* [Qemu-devel] [PATCH v2 01/12] hw/omap1.c : separate gpio module
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
@ 2010-05-31 15:54 ` cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 02/12] hw/omap2.c " cmchao
` (11 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: cmchao @ 2010-05-31 15:54 UTC (permalink / raw)
To: qemu-devel
Signed-off-by: cmchao <cmchao@gmail.com>
---
Makefile.target | 2 +-
hw/omap.h | 1 +
hw/omap1.c | 181 -------------------------------------------------
hw/omap_gpio.c | 202 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 204 insertions(+), 182 deletions(-)
create mode 100644 hw/omap_gpio.c
diff --git a/Makefile.target b/Makefile.target
index d06c679..5628557 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -264,7 +264,7 @@ obj-arm-y += pxa2xx.o pxa2xx_pic.o pxa2xx_gpio.o pxa2xx_timer.o pxa2xx_dma.o
obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
obj-arm-y += gumstix.o
obj-arm-y += zaurus.o ide/microdrive.o spitz.o tosa.o tc6393xb.o
-obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o
+obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o omap_gpio.o
obj-arm-y += omap2.o omap_dss.o soc_dma.o
obj-arm-y += omap_sx1.o palm.o tsc210x.o
obj-arm-y += nseries.o blizzard.o onenand.o vga.o cbus.o tusb6010.o usb-musb.o
diff --git a/hw/omap.h b/hw/omap.h
index d305779..ebd166f 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -671,6 +671,7 @@ void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down);
struct omap_gpio_s;
struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base,
qemu_irq irq, omap_clk clk);
+void omap_gpio_reset(struct omap_gpio_s *s);
qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s);
void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler);
diff --git a/hw/omap1.c b/hw/omap1.c
index 8649dbd..8b78c05 100644
--- a/hw/omap1.c
+++ b/hw/omap1.c
@@ -2804,187 +2804,6 @@ void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down)
omap_mpuio_kbd_update(s);
}
-/* General-Purpose I/O */
-struct omap_gpio_s {
- qemu_irq irq;
- qemu_irq *in;
- qemu_irq handler[16];
-
- uint16_t inputs;
- uint16_t outputs;
- uint16_t dir;
- uint16_t edge;
- uint16_t mask;
- uint16_t ints;
- uint16_t pins;
-};
-
-static void omap_gpio_set(void *opaque, int line, int level)
-{
- struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
- uint16_t prev = s->inputs;
-
- if (level)
- s->inputs |= 1 << line;
- else
- s->inputs &= ~(1 << line);
-
- if (((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) &
- (1 << line) & s->dir & ~s->mask) {
- s->ints |= 1 << line;
- qemu_irq_raise(s->irq);
- }
-}
-
-static uint32_t omap_gpio_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* DATA_INPUT */
- return s->inputs & s->pins;
-
- case 0x04: /* DATA_OUTPUT */
- return s->outputs;
-
- case 0x08: /* DIRECTION_CONTROL */
- return s->dir;
-
- case 0x0c: /* INTERRUPT_CONTROL */
- return s->edge;
-
- case 0x10: /* INTERRUPT_MASK */
- return s->mask;
-
- case 0x14: /* INTERRUPT_STATUS */
- return s->ints;
-
- case 0x18: /* PIN_CONTROL (not in OMAP310) */
- OMAP_BAD_REG(addr);
- return s->pins;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_gpio_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
- uint16_t diff;
- int ln;
-
- switch (offset) {
- case 0x00: /* DATA_INPUT */
- OMAP_RO_REG(addr);
- return;
-
- case 0x04: /* DATA_OUTPUT */
- diff = (s->outputs ^ value) & ~s->dir;
- s->outputs = value;
- while ((ln = ffs(diff))) {
- ln --;
- if (s->handler[ln])
- qemu_set_irq(s->handler[ln], (value >> ln) & 1);
- diff &= ~(1 << ln);
- }
- break;
-
- case 0x08: /* DIRECTION_CONTROL */
- diff = s->outputs & (s->dir ^ value);
- s->dir = value;
-
- value = s->outputs & ~s->dir;
- while ((ln = ffs(diff))) {
- ln --;
- if (s->handler[ln])
- qemu_set_irq(s->handler[ln], (value >> ln) & 1);
- diff &= ~(1 << ln);
- }
- break;
-
- case 0x0c: /* INTERRUPT_CONTROL */
- s->edge = value;
- break;
-
- case 0x10: /* INTERRUPT_MASK */
- s->mask = value;
- break;
-
- case 0x14: /* INTERRUPT_STATUS */
- s->ints &= ~value;
- if (!s->ints)
- qemu_irq_lower(s->irq);
- break;
-
- case 0x18: /* PIN_CONTROL (not in OMAP310 TRM) */
- OMAP_BAD_REG(addr);
- s->pins = value;
- break;
-
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-/* *Some* sources say the memory region is 32-bit. */
-static CPUReadMemoryFunc * const omap_gpio_readfn[] = {
- omap_badwidth_read16,
- omap_gpio_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc * const omap_gpio_writefn[] = {
- omap_badwidth_write16,
- omap_gpio_write,
- omap_badwidth_write16,
-};
-
-static void omap_gpio_reset(struct omap_gpio_s *s)
-{
- s->inputs = 0;
- s->outputs = ~0;
- s->dir = ~0;
- s->edge = ~0;
- s->mask = ~0;
- s->ints = 0;
- s->pins = ~0;
-}
-
-struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base,
- qemu_irq irq, omap_clk clk)
-{
- int iomemtype;
- struct omap_gpio_s *s = (struct omap_gpio_s *)
- qemu_mallocz(sizeof(struct omap_gpio_s));
-
- s->irq = irq;
- s->in = qemu_allocate_irqs(omap_gpio_set, s, 16);
- omap_gpio_reset(s);
-
- iomemtype = cpu_register_io_memory(omap_gpio_readfn,
- omap_gpio_writefn, s);
- cpu_register_physical_memory(base, 0x1000, iomemtype);
-
- return s;
-}
-
-qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s)
-{
- return s->in;
-}
-
-void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler)
-{
- if (line >= 16 || line < 0)
- hw_error("%s: No GPIO line %i\n", __FUNCTION__, line);
- s->handler[line] = handler;
-}
-
/* MicroWire Interface */
struct omap_uwire_s {
qemu_irq txirq;
diff --git a/hw/omap_gpio.c b/hw/omap_gpio.c
new file mode 100644
index 0000000..a162c1d
--- /dev/null
+++ b/hw/omap_gpio.c
@@ -0,0 +1,202 @@
+/*
+ * TI OMAP processors GPIO emulation.
+ *
+ * Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org>
+ * Copyright (C) 2007-2009 Nokia Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "hw.h"
+#include "omap.h"
+/* General-Purpose I/O */
+struct omap_gpio_s {
+ qemu_irq irq;
+ qemu_irq *in;
+ qemu_irq handler[16];
+
+ uint16_t inputs;
+ uint16_t outputs;
+ uint16_t dir;
+ uint16_t edge;
+ uint16_t mask;
+ uint16_t ints;
+ uint16_t pins;
+};
+
+static void omap_gpio_set(void *opaque, int line, int level)
+{
+ struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
+ uint16_t prev = s->inputs;
+
+ if (level)
+ s->inputs |= 1 << line;
+ else
+ s->inputs &= ~(1 << line);
+
+ if (((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) &
+ (1 << line) & s->dir & ~s->mask) {
+ s->ints |= 1 << line;
+ qemu_irq_raise(s->irq);
+ }
+}
+
+static uint32_t omap_gpio_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* DATA_INPUT */
+ return s->inputs & s->pins;
+
+ case 0x04: /* DATA_OUTPUT */
+ return s->outputs;
+
+ case 0x08: /* DIRECTION_CONTROL */
+ return s->dir;
+
+ case 0x0c: /* INTERRUPT_CONTROL */
+ return s->edge;
+
+ case 0x10: /* INTERRUPT_MASK */
+ return s->mask;
+
+ case 0x14: /* INTERRUPT_STATUS */
+ return s->ints;
+
+ case 0x18: /* PIN_CONTROL (not in OMAP310) */
+ OMAP_BAD_REG(addr);
+ return s->pins;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_gpio_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ uint16_t diff;
+ int ln;
+
+ switch (offset) {
+ case 0x00: /* DATA_INPUT */
+ OMAP_RO_REG(addr);
+ return;
+
+ case 0x04: /* DATA_OUTPUT */
+ diff = (s->outputs ^ value) & ~s->dir;
+ s->outputs = value;
+ while ((ln = ffs(diff))) {
+ ln --;
+ if (s->handler[ln])
+ qemu_set_irq(s->handler[ln], (value >> ln) & 1);
+ diff &= ~(1 << ln);
+ }
+ break;
+
+ case 0x08: /* DIRECTION_CONTROL */
+ diff = s->outputs & (s->dir ^ value);
+ s->dir = value;
+
+ value = s->outputs & ~s->dir;
+ while ((ln = ffs(diff))) {
+ ln --;
+ if (s->handler[ln])
+ qemu_set_irq(s->handler[ln], (value >> ln) & 1);
+ diff &= ~(1 << ln);
+ }
+ break;
+
+ case 0x0c: /* INTERRUPT_CONTROL */
+ s->edge = value;
+ break;
+
+ case 0x10: /* INTERRUPT_MASK */
+ s->mask = value;
+ break;
+
+ case 0x14: /* INTERRUPT_STATUS */
+ s->ints &= ~value;
+ if (!s->ints)
+ qemu_irq_lower(s->irq);
+ break;
+
+ case 0x18: /* PIN_CONTROL (not in OMAP310 TRM) */
+ OMAP_BAD_REG(addr);
+ s->pins = value;
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+/* *Some* sources say the memory region is 32-bit. */
+static CPUReadMemoryFunc * const omap_gpio_readfn[] = {
+ omap_badwidth_read16,
+ omap_gpio_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc * const omap_gpio_writefn[] = {
+ omap_badwidth_write16,
+ omap_gpio_write,
+ omap_badwidth_write16,
+};
+
+void omap_gpio_reset(struct omap_gpio_s *s)
+{
+ s->inputs = 0;
+ s->outputs = ~0;
+ s->dir = ~0;
+ s->edge = ~0;
+ s->mask = ~0;
+ s->ints = 0;
+ s->pins = ~0;
+}
+
+struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base,
+ qemu_irq irq, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_gpio_s *s = (struct omap_gpio_s *)
+ qemu_mallocz(sizeof(struct omap_gpio_s));
+
+ s->irq = irq;
+ s->in = qemu_allocate_irqs(omap_gpio_set, s, 16);
+ omap_gpio_reset(s);
+
+ iomemtype = cpu_register_io_memory(omap_gpio_readfn,
+ omap_gpio_writefn, s);
+ cpu_register_physical_memory(base, 0x1000, iomemtype);
+
+ return s;
+}
+
+qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s)
+{
+ return s->in;
+}
+
+void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler)
+{
+ if (line >= 16 || line < 0)
+ hw_error("%s: No GPIO line %i\n", __FUNCTION__, line);
+ s->handler[line] = handler;
+}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 14+ messages in thread* [Qemu-devel] [PATCH v2 02/12] hw/omap2.c : separate gpio module
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 01/12] hw/omap1.c : separate gpio module cmchao
@ 2010-05-31 15:54 ` cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 03/12] hw/omap2.c : separate gptimer module cmchao
` (10 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: cmchao @ 2010-05-31 15:54 UTC (permalink / raw)
To: qemu-devel
Signed-off-by: cmchao <cmchao@gmail.com>
---
hw/omap.h | 3 +
hw/omap2.c | 523 --------------------------------------------------------
hw/omap_gpio.c | 523 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 526 insertions(+), 523 deletions(-)
diff --git a/hw/omap.h b/hw/omap.h
index ebd166f..a37ee54 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -668,6 +668,7 @@ qemu_irq *omap_mpuio_in_get(struct omap_mpuio_s *s);
void omap_mpuio_out_set(struct omap_mpuio_s *s, int line, qemu_irq handler);
void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down);
+/* omap1 gpio module interface */
struct omap_gpio_s;
struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base,
qemu_irq irq, omap_clk clk);
@@ -675,9 +676,11 @@ void omap_gpio_reset(struct omap_gpio_s *s);
qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s);
void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler);
+/* omap2 gpio interface */
struct omap_gpif_s;
struct omap_gpif_s *omap2_gpio_init(struct omap_target_agent_s *ta,
qemu_irq *irq, omap_clk *fclk, omap_clk iclk, int modules);
+void omap_gpif_reset(struct omap_gpif_s *s);
qemu_irq *omap2_gpio_in_get(struct omap_gpif_s *s, int start);
void omap2_gpio_out_set(struct omap_gpif_s *s, int line, qemu_irq handler);
diff --git a/hw/omap2.c b/hw/omap2.c
index bd1b35e..bf5539d 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -557,529 +557,6 @@ void omap_synctimer_init(struct omap_target_agent_s *ta,
omap_synctimer_readfn, omap_synctimer_writefn, s));
}
-/* General-Purpose Interface of OMAP2 */
-struct omap2_gpio_s {
- qemu_irq irq[2];
- qemu_irq wkup;
- qemu_irq *in;
- qemu_irq handler[32];
-
- uint8_t config[2];
- uint32_t inputs;
- uint32_t outputs;
- uint32_t dir;
- uint32_t level[2];
- uint32_t edge[2];
- uint32_t mask[2];
- uint32_t wumask;
- uint32_t ints[2];
- uint32_t debounce;
- uint8_t delay;
-};
-
-static inline void omap_gpio_module_int_update(struct omap2_gpio_s *s,
- int line)
-{
- qemu_set_irq(s->irq[line], s->ints[line] & s->mask[line]);
-}
-
-static void omap_gpio_module_wake(struct omap2_gpio_s *s, int line)
-{
- if (!(s->config[0] & (1 << 2))) /* ENAWAKEUP */
- return;
- if (!(s->config[0] & (3 << 3))) /* Force Idle */
- return;
- if (!(s->wumask & (1 << line)))
- return;
-
- qemu_irq_raise(s->wkup);
-}
-
-static inline void omap_gpio_module_out_update(struct omap2_gpio_s *s,
- uint32_t diff)
-{
- int ln;
-
- s->outputs ^= diff;
- diff &= ~s->dir;
- while ((ln = ffs(diff))) {
- ln --;
- qemu_set_irq(s->handler[ln], (s->outputs >> ln) & 1);
- diff &= ~(1 << ln);
- }
-}
-
-static void omap_gpio_module_level_update(struct omap2_gpio_s *s, int line)
-{
- s->ints[line] |= s->dir &
- ((s->inputs & s->level[1]) | (~s->inputs & s->level[0]));
- omap_gpio_module_int_update(s, line);
-}
-
-static inline void omap_gpio_module_int(struct omap2_gpio_s *s, int line)
-{
- s->ints[0] |= 1 << line;
- omap_gpio_module_int_update(s, 0);
- s->ints[1] |= 1 << line;
- omap_gpio_module_int_update(s, 1);
- omap_gpio_module_wake(s, line);
-}
-
-static void omap_gpio_module_set(void *opaque, int line, int level)
-{
- struct omap2_gpio_s *s = (struct omap2_gpio_s *) opaque;
-
- if (level) {
- if (s->dir & (1 << line) & ((~s->inputs & s->edge[0]) | s->level[1]))
- omap_gpio_module_int(s, line);
- s->inputs |= 1 << line;
- } else {
- if (s->dir & (1 << line) & ((s->inputs & s->edge[1]) | s->level[0]))
- omap_gpio_module_int(s, line);
- s->inputs &= ~(1 << line);
- }
-}
-
-static void omap_gpio_module_reset(struct omap2_gpio_s *s)
-{
- s->config[0] = 0;
- s->config[1] = 2;
- s->ints[0] = 0;
- s->ints[1] = 0;
- s->mask[0] = 0;
- s->mask[1] = 0;
- s->wumask = 0;
- s->dir = ~0;
- s->level[0] = 0;
- s->level[1] = 0;
- s->edge[0] = 0;
- s->edge[1] = 0;
- s->debounce = 0;
- s->delay = 0;
-}
-
-static uint32_t omap_gpio_module_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap2_gpio_s *s = (struct omap2_gpio_s *) opaque;
-
- switch (addr) {
- case 0x00: /* GPIO_REVISION */
- return 0x18;
-
- case 0x10: /* GPIO_SYSCONFIG */
- return s->config[0];
-
- case 0x14: /* GPIO_SYSSTATUS */
- return 0x01;
-
- case 0x18: /* GPIO_IRQSTATUS1 */
- return s->ints[0];
-
- case 0x1c: /* GPIO_IRQENABLE1 */
- case 0x60: /* GPIO_CLEARIRQENABLE1 */
- case 0x64: /* GPIO_SETIRQENABLE1 */
- return s->mask[0];
-
- case 0x20: /* GPIO_WAKEUPENABLE */
- case 0x80: /* GPIO_CLEARWKUENA */
- case 0x84: /* GPIO_SETWKUENA */
- return s->wumask;
-
- case 0x28: /* GPIO_IRQSTATUS2 */
- return s->ints[1];
-
- case 0x2c: /* GPIO_IRQENABLE2 */
- case 0x70: /* GPIO_CLEARIRQENABLE2 */
- case 0x74: /* GPIO_SETIREQNEABLE2 */
- return s->mask[1];
-
- case 0x30: /* GPIO_CTRL */
- return s->config[1];
-
- case 0x34: /* GPIO_OE */
- return s->dir;
-
- case 0x38: /* GPIO_DATAIN */
- return s->inputs;
-
- case 0x3c: /* GPIO_DATAOUT */
- case 0x90: /* GPIO_CLEARDATAOUT */
- case 0x94: /* GPIO_SETDATAOUT */
- return s->outputs;
-
- case 0x40: /* GPIO_LEVELDETECT0 */
- return s->level[0];
-
- case 0x44: /* GPIO_LEVELDETECT1 */
- return s->level[1];
-
- case 0x48: /* GPIO_RISINGDETECT */
- return s->edge[0];
-
- case 0x4c: /* GPIO_FALLINGDETECT */
- return s->edge[1];
-
- case 0x50: /* GPIO_DEBOUNCENABLE */
- return s->debounce;
-
- case 0x54: /* GPIO_DEBOUNCINGTIME */
- return s->delay;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_gpio_module_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap2_gpio_s *s = (struct omap2_gpio_s *) opaque;
- uint32_t diff;
- int ln;
-
- switch (addr) {
- case 0x00: /* GPIO_REVISION */
- case 0x14: /* GPIO_SYSSTATUS */
- case 0x38: /* GPIO_DATAIN */
- OMAP_RO_REG(addr);
- break;
-
- case 0x10: /* GPIO_SYSCONFIG */
- if (((value >> 3) & 3) == 3)
- fprintf(stderr, "%s: bad IDLEMODE value\n", __FUNCTION__);
- if (value & 2)
- omap_gpio_module_reset(s);
- s->config[0] = value & 0x1d;
- break;
-
- case 0x18: /* GPIO_IRQSTATUS1 */
- if (s->ints[0] & value) {
- s->ints[0] &= ~value;
- omap_gpio_module_level_update(s, 0);
- }
- break;
-
- case 0x1c: /* GPIO_IRQENABLE1 */
- s->mask[0] = value;
- omap_gpio_module_int_update(s, 0);
- break;
-
- case 0x20: /* GPIO_WAKEUPENABLE */
- s->wumask = value;
- break;
-
- case 0x28: /* GPIO_IRQSTATUS2 */
- if (s->ints[1] & value) {
- s->ints[1] &= ~value;
- omap_gpio_module_level_update(s, 1);
- }
- break;
-
- case 0x2c: /* GPIO_IRQENABLE2 */
- s->mask[1] = value;
- omap_gpio_module_int_update(s, 1);
- break;
-
- case 0x30: /* GPIO_CTRL */
- s->config[1] = value & 7;
- break;
-
- case 0x34: /* GPIO_OE */
- diff = s->outputs & (s->dir ^ value);
- s->dir = value;
-
- value = s->outputs & ~s->dir;
- while ((ln = ffs(diff))) {
- diff &= ~(1 <<-- ln);
- qemu_set_irq(s->handler[ln], (value >> ln) & 1);
- }
-
- omap_gpio_module_level_update(s, 0);
- omap_gpio_module_level_update(s, 1);
- break;
-
- case 0x3c: /* GPIO_DATAOUT */
- omap_gpio_module_out_update(s, s->outputs ^ value);
- break;
-
- case 0x40: /* GPIO_LEVELDETECT0 */
- s->level[0] = value;
- omap_gpio_module_level_update(s, 0);
- omap_gpio_module_level_update(s, 1);
- break;
-
- case 0x44: /* GPIO_LEVELDETECT1 */
- s->level[1] = value;
- omap_gpio_module_level_update(s, 0);
- omap_gpio_module_level_update(s, 1);
- break;
-
- case 0x48: /* GPIO_RISINGDETECT */
- s->edge[0] = value;
- break;
-
- case 0x4c: /* GPIO_FALLINGDETECT */
- s->edge[1] = value;
- break;
-
- case 0x50: /* GPIO_DEBOUNCENABLE */
- s->debounce = value;
- break;
-
- case 0x54: /* GPIO_DEBOUNCINGTIME */
- s->delay = value;
- break;
-
- case 0x60: /* GPIO_CLEARIRQENABLE1 */
- s->mask[0] &= ~value;
- omap_gpio_module_int_update(s, 0);
- break;
-
- case 0x64: /* GPIO_SETIRQENABLE1 */
- s->mask[0] |= value;
- omap_gpio_module_int_update(s, 0);
- break;
-
- case 0x70: /* GPIO_CLEARIRQENABLE2 */
- s->mask[1] &= ~value;
- omap_gpio_module_int_update(s, 1);
- break;
-
- case 0x74: /* GPIO_SETIREQNEABLE2 */
- s->mask[1] |= value;
- omap_gpio_module_int_update(s, 1);
- break;
-
- case 0x80: /* GPIO_CLEARWKUENA */
- s->wumask &= ~value;
- break;
-
- case 0x84: /* GPIO_SETWKUENA */
- s->wumask |= value;
- break;
-
- case 0x90: /* GPIO_CLEARDATAOUT */
- omap_gpio_module_out_update(s, s->outputs & value);
- break;
-
- case 0x94: /* GPIO_SETDATAOUT */
- omap_gpio_module_out_update(s, ~s->outputs & value);
- break;
-
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-static uint32_t omap_gpio_module_readp(void *opaque, target_phys_addr_t addr)
-{
- return omap_gpio_module_readp(opaque, addr) >> ((addr & 3) << 3);
-}
-
-static void omap_gpio_module_writep(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- uint32_t cur = 0;
- uint32_t mask = 0xffff;
-
- switch (addr & ~3) {
- case 0x00: /* GPIO_REVISION */
- case 0x14: /* GPIO_SYSSTATUS */
- case 0x38: /* GPIO_DATAIN */
- OMAP_RO_REG(addr);
- break;
-
- case 0x10: /* GPIO_SYSCONFIG */
- case 0x1c: /* GPIO_IRQENABLE1 */
- case 0x20: /* GPIO_WAKEUPENABLE */
- case 0x2c: /* GPIO_IRQENABLE2 */
- case 0x30: /* GPIO_CTRL */
- case 0x34: /* GPIO_OE */
- case 0x3c: /* GPIO_DATAOUT */
- case 0x40: /* GPIO_LEVELDETECT0 */
- case 0x44: /* GPIO_LEVELDETECT1 */
- case 0x48: /* GPIO_RISINGDETECT */
- case 0x4c: /* GPIO_FALLINGDETECT */
- case 0x50: /* GPIO_DEBOUNCENABLE */
- case 0x54: /* GPIO_DEBOUNCINGTIME */
- cur = omap_gpio_module_read(opaque, addr & ~3) &
- ~(mask << ((addr & 3) << 3));
-
- /* Fall through. */
- case 0x18: /* GPIO_IRQSTATUS1 */
- case 0x28: /* GPIO_IRQSTATUS2 */
- case 0x60: /* GPIO_CLEARIRQENABLE1 */
- case 0x64: /* GPIO_SETIRQENABLE1 */
- case 0x70: /* GPIO_CLEARIRQENABLE2 */
- case 0x74: /* GPIO_SETIREQNEABLE2 */
- case 0x80: /* GPIO_CLEARWKUENA */
- case 0x84: /* GPIO_SETWKUENA */
- case 0x90: /* GPIO_CLEARDATAOUT */
- case 0x94: /* GPIO_SETDATAOUT */
- value <<= (addr & 3) << 3;
- omap_gpio_module_write(opaque, addr, cur | value);
- break;
-
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-static CPUReadMemoryFunc * const omap_gpio_module_readfn[] = {
- omap_gpio_module_readp,
- omap_gpio_module_readp,
- omap_gpio_module_read,
-};
-
-static CPUWriteMemoryFunc * const omap_gpio_module_writefn[] = {
- omap_gpio_module_writep,
- omap_gpio_module_writep,
- omap_gpio_module_write,
-};
-
-static void omap_gpio_module_init(struct omap2_gpio_s *s,
- struct omap_target_agent_s *ta, int region,
- qemu_irq mpu, qemu_irq dsp, qemu_irq wkup,
- omap_clk fclk, omap_clk iclk)
-{
- int iomemtype;
-
- s->irq[0] = mpu;
- s->irq[1] = dsp;
- s->wkup = wkup;
- s->in = qemu_allocate_irqs(omap_gpio_module_set, s, 32);
-
- iomemtype = l4_register_io_memory(omap_gpio_module_readfn,
- omap_gpio_module_writefn, s);
- omap_l4_attach(ta, region, iomemtype);
-}
-
-struct omap_gpif_s {
- struct omap2_gpio_s module[5];
- int modules;
-
- int autoidle;
- int gpo;
-};
-
-static void omap_gpif_reset(struct omap_gpif_s *s)
-{
- int i;
-
- for (i = 0; i < s->modules; i ++)
- omap_gpio_module_reset(s->module + i);
-
- s->autoidle = 0;
- s->gpo = 0;
-}
-
-static uint32_t omap_gpif_top_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_gpif_s *s = (struct omap_gpif_s *) opaque;
-
- switch (addr) {
- case 0x00: /* IPGENERICOCPSPL_REVISION */
- return 0x18;
-
- case 0x10: /* IPGENERICOCPSPL_SYSCONFIG */
- return s->autoidle;
-
- case 0x14: /* IPGENERICOCPSPL_SYSSTATUS */
- return 0x01;
-
- case 0x18: /* IPGENERICOCPSPL_IRQSTATUS */
- return 0x00;
-
- case 0x40: /* IPGENERICOCPSPL_GPO */
- return s->gpo;
-
- case 0x50: /* IPGENERICOCPSPL_GPI */
- return 0x00;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_gpif_top_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_gpif_s *s = (struct omap_gpif_s *) opaque;
-
- switch (addr) {
- case 0x00: /* IPGENERICOCPSPL_REVISION */
- case 0x14: /* IPGENERICOCPSPL_SYSSTATUS */
- case 0x18: /* IPGENERICOCPSPL_IRQSTATUS */
- case 0x50: /* IPGENERICOCPSPL_GPI */
- OMAP_RO_REG(addr);
- break;
-
- case 0x10: /* IPGENERICOCPSPL_SYSCONFIG */
- if (value & (1 << 1)) /* SOFTRESET */
- omap_gpif_reset(s);
- s->autoidle = value & 1;
- break;
-
- case 0x40: /* IPGENERICOCPSPL_GPO */
- s->gpo = value & 1;
- break;
-
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-static CPUReadMemoryFunc * const omap_gpif_top_readfn[] = {
- omap_gpif_top_read,
- omap_gpif_top_read,
- omap_gpif_top_read,
-};
-
-static CPUWriteMemoryFunc * const omap_gpif_top_writefn[] = {
- omap_gpif_top_write,
- omap_gpif_top_write,
- omap_gpif_top_write,
-};
-
-struct omap_gpif_s *omap2_gpio_init(struct omap_target_agent_s *ta,
- qemu_irq *irq, omap_clk *fclk, omap_clk iclk, int modules)
-{
- int iomemtype, i;
- struct omap_gpif_s *s = (struct omap_gpif_s *)
- qemu_mallocz(sizeof(struct omap_gpif_s));
- int region[4] = { 0, 2, 4, 5 };
-
- s->modules = modules;
- for (i = 0; i < modules; i ++)
- omap_gpio_module_init(s->module + i, ta, region[i],
- irq[i], NULL, NULL, fclk[i], iclk);
-
- omap_gpif_reset(s);
-
- iomemtype = l4_register_io_memory(omap_gpif_top_readfn,
- omap_gpif_top_writefn, s);
- omap_l4_attach(ta, 1, iomemtype);
-
- return s;
-}
-
-qemu_irq *omap2_gpio_in_get(struct omap_gpif_s *s, int start)
-{
- if (start >= s->modules * 32 || start < 0)
- hw_error("%s: No GPIO line %i\n", __FUNCTION__, start);
- return s->module[start >> 5].in + (start & 31);
-}
-
-void omap2_gpio_out_set(struct omap_gpif_s *s, int line, qemu_irq handler)
-{
- if (line >= s->modules * 32 || line < 0)
- hw_error("%s: No GPIO line %i\n", __FUNCTION__, line);
- s->module[line >> 5].handler[line & 31] = handler;
-}
-
/* Multichannel SPI */
struct omap_mcspi_s {
qemu_irq irq;
diff --git a/hw/omap_gpio.c b/hw/omap_gpio.c
index a162c1d..d978c7a 100644
--- a/hw/omap_gpio.c
+++ b/hw/omap_gpio.c
@@ -200,3 +200,526 @@ void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler)
hw_error("%s: No GPIO line %i\n", __FUNCTION__, line);
s->handler[line] = handler;
}
+
+/* General-Purpose Interface of OMAP2 */
+struct omap2_gpio_s {
+ qemu_irq irq[2];
+ qemu_irq wkup;
+ qemu_irq *in;
+ qemu_irq handler[32];
+
+ uint8_t config[2];
+ uint32_t inputs;
+ uint32_t outputs;
+ uint32_t dir;
+ uint32_t level[2];
+ uint32_t edge[2];
+ uint32_t mask[2];
+ uint32_t wumask;
+ uint32_t ints[2];
+ uint32_t debounce;
+ uint8_t delay;
+};
+
+static inline void omap2_gpio_module_int_update(struct omap2_gpio_s *s,
+ int line)
+{
+ qemu_set_irq(s->irq[line], s->ints[line] & s->mask[line]);
+}
+
+static void omap2_gpio_module_wake(struct omap2_gpio_s *s, int line)
+{
+ if (!(s->config[0] & (1 << 2))) /* ENAWAKEUP */
+ return;
+ if (!(s->config[0] & (3 << 3))) /* Force Idle */
+ return;
+ if (!(s->wumask & (1 << line)))
+ return;
+
+ qemu_irq_raise(s->wkup);
+}
+
+static inline void omap2_gpio_module_out_update(struct omap2_gpio_s *s,
+ uint32_t diff)
+{
+ int ln;
+
+ s->outputs ^= diff;
+ diff &= ~s->dir;
+ while ((ln = ffs(diff))) {
+ ln --;
+ qemu_set_irq(s->handler[ln], (s->outputs >> ln) & 1);
+ diff &= ~(1 << ln);
+ }
+}
+
+static void omap2_gpio_module_level_update(struct omap2_gpio_s *s, int line)
+{
+ s->ints[line] |= s->dir &
+ ((s->inputs & s->level[1]) | (~s->inputs & s->level[0]));
+ omap2_gpio_module_int_update(s, line);
+}
+
+static inline void omap2_gpio_module_int(struct omap2_gpio_s *s, int line)
+{
+ s->ints[0] |= 1 << line;
+ omap2_gpio_module_int_update(s, 0);
+ s->ints[1] |= 1 << line;
+ omap2_gpio_module_int_update(s, 1);
+ omap2_gpio_module_wake(s, line);
+}
+
+static void omap2_gpio_module_set(void *opaque, int line, int level)
+{
+ struct omap2_gpio_s *s = (struct omap2_gpio_s *) opaque;
+
+ if (level) {
+ if (s->dir & (1 << line) & ((~s->inputs & s->edge[0]) | s->level[1]))
+ omap2_gpio_module_int(s, line);
+ s->inputs |= 1 << line;
+ } else {
+ if (s->dir & (1 << line) & ((s->inputs & s->edge[1]) | s->level[0]))
+ omap2_gpio_module_int(s, line);
+ s->inputs &= ~(1 << line);
+ }
+}
+
+static void omap2_gpio_module_reset(struct omap2_gpio_s *s)
+{
+ s->config[0] = 0;
+ s->config[1] = 2;
+ s->ints[0] = 0;
+ s->ints[1] = 0;
+ s->mask[0] = 0;
+ s->mask[1] = 0;
+ s->wumask = 0;
+ s->dir = ~0;
+ s->level[0] = 0;
+ s->level[1] = 0;
+ s->edge[0] = 0;
+ s->edge[1] = 0;
+ s->debounce = 0;
+ s->delay = 0;
+}
+
+static uint32_t omap2_gpio_module_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap2_gpio_s *s = (struct omap2_gpio_s *) opaque;
+
+ switch (addr) {
+ case 0x00: /* GPIO_REVISION */
+ return 0x18;
+
+ case 0x10: /* GPIO_SYSCONFIG */
+ return s->config[0];
+
+ case 0x14: /* GPIO_SYSSTATUS */
+ return 0x01;
+
+ case 0x18: /* GPIO_IRQSTATUS1 */
+ return s->ints[0];
+
+ case 0x1c: /* GPIO_IRQENABLE1 */
+ case 0x60: /* GPIO_CLEARIRQENABLE1 */
+ case 0x64: /* GPIO_SETIRQENABLE1 */
+ return s->mask[0];
+
+ case 0x20: /* GPIO_WAKEUPENABLE */
+ case 0x80: /* GPIO_CLEARWKUENA */
+ case 0x84: /* GPIO_SETWKUENA */
+ return s->wumask;
+
+ case 0x28: /* GPIO_IRQSTATUS2 */
+ return s->ints[1];
+
+ case 0x2c: /* GPIO_IRQENABLE2 */
+ case 0x70: /* GPIO_CLEARIRQENABLE2 */
+ case 0x74: /* GPIO_SETIREQNEABLE2 */
+ return s->mask[1];
+
+ case 0x30: /* GPIO_CTRL */
+ return s->config[1];
+
+ case 0x34: /* GPIO_OE */
+ return s->dir;
+
+ case 0x38: /* GPIO_DATAIN */
+ return s->inputs;
+
+ case 0x3c: /* GPIO_DATAOUT */
+ case 0x90: /* GPIO_CLEARDATAOUT */
+ case 0x94: /* GPIO_SETDATAOUT */
+ return s->outputs;
+
+ case 0x40: /* GPIO_LEVELDETECT0 */
+ return s->level[0];
+
+ case 0x44: /* GPIO_LEVELDETECT1 */
+ return s->level[1];
+
+ case 0x48: /* GPIO_RISINGDETECT */
+ return s->edge[0];
+
+ case 0x4c: /* GPIO_FALLINGDETECT */
+ return s->edge[1];
+
+ case 0x50: /* GPIO_DEBOUNCENABLE */
+ return s->debounce;
+
+ case 0x54: /* GPIO_DEBOUNCINGTIME */
+ return s->delay;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap2_gpio_module_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap2_gpio_s *s = (struct omap2_gpio_s *) opaque;
+ uint32_t diff;
+ int ln;
+
+ switch (addr) {
+ case 0x00: /* GPIO_REVISION */
+ case 0x14: /* GPIO_SYSSTATUS */
+ case 0x38: /* GPIO_DATAIN */
+ OMAP_RO_REG(addr);
+ break;
+
+ case 0x10: /* GPIO_SYSCONFIG */
+ if (((value >> 3) & 3) == 3)
+ fprintf(stderr, "%s: bad IDLEMODE value\n", __FUNCTION__);
+ if (value & 2)
+ omap2_gpio_module_reset(s);
+ s->config[0] = value & 0x1d;
+ break;
+
+ case 0x18: /* GPIO_IRQSTATUS1 */
+ if (s->ints[0] & value) {
+ s->ints[0] &= ~value;
+ omap2_gpio_module_level_update(s, 0);
+ }
+ break;
+
+ case 0x1c: /* GPIO_IRQENABLE1 */
+ s->mask[0] = value;
+ omap2_gpio_module_int_update(s, 0);
+ break;
+
+ case 0x20: /* GPIO_WAKEUPENABLE */
+ s->wumask = value;
+ break;
+
+ case 0x28: /* GPIO_IRQSTATUS2 */
+ if (s->ints[1] & value) {
+ s->ints[1] &= ~value;
+ omap2_gpio_module_level_update(s, 1);
+ }
+ break;
+
+ case 0x2c: /* GPIO_IRQENABLE2 */
+ s->mask[1] = value;
+ omap2_gpio_module_int_update(s, 1);
+ break;
+
+ case 0x30: /* GPIO_CTRL */
+ s->config[1] = value & 7;
+ break;
+
+ case 0x34: /* GPIO_OE */
+ diff = s->outputs & (s->dir ^ value);
+ s->dir = value;
+
+ value = s->outputs & ~s->dir;
+ while ((ln = ffs(diff))) {
+ diff &= ~(1 <<-- ln);
+ qemu_set_irq(s->handler[ln], (value >> ln) & 1);
+ }
+
+ omap2_gpio_module_level_update(s, 0);
+ omap2_gpio_module_level_update(s, 1);
+ break;
+
+ case 0x3c: /* GPIO_DATAOUT */
+ omap2_gpio_module_out_update(s, s->outputs ^ value);
+ break;
+
+ case 0x40: /* GPIO_LEVELDETECT0 */
+ s->level[0] = value;
+ omap2_gpio_module_level_update(s, 0);
+ omap2_gpio_module_level_update(s, 1);
+ break;
+
+ case 0x44: /* GPIO_LEVELDETECT1 */
+ s->level[1] = value;
+ omap2_gpio_module_level_update(s, 0);
+ omap2_gpio_module_level_update(s, 1);
+ break;
+
+ case 0x48: /* GPIO_RISINGDETECT */
+ s->edge[0] = value;
+ break;
+
+ case 0x4c: /* GPIO_FALLINGDETECT */
+ s->edge[1] = value;
+ break;
+
+ case 0x50: /* GPIO_DEBOUNCENABLE */
+ s->debounce = value;
+ break;
+
+ case 0x54: /* GPIO_DEBOUNCINGTIME */
+ s->delay = value;
+ break;
+
+ case 0x60: /* GPIO_CLEARIRQENABLE1 */
+ s->mask[0] &= ~value;
+ omap2_gpio_module_int_update(s, 0);
+ break;
+
+ case 0x64: /* GPIO_SETIRQENABLE1 */
+ s->mask[0] |= value;
+ omap2_gpio_module_int_update(s, 0);
+ break;
+
+ case 0x70: /* GPIO_CLEARIRQENABLE2 */
+ s->mask[1] &= ~value;
+ omap2_gpio_module_int_update(s, 1);
+ break;
+
+ case 0x74: /* GPIO_SETIREQNEABLE2 */
+ s->mask[1] |= value;
+ omap2_gpio_module_int_update(s, 1);
+ break;
+
+ case 0x80: /* GPIO_CLEARWKUENA */
+ s->wumask &= ~value;
+ break;
+
+ case 0x84: /* GPIO_SETWKUENA */
+ s->wumask |= value;
+ break;
+
+ case 0x90: /* GPIO_CLEARDATAOUT */
+ omap2_gpio_module_out_update(s, s->outputs & value);
+ break;
+
+ case 0x94: /* GPIO_SETDATAOUT */
+ omap2_gpio_module_out_update(s, ~s->outputs & value);
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static uint32_t omap2_gpio_module_readp(void *opaque, target_phys_addr_t addr)
+{
+ return omap2_gpio_module_readp(opaque, addr) >> ((addr & 3) << 3);
+}
+
+static void omap2_gpio_module_writep(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ uint32_t cur = 0;
+ uint32_t mask = 0xffff;
+
+ switch (addr & ~3) {
+ case 0x00: /* GPIO_REVISION */
+ case 0x14: /* GPIO_SYSSTATUS */
+ case 0x38: /* GPIO_DATAIN */
+ OMAP_RO_REG(addr);
+ break;
+
+ case 0x10: /* GPIO_SYSCONFIG */
+ case 0x1c: /* GPIO_IRQENABLE1 */
+ case 0x20: /* GPIO_WAKEUPENABLE */
+ case 0x2c: /* GPIO_IRQENABLE2 */
+ case 0x30: /* GPIO_CTRL */
+ case 0x34: /* GPIO_OE */
+ case 0x3c: /* GPIO_DATAOUT */
+ case 0x40: /* GPIO_LEVELDETECT0 */
+ case 0x44: /* GPIO_LEVELDETECT1 */
+ case 0x48: /* GPIO_RISINGDETECT */
+ case 0x4c: /* GPIO_FALLINGDETECT */
+ case 0x50: /* GPIO_DEBOUNCENABLE */
+ case 0x54: /* GPIO_DEBOUNCINGTIME */
+ cur = omap2_gpio_module_read(opaque, addr & ~3) &
+ ~(mask << ((addr & 3) << 3));
+
+ /* Fall through. */
+ case 0x18: /* GPIO_IRQSTATUS1 */
+ case 0x28: /* GPIO_IRQSTATUS2 */
+ case 0x60: /* GPIO_CLEARIRQENABLE1 */
+ case 0x64: /* GPIO_SETIRQENABLE1 */
+ case 0x70: /* GPIO_CLEARIRQENABLE2 */
+ case 0x74: /* GPIO_SETIREQNEABLE2 */
+ case 0x80: /* GPIO_CLEARWKUENA */
+ case 0x84: /* GPIO_SETWKUENA */
+ case 0x90: /* GPIO_CLEARDATAOUT */
+ case 0x94: /* GPIO_SETDATAOUT */
+ value <<= (addr & 3) << 3;
+ omap2_gpio_module_write(opaque, addr, cur | value);
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc * const omap2_gpio_module_readfn[] = {
+ omap2_gpio_module_readp,
+ omap2_gpio_module_readp,
+ omap2_gpio_module_read,
+};
+
+static CPUWriteMemoryFunc * const omap2_gpio_module_writefn[] = {
+ omap2_gpio_module_writep,
+ omap2_gpio_module_writep,
+ omap2_gpio_module_write,
+};
+
+static void omap2_gpio_module_init(struct omap2_gpio_s *s,
+ struct omap_target_agent_s *ta, int region,
+ qemu_irq mpu, qemu_irq dsp, qemu_irq wkup,
+ omap_clk fclk, omap_clk iclk)
+{
+ int iomemtype;
+
+ s->irq[0] = mpu;
+ s->irq[1] = dsp;
+ s->wkup = wkup;
+ s->in = qemu_allocate_irqs(omap2_gpio_module_set, s, 32);
+
+ iomemtype = l4_register_io_memory(omap2_gpio_module_readfn,
+ omap2_gpio_module_writefn, s);
+ omap_l4_attach(ta, region, iomemtype);
+}
+
+struct omap_gpif_s {
+ struct omap2_gpio_s module[5];
+ int modules;
+
+ int autoidle;
+ int gpo;
+};
+
+void omap_gpif_reset(struct omap_gpif_s *s)
+{
+ int i;
+
+ for (i = 0; i < s->modules; i ++)
+ omap2_gpio_module_reset(s->module + i);
+
+ s->autoidle = 0;
+ s->gpo = 0;
+}
+
+static uint32_t omap_gpif_top_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_gpif_s *s = (struct omap_gpif_s *) opaque;
+
+ switch (addr) {
+ case 0x00: /* IPGENERICOCPSPL_REVISION */
+ return 0x18;
+
+ case 0x10: /* IPGENERICOCPSPL_SYSCONFIG */
+ return s->autoidle;
+
+ case 0x14: /* IPGENERICOCPSPL_SYSSTATUS */
+ return 0x01;
+
+ case 0x18: /* IPGENERICOCPSPL_IRQSTATUS */
+ return 0x00;
+
+ case 0x40: /* IPGENERICOCPSPL_GPO */
+ return s->gpo;
+
+ case 0x50: /* IPGENERICOCPSPL_GPI */
+ return 0x00;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_gpif_top_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_gpif_s *s = (struct omap_gpif_s *) opaque;
+
+ switch (addr) {
+ case 0x00: /* IPGENERICOCPSPL_REVISION */
+ case 0x14: /* IPGENERICOCPSPL_SYSSTATUS */
+ case 0x18: /* IPGENERICOCPSPL_IRQSTATUS */
+ case 0x50: /* IPGENERICOCPSPL_GPI */
+ OMAP_RO_REG(addr);
+ break;
+
+ case 0x10: /* IPGENERICOCPSPL_SYSCONFIG */
+ if (value & (1 << 1)) /* SOFTRESET */
+ omap_gpif_reset(s);
+ s->autoidle = value & 1;
+ break;
+
+ case 0x40: /* IPGENERICOCPSPL_GPO */
+ s->gpo = value & 1;
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc * const omap_gpif_top_readfn[] = {
+ omap_gpif_top_read,
+ omap_gpif_top_read,
+ omap_gpif_top_read,
+};
+
+static CPUWriteMemoryFunc * const omap_gpif_top_writefn[] = {
+ omap_gpif_top_write,
+ omap_gpif_top_write,
+ omap_gpif_top_write,
+};
+
+struct omap_gpif_s *omap2_gpio_init(struct omap_target_agent_s *ta,
+ qemu_irq *irq, omap_clk *fclk, omap_clk iclk, int modules)
+{
+ int iomemtype, i;
+ struct omap_gpif_s *s = (struct omap_gpif_s *)
+ qemu_mallocz(sizeof(struct omap_gpif_s));
+ int region[4] = { 0, 2, 4, 5 };
+
+ s->modules = modules;
+ for (i = 0; i < modules; i ++)
+ omap2_gpio_module_init(s->module + i, ta, region[i],
+ irq[i], NULL, NULL, fclk[i], iclk);
+
+ omap_gpif_reset(s);
+
+ iomemtype = l4_register_io_memory(omap_gpif_top_readfn,
+ omap_gpif_top_writefn, s);
+ omap_l4_attach(ta, 1, iomemtype);
+
+ return s;
+}
+
+qemu_irq *omap2_gpio_in_get(struct omap_gpif_s *s, int start)
+{
+ if (start >= s->modules * 32 || start < 0)
+ hw_error("%s: No GPIO line %i\n", __FUNCTION__, start);
+ return s->module[start >> 5].in + (start & 31);
+}
+
+void omap2_gpio_out_set(struct omap_gpif_s *s, int line, qemu_irq handler)
+{
+ if (line >= s->modules * 32 || line < 0)
+ hw_error("%s: No GPIO line %i\n", __FUNCTION__, line);
+ s->module[line >> 5].handler[line & 31] = handler;
+}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 14+ messages in thread* [Qemu-devel] [PATCH v2 03/12] hw/omap2.c : separate gptimer module
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 01/12] hw/omap1.c : separate gpio module cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 02/12] hw/omap2.c " cmchao
@ 2010-05-31 15:54 ` cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 04/12] hw/omap2.c : separate synctimer module cmchao
` (9 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: cmchao @ 2010-05-31 15:54 UTC (permalink / raw)
To: qemu-devel
Signed-off-by: cmchao <cmchao@gmail.com>
---
Makefile.target | 2 +-
hw/omap.h | 2 +
hw/omap2.c | 462 --------------------------------------------------
hw/omap_gptimer.c | 484 +++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 487 insertions(+), 463 deletions(-)
create mode 100644 hw/omap_gptimer.c
diff --git a/Makefile.target b/Makefile.target
index 5628557..70b0b37 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -265,7 +265,7 @@ obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
obj-arm-y += gumstix.o
obj-arm-y += zaurus.o ide/microdrive.o spitz.o tosa.o tc6393xb.o
obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o omap_gpio.o
-obj-arm-y += omap2.o omap_dss.o soc_dma.o
+obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o
obj-arm-y += omap_sx1.o palm.o tsc210x.o
obj-arm-y += nseries.o blizzard.o onenand.o vga.o cbus.o tusb6010.o usb-musb.o
obj-arm-y += mst_fpga.o mainstone.o
diff --git a/hw/omap.h b/hw/omap.h
index a37ee54..14fdb6f 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -631,9 +631,11 @@ struct omap_mpu_timer_s;
struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base,
qemu_irq irq, omap_clk clk);
+/* OMAP2 gp timer */
struct omap_gp_timer_s;
struct omap_gp_timer_s *omap_gp_timer_init(struct omap_target_agent_s *ta,
qemu_irq irq, omap_clk fclk, omap_clk iclk);
+void omap_gp_timer_reset(struct omap_gp_timer_s *s);
struct omap_watchdog_timer_s;
struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base,
diff --git a/hw/omap2.c b/hw/omap2.c
index bf5539d..890397b 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -27,468 +27,6 @@
#include "soc_dma.h"
#include "audio/audio.h"
-/* GP timers */
-struct omap_gp_timer_s {
- qemu_irq irq;
- qemu_irq wkup;
- qemu_irq in;
- qemu_irq out;
- omap_clk clk;
- QEMUTimer *timer;
- QEMUTimer *match;
- struct omap_target_agent_s *ta;
-
- int in_val;
- int out_val;
- int64_t time;
- int64_t rate;
- int64_t ticks_per_sec;
-
- int16_t config;
- int status;
- int it_ena;
- int wu_ena;
- int enable;
- int inout;
- int capt2;
- int pt;
- enum {
- gpt_trigger_none, gpt_trigger_overflow, gpt_trigger_both
- } trigger;
- enum {
- gpt_capture_none, gpt_capture_rising,
- gpt_capture_falling, gpt_capture_both
- } capture;
- int scpwm;
- int ce;
- int pre;
- int ptv;
- int ar;
- int st;
- int posted;
- uint32_t val;
- uint32_t load_val;
- uint32_t capture_val[2];
- uint32_t match_val;
- int capt_num;
-
- uint16_t writeh; /* LSB */
- uint16_t readh; /* MSB */
-};
-
-#define GPT_TCAR_IT (1 << 2)
-#define GPT_OVF_IT (1 << 1)
-#define GPT_MAT_IT (1 << 0)
-
-static inline void omap_gp_timer_intr(struct omap_gp_timer_s *timer, int it)
-{
- if (timer->it_ena & it) {
- if (!timer->status)
- qemu_irq_raise(timer->irq);
-
- timer->status |= it;
- /* Or are the status bits set even when masked?
- * i.e. is masking applied before or after the status register? */
- }
-
- if (timer->wu_ena & it)
- qemu_irq_pulse(timer->wkup);
-}
-
-static inline void omap_gp_timer_out(struct omap_gp_timer_s *timer, int level)
-{
- if (!timer->inout && timer->out_val != level) {
- timer->out_val = level;
- qemu_set_irq(timer->out, level);
- }
-}
-
-static inline uint32_t omap_gp_timer_read(struct omap_gp_timer_s *timer)
-{
- uint64_t distance;
-
- if (timer->st && timer->rate) {
- distance = qemu_get_clock(vm_clock) - timer->time;
- distance = muldiv64(distance, timer->rate, timer->ticks_per_sec);
-
- if (distance >= 0xffffffff - timer->val)
- return 0xffffffff;
- else
- return timer->val + distance;
- } else
- return timer->val;
-}
-
-static inline void omap_gp_timer_sync(struct omap_gp_timer_s *timer)
-{
- if (timer->st) {
- timer->val = omap_gp_timer_read(timer);
- timer->time = qemu_get_clock(vm_clock);
- }
-}
-
-static inline void omap_gp_timer_update(struct omap_gp_timer_s *timer)
-{
- int64_t expires, matches;
-
- if (timer->st && timer->rate) {
- expires = muldiv64(0x100000000ll - timer->val,
- timer->ticks_per_sec, timer->rate);
- qemu_mod_timer(timer->timer, timer->time + expires);
-
- if (timer->ce && timer->match_val >= timer->val) {
- matches = muldiv64(timer->match_val - timer->val,
- timer->ticks_per_sec, timer->rate);
- qemu_mod_timer(timer->match, timer->time + matches);
- } else
- qemu_del_timer(timer->match);
- } else {
- qemu_del_timer(timer->timer);
- qemu_del_timer(timer->match);
- omap_gp_timer_out(timer, timer->scpwm);
- }
-}
-
-static inline void omap_gp_timer_trigger(struct omap_gp_timer_s *timer)
-{
- if (timer->pt)
- /* TODO in overflow-and-match mode if the first event to
- * occur is the match, don't toggle. */
- omap_gp_timer_out(timer, !timer->out_val);
- else
- /* TODO inverted pulse on timer->out_val == 1? */
- qemu_irq_pulse(timer->out);
-}
-
-static void omap_gp_timer_tick(void *opaque)
-{
- struct omap_gp_timer_s *timer = (struct omap_gp_timer_s *) opaque;
-
- if (!timer->ar) {
- timer->st = 0;
- timer->val = 0;
- } else {
- timer->val = timer->load_val;
- timer->time = qemu_get_clock(vm_clock);
- }
-
- if (timer->trigger == gpt_trigger_overflow ||
- timer->trigger == gpt_trigger_both)
- omap_gp_timer_trigger(timer);
-
- omap_gp_timer_intr(timer, GPT_OVF_IT);
- omap_gp_timer_update(timer);
-}
-
-static void omap_gp_timer_match(void *opaque)
-{
- struct omap_gp_timer_s *timer = (struct omap_gp_timer_s *) opaque;
-
- if (timer->trigger == gpt_trigger_both)
- omap_gp_timer_trigger(timer);
-
- omap_gp_timer_intr(timer, GPT_MAT_IT);
-}
-
-static void omap_gp_timer_input(void *opaque, int line, int on)
-{
- struct omap_gp_timer_s *s = (struct omap_gp_timer_s *) opaque;
- int trigger;
-
- switch (s->capture) {
- default:
- case gpt_capture_none:
- trigger = 0;
- break;
- case gpt_capture_rising:
- trigger = !s->in_val && on;
- break;
- case gpt_capture_falling:
- trigger = s->in_val && !on;
- break;
- case gpt_capture_both:
- trigger = (s->in_val == !on);
- break;
- }
- s->in_val = on;
-
- if (s->inout && trigger && s->capt_num < 2) {
- s->capture_val[s->capt_num] = omap_gp_timer_read(s);
-
- if (s->capt2 == s->capt_num ++)
- omap_gp_timer_intr(s, GPT_TCAR_IT);
- }
-}
-
-static void omap_gp_timer_clk_update(void *opaque, int line, int on)
-{
- struct omap_gp_timer_s *timer = (struct omap_gp_timer_s *) opaque;
-
- omap_gp_timer_sync(timer);
- timer->rate = on ? omap_clk_getrate(timer->clk) : 0;
- omap_gp_timer_update(timer);
-}
-
-static void omap_gp_timer_clk_setup(struct omap_gp_timer_s *timer)
-{
- omap_clk_adduser(timer->clk,
- qemu_allocate_irqs(omap_gp_timer_clk_update, timer, 1)[0]);
- timer->rate = omap_clk_getrate(timer->clk);
-}
-
-static void omap_gp_timer_reset(struct omap_gp_timer_s *s)
-{
- s->config = 0x000;
- s->status = 0;
- s->it_ena = 0;
- s->wu_ena = 0;
- s->inout = 0;
- s->capt2 = 0;
- s->capt_num = 0;
- s->pt = 0;
- s->trigger = gpt_trigger_none;
- s->capture = gpt_capture_none;
- s->scpwm = 0;
- s->ce = 0;
- s->pre = 0;
- s->ptv = 0;
- s->ar = 0;
- s->st = 0;
- s->posted = 1;
- s->val = 0x00000000;
- s->load_val = 0x00000000;
- s->capture_val[0] = 0x00000000;
- s->capture_val[1] = 0x00000000;
- s->match_val = 0x00000000;
- omap_gp_timer_update(s);
-}
-
-static uint32_t omap_gp_timer_readw(void *opaque, target_phys_addr_t addr)
-{
- struct omap_gp_timer_s *s = (struct omap_gp_timer_s *) opaque;
-
- switch (addr) {
- case 0x00: /* TIDR */
- return 0x21;
-
- case 0x10: /* TIOCP_CFG */
- return s->config;
-
- case 0x14: /* TISTAT */
- /* ??? When's this bit reset? */
- return 1; /* RESETDONE */
-
- case 0x18: /* TISR */
- return s->status;
-
- case 0x1c: /* TIER */
- return s->it_ena;
-
- case 0x20: /* TWER */
- return s->wu_ena;
-
- case 0x24: /* TCLR */
- return (s->inout << 14) |
- (s->capt2 << 13) |
- (s->pt << 12) |
- (s->trigger << 10) |
- (s->capture << 8) |
- (s->scpwm << 7) |
- (s->ce << 6) |
- (s->pre << 5) |
- (s->ptv << 2) |
- (s->ar << 1) |
- (s->st << 0);
-
- case 0x28: /* TCRR */
- return omap_gp_timer_read(s);
-
- case 0x2c: /* TLDR */
- return s->load_val;
-
- case 0x30: /* TTGR */
- return 0xffffffff;
-
- case 0x34: /* TWPS */
- return 0x00000000; /* No posted writes pending. */
-
- case 0x38: /* TMAR */
- return s->match_val;
-
- case 0x3c: /* TCAR1 */
- return s->capture_val[0];
-
- case 0x40: /* TSICR */
- return s->posted << 2;
-
- case 0x44: /* TCAR2 */
- return s->capture_val[1];
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static uint32_t omap_gp_timer_readh(void *opaque, target_phys_addr_t addr)
-{
- struct omap_gp_timer_s *s = (struct omap_gp_timer_s *) opaque;
- uint32_t ret;
-
- if (addr & 2)
- return s->readh;
- else {
- ret = omap_gp_timer_readw(opaque, addr);
- s->readh = ret >> 16;
- return ret & 0xffff;
- }
-}
-
-static CPUReadMemoryFunc * const omap_gp_timer_readfn[] = {
- omap_badwidth_read32,
- omap_gp_timer_readh,
- omap_gp_timer_readw,
-};
-
-static void omap_gp_timer_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_gp_timer_s *s = (struct omap_gp_timer_s *) opaque;
-
- switch (addr) {
- case 0x00: /* TIDR */
- case 0x14: /* TISTAT */
- case 0x34: /* TWPS */
- case 0x3c: /* TCAR1 */
- case 0x44: /* TCAR2 */
- OMAP_RO_REG(addr);
- break;
-
- case 0x10: /* TIOCP_CFG */
- s->config = value & 0x33d;
- if (((value >> 3) & 3) == 3) /* IDLEMODE */
- fprintf(stderr, "%s: illegal IDLEMODE value in TIOCP_CFG\n",
- __FUNCTION__);
- if (value & 2) /* SOFTRESET */
- omap_gp_timer_reset(s);
- break;
-
- case 0x18: /* TISR */
- if (value & GPT_TCAR_IT)
- s->capt_num = 0;
- if (s->status && !(s->status &= ~value))
- qemu_irq_lower(s->irq);
- break;
-
- case 0x1c: /* TIER */
- s->it_ena = value & 7;
- break;
-
- case 0x20: /* TWER */
- s->wu_ena = value & 7;
- break;
-
- case 0x24: /* TCLR */
- omap_gp_timer_sync(s);
- s->inout = (value >> 14) & 1;
- s->capt2 = (value >> 13) & 1;
- s->pt = (value >> 12) & 1;
- s->trigger = (value >> 10) & 3;
- if (s->capture == gpt_capture_none &&
- ((value >> 8) & 3) != gpt_capture_none)
- s->capt_num = 0;
- s->capture = (value >> 8) & 3;
- s->scpwm = (value >> 7) & 1;
- s->ce = (value >> 6) & 1;
- s->pre = (value >> 5) & 1;
- s->ptv = (value >> 2) & 7;
- s->ar = (value >> 1) & 1;
- s->st = (value >> 0) & 1;
- if (s->inout && s->trigger != gpt_trigger_none)
- fprintf(stderr, "%s: GP timer pin must be an output "
- "for this trigger mode\n", __FUNCTION__);
- if (!s->inout && s->capture != gpt_capture_none)
- fprintf(stderr, "%s: GP timer pin must be an input "
- "for this capture mode\n", __FUNCTION__);
- if (s->trigger == gpt_trigger_none)
- omap_gp_timer_out(s, s->scpwm);
- /* TODO: make sure this doesn't overflow 32-bits */
- s->ticks_per_sec = get_ticks_per_sec() << (s->pre ? s->ptv + 1 : 0);
- omap_gp_timer_update(s);
- break;
-
- case 0x28: /* TCRR */
- s->time = qemu_get_clock(vm_clock);
- s->val = value;
- omap_gp_timer_update(s);
- break;
-
- case 0x2c: /* TLDR */
- s->load_val = value;
- break;
-
- case 0x30: /* TTGR */
- s->time = qemu_get_clock(vm_clock);
- s->val = s->load_val;
- omap_gp_timer_update(s);
- break;
-
- case 0x38: /* TMAR */
- omap_gp_timer_sync(s);
- s->match_val = value;
- omap_gp_timer_update(s);
- break;
-
- case 0x40: /* TSICR */
- s->posted = (value >> 2) & 1;
- if (value & 2) /* How much exactly are we supposed to reset? */
- omap_gp_timer_reset(s);
- break;
-
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static void omap_gp_timer_writeh(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_gp_timer_s *s = (struct omap_gp_timer_s *) opaque;
-
- if (addr & 2)
- return omap_gp_timer_write(opaque, addr, (value << 16) | s->writeh);
- else
- s->writeh = (uint16_t) value;
-}
-
-static CPUWriteMemoryFunc * const omap_gp_timer_writefn[] = {
- omap_badwidth_write32,
- omap_gp_timer_writeh,
- omap_gp_timer_write,
-};
-
-struct omap_gp_timer_s *omap_gp_timer_init(struct omap_target_agent_s *ta,
- qemu_irq irq, omap_clk fclk, omap_clk iclk)
-{
- int iomemtype;
- struct omap_gp_timer_s *s = (struct omap_gp_timer_s *)
- qemu_mallocz(sizeof(struct omap_gp_timer_s));
-
- s->ta = ta;
- s->irq = irq;
- s->clk = fclk;
- s->timer = qemu_new_timer(vm_clock, omap_gp_timer_tick, s);
- s->match = qemu_new_timer(vm_clock, omap_gp_timer_match, s);
- s->in = qemu_allocate_irqs(omap_gp_timer_input, s, 1)[0];
- omap_gp_timer_reset(s);
- omap_gp_timer_clk_setup(s);
-
- iomemtype = l4_register_io_memory(omap_gp_timer_readfn,
- omap_gp_timer_writefn, s);
- omap_l4_attach(ta, 0, iomemtype);
-
- return s;
-}
-
/* 32-kHz Sync Timer of the OMAP2 */
static uint32_t omap_synctimer_read(struct omap_synctimer_s *s) {
return muldiv64(qemu_get_clock(vm_clock), 0x8000, get_ticks_per_sec());
diff --git a/hw/omap_gptimer.c b/hw/omap_gptimer.c
new file mode 100644
index 0000000..9c0f9f2
--- /dev/null
+++ b/hw/omap_gptimer.c
@@ -0,0 +1,484 @@
+/*
+ * TI OMAP2 general purpose timers emulation.
+ *
+ * Copyright (C) 2007-2008 Nokia Corporation
+ * Written by Andrzej Zaborowski <andrew@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) any later version of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "hw.h"
+#include "qemu-timer.h"
+#include "omap.h"
+
+/* GP timers */
+struct omap_gp_timer_s {
+ qemu_irq irq;
+ qemu_irq wkup;
+ qemu_irq in;
+ qemu_irq out;
+ omap_clk clk;
+ QEMUTimer *timer;
+ QEMUTimer *match;
+ struct omap_target_agent_s *ta;
+
+ int in_val;
+ int out_val;
+ int64_t time;
+ int64_t rate;
+ int64_t ticks_per_sec;
+
+ int16_t config;
+ int status;
+ int it_ena;
+ int wu_ena;
+ int enable;
+ int inout;
+ int capt2;
+ int pt;
+ enum {
+ gpt_trigger_none, gpt_trigger_overflow, gpt_trigger_both
+ } trigger;
+ enum {
+ gpt_capture_none, gpt_capture_rising,
+ gpt_capture_falling, gpt_capture_both
+ } capture;
+ int scpwm;
+ int ce;
+ int pre;
+ int ptv;
+ int ar;
+ int st;
+ int posted;
+ uint32_t val;
+ uint32_t load_val;
+ uint32_t capture_val[2];
+ uint32_t match_val;
+ int capt_num;
+
+ uint16_t writeh; /* LSB */
+ uint16_t readh; /* MSB */
+};
+
+#define GPT_TCAR_IT (1 << 2)
+#define GPT_OVF_IT (1 << 1)
+#define GPT_MAT_IT (1 << 0)
+
+static inline void omap_gp_timer_intr(struct omap_gp_timer_s *timer, int it)
+{
+ if (timer->it_ena & it) {
+ if (!timer->status)
+ qemu_irq_raise(timer->irq);
+
+ timer->status |= it;
+ /* Or are the status bits set even when masked?
+ * i.e. is masking applied before or after the status register? */
+ }
+
+ if (timer->wu_ena & it)
+ qemu_irq_pulse(timer->wkup);
+}
+
+static inline void omap_gp_timer_out(struct omap_gp_timer_s *timer, int level)
+{
+ if (!timer->inout && timer->out_val != level) {
+ timer->out_val = level;
+ qemu_set_irq(timer->out, level);
+ }
+}
+
+static inline uint32_t omap_gp_timer_read(struct omap_gp_timer_s *timer)
+{
+ uint64_t distance;
+
+ if (timer->st && timer->rate) {
+ distance = qemu_get_clock(vm_clock) - timer->time;
+ distance = muldiv64(distance, timer->rate, timer->ticks_per_sec);
+
+ if (distance >= 0xffffffff - timer->val)
+ return 0xffffffff;
+ else
+ return timer->val + distance;
+ } else
+ return timer->val;
+}
+
+static inline void omap_gp_timer_sync(struct omap_gp_timer_s *timer)
+{
+ if (timer->st) {
+ timer->val = omap_gp_timer_read(timer);
+ timer->time = qemu_get_clock(vm_clock);
+ }
+}
+
+static inline void omap_gp_timer_update(struct omap_gp_timer_s *timer)
+{
+ int64_t expires, matches;
+
+ if (timer->st && timer->rate) {
+ expires = muldiv64(0x100000000ll - timer->val,
+ timer->ticks_per_sec, timer->rate);
+ qemu_mod_timer(timer->timer, timer->time + expires);
+
+ if (timer->ce && timer->match_val >= timer->val) {
+ matches = muldiv64(timer->match_val - timer->val,
+ timer->ticks_per_sec, timer->rate);
+ qemu_mod_timer(timer->match, timer->time + matches);
+ } else
+ qemu_del_timer(timer->match);
+ } else {
+ qemu_del_timer(timer->timer);
+ qemu_del_timer(timer->match);
+ omap_gp_timer_out(timer, timer->scpwm);
+ }
+}
+
+static inline void omap_gp_timer_trigger(struct omap_gp_timer_s *timer)
+{
+ if (timer->pt)
+ /* TODO in overflow-and-match mode if the first event to
+ * occur is the match, don't toggle. */
+ omap_gp_timer_out(timer, !timer->out_val);
+ else
+ /* TODO inverted pulse on timer->out_val == 1? */
+ qemu_irq_pulse(timer->out);
+}
+
+static void omap_gp_timer_tick(void *opaque)
+{
+ struct omap_gp_timer_s *timer = (struct omap_gp_timer_s *) opaque;
+
+ if (!timer->ar) {
+ timer->st = 0;
+ timer->val = 0;
+ } else {
+ timer->val = timer->load_val;
+ timer->time = qemu_get_clock(vm_clock);
+ }
+
+ if (timer->trigger == gpt_trigger_overflow ||
+ timer->trigger == gpt_trigger_both)
+ omap_gp_timer_trigger(timer);
+
+ omap_gp_timer_intr(timer, GPT_OVF_IT);
+ omap_gp_timer_update(timer);
+}
+
+static void omap_gp_timer_match(void *opaque)
+{
+ struct omap_gp_timer_s *timer = (struct omap_gp_timer_s *) opaque;
+
+ if (timer->trigger == gpt_trigger_both)
+ omap_gp_timer_trigger(timer);
+
+ omap_gp_timer_intr(timer, GPT_MAT_IT);
+}
+
+static void omap_gp_timer_input(void *opaque, int line, int on)
+{
+ struct omap_gp_timer_s *s = (struct omap_gp_timer_s *) opaque;
+ int trigger;
+
+ switch (s->capture) {
+ default:
+ case gpt_capture_none:
+ trigger = 0;
+ break;
+ case gpt_capture_rising:
+ trigger = !s->in_val && on;
+ break;
+ case gpt_capture_falling:
+ trigger = s->in_val && !on;
+ break;
+ case gpt_capture_both:
+ trigger = (s->in_val == !on);
+ break;
+ }
+ s->in_val = on;
+
+ if (s->inout && trigger && s->capt_num < 2) {
+ s->capture_val[s->capt_num] = omap_gp_timer_read(s);
+
+ if (s->capt2 == s->capt_num ++)
+ omap_gp_timer_intr(s, GPT_TCAR_IT);
+ }
+}
+
+static void omap_gp_timer_clk_update(void *opaque, int line, int on)
+{
+ struct omap_gp_timer_s *timer = (struct omap_gp_timer_s *) opaque;
+
+ omap_gp_timer_sync(timer);
+ timer->rate = on ? omap_clk_getrate(timer->clk) : 0;
+ omap_gp_timer_update(timer);
+}
+
+static void omap_gp_timer_clk_setup(struct omap_gp_timer_s *timer)
+{
+ omap_clk_adduser(timer->clk,
+ qemu_allocate_irqs(omap_gp_timer_clk_update, timer, 1)[0]);
+ timer->rate = omap_clk_getrate(timer->clk);
+}
+
+void omap_gp_timer_reset(struct omap_gp_timer_s *s)
+{
+ s->config = 0x000;
+ s->status = 0;
+ s->it_ena = 0;
+ s->wu_ena = 0;
+ s->inout = 0;
+ s->capt2 = 0;
+ s->capt_num = 0;
+ s->pt = 0;
+ s->trigger = gpt_trigger_none;
+ s->capture = gpt_capture_none;
+ s->scpwm = 0;
+ s->ce = 0;
+ s->pre = 0;
+ s->ptv = 0;
+ s->ar = 0;
+ s->st = 0;
+ s->posted = 1;
+ s->val = 0x00000000;
+ s->load_val = 0x00000000;
+ s->capture_val[0] = 0x00000000;
+ s->capture_val[1] = 0x00000000;
+ s->match_val = 0x00000000;
+ omap_gp_timer_update(s);
+}
+
+static uint32_t omap_gp_timer_readw(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_gp_timer_s *s = (struct omap_gp_timer_s *) opaque;
+
+ switch (addr) {
+ case 0x00: /* TIDR */
+ return 0x21;
+
+ case 0x10: /* TIOCP_CFG */
+ return s->config;
+
+ case 0x14: /* TISTAT */
+ /* ??? When's this bit reset? */
+ return 1; /* RESETDONE */
+
+ case 0x18: /* TISR */
+ return s->status;
+
+ case 0x1c: /* TIER */
+ return s->it_ena;
+
+ case 0x20: /* TWER */
+ return s->wu_ena;
+
+ case 0x24: /* TCLR */
+ return (s->inout << 14) |
+ (s->capt2 << 13) |
+ (s->pt << 12) |
+ (s->trigger << 10) |
+ (s->capture << 8) |
+ (s->scpwm << 7) |
+ (s->ce << 6) |
+ (s->pre << 5) |
+ (s->ptv << 2) |
+ (s->ar << 1) |
+ (s->st << 0);
+
+ case 0x28: /* TCRR */
+ return omap_gp_timer_read(s);
+
+ case 0x2c: /* TLDR */
+ return s->load_val;
+
+ case 0x30: /* TTGR */
+ return 0xffffffff;
+
+ case 0x34: /* TWPS */
+ return 0x00000000; /* No posted writes pending. */
+
+ case 0x38: /* TMAR */
+ return s->match_val;
+
+ case 0x3c: /* TCAR1 */
+ return s->capture_val[0];
+
+ case 0x40: /* TSICR */
+ return s->posted << 2;
+
+ case 0x44: /* TCAR2 */
+ return s->capture_val[1];
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static uint32_t omap_gp_timer_readh(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_gp_timer_s *s = (struct omap_gp_timer_s *) opaque;
+ uint32_t ret;
+
+ if (addr & 2)
+ return s->readh;
+ else {
+ ret = omap_gp_timer_readw(opaque, addr);
+ s->readh = ret >> 16;
+ return ret & 0xffff;
+ }
+}
+
+static CPUReadMemoryFunc * const omap_gp_timer_readfn[] = {
+ omap_badwidth_read32,
+ omap_gp_timer_readh,
+ omap_gp_timer_readw,
+};
+
+static void omap_gp_timer_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_gp_timer_s *s = (struct omap_gp_timer_s *) opaque;
+
+ switch (addr) {
+ case 0x00: /* TIDR */
+ case 0x14: /* TISTAT */
+ case 0x34: /* TWPS */
+ case 0x3c: /* TCAR1 */
+ case 0x44: /* TCAR2 */
+ OMAP_RO_REG(addr);
+ break;
+
+ case 0x10: /* TIOCP_CFG */
+ s->config = value & 0x33d;
+ if (((value >> 3) & 3) == 3) /* IDLEMODE */
+ fprintf(stderr, "%s: illegal IDLEMODE value in TIOCP_CFG\n",
+ __FUNCTION__);
+ if (value & 2) /* SOFTRESET */
+ omap_gp_timer_reset(s);
+ break;
+
+ case 0x18: /* TISR */
+ if (value & GPT_TCAR_IT)
+ s->capt_num = 0;
+ if (s->status && !(s->status &= ~value))
+ qemu_irq_lower(s->irq);
+ break;
+
+ case 0x1c: /* TIER */
+ s->it_ena = value & 7;
+ break;
+
+ case 0x20: /* TWER */
+ s->wu_ena = value & 7;
+ break;
+
+ case 0x24: /* TCLR */
+ omap_gp_timer_sync(s);
+ s->inout = (value >> 14) & 1;
+ s->capt2 = (value >> 13) & 1;
+ s->pt = (value >> 12) & 1;
+ s->trigger = (value >> 10) & 3;
+ if (s->capture == gpt_capture_none &&
+ ((value >> 8) & 3) != gpt_capture_none)
+ s->capt_num = 0;
+ s->capture = (value >> 8) & 3;
+ s->scpwm = (value >> 7) & 1;
+ s->ce = (value >> 6) & 1;
+ s->pre = (value >> 5) & 1;
+ s->ptv = (value >> 2) & 7;
+ s->ar = (value >> 1) & 1;
+ s->st = (value >> 0) & 1;
+ if (s->inout && s->trigger != gpt_trigger_none)
+ fprintf(stderr, "%s: GP timer pin must be an output "
+ "for this trigger mode\n", __FUNCTION__);
+ if (!s->inout && s->capture != gpt_capture_none)
+ fprintf(stderr, "%s: GP timer pin must be an input "
+ "for this capture mode\n", __FUNCTION__);
+ if (s->trigger == gpt_trigger_none)
+ omap_gp_timer_out(s, s->scpwm);
+ /* TODO: make sure this doesn't overflow 32-bits */
+ s->ticks_per_sec = get_ticks_per_sec() << (s->pre ? s->ptv + 1 : 0);
+ omap_gp_timer_update(s);
+ break;
+
+ case 0x28: /* TCRR */
+ s->time = qemu_get_clock(vm_clock);
+ s->val = value;
+ omap_gp_timer_update(s);
+ break;
+
+ case 0x2c: /* TLDR */
+ s->load_val = value;
+ break;
+
+ case 0x30: /* TTGR */
+ s->time = qemu_get_clock(vm_clock);
+ s->val = s->load_val;
+ omap_gp_timer_update(s);
+ break;
+
+ case 0x38: /* TMAR */
+ omap_gp_timer_sync(s);
+ s->match_val = value;
+ omap_gp_timer_update(s);
+ break;
+
+ case 0x40: /* TSICR */
+ s->posted = (value >> 2) & 1;
+ if (value & 2) /* How much exactly are we supposed to reset? */
+ omap_gp_timer_reset(s);
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static void omap_gp_timer_writeh(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_gp_timer_s *s = (struct omap_gp_timer_s *) opaque;
+
+ if (addr & 2)
+ return omap_gp_timer_write(opaque, addr, (value << 16) | s->writeh);
+ else
+ s->writeh = (uint16_t) value;
+}
+
+static CPUWriteMemoryFunc * const omap_gp_timer_writefn[] = {
+ omap_badwidth_write32,
+ omap_gp_timer_writeh,
+ omap_gp_timer_write,
+};
+
+struct omap_gp_timer_s *omap_gp_timer_init(struct omap_target_agent_s *ta,
+ qemu_irq irq, omap_clk fclk, omap_clk iclk)
+{
+ int iomemtype;
+ struct omap_gp_timer_s *s = (struct omap_gp_timer_s *)
+ qemu_mallocz(sizeof(struct omap_gp_timer_s));
+
+ s->ta = ta;
+ s->irq = irq;
+ s->clk = fclk;
+ s->timer = qemu_new_timer(vm_clock, omap_gp_timer_tick, s);
+ s->match = qemu_new_timer(vm_clock, omap_gp_timer_match, s);
+ s->in = qemu_allocate_irqs(omap_gp_timer_input, s, 1)[0];
+ omap_gp_timer_reset(s);
+ omap_gp_timer_clk_setup(s);
+
+ iomemtype = l4_register_io_memory(omap_gp_timer_readfn,
+ omap_gp_timer_writefn, s);
+ omap_l4_attach(ta, 0, iomemtype);
+
+ return s;
+}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 14+ messages in thread* [Qemu-devel] [PATCH v2 04/12] hw/omap2.c : separate synctimer module
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
` (2 preceding siblings ...)
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 03/12] hw/omap2.c : separate gptimer module cmchao
@ 2010-05-31 15:54 ` cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 05/12] hw/omap2.c : separate gpmc(general purpose memory controller) cmchao
` (8 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: cmchao @ 2010-05-31 15:54 UTC (permalink / raw)
To: qemu-devel
Signed-off-by: cmchao <cmchao@gmail.com>
---
Makefile.target | 2 +-
hw/omap.h | 11 +++---
hw/omap2.c | 72 +-------------------------------------
hw/omap_synctimer.c | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 104 insertions(+), 77 deletions(-)
create mode 100644 hw/omap_synctimer.c
diff --git a/Makefile.target b/Makefile.target
index 70b0b37..f6234bc 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -265,7 +265,7 @@ obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
obj-arm-y += gumstix.o
obj-arm-y += zaurus.o ide/microdrive.o spitz.o tosa.o tc6393xb.o
obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o omap_gpio.o
-obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o
+obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o
obj-arm-y += omap_sx1.o palm.o tsc210x.o
obj-arm-y += nseries.o blizzard.o onenand.o vga.o cbus.o tusb6010.o usb-musb.o
obj-arm-y += mst_fpga.o mainstone.o
diff --git a/hw/omap.h b/hw/omap.h
index 14fdb6f..b898230 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -645,8 +645,11 @@ struct omap_32khz_timer_s;
struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base,
qemu_irq irq, omap_clk clk);
-void omap_synctimer_init(struct omap_target_agent_s *ta,
+/* OMAP2 sysctimer */
+struct omap_synctimer_s;
+struct omap_synctimer_s *omap_synctimer_init(struct omap_target_agent_s *ta,
struct omap_mpu_state_s *mpu, omap_clk fclk, omap_clk iclk);
+void omap_synctimer_reset(struct omap_synctimer_s *s);
struct omap_tipb_bridge_s;
struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base,
@@ -939,11 +942,7 @@ struct omap_mpu_state_s {
struct omap_l4_s *l4;
struct omap_gp_timer_s *gptimer[12];
-
- struct omap_synctimer_s {
- uint32_t val;
- uint16_t readh;
- } synctimer;
+ struct omap_synctimer_s *synctimer;
struct omap_prcm_s *prcm;
struct omap_sdrc_s *sdrc;
diff --git a/hw/omap2.c b/hw/omap2.c
index 890397b..e310eef 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -27,74 +27,6 @@
#include "soc_dma.h"
#include "audio/audio.h"
-/* 32-kHz Sync Timer of the OMAP2 */
-static uint32_t omap_synctimer_read(struct omap_synctimer_s *s) {
- return muldiv64(qemu_get_clock(vm_clock), 0x8000, get_ticks_per_sec());
-}
-
-static void omap_synctimer_reset(struct omap_synctimer_s *s)
-{
- s->val = omap_synctimer_read(s);
-}
-
-static uint32_t omap_synctimer_readw(void *opaque, target_phys_addr_t addr)
-{
- struct omap_synctimer_s *s = (struct omap_synctimer_s *) opaque;
-
- switch (addr) {
- case 0x00: /* 32KSYNCNT_REV */
- return 0x21;
-
- case 0x10: /* CR */
- return omap_synctimer_read(s) - s->val;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static uint32_t omap_synctimer_readh(void *opaque, target_phys_addr_t addr)
-{
- struct omap_synctimer_s *s = (struct omap_synctimer_s *) opaque;
- uint32_t ret;
-
- if (addr & 2)
- return s->readh;
- else {
- ret = omap_synctimer_readw(opaque, addr);
- s->readh = ret >> 16;
- return ret & 0xffff;
- }
-}
-
-static CPUReadMemoryFunc * const omap_synctimer_readfn[] = {
- omap_badwidth_read32,
- omap_synctimer_readh,
- omap_synctimer_readw,
-};
-
-static void omap_synctimer_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- OMAP_BAD_REG(addr);
-}
-
-static CPUWriteMemoryFunc * const omap_synctimer_writefn[] = {
- omap_badwidth_write32,
- omap_synctimer_write,
- omap_synctimer_write,
-};
-
-void omap_synctimer_init(struct omap_target_agent_s *ta,
- struct omap_mpu_state_s *mpu, omap_clk fclk, omap_clk iclk)
-{
- struct omap_synctimer_s *s = &mpu->synctimer;
-
- omap_synctimer_reset(s);
- omap_l4_attach(ta, 0, l4_register_io_memory(
- omap_synctimer_readfn, omap_synctimer_writefn, s));
-}
-
/* Multichannel SPI */
struct omap_mcspi_s {
qemu_irq irq;
@@ -3473,7 +3405,7 @@ static void omap2_mpu_reset(void *opaque)
omap_gp_timer_reset(mpu->gptimer[9]);
omap_gp_timer_reset(mpu->gptimer[10]);
omap_gp_timer_reset(mpu->gptimer[11]);
- omap_synctimer_reset(&mpu->synctimer);
+ omap_synctimer_reset(mpu->synctimer);
omap_sdrc_reset(mpu->sdrc);
omap_gpmc_reset(mpu->gpmc);
omap_dss_reset(mpu->dss);
@@ -3634,7 +3566,7 @@ struct omap_mpu_state_s *omap2420_mpu_init(unsigned long sdram_size,
omap_tap_init(omap_l4ta(s->l4, 2), s);
- omap_synctimer_init(omap_l4tao(s->l4, 2), s,
+ s->synctimer = omap_synctimer_init(omap_l4tao(s->l4, 2), s,
omap_findclk(s, "clk32-kHz"),
omap_findclk(s, "core_l4_iclk"));
diff --git a/hw/omap_synctimer.c b/hw/omap_synctimer.c
new file mode 100644
index 0000000..118668a
--- /dev/null
+++ b/hw/omap_synctimer.c
@@ -0,0 +1,96 @@
+/*
+ * TI OMAP2 32kHz sync timer emulation.
+ *
+ * Copyright (C) 2007-2008 Nokia Corporation
+ * Written by Andrzej Zaborowski <andrew@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) any later version of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "hw.h"
+#include "qemu-timer.h"
+#include "omap.h"
+struct omap_synctimer_s {
+ uint32_t val;
+ uint16_t readh;
+};
+
+/* 32-kHz Sync Timer of the OMAP2 */
+static uint32_t omap_synctimer_read(struct omap_synctimer_s *s) {
+ return muldiv64(qemu_get_clock(vm_clock), 0x8000, get_ticks_per_sec());
+}
+
+void omap_synctimer_reset(struct omap_synctimer_s *s)
+{
+ s->val = omap_synctimer_read(s);
+}
+
+static uint32_t omap_synctimer_readw(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_synctimer_s *s = (struct omap_synctimer_s *) opaque;
+
+ switch (addr) {
+ case 0x00: /* 32KSYNCNT_REV */
+ return 0x21;
+
+ case 0x10: /* CR */
+ return omap_synctimer_read(s) - s->val;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static uint32_t omap_synctimer_readh(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_synctimer_s *s = (struct omap_synctimer_s *) opaque;
+ uint32_t ret;
+
+ if (addr & 2)
+ return s->readh;
+ else {
+ ret = omap_synctimer_readw(opaque, addr);
+ s->readh = ret >> 16;
+ return ret & 0xffff;
+ }
+}
+
+static CPUReadMemoryFunc * const omap_synctimer_readfn[] = {
+ omap_badwidth_read32,
+ omap_synctimer_readh,
+ omap_synctimer_readw,
+};
+
+static void omap_synctimer_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ OMAP_BAD_REG(addr);
+}
+
+static CPUWriteMemoryFunc * const omap_synctimer_writefn[] = {
+ omap_badwidth_write32,
+ omap_synctimer_write,
+ omap_synctimer_write,
+};
+
+struct omap_synctimer_s *omap_synctimer_init(struct omap_target_agent_s *ta,
+ struct omap_mpu_state_s *mpu, omap_clk fclk, omap_clk iclk)
+{
+ struct omap_synctimer_s *s = qemu_mallocz(sizeof(*s));
+
+ omap_synctimer_reset(s);
+ omap_l4_attach(ta, 0, l4_register_io_memory(
+ omap_synctimer_readfn, omap_synctimer_writefn, s));
+
+ return s;
+}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 14+ messages in thread* [Qemu-devel] [PATCH v2 05/12] hw/omap2.c : separate gpmc(general purpose memory controller)
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
` (3 preceding siblings ...)
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 04/12] hw/omap2.c : separate synctimer module cmchao
@ 2010-05-31 15:54 ` cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 06/12] hw/omap2.c : separate sdrc (sdram controller) cmchao
` (7 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: cmchao @ 2010-05-31 15:54 UTC (permalink / raw)
To: qemu-devel
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain, Size: 27214 bytes --]
Signed-off-by: cmchao <cmchao@gmail.com>
---
Makefile.target | 2 +-
hw/omap.h | 2 +
hw/omap2.c | 396 ----------------------------------------------------
hw/omap_gpmc.c | 419 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 422 insertions(+), 397 deletions(-)
create mode 100644 hw/omap_gpmc.c
diff --git a/Makefile.target b/Makefile.target
index f6234bc..b932f79 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -265,7 +265,7 @@ obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
obj-arm-y += gumstix.o
obj-arm-y += zaurus.o ide/microdrive.o spitz.o tosa.o tc6393xb.o
obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o omap_gpio.o
-obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o
+obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o omap_gpmc.o
obj-arm-y += omap_sx1.o palm.o tsc210x.o
obj-arm-y += nseries.o blizzard.o onenand.o vga.o cbus.o tusb6010.o usb-musb.o
obj-arm-y += mst_fpga.o mainstone.o
diff --git a/hw/omap.h b/hw/omap.h
index b898230..c596953 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -93,8 +93,10 @@ struct omap_sysctl_s *omap_sysctl_init(struct omap_target_agent_s *ta,
struct omap_sdrc_s;
struct omap_sdrc_s *omap_sdrc_init(target_phys_addr_t base);
+/* OMAP2 general purpose memory controller */
struct omap_gpmc_s;
struct omap_gpmc_s *omap_gpmc_init(target_phys_addr_t base, qemu_irq irq);
+void omap_gpmc_reset(struct omap_gpmc_s *s);
void omap_gpmc_attach(struct omap_gpmc_s *s, int cs, int iomemtype,
void (*base_upd)(void *opaque, target_phys_addr_t new),
void (*unmap)(void *opaque), void *opaque);
diff --git a/hw/omap2.c b/hw/omap2.c
index e310eef..b1e5aae 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -2988,402 +2988,6 @@ struct omap_sdrc_s *omap_sdrc_init(target_phys_addr_t base)
return s;
}
-/* General-Purpose Memory Controller */
-struct omap_gpmc_s {
- qemu_irq irq;
-
- uint8_t sysconfig;
- uint16_t irqst;
- uint16_t irqen;
- uint16_t timeout;
- uint16_t config;
- uint32_t prefconfig[2];
- int prefcontrol;
- int preffifo;
- int prefcount;
- struct omap_gpmc_cs_file_s {
- uint32_t config[7];
- target_phys_addr_t base;
- size_t size;
- int iomemtype;
- void (*base_update)(void *opaque, target_phys_addr_t new);
- void (*unmap)(void *opaque);
- void *opaque;
- } cs_file[8];
- int ecc_cs;
- int ecc_ptr;
- uint32_t ecc_cfg;
- ECCState ecc[9];
-};
-
-static void omap_gpmc_int_update(struct omap_gpmc_s *s)
-{
- qemu_set_irq(s->irq, s->irqen & s->irqst);
-}
-
-static void omap_gpmc_cs_map(struct omap_gpmc_cs_file_s *f, int base, int mask)
-{
- /* TODO: check for overlapping regions and report access errors */
- if ((mask != 0x8 && mask != 0xc && mask != 0xe && mask != 0xf) ||
- (base < 0 || base >= 0x40) ||
- (base & 0x0f & ~mask)) {
- fprintf(stderr, "%s: wrong cs address mapping/decoding!\n",
- __FUNCTION__);
- return;
- }
-
- if (!f->opaque)
- return;
-
- f->base = base << 24;
- f->size = (0x0fffffff & ~(mask << 24)) + 1;
- /* TODO: rather than setting the size of the mapping (which should be
- * constant), the mask should cause wrapping of the address space, so
- * that the same memory becomes accessible at every <i>size</i> bytes
- * starting from <i>base</i>. */
- if (f->iomemtype)
- cpu_register_physical_memory(f->base, f->size, f->iomemtype);
-
- if (f->base_update)
- f->base_update(f->opaque, f->base);
-}
-
-static void omap_gpmc_cs_unmap(struct omap_gpmc_cs_file_s *f)
-{
- if (f->size) {
- if (f->unmap)
- f->unmap(f->opaque);
- if (f->iomemtype)
- cpu_register_physical_memory(f->base, f->size, IO_MEM_UNASSIGNED);
- f->base = 0;
- f->size = 0;
- }
-}
-
-static void omap_gpmc_reset(struct omap_gpmc_s *s)
-{
- int i;
-
- s->sysconfig = 0;
- s->irqst = 0;
- s->irqen = 0;
- omap_gpmc_int_update(s);
- s->timeout = 0;
- s->config = 0xa00;
- s->prefconfig[0] = 0x00004000;
- s->prefconfig[1] = 0x00000000;
- s->prefcontrol = 0;
- s->preffifo = 0;
- s->prefcount = 0;
- for (i = 0; i < 8; i ++) {
- if (s->cs_file[i].config[6] & (1 << 6)) /* CSVALID */
- omap_gpmc_cs_unmap(s->cs_file + i);
- s->cs_file[i].config[0] = i ? 1 << 12 : 0;
- s->cs_file[i].config[1] = 0x101001;
- s->cs_file[i].config[2] = 0x020201;
- s->cs_file[i].config[3] = 0x10031003;
- s->cs_file[i].config[4] = 0x10f1111;
- s->cs_file[i].config[5] = 0;
- s->cs_file[i].config[6] = 0xf00 | (i ? 0 : 1 << 6);
- if (s->cs_file[i].config[6] & (1 << 6)) /* CSVALID */
- omap_gpmc_cs_map(&s->cs_file[i],
- s->cs_file[i].config[6] & 0x1f, /* MASKADDR */
- (s->cs_file[i].config[6] >> 8 & 0xf)); /* BASEADDR */
- }
- omap_gpmc_cs_map(s->cs_file, 0, 0xf);
- s->ecc_cs = 0;
- s->ecc_ptr = 0;
- s->ecc_cfg = 0x3fcff000;
- for (i = 0; i < 9; i ++)
- ecc_reset(&s->ecc[i]);
-}
-
-static uint32_t omap_gpmc_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_gpmc_s *s = (struct omap_gpmc_s *) opaque;
- int cs;
- struct omap_gpmc_cs_file_s *f;
-
- switch (addr) {
- case 0x000: /* GPMC_REVISION */
- return 0x20;
-
- case 0x010: /* GPMC_SYSCONFIG */
- return s->sysconfig;
-
- case 0x014: /* GPMC_SYSSTATUS */
- return 1; /* RESETDONE */
-
- case 0x018: /* GPMC_IRQSTATUS */
- return s->irqst;
-
- case 0x01c: /* GPMC_IRQENABLE */
- return s->irqen;
-
- case 0x040: /* GPMC_TIMEOUT_CONTROL */
- return s->timeout;
-
- case 0x044: /* GPMC_ERR_ADDRESS */
- case 0x048: /* GPMC_ERR_TYPE */
- return 0;
-
- case 0x050: /* GPMC_CONFIG */
- return s->config;
-
- case 0x054: /* GPMC_STATUS */
- return 0x001;
-
- case 0x060 ... 0x1d4:
- cs = (addr - 0x060) / 0x30;
- addr -= cs * 0x30;
- f = s->cs_file + cs;
- switch (addr) {
- case 0x60: /* GPMC_CONFIG1 */
- return f->config[0];
- case 0x64: /* GPMC_CONFIG2 */
- return f->config[1];
- case 0x68: /* GPMC_CONFIG3 */
- return f->config[2];
- case 0x6c: /* GPMC_CONFIG4 */
- return f->config[3];
- case 0x70: /* GPMC_CONFIG5 */
- return f->config[4];
- case 0x74: /* GPMC_CONFIG6 */
- return f->config[5];
- case 0x78: /* GPMC_CONFIG7 */
- return f->config[6];
- case 0x84: /* GPMC_NAND_DATA */
- return 0;
- }
- break;
-
- case 0x1e0: /* GPMC_PREFETCH_CONFIG1 */
- return s->prefconfig[0];
- case 0x1e4: /* GPMC_PREFETCH_CONFIG2 */
- return s->prefconfig[1];
- case 0x1ec: /* GPMC_PREFETCH_CONTROL */
- return s->prefcontrol;
- case 0x1f0: /* GPMC_PREFETCH_STATUS */
- return (s->preffifo << 24) |
- ((s->preffifo >
- ((s->prefconfig[0] >> 8) & 0x7f) ? 1 : 0) << 16) |
- s->prefcount;
-
- case 0x1f4: /* GPMC_ECC_CONFIG */
- return s->ecc_cs;
- case 0x1f8: /* GPMC_ECC_CONTROL */
- return s->ecc_ptr;
- case 0x1fc: /* GPMC_ECC_SIZE_CONFIG */
- return s->ecc_cfg;
- case 0x200 ... 0x220: /* GPMC_ECC_RESULT */
- cs = (addr & 0x1f) >> 2;
- /* TODO: check correctness */
- return
- ((s->ecc[cs].cp & 0x07) << 0) |
- ((s->ecc[cs].cp & 0x38) << 13) |
- ((s->ecc[cs].lp[0] & 0x1ff) << 3) |
- ((s->ecc[cs].lp[1] & 0x1ff) << 19);
-
- case 0x230: /* GPMC_TESTMODE_CTRL */
- return 0;
- case 0x234: /* GPMC_PSA_LSB */
- case 0x238: /* GPMC_PSA_MSB */
- return 0x00000000;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_gpmc_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_gpmc_s *s = (struct omap_gpmc_s *) opaque;
- int cs;
- struct omap_gpmc_cs_file_s *f;
-
- switch (addr) {
- case 0x000: /* GPMC_REVISION */
- case 0x014: /* GPMC_SYSSTATUS */
- case 0x054: /* GPMC_STATUS */
- case 0x1f0: /* GPMC_PREFETCH_STATUS */
- case 0x200 ... 0x220: /* GPMC_ECC_RESULT */
- case 0x234: /* GPMC_PSA_LSB */
- case 0x238: /* GPMC_PSA_MSB */
- OMAP_RO_REG(addr);
- break;
-
- case 0x010: /* GPMC_SYSCONFIG */
- if ((value >> 3) == 0x3)
- fprintf(stderr, "%s: bad SDRAM idle mode %i\n",
- __FUNCTION__, value >> 3);
- if (value & 2)
- omap_gpmc_reset(s);
- s->sysconfig = value & 0x19;
- break;
-
- case 0x018: /* GPMC_IRQSTATUS */
- s->irqen = ~value;
- omap_gpmc_int_update(s);
- break;
-
- case 0x01c: /* GPMC_IRQENABLE */
- s->irqen = value & 0xf03;
- omap_gpmc_int_update(s);
- break;
-
- case 0x040: /* GPMC_TIMEOUT_CONTROL */
- s->timeout = value & 0x1ff1;
- break;
-
- case 0x044: /* GPMC_ERR_ADDRESS */
- case 0x048: /* GPMC_ERR_TYPE */
- break;
-
- case 0x050: /* GPMC_CONFIG */
- s->config = value & 0xf13;
- break;
-
- case 0x060 ... 0x1d4:
- cs = (addr - 0x060) / 0x30;
- addr -= cs * 0x30;
- f = s->cs_file + cs;
- switch (addr) {
- case 0x60: /* GPMC_CONFIG1 */
- f->config[0] = value & 0xffef3e13;
- break;
- case 0x64: /* GPMC_CONFIG2 */
- f->config[1] = value & 0x001f1f8f;
- break;
- case 0x68: /* GPMC_CONFIG3 */
- f->config[2] = value & 0x001f1f8f;
- break;
- case 0x6c: /* GPMC_CONFIG4 */
- f->config[3] = value & 0x1f8f1f8f;
- break;
- case 0x70: /* GPMC_CONFIG5 */
- f->config[4] = value & 0x0f1f1f1f;
- break;
- case 0x74: /* GPMC_CONFIG6 */
- f->config[5] = value & 0x00000fcf;
- break;
- case 0x78: /* GPMC_CONFIG7 */
- if ((f->config[6] ^ value) & 0xf7f) {
- if (f->config[6] & (1 << 6)) /* CSVALID */
- omap_gpmc_cs_unmap(f);
- if (value & (1 << 6)) /* CSVALID */
- omap_gpmc_cs_map(f, value & 0x1f, /* MASKADDR */
- (value >> 8 & 0xf)); /* BASEADDR */
- }
- f->config[6] = value & 0x00000f7f;
- break;
- case 0x7c: /* GPMC_NAND_COMMAND */
- case 0x80: /* GPMC_NAND_ADDRESS */
- case 0x84: /* GPMC_NAND_DATA */
- break;
-
- default:
- goto bad_reg;
- }
- break;
-
- case 0x1e0: /* GPMC_PREFETCH_CONFIG1 */
- s->prefconfig[0] = value & 0x7f8f7fbf;
- /* TODO: update interrupts, fifos, dmas */
- break;
-
- case 0x1e4: /* GPMC_PREFETCH_CONFIG2 */
- s->prefconfig[1] = value & 0x3fff;
- break;
-
- case 0x1ec: /* GPMC_PREFETCH_CONTROL */
- s->prefcontrol = value & 1;
- if (s->prefcontrol) {
- if (s->prefconfig[0] & 1)
- s->preffifo = 0x40;
- else
- s->preffifo = 0x00;
- }
- /* TODO: start */
- break;
-
- case 0x1f4: /* GPMC_ECC_CONFIG */
- s->ecc_cs = 0x8f;
- break;
- case 0x1f8: /* GPMC_ECC_CONTROL */
- if (value & (1 << 8))
- for (cs = 0; cs < 9; cs ++)
- ecc_reset(&s->ecc[cs]);
- s->ecc_ptr = value & 0xf;
- if (s->ecc_ptr == 0 || s->ecc_ptr > 9) {
- s->ecc_ptr = 0;
- s->ecc_cs &= ~1;
- }
- break;
- case 0x1fc: /* GPMC_ECC_SIZE_CONFIG */
- s->ecc_cfg = value & 0x3fcff1ff;
- break;
- case 0x230: /* GPMC_TESTMODE_CTRL */
- if (value & 7)
- fprintf(stderr, "%s: test mode enable attempt\n", __FUNCTION__);
- break;
-
- default:
- bad_reg:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-static CPUReadMemoryFunc * const omap_gpmc_readfn[] = {
- omap_badwidth_read32, /* TODO */
- omap_badwidth_read32, /* TODO */
- omap_gpmc_read,
-};
-
-static CPUWriteMemoryFunc * const omap_gpmc_writefn[] = {
- omap_badwidth_write32, /* TODO */
- omap_badwidth_write32, /* TODO */
- omap_gpmc_write,
-};
-
-struct omap_gpmc_s *omap_gpmc_init(target_phys_addr_t base, qemu_irq irq)
-{
- int iomemtype;
- struct omap_gpmc_s *s = (struct omap_gpmc_s *)
- qemu_mallocz(sizeof(struct omap_gpmc_s));
-
- omap_gpmc_reset(s);
-
- iomemtype = cpu_register_io_memory(omap_gpmc_readfn,
- omap_gpmc_writefn, s);
- cpu_register_physical_memory(base, 0x1000, iomemtype);
-
- return s;
-}
-
-void omap_gpmc_attach(struct omap_gpmc_s *s, int cs, int iomemtype,
- void (*base_upd)(void *opaque, target_phys_addr_t new),
- void (*unmap)(void *opaque), void *opaque)
-{
- struct omap_gpmc_cs_file_s *f;
-
- if (cs < 0 || cs >= 8) {
- fprintf(stderr, "%s: bad chip-select %i\n", __FUNCTION__, cs);
- exit(-1);
- }
- f = &s->cs_file[cs];
-
- f->iomemtype = iomemtype;
- f->base_update = base_upd;
- f->unmap = unmap;
- f->opaque = opaque;
-
- if (f->config[6] & (1 << 6)) /* CSVALID */
- omap_gpmc_cs_map(f, f->config[6] & 0x1f, /* MASKADDR */
- (f->config[6] >> 8 & 0xf)); /* BASEADDR */
-}
-
/* General chip reset */
static void omap2_mpu_reset(void *opaque)
{
diff --git a/hw/omap_gpmc.c b/hw/omap_gpmc.c
new file mode 100644
index 0000000..72cfecc
--- /dev/null
+++ b/hw/omap_gpmc.c
@@ -0,0 +1,419 @@
+/*
+ * TI OMAP general purpose memory controller emulation.
+ *
+ * Copyright (C) 2007-2009 Nokia Corporation
+ * Original code written by Andrzej Zaborowski <andrew@openedhand.com>
+ * Enhancements for OMAP3 and NAND support written by Juha Riihimäki
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) any later version of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "hw.h"
+#include "flash.h"
+#include "omap.h"
+
+/* General-Purpose Memory Controller */
+struct omap_gpmc_s {
+ qemu_irq irq;
+
+ uint8_t sysconfig;
+ uint16_t irqst;
+ uint16_t irqen;
+ uint16_t timeout;
+ uint16_t config;
+ uint32_t prefconfig[2];
+ int prefcontrol;
+ int preffifo;
+ int prefcount;
+ struct omap_gpmc_cs_file_s {
+ uint32_t config[7];
+ target_phys_addr_t base;
+ size_t size;
+ int iomemtype;
+ void (*base_update)(void *opaque, target_phys_addr_t new);
+ void (*unmap)(void *opaque);
+ void *opaque;
+ } cs_file[8];
+ int ecc_cs;
+ int ecc_ptr;
+ uint32_t ecc_cfg;
+ ECCState ecc[9];
+};
+
+static void omap_gpmc_int_update(struct omap_gpmc_s *s)
+{
+ qemu_set_irq(s->irq, s->irqen & s->irqst);
+}
+
+static void omap_gpmc_cs_map(struct omap_gpmc_cs_file_s *f, int base, int mask)
+{
+ /* TODO: check for overlapping regions and report access errors */
+ if ((mask != 0x8 && mask != 0xc && mask != 0xe && mask != 0xf) ||
+ (base < 0 || base >= 0x40) ||
+ (base & 0x0f & ~mask)) {
+ fprintf(stderr, "%s: wrong cs address mapping/decoding!\n",
+ __FUNCTION__);
+ return;
+ }
+
+ if (!f->opaque)
+ return;
+
+ f->base = base << 24;
+ f->size = (0x0fffffff & ~(mask << 24)) + 1;
+ /* TODO: rather than setting the size of the mapping (which should be
+ * constant), the mask should cause wrapping of the address space, so
+ * that the same memory becomes accessible at every <i>size</i> bytes
+ * starting from <i>base</i>. */
+ if (f->iomemtype)
+ cpu_register_physical_memory(f->base, f->size, f->iomemtype);
+
+ if (f->base_update)
+ f->base_update(f->opaque, f->base);
+}
+
+static void omap_gpmc_cs_unmap(struct omap_gpmc_cs_file_s *f)
+{
+ if (f->size) {
+ if (f->unmap)
+ f->unmap(f->opaque);
+ if (f->iomemtype)
+ cpu_register_physical_memory(f->base, f->size, IO_MEM_UNASSIGNED);
+ f->base = 0;
+ f->size = 0;
+ }
+}
+
+void omap_gpmc_reset(struct omap_gpmc_s *s)
+{
+ int i;
+
+ s->sysconfig = 0;
+ s->irqst = 0;
+ s->irqen = 0;
+ omap_gpmc_int_update(s);
+ s->timeout = 0;
+ s->config = 0xa00;
+ s->prefconfig[0] = 0x00004000;
+ s->prefconfig[1] = 0x00000000;
+ s->prefcontrol = 0;
+ s->preffifo = 0;
+ s->prefcount = 0;
+ for (i = 0; i < 8; i ++) {
+ if (s->cs_file[i].config[6] & (1 << 6)) /* CSVALID */
+ omap_gpmc_cs_unmap(s->cs_file + i);
+ s->cs_file[i].config[0] = i ? 1 << 12 : 0;
+ s->cs_file[i].config[1] = 0x101001;
+ s->cs_file[i].config[2] = 0x020201;
+ s->cs_file[i].config[3] = 0x10031003;
+ s->cs_file[i].config[4] = 0x10f1111;
+ s->cs_file[i].config[5] = 0;
+ s->cs_file[i].config[6] = 0xf00 | (i ? 0 : 1 << 6);
+ if (s->cs_file[i].config[6] & (1 << 6)) /* CSVALID */
+ omap_gpmc_cs_map(&s->cs_file[i],
+ s->cs_file[i].config[6] & 0x1f, /* MASKADDR */
+ (s->cs_file[i].config[6] >> 8 & 0xf)); /* BASEADDR */
+ }
+ omap_gpmc_cs_map(s->cs_file, 0, 0xf);
+ s->ecc_cs = 0;
+ s->ecc_ptr = 0;
+ s->ecc_cfg = 0x3fcff000;
+ for (i = 0; i < 9; i ++)
+ ecc_reset(&s->ecc[i]);
+}
+
+static uint32_t omap_gpmc_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_gpmc_s *s = (struct omap_gpmc_s *) opaque;
+ int cs;
+ struct omap_gpmc_cs_file_s *f;
+
+ switch (addr) {
+ case 0x000: /* GPMC_REVISION */
+ return 0x20;
+
+ case 0x010: /* GPMC_SYSCONFIG */
+ return s->sysconfig;
+
+ case 0x014: /* GPMC_SYSSTATUS */
+ return 1; /* RESETDONE */
+
+ case 0x018: /* GPMC_IRQSTATUS */
+ return s->irqst;
+
+ case 0x01c: /* GPMC_IRQENABLE */
+ return s->irqen;
+
+ case 0x040: /* GPMC_TIMEOUT_CONTROL */
+ return s->timeout;
+
+ case 0x044: /* GPMC_ERR_ADDRESS */
+ case 0x048: /* GPMC_ERR_TYPE */
+ return 0;
+
+ case 0x050: /* GPMC_CONFIG */
+ return s->config;
+
+ case 0x054: /* GPMC_STATUS */
+ return 0x001;
+
+ case 0x060 ... 0x1d4:
+ cs = (addr - 0x060) / 0x30;
+ addr -= cs * 0x30;
+ f = s->cs_file + cs;
+ switch (addr) {
+ case 0x60: /* GPMC_CONFIG1 */
+ return f->config[0];
+ case 0x64: /* GPMC_CONFIG2 */
+ return f->config[1];
+ case 0x68: /* GPMC_CONFIG3 */
+ return f->config[2];
+ case 0x6c: /* GPMC_CONFIG4 */
+ return f->config[3];
+ case 0x70: /* GPMC_CONFIG5 */
+ return f->config[4];
+ case 0x74: /* GPMC_CONFIG6 */
+ return f->config[5];
+ case 0x78: /* GPMC_CONFIG7 */
+ return f->config[6];
+ case 0x84: /* GPMC_NAND_DATA */
+ return 0;
+ }
+ break;
+
+ case 0x1e0: /* GPMC_PREFETCH_CONFIG1 */
+ return s->prefconfig[0];
+ case 0x1e4: /* GPMC_PREFETCH_CONFIG2 */
+ return s->prefconfig[1];
+ case 0x1ec: /* GPMC_PREFETCH_CONTROL */
+ return s->prefcontrol;
+ case 0x1f0: /* GPMC_PREFETCH_STATUS */
+ return (s->preffifo << 24) |
+ ((s->preffifo >
+ ((s->prefconfig[0] >> 8) & 0x7f) ? 1 : 0) << 16) |
+ s->prefcount;
+
+ case 0x1f4: /* GPMC_ECC_CONFIG */
+ return s->ecc_cs;
+ case 0x1f8: /* GPMC_ECC_CONTROL */
+ return s->ecc_ptr;
+ case 0x1fc: /* GPMC_ECC_SIZE_CONFIG */
+ return s->ecc_cfg;
+ case 0x200 ... 0x220: /* GPMC_ECC_RESULT */
+ cs = (addr & 0x1f) >> 2;
+ /* TODO: check correctness */
+ return
+ ((s->ecc[cs].cp & 0x07) << 0) |
+ ((s->ecc[cs].cp & 0x38) << 13) |
+ ((s->ecc[cs].lp[0] & 0x1ff) << 3) |
+ ((s->ecc[cs].lp[1] & 0x1ff) << 19);
+
+ case 0x230: /* GPMC_TESTMODE_CTRL */
+ return 0;
+ case 0x234: /* GPMC_PSA_LSB */
+ case 0x238: /* GPMC_PSA_MSB */
+ return 0x00000000;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_gpmc_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_gpmc_s *s = (struct omap_gpmc_s *) opaque;
+ int cs;
+ struct omap_gpmc_cs_file_s *f;
+
+ switch (addr) {
+ case 0x000: /* GPMC_REVISION */
+ case 0x014: /* GPMC_SYSSTATUS */
+ case 0x054: /* GPMC_STATUS */
+ case 0x1f0: /* GPMC_PREFETCH_STATUS */
+ case 0x200 ... 0x220: /* GPMC_ECC_RESULT */
+ case 0x234: /* GPMC_PSA_LSB */
+ case 0x238: /* GPMC_PSA_MSB */
+ OMAP_RO_REG(addr);
+ break;
+
+ case 0x010: /* GPMC_SYSCONFIG */
+ if ((value >> 3) == 0x3)
+ fprintf(stderr, "%s: bad SDRAM idle mode %i\n",
+ __FUNCTION__, value >> 3);
+ if (value & 2)
+ omap_gpmc_reset(s);
+ s->sysconfig = value & 0x19;
+ break;
+
+ case 0x018: /* GPMC_IRQSTATUS */
+ s->irqen = ~value;
+ omap_gpmc_int_update(s);
+ break;
+
+ case 0x01c: /* GPMC_IRQENABLE */
+ s->irqen = value & 0xf03;
+ omap_gpmc_int_update(s);
+ break;
+
+ case 0x040: /* GPMC_TIMEOUT_CONTROL */
+ s->timeout = value & 0x1ff1;
+ break;
+
+ case 0x044: /* GPMC_ERR_ADDRESS */
+ case 0x048: /* GPMC_ERR_TYPE */
+ break;
+
+ case 0x050: /* GPMC_CONFIG */
+ s->config = value & 0xf13;
+ break;
+
+ case 0x060 ... 0x1d4:
+ cs = (addr - 0x060) / 0x30;
+ addr -= cs * 0x30;
+ f = s->cs_file + cs;
+ switch (addr) {
+ case 0x60: /* GPMC_CONFIG1 */
+ f->config[0] = value & 0xffef3e13;
+ break;
+ case 0x64: /* GPMC_CONFIG2 */
+ f->config[1] = value & 0x001f1f8f;
+ break;
+ case 0x68: /* GPMC_CONFIG3 */
+ f->config[2] = value & 0x001f1f8f;
+ break;
+ case 0x6c: /* GPMC_CONFIG4 */
+ f->config[3] = value & 0x1f8f1f8f;
+ break;
+ case 0x70: /* GPMC_CONFIG5 */
+ f->config[4] = value & 0x0f1f1f1f;
+ break;
+ case 0x74: /* GPMC_CONFIG6 */
+ f->config[5] = value & 0x00000fcf;
+ break;
+ case 0x78: /* GPMC_CONFIG7 */
+ if ((f->config[6] ^ value) & 0xf7f) {
+ if (f->config[6] & (1 << 6)) /* CSVALID */
+ omap_gpmc_cs_unmap(f);
+ if (value & (1 << 6)) /* CSVALID */
+ omap_gpmc_cs_map(f, value & 0x1f, /* MASKADDR */
+ (value >> 8 & 0xf)); /* BASEADDR */
+ }
+ f->config[6] = value & 0x00000f7f;
+ break;
+ case 0x7c: /* GPMC_NAND_COMMAND */
+ case 0x80: /* GPMC_NAND_ADDRESS */
+ case 0x84: /* GPMC_NAND_DATA */
+ break;
+
+ default:
+ goto bad_reg;
+ }
+ break;
+
+ case 0x1e0: /* GPMC_PREFETCH_CONFIG1 */
+ s->prefconfig[0] = value & 0x7f8f7fbf;
+ /* TODO: update interrupts, fifos, dmas */
+ break;
+
+ case 0x1e4: /* GPMC_PREFETCH_CONFIG2 */
+ s->prefconfig[1] = value & 0x3fff;
+ break;
+
+ case 0x1ec: /* GPMC_PREFETCH_CONTROL */
+ s->prefcontrol = value & 1;
+ if (s->prefcontrol) {
+ if (s->prefconfig[0] & 1)
+ s->preffifo = 0x40;
+ else
+ s->preffifo = 0x00;
+ }
+ /* TODO: start */
+ break;
+
+ case 0x1f4: /* GPMC_ECC_CONFIG */
+ s->ecc_cs = 0x8f;
+ break;
+ case 0x1f8: /* GPMC_ECC_CONTROL */
+ if (value & (1 << 8))
+ for (cs = 0; cs < 9; cs ++)
+ ecc_reset(&s->ecc[cs]);
+ s->ecc_ptr = value & 0xf;
+ if (s->ecc_ptr == 0 || s->ecc_ptr > 9) {
+ s->ecc_ptr = 0;
+ s->ecc_cs &= ~1;
+ }
+ break;
+ case 0x1fc: /* GPMC_ECC_SIZE_CONFIG */
+ s->ecc_cfg = value & 0x3fcff1ff;
+ break;
+ case 0x230: /* GPMC_TESTMODE_CTRL */
+ if (value & 7)
+ fprintf(stderr, "%s: test mode enable attempt\n", __FUNCTION__);
+ break;
+
+ default:
+ bad_reg:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc * const omap_gpmc_readfn[] = {
+ omap_badwidth_read32, /* TODO */
+ omap_badwidth_read32, /* TODO */
+ omap_gpmc_read,
+};
+
+static CPUWriteMemoryFunc * const omap_gpmc_writefn[] = {
+ omap_badwidth_write32, /* TODO */
+ omap_badwidth_write32, /* TODO */
+ omap_gpmc_write,
+};
+
+struct omap_gpmc_s *omap_gpmc_init(target_phys_addr_t base, qemu_irq irq)
+{
+ int iomemtype;
+ struct omap_gpmc_s *s = (struct omap_gpmc_s *)
+ qemu_mallocz(sizeof(struct omap_gpmc_s));
+
+ omap_gpmc_reset(s);
+
+ iomemtype = cpu_register_io_memory(omap_gpmc_readfn,
+ omap_gpmc_writefn, s);
+ cpu_register_physical_memory(base, 0x1000, iomemtype);
+
+ return s;
+}
+
+void omap_gpmc_attach(struct omap_gpmc_s *s, int cs, int iomemtype,
+ void (*base_upd)(void *opaque, target_phys_addr_t new),
+ void (*unmap)(void *opaque), void *opaque)
+{
+ struct omap_gpmc_cs_file_s *f;
+
+ if (cs < 0 || cs >= 8) {
+ fprintf(stderr, "%s: bad chip-select %i\n", __FUNCTION__, cs);
+ exit(-1);
+ }
+ f = &s->cs_file[cs];
+
+ f->iomemtype = iomemtype;
+ f->base_update = base_upd;
+ f->unmap = unmap;
+ f->opaque = opaque;
+
+ if (f->config[6] & (1 << 6)) /* CSVALID */
+ omap_gpmc_cs_map(f, f->config[6] & 0x1f, /* MASKADDR */
+ (f->config[6] >> 8 & 0xf)); /* BASEADDR */
+}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 14+ messages in thread* [Qemu-devel] [PATCH v2 06/12] hw/omap2.c : separate sdrc (sdram controller)
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
` (4 preceding siblings ...)
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 05/12] hw/omap2.c : separate gpmc(general purpose memory controller) cmchao
@ 2010-05-31 15:54 ` cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 07/12] hw/omap1.c : separate interrupt controller module cmchao
` (6 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: cmchao @ 2010-05-31 15:54 UTC (permalink / raw)
To: qemu-devel
Signed-off-by: cmchao <cmchao@gmail.com>
---
Makefile.target | 2 +-
hw/omap.h | 2 +
hw/omap2.c | 144 ------------------------------------------------
hw/omap_sdrc.c | 165 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 168 insertions(+), 145 deletions(-)
create mode 100644 hw/omap_sdrc.c
diff --git a/Makefile.target b/Makefile.target
index b932f79..65be71b 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -265,7 +265,7 @@ obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
obj-arm-y += gumstix.o
obj-arm-y += zaurus.o ide/microdrive.o spitz.o tosa.o tc6393xb.o
obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o omap_gpio.o
-obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o omap_gpmc.o
+obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o omap_gpmc.o omap_sdrc.o
obj-arm-y += omap_sx1.o palm.o tsc210x.o
obj-arm-y += nseries.o blizzard.o onenand.o vga.o cbus.o tusb6010.o usb-musb.o
obj-arm-y += mst_fpga.o mainstone.o
diff --git a/hw/omap.h b/hw/omap.h
index c596953..ad4a465 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -90,8 +90,10 @@ struct omap_sysctl_s;
struct omap_sysctl_s *omap_sysctl_init(struct omap_target_agent_s *ta,
omap_clk iclk, struct omap_mpu_state_s *mpu);
+/* OMAP2 SDRAM controller */
struct omap_sdrc_s;
struct omap_sdrc_s *omap_sdrc_init(target_phys_addr_t base);
+void omap_sdrc_reset(struct omap_sdrc_s *s);
/* OMAP2 general purpose memory controller */
struct omap_gpmc_s;
diff --git a/hw/omap2.c b/hw/omap2.c
index b1e5aae..e6d1b52 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -2844,150 +2844,6 @@ struct omap_sysctl_s *omap_sysctl_init(struct omap_target_agent_s *ta,
return s;
}
-/* SDRAM Controller Subsystem */
-struct omap_sdrc_s {
- uint8_t config;
-};
-
-static void omap_sdrc_reset(struct omap_sdrc_s *s)
-{
- s->config = 0x10;
-}
-
-static uint32_t omap_sdrc_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_sdrc_s *s = (struct omap_sdrc_s *) opaque;
-
- switch (addr) {
- case 0x00: /* SDRC_REVISION */
- return 0x20;
-
- case 0x10: /* SDRC_SYSCONFIG */
- return s->config;
-
- case 0x14: /* SDRC_SYSSTATUS */
- return 1; /* RESETDONE */
-
- case 0x40: /* SDRC_CS_CFG */
- case 0x44: /* SDRC_SHARING */
- case 0x48: /* SDRC_ERR_ADDR */
- case 0x4c: /* SDRC_ERR_TYPE */
- case 0x60: /* SDRC_DLLA_SCTRL */
- case 0x64: /* SDRC_DLLA_STATUS */
- case 0x68: /* SDRC_DLLB_CTRL */
- case 0x6c: /* SDRC_DLLB_STATUS */
- case 0x70: /* SDRC_POWER */
- case 0x80: /* SDRC_MCFG_0 */
- case 0x84: /* SDRC_MR_0 */
- case 0x88: /* SDRC_EMR1_0 */
- case 0x8c: /* SDRC_EMR2_0 */
- case 0x90: /* SDRC_EMR3_0 */
- case 0x94: /* SDRC_DCDL1_CTRL */
- case 0x98: /* SDRC_DCDL2_CTRL */
- case 0x9c: /* SDRC_ACTIM_CTRLA_0 */
- case 0xa0: /* SDRC_ACTIM_CTRLB_0 */
- case 0xa4: /* SDRC_RFR_CTRL_0 */
- case 0xa8: /* SDRC_MANUAL_0 */
- case 0xb0: /* SDRC_MCFG_1 */
- case 0xb4: /* SDRC_MR_1 */
- case 0xb8: /* SDRC_EMR1_1 */
- case 0xbc: /* SDRC_EMR2_1 */
- case 0xc0: /* SDRC_EMR3_1 */
- case 0xc4: /* SDRC_ACTIM_CTRLA_1 */
- case 0xc8: /* SDRC_ACTIM_CTRLB_1 */
- case 0xd4: /* SDRC_RFR_CTRL_1 */
- case 0xd8: /* SDRC_MANUAL_1 */
- return 0x00;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_sdrc_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_sdrc_s *s = (struct omap_sdrc_s *) opaque;
-
- switch (addr) {
- case 0x00: /* SDRC_REVISION */
- case 0x14: /* SDRC_SYSSTATUS */
- case 0x48: /* SDRC_ERR_ADDR */
- case 0x64: /* SDRC_DLLA_STATUS */
- case 0x6c: /* SDRC_DLLB_STATUS */
- OMAP_RO_REG(addr);
- return;
-
- case 0x10: /* SDRC_SYSCONFIG */
- if ((value >> 3) != 0x2)
- fprintf(stderr, "%s: bad SDRAM idle mode %i\n",
- __FUNCTION__, value >> 3);
- if (value & 2)
- omap_sdrc_reset(s);
- s->config = value & 0x18;
- break;
-
- case 0x40: /* SDRC_CS_CFG */
- case 0x44: /* SDRC_SHARING */
- case 0x4c: /* SDRC_ERR_TYPE */
- case 0x60: /* SDRC_DLLA_SCTRL */
- case 0x68: /* SDRC_DLLB_CTRL */
- case 0x70: /* SDRC_POWER */
- case 0x80: /* SDRC_MCFG_0 */
- case 0x84: /* SDRC_MR_0 */
- case 0x88: /* SDRC_EMR1_0 */
- case 0x8c: /* SDRC_EMR2_0 */
- case 0x90: /* SDRC_EMR3_0 */
- case 0x94: /* SDRC_DCDL1_CTRL */
- case 0x98: /* SDRC_DCDL2_CTRL */
- case 0x9c: /* SDRC_ACTIM_CTRLA_0 */
- case 0xa0: /* SDRC_ACTIM_CTRLB_0 */
- case 0xa4: /* SDRC_RFR_CTRL_0 */
- case 0xa8: /* SDRC_MANUAL_0 */
- case 0xb0: /* SDRC_MCFG_1 */
- case 0xb4: /* SDRC_MR_1 */
- case 0xb8: /* SDRC_EMR1_1 */
- case 0xbc: /* SDRC_EMR2_1 */
- case 0xc0: /* SDRC_EMR3_1 */
- case 0xc4: /* SDRC_ACTIM_CTRLA_1 */
- case 0xc8: /* SDRC_ACTIM_CTRLB_1 */
- case 0xd4: /* SDRC_RFR_CTRL_1 */
- case 0xd8: /* SDRC_MANUAL_1 */
- break;
-
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-static CPUReadMemoryFunc * const omap_sdrc_readfn[] = {
- omap_badwidth_read32,
- omap_badwidth_read32,
- omap_sdrc_read,
-};
-
-static CPUWriteMemoryFunc * const omap_sdrc_writefn[] = {
- omap_badwidth_write32,
- omap_badwidth_write32,
- omap_sdrc_write,
-};
-
-struct omap_sdrc_s *omap_sdrc_init(target_phys_addr_t base)
-{
- int iomemtype;
- struct omap_sdrc_s *s = (struct omap_sdrc_s *)
- qemu_mallocz(sizeof(struct omap_sdrc_s));
-
- omap_sdrc_reset(s);
-
- iomemtype = cpu_register_io_memory(omap_sdrc_readfn,
- omap_sdrc_writefn, s);
- cpu_register_physical_memory(base, 0x1000, iomemtype);
-
- return s;
-}
-
/* General chip reset */
static void omap2_mpu_reset(void *opaque)
{
diff --git a/hw/omap_sdrc.c b/hw/omap_sdrc.c
new file mode 100644
index 0000000..aefaebe
--- /dev/null
+++ b/hw/omap_sdrc.c
@@ -0,0 +1,165 @@
+/*
+ * TI OMAP SDRAM controller emulation.
+ *
+ * Copyright (C) 2007-2008 Nokia Corporation
+ * Written by Andrzej Zaborowski <andrew@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) any later version of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "hw.h"
+#include "omap.h"
+
+/* SDRAM Controller Subsystem */
+struct omap_sdrc_s {
+ uint8_t config;
+};
+
+void omap_sdrc_reset(struct omap_sdrc_s *s)
+{
+ s->config = 0x10;
+}
+
+static uint32_t omap_sdrc_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_sdrc_s *s = (struct omap_sdrc_s *) opaque;
+
+ switch (addr) {
+ case 0x00: /* SDRC_REVISION */
+ return 0x20;
+
+ case 0x10: /* SDRC_SYSCONFIG */
+ return s->config;
+
+ case 0x14: /* SDRC_SYSSTATUS */
+ return 1; /* RESETDONE */
+
+ case 0x40: /* SDRC_CS_CFG */
+ case 0x44: /* SDRC_SHARING */
+ case 0x48: /* SDRC_ERR_ADDR */
+ case 0x4c: /* SDRC_ERR_TYPE */
+ case 0x60: /* SDRC_DLLA_SCTRL */
+ case 0x64: /* SDRC_DLLA_STATUS */
+ case 0x68: /* SDRC_DLLB_CTRL */
+ case 0x6c: /* SDRC_DLLB_STATUS */
+ case 0x70: /* SDRC_POWER */
+ case 0x80: /* SDRC_MCFG_0 */
+ case 0x84: /* SDRC_MR_0 */
+ case 0x88: /* SDRC_EMR1_0 */
+ case 0x8c: /* SDRC_EMR2_0 */
+ case 0x90: /* SDRC_EMR3_0 */
+ case 0x94: /* SDRC_DCDL1_CTRL */
+ case 0x98: /* SDRC_DCDL2_CTRL */
+ case 0x9c: /* SDRC_ACTIM_CTRLA_0 */
+ case 0xa0: /* SDRC_ACTIM_CTRLB_0 */
+ case 0xa4: /* SDRC_RFR_CTRL_0 */
+ case 0xa8: /* SDRC_MANUAL_0 */
+ case 0xb0: /* SDRC_MCFG_1 */
+ case 0xb4: /* SDRC_MR_1 */
+ case 0xb8: /* SDRC_EMR1_1 */
+ case 0xbc: /* SDRC_EMR2_1 */
+ case 0xc0: /* SDRC_EMR3_1 */
+ case 0xc4: /* SDRC_ACTIM_CTRLA_1 */
+ case 0xc8: /* SDRC_ACTIM_CTRLB_1 */
+ case 0xd4: /* SDRC_RFR_CTRL_1 */
+ case 0xd8: /* SDRC_MANUAL_1 */
+ return 0x00;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_sdrc_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_sdrc_s *s = (struct omap_sdrc_s *) opaque;
+
+ switch (addr) {
+ case 0x00: /* SDRC_REVISION */
+ case 0x14: /* SDRC_SYSSTATUS */
+ case 0x48: /* SDRC_ERR_ADDR */
+ case 0x64: /* SDRC_DLLA_STATUS */
+ case 0x6c: /* SDRC_DLLB_STATUS */
+ OMAP_RO_REG(addr);
+ return;
+
+ case 0x10: /* SDRC_SYSCONFIG */
+ if ((value >> 3) != 0x2)
+ fprintf(stderr, "%s: bad SDRAM idle mode %i\n",
+ __FUNCTION__, value >> 3);
+ if (value & 2)
+ omap_sdrc_reset(s);
+ s->config = value & 0x18;
+ break;
+
+ case 0x40: /* SDRC_CS_CFG */
+ case 0x44: /* SDRC_SHARING */
+ case 0x4c: /* SDRC_ERR_TYPE */
+ case 0x60: /* SDRC_DLLA_SCTRL */
+ case 0x68: /* SDRC_DLLB_CTRL */
+ case 0x70: /* SDRC_POWER */
+ case 0x80: /* SDRC_MCFG_0 */
+ case 0x84: /* SDRC_MR_0 */
+ case 0x88: /* SDRC_EMR1_0 */
+ case 0x8c: /* SDRC_EMR2_0 */
+ case 0x90: /* SDRC_EMR3_0 */
+ case 0x94: /* SDRC_DCDL1_CTRL */
+ case 0x98: /* SDRC_DCDL2_CTRL */
+ case 0x9c: /* SDRC_ACTIM_CTRLA_0 */
+ case 0xa0: /* SDRC_ACTIM_CTRLB_0 */
+ case 0xa4: /* SDRC_RFR_CTRL_0 */
+ case 0xa8: /* SDRC_MANUAL_0 */
+ case 0xb0: /* SDRC_MCFG_1 */
+ case 0xb4: /* SDRC_MR_1 */
+ case 0xb8: /* SDRC_EMR1_1 */
+ case 0xbc: /* SDRC_EMR2_1 */
+ case 0xc0: /* SDRC_EMR3_1 */
+ case 0xc4: /* SDRC_ACTIM_CTRLA_1 */
+ case 0xc8: /* SDRC_ACTIM_CTRLB_1 */
+ case 0xd4: /* SDRC_RFR_CTRL_1 */
+ case 0xd8: /* SDRC_MANUAL_1 */
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc * const omap_sdrc_readfn[] = {
+ omap_badwidth_read32,
+ omap_badwidth_read32,
+ omap_sdrc_read,
+};
+
+static CPUWriteMemoryFunc * const omap_sdrc_writefn[] = {
+ omap_badwidth_write32,
+ omap_badwidth_write32,
+ omap_sdrc_write,
+};
+
+struct omap_sdrc_s *omap_sdrc_init(target_phys_addr_t base)
+{
+ int iomemtype;
+ struct omap_sdrc_s *s = (struct omap_sdrc_s *)
+ qemu_mallocz(sizeof(struct omap_sdrc_s));
+
+ omap_sdrc_reset(s);
+
+ iomemtype = cpu_register_io_memory(omap_sdrc_readfn,
+ omap_sdrc_writefn, s);
+ cpu_register_physical_memory(base, 0x1000, iomemtype);
+
+ return s;
+}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 14+ messages in thread* [Qemu-devel] [PATCH v2 07/12] hw/omap1.c : separate interrupt controller module
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
` (5 preceding siblings ...)
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 06/12] hw/omap2.c : separate sdrc (sdram controller) cmchao
@ 2010-05-31 15:54 ` cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 08/12] hw/omap2.c : separate spi module cmchao
` (5 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: cmchao @ 2010-05-31 15:54 UTC (permalink / raw)
To: qemu-devel
Signed-off-by: cmchao <cmchao@gmail.com>
---
Makefile.target | 2 +-
hw/omap.h | 2 +
hw/omap1.c | 576 +----------------------------------------------------
hw/omap_intc.c | 598 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 603 insertions(+), 575 deletions(-)
create mode 100644 hw/omap_intc.c
diff --git a/Makefile.target b/Makefile.target
index 65be71b..5afafe3 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -264,7 +264,7 @@ obj-arm-y += pxa2xx.o pxa2xx_pic.o pxa2xx_gpio.o pxa2xx_timer.o pxa2xx_dma.o
obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
obj-arm-y += gumstix.o
obj-arm-y += zaurus.o ide/microdrive.o spitz.o tosa.o tc6393xb.o
-obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o omap_gpio.o
+obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o omap_gpio.o omap_intc.o
obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o omap_gpmc.o omap_sdrc.o
obj-arm-y += omap_sx1.o palm.o tsc210x.o
obj-arm-y += nseries.o blizzard.o onenand.o vga.o cbus.o tusb6010.o usb-musb.o
diff --git a/hw/omap.h b/hw/omap.h
index ad4a465..ea23ec9 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -71,6 +71,7 @@ target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
int iotype);
# define l4_register_io_memory cpu_register_io_memory
+/* OMAP interrupt controller */
struct omap_intr_handler_s;
struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base,
unsigned long size, unsigned char nbanks, qemu_irq **pins,
@@ -80,6 +81,7 @@ struct omap_intr_handler_s *omap2_inth_init(target_phys_addr_t base,
qemu_irq parent_irq, qemu_irq parent_fiq,
omap_clk fclk, omap_clk iclk);
void omap_inth_reset(struct omap_intr_handler_s *s);
+qemu_irq omap_inth_get_pin(struct omap_intr_handler_s *s, int n);
struct omap_prcm_s;
struct omap_prcm_s *omap_prcm_init(struct omap_target_agent_s *ta,
diff --git a/hw/omap1.c b/hw/omap1.c
index 8b78c05..21c53fe 100644
--- a/hw/omap1.c
+++ b/hw/omap1.c
@@ -79,578 +79,6 @@ void omap_badwidth_write32(void *opaque, target_phys_addr_t addr,
cpu_physical_memory_write(addr, (void *) &value, 4);
}
-/* Interrupt Handlers */
-struct omap_intr_handler_bank_s {
- uint32_t irqs;
- uint32_t inputs;
- uint32_t mask;
- uint32_t fiq;
- uint32_t sens_edge;
- uint32_t swi;
- unsigned char priority[32];
-};
-
-struct omap_intr_handler_s {
- qemu_irq *pins;
- qemu_irq parent_intr[2];
- unsigned char nbanks;
- int level_only;
-
- /* state */
- uint32_t new_agr[2];
- int sir_intr[2];
- int autoidle;
- uint32_t mask;
- struct omap_intr_handler_bank_s bank[];
-};
-
-static void omap_inth_sir_update(struct omap_intr_handler_s *s, int is_fiq)
-{
- int i, j, sir_intr, p_intr, p, f;
- uint32_t level;
- sir_intr = 0;
- p_intr = 255;
-
- /* Find the interrupt line with the highest dynamic priority.
- * Note: 0 denotes the hightest priority.
- * If all interrupts have the same priority, the default order is IRQ_N,
- * IRQ_N-1,...,IRQ_0. */
- for (j = 0; j < s->nbanks; ++j) {
- level = s->bank[j].irqs & ~s->bank[j].mask &
- (is_fiq ? s->bank[j].fiq : ~s->bank[j].fiq);
- for (f = ffs(level), i = f - 1, level >>= f - 1; f; i += f,
- level >>= f) {
- p = s->bank[j].priority[i];
- if (p <= p_intr) {
- p_intr = p;
- sir_intr = 32 * j + i;
- }
- f = ffs(level >> 1);
- }
- }
- s->sir_intr[is_fiq] = sir_intr;
-}
-
-static inline void omap_inth_update(struct omap_intr_handler_s *s, int is_fiq)
-{
- int i;
- uint32_t has_intr = 0;
-
- for (i = 0; i < s->nbanks; ++i)
- has_intr |= s->bank[i].irqs & ~s->bank[i].mask &
- (is_fiq ? s->bank[i].fiq : ~s->bank[i].fiq);
-
- if (s->new_agr[is_fiq] & has_intr & s->mask) {
- s->new_agr[is_fiq] = 0;
- omap_inth_sir_update(s, is_fiq);
- qemu_set_irq(s->parent_intr[is_fiq], 1);
- }
-}
-
-#define INT_FALLING_EDGE 0
-#define INT_LOW_LEVEL 1
-
-static void omap_set_intr(void *opaque, int irq, int req)
-{
- struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque;
- uint32_t rise;
-
- struct omap_intr_handler_bank_s *bank = &ih->bank[irq >> 5];
- int n = irq & 31;
-
- if (req) {
- rise = ~bank->irqs & (1 << n);
- if (~bank->sens_edge & (1 << n))
- rise &= ~bank->inputs;
-
- bank->inputs |= (1 << n);
- if (rise) {
- bank->irqs |= rise;
- omap_inth_update(ih, 0);
- omap_inth_update(ih, 1);
- }
- } else {
- rise = bank->sens_edge & bank->irqs & (1 << n);
- bank->irqs &= ~rise;
- bank->inputs &= ~(1 << n);
- }
-}
-
-/* Simplified version with no edge detection */
-static void omap_set_intr_noedge(void *opaque, int irq, int req)
-{
- struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque;
- uint32_t rise;
-
- struct omap_intr_handler_bank_s *bank = &ih->bank[irq >> 5];
- int n = irq & 31;
-
- if (req) {
- rise = ~bank->inputs & (1 << n);
- if (rise) {
- bank->irqs |= bank->inputs |= rise;
- omap_inth_update(ih, 0);
- omap_inth_update(ih, 1);
- }
- } else
- bank->irqs = (bank->inputs &= ~(1 << n)) | bank->swi;
-}
-
-static uint32_t omap_inth_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
- int i, offset = addr;
- int bank_no = offset >> 8;
- int line_no;
- struct omap_intr_handler_bank_s *bank = &s->bank[bank_no];
- offset &= 0xff;
-
- switch (offset) {
- case 0x00: /* ITR */
- return bank->irqs;
-
- case 0x04: /* MIR */
- return bank->mask;
-
- case 0x10: /* SIR_IRQ_CODE */
- case 0x14: /* SIR_FIQ_CODE */
- if (bank_no != 0)
- break;
- line_no = s->sir_intr[(offset - 0x10) >> 2];
- bank = &s->bank[line_no >> 5];
- i = line_no & 31;
- if (((bank->sens_edge >> i) & 1) == INT_FALLING_EDGE)
- bank->irqs &= ~(1 << i);
- return line_no;
-
- case 0x18: /* CONTROL_REG */
- if (bank_no != 0)
- break;
- return 0;
-
- case 0x1c: /* ILR0 */
- case 0x20: /* ILR1 */
- case 0x24: /* ILR2 */
- case 0x28: /* ILR3 */
- case 0x2c: /* ILR4 */
- case 0x30: /* ILR5 */
- case 0x34: /* ILR6 */
- case 0x38: /* ILR7 */
- case 0x3c: /* ILR8 */
- case 0x40: /* ILR9 */
- case 0x44: /* ILR10 */
- case 0x48: /* ILR11 */
- case 0x4c: /* ILR12 */
- case 0x50: /* ILR13 */
- case 0x54: /* ILR14 */
- case 0x58: /* ILR15 */
- case 0x5c: /* ILR16 */
- case 0x60: /* ILR17 */
- case 0x64: /* ILR18 */
- case 0x68: /* ILR19 */
- case 0x6c: /* ILR20 */
- case 0x70: /* ILR21 */
- case 0x74: /* ILR22 */
- case 0x78: /* ILR23 */
- case 0x7c: /* ILR24 */
- case 0x80: /* ILR25 */
- case 0x84: /* ILR26 */
- case 0x88: /* ILR27 */
- case 0x8c: /* ILR28 */
- case 0x90: /* ILR29 */
- case 0x94: /* ILR30 */
- case 0x98: /* ILR31 */
- i = (offset - 0x1c) >> 2;
- return (bank->priority[i] << 2) |
- (((bank->sens_edge >> i) & 1) << 1) |
- ((bank->fiq >> i) & 1);
-
- case 0x9c: /* ISR */
- return 0x00000000;
-
- }
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_inth_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
- int i, offset = addr;
- int bank_no = offset >> 8;
- struct omap_intr_handler_bank_s *bank = &s->bank[bank_no];
- offset &= 0xff;
-
- switch (offset) {
- case 0x00: /* ITR */
- /* Important: ignore the clearing if the IRQ is level-triggered and
- the input bit is 1 */
- bank->irqs &= value | (bank->inputs & bank->sens_edge);
- return;
-
- case 0x04: /* MIR */
- bank->mask = value;
- omap_inth_update(s, 0);
- omap_inth_update(s, 1);
- return;
-
- case 0x10: /* SIR_IRQ_CODE */
- case 0x14: /* SIR_FIQ_CODE */
- OMAP_RO_REG(addr);
- break;
-
- case 0x18: /* CONTROL_REG */
- if (bank_no != 0)
- break;
- if (value & 2) {
- qemu_set_irq(s->parent_intr[1], 0);
- s->new_agr[1] = ~0;
- omap_inth_update(s, 1);
- }
- if (value & 1) {
- qemu_set_irq(s->parent_intr[0], 0);
- s->new_agr[0] = ~0;
- omap_inth_update(s, 0);
- }
- return;
-
- case 0x1c: /* ILR0 */
- case 0x20: /* ILR1 */
- case 0x24: /* ILR2 */
- case 0x28: /* ILR3 */
- case 0x2c: /* ILR4 */
- case 0x30: /* ILR5 */
- case 0x34: /* ILR6 */
- case 0x38: /* ILR7 */
- case 0x3c: /* ILR8 */
- case 0x40: /* ILR9 */
- case 0x44: /* ILR10 */
- case 0x48: /* ILR11 */
- case 0x4c: /* ILR12 */
- case 0x50: /* ILR13 */
- case 0x54: /* ILR14 */
- case 0x58: /* ILR15 */
- case 0x5c: /* ILR16 */
- case 0x60: /* ILR17 */
- case 0x64: /* ILR18 */
- case 0x68: /* ILR19 */
- case 0x6c: /* ILR20 */
- case 0x70: /* ILR21 */
- case 0x74: /* ILR22 */
- case 0x78: /* ILR23 */
- case 0x7c: /* ILR24 */
- case 0x80: /* ILR25 */
- case 0x84: /* ILR26 */
- case 0x88: /* ILR27 */
- case 0x8c: /* ILR28 */
- case 0x90: /* ILR29 */
- case 0x94: /* ILR30 */
- case 0x98: /* ILR31 */
- i = (offset - 0x1c) >> 2;
- bank->priority[i] = (value >> 2) & 0x1f;
- bank->sens_edge &= ~(1 << i);
- bank->sens_edge |= ((value >> 1) & 1) << i;
- bank->fiq &= ~(1 << i);
- bank->fiq |= (value & 1) << i;
- return;
-
- case 0x9c: /* ISR */
- for (i = 0; i < 32; i ++)
- if (value & (1 << i)) {
- omap_set_intr(s, 32 * bank_no + i, 1);
- return;
- }
- return;
- }
- OMAP_BAD_REG(addr);
-}
-
-static CPUReadMemoryFunc * const omap_inth_readfn[] = {
- omap_badwidth_read32,
- omap_badwidth_read32,
- omap_inth_read,
-};
-
-static CPUWriteMemoryFunc * const omap_inth_writefn[] = {
- omap_inth_write,
- omap_inth_write,
- omap_inth_write,
-};
-
-void omap_inth_reset(struct omap_intr_handler_s *s)
-{
- int i;
-
- for (i = 0; i < s->nbanks; ++i){
- s->bank[i].irqs = 0x00000000;
- s->bank[i].mask = 0xffffffff;
- s->bank[i].sens_edge = 0x00000000;
- s->bank[i].fiq = 0x00000000;
- s->bank[i].inputs = 0x00000000;
- s->bank[i].swi = 0x00000000;
- memset(s->bank[i].priority, 0, sizeof(s->bank[i].priority));
-
- if (s->level_only)
- s->bank[i].sens_edge = 0xffffffff;
- }
-
- s->new_agr[0] = ~0;
- s->new_agr[1] = ~0;
- s->sir_intr[0] = 0;
- s->sir_intr[1] = 0;
- s->autoidle = 0;
- s->mask = ~0;
-
- qemu_set_irq(s->parent_intr[0], 0);
- qemu_set_irq(s->parent_intr[1], 0);
-}
-
-struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base,
- unsigned long size, unsigned char nbanks, qemu_irq **pins,
- qemu_irq parent_irq, qemu_irq parent_fiq, omap_clk clk)
-{
- int iomemtype;
- struct omap_intr_handler_s *s = (struct omap_intr_handler_s *)
- qemu_mallocz(sizeof(struct omap_intr_handler_s) +
- sizeof(struct omap_intr_handler_bank_s) * nbanks);
-
- s->parent_intr[0] = parent_irq;
- s->parent_intr[1] = parent_fiq;
- s->nbanks = nbanks;
- s->pins = qemu_allocate_irqs(omap_set_intr, s, nbanks * 32);
- if (pins)
- *pins = s->pins;
-
- omap_inth_reset(s);
-
- iomemtype = cpu_register_io_memory(omap_inth_readfn,
- omap_inth_writefn, s);
- cpu_register_physical_memory(base, size, iomemtype);
-
- return s;
-}
-
-static uint32_t omap2_inth_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
- int offset = addr;
- int bank_no, line_no;
- struct omap_intr_handler_bank_s *bank = NULL;
-
- if ((offset & 0xf80) == 0x80) {
- bank_no = (offset & 0x60) >> 5;
- if (bank_no < s->nbanks) {
- offset &= ~0x60;
- bank = &s->bank[bank_no];
- }
- }
-
- switch (offset) {
- case 0x00: /* INTC_REVISION */
- return 0x21;
-
- case 0x10: /* INTC_SYSCONFIG */
- return (s->autoidle >> 2) & 1;
-
- case 0x14: /* INTC_SYSSTATUS */
- return 1; /* RESETDONE */
-
- case 0x40: /* INTC_SIR_IRQ */
- return s->sir_intr[0];
-
- case 0x44: /* INTC_SIR_FIQ */
- return s->sir_intr[1];
-
- case 0x48: /* INTC_CONTROL */
- return (!s->mask) << 2; /* GLOBALMASK */
-
- case 0x4c: /* INTC_PROTECTION */
- return 0;
-
- case 0x50: /* INTC_IDLE */
- return s->autoidle & 3;
-
- /* Per-bank registers */
- case 0x80: /* INTC_ITR */
- return bank->inputs;
-
- case 0x84: /* INTC_MIR */
- return bank->mask;
-
- case 0x88: /* INTC_MIR_CLEAR */
- case 0x8c: /* INTC_MIR_SET */
- return 0;
-
- case 0x90: /* INTC_ISR_SET */
- return bank->swi;
-
- case 0x94: /* INTC_ISR_CLEAR */
- return 0;
-
- case 0x98: /* INTC_PENDING_IRQ */
- return bank->irqs & ~bank->mask & ~bank->fiq;
-
- case 0x9c: /* INTC_PENDING_FIQ */
- return bank->irqs & ~bank->mask & bank->fiq;
-
- /* Per-line registers */
- case 0x100 ... 0x300: /* INTC_ILR */
- bank_no = (offset - 0x100) >> 7;
- if (bank_no > s->nbanks)
- break;
- bank = &s->bank[bank_no];
- line_no = (offset & 0x7f) >> 2;
- return (bank->priority[line_no] << 2) |
- ((bank->fiq >> line_no) & 1);
- }
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap2_inth_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
- int offset = addr;
- int bank_no, line_no;
- struct omap_intr_handler_bank_s *bank = NULL;
-
- if ((offset & 0xf80) == 0x80) {
- bank_no = (offset & 0x60) >> 5;
- if (bank_no < s->nbanks) {
- offset &= ~0x60;
- bank = &s->bank[bank_no];
- }
- }
-
- switch (offset) {
- case 0x10: /* INTC_SYSCONFIG */
- s->autoidle &= 4;
- s->autoidle |= (value & 1) << 2;
- if (value & 2) /* SOFTRESET */
- omap_inth_reset(s);
- return;
-
- case 0x48: /* INTC_CONTROL */
- s->mask = (value & 4) ? 0 : ~0; /* GLOBALMASK */
- if (value & 2) { /* NEWFIQAGR */
- qemu_set_irq(s->parent_intr[1], 0);
- s->new_agr[1] = ~0;
- omap_inth_update(s, 1);
- }
- if (value & 1) { /* NEWIRQAGR */
- qemu_set_irq(s->parent_intr[0], 0);
- s->new_agr[0] = ~0;
- omap_inth_update(s, 0);
- }
- return;
-
- case 0x4c: /* INTC_PROTECTION */
- /* TODO: Make a bitmap (or sizeof(char)map) of access privileges
- * for every register, see Chapter 3 and 4 for privileged mode. */
- if (value & 1)
- fprintf(stderr, "%s: protection mode enable attempt\n",
- __FUNCTION__);
- return;
-
- case 0x50: /* INTC_IDLE */
- s->autoidle &= ~3;
- s->autoidle |= value & 3;
- return;
-
- /* Per-bank registers */
- case 0x84: /* INTC_MIR */
- bank->mask = value;
- omap_inth_update(s, 0);
- omap_inth_update(s, 1);
- return;
-
- case 0x88: /* INTC_MIR_CLEAR */
- bank->mask &= ~value;
- omap_inth_update(s, 0);
- omap_inth_update(s, 1);
- return;
-
- case 0x8c: /* INTC_MIR_SET */
- bank->mask |= value;
- return;
-
- case 0x90: /* INTC_ISR_SET */
- bank->irqs |= bank->swi |= value;
- omap_inth_update(s, 0);
- omap_inth_update(s, 1);
- return;
-
- case 0x94: /* INTC_ISR_CLEAR */
- bank->swi &= ~value;
- bank->irqs = bank->swi & bank->inputs;
- return;
-
- /* Per-line registers */
- case 0x100 ... 0x300: /* INTC_ILR */
- bank_no = (offset - 0x100) >> 7;
- if (bank_no > s->nbanks)
- break;
- bank = &s->bank[bank_no];
- line_no = (offset & 0x7f) >> 2;
- bank->priority[line_no] = (value >> 2) & 0x3f;
- bank->fiq &= ~(1 << line_no);
- bank->fiq |= (value & 1) << line_no;
- return;
-
- case 0x00: /* INTC_REVISION */
- case 0x14: /* INTC_SYSSTATUS */
- case 0x40: /* INTC_SIR_IRQ */
- case 0x44: /* INTC_SIR_FIQ */
- case 0x80: /* INTC_ITR */
- case 0x98: /* INTC_PENDING_IRQ */
- case 0x9c: /* INTC_PENDING_FIQ */
- OMAP_RO_REG(addr);
- return;
- }
- OMAP_BAD_REG(addr);
-}
-
-static CPUReadMemoryFunc * const omap2_inth_readfn[] = {
- omap_badwidth_read32,
- omap_badwidth_read32,
- omap2_inth_read,
-};
-
-static CPUWriteMemoryFunc * const omap2_inth_writefn[] = {
- omap2_inth_write,
- omap2_inth_write,
- omap2_inth_write,
-};
-
-struct omap_intr_handler_s *omap2_inth_init(target_phys_addr_t base,
- int size, int nbanks, qemu_irq **pins,
- qemu_irq parent_irq, qemu_irq parent_fiq,
- omap_clk fclk, omap_clk iclk)
-{
- int iomemtype;
- struct omap_intr_handler_s *s = (struct omap_intr_handler_s *)
- qemu_mallocz(sizeof(struct omap_intr_handler_s) +
- sizeof(struct omap_intr_handler_bank_s) * nbanks);
-
- s->parent_intr[0] = parent_irq;
- s->parent_intr[1] = parent_fiq;
- s->nbanks = nbanks;
- s->level_only = 1;
- s->pins = qemu_allocate_irqs(omap_set_intr_noedge, s, nbanks * 32);
- if (pins)
- *pins = s->pins;
-
- omap_inth_reset(s);
-
- iomemtype = cpu_register_io_memory(omap2_inth_readfn,
- omap2_inth_writefn, s);
- cpu_register_physical_memory(base, size, iomemtype);
-
- return s;
-}
-
/* MPU OS timers */
struct omap_mpu_timer_s {
qemu_irq irq;
@@ -4485,8 +3913,8 @@ struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size,
cpu_irq[ARM_PIC_CPU_IRQ], cpu_irq[ARM_PIC_CPU_FIQ],
omap_findclk(s, "arminth_ck"));
s->ih[1] = omap_inth_init(0xfffe0000, 0x800, 1, &s->irq[1],
- s->ih[0]->pins[OMAP_INT_15XX_IH2_IRQ], NULL,
- omap_findclk(s, "arminth_ck"));
+ omap_inth_get_pin(s->ih[0], OMAP_INT_15XX_IH2_IRQ),
+ NULL, omap_findclk(s, "arminth_ck"));
for (i = 0; i < 6; i ++)
dma_irqs[i] =
diff --git a/hw/omap_intc.c b/hw/omap_intc.c
new file mode 100644
index 0000000..59893b7
--- /dev/null
+++ b/hw/omap_intc.c
@@ -0,0 +1,598 @@
+/*
+ * TI OMAP interrupt controller emulation.
+ *
+ * Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org>
+ * Copyright (C) 2007-2008 Nokia Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "hw.h"
+#include "omap.h"
+
+/* Interrupt Handlers */
+struct omap_intr_handler_bank_s {
+ uint32_t irqs;
+ uint32_t inputs;
+ uint32_t mask;
+ uint32_t fiq;
+ uint32_t sens_edge;
+ uint32_t swi;
+ unsigned char priority[32];
+};
+
+struct omap_intr_handler_s {
+ qemu_irq *pins;
+ qemu_irq parent_intr[2];
+ unsigned char nbanks;
+ int level_only;
+
+ /* state */
+ uint32_t new_agr[2];
+ int sir_intr[2];
+ int autoidle;
+ uint32_t mask;
+ struct omap_intr_handler_bank_s bank[];
+};
+
+inline qemu_irq omap_inth_get_pin(struct omap_intr_handler_s *s, int n)
+{
+ return s->pins[n];
+}
+
+static void omap_inth_sir_update(struct omap_intr_handler_s *s, int is_fiq)
+{
+ int i, j, sir_intr, p_intr, p, f;
+ uint32_t level;
+ sir_intr = 0;
+ p_intr = 255;
+
+ /* Find the interrupt line with the highest dynamic priority.
+ * Note: 0 denotes the hightest priority.
+ * If all interrupts have the same priority, the default order is IRQ_N,
+ * IRQ_N-1,...,IRQ_0. */
+ for (j = 0; j < s->nbanks; ++j) {
+ level = s->bank[j].irqs & ~s->bank[j].mask &
+ (is_fiq ? s->bank[j].fiq : ~s->bank[j].fiq);
+ for (f = ffs(level), i = f - 1, level >>= f - 1; f; i += f,
+ level >>= f) {
+ p = s->bank[j].priority[i];
+ if (p <= p_intr) {
+ p_intr = p;
+ sir_intr = 32 * j + i;
+ }
+ f = ffs(level >> 1);
+ }
+ }
+ s->sir_intr[is_fiq] = sir_intr;
+}
+
+static inline void omap_inth_update(struct omap_intr_handler_s *s, int is_fiq)
+{
+ int i;
+ uint32_t has_intr = 0;
+
+ for (i = 0; i < s->nbanks; ++i)
+ has_intr |= s->bank[i].irqs & ~s->bank[i].mask &
+ (is_fiq ? s->bank[i].fiq : ~s->bank[i].fiq);
+
+ if (s->new_agr[is_fiq] & has_intr & s->mask) {
+ s->new_agr[is_fiq] = 0;
+ omap_inth_sir_update(s, is_fiq);
+ qemu_set_irq(s->parent_intr[is_fiq], 1);
+ }
+}
+
+#define INT_FALLING_EDGE 0
+#define INT_LOW_LEVEL 1
+
+static void omap_set_intr(void *opaque, int irq, int req)
+{
+ struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque;
+ uint32_t rise;
+
+ struct omap_intr_handler_bank_s *bank = &ih->bank[irq >> 5];
+ int n = irq & 31;
+
+ if (req) {
+ rise = ~bank->irqs & (1 << n);
+ if (~bank->sens_edge & (1 << n))
+ rise &= ~bank->inputs;
+
+ bank->inputs |= (1 << n);
+ if (rise) {
+ bank->irqs |= rise;
+ omap_inth_update(ih, 0);
+ omap_inth_update(ih, 1);
+ }
+ } else {
+ rise = bank->sens_edge & bank->irqs & (1 << n);
+ bank->irqs &= ~rise;
+ bank->inputs &= ~(1 << n);
+ }
+}
+
+/* Simplified version with no edge detection */
+static void omap_set_intr_noedge(void *opaque, int irq, int req)
+{
+ struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque;
+ uint32_t rise;
+
+ struct omap_intr_handler_bank_s *bank = &ih->bank[irq >> 5];
+ int n = irq & 31;
+
+ if (req) {
+ rise = ~bank->inputs & (1 << n);
+ if (rise) {
+ bank->irqs |= bank->inputs |= rise;
+ omap_inth_update(ih, 0);
+ omap_inth_update(ih, 1);
+ }
+ } else
+ bank->irqs = (bank->inputs &= ~(1 << n)) | bank->swi;
+}
+
+static uint32_t omap_inth_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
+ int i, offset = addr;
+ int bank_no = offset >> 8;
+ int line_no;
+ struct omap_intr_handler_bank_s *bank = &s->bank[bank_no];
+ offset &= 0xff;
+
+ switch (offset) {
+ case 0x00: /* ITR */
+ return bank->irqs;
+
+ case 0x04: /* MIR */
+ return bank->mask;
+
+ case 0x10: /* SIR_IRQ_CODE */
+ case 0x14: /* SIR_FIQ_CODE */
+ if (bank_no != 0)
+ break;
+ line_no = s->sir_intr[(offset - 0x10) >> 2];
+ bank = &s->bank[line_no >> 5];
+ i = line_no & 31;
+ if (((bank->sens_edge >> i) & 1) == INT_FALLING_EDGE)
+ bank->irqs &= ~(1 << i);
+ return line_no;
+
+ case 0x18: /* CONTROL_REG */
+ if (bank_no != 0)
+ break;
+ return 0;
+
+ case 0x1c: /* ILR0 */
+ case 0x20: /* ILR1 */
+ case 0x24: /* ILR2 */
+ case 0x28: /* ILR3 */
+ case 0x2c: /* ILR4 */
+ case 0x30: /* ILR5 */
+ case 0x34: /* ILR6 */
+ case 0x38: /* ILR7 */
+ case 0x3c: /* ILR8 */
+ case 0x40: /* ILR9 */
+ case 0x44: /* ILR10 */
+ case 0x48: /* ILR11 */
+ case 0x4c: /* ILR12 */
+ case 0x50: /* ILR13 */
+ case 0x54: /* ILR14 */
+ case 0x58: /* ILR15 */
+ case 0x5c: /* ILR16 */
+ case 0x60: /* ILR17 */
+ case 0x64: /* ILR18 */
+ case 0x68: /* ILR19 */
+ case 0x6c: /* ILR20 */
+ case 0x70: /* ILR21 */
+ case 0x74: /* ILR22 */
+ case 0x78: /* ILR23 */
+ case 0x7c: /* ILR24 */
+ case 0x80: /* ILR25 */
+ case 0x84: /* ILR26 */
+ case 0x88: /* ILR27 */
+ case 0x8c: /* ILR28 */
+ case 0x90: /* ILR29 */
+ case 0x94: /* ILR30 */
+ case 0x98: /* ILR31 */
+ i = (offset - 0x1c) >> 2;
+ return (bank->priority[i] << 2) |
+ (((bank->sens_edge >> i) & 1) << 1) |
+ ((bank->fiq >> i) & 1);
+
+ case 0x9c: /* ISR */
+ return 0x00000000;
+
+ }
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_inth_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
+ int i, offset = addr;
+ int bank_no = offset >> 8;
+ struct omap_intr_handler_bank_s *bank = &s->bank[bank_no];
+ offset &= 0xff;
+
+ switch (offset) {
+ case 0x00: /* ITR */
+ /* Important: ignore the clearing if the IRQ is level-triggered and
+ the input bit is 1 */
+ bank->irqs &= value | (bank->inputs & bank->sens_edge);
+ return;
+
+ case 0x04: /* MIR */
+ bank->mask = value;
+ omap_inth_update(s, 0);
+ omap_inth_update(s, 1);
+ return;
+
+ case 0x10: /* SIR_IRQ_CODE */
+ case 0x14: /* SIR_FIQ_CODE */
+ OMAP_RO_REG(addr);
+ break;
+
+ case 0x18: /* CONTROL_REG */
+ if (bank_no != 0)
+ break;
+ if (value & 2) {
+ qemu_set_irq(s->parent_intr[1], 0);
+ s->new_agr[1] = ~0;
+ omap_inth_update(s, 1);
+ }
+ if (value & 1) {
+ qemu_set_irq(s->parent_intr[0], 0);
+ s->new_agr[0] = ~0;
+ omap_inth_update(s, 0);
+ }
+ return;
+
+ case 0x1c: /* ILR0 */
+ case 0x20: /* ILR1 */
+ case 0x24: /* ILR2 */
+ case 0x28: /* ILR3 */
+ case 0x2c: /* ILR4 */
+ case 0x30: /* ILR5 */
+ case 0x34: /* ILR6 */
+ case 0x38: /* ILR7 */
+ case 0x3c: /* ILR8 */
+ case 0x40: /* ILR9 */
+ case 0x44: /* ILR10 */
+ case 0x48: /* ILR11 */
+ case 0x4c: /* ILR12 */
+ case 0x50: /* ILR13 */
+ case 0x54: /* ILR14 */
+ case 0x58: /* ILR15 */
+ case 0x5c: /* ILR16 */
+ case 0x60: /* ILR17 */
+ case 0x64: /* ILR18 */
+ case 0x68: /* ILR19 */
+ case 0x6c: /* ILR20 */
+ case 0x70: /* ILR21 */
+ case 0x74: /* ILR22 */
+ case 0x78: /* ILR23 */
+ case 0x7c: /* ILR24 */
+ case 0x80: /* ILR25 */
+ case 0x84: /* ILR26 */
+ case 0x88: /* ILR27 */
+ case 0x8c: /* ILR28 */
+ case 0x90: /* ILR29 */
+ case 0x94: /* ILR30 */
+ case 0x98: /* ILR31 */
+ i = (offset - 0x1c) >> 2;
+ bank->priority[i] = (value >> 2) & 0x1f;
+ bank->sens_edge &= ~(1 << i);
+ bank->sens_edge |= ((value >> 1) & 1) << i;
+ bank->fiq &= ~(1 << i);
+ bank->fiq |= (value & 1) << i;
+ return;
+
+ case 0x9c: /* ISR */
+ for (i = 0; i < 32; i ++)
+ if (value & (1 << i)) {
+ omap_set_intr(s, 32 * bank_no + i, 1);
+ return;
+ }
+ return;
+ }
+ OMAP_BAD_REG(addr);
+}
+
+static CPUReadMemoryFunc * const omap_inth_readfn[] = {
+ omap_badwidth_read32,
+ omap_badwidth_read32,
+ omap_inth_read,
+};
+
+static CPUWriteMemoryFunc * const omap_inth_writefn[] = {
+ omap_inth_write,
+ omap_inth_write,
+ omap_inth_write,
+};
+
+void omap_inth_reset(struct omap_intr_handler_s *s)
+{
+ int i;
+
+ for (i = 0; i < s->nbanks; ++i){
+ s->bank[i].irqs = 0x00000000;
+ s->bank[i].mask = 0xffffffff;
+ s->bank[i].sens_edge = 0x00000000;
+ s->bank[i].fiq = 0x00000000;
+ s->bank[i].inputs = 0x00000000;
+ s->bank[i].swi = 0x00000000;
+ memset(s->bank[i].priority, 0, sizeof(s->bank[i].priority));
+
+ if (s->level_only)
+ s->bank[i].sens_edge = 0xffffffff;
+ }
+
+ s->new_agr[0] = ~0;
+ s->new_agr[1] = ~0;
+ s->sir_intr[0] = 0;
+ s->sir_intr[1] = 0;
+ s->autoidle = 0;
+ s->mask = ~0;
+
+ qemu_set_irq(s->parent_intr[0], 0);
+ qemu_set_irq(s->parent_intr[1], 0);
+}
+
+struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base,
+ unsigned long size, unsigned char nbanks, qemu_irq **pins,
+ qemu_irq parent_irq, qemu_irq parent_fiq, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_intr_handler_s *s = (struct omap_intr_handler_s *)
+ qemu_mallocz(sizeof(struct omap_intr_handler_s) +
+ sizeof(struct omap_intr_handler_bank_s) * nbanks);
+
+ s->parent_intr[0] = parent_irq;
+ s->parent_intr[1] = parent_fiq;
+ s->nbanks = nbanks;
+ s->pins = qemu_allocate_irqs(omap_set_intr, s, nbanks * 32);
+ if (pins)
+ *pins = s->pins;
+
+ omap_inth_reset(s);
+
+ iomemtype = cpu_register_io_memory(omap_inth_readfn,
+ omap_inth_writefn, s);
+ cpu_register_physical_memory(base, size, iomemtype);
+
+ return s;
+}
+
+static uint32_t omap2_inth_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
+ int offset = addr;
+ int bank_no, line_no;
+ struct omap_intr_handler_bank_s *bank = NULL;
+
+ if ((offset & 0xf80) == 0x80) {
+ bank_no = (offset & 0x60) >> 5;
+ if (bank_no < s->nbanks) {
+ offset &= ~0x60;
+ bank = &s->bank[bank_no];
+ }
+ }
+
+ switch (offset) {
+ case 0x00: /* INTC_REVISION */
+ return 0x21;
+
+ case 0x10: /* INTC_SYSCONFIG */
+ return (s->autoidle >> 2) & 1;
+
+ case 0x14: /* INTC_SYSSTATUS */
+ return 1; /* RESETDONE */
+
+ case 0x40: /* INTC_SIR_IRQ */
+ return s->sir_intr[0];
+
+ case 0x44: /* INTC_SIR_FIQ */
+ return s->sir_intr[1];
+
+ case 0x48: /* INTC_CONTROL */
+ return (!s->mask) << 2; /* GLOBALMASK */
+
+ case 0x4c: /* INTC_PROTECTION */
+ return 0;
+
+ case 0x50: /* INTC_IDLE */
+ return s->autoidle & 3;
+
+ /* Per-bank registers */
+ case 0x80: /* INTC_ITR */
+ return bank->inputs;
+
+ case 0x84: /* INTC_MIR */
+ return bank->mask;
+
+ case 0x88: /* INTC_MIR_CLEAR */
+ case 0x8c: /* INTC_MIR_SET */
+ return 0;
+
+ case 0x90: /* INTC_ISR_SET */
+ return bank->swi;
+
+ case 0x94: /* INTC_ISR_CLEAR */
+ return 0;
+
+ case 0x98: /* INTC_PENDING_IRQ */
+ return bank->irqs & ~bank->mask & ~bank->fiq;
+
+ case 0x9c: /* INTC_PENDING_FIQ */
+ return bank->irqs & ~bank->mask & bank->fiq;
+
+ /* Per-line registers */
+ case 0x100 ... 0x300: /* INTC_ILR */
+ bank_no = (offset - 0x100) >> 7;
+ if (bank_no > s->nbanks)
+ break;
+ bank = &s->bank[bank_no];
+ line_no = (offset & 0x7f) >> 2;
+ return (bank->priority[line_no] << 2) |
+ ((bank->fiq >> line_no) & 1);
+ }
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap2_inth_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
+ int offset = addr;
+ int bank_no, line_no;
+ struct omap_intr_handler_bank_s *bank = NULL;
+
+ if ((offset & 0xf80) == 0x80) {
+ bank_no = (offset & 0x60) >> 5;
+ if (bank_no < s->nbanks) {
+ offset &= ~0x60;
+ bank = &s->bank[bank_no];
+ }
+ }
+
+ switch (offset) {
+ case 0x10: /* INTC_SYSCONFIG */
+ s->autoidle &= 4;
+ s->autoidle |= (value & 1) << 2;
+ if (value & 2) /* SOFTRESET */
+ omap_inth_reset(s);
+ return;
+
+ case 0x48: /* INTC_CONTROL */
+ s->mask = (value & 4) ? 0 : ~0; /* GLOBALMASK */
+ if (value & 2) { /* NEWFIQAGR */
+ qemu_set_irq(s->parent_intr[1], 0);
+ s->new_agr[1] = ~0;
+ omap_inth_update(s, 1);
+ }
+ if (value & 1) { /* NEWIRQAGR */
+ qemu_set_irq(s->parent_intr[0], 0);
+ s->new_agr[0] = ~0;
+ omap_inth_update(s, 0);
+ }
+ return;
+
+ case 0x4c: /* INTC_PROTECTION */
+ /* TODO: Make a bitmap (or sizeof(char)map) of access privileges
+ * for every register, see Chapter 3 and 4 for privileged mode. */
+ if (value & 1)
+ fprintf(stderr, "%s: protection mode enable attempt\n",
+ __FUNCTION__);
+ return;
+
+ case 0x50: /* INTC_IDLE */
+ s->autoidle &= ~3;
+ s->autoidle |= value & 3;
+ return;
+
+ /* Per-bank registers */
+ case 0x84: /* INTC_MIR */
+ bank->mask = value;
+ omap_inth_update(s, 0);
+ omap_inth_update(s, 1);
+ return;
+
+ case 0x88: /* INTC_MIR_CLEAR */
+ bank->mask &= ~value;
+ omap_inth_update(s, 0);
+ omap_inth_update(s, 1);
+ return;
+
+ case 0x8c: /* INTC_MIR_SET */
+ bank->mask |= value;
+ return;
+
+ case 0x90: /* INTC_ISR_SET */
+ bank->irqs |= bank->swi |= value;
+ omap_inth_update(s, 0);
+ omap_inth_update(s, 1);
+ return;
+
+ case 0x94: /* INTC_ISR_CLEAR */
+ bank->swi &= ~value;
+ bank->irqs = bank->swi & bank->inputs;
+ return;
+
+ /* Per-line registers */
+ case 0x100 ... 0x300: /* INTC_ILR */
+ bank_no = (offset - 0x100) >> 7;
+ if (bank_no > s->nbanks)
+ break;
+ bank = &s->bank[bank_no];
+ line_no = (offset & 0x7f) >> 2;
+ bank->priority[line_no] = (value >> 2) & 0x3f;
+ bank->fiq &= ~(1 << line_no);
+ bank->fiq |= (value & 1) << line_no;
+ return;
+
+ case 0x00: /* INTC_REVISION */
+ case 0x14: /* INTC_SYSSTATUS */
+ case 0x40: /* INTC_SIR_IRQ */
+ case 0x44: /* INTC_SIR_FIQ */
+ case 0x80: /* INTC_ITR */
+ case 0x98: /* INTC_PENDING_IRQ */
+ case 0x9c: /* INTC_PENDING_FIQ */
+ OMAP_RO_REG(addr);
+ return;
+ }
+ OMAP_BAD_REG(addr);
+}
+
+static CPUReadMemoryFunc * const omap2_inth_readfn[] = {
+ omap_badwidth_read32,
+ omap_badwidth_read32,
+ omap2_inth_read,
+};
+
+static CPUWriteMemoryFunc * const omap2_inth_writefn[] = {
+ omap2_inth_write,
+ omap2_inth_write,
+ omap2_inth_write,
+};
+
+struct omap_intr_handler_s *omap2_inth_init(target_phys_addr_t base,
+ int size, int nbanks, qemu_irq **pins,
+ qemu_irq parent_irq, qemu_irq parent_fiq,
+ omap_clk fclk, omap_clk iclk)
+{
+ int iomemtype;
+ struct omap_intr_handler_s *s = (struct omap_intr_handler_s *)
+ qemu_mallocz(sizeof(struct omap_intr_handler_s) +
+ sizeof(struct omap_intr_handler_bank_s) * nbanks);
+
+ s->parent_intr[0] = parent_irq;
+ s->parent_intr[1] = parent_fiq;
+ s->nbanks = nbanks;
+ s->level_only = 1;
+ s->pins = qemu_allocate_irqs(omap_set_intr_noedge, s, nbanks * 32);
+ if (pins)
+ *pins = s->pins;
+
+ omap_inth_reset(s);
+
+ iomemtype = cpu_register_io_memory(omap2_inth_readfn,
+ omap2_inth_writefn, s);
+ cpu_register_physical_memory(base, size, iomemtype);
+
+ return s;
+}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 14+ messages in thread* [Qemu-devel] [PATCH v2 08/12] hw/omap2.c : separate spi module
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
` (6 preceding siblings ...)
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 07/12] hw/omap1.c : separate interrupt controller module cmchao
@ 2010-05-31 15:54 ` cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 09/12] hw/omap2.c : separate tap module(Test-Chip-level) cmchao
` (4 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: cmchao @ 2010-05-31 15:54 UTC (permalink / raw)
To: qemu-devel
Signed-off-by: cmchao <cmchao@gmail.com>
---
Makefile.target | 2 +-
hw/omap.h | 2 +
hw/omap2.c | 323 ---------------------------------------------------
hw/omap_spi.c | 346 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 349 insertions(+), 324 deletions(-)
create mode 100644 hw/omap_spi.c
diff --git a/Makefile.target b/Makefile.target
index 5afafe3..d532dc8 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -265,7 +265,7 @@ obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
obj-arm-y += gumstix.o
obj-arm-y += zaurus.o ide/microdrive.o spitz.o tosa.o tc6393xb.o
obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o omap_gpio.o omap_intc.o
-obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o omap_gpmc.o omap_sdrc.o
+obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o omap_gpmc.o omap_sdrc.o omap_spi.o
obj-arm-y += omap_sx1.o palm.o tsc210x.o
obj-arm-y += nseries.o blizzard.o onenand.o vga.o cbus.o tusb6010.o usb-musb.o
obj-arm-y += mst_fpga.o mainstone.o
diff --git a/hw/omap.h b/hw/omap.h
index ea23ec9..fef495a 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -706,12 +706,14 @@ struct omap_uwire_s *omap_uwire_init(target_phys_addr_t base,
void omap_uwire_attach(struct omap_uwire_s *s,
uWireSlave *slave, int chipselect);
+/* OMAP2 spi */
struct omap_mcspi_s;
struct omap_mcspi_s *omap_mcspi_init(struct omap_target_agent_s *ta, int chnum,
qemu_irq irq, qemu_irq *drq, omap_clk fclk, omap_clk iclk);
void omap_mcspi_attach(struct omap_mcspi_s *s,
uint32_t (*txrx)(void *opaque, uint32_t, int), void *opaque,
int chipselect);
+void omap_mcspi_reset(struct omap_mcspi_s *s);
struct omap_rtc_s;
struct omap_rtc_s *omap_rtc_init(target_phys_addr_t base,
diff --git a/hw/omap2.c b/hw/omap2.c
index e6d1b52..ae6394e 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -27,329 +27,6 @@
#include "soc_dma.h"
#include "audio/audio.h"
-/* Multichannel SPI */
-struct omap_mcspi_s {
- qemu_irq irq;
- int chnum;
-
- uint32_t sysconfig;
- uint32_t systest;
- uint32_t irqst;
- uint32_t irqen;
- uint32_t wken;
- uint32_t control;
-
- struct omap_mcspi_ch_s {
- qemu_irq txdrq;
- qemu_irq rxdrq;
- uint32_t (*txrx)(void *opaque, uint32_t, int);
- void *opaque;
-
- uint32_t tx;
- uint32_t rx;
-
- uint32_t config;
- uint32_t status;
- uint32_t control;
- } ch[4];
-};
-
-static inline void omap_mcspi_interrupt_update(struct omap_mcspi_s *s)
-{
- qemu_set_irq(s->irq, s->irqst & s->irqen);
-}
-
-static inline void omap_mcspi_dmarequest_update(struct omap_mcspi_ch_s *ch)
-{
- qemu_set_irq(ch->txdrq,
- (ch->control & 1) && /* EN */
- (ch->config & (1 << 14)) && /* DMAW */
- (ch->status & (1 << 1)) && /* TXS */
- ((ch->config >> 12) & 3) != 1); /* TRM */
- qemu_set_irq(ch->rxdrq,
- (ch->control & 1) && /* EN */
- (ch->config & (1 << 15)) && /* DMAW */
- (ch->status & (1 << 0)) && /* RXS */
- ((ch->config >> 12) & 3) != 2); /* TRM */
-}
-
-static void omap_mcspi_transfer_run(struct omap_mcspi_s *s, int chnum)
-{
- struct omap_mcspi_ch_s *ch = s->ch + chnum;
-
- if (!(ch->control & 1)) /* EN */
- return;
- if ((ch->status & (1 << 0)) && /* RXS */
- ((ch->config >> 12) & 3) != 2 && /* TRM */
- !(ch->config & (1 << 19))) /* TURBO */
- goto intr_update;
- if ((ch->status & (1 << 1)) && /* TXS */
- ((ch->config >> 12) & 3) != 1) /* TRM */
- goto intr_update;
-
- if (!(s->control & 1) || /* SINGLE */
- (ch->config & (1 << 20))) { /* FORCE */
- if (ch->txrx)
- ch->rx = ch->txrx(ch->opaque, ch->tx, /* WL */
- 1 + (0x1f & (ch->config >> 7)));
- }
-
- ch->tx = 0;
- ch->status |= 1 << 2; /* EOT */
- ch->status |= 1 << 1; /* TXS */
- if (((ch->config >> 12) & 3) != 2) /* TRM */
- ch->status |= 1 << 0; /* RXS */
-
-intr_update:
- if ((ch->status & (1 << 0)) && /* RXS */
- ((ch->config >> 12) & 3) != 2 && /* TRM */
- !(ch->config & (1 << 19))) /* TURBO */
- s->irqst |= 1 << (2 + 4 * chnum); /* RX_FULL */
- if ((ch->status & (1 << 1)) && /* TXS */
- ((ch->config >> 12) & 3) != 1) /* TRM */
- s->irqst |= 1 << (0 + 4 * chnum); /* TX_EMPTY */
- omap_mcspi_interrupt_update(s);
- omap_mcspi_dmarequest_update(ch);
-}
-
-static void omap_mcspi_reset(struct omap_mcspi_s *s)
-{
- int ch;
-
- s->sysconfig = 0;
- s->systest = 0;
- s->irqst = 0;
- s->irqen = 0;
- s->wken = 0;
- s->control = 4;
-
- for (ch = 0; ch < 4; ch ++) {
- s->ch[ch].config = 0x060000;
- s->ch[ch].status = 2; /* TXS */
- s->ch[ch].control = 0;
-
- omap_mcspi_dmarequest_update(s->ch + ch);
- }
-
- omap_mcspi_interrupt_update(s);
-}
-
-static uint32_t omap_mcspi_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mcspi_s *s = (struct omap_mcspi_s *) opaque;
- int ch = 0;
- uint32_t ret;
-
- switch (addr) {
- case 0x00: /* MCSPI_REVISION */
- return 0x91;
-
- case 0x10: /* MCSPI_SYSCONFIG */
- return s->sysconfig;
-
- case 0x14: /* MCSPI_SYSSTATUS */
- return 1; /* RESETDONE */
-
- case 0x18: /* MCSPI_IRQSTATUS */
- return s->irqst;
-
- case 0x1c: /* MCSPI_IRQENABLE */
- return s->irqen;
-
- case 0x20: /* MCSPI_WAKEUPENABLE */
- return s->wken;
-
- case 0x24: /* MCSPI_SYST */
- return s->systest;
-
- case 0x28: /* MCSPI_MODULCTRL */
- return s->control;
-
- case 0x68: ch ++;
- case 0x54: ch ++;
- case 0x40: ch ++;
- case 0x2c: /* MCSPI_CHCONF */
- return s->ch[ch].config;
-
- case 0x6c: ch ++;
- case 0x58: ch ++;
- case 0x44: ch ++;
- case 0x30: /* MCSPI_CHSTAT */
- return s->ch[ch].status;
-
- case 0x70: ch ++;
- case 0x5c: ch ++;
- case 0x48: ch ++;
- case 0x34: /* MCSPI_CHCTRL */
- return s->ch[ch].control;
-
- case 0x74: ch ++;
- case 0x60: ch ++;
- case 0x4c: ch ++;
- case 0x38: /* MCSPI_TX */
- return s->ch[ch].tx;
-
- case 0x78: ch ++;
- case 0x64: ch ++;
- case 0x50: ch ++;
- case 0x3c: /* MCSPI_RX */
- s->ch[ch].status &= ~(1 << 0); /* RXS */
- ret = s->ch[ch].rx;
- omap_mcspi_transfer_run(s, ch);
- return ret;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_mcspi_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mcspi_s *s = (struct omap_mcspi_s *) opaque;
- int ch = 0;
-
- switch (addr) {
- case 0x00: /* MCSPI_REVISION */
- case 0x14: /* MCSPI_SYSSTATUS */
- case 0x30: /* MCSPI_CHSTAT0 */
- case 0x3c: /* MCSPI_RX0 */
- case 0x44: /* MCSPI_CHSTAT1 */
- case 0x50: /* MCSPI_RX1 */
- case 0x58: /* MCSPI_CHSTAT2 */
- case 0x64: /* MCSPI_RX2 */
- case 0x6c: /* MCSPI_CHSTAT3 */
- case 0x78: /* MCSPI_RX3 */
- OMAP_RO_REG(addr);
- return;
-
- case 0x10: /* MCSPI_SYSCONFIG */
- if (value & (1 << 1)) /* SOFTRESET */
- omap_mcspi_reset(s);
- s->sysconfig = value & 0x31d;
- break;
-
- case 0x18: /* MCSPI_IRQSTATUS */
- if (!((s->control & (1 << 3)) && (s->systest & (1 << 11)))) {
- s->irqst &= ~value;
- omap_mcspi_interrupt_update(s);
- }
- break;
-
- case 0x1c: /* MCSPI_IRQENABLE */
- s->irqen = value & 0x1777f;
- omap_mcspi_interrupt_update(s);
- break;
-
- case 0x20: /* MCSPI_WAKEUPENABLE */
- s->wken = value & 1;
- break;
-
- case 0x24: /* MCSPI_SYST */
- if (s->control & (1 << 3)) /* SYSTEM_TEST */
- if (value & (1 << 11)) { /* SSB */
- s->irqst |= 0x1777f;
- omap_mcspi_interrupt_update(s);
- }
- s->systest = value & 0xfff;
- break;
-
- case 0x28: /* MCSPI_MODULCTRL */
- if (value & (1 << 3)) /* SYSTEM_TEST */
- if (s->systest & (1 << 11)) { /* SSB */
- s->irqst |= 0x1777f;
- omap_mcspi_interrupt_update(s);
- }
- s->control = value & 0xf;
- break;
-
- case 0x68: ch ++;
- case 0x54: ch ++;
- case 0x40: ch ++;
- case 0x2c: /* MCSPI_CHCONF */
- if ((value ^ s->ch[ch].config) & (3 << 14)) /* DMAR | DMAW */
- omap_mcspi_dmarequest_update(s->ch + ch);
- if (((value >> 12) & 3) == 3) /* TRM */
- fprintf(stderr, "%s: invalid TRM value (3)\n", __FUNCTION__);
- if (((value >> 7) & 0x1f) < 3) /* WL */
- fprintf(stderr, "%s: invalid WL value (%i)\n",
- __FUNCTION__, (value >> 7) & 0x1f);
- s->ch[ch].config = value & 0x7fffff;
- break;
-
- case 0x70: ch ++;
- case 0x5c: ch ++;
- case 0x48: ch ++;
- case 0x34: /* MCSPI_CHCTRL */
- if (value & ~s->ch[ch].control & 1) { /* EN */
- s->ch[ch].control |= 1;
- omap_mcspi_transfer_run(s, ch);
- } else
- s->ch[ch].control = value & 1;
- break;
-
- case 0x74: ch ++;
- case 0x60: ch ++;
- case 0x4c: ch ++;
- case 0x38: /* MCSPI_TX */
- s->ch[ch].tx = value;
- s->ch[ch].status &= ~(1 << 1); /* TXS */
- omap_mcspi_transfer_run(s, ch);
- break;
-
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-static CPUReadMemoryFunc * const omap_mcspi_readfn[] = {
- omap_badwidth_read32,
- omap_badwidth_read32,
- omap_mcspi_read,
-};
-
-static CPUWriteMemoryFunc * const omap_mcspi_writefn[] = {
- omap_badwidth_write32,
- omap_badwidth_write32,
- omap_mcspi_write,
-};
-
-struct omap_mcspi_s *omap_mcspi_init(struct omap_target_agent_s *ta, int chnum,
- qemu_irq irq, qemu_irq *drq, omap_clk fclk, omap_clk iclk)
-{
- int iomemtype;
- struct omap_mcspi_s *s = (struct omap_mcspi_s *)
- qemu_mallocz(sizeof(struct omap_mcspi_s));
- struct omap_mcspi_ch_s *ch = s->ch;
-
- s->irq = irq;
- s->chnum = chnum;
- while (chnum --) {
- ch->txdrq = *drq ++;
- ch->rxdrq = *drq ++;
- ch ++;
- }
- omap_mcspi_reset(s);
-
- iomemtype = l4_register_io_memory(omap_mcspi_readfn,
- omap_mcspi_writefn, s);
- omap_l4_attach(ta, 0, iomemtype);
-
- return s;
-}
-
-void omap_mcspi_attach(struct omap_mcspi_s *s,
- uint32_t (*txrx)(void *opaque, uint32_t, int), void *opaque,
- int chipselect)
-{
- if (chipselect < 0 || chipselect >= s->chnum)
- hw_error("%s: Bad chipselect %i\n", __FUNCTION__, chipselect);
-
- s->ch[chipselect].txrx = txrx;
- s->ch[chipselect].opaque = opaque;
-}
-
/* Enhanced Audio Controller (CODEC only) */
struct omap_eac_s {
qemu_irq irq;
diff --git a/hw/omap_spi.c b/hw/omap_spi.c
new file mode 100644
index 0000000..a6b0349
--- /dev/null
+++ b/hw/omap_spi.c
@@ -0,0 +1,346 @@
+/*
+ * TI OMAP processor's Multichannel SPI emulation.
+ *
+ * Copyright (C) 2007-2009 Nokia Corporation
+ *
+ * Original code for OMAP2 by Andrzej Zaborowski <andrew@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) any later version of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#include "hw.h"
+#include "omap.h"
+
+/* Multichannel SPI */
+struct omap_mcspi_s {
+ qemu_irq irq;
+ int chnum;
+
+ uint32_t sysconfig;
+ uint32_t systest;
+ uint32_t irqst;
+ uint32_t irqen;
+ uint32_t wken;
+ uint32_t control;
+
+ struct omap_mcspi_ch_s {
+ qemu_irq txdrq;
+ qemu_irq rxdrq;
+ uint32_t (*txrx)(void *opaque, uint32_t, int);
+ void *opaque;
+
+ uint32_t tx;
+ uint32_t rx;
+
+ uint32_t config;
+ uint32_t status;
+ uint32_t control;
+ } ch[4];
+};
+
+static inline void omap_mcspi_interrupt_update(struct omap_mcspi_s *s)
+{
+ qemu_set_irq(s->irq, s->irqst & s->irqen);
+}
+
+static inline void omap_mcspi_dmarequest_update(struct omap_mcspi_ch_s *ch)
+{
+ qemu_set_irq(ch->txdrq,
+ (ch->control & 1) && /* EN */
+ (ch->config & (1 << 14)) && /* DMAW */
+ (ch->status & (1 << 1)) && /* TXS */
+ ((ch->config >> 12) & 3) != 1); /* TRM */
+ qemu_set_irq(ch->rxdrq,
+ (ch->control & 1) && /* EN */
+ (ch->config & (1 << 15)) && /* DMAW */
+ (ch->status & (1 << 0)) && /* RXS */
+ ((ch->config >> 12) & 3) != 2); /* TRM */
+}
+
+static void omap_mcspi_transfer_run(struct omap_mcspi_s *s, int chnum)
+{
+ struct omap_mcspi_ch_s *ch = s->ch + chnum;
+
+ if (!(ch->control & 1)) /* EN */
+ return;
+ if ((ch->status & (1 << 0)) && /* RXS */
+ ((ch->config >> 12) & 3) != 2 && /* TRM */
+ !(ch->config & (1 << 19))) /* TURBO */
+ goto intr_update;
+ if ((ch->status & (1 << 1)) && /* TXS */
+ ((ch->config >> 12) & 3) != 1) /* TRM */
+ goto intr_update;
+
+ if (!(s->control & 1) || /* SINGLE */
+ (ch->config & (1 << 20))) { /* FORCE */
+ if (ch->txrx)
+ ch->rx = ch->txrx(ch->opaque, ch->tx, /* WL */
+ 1 + (0x1f & (ch->config >> 7)));
+ }
+
+ ch->tx = 0;
+ ch->status |= 1 << 2; /* EOT */
+ ch->status |= 1 << 1; /* TXS */
+ if (((ch->config >> 12) & 3) != 2) /* TRM */
+ ch->status |= 1 << 0; /* RXS */
+
+intr_update:
+ if ((ch->status & (1 << 0)) && /* RXS */
+ ((ch->config >> 12) & 3) != 2 && /* TRM */
+ !(ch->config & (1 << 19))) /* TURBO */
+ s->irqst |= 1 << (2 + 4 * chnum); /* RX_FULL */
+ if ((ch->status & (1 << 1)) && /* TXS */
+ ((ch->config >> 12) & 3) != 1) /* TRM */
+ s->irqst |= 1 << (0 + 4 * chnum); /* TX_EMPTY */
+ omap_mcspi_interrupt_update(s);
+ omap_mcspi_dmarequest_update(ch);
+}
+
+void omap_mcspi_reset(struct omap_mcspi_s *s)
+{
+ int ch;
+
+ s->sysconfig = 0;
+ s->systest = 0;
+ s->irqst = 0;
+ s->irqen = 0;
+ s->wken = 0;
+ s->control = 4;
+
+ for (ch = 0; ch < 4; ch ++) {
+ s->ch[ch].config = 0x060000;
+ s->ch[ch].status = 2; /* TXS */
+ s->ch[ch].control = 0;
+
+ omap_mcspi_dmarequest_update(s->ch + ch);
+ }
+
+ omap_mcspi_interrupt_update(s);
+}
+
+static uint32_t omap_mcspi_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mcspi_s *s = (struct omap_mcspi_s *) opaque;
+ int ch = 0;
+ uint32_t ret;
+
+ switch (addr) {
+ case 0x00: /* MCSPI_REVISION */
+ return 0x91;
+
+ case 0x10: /* MCSPI_SYSCONFIG */
+ return s->sysconfig;
+
+ case 0x14: /* MCSPI_SYSSTATUS */
+ return 1; /* RESETDONE */
+
+ case 0x18: /* MCSPI_IRQSTATUS */
+ return s->irqst;
+
+ case 0x1c: /* MCSPI_IRQENABLE */
+ return s->irqen;
+
+ case 0x20: /* MCSPI_WAKEUPENABLE */
+ return s->wken;
+
+ case 0x24: /* MCSPI_SYST */
+ return s->systest;
+
+ case 0x28: /* MCSPI_MODULCTRL */
+ return s->control;
+
+ case 0x68: ch ++;
+ case 0x54: ch ++;
+ case 0x40: ch ++;
+ case 0x2c: /* MCSPI_CHCONF */
+ return s->ch[ch].config;
+
+ case 0x6c: ch ++;
+ case 0x58: ch ++;
+ case 0x44: ch ++;
+ case 0x30: /* MCSPI_CHSTAT */
+ return s->ch[ch].status;
+
+ case 0x70: ch ++;
+ case 0x5c: ch ++;
+ case 0x48: ch ++;
+ case 0x34: /* MCSPI_CHCTRL */
+ return s->ch[ch].control;
+
+ case 0x74: ch ++;
+ case 0x60: ch ++;
+ case 0x4c: ch ++;
+ case 0x38: /* MCSPI_TX */
+ return s->ch[ch].tx;
+
+ case 0x78: ch ++;
+ case 0x64: ch ++;
+ case 0x50: ch ++;
+ case 0x3c: /* MCSPI_RX */
+ s->ch[ch].status &= ~(1 << 0); /* RXS */
+ ret = s->ch[ch].rx;
+ omap_mcspi_transfer_run(s, ch);
+ return ret;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_mcspi_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mcspi_s *s = (struct omap_mcspi_s *) opaque;
+ int ch = 0;
+
+ switch (addr) {
+ case 0x00: /* MCSPI_REVISION */
+ case 0x14: /* MCSPI_SYSSTATUS */
+ case 0x30: /* MCSPI_CHSTAT0 */
+ case 0x3c: /* MCSPI_RX0 */
+ case 0x44: /* MCSPI_CHSTAT1 */
+ case 0x50: /* MCSPI_RX1 */
+ case 0x58: /* MCSPI_CHSTAT2 */
+ case 0x64: /* MCSPI_RX2 */
+ case 0x6c: /* MCSPI_CHSTAT3 */
+ case 0x78: /* MCSPI_RX3 */
+ OMAP_RO_REG(addr);
+ return;
+
+ case 0x10: /* MCSPI_SYSCONFIG */
+ if (value & (1 << 1)) /* SOFTRESET */
+ omap_mcspi_reset(s);
+ s->sysconfig = value & 0x31d;
+ break;
+
+ case 0x18: /* MCSPI_IRQSTATUS */
+ if (!((s->control & (1 << 3)) && (s->systest & (1 << 11)))) {
+ s->irqst &= ~value;
+ omap_mcspi_interrupt_update(s);
+ }
+ break;
+
+ case 0x1c: /* MCSPI_IRQENABLE */
+ s->irqen = value & 0x1777f;
+ omap_mcspi_interrupt_update(s);
+ break;
+
+ case 0x20: /* MCSPI_WAKEUPENABLE */
+ s->wken = value & 1;
+ break;
+
+ case 0x24: /* MCSPI_SYST */
+ if (s->control & (1 << 3)) /* SYSTEM_TEST */
+ if (value & (1 << 11)) { /* SSB */
+ s->irqst |= 0x1777f;
+ omap_mcspi_interrupt_update(s);
+ }
+ s->systest = value & 0xfff;
+ break;
+
+ case 0x28: /* MCSPI_MODULCTRL */
+ if (value & (1 << 3)) /* SYSTEM_TEST */
+ if (s->systest & (1 << 11)) { /* SSB */
+ s->irqst |= 0x1777f;
+ omap_mcspi_interrupt_update(s);
+ }
+ s->control = value & 0xf;
+ break;
+
+ case 0x68: ch ++;
+ case 0x54: ch ++;
+ case 0x40: ch ++;
+ case 0x2c: /* MCSPI_CHCONF */
+ if ((value ^ s->ch[ch].config) & (3 << 14)) /* DMAR | DMAW */
+ omap_mcspi_dmarequest_update(s->ch + ch);
+ if (((value >> 12) & 3) == 3) /* TRM */
+ fprintf(stderr, "%s: invalid TRM value (3)\n", __FUNCTION__);
+ if (((value >> 7) & 0x1f) < 3) /* WL */
+ fprintf(stderr, "%s: invalid WL value (%i)\n",
+ __FUNCTION__, (value >> 7) & 0x1f);
+ s->ch[ch].config = value & 0x7fffff;
+ break;
+
+ case 0x70: ch ++;
+ case 0x5c: ch ++;
+ case 0x48: ch ++;
+ case 0x34: /* MCSPI_CHCTRL */
+ if (value & ~s->ch[ch].control & 1) { /* EN */
+ s->ch[ch].control |= 1;
+ omap_mcspi_transfer_run(s, ch);
+ } else
+ s->ch[ch].control = value & 1;
+ break;
+
+ case 0x74: ch ++;
+ case 0x60: ch ++;
+ case 0x4c: ch ++;
+ case 0x38: /* MCSPI_TX */
+ s->ch[ch].tx = value;
+ s->ch[ch].status &= ~(1 << 1); /* TXS */
+ omap_mcspi_transfer_run(s, ch);
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc * const omap_mcspi_readfn[] = {
+ omap_badwidth_read32,
+ omap_badwidth_read32,
+ omap_mcspi_read,
+};
+
+static CPUWriteMemoryFunc * const omap_mcspi_writefn[] = {
+ omap_badwidth_write32,
+ omap_badwidth_write32,
+ omap_mcspi_write,
+};
+
+struct omap_mcspi_s *omap_mcspi_init(struct omap_target_agent_s *ta, int chnum,
+ qemu_irq irq, qemu_irq *drq, omap_clk fclk, omap_clk iclk)
+{
+ int iomemtype;
+ struct omap_mcspi_s *s = (struct omap_mcspi_s *)
+ qemu_mallocz(sizeof(struct omap_mcspi_s));
+ struct omap_mcspi_ch_s *ch = s->ch;
+
+ s->irq = irq;
+ s->chnum = chnum;
+ while (chnum --) {
+ ch->txdrq = *drq ++;
+ ch->rxdrq = *drq ++;
+ ch ++;
+ }
+ omap_mcspi_reset(s);
+
+ iomemtype = l4_register_io_memory(omap_mcspi_readfn,
+ omap_mcspi_writefn, s);
+ omap_l4_attach(ta, 0, iomemtype);
+
+ return s;
+}
+
+void omap_mcspi_attach(struct omap_mcspi_s *s,
+ uint32_t (*txrx)(void *opaque, uint32_t, int), void *opaque,
+ int chipselect)
+{
+ if (chipselect < 0 || chipselect >= s->chnum)
+ hw_error("%s: Bad chipselect %i\n", __FUNCTION__, chipselect);
+
+ s->ch[chipselect].txrx = txrx;
+ s->ch[chipselect].opaque = opaque;
+}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 14+ messages in thread* [Qemu-devel] [PATCH v2 09/12] hw/omap2.c : separate tap module(Test-Chip-level)
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
` (7 preceding siblings ...)
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 08/12] hw/omap2.c : separate spi module cmchao
@ 2010-05-31 15:54 ` cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 10/12] hw/omwp2.c : separate l4 interconnect module cmchao
` (3 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: cmchao @ 2010-05-31 15:54 UTC (permalink / raw)
To: qemu-devel
Signed-off-by: cmchao <cmchao@gmail.com>
---
Makefile.target | 2 +-
hw/omap2.c | 90 --------------------------------------------
hw/omap_tap.c | 112 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 113 insertions(+), 91 deletions(-)
create mode 100644 hw/omap_tap.c
diff --git a/Makefile.target b/Makefile.target
index d532dc8..b80d5e0 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -265,7 +265,7 @@ obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
obj-arm-y += gumstix.o
obj-arm-y += zaurus.o ide/microdrive.o spitz.o tosa.o tc6393xb.o
obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o omap_gpio.o omap_intc.o
-obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o omap_gpmc.o omap_sdrc.o omap_spi.o
+obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o omap_gpmc.o omap_sdrc.o omap_spi.o omap_tap.o
obj-arm-y += omap_sx1.o palm.o tsc210x.o
obj-arm-y += nseries.o blizzard.o onenand.o vga.o cbus.o tusb6010.o usb-musb.o
obj-arm-y += mst_fpga.o mainstone.o
diff --git a/hw/omap2.c b/hw/omap2.c
index ae6394e..7403077 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -1245,96 +1245,6 @@ target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
return base;
}
-/* TEST-Chip-level TAP */
-static uint32_t omap_tap_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
-
- switch (addr) {
- case 0x204: /* IDCODE_reg */
- switch (s->mpu_model) {
- case omap2420:
- case omap2422:
- case omap2423:
- return 0x5b5d902f; /* ES 2.2 */
- case omap2430:
- return 0x5b68a02f; /* ES 2.2 */
- case omap3430:
- return 0x1b7ae02f; /* ES 2 */
- default:
- hw_error("%s: Bad mpu model\n", __FUNCTION__);
- }
-
- case 0x208: /* PRODUCTION_ID_reg for OMAP2 */
- case 0x210: /* PRODUCTION_ID_reg for OMAP3 */
- switch (s->mpu_model) {
- case omap2420:
- return 0x000254f0; /* POP ESHS2.1.1 in N91/93/95, ES2 in N800 */
- case omap2422:
- return 0x000400f0;
- case omap2423:
- return 0x000800f0;
- case omap2430:
- return 0x000000f0;
- case omap3430:
- return 0x000000f0;
- default:
- hw_error("%s: Bad mpu model\n", __FUNCTION__);
- }
-
- case 0x20c:
- switch (s->mpu_model) {
- case omap2420:
- case omap2422:
- case omap2423:
- return 0xcafeb5d9; /* ES 2.2 */
- case omap2430:
- return 0xcafeb68a; /* ES 2.2 */
- case omap3430:
- return 0xcafeb7ae; /* ES 2 */
- default:
- hw_error("%s: Bad mpu model\n", __FUNCTION__);
- }
-
- case 0x218: /* DIE_ID_reg */
- return ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
- case 0x21c: /* DIE_ID_reg */
- return 0x54 << 24;
- case 0x220: /* DIE_ID_reg */
- return ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
- case 0x224: /* DIE_ID_reg */
- return ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_tap_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- OMAP_BAD_REG(addr);
-}
-
-static CPUReadMemoryFunc * const omap_tap_readfn[] = {
- omap_badwidth_read32,
- omap_badwidth_read32,
- omap_tap_read,
-};
-
-static CPUWriteMemoryFunc * const omap_tap_writefn[] = {
- omap_badwidth_write32,
- omap_badwidth_write32,
- omap_tap_write,
-};
-
-void omap_tap_init(struct omap_target_agent_s *ta,
- struct omap_mpu_state_s *mpu)
-{
- omap_l4_attach(ta, 0, l4_register_io_memory(
- omap_tap_readfn, omap_tap_writefn, mpu));
-}
-
/* Power, Reset, and Clock Management */
struct omap_prcm_s {
qemu_irq irq[3];
diff --git a/hw/omap_tap.c b/hw/omap_tap.c
new file mode 100644
index 0000000..1f18ddd
--- /dev/null
+++ b/hw/omap_tap.c
@@ -0,0 +1,112 @@
+/*
+ * TI OMAP TEST-Chip-level TAP emulation.
+ *
+ * Copyright (C) 2007-2008 Nokia Corporation
+ * Written by Andrzej Zaborowski <andrew@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) any later version of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "hw.h"
+#include "omap.h"
+
+/* TEST-Chip-level TAP */
+static uint32_t omap_tap_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+
+ switch (addr) {
+ case 0x204: /* IDCODE_reg */
+ switch (s->mpu_model) {
+ case omap2420:
+ case omap2422:
+ case omap2423:
+ return 0x5b5d902f; /* ES 2.2 */
+ case omap2430:
+ return 0x5b68a02f; /* ES 2.2 */
+ case omap3430:
+ return 0x1b7ae02f; /* ES 2 */
+ default:
+ hw_error("%s: Bad mpu model\n", __FUNCTION__);
+ }
+
+ case 0x208: /* PRODUCTION_ID_reg for OMAP2 */
+ case 0x210: /* PRODUCTION_ID_reg for OMAP3 */
+ switch (s->mpu_model) {
+ case omap2420:
+ return 0x000254f0; /* POP ESHS2.1.1 in N91/93/95, ES2 in N800 */
+ case omap2422:
+ return 0x000400f0;
+ case omap2423:
+ return 0x000800f0;
+ case omap2430:
+ return 0x000000f0;
+ case omap3430:
+ return 0x000000f0;
+ default:
+ hw_error("%s: Bad mpu model\n", __FUNCTION__);
+ }
+
+ case 0x20c:
+ switch (s->mpu_model) {
+ case omap2420:
+ case omap2422:
+ case omap2423:
+ return 0xcafeb5d9; /* ES 2.2 */
+ case omap2430:
+ return 0xcafeb68a; /* ES 2.2 */
+ case omap3430:
+ return 0xcafeb7ae; /* ES 2 */
+ default:
+ hw_error("%s: Bad mpu model\n", __FUNCTION__);
+ }
+
+ case 0x218: /* DIE_ID_reg */
+ return ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
+ case 0x21c: /* DIE_ID_reg */
+ return 0x54 << 24;
+ case 0x220: /* DIE_ID_reg */
+ return ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
+ case 0x224: /* DIE_ID_reg */
+ return ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_tap_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ OMAP_BAD_REG(addr);
+}
+
+static CPUReadMemoryFunc * const omap_tap_readfn[] = {
+ omap_badwidth_read32,
+ omap_badwidth_read32,
+ omap_tap_read,
+};
+
+static CPUWriteMemoryFunc * const omap_tap_writefn[] = {
+ omap_badwidth_write32,
+ omap_badwidth_write32,
+ omap_tap_write,
+};
+
+void omap_tap_init(struct omap_target_agent_s *ta,
+ struct omap_mpu_state_s *mpu)
+{
+ omap_l4_attach(ta, 0, l4_register_io_memory(
+ omap_tap_readfn, omap_tap_writefn, mpu));
+}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 14+ messages in thread* [Qemu-devel] [PATCH v2 10/12] hw/omwp2.c : separate l4 interconnect module
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
` (8 preceding siblings ...)
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 09/12] hw/omap2.c : separate tap module(Test-Chip-level) cmchao
@ 2010-05-31 15:54 ` cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 11/12] hw/omap1.c : separate uart module cmchao
` (2 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: cmchao @ 2010-05-31 15:54 UTC (permalink / raw)
To: qemu-devel
Signed-off-by: cmchao <cmchao@gmail.com>
---
Makefile.target | 3 +-
hw/omap.h | 37 ++++++--
hw/omap2.c | 269 ++-----------------------------------------------------
hw/omap_l4.c | 271 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 307 insertions(+), 273 deletions(-)
create mode 100644 hw/omap_l4.c
diff --git a/Makefile.target b/Makefile.target
index b80d5e0..55dbf67 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -265,7 +265,8 @@ obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
obj-arm-y += gumstix.o
obj-arm-y += zaurus.o ide/microdrive.o spitz.o tosa.o tc6393xb.o
obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o omap_gpio.o omap_intc.o
-obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o omap_gpmc.o omap_sdrc.o omap_spi.o omap_tap.o
+obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o \
+ omap_gpmc.o omap_sdrc.o omap_spi.o omap_tap.o omap_l4.o
obj-arm-y += omap_sx1.o palm.o tsc210x.o
obj-arm-y += nseries.o blizzard.o onenand.o vga.o cbus.o tusb6010.o usb-musb.o
obj-arm-y += mst_fpga.o mainstone.o
diff --git a/hw/omap.h b/hw/omap.h
index fef495a..34443b4 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -61,15 +61,40 @@ void omap_clk_setrate(omap_clk clk, int divide, int multiply);
int64_t omap_clk_getrate(omap_clk clk);
void omap_clk_reparent(omap_clk clk, omap_clk parent);
-/* omap[123].c */
+/* OMAP2 l4 Interconnect */
struct omap_l4_s;
+struct omap_l4_region_s {
+ target_phys_addr_t offset;
+ size_t size;
+ int access;
+};
+struct omap_l4_agent_info_s {
+ int ta;
+ int region;
+ int regions;
+ int ta_region;
+};
+struct omap_target_agent_s {
+ struct omap_l4_s *bus;
+ int regions;
+ const struct omap_l4_region_s *start;
+ target_phys_addr_t base;
+ uint32_t component;
+ uint32_t control;
+ uint32_t status;
+};
struct omap_l4_s *omap_l4_init(target_phys_addr_t base, int ta_num);
struct omap_target_agent_s;
-struct omap_target_agent_s *omap_l4ta_get(struct omap_l4_s *bus, int cs);
+struct omap_target_agent_s *omap_l4ta_get(
+ struct omap_l4_s *bus,
+ const struct omap_l4_region_s *regions,
+ const struct omap_l4_agent_info_s *agents,
+ int cs);
target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
int iotype);
-# define l4_register_io_memory cpu_register_io_memory
+int l4_register_io_memory(CPUReadMemoryFunc * const *mem_read,
+ CPUWriteMemoryFunc * const *mem_write, void *opaque);
/* OMAP interrupt controller */
struct omap_intr_handler_s;
@@ -1146,10 +1171,4 @@ inline static int debug_register_io_memory(CPUReadMemoryFunc * const *mem_read,
/* Define when we want to reduce the number of IO regions registered. */
/*# define L4_MUX_HACK*/
-# ifdef L4_MUX_HACK
-# undef l4_register_io_memory
-int l4_register_io_memory(CPUReadMemoryFunc * const *mem_read,
- CPUWriteMemoryFunc * const *mem_write, void *opaque);
-# endif
-
#endif /* hw_omap_h */
diff --git a/hw/omap2.c b/hw/omap2.c
index 7403077..9bac954 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -795,195 +795,10 @@ static struct omap_sti_s *omap_sti_init(struct omap_target_agent_s *ta,
}
/* L4 Interconnect */
-struct omap_target_agent_s {
- struct omap_l4_s *bus;
- int regions;
- struct omap_l4_region_s *start;
- target_phys_addr_t base;
- uint32_t component;
- uint32_t control;
- uint32_t status;
-};
-
-struct omap_l4_s {
- target_phys_addr_t base;
- int ta_num;
- struct omap_target_agent_s ta[0];
-};
-
-#ifdef L4_MUX_HACK
-static int omap_l4_io_entries;
-static int omap_cpu_io_entry;
-static struct omap_l4_entry {
- CPUReadMemoryFunc * const *mem_read;
- CPUWriteMemoryFunc * const *mem_write;
- void *opaque;
-} *omap_l4_io_entry;
-static CPUReadMemoryFunc * const *omap_l4_io_readb_fn;
-static CPUReadMemoryFunc * const *omap_l4_io_readh_fn;
-static CPUReadMemoryFunc * const *omap_l4_io_readw_fn;
-static CPUWriteMemoryFunc * const *omap_l4_io_writeb_fn;
-static CPUWriteMemoryFunc * const *omap_l4_io_writeh_fn;
-static CPUWriteMemoryFunc * const *omap_l4_io_writew_fn;
-static void **omap_l4_io_opaque;
-
-int l4_register_io_memory(CPUReadMemoryFunc * const *mem_read,
- CPUWriteMemoryFunc * const *mem_write, void *opaque)
-{
- omap_l4_io_entry[omap_l4_io_entries].mem_read = mem_read;
- omap_l4_io_entry[omap_l4_io_entries].mem_write = mem_write;
- omap_l4_io_entry[omap_l4_io_entries].opaque = opaque;
-
- return omap_l4_io_entries ++;
-}
-
-static uint32_t omap_l4_io_readb(void *opaque, target_phys_addr_t addr)
-{
- unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
-
- return omap_l4_io_readb_fn[i](omap_l4_io_opaque[i], addr);
-}
-
-static uint32_t omap_l4_io_readh(void *opaque, target_phys_addr_t addr)
-{
- unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
-
- return omap_l4_io_readh_fn[i](omap_l4_io_opaque[i], addr);
-}
-
-static uint32_t omap_l4_io_readw(void *opaque, target_phys_addr_t addr)
-{
- unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
-
- return omap_l4_io_readw_fn[i](omap_l4_io_opaque[i], addr);
-}
-
-static void omap_l4_io_writeb(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
-
- return omap_l4_io_writeb_fn[i](omap_l4_io_opaque[i], addr, value);
-}
-
-static void omap_l4_io_writeh(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
-
- return omap_l4_io_writeh_fn[i](omap_l4_io_opaque[i], addr, value);
-}
-
-static void omap_l4_io_writew(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
-
- return omap_l4_io_writew_fn[i](omap_l4_io_opaque[i], addr, value);
-}
-
-static CPUReadMemoryFunc * const omap_l4_io_readfn[] = {
- omap_l4_io_readb,
- omap_l4_io_readh,
- omap_l4_io_readw,
-};
-
-static CPUWriteMemoryFunc * const omap_l4_io_writefn[] = {
- omap_l4_io_writeb,
- omap_l4_io_writeh,
- omap_l4_io_writew,
-};
-#endif
-
-struct omap_l4_s *omap_l4_init(target_phys_addr_t base, int ta_num)
-{
- struct omap_l4_s *bus = qemu_mallocz(
- sizeof(*bus) + ta_num * sizeof(*bus->ta));
-
- bus->ta_num = ta_num;
- bus->base = base;
-
-#ifdef L4_MUX_HACK
- omap_l4_io_entries = 1;
- omap_l4_io_entry = qemu_mallocz(125 * sizeof(*omap_l4_io_entry));
-
- omap_cpu_io_entry =
- cpu_register_io_memory(omap_l4_io_readfn,
- omap_l4_io_writefn, bus);
-# define L4_PAGES (0xb4000 / TARGET_PAGE_SIZE)
- omap_l4_io_readb_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
- omap_l4_io_readh_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
- omap_l4_io_readw_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
- omap_l4_io_writeb_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
- omap_l4_io_writeh_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
- omap_l4_io_writew_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
- omap_l4_io_opaque = qemu_mallocz(sizeof(void *) * L4_PAGES);
-#endif
-
- return bus;
-}
-
-static uint32_t omap_l4ta_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_target_agent_s *s = (struct omap_target_agent_s *) opaque;
-
- switch (addr) {
- case 0x00: /* COMPONENT */
- return s->component;
-
- case 0x20: /* AGENT_CONTROL */
- return s->control;
-
- case 0x28: /* AGENT_STATUS */
- return s->status;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_l4ta_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_target_agent_s *s = (struct omap_target_agent_s *) opaque;
-
- switch (addr) {
- case 0x00: /* COMPONENT */
- case 0x28: /* AGENT_STATUS */
- OMAP_RO_REG(addr);
- break;
-
- case 0x20: /* AGENT_CONTROL */
- s->control = value & 0x01000700;
- if (value & 1) /* OCP_RESET */
- s->status &= ~1; /* REQ_TIMEOUT */
- break;
-
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc * const omap_l4ta_readfn[] = {
- omap_badwidth_read16,
- omap_l4ta_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc * const omap_l4ta_writefn[] = {
- omap_badwidth_write32,
- omap_badwidth_write32,
- omap_l4ta_write,
-};
-
#define L4TA(n) (n)
#define L4TAO(n) ((n) + 39)
-static struct omap_l4_region_s {
- target_phys_addr_t offset;
- size_t size;
- int access;
-} omap_l4_region[125] = {
+static const struct omap_l4_region_s omap_l4_region[125] = {
[ 1] = { 0x40800, 0x800, 32 }, /* Initiator agent */
[ 2] = { 0x41000, 0x1000, 32 }, /* Link agent */
[ 0] = { 0x40000, 0x800, 32 }, /* Address and protection */
@@ -1111,12 +926,7 @@ static struct omap_l4_region_s {
[124] = { 0xb3000, 0x1000, 32 | 16 | 8 }, /* L4TA39 */
};
-static struct omap_l4_agent_info_s {
- int ta;
- int region;
- int regions;
- int ta_region;
-} omap_l4_agent_info[54] = {
+static const struct omap_l4_agent_info_s omap_l4_agent_info[54] = {
{ 0, 0, 3, 2 }, /* L4IA initiatior agent */
{ L4TAO(1), 3, 2, 1 }, /* Control and pinout module */
{ L4TAO(2), 5, 2, 1 }, /* 32K timer */
@@ -1173,77 +983,10 @@ static struct omap_l4_agent_info_s {
{ L4TA(39), 123, 2, 1 }, /* HDQ/1-Wire */
};
-#define omap_l4ta(bus, cs) omap_l4ta_get(bus, L4TA(cs))
-#define omap_l4tao(bus, cs) omap_l4ta_get(bus, L4TAO(cs))
-
-struct omap_target_agent_s *omap_l4ta_get(struct omap_l4_s *bus, int cs)
-{
- int i, iomemtype;
- struct omap_target_agent_s *ta = NULL;
- struct omap_l4_agent_info_s *info = NULL;
-
- for (i = 0; i < bus->ta_num; i ++)
- if (omap_l4_agent_info[i].ta == cs) {
- ta = &bus->ta[i];
- info = &omap_l4_agent_info[i];
- break;
- }
- if (!ta) {
- fprintf(stderr, "%s: bad target agent (%i)\n", __FUNCTION__, cs);
- exit(-1);
- }
-
- ta->bus = bus;
- ta->start = &omap_l4_region[info->region];
- ta->regions = info->regions;
-
- ta->component = ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
- ta->status = 0x00000000;
- ta->control = 0x00000200; /* XXX 01000200 for L4TAO */
-
- iomemtype = l4_register_io_memory(omap_l4ta_readfn,
- omap_l4ta_writefn, ta);
- ta->base = omap_l4_attach(ta, info->ta_region, iomemtype);
-
- return ta;
-}
-
-target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
- int iotype)
-{
- target_phys_addr_t base;
- ssize_t size;
-#ifdef L4_MUX_HACK
- int i;
-#endif
-
- if (region < 0 || region >= ta->regions) {
- fprintf(stderr, "%s: bad io region (%i)\n", __FUNCTION__, region);
- exit(-1);
- }
-
- base = ta->bus->base + ta->start[region].offset;
- size = ta->start[region].size;
- if (iotype) {
-#ifndef L4_MUX_HACK
- cpu_register_physical_memory(base, size, iotype);
-#else
- cpu_register_physical_memory(base, size, omap_cpu_io_entry);
- i = (base - ta->bus->base) / TARGET_PAGE_SIZE;
- for (; size > 0; size -= TARGET_PAGE_SIZE, i ++) {
- omap_l4_io_readb_fn[i] = omap_l4_io_entry[iotype].mem_read[0];
- omap_l4_io_readh_fn[i] = omap_l4_io_entry[iotype].mem_read[1];
- omap_l4_io_readw_fn[i] = omap_l4_io_entry[iotype].mem_read[2];
- omap_l4_io_writeb_fn[i] = omap_l4_io_entry[iotype].mem_write[0];
- omap_l4_io_writeh_fn[i] = omap_l4_io_entry[iotype].mem_write[1];
- omap_l4_io_writew_fn[i] = omap_l4_io_entry[iotype].mem_write[2];
- omap_l4_io_opaque[i] = omap_l4_io_entry[iotype].opaque;
- }
-#endif
- }
-
- return base;
-}
+#define omap_l4ta(bus, cs) \
+ omap_l4ta_get(bus, omap_l4_region, omap_l4_agent_info, L4TA(cs))
+#define omap_l4tao(bus, cs) \
+ omap_l4ta_get(bus, omap_l4_region, omap_l4_agent_info, L4TAO(cs))
/* Power, Reset, and Clock Management */
struct omap_prcm_s {
diff --git a/hw/omap_l4.c b/hw/omap_l4.c
new file mode 100644
index 0000000..bf8ba36
--- /dev/null
+++ b/hw/omap_l4.c
@@ -0,0 +1,271 @@
+/*
+ * TI OMAP L4 interconnect emulation.
+ *
+ * Copyright (C) 2007-2009 Nokia Corporation
+ * Written by Andrzej Zaborowski <andrew@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) any later version of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "hw.h"
+#include "omap.h"
+
+#ifdef L4_MUX_HACK
+static int omap_l4_io_entries;
+static int omap_cpu_io_entry;
+static struct omap_l4_entry {
+ CPUReadMemoryFunc * const *mem_read;
+ CPUWriteMemoryFunc * const *mem_write;
+ void *opaque;
+} *omap_l4_io_entry;
+static CPUReadMemoryFunc * const *omap_l4_io_readb_fn;
+static CPUReadMemoryFunc * const *omap_l4_io_readh_fn;
+static CPUReadMemoryFunc * const *omap_l4_io_readw_fn;
+static CPUWriteMemoryFunc * const *omap_l4_io_writeb_fn;
+static CPUWriteMemoryFunc * const *omap_l4_io_writeh_fn;
+static CPUWriteMemoryFunc * const *omap_l4_io_writew_fn;
+static void **omap_l4_io_opaque;
+
+int l4_register_io_memory(CPUReadMemoryFunc * const *mem_read,
+ CPUWriteMemoryFunc * const *mem_write, void *opaque)
+{
+ omap_l4_io_entry[omap_l4_io_entries].mem_read = mem_read;
+ omap_l4_io_entry[omap_l4_io_entries].mem_write = mem_write;
+ omap_l4_io_entry[omap_l4_io_entries].opaque = opaque;
+
+ return omap_l4_io_entries ++;
+}
+
+static uint32_t omap_l4_io_readb(void *opaque, target_phys_addr_t addr)
+{
+ unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
+
+ return omap_l4_io_readb_fn[i](omap_l4_io_opaque[i], addr);
+}
+
+static uint32_t omap_l4_io_readh(void *opaque, target_phys_addr_t addr)
+{
+ unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
+
+ return omap_l4_io_readh_fn[i](omap_l4_io_opaque[i], addr);
+}
+
+static uint32_t omap_l4_io_readw(void *opaque, target_phys_addr_t addr)
+{
+ unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
+
+ return omap_l4_io_readw_fn[i](omap_l4_io_opaque[i], addr);
+}
+
+static void omap_l4_io_writeb(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
+
+ return omap_l4_io_writeb_fn[i](omap_l4_io_opaque[i], addr, value);
+}
+
+static void omap_l4_io_writeh(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
+
+ return omap_l4_io_writeh_fn[i](omap_l4_io_opaque[i], addr, value);
+}
+
+static void omap_l4_io_writew(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
+
+ return omap_l4_io_writew_fn[i](omap_l4_io_opaque[i], addr, value);
+}
+
+static CPUReadMemoryFunc * const omap_l4_io_readfn[] = {
+ omap_l4_io_readb,
+ omap_l4_io_readh,
+ omap_l4_io_readw,
+};
+
+static CPUWriteMemoryFunc * const omap_l4_io_writefn[] = {
+ omap_l4_io_writeb,
+ omap_l4_io_writeh,
+ omap_l4_io_writew,
+};
+#else
+int l4_register_io_memory(CPUReadMemoryFunc * const *mem_read,
+ CPUWriteMemoryFunc * const *mem_write,
+ void *opaque)
+{
+ return cpu_register_io_memory(mem_read, mem_write, opaque);
+}
+#endif
+
+struct omap_l4_s {
+ target_phys_addr_t base;
+ int ta_num;
+ struct omap_target_agent_s ta[0];
+};
+
+struct omap_l4_s *omap_l4_init(target_phys_addr_t base, int ta_num)
+{
+ struct omap_l4_s *bus = qemu_mallocz(
+ sizeof(*bus) + ta_num * sizeof(*bus->ta));
+
+ bus->ta_num = ta_num;
+ bus->base = base;
+
+#ifdef L4_MUX_HACK
+ omap_l4_io_entries = 1;
+ omap_l4_io_entry = qemu_mallocz(125 * sizeof(*omap_l4_io_entry));
+
+ omap_cpu_io_entry =
+ cpu_register_io_memory(omap_l4_io_readfn,
+ omap_l4_io_writefn, bus);
+# define L4_PAGES (0xb4000 / TARGET_PAGE_SIZE)
+ omap_l4_io_readb_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
+ omap_l4_io_readh_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
+ omap_l4_io_readw_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
+ omap_l4_io_writeb_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
+ omap_l4_io_writeh_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
+ omap_l4_io_writew_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
+ omap_l4_io_opaque = qemu_mallocz(sizeof(void *) * L4_PAGES);
+#endif
+
+ return bus;
+}
+
+static uint32_t omap_l4ta_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_target_agent_s *s = (struct omap_target_agent_s *) opaque;
+
+ switch (addr) {
+ case 0x00: /* COMPONENT */
+ return s->component;
+
+ case 0x20: /* AGENT_CONTROL */
+ return s->control;
+
+ case 0x28: /* AGENT_STATUS */
+ return s->status;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_l4ta_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_target_agent_s *s = (struct omap_target_agent_s *) opaque;
+
+ switch (addr) {
+ case 0x00: /* COMPONENT */
+ case 0x28: /* AGENT_STATUS */
+ OMAP_RO_REG(addr);
+ break;
+
+ case 0x20: /* AGENT_CONTROL */
+ s->control = value & 0x01000700;
+ if (value & 1) /* OCP_RESET */
+ s->status &= ~1; /* REQ_TIMEOUT */
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc * const omap_l4ta_readfn[] = {
+ omap_badwidth_read16,
+ omap_l4ta_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc * const omap_l4ta_writefn[] = {
+ omap_badwidth_write32,
+ omap_badwidth_write32,
+ omap_l4ta_write,
+};
+
+struct omap_target_agent_s *omap_l4ta_get(struct omap_l4_s *bus,
+ const struct omap_l4_region_s *regions,
+ const struct omap_l4_agent_info_s *agents,
+ int cs)
+{
+ int i, iomemtype;
+ struct omap_target_agent_s *ta = NULL;
+ const struct omap_l4_agent_info_s *info = NULL;
+
+ for (i = 0; i < bus->ta_num; i ++)
+ if (agents[i].ta == cs) {
+ ta = &bus->ta[i];
+ info = &agents[i];
+ break;
+ }
+ if (!ta) {
+ fprintf(stderr, "%s: bad target agent (%i)\n", __FUNCTION__, cs);
+ exit(-1);
+ }
+
+ ta->bus = bus;
+ ta->start = ®ions[info->region];
+ ta->regions = info->regions;
+
+ ta->component = ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
+ ta->status = 0x00000000;
+ ta->control = 0x00000200; /* XXX 01000200 for L4TAO */
+
+ iomemtype = l4_register_io_memory(omap_l4ta_readfn,
+ omap_l4ta_writefn, ta);
+ ta->base = omap_l4_attach(ta, info->ta_region, iomemtype);
+
+ return ta;
+}
+
+target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
+ int iotype)
+{
+ target_phys_addr_t base;
+ ssize_t size;
+#ifdef L4_MUX_HACK
+ int i;
+#endif
+
+ if (region < 0 || region >= ta->regions) {
+ fprintf(stderr, "%s: bad io region (%i)\n", __FUNCTION__, region);
+ exit(-1);
+ }
+
+ base = ta->bus->base + ta->start[region].offset;
+ size = ta->start[region].size;
+ if (iotype) {
+#ifndef L4_MUX_HACK
+ cpu_register_physical_memory(base, size, iotype);
+#else
+ cpu_register_physical_memory(base, size, omap_cpu_io_entry);
+ i = (base - ta->bus->base) / TARGET_PAGE_SIZE;
+ for (; size > 0; size -= TARGET_PAGE_SIZE, i ++) {
+ omap_l4_io_readb_fn[i] = omap_l4_io_entry[iotype].mem_read[0];
+ omap_l4_io_readh_fn[i] = omap_l4_io_entry[iotype].mem_read[1];
+ omap_l4_io_readw_fn[i] = omap_l4_io_entry[iotype].mem_read[2];
+ omap_l4_io_writeb_fn[i] = omap_l4_io_entry[iotype].mem_write[0];
+ omap_l4_io_writeh_fn[i] = omap_l4_io_entry[iotype].mem_write[1];
+ omap_l4_io_writew_fn[i] = omap_l4_io_entry[iotype].mem_write[2];
+ omap_l4_io_opaque[i] = omap_l4_io_entry[iotype].opaque;
+ }
+#endif
+ }
+
+ return base;
+}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 14+ messages in thread* [Qemu-devel] [PATCH v2 11/12] hw/omap1.c : separate uart module
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
` (9 preceding siblings ...)
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 10/12] hw/omwp2.c : separate l4 interconnect module cmchao
@ 2010-05-31 15:54 ` cmchao
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 12/12] hw/omap : make local function static and remove declaration from header cmchao
2010-06-30 18:42 ` [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation Aurelien Jarno
12 siblings, 0 replies; 14+ messages in thread
From: cmchao @ 2010-05-31 15:54 UTC (permalink / raw)
To: qemu-devel
Signed-off-by: cmchao <cmchao@gmail.com>
---
Makefile.target | 3 +-
hw/omap1.c | 170 ------------------------------------------------
hw/omap_uart.c | 194 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 196 insertions(+), 171 deletions(-)
create mode 100644 hw/omap_uart.c
diff --git a/Makefile.target b/Makefile.target
index 55dbf67..b86a110 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -264,7 +264,8 @@ obj-arm-y += pxa2xx.o pxa2xx_pic.o pxa2xx_gpio.o pxa2xx_timer.o pxa2xx_dma.o
obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
obj-arm-y += gumstix.o
obj-arm-y += zaurus.o ide/microdrive.o spitz.o tosa.o tc6393xb.o
-obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o omap_gpio.o omap_intc.o
+obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o \
+ omap_gpio.o omap_intc.o omap_uart.o
obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o \
omap_gpmc.o omap_sdrc.o omap_spi.o omap_tap.o omap_l4.o
obj-arm-y += omap_sx1.o palm.o tsc210x.o
diff --git a/hw/omap1.c b/hw/omap1.c
index 21c53fe..301eec5 100644
--- a/hw/omap1.c
+++ b/hw/omap1.c
@@ -1378,176 +1378,6 @@ static void omap_dpll_init(struct dpll_ctl_s *s, target_phys_addr_t base,
cpu_register_physical_memory(base, 0x100, iomemtype);
}
-/* UARTs */
-struct omap_uart_s {
- target_phys_addr_t base;
- SerialState *serial; /* TODO */
- struct omap_target_agent_s *ta;
- omap_clk fclk;
- qemu_irq irq;
-
- uint8_t eblr;
- uint8_t syscontrol;
- uint8_t wkup;
- uint8_t cfps;
- uint8_t mdr[2];
- uint8_t scr;
- uint8_t clksel;
-};
-
-void omap_uart_reset(struct omap_uart_s *s)
-{
- s->eblr = 0x00;
- s->syscontrol = 0;
- s->wkup = 0x3f;
- s->cfps = 0x69;
- s->clksel = 0;
-}
-
-struct omap_uart_s *omap_uart_init(target_phys_addr_t base,
- qemu_irq irq, omap_clk fclk, omap_clk iclk,
- qemu_irq txdma, qemu_irq rxdma, CharDriverState *chr)
-{
- struct omap_uart_s *s = (struct omap_uart_s *)
- qemu_mallocz(sizeof(struct omap_uart_s));
-
- s->base = base;
- s->fclk = fclk;
- s->irq = irq;
-#ifdef TARGET_WORDS_BIGENDIAN
- s->serial = serial_mm_init(base, 2, irq, omap_clk_getrate(fclk)/16,
- chr ?: qemu_chr_open("null", "null", NULL), 1,
- 1);
-#else
- s->serial = serial_mm_init(base, 2, irq, omap_clk_getrate(fclk)/16,
- chr ?: qemu_chr_open("null", "null", NULL), 1,
- 0);
-#endif
- return s;
-}
-
-static uint32_t omap_uart_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_uart_s *s = (struct omap_uart_s *) opaque;
-
- addr &= 0xff;
- switch (addr) {
- case 0x20: /* MDR1 */
- return s->mdr[0];
- case 0x24: /* MDR2 */
- return s->mdr[1];
- case 0x40: /* SCR */
- return s->scr;
- case 0x44: /* SSR */
- return 0x0;
- case 0x48: /* EBLR (OMAP2) */
- return s->eblr;
- case 0x4C: /* OSC_12M_SEL (OMAP1) */
- return s->clksel;
- case 0x50: /* MVR */
- return 0x30;
- case 0x54: /* SYSC (OMAP2) */
- return s->syscontrol;
- case 0x58: /* SYSS (OMAP2) */
- return 1;
- case 0x5c: /* WER (OMAP2) */
- return s->wkup;
- case 0x60: /* CFPS (OMAP2) */
- return s->cfps;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_uart_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_uart_s *s = (struct omap_uart_s *) opaque;
-
- addr &= 0xff;
- switch (addr) {
- case 0x20: /* MDR1 */
- s->mdr[0] = value & 0x7f;
- break;
- case 0x24: /* MDR2 */
- s->mdr[1] = value & 0xff;
- break;
- case 0x40: /* SCR */
- s->scr = value & 0xff;
- break;
- case 0x48: /* EBLR (OMAP2) */
- s->eblr = value & 0xff;
- break;
- case 0x4C: /* OSC_12M_SEL (OMAP1) */
- s->clksel = value & 1;
- break;
- case 0x44: /* SSR */
- case 0x50: /* MVR */
- case 0x58: /* SYSS (OMAP2) */
- OMAP_RO_REG(addr);
- break;
- case 0x54: /* SYSC (OMAP2) */
- s->syscontrol = value & 0x1d;
- if (value & 2)
- omap_uart_reset(s);
- break;
- case 0x5c: /* WER (OMAP2) */
- s->wkup = value & 0x7f;
- break;
- case 0x60: /* CFPS (OMAP2) */
- s->cfps = value & 0xff;
- break;
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc * const omap_uart_readfn[] = {
- omap_uart_read,
- omap_uart_read,
- omap_badwidth_read8,
-};
-
-static CPUWriteMemoryFunc * const omap_uart_writefn[] = {
- omap_uart_write,
- omap_uart_write,
- omap_badwidth_write8,
-};
-
-struct omap_uart_s *omap2_uart_init(struct omap_target_agent_s *ta,
- qemu_irq irq, omap_clk fclk, omap_clk iclk,
- qemu_irq txdma, qemu_irq rxdma, CharDriverState *chr)
-{
- target_phys_addr_t base = omap_l4_attach(ta, 0, 0);
- struct omap_uart_s *s = omap_uart_init(base, irq,
- fclk, iclk, txdma, rxdma, chr);
- int iomemtype = cpu_register_io_memory(omap_uart_readfn,
- omap_uart_writefn, s);
-
- s->ta = ta;
-
- cpu_register_physical_memory(base + 0x20, 0x100, iomemtype);
-
- return s;
-}
-
-void omap_uart_attach(struct omap_uart_s *s, CharDriverState *chr)
-{
- /* TODO: Should reuse or destroy current s->serial */
-#ifdef TARGET_WORDS_BIGENDIAN
- s->serial = serial_mm_init(s->base, 2, s->irq,
- omap_clk_getrate(s->fclk) / 16,
- chr ?: qemu_chr_open("null", "null", NULL), 1,
- 1);
-#else
- s->serial = serial_mm_init(s->base, 2, s->irq,
- omap_clk_getrate(s->fclk) / 16,
- chr ?: qemu_chr_open("null", "null", NULL), 1,
- 0);
-#endif
-}
-
/* MPU Clock/Reset/Power Mode Control */
static uint32_t omap_clkm_read(void *opaque, target_phys_addr_t addr)
{
diff --git a/hw/omap_uart.c b/hw/omap_uart.c
new file mode 100644
index 0000000..395bf0c
--- /dev/null
+++ b/hw/omap_uart.c
@@ -0,0 +1,194 @@
+/*
+ * TI OMAP processors UART emulation.
+ *
+ * Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org>
+ * Copyright (C) 2007-2009 Nokia Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "qemu-char.h"
+#include "hw.h"
+#include "omap.h"
+/* We use pc-style serial ports. */
+#include "pc.h"
+
+/* UARTs */
+struct omap_uart_s {
+ target_phys_addr_t base;
+ SerialState *serial; /* TODO */
+ struct omap_target_agent_s *ta;
+ omap_clk fclk;
+ qemu_irq irq;
+
+ uint8_t eblr;
+ uint8_t syscontrol;
+ uint8_t wkup;
+ uint8_t cfps;
+ uint8_t mdr[2];
+ uint8_t scr;
+ uint8_t clksel;
+};
+
+void omap_uart_reset(struct omap_uart_s *s)
+{
+ s->eblr = 0x00;
+ s->syscontrol = 0;
+ s->wkup = 0x3f;
+ s->cfps = 0x69;
+ s->clksel = 0;
+}
+
+struct omap_uart_s *omap_uart_init(target_phys_addr_t base,
+ qemu_irq irq, omap_clk fclk, omap_clk iclk,
+ qemu_irq txdma, qemu_irq rxdma, CharDriverState *chr)
+{
+ struct omap_uart_s *s = (struct omap_uart_s *)
+ qemu_mallocz(sizeof(struct omap_uart_s));
+
+ s->base = base;
+ s->fclk = fclk;
+ s->irq = irq;
+#ifdef TARGET_WORDS_BIGENDIAN
+ s->serial = serial_mm_init(base, 2, irq, omap_clk_getrate(fclk)/16,
+ chr ?: qemu_chr_open("null", "null", NULL), 1,
+ 1);
+#else
+ s->serial = serial_mm_init(base, 2, irq, omap_clk_getrate(fclk)/16,
+ chr ?: qemu_chr_open("null", "null", NULL), 1,
+ 0);
+#endif
+ return s;
+}
+
+static uint32_t omap_uart_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_uart_s *s = (struct omap_uart_s *) opaque;
+
+ addr &= 0xff;
+ switch (addr) {
+ case 0x20: /* MDR1 */
+ return s->mdr[0];
+ case 0x24: /* MDR2 */
+ return s->mdr[1];
+ case 0x40: /* SCR */
+ return s->scr;
+ case 0x44: /* SSR */
+ return 0x0;
+ case 0x48: /* EBLR (OMAP2) */
+ return s->eblr;
+ case 0x4C: /* OSC_12M_SEL (OMAP1) */
+ return s->clksel;
+ case 0x50: /* MVR */
+ return 0x30;
+ case 0x54: /* SYSC (OMAP2) */
+ return s->syscontrol;
+ case 0x58: /* SYSS (OMAP2) */
+ return 1;
+ case 0x5c: /* WER (OMAP2) */
+ return s->wkup;
+ case 0x60: /* CFPS (OMAP2) */
+ return s->cfps;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_uart_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_uart_s *s = (struct omap_uart_s *) opaque;
+
+ addr &= 0xff;
+ switch (addr) {
+ case 0x20: /* MDR1 */
+ s->mdr[0] = value & 0x7f;
+ break;
+ case 0x24: /* MDR2 */
+ s->mdr[1] = value & 0xff;
+ break;
+ case 0x40: /* SCR */
+ s->scr = value & 0xff;
+ break;
+ case 0x48: /* EBLR (OMAP2) */
+ s->eblr = value & 0xff;
+ break;
+ case 0x4C: /* OSC_12M_SEL (OMAP1) */
+ s->clksel = value & 1;
+ break;
+ case 0x44: /* SSR */
+ case 0x50: /* MVR */
+ case 0x58: /* SYSS (OMAP2) */
+ OMAP_RO_REG(addr);
+ break;
+ case 0x54: /* SYSC (OMAP2) */
+ s->syscontrol = value & 0x1d;
+ if (value & 2)
+ omap_uart_reset(s);
+ break;
+ case 0x5c: /* WER (OMAP2) */
+ s->wkup = value & 0x7f;
+ break;
+ case 0x60: /* CFPS (OMAP2) */
+ s->cfps = value & 0xff;
+ break;
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc * const omap_uart_readfn[] = {
+ omap_uart_read,
+ omap_uart_read,
+ omap_badwidth_read8,
+};
+
+static CPUWriteMemoryFunc * const omap_uart_writefn[] = {
+ omap_uart_write,
+ omap_uart_write,
+ omap_badwidth_write8,
+};
+
+struct omap_uart_s *omap2_uart_init(struct omap_target_agent_s *ta,
+ qemu_irq irq, omap_clk fclk, omap_clk iclk,
+ qemu_irq txdma, qemu_irq rxdma, CharDriverState *chr)
+{
+ target_phys_addr_t base = omap_l4_attach(ta, 0, 0);
+ struct omap_uart_s *s = omap_uart_init(base, irq,
+ fclk, iclk, txdma, rxdma, chr);
+ int iomemtype = cpu_register_io_memory(omap_uart_readfn,
+ omap_uart_writefn, s);
+
+ s->ta = ta;
+
+ cpu_register_physical_memory(base + 0x20, 0x100, iomemtype);
+
+ return s;
+}
+
+void omap_uart_attach(struct omap_uart_s *s, CharDriverState *chr)
+{
+ /* TODO: Should reuse or destroy current s->serial */
+#ifdef TARGET_WORDS_BIGENDIAN
+ s->serial = serial_mm_init(s->base, 2, s->irq,
+ omap_clk_getrate(s->fclk) / 16,
+ chr ?: qemu_chr_open("null", "null", NULL), 1,
+ 1);
+#else
+ s->serial = serial_mm_init(s->base, 2, s->irq,
+ omap_clk_getrate(s->fclk) / 16,
+ chr ?: qemu_chr_open("null", "null", NULL), 1,
+ 0);
+#endif
+}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 14+ messages in thread* [Qemu-devel] [PATCH v2 12/12] hw/omap : make local function static and remove declaration from header
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
` (10 preceding siblings ...)
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 11/12] hw/omap1.c : separate uart module cmchao
@ 2010-05-31 15:54 ` cmchao
2010-06-30 18:42 ` [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation Aurelien Jarno
12 siblings, 0 replies; 14+ messages in thread
From: cmchao @ 2010-05-31 15:54 UTC (permalink / raw)
To: qemu-devel
Signed-off-by: cmchao <cmchao@gmail.com>
---
hw/omap.h | 36 ------------------------------------
hw/omap1.c | 12 ++++++------
hw/omap2.c | 6 +++---
3 files changed, 9 insertions(+), 45 deletions(-)
diff --git a/hw/omap.h b/hw/omap.h
index 34443b4..18eb72b 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -108,15 +108,6 @@ struct omap_intr_handler_s *omap2_inth_init(target_phys_addr_t base,
void omap_inth_reset(struct omap_intr_handler_s *s);
qemu_irq omap_inth_get_pin(struct omap_intr_handler_s *s, int n);
-struct omap_prcm_s;
-struct omap_prcm_s *omap_prcm_init(struct omap_target_agent_s *ta,
- qemu_irq mpu_int, qemu_irq dsp_int, qemu_irq iva_int,
- struct omap_mpu_state_s *mpu);
-
-struct omap_sysctl_s;
-struct omap_sysctl_s *omap_sysctl_init(struct omap_target_agent_s *ta,
- omap_clk iclk, struct omap_mpu_state_s *mpu);
-
/* OMAP2 SDRAM controller */
struct omap_sdrc_s;
struct omap_sdrc_s *omap_sdrc_init(target_phys_addr_t base);
@@ -658,34 +649,18 @@ struct omap_dma_lcd_channel_s {
# define OMAP24XX_DMA_EXT_DMAREQ5 64
/* omap[123].c */
-struct omap_mpu_timer_s;
-struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base,
- qemu_irq irq, omap_clk clk);
-
/* OMAP2 gp timer */
struct omap_gp_timer_s;
struct omap_gp_timer_s *omap_gp_timer_init(struct omap_target_agent_s *ta,
qemu_irq irq, omap_clk fclk, omap_clk iclk);
void omap_gp_timer_reset(struct omap_gp_timer_s *s);
-struct omap_watchdog_timer_s;
-struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base,
- qemu_irq irq, omap_clk clk);
-
-struct omap_32khz_timer_s;
-struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base,
- qemu_irq irq, omap_clk clk);
-
/* OMAP2 sysctimer */
struct omap_synctimer_s;
struct omap_synctimer_s *omap_synctimer_init(struct omap_target_agent_s *ta,
struct omap_mpu_state_s *mpu, omap_clk fclk, omap_clk iclk);
void omap_synctimer_reset(struct omap_synctimer_s *s);
-struct omap_tipb_bridge_s;
-struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base,
- qemu_irq abort_irq, omap_clk clk);
-
struct omap_uart_s;
struct omap_uart_s *omap_uart_init(target_phys_addr_t base,
qemu_irq irq, omap_clk fclk, omap_clk iclk,
@@ -740,10 +715,6 @@ void omap_mcspi_attach(struct omap_mcspi_s *s,
int chipselect);
void omap_mcspi_reset(struct omap_mcspi_s *s);
-struct omap_rtc_s;
-struct omap_rtc_s *omap_rtc_init(target_phys_addr_t base,
- qemu_irq *irq, omap_clk clk);
-
struct I2SCodec {
void *opaque;
@@ -773,16 +744,9 @@ struct omap_mcbsp_s *omap_mcbsp_init(target_phys_addr_t base,
qemu_irq *irq, qemu_irq *dma, omap_clk clk);
void omap_mcbsp_i2s_attach(struct omap_mcbsp_s *s, I2SCodec *slave);
-struct omap_lpg_s;
-struct omap_lpg_s *omap_lpg_init(target_phys_addr_t base, omap_clk clk);
-
void omap_tap_init(struct omap_target_agent_s *ta,
struct omap_mpu_state_s *mpu);
-struct omap_eac_s;
-struct omap_eac_s *omap_eac_init(struct omap_target_agent_s *ta,
- qemu_irq irq, qemu_irq *drq, omap_clk fclk, omap_clk iclk);
-
/* omap_lcdc.c */
struct omap_lcd_panel_s;
void omap_lcdc_reset(struct omap_lcd_panel_s *s);
diff --git a/hw/omap1.c b/hw/omap1.c
index 301eec5..d400bbb 100644
--- a/hw/omap1.c
+++ b/hw/omap1.c
@@ -247,7 +247,7 @@ static void omap_mpu_timer_reset(struct omap_mpu_timer_s *s)
s->it_ena = 1;
}
-struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base,
+static struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base,
qemu_irq irq, omap_clk clk)
{
int iomemtype;
@@ -371,7 +371,7 @@ static void omap_wd_timer_reset(struct omap_watchdog_timer_s *s)
omap_timer_update(&s->timer);
}
-struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base,
+static struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base,
qemu_irq irq, omap_clk clk)
{
int iomemtype;
@@ -473,7 +473,7 @@ static void omap_os_timer_reset(struct omap_32khz_timer_s *s)
s->timer.ar = 1;
}
-struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base,
+static struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base,
qemu_irq irq, omap_clk clk)
{
int iomemtype;
@@ -1180,7 +1180,7 @@ static void omap_tipb_bridge_reset(struct omap_tipb_bridge_s *s)
s->enh_control = 0x000f;
}
-struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base,
+static struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base,
qemu_irq abort_irq, omap_clk clk)
{
int iomemtype;
@@ -2809,7 +2809,7 @@ static void omap_rtc_reset(struct omap_rtc_s *s)
omap_rtc_tick(s);
}
-struct omap_rtc_s *omap_rtc_init(target_phys_addr_t base,
+static struct omap_rtc_s *omap_rtc_init(target_phys_addr_t base,
qemu_irq *irq, omap_clk clk)
{
int iomemtype;
@@ -3506,7 +3506,7 @@ static void omap_lpg_clk_update(void *opaque, int line, int on)
omap_lpg_update(s);
}
-struct omap_lpg_s *omap_lpg_init(target_phys_addr_t base, omap_clk clk)
+static struct omap_lpg_s *omap_lpg_init(target_phys_addr_t base, omap_clk clk)
{
int iomemtype;
struct omap_lpg_s *s = (struct omap_lpg_s *)
diff --git a/hw/omap2.c b/hw/omap2.c
index 9bac954..26e6da4 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -583,7 +583,7 @@ static CPUWriteMemoryFunc * const omap_eac_writefn[] = {
omap_badwidth_write16,
};
-struct omap_eac_s *omap_eac_init(struct omap_target_agent_s *ta,
+static struct omap_eac_s *omap_eac_init(struct omap_target_agent_s *ta,
qemu_irq irq, qemu_irq *drq, omap_clk fclk, omap_clk iclk)
{
int iomemtype;
@@ -1783,7 +1783,7 @@ static void omap_prcm_coldreset(struct omap_prcm_s *s)
omap_prcm_reset(s);
}
-struct omap_prcm_s *omap_prcm_init(struct omap_target_agent_s *ta,
+static struct omap_prcm_s *omap_prcm_init(struct omap_target_agent_s *ta,
qemu_irq mpu_int, qemu_irq dsp_int, qemu_irq iva_int,
struct omap_mpu_state_s *mpu)
{
@@ -2157,7 +2157,7 @@ static void omap_sysctl_reset(struct omap_sysctl_s *s)
s->padconf[0x44] = 0x00000800;
}
-struct omap_sysctl_s *omap_sysctl_init(struct omap_target_agent_s *ta,
+static struct omap_sysctl_s *omap_sysctl_init(struct omap_target_agent_s *ta,
omap_clk iclk, struct omap_mpu_state_s *mpu)
{
int iomemtype;
--
1.7.0.4
^ permalink raw reply related [flat|nested] 14+ messages in thread* Re: [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation
2010-05-31 15:54 [Qemu-devel] [PATCH v2 00/12] refactor OMAP implementation cmchao
` (11 preceding siblings ...)
2010-05-31 15:54 ` [Qemu-devel] [PATCH v2 12/12] hw/omap : make local function static and remove declaration from header cmchao
@ 2010-06-30 18:42 ` Aurelien Jarno
12 siblings, 0 replies; 14+ messages in thread
From: Aurelien Jarno @ 2010-06-30 18:42 UTC (permalink / raw)
To: cmchao; +Cc: qemu-devel
On Mon, May 31, 2010 at 11:54:12PM +0800, cmchao wrote:
> The following changes since commit aa6f63fff62faf2fe9ffba5a789675d49293614d
> Blue Swirl:
> mc146818rtc: improve debugging
> Add a separate flag for debugging coalesced interrupts.
>
> The patches almostly base on http://meego.gitorious.org/qemu-maemo/qemu work and
> act as preparatory work to merge their OMAP3 and beagleboard support. All the
> work are to separate modules, which will be shared or extended in OMAP3 implementation
> and make some local function static
>
> change from v1 :
> 1 fix missing static declaration leading to compilation error in patch #12
> 2 rebase to newer upstream
>
> [PATCH v2 01/12] hw/omap1.c : separate gpio module
> [PATCH v2 02/12] hw/omap2.c : separate gpio module
> [PATCH v2 03/12] hw/omap2.c : separate gptimer module
> [PATCH v2 04/12] hw/omap2.c : separate synctimer module
> [PATCH v2 05/12] hw/omap2.c : separate gpmc(general purpose memory controller)
> [PATCH v2 06/12] hw/omap2.c : separate sdrc (sdram controller)
> [PATCH v2 07/12] hw/omap1.c : separate interrupt controller module
> [PATCH v2 08/12] hw/omap2.c : separate spi module
> [PATCH v2 09/12] hw/omap2.c : separate tap module(Test-Chip-level)
> [PATCH v2 10/12] hw/omwp2.c : separate l4 interconnect module
> [PATCH v2 11/12] hw/omap1.c : separate uart module
> [PATCH v2 12/12] hw/omap : make local function static and remove declaration from header
>
>
Thanks, all applied.
--
Aurelien Jarno GPG: 1024D/F1BCDB73
aurelien@aurel32.net http://www.aurel32.net
^ permalink raw reply [flat|nested] 14+ messages in thread