From: "Heiko Stübner" <heiko@sntech.de>
To: Kukjin Kim <kgene.kim@samsung.com>
Cc: ben-linux@fluff.org, Thomas Abraham <thomas.abraham@linaro.org>,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org
Subject: [PATCH v2 08/11] ARM: S3C24XX: move s3c2443 irq code to irq.c
Date: Tue, 1 Jan 2013 22:58:04 +0100 [thread overview]
Message-ID: <201301012258.05055.heiko@sntech.de> (raw)
In-Reply-To: <201301012251.15899.heiko@sntech.de>
Prequisite for further optimizations.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm/mach-s3c24xx/Makefile | 2 +-
arch/arm/mach-s3c24xx/irq-s3c2443.c | 281 -----------------------------------
arch/arm/plat-s3c24xx/irq.c | 243 ++++++++++++++++++++++++++++++
3 files changed, 244 insertions(+), 282 deletions(-)
delete mode 100644 arch/arm/mach-s3c24xx/irq-s3c2443.c
diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile
index 30904c9..6019b7c 100644
--- a/arch/arm/mach-s3c24xx/Makefile
+++ b/arch/arm/mach-s3c24xx/Makefile
@@ -33,7 +33,7 @@ obj-$(CONFIG_CPU_S3C2442) += s3c2442.o
obj-$(CONFIG_CPU_S3C244X) += s3c244x.o irq-s3c244x.o clock-s3c244x.o
obj-$(CONFIG_S3C2440_DMA) += dma-s3c2440.o
-obj-$(CONFIG_CPU_S3C2443) += s3c2443.o irq-s3c2443.o clock-s3c2443.o
+obj-$(CONFIG_CPU_S3C2443) += s3c2443.o clock-s3c2443.o
# PM
diff --git a/arch/arm/mach-s3c24xx/irq-s3c2443.c b/arch/arm/mach-s3c24xx/irq-s3c2443.c
deleted file mode 100644
index 5e69109..0000000
--- a/arch/arm/mach-s3c24xx/irq-s3c2443.c
+++ /dev/null
@@ -1,281 +0,0 @@
-/* linux/arch/arm/mach-s3c2443/irq.c
- *
- * Copyright (c) 2007 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- *
- * 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 of the License, or
- * (at your option) any later version.
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/device.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/irq.h>
-
-#include <asm/mach/irq.h>
-
-#include <mach/regs-irq.h>
-#include <mach/regs-gpio.h>
-
-#include <plat/cpu.h>
-#include <plat/pm.h>
-#include <plat/irq.h>
-
-#define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1)
-
-static inline void s3c2443_irq_demux(unsigned int irq, unsigned int len)
-{
- unsigned int subsrc, submsk;
- unsigned int end;
-
- /* read the current pending interrupts, and the mask
- * for what it is available */
-
- subsrc = __raw_readl(S3C2410_SUBSRCPND);
- submsk = __raw_readl(S3C2410_INTSUBMSK);
-
- subsrc &= ~submsk;
- subsrc >>= (irq - S3C2410_IRQSUB(0));
- subsrc &= (1 << len)-1;
-
- end = len + irq;
-
- for (; irq < end && subsrc; irq++) {
- if (subsrc & 1)
- generic_handle_irq(irq);
-
- subsrc >>= 1;
- }
-}
-
-/* WDT/AC97 sub interrupts */
-
-static void s3c2443_irq_demux_wdtac97(unsigned int irq, struct irq_desc *desc)
-{
- s3c2443_irq_demux(IRQ_S3C2443_WDT, 4);
-}
-
-#define INTMSK_WDTAC97 (1UL << (IRQ_WDT - IRQ_EINT0))
-#define SUBMSK_WDTAC97 INTMSK(IRQ_S3C2443_WDT, IRQ_S3C2443_AC97)
-
-static void s3c2443_irq_wdtac97_mask(struct irq_data *data)
-{
- s3c_irqsub_mask(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97);
-}
-
-static void s3c2443_irq_wdtac97_unmask(struct irq_data *data)
-{
- s3c_irqsub_unmask(data->irq, INTMSK_WDTAC97);
-}
-
-static void s3c2443_irq_wdtac97_ack(struct irq_data *data)
-{
- s3c_irqsub_maskack(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97);
-}
-
-static struct irq_chip s3c2443_irq_wdtac97 = {
- .irq_mask = s3c2443_irq_wdtac97_mask,
- .irq_unmask = s3c2443_irq_wdtac97_unmask,
- .irq_ack = s3c2443_irq_wdtac97_ack,
-};
-
-/* LCD sub interrupts */
-
-static void s3c2443_irq_demux_lcd(unsigned int irq, struct irq_desc *desc)
-{
- s3c2443_irq_demux(IRQ_S3C2443_LCD1, 4);
-}
-
-#define INTMSK_LCD (1UL << (IRQ_LCD - IRQ_EINT0))
-#define SUBMSK_LCD INTMSK(IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4)
-
-static void s3c2443_irq_lcd_mask(struct irq_data *data)
-{
- s3c_irqsub_mask(data->irq, INTMSK_LCD, SUBMSK_LCD);
-}
-
-static void s3c2443_irq_lcd_unmask(struct irq_data *data)
-{
- s3c_irqsub_unmask(data->irq, INTMSK_LCD);
-}
-
-static void s3c2443_irq_lcd_ack(struct irq_data *data)
-{
- s3c_irqsub_maskack(data->irq, INTMSK_LCD, SUBMSK_LCD);
-}
-
-static struct irq_chip s3c2443_irq_lcd = {
- .irq_mask = s3c2443_irq_lcd_mask,
- .irq_unmask = s3c2443_irq_lcd_unmask,
- .irq_ack = s3c2443_irq_lcd_ack,
-};
-
-/* DMA sub interrupts */
-
-static void s3c2443_irq_demux_dma(unsigned int irq, struct irq_desc *desc)
-{
- s3c2443_irq_demux(IRQ_S3C2443_DMA0, 6);
-}
-
-#define INTMSK_DMA (1UL << (IRQ_S3C2443_DMA - IRQ_EINT0))
-#define SUBMSK_DMA INTMSK(IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5)
-
-static void s3c2443_irq_dma_mask(struct irq_data *data)
-{
- s3c_irqsub_mask(data->irq, INTMSK_DMA, SUBMSK_DMA);
-}
-
-static void s3c2443_irq_dma_unmask(struct irq_data *data)
-{
- s3c_irqsub_unmask(data->irq, INTMSK_DMA);
-}
-
-static void s3c2443_irq_dma_ack(struct irq_data *data)
-{
- s3c_irqsub_maskack(data->irq, INTMSK_DMA, SUBMSK_DMA);
-}
-
-static struct irq_chip s3c2443_irq_dma = {
- .irq_mask = s3c2443_irq_dma_mask,
- .irq_unmask = s3c2443_irq_dma_unmask,
- .irq_ack = s3c2443_irq_dma_ack,
-};
-
-/* UART3 sub interrupts */
-
-static void s3c2443_irq_demux_uart3(unsigned int irq, struct irq_desc *desc)
-{
- s3c2443_irq_demux(IRQ_S3C2443_RX3, 3);
-}
-
-#define INTMSK_UART3 (1UL << (IRQ_S3C2443_UART3 - IRQ_EINT0))
-#define SUBMSK_UART3 (0x7 << (IRQ_S3C2443_RX3 - S3C2410_IRQSUB(0)))
-
-static void s3c2443_irq_uart3_mask(struct irq_data *data)
-{
- s3c_irqsub_mask(data->irq, INTMSK_UART3, SUBMSK_UART3);
-}
-
-static void s3c2443_irq_uart3_unmask(struct irq_data *data)
-{
- s3c_irqsub_unmask(data->irq, INTMSK_UART3);
-}
-
-static void s3c2443_irq_uart3_ack(struct irq_data *data)
-{
- s3c_irqsub_maskack(data->irq, INTMSK_UART3, SUBMSK_UART3);
-}
-
-static struct irq_chip s3c2443_irq_uart3 = {
- .irq_mask = s3c2443_irq_uart3_mask,
- .irq_unmask = s3c2443_irq_uart3_unmask,
- .irq_ack = s3c2443_irq_uart3_ack,
-};
-
-/* CAM sub interrupts */
-
-static void s3c2443_irq_demux_cam(unsigned int irq, struct irq_desc *desc)
-{
- s3c2443_irq_demux(IRQ_S3C2440_CAM_C, 4);
-}
-
-#define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0))
-#define SUBMSK_CAM INTMSK(IRQ_S3C2440_CAM_C, IRQ_S3C2440_CAM_P)
-
-static void s3c2443_irq_cam_mask(struct irq_data *data)
-{
- s3c_irqsub_mask(data->irq, INTMSK_CAM, SUBMSK_CAM);
-}
-
-static void s3c2443_irq_cam_unmask(struct irq_data *data)
-{
- s3c_irqsub_unmask(data->irq, INTMSK_CAM);
-}
-
-static void s3c2443_irq_cam_ack(struct irq_data *data)
-{
- s3c_irqsub_maskack(data->irq, INTMSK_CAM, SUBMSK_CAM);
-}
-
-static struct irq_chip s3c2443_irq_cam = {
- .irq_mask = s3c2443_irq_cam_mask,
- .irq_unmask = s3c2443_irq_cam_unmask,
- .irq_ack = s3c2443_irq_cam_ack,
-};
-
-/* IRQ initialisation code */
-
-static int s3c2443_add_sub(unsigned int base,
- void (*demux)(unsigned int,
- struct irq_desc *),
- struct irq_chip *chip,
- unsigned int start, unsigned int end)
-{
- unsigned int irqno;
-
- irq_set_chip_and_handler(base, &s3c_irq_level_chip, handle_level_irq);
- irq_set_chained_handler(base, demux);
-
- for (irqno = start; irqno <= end; irqno++) {
- irq_set_chip_and_handler(irqno, chip, handle_level_irq);
- set_irq_flags(irqno, IRQF_VALID);
- }
-
- return 0;
-}
-
-static int s3c2443_irq_add(struct device *dev,
- struct subsys_interface *sif)
-{
- printk("S3C2443: IRQ Support\n");
-
- s3c2443_add_sub(IRQ_CAM, s3c2443_irq_demux_cam, &s3c2443_irq_cam,
- IRQ_S3C2440_CAM_C, IRQ_S3C2440_CAM_P);
-
- s3c2443_add_sub(IRQ_LCD, s3c2443_irq_demux_lcd, &s3c2443_irq_lcd,
- IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4);
-
- s3c2443_add_sub(IRQ_S3C2443_DMA, s3c2443_irq_demux_dma,
- &s3c2443_irq_dma, IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5);
-
- s3c2443_add_sub(IRQ_S3C2443_UART3, s3c2443_irq_demux_uart3,
- &s3c2443_irq_uart3,
- IRQ_S3C2443_RX3, IRQ_S3C2443_ERR3);
-
- s3c2443_add_sub(IRQ_WDT, s3c2443_irq_demux_wdtac97,
- &s3c2443_irq_wdtac97,
- IRQ_S3C2443_WDT, IRQ_S3C2443_AC97);
-
- return 0;
-}
-
-static struct subsys_interface s3c2443_irq_interface = {
- .name = "s3c2443_irq",
- .subsys = &s3c2443_subsys,
- .add_dev = s3c2443_irq_add,
-};
-
-static int __init s3c2443_irq_init(void)
-{
- return subsys_interface_register(&s3c2443_irq_interface);
-}
-
-arch_initcall(s3c2443_irq_init);
-
diff --git a/arch/arm/plat-s3c24xx/irq.c b/arch/arm/plat-s3c24xx/irq.c
index 646861a..e021c44 100644
--- a/arch/arm/plat-s3c24xx/irq.c
+++ b/arch/arm/plat-s3c24xx/irq.c
@@ -806,3 +806,246 @@ struct syscore_ops s3c2416_irq_syscore_ops = {
#endif
#endif
+
+#ifdef CONFIG_CPU_S3C2443
+#define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1)
+
+static inline void s3c2443_irq_demux(unsigned int irq, unsigned int len)
+{
+ unsigned int subsrc, submsk;
+ unsigned int end;
+
+ /* read the current pending interrupts, and the mask
+ * for what it is available */
+
+ subsrc = __raw_readl(S3C2410_SUBSRCPND);
+ submsk = __raw_readl(S3C2410_INTSUBMSK);
+
+ subsrc &= ~submsk;
+ subsrc >>= (irq - S3C2410_IRQSUB(0));
+ subsrc &= (1 << len)-1;
+
+ end = len + irq;
+
+ for (; irq < end && subsrc; irq++) {
+ if (subsrc & 1)
+ generic_handle_irq(irq);
+
+ subsrc >>= 1;
+ }
+}
+
+/* WDT/AC97 sub interrupts */
+
+static void s3c2443_irq_demux_wdtac97(unsigned int irq, struct irq_desc *desc)
+{
+ s3c2443_irq_demux(IRQ_S3C2443_WDT, 4);
+}
+
+#define INTMSK_WDTAC97 (1UL << (IRQ_WDT - IRQ_EINT0))
+#define SUBMSK_WDTAC97 INTMSK(IRQ_S3C2443_WDT, IRQ_S3C2443_AC97)
+
+static void s3c2443_irq_wdtac97_mask(struct irq_data *data)
+{
+ s3c_irqsub_mask(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97);
+}
+
+static void s3c2443_irq_wdtac97_unmask(struct irq_data *data)
+{
+ s3c_irqsub_unmask(data->irq, INTMSK_WDTAC97);
+}
+
+static void s3c2443_irq_wdtac97_ack(struct irq_data *data)
+{
+ s3c_irqsub_maskack(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97);
+}
+
+static struct irq_chip s3c2443_irq_wdtac97 = {
+ .irq_mask = s3c2443_irq_wdtac97_mask,
+ .irq_unmask = s3c2443_irq_wdtac97_unmask,
+ .irq_ack = s3c2443_irq_wdtac97_ack,
+};
+
+/* LCD sub interrupts */
+
+static void s3c2443_irq_demux_lcd(unsigned int irq, struct irq_desc *desc)
+{
+ s3c2443_irq_demux(IRQ_S3C2443_LCD1, 4);
+}
+
+#define INTMSK_LCD (1UL << (IRQ_LCD - IRQ_EINT0))
+#define SUBMSK_LCD INTMSK(IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4)
+
+static void s3c2443_irq_lcd_mask(struct irq_data *data)
+{
+ s3c_irqsub_mask(data->irq, INTMSK_LCD, SUBMSK_LCD);
+}
+
+static void s3c2443_irq_lcd_unmask(struct irq_data *data)
+{
+ s3c_irqsub_unmask(data->irq, INTMSK_LCD);
+}
+
+static void s3c2443_irq_lcd_ack(struct irq_data *data)
+{
+ s3c_irqsub_maskack(data->irq, INTMSK_LCD, SUBMSK_LCD);
+}
+
+static struct irq_chip s3c2443_irq_lcd = {
+ .irq_mask = s3c2443_irq_lcd_mask,
+ .irq_unmask = s3c2443_irq_lcd_unmask,
+ .irq_ack = s3c2443_irq_lcd_ack,
+};
+
+/* DMA sub interrupts */
+
+static void s3c2443_irq_demux_dma(unsigned int irq, struct irq_desc *desc)
+{
+ s3c2443_irq_demux(IRQ_S3C2443_DMA0, 6);
+}
+
+#define INTMSK_DMA (1UL << (IRQ_S3C2443_DMA - IRQ_EINT0))
+#define SUBMSK_DMA INTMSK(IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5)
+
+static void s3c2443_irq_dma_mask(struct irq_data *data)
+{
+ s3c_irqsub_mask(data->irq, INTMSK_DMA, SUBMSK_DMA);
+}
+
+static void s3c2443_irq_dma_unmask(struct irq_data *data)
+{
+ s3c_irqsub_unmask(data->irq, INTMSK_DMA);
+}
+
+static void s3c2443_irq_dma_ack(struct irq_data *data)
+{
+ s3c_irqsub_maskack(data->irq, INTMSK_DMA, SUBMSK_DMA);
+}
+
+static struct irq_chip s3c2443_irq_dma = {
+ .irq_mask = s3c2443_irq_dma_mask,
+ .irq_unmask = s3c2443_irq_dma_unmask,
+ .irq_ack = s3c2443_irq_dma_ack,
+};
+
+/* UART3 sub interrupts */
+
+static void s3c2443_irq_demux_uart3(unsigned int irq, struct irq_desc *desc)
+{
+ s3c2443_irq_demux(IRQ_S3C2443_RX3, 3);
+}
+
+#define INTMSK_UART3 (1UL << (IRQ_S3C2443_UART3 - IRQ_EINT0))
+#define SUBMSK_UART3 (0x7 << (IRQ_S3C2443_RX3 - S3C2410_IRQSUB(0)))
+
+static void s3c2443_irq_uart3_mask(struct irq_data *data)
+{
+ s3c_irqsub_mask(data->irq, INTMSK_UART3, SUBMSK_UART3);
+}
+
+static void s3c2443_irq_uart3_unmask(struct irq_data *data)
+{
+ s3c_irqsub_unmask(data->irq, INTMSK_UART3);
+}
+
+static void s3c2443_irq_uart3_ack(struct irq_data *data)
+{
+ s3c_irqsub_maskack(data->irq, INTMSK_UART3, SUBMSK_UART3);
+}
+
+static struct irq_chip s3c2443_irq_uart3 = {
+ .irq_mask = s3c2443_irq_uart3_mask,
+ .irq_unmask = s3c2443_irq_uart3_unmask,
+ .irq_ack = s3c2443_irq_uart3_ack,
+};
+
+/* CAM sub interrupts */
+
+static void s3c2443_irq_demux_cam(unsigned int irq, struct irq_desc *desc)
+{
+ s3c2443_irq_demux(IRQ_S3C2440_CAM_C, 4);
+}
+
+#define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0))
+#define SUBMSK_CAM INTMSK(IRQ_S3C2440_CAM_C, IRQ_S3C2440_CAM_P)
+
+static void s3c2443_irq_cam_mask(struct irq_data *data)
+{
+ s3c_irqsub_mask(data->irq, INTMSK_CAM, SUBMSK_CAM);
+}
+
+static void s3c2443_irq_cam_unmask(struct irq_data *data)
+{
+ s3c_irqsub_unmask(data->irq, INTMSK_CAM);
+}
+
+static void s3c2443_irq_cam_ack(struct irq_data *data)
+{
+ s3c_irqsub_maskack(data->irq, INTMSK_CAM, SUBMSK_CAM);
+}
+
+static struct irq_chip s3c2443_irq_cam = {
+ .irq_mask = s3c2443_irq_cam_mask,
+ .irq_unmask = s3c2443_irq_cam_unmask,
+ .irq_ack = s3c2443_irq_cam_ack,
+};
+
+/* IRQ initialisation code */
+
+static int s3c2443_add_sub(unsigned int base,
+ void (*demux)(unsigned int,
+ struct irq_desc *),
+ struct irq_chip *chip,
+ unsigned int start, unsigned int end)
+{
+ unsigned int irqno;
+
+ irq_set_chip_and_handler(base, &s3c_irq_level_chip, handle_level_irq);
+ irq_set_chained_handler(base, demux);
+
+ for (irqno = start; irqno <= end; irqno++) {
+ irq_set_chip_and_handler(irqno, chip, handle_level_irq);
+ set_irq_flags(irqno, IRQF_VALID);
+ }
+
+ return 0;
+}
+
+static int s3c2443_irq_add(struct device *dev,
+ struct subsys_interface *sif)
+{
+ printk("S3C2443: IRQ Support\n");
+
+ s3c2443_add_sub(IRQ_CAM, s3c2443_irq_demux_cam, &s3c2443_irq_cam,
+ IRQ_S3C2440_CAM_C, IRQ_S3C2440_CAM_P);
+
+ s3c2443_add_sub(IRQ_LCD, s3c2443_irq_demux_lcd, &s3c2443_irq_lcd,
+ IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4);
+
+ s3c2443_add_sub(IRQ_S3C2443_DMA, s3c2443_irq_demux_dma,
+ &s3c2443_irq_dma, IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5);
+
+ s3c2443_add_sub(IRQ_S3C2443_UART3, s3c2443_irq_demux_uart3,
+ &s3c2443_irq_uart3,
+ IRQ_S3C2443_RX3, IRQ_S3C2443_ERR3);
+
+ s3c2443_add_sub(IRQ_WDT, s3c2443_irq_demux_wdtac97,
+ &s3c2443_irq_wdtac97,
+ IRQ_S3C2443_WDT, IRQ_S3C2443_AC97);
+
+ return 0;
+}
+
+static struct subsys_interface s3c2443_irq_interface = {
+ .name = "s3c2443_irq",
+ .subsys = &s3c2443_subsys,
+ .add_dev = s3c2443_irq_add,
+};
+
+static int __init s3c2443_irq_init(void)
+{
+ return subsys_interface_register(&s3c2443_irq_interface);
+}
+
+arch_initcall(s3c2443_irq_init);
+#endif
--
1.7.2.3
WARNING: multiple messages have this Message-ID (diff)
From: heiko@sntech.de (Heiko Stübner)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 08/11] ARM: S3C24XX: move s3c2443 irq code to irq.c
Date: Tue, 1 Jan 2013 22:58:04 +0100 [thread overview]
Message-ID: <201301012258.05055.heiko@sntech.de> (raw)
In-Reply-To: <201301012251.15899.heiko@sntech.de>
Prequisite for further optimizations.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm/mach-s3c24xx/Makefile | 2 +-
arch/arm/mach-s3c24xx/irq-s3c2443.c | 281 -----------------------------------
arch/arm/plat-s3c24xx/irq.c | 243 ++++++++++++++++++++++++++++++
3 files changed, 244 insertions(+), 282 deletions(-)
delete mode 100644 arch/arm/mach-s3c24xx/irq-s3c2443.c
diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile
index 30904c9..6019b7c 100644
--- a/arch/arm/mach-s3c24xx/Makefile
+++ b/arch/arm/mach-s3c24xx/Makefile
@@ -33,7 +33,7 @@ obj-$(CONFIG_CPU_S3C2442) += s3c2442.o
obj-$(CONFIG_CPU_S3C244X) += s3c244x.o irq-s3c244x.o clock-s3c244x.o
obj-$(CONFIG_S3C2440_DMA) += dma-s3c2440.o
-obj-$(CONFIG_CPU_S3C2443) += s3c2443.o irq-s3c2443.o clock-s3c2443.o
+obj-$(CONFIG_CPU_S3C2443) += s3c2443.o clock-s3c2443.o
# PM
diff --git a/arch/arm/mach-s3c24xx/irq-s3c2443.c b/arch/arm/mach-s3c24xx/irq-s3c2443.c
deleted file mode 100644
index 5e69109..0000000
--- a/arch/arm/mach-s3c24xx/irq-s3c2443.c
+++ /dev/null
@@ -1,281 +0,0 @@
-/* linux/arch/arm/mach-s3c2443/irq.c
- *
- * Copyright (c) 2007 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- *
- * 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 of the License, or
- * (at your option) any later version.
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/device.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/irq.h>
-
-#include <asm/mach/irq.h>
-
-#include <mach/regs-irq.h>
-#include <mach/regs-gpio.h>
-
-#include <plat/cpu.h>
-#include <plat/pm.h>
-#include <plat/irq.h>
-
-#define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1)
-
-static inline void s3c2443_irq_demux(unsigned int irq, unsigned int len)
-{
- unsigned int subsrc, submsk;
- unsigned int end;
-
- /* read the current pending interrupts, and the mask
- * for what it is available */
-
- subsrc = __raw_readl(S3C2410_SUBSRCPND);
- submsk = __raw_readl(S3C2410_INTSUBMSK);
-
- subsrc &= ~submsk;
- subsrc >>= (irq - S3C2410_IRQSUB(0));
- subsrc &= (1 << len)-1;
-
- end = len + irq;
-
- for (; irq < end && subsrc; irq++) {
- if (subsrc & 1)
- generic_handle_irq(irq);
-
- subsrc >>= 1;
- }
-}
-
-/* WDT/AC97 sub interrupts */
-
-static void s3c2443_irq_demux_wdtac97(unsigned int irq, struct irq_desc *desc)
-{
- s3c2443_irq_demux(IRQ_S3C2443_WDT, 4);
-}
-
-#define INTMSK_WDTAC97 (1UL << (IRQ_WDT - IRQ_EINT0))
-#define SUBMSK_WDTAC97 INTMSK(IRQ_S3C2443_WDT, IRQ_S3C2443_AC97)
-
-static void s3c2443_irq_wdtac97_mask(struct irq_data *data)
-{
- s3c_irqsub_mask(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97);
-}
-
-static void s3c2443_irq_wdtac97_unmask(struct irq_data *data)
-{
- s3c_irqsub_unmask(data->irq, INTMSK_WDTAC97);
-}
-
-static void s3c2443_irq_wdtac97_ack(struct irq_data *data)
-{
- s3c_irqsub_maskack(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97);
-}
-
-static struct irq_chip s3c2443_irq_wdtac97 = {
- .irq_mask = s3c2443_irq_wdtac97_mask,
- .irq_unmask = s3c2443_irq_wdtac97_unmask,
- .irq_ack = s3c2443_irq_wdtac97_ack,
-};
-
-/* LCD sub interrupts */
-
-static void s3c2443_irq_demux_lcd(unsigned int irq, struct irq_desc *desc)
-{
- s3c2443_irq_demux(IRQ_S3C2443_LCD1, 4);
-}
-
-#define INTMSK_LCD (1UL << (IRQ_LCD - IRQ_EINT0))
-#define SUBMSK_LCD INTMSK(IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4)
-
-static void s3c2443_irq_lcd_mask(struct irq_data *data)
-{
- s3c_irqsub_mask(data->irq, INTMSK_LCD, SUBMSK_LCD);
-}
-
-static void s3c2443_irq_lcd_unmask(struct irq_data *data)
-{
- s3c_irqsub_unmask(data->irq, INTMSK_LCD);
-}
-
-static void s3c2443_irq_lcd_ack(struct irq_data *data)
-{
- s3c_irqsub_maskack(data->irq, INTMSK_LCD, SUBMSK_LCD);
-}
-
-static struct irq_chip s3c2443_irq_lcd = {
- .irq_mask = s3c2443_irq_lcd_mask,
- .irq_unmask = s3c2443_irq_lcd_unmask,
- .irq_ack = s3c2443_irq_lcd_ack,
-};
-
-/* DMA sub interrupts */
-
-static void s3c2443_irq_demux_dma(unsigned int irq, struct irq_desc *desc)
-{
- s3c2443_irq_demux(IRQ_S3C2443_DMA0, 6);
-}
-
-#define INTMSK_DMA (1UL << (IRQ_S3C2443_DMA - IRQ_EINT0))
-#define SUBMSK_DMA INTMSK(IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5)
-
-static void s3c2443_irq_dma_mask(struct irq_data *data)
-{
- s3c_irqsub_mask(data->irq, INTMSK_DMA, SUBMSK_DMA);
-}
-
-static void s3c2443_irq_dma_unmask(struct irq_data *data)
-{
- s3c_irqsub_unmask(data->irq, INTMSK_DMA);
-}
-
-static void s3c2443_irq_dma_ack(struct irq_data *data)
-{
- s3c_irqsub_maskack(data->irq, INTMSK_DMA, SUBMSK_DMA);
-}
-
-static struct irq_chip s3c2443_irq_dma = {
- .irq_mask = s3c2443_irq_dma_mask,
- .irq_unmask = s3c2443_irq_dma_unmask,
- .irq_ack = s3c2443_irq_dma_ack,
-};
-
-/* UART3 sub interrupts */
-
-static void s3c2443_irq_demux_uart3(unsigned int irq, struct irq_desc *desc)
-{
- s3c2443_irq_demux(IRQ_S3C2443_RX3, 3);
-}
-
-#define INTMSK_UART3 (1UL << (IRQ_S3C2443_UART3 - IRQ_EINT0))
-#define SUBMSK_UART3 (0x7 << (IRQ_S3C2443_RX3 - S3C2410_IRQSUB(0)))
-
-static void s3c2443_irq_uart3_mask(struct irq_data *data)
-{
- s3c_irqsub_mask(data->irq, INTMSK_UART3, SUBMSK_UART3);
-}
-
-static void s3c2443_irq_uart3_unmask(struct irq_data *data)
-{
- s3c_irqsub_unmask(data->irq, INTMSK_UART3);
-}
-
-static void s3c2443_irq_uart3_ack(struct irq_data *data)
-{
- s3c_irqsub_maskack(data->irq, INTMSK_UART3, SUBMSK_UART3);
-}
-
-static struct irq_chip s3c2443_irq_uart3 = {
- .irq_mask = s3c2443_irq_uart3_mask,
- .irq_unmask = s3c2443_irq_uart3_unmask,
- .irq_ack = s3c2443_irq_uart3_ack,
-};
-
-/* CAM sub interrupts */
-
-static void s3c2443_irq_demux_cam(unsigned int irq, struct irq_desc *desc)
-{
- s3c2443_irq_demux(IRQ_S3C2440_CAM_C, 4);
-}
-
-#define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0))
-#define SUBMSK_CAM INTMSK(IRQ_S3C2440_CAM_C, IRQ_S3C2440_CAM_P)
-
-static void s3c2443_irq_cam_mask(struct irq_data *data)
-{
- s3c_irqsub_mask(data->irq, INTMSK_CAM, SUBMSK_CAM);
-}
-
-static void s3c2443_irq_cam_unmask(struct irq_data *data)
-{
- s3c_irqsub_unmask(data->irq, INTMSK_CAM);
-}
-
-static void s3c2443_irq_cam_ack(struct irq_data *data)
-{
- s3c_irqsub_maskack(data->irq, INTMSK_CAM, SUBMSK_CAM);
-}
-
-static struct irq_chip s3c2443_irq_cam = {
- .irq_mask = s3c2443_irq_cam_mask,
- .irq_unmask = s3c2443_irq_cam_unmask,
- .irq_ack = s3c2443_irq_cam_ack,
-};
-
-/* IRQ initialisation code */
-
-static int s3c2443_add_sub(unsigned int base,
- void (*demux)(unsigned int,
- struct irq_desc *),
- struct irq_chip *chip,
- unsigned int start, unsigned int end)
-{
- unsigned int irqno;
-
- irq_set_chip_and_handler(base, &s3c_irq_level_chip, handle_level_irq);
- irq_set_chained_handler(base, demux);
-
- for (irqno = start; irqno <= end; irqno++) {
- irq_set_chip_and_handler(irqno, chip, handle_level_irq);
- set_irq_flags(irqno, IRQF_VALID);
- }
-
- return 0;
-}
-
-static int s3c2443_irq_add(struct device *dev,
- struct subsys_interface *sif)
-{
- printk("S3C2443: IRQ Support\n");
-
- s3c2443_add_sub(IRQ_CAM, s3c2443_irq_demux_cam, &s3c2443_irq_cam,
- IRQ_S3C2440_CAM_C, IRQ_S3C2440_CAM_P);
-
- s3c2443_add_sub(IRQ_LCD, s3c2443_irq_demux_lcd, &s3c2443_irq_lcd,
- IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4);
-
- s3c2443_add_sub(IRQ_S3C2443_DMA, s3c2443_irq_demux_dma,
- &s3c2443_irq_dma, IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5);
-
- s3c2443_add_sub(IRQ_S3C2443_UART3, s3c2443_irq_demux_uart3,
- &s3c2443_irq_uart3,
- IRQ_S3C2443_RX3, IRQ_S3C2443_ERR3);
-
- s3c2443_add_sub(IRQ_WDT, s3c2443_irq_demux_wdtac97,
- &s3c2443_irq_wdtac97,
- IRQ_S3C2443_WDT, IRQ_S3C2443_AC97);
-
- return 0;
-}
-
-static struct subsys_interface s3c2443_irq_interface = {
- .name = "s3c2443_irq",
- .subsys = &s3c2443_subsys,
- .add_dev = s3c2443_irq_add,
-};
-
-static int __init s3c2443_irq_init(void)
-{
- return subsys_interface_register(&s3c2443_irq_interface);
-}
-
-arch_initcall(s3c2443_irq_init);
-
diff --git a/arch/arm/plat-s3c24xx/irq.c b/arch/arm/plat-s3c24xx/irq.c
index 646861a..e021c44 100644
--- a/arch/arm/plat-s3c24xx/irq.c
+++ b/arch/arm/plat-s3c24xx/irq.c
@@ -806,3 +806,246 @@ struct syscore_ops s3c2416_irq_syscore_ops = {
#endif
#endif
+
+#ifdef CONFIG_CPU_S3C2443
+#define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1)
+
+static inline void s3c2443_irq_demux(unsigned int irq, unsigned int len)
+{
+ unsigned int subsrc, submsk;
+ unsigned int end;
+
+ /* read the current pending interrupts, and the mask
+ * for what it is available */
+
+ subsrc = __raw_readl(S3C2410_SUBSRCPND);
+ submsk = __raw_readl(S3C2410_INTSUBMSK);
+
+ subsrc &= ~submsk;
+ subsrc >>= (irq - S3C2410_IRQSUB(0));
+ subsrc &= (1 << len)-1;
+
+ end = len + irq;
+
+ for (; irq < end && subsrc; irq++) {
+ if (subsrc & 1)
+ generic_handle_irq(irq);
+
+ subsrc >>= 1;
+ }
+}
+
+/* WDT/AC97 sub interrupts */
+
+static void s3c2443_irq_demux_wdtac97(unsigned int irq, struct irq_desc *desc)
+{
+ s3c2443_irq_demux(IRQ_S3C2443_WDT, 4);
+}
+
+#define INTMSK_WDTAC97 (1UL << (IRQ_WDT - IRQ_EINT0))
+#define SUBMSK_WDTAC97 INTMSK(IRQ_S3C2443_WDT, IRQ_S3C2443_AC97)
+
+static void s3c2443_irq_wdtac97_mask(struct irq_data *data)
+{
+ s3c_irqsub_mask(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97);
+}
+
+static void s3c2443_irq_wdtac97_unmask(struct irq_data *data)
+{
+ s3c_irqsub_unmask(data->irq, INTMSK_WDTAC97);
+}
+
+static void s3c2443_irq_wdtac97_ack(struct irq_data *data)
+{
+ s3c_irqsub_maskack(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97);
+}
+
+static struct irq_chip s3c2443_irq_wdtac97 = {
+ .irq_mask = s3c2443_irq_wdtac97_mask,
+ .irq_unmask = s3c2443_irq_wdtac97_unmask,
+ .irq_ack = s3c2443_irq_wdtac97_ack,
+};
+
+/* LCD sub interrupts */
+
+static void s3c2443_irq_demux_lcd(unsigned int irq, struct irq_desc *desc)
+{
+ s3c2443_irq_demux(IRQ_S3C2443_LCD1, 4);
+}
+
+#define INTMSK_LCD (1UL << (IRQ_LCD - IRQ_EINT0))
+#define SUBMSK_LCD INTMSK(IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4)
+
+static void s3c2443_irq_lcd_mask(struct irq_data *data)
+{
+ s3c_irqsub_mask(data->irq, INTMSK_LCD, SUBMSK_LCD);
+}
+
+static void s3c2443_irq_lcd_unmask(struct irq_data *data)
+{
+ s3c_irqsub_unmask(data->irq, INTMSK_LCD);
+}
+
+static void s3c2443_irq_lcd_ack(struct irq_data *data)
+{
+ s3c_irqsub_maskack(data->irq, INTMSK_LCD, SUBMSK_LCD);
+}
+
+static struct irq_chip s3c2443_irq_lcd = {
+ .irq_mask = s3c2443_irq_lcd_mask,
+ .irq_unmask = s3c2443_irq_lcd_unmask,
+ .irq_ack = s3c2443_irq_lcd_ack,
+};
+
+/* DMA sub interrupts */
+
+static void s3c2443_irq_demux_dma(unsigned int irq, struct irq_desc *desc)
+{
+ s3c2443_irq_demux(IRQ_S3C2443_DMA0, 6);
+}
+
+#define INTMSK_DMA (1UL << (IRQ_S3C2443_DMA - IRQ_EINT0))
+#define SUBMSK_DMA INTMSK(IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5)
+
+static void s3c2443_irq_dma_mask(struct irq_data *data)
+{
+ s3c_irqsub_mask(data->irq, INTMSK_DMA, SUBMSK_DMA);
+}
+
+static void s3c2443_irq_dma_unmask(struct irq_data *data)
+{
+ s3c_irqsub_unmask(data->irq, INTMSK_DMA);
+}
+
+static void s3c2443_irq_dma_ack(struct irq_data *data)
+{
+ s3c_irqsub_maskack(data->irq, INTMSK_DMA, SUBMSK_DMA);
+}
+
+static struct irq_chip s3c2443_irq_dma = {
+ .irq_mask = s3c2443_irq_dma_mask,
+ .irq_unmask = s3c2443_irq_dma_unmask,
+ .irq_ack = s3c2443_irq_dma_ack,
+};
+
+/* UART3 sub interrupts */
+
+static void s3c2443_irq_demux_uart3(unsigned int irq, struct irq_desc *desc)
+{
+ s3c2443_irq_demux(IRQ_S3C2443_RX3, 3);
+}
+
+#define INTMSK_UART3 (1UL << (IRQ_S3C2443_UART3 - IRQ_EINT0))
+#define SUBMSK_UART3 (0x7 << (IRQ_S3C2443_RX3 - S3C2410_IRQSUB(0)))
+
+static void s3c2443_irq_uart3_mask(struct irq_data *data)
+{
+ s3c_irqsub_mask(data->irq, INTMSK_UART3, SUBMSK_UART3);
+}
+
+static void s3c2443_irq_uart3_unmask(struct irq_data *data)
+{
+ s3c_irqsub_unmask(data->irq, INTMSK_UART3);
+}
+
+static void s3c2443_irq_uart3_ack(struct irq_data *data)
+{
+ s3c_irqsub_maskack(data->irq, INTMSK_UART3, SUBMSK_UART3);
+}
+
+static struct irq_chip s3c2443_irq_uart3 = {
+ .irq_mask = s3c2443_irq_uart3_mask,
+ .irq_unmask = s3c2443_irq_uart3_unmask,
+ .irq_ack = s3c2443_irq_uart3_ack,
+};
+
+/* CAM sub interrupts */
+
+static void s3c2443_irq_demux_cam(unsigned int irq, struct irq_desc *desc)
+{
+ s3c2443_irq_demux(IRQ_S3C2440_CAM_C, 4);
+}
+
+#define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0))
+#define SUBMSK_CAM INTMSK(IRQ_S3C2440_CAM_C, IRQ_S3C2440_CAM_P)
+
+static void s3c2443_irq_cam_mask(struct irq_data *data)
+{
+ s3c_irqsub_mask(data->irq, INTMSK_CAM, SUBMSK_CAM);
+}
+
+static void s3c2443_irq_cam_unmask(struct irq_data *data)
+{
+ s3c_irqsub_unmask(data->irq, INTMSK_CAM);
+}
+
+static void s3c2443_irq_cam_ack(struct irq_data *data)
+{
+ s3c_irqsub_maskack(data->irq, INTMSK_CAM, SUBMSK_CAM);
+}
+
+static struct irq_chip s3c2443_irq_cam = {
+ .irq_mask = s3c2443_irq_cam_mask,
+ .irq_unmask = s3c2443_irq_cam_unmask,
+ .irq_ack = s3c2443_irq_cam_ack,
+};
+
+/* IRQ initialisation code */
+
+static int s3c2443_add_sub(unsigned int base,
+ void (*demux)(unsigned int,
+ struct irq_desc *),
+ struct irq_chip *chip,
+ unsigned int start, unsigned int end)
+{
+ unsigned int irqno;
+
+ irq_set_chip_and_handler(base, &s3c_irq_level_chip, handle_level_irq);
+ irq_set_chained_handler(base, demux);
+
+ for (irqno = start; irqno <= end; irqno++) {
+ irq_set_chip_and_handler(irqno, chip, handle_level_irq);
+ set_irq_flags(irqno, IRQF_VALID);
+ }
+
+ return 0;
+}
+
+static int s3c2443_irq_add(struct device *dev,
+ struct subsys_interface *sif)
+{
+ printk("S3C2443: IRQ Support\n");
+
+ s3c2443_add_sub(IRQ_CAM, s3c2443_irq_demux_cam, &s3c2443_irq_cam,
+ IRQ_S3C2440_CAM_C, IRQ_S3C2440_CAM_P);
+
+ s3c2443_add_sub(IRQ_LCD, s3c2443_irq_demux_lcd, &s3c2443_irq_lcd,
+ IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4);
+
+ s3c2443_add_sub(IRQ_S3C2443_DMA, s3c2443_irq_demux_dma,
+ &s3c2443_irq_dma, IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5);
+
+ s3c2443_add_sub(IRQ_S3C2443_UART3, s3c2443_irq_demux_uart3,
+ &s3c2443_irq_uart3,
+ IRQ_S3C2443_RX3, IRQ_S3C2443_ERR3);
+
+ s3c2443_add_sub(IRQ_WDT, s3c2443_irq_demux_wdtac97,
+ &s3c2443_irq_wdtac97,
+ IRQ_S3C2443_WDT, IRQ_S3C2443_AC97);
+
+ return 0;
+}
+
+static struct subsys_interface s3c2443_irq_interface = {
+ .name = "s3c2443_irq",
+ .subsys = &s3c2443_subsys,
+ .add_dev = s3c2443_irq_add,
+};
+
+static int __init s3c2443_irq_init(void)
+{
+ return subsys_interface_register(&s3c2443_irq_interface);
+}
+
+arch_initcall(s3c2443_irq_init);
+#endif
--
1.7.2.3
next prev parent reply other threads:[~2013-01-01 21:58 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-01 21:51 [PATCH v2 00/11] ARM: S3C24XX: rework irq handling for a later dt usage Heiko Stübner
2013-01-01 21:51 ` Heiko Stübner
2013-01-01 21:52 ` [PATCH v2 01/11] ARM: S3C24XX: transform irq handling into a declarative form Heiko Stübner
2013-01-01 21:52 ` Heiko Stübner
2013-01-01 21:53 ` [PATCH v2 02/11] ARM: S3C24XX: move irq-pm code into main irq file Heiko Stübner
2013-01-01 21:53 ` Heiko Stübner
2013-01-01 21:54 ` [PATCH v2 03/11] ARM: S3C24XX: cleanup irq-pm integration Heiko Stübner
2013-01-01 21:54 ` Heiko Stübner
2013-01-01 21:55 ` [PATCH v2 04/11] ARM: S3C24XX: move s3c2416 irq init to common irq code Heiko Stübner
2013-01-01 21:55 ` Heiko Stübner
2013-01-01 21:55 ` [PATCH v2 05/11] ARM: S3C24XX: modify s3c2416 irq init to initialize all irqs Heiko Stübner
2013-01-01 21:55 ` Heiko Stübner
2013-01-01 21:56 ` [PATCH v2 06/11] ARM: S3C24XX: assimilate s3c2416 subirqs into new structure Heiko Stübner
2013-01-01 21:56 ` Heiko Stübner
2013-01-01 21:57 ` [PATCH v2 07/11] ARM: S3C24XX: assimilate second s3c2416 interrupt " Heiko Stübner
2013-01-01 21:57 ` Heiko Stübner
2013-01-01 21:58 ` Heiko Stübner [this message]
2013-01-01 21:58 ` [PATCH v2 08/11] ARM: S3C24XX: move s3c2443 irq code to irq.c Heiko Stübner
2013-01-01 21:58 ` [PATCH v2 09/11] ARM: S3C24XX: modify s3c2443 irq init to initialize all irqs Heiko Stübner
2013-01-01 21:58 ` Heiko Stübner
2013-01-01 21:59 ` [PATCH v2 10/11] ARM: S3C24XX: assimilate s3c2443 subirqs into new structure Heiko Stübner
2013-01-01 21:59 ` Heiko Stübner
2013-01-01 21:59 ` [PATCH v2 11/11] ARM: S3C24XX: remove maskack irq ack funtions Heiko Stübner
2013-01-01 21:59 ` Heiko Stübner
2013-01-02 23:34 ` [PATCH v2 00/11] ARM: S3C24XX: rework irq handling for a later dt usage Kukjin Kim
2013-01-02 23:34 ` Kukjin Kim
2013-01-03 0:48 ` Heiko Stübner
2013-01-03 0:48 ` Heiko Stübner
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