* [PATCH 04/10] Migrate ML300 reference design to the platform bus
2006-01-09 8:32 [PATCH 00/10] Xilinx Virtex-* updates grant.likely
@ 2006-01-09 8:33 ` grant.likely
0 siblings, 0 replies; 2+ messages in thread
From: grant.likely @ 2006-01-09 8:33 UTC (permalink / raw)
To: glikely, mporter, linuxppc-embedded, gnathita, dhlii
Signed-off-by: Grant C. Likely <grant.likely@secretlab.ca>
---
arch/ppc/Kconfig.debug | 2 -
arch/ppc/platforms/4xx/xilinx_ml300.c | 74 +++++++++++++++++++++++----------
arch/ppc/platforms/4xx/xilinx_ml300.h | 2 -
arch/ppc/syslib/Makefile | 2 -
arch/ppc/syslib/xilinx_pic.c | 10 ++--
5 files changed, 60 insertions(+), 30 deletions(-)
bce11184ffbbcf099d49b6f3764afd842cf891ab
diff --git a/arch/ppc/Kconfig.debug b/arch/ppc/Kconfig.debug
index 61653cb..8cc75ab 100644
--- a/arch/ppc/Kconfig.debug
+++ b/arch/ppc/Kconfig.debug
@@ -67,7 +67,7 @@ config SERIAL_TEXT_DEBUG
config PPC_OCP
bool
- depends on IBM_OCP || XILINX_OCP
+ depends on IBM_OCP
default y
endmenu
diff --git a/arch/ppc/platforms/4xx/xilinx_ml300.c b/arch/ppc/platforms/4xx/xilinx_ml300.c
index b0de0a2..267afb5 100644
--- a/arch/ppc/platforms/4xx/xilinx_ml300.c
+++ b/arch/ppc/platforms/4xx/xilinx_ml300.c
@@ -17,12 +17,14 @@
#include <linux/tty.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
+#include <linux/serial_8250.h>
#include <linux/serialP.h>
#include <asm/io.h>
#include <asm/machdep.h>
-#include <asm/ocp.h>
+#include <asm/ppc_sys.h>
-#include <platforms/4xx/virtex.h> /* for NR_SER_PORTS */
+#include <syslib/gen550.h>
+#include <platforms/4xx/xparameters/xparameters.h>
/*
* As an overview of how the following functions (platform_init,
@@ -54,6 +56,22 @@
* ppc4xx_pic_init arch/ppc/syslib/xilinx_pic.c
*/
+/* Board specifications structures */
+struct ppc_sys_spec *cur_ppc_sys_spec;
+struct ppc_sys_spec ppc_sys_specs[] = {
+ {
+ /* Only one entry, always assume the same design */
+ .ppc_sys_name = "Xilinx ML300 Reference Design",
+ .mask = 0x00000000,
+ .value = 0x00000000,
+ .num_devices = 1,
+ .device_list = (enum ppc_sys_devices[])
+ {
+ VIRTEX_UART,
+ },
+ },
+};
+
#if defined(XPAR_POWER_0_POWERDOWN_BASEADDR)
static volatile unsigned *powerdown_base =
@@ -80,28 +98,39 @@ ml300_map_io(void)
#endif
}
+/* Early serial support functions */
static void __init
+ml300_early_serial_init(int num, struct plat_serial8250_port *pdata)
+{
+#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
+ struct uart_port serial_req;
+
+ memset(&serial_req, 0, sizeof(serial_req));
+ serial_req.mapbase = pdata->mapbase;
+ serial_req.membase = pdata->membase;
+ serial_req.irq = pdata->irq;
+ serial_req.uartclk = pdata->uartclk;
+ serial_req.regshift = pdata->regshift;
+ serial_req.iotype = pdata->iotype;
+ serial_req.flags = pdata->flags;
+ gen550_init(num, &serial_req);
+#endif
+}
+
+void __init
ml300_early_serial_map(void)
{
#ifdef CONFIG_SERIAL_8250
- struct serial_state old_ports[] = { SERIAL_PORT_DFNS };
- struct uart_port port;
- int i;
-
- /* Setup ioremapped serial port access */
- for (i = 0; i < ARRAY_SIZE(old_ports); i++ ) {
- memset(&port, 0, sizeof(port));
- port.membase = ioremap((phys_addr_t)(old_ports[i].iomem_base), 16);
- port.irq = old_ports[i].irq;
- port.uartclk = old_ports[i].baud_base * 16;
- port.regshift = old_ports[i].iomem_reg_shift;
- port.iotype = SERIAL_IO_MEM;
- port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST;
- port.line = i;
-
- if (early_serial_setup(&port) != 0) {
- printk("Early serial init of port %d failed\n", i);
- }
+ struct plat_serial8250_port *pdata;
+ int i = 0;
+
+ pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(VIRTEX_UART);
+ while(pdata && pdata->flags)
+ {
+ pdata->membase = ioremap(pdata->mapbase, 0x100);
+ ml300_early_serial_init(i, pdata);
+ pdata++;
+ i++;
}
#endif /* CONFIG_SERIAL_8250 */
}
@@ -109,9 +138,8 @@ ml300_early_serial_map(void)
void __init
ml300_setup_arch(void)
{
- ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */
-
ml300_early_serial_map();
+ ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */
/* Identify the system */
printk(KERN_INFO "Xilinx Virtex-II Pro port\n");
@@ -131,6 +159,8 @@ platform_init(unsigned long r3, unsigned
{
ppc4xx_init(r3, r4, r5, r6, r7);
+ identify_ppc_sys_by_id(mfspr(SPRN_PVR));
+
ppc_md.setup_arch = ml300_setup_arch;
ppc_md.setup_io_mappings = ml300_map_io;
ppc_md.init_IRQ = ml300_init_irq;
diff --git a/arch/ppc/platforms/4xx/xilinx_ml300.h b/arch/ppc/platforms/4xx/xilinx_ml300.h
index 8993981..ae8bf13 100644
--- a/arch/ppc/platforms/4xx/xilinx_ml300.h
+++ b/arch/ppc/platforms/4xx/xilinx_ml300.h
@@ -41,7 +41,7 @@ typedef struct board_info {
#define PPC4xx_ONB_IO_VADDR 0u
#define PPC4xx_ONB_IO_SIZE 0u
-#define PPC4xx_MACHINE_NAME "Xilinx ML300"
+#define PPC4xx_MACHINE_NAME "Xilinx ML300 Reference System"
#endif /* __ASM_XILINX_ML300_H__ */
#endif /* __KERNEL__ */
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index 0c9e79b..10d73ba 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -18,7 +18,7 @@ obj-$(CONFIG_440SP) += ibm440gx_common.
obj-$(CONFIG_440SPE) += ibm440gx_common.o ibm440sp_common.o ppc440spe_pcie.o
ifeq ($(CONFIG_4xx),y)
ifeq ($(CONFIG_XILINX_VIRTEX),y)
-obj-$(CONFIG_40x) += xilinx_pic.o
+obj-$(CONFIG_40x) += xilinx_pic.o ppc_sys.o
else
ifeq ($(CONFIG_403),y)
obj-$(CONFIG_40x) += ppc403_pic.o
diff --git a/arch/ppc/syslib/xilinx_pic.c b/arch/ppc/syslib/xilinx_pic.c
index 848fb51..206872c 100644
--- a/arch/ppc/syslib/xilinx_pic.c
+++ b/arch/ppc/syslib/xilinx_pic.c
@@ -120,14 +120,14 @@ ppc4xx_pic_init(void)
#error NR_IRQS > 32 not supported
#endif
-#if XPAR_XINTC_USE_DCR == 0
- intc = ioremap(XPAR_INTC_0_BASEADDR, 32);
+#if VIRTEX_XINTC_USE_DCR == 0
+ intc = ioremap(VIRTEX_INTC_BASEADDR, 32);
printk(KERN_INFO "Xilinx INTC #0 at 0x%08lX mapped to 0x%08lX\n",
- (unsigned long) XPAR_INTC_0_BASEADDR, (unsigned long) intc);
+ (unsigned long) VIRTEX_INTC_BASEADDR, (unsigned long) intc);
#else
printk(KERN_INFO "Xilinx INTC #0 at 0x%08lX (DCR)\n",
- (unsigned long) XPAR_INTC_0_BASEADDR);
+ (unsigned long) VIRTEX_INTC_BASEADDR);
#endif
/*
@@ -147,7 +147,7 @@ ppc4xx_pic_init(void)
for (i = 0; i < NR_IRQS; ++i) {
irq_desc[i].handler = &xilinx_intc;
- if (XPAR_INTC_0_KIND_OF_INTR & (0x00000001 << i))
+ if (VIRTEX_INTC_KIND_OF_INTR & (0x00000001 << i))
irq_desc[i].status &= ~IRQ_LEVEL;
else
irq_desc[i].status |= IRQ_LEVEL;
--
1.0.6-g58e3
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH 04/10] Migrate ML300 reference design to the platform bus
@ 2006-01-14 9:48 Grant C. Likely
0 siblings, 0 replies; 2+ messages in thread
From: Grant C. Likely @ 2006-01-14 9:48 UTC (permalink / raw)
To: linuxppc-embedded, mporter, glikely
Signed-off-by: Grant C. Likely <grant.likely@secretlab.ca>
---
arch/ppc/Kconfig.debug | 2 -
arch/ppc/platforms/4xx/xilinx_ml300.c | 74 +++++++++++++++++++++++----------
arch/ppc/platforms/4xx/xilinx_ml300.h | 2 -
arch/ppc/syslib/Makefile | 2 -
arch/ppc/syslib/xilinx_pic.c | 10 ++--
5 files changed, 60 insertions(+), 30 deletions(-)
a13976d8a19837c07e485ae3ae7179668b4b9986
diff --git a/arch/ppc/Kconfig.debug b/arch/ppc/Kconfig.debug
index 61653cb..8cc75ab 100644
--- a/arch/ppc/Kconfig.debug
+++ b/arch/ppc/Kconfig.debug
@@ -67,7 +67,7 @@ config SERIAL_TEXT_DEBUG
config PPC_OCP
bool
- depends on IBM_OCP || XILINX_OCP
+ depends on IBM_OCP
default y
endmenu
diff --git a/arch/ppc/platforms/4xx/xilinx_ml300.c b/arch/ppc/platforms/4xx/xilinx_ml300.c
index b0de0a2..267afb5 100644
--- a/arch/ppc/platforms/4xx/xilinx_ml300.c
+++ b/arch/ppc/platforms/4xx/xilinx_ml300.c
@@ -17,12 +17,14 @@
#include <linux/tty.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
+#include <linux/serial_8250.h>
#include <linux/serialP.h>
#include <asm/io.h>
#include <asm/machdep.h>
-#include <asm/ocp.h>
+#include <asm/ppc_sys.h>
-#include <platforms/4xx/virtex.h> /* for NR_SER_PORTS */
+#include <syslib/gen550.h>
+#include <platforms/4xx/xparameters/xparameters.h>
/*
* As an overview of how the following functions (platform_init,
@@ -54,6 +56,22 @@
* ppc4xx_pic_init arch/ppc/syslib/xilinx_pic.c
*/
+/* Board specifications structures */
+struct ppc_sys_spec *cur_ppc_sys_spec;
+struct ppc_sys_spec ppc_sys_specs[] = {
+ {
+ /* Only one entry, always assume the same design */
+ .ppc_sys_name = "Xilinx ML300 Reference Design",
+ .mask = 0x00000000,
+ .value = 0x00000000,
+ .num_devices = 1,
+ .device_list = (enum ppc_sys_devices[])
+ {
+ VIRTEX_UART,
+ },
+ },
+};
+
#if defined(XPAR_POWER_0_POWERDOWN_BASEADDR)
static volatile unsigned *powerdown_base =
@@ -80,28 +98,39 @@ ml300_map_io(void)
#endif
}
+/* Early serial support functions */
static void __init
+ml300_early_serial_init(int num, struct plat_serial8250_port *pdata)
+{
+#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
+ struct uart_port serial_req;
+
+ memset(&serial_req, 0, sizeof(serial_req));
+ serial_req.mapbase = pdata->mapbase;
+ serial_req.membase = pdata->membase;
+ serial_req.irq = pdata->irq;
+ serial_req.uartclk = pdata->uartclk;
+ serial_req.regshift = pdata->regshift;
+ serial_req.iotype = pdata->iotype;
+ serial_req.flags = pdata->flags;
+ gen550_init(num, &serial_req);
+#endif
+}
+
+void __init
ml300_early_serial_map(void)
{
#ifdef CONFIG_SERIAL_8250
- struct serial_state old_ports[] = { SERIAL_PORT_DFNS };
- struct uart_port port;
- int i;
-
- /* Setup ioremapped serial port access */
- for (i = 0; i < ARRAY_SIZE(old_ports); i++ ) {
- memset(&port, 0, sizeof(port));
- port.membase = ioremap((phys_addr_t)(old_ports[i].iomem_base), 16);
- port.irq = old_ports[i].irq;
- port.uartclk = old_ports[i].baud_base * 16;
- port.regshift = old_ports[i].iomem_reg_shift;
- port.iotype = SERIAL_IO_MEM;
- port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST;
- port.line = i;
-
- if (early_serial_setup(&port) != 0) {
- printk("Early serial init of port %d failed\n", i);
- }
+ struct plat_serial8250_port *pdata;
+ int i = 0;
+
+ pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(VIRTEX_UART);
+ while(pdata && pdata->flags)
+ {
+ pdata->membase = ioremap(pdata->mapbase, 0x100);
+ ml300_early_serial_init(i, pdata);
+ pdata++;
+ i++;
}
#endif /* CONFIG_SERIAL_8250 */
}
@@ -109,9 +138,8 @@ ml300_early_serial_map(void)
void __init
ml300_setup_arch(void)
{
- ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */
-
ml300_early_serial_map();
+ ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */
/* Identify the system */
printk(KERN_INFO "Xilinx Virtex-II Pro port\n");
@@ -131,6 +159,8 @@ platform_init(unsigned long r3, unsigned
{
ppc4xx_init(r3, r4, r5, r6, r7);
+ identify_ppc_sys_by_id(mfspr(SPRN_PVR));
+
ppc_md.setup_arch = ml300_setup_arch;
ppc_md.setup_io_mappings = ml300_map_io;
ppc_md.init_IRQ = ml300_init_irq;
diff --git a/arch/ppc/platforms/4xx/xilinx_ml300.h b/arch/ppc/platforms/4xx/xilinx_ml300.h
index 8993981..ae8bf13 100644
--- a/arch/ppc/platforms/4xx/xilinx_ml300.h
+++ b/arch/ppc/platforms/4xx/xilinx_ml300.h
@@ -41,7 +41,7 @@ typedef struct board_info {
#define PPC4xx_ONB_IO_VADDR 0u
#define PPC4xx_ONB_IO_SIZE 0u
-#define PPC4xx_MACHINE_NAME "Xilinx ML300"
+#define PPC4xx_MACHINE_NAME "Xilinx ML300 Reference System"
#endif /* __ASM_XILINX_ML300_H__ */
#endif /* __KERNEL__ */
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index dc75f6e..301f0c2 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -18,7 +18,7 @@ obj-$(CONFIG_440SP) += ibm440gx_common.
obj-$(CONFIG_440SPE) += ibm440gx_common.o ibm440sp_common.o ppc440spe_pcie.o
ifeq ($(CONFIG_4xx),y)
ifeq ($(CONFIG_XILINX_VIRTEX),y)
-obj-$(CONFIG_40x) += xilinx_pic.o
+obj-$(CONFIG_40x) += xilinx_pic.o ppc_sys.o
else
ifeq ($(CONFIG_403),y)
obj-$(CONFIG_40x) += ppc403_pic.o
diff --git a/arch/ppc/syslib/xilinx_pic.c b/arch/ppc/syslib/xilinx_pic.c
index 848fb51..206872c 100644
--- a/arch/ppc/syslib/xilinx_pic.c
+++ b/arch/ppc/syslib/xilinx_pic.c
@@ -120,14 +120,14 @@ ppc4xx_pic_init(void)
#error NR_IRQS > 32 not supported
#endif
-#if XPAR_XINTC_USE_DCR == 0
- intc = ioremap(XPAR_INTC_0_BASEADDR, 32);
+#if VIRTEX_XINTC_USE_DCR == 0
+ intc = ioremap(VIRTEX_INTC_BASEADDR, 32);
printk(KERN_INFO "Xilinx INTC #0 at 0x%08lX mapped to 0x%08lX\n",
- (unsigned long) XPAR_INTC_0_BASEADDR, (unsigned long) intc);
+ (unsigned long) VIRTEX_INTC_BASEADDR, (unsigned long) intc);
#else
printk(KERN_INFO "Xilinx INTC #0 at 0x%08lX (DCR)\n",
- (unsigned long) XPAR_INTC_0_BASEADDR);
+ (unsigned long) VIRTEX_INTC_BASEADDR);
#endif
/*
@@ -147,7 +147,7 @@ ppc4xx_pic_init(void)
for (i = 0; i < NR_IRQS; ++i) {
irq_desc[i].handler = &xilinx_intc;
- if (XPAR_INTC_0_KIND_OF_INTR & (0x00000001 << i))
+ if (VIRTEX_INTC_KIND_OF_INTR & (0x00000001 << i))
irq_desc[i].status &= ~IRQ_LEVEL;
else
irq_desc[i].status |= IRQ_LEVEL;
--
1.1.2-g9e9b-dirty
^ permalink raw reply related [flat|nested] 2+ messages in thread
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