summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-s5pv310
diff options
context:
space:
mode:
authorKukjin Kim <kgene.kim@samsung.com>2011-02-14 16:10:55 +0900
committerKukjin Kim <kgene.kim@samsung.com>2011-02-22 13:51:15 +0900
commitc81a24ff8f4efda02ffaa0c3170155550bcae339 (patch)
treee26a5c26cda9291b4d4881be128db254cbf66fe5 /arch/arm/mach-s5pv310
parentb3ed3a174c419702eddf9fb28636f6e4baa29d03 (diff)
ARM: EXYNOS4: Update IRQ part
This patch updates IRQ part of EXYNOS4 according to the change of ARCH name, EXYNOS4. Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s5pv310')
-rw-r--r--arch/arm/mach-s5pv310/include/mach/irqs.h146
-rw-r--r--arch/arm/mach-s5pv310/include/mach/regs-irq.h19
-rw-r--r--arch/arm/mach-s5pv310/irq-combiner.c127
-rw-r--r--arch/arm/mach-s5pv310/irq-eint.c229
4 files changed, 0 insertions, 521 deletions
diff --git a/arch/arm/mach-s5pv310/include/mach/irqs.h b/arch/arm/mach-s5pv310/include/mach/irqs.h
deleted file mode 100644
index 536b0b59fc8..00000000000
--- a/arch/arm/mach-s5pv310/include/mach/irqs.h
+++ /dev/null
@@ -1,146 +0,0 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/irqs.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- * http://www.samsung.com/
- *
- * S5PV310 - IRQ definitions
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_IRQS_H
-#define __ASM_ARCH_IRQS_H __FILE__
-
-#include <plat/irqs.h>
-
-/* PPI: Private Peripheral Interrupt */
-
-#define IRQ_PPI(x) S5P_IRQ(x+16)
-
-#define IRQ_LOCALTIMER IRQ_PPI(13)
-
-/* SPI: Shared Peripheral Interrupt */
-
-#define IRQ_SPI(x) S5P_IRQ(x+32)
-
-#define IRQ_MCT1 IRQ_SPI(35)
-
-#define IRQ_EINT0 IRQ_SPI(40)
-#define IRQ_EINT1 IRQ_SPI(41)
-#define IRQ_EINT2 IRQ_SPI(42)
-#define IRQ_EINT3 IRQ_SPI(43)
-#define IRQ_USB_HSOTG IRQ_SPI(44)
-#define IRQ_USB_HOST IRQ_SPI(45)
-#define IRQ_MODEM_IF IRQ_SPI(46)
-#define IRQ_ROTATOR IRQ_SPI(47)
-#define IRQ_JPEG IRQ_SPI(48)
-#define IRQ_2D IRQ_SPI(49)
-#define IRQ_PCIE IRQ_SPI(50)
-#define IRQ_MCT0 IRQ_SPI(51)
-#define IRQ_MFC IRQ_SPI(52)
-#define IRQ_AUDIO_SS IRQ_SPI(54)
-#define IRQ_AC97 IRQ_SPI(55)
-#define IRQ_SPDIF IRQ_SPI(56)
-#define IRQ_KEYPAD IRQ_SPI(57)
-#define IRQ_INTFEEDCTRL_SSS IRQ_SPI(58)
-#define IRQ_SLIMBUS IRQ_SPI(59)
-#define IRQ_PMU IRQ_SPI(60)
-#define IRQ_TSI IRQ_SPI(61)
-#define IRQ_SATA IRQ_SPI(62)
-#define IRQ_GPS IRQ_SPI(63)
-
-#define MAX_IRQ_IN_COMBINER 8
-#define COMBINER_GROUP(x) ((x) * MAX_IRQ_IN_COMBINER + IRQ_SPI(64))
-#define COMBINER_IRQ(x, y) (COMBINER_GROUP(x) + y)
-
-#define IRQ_SYSMMU_MDMA0_0 COMBINER_IRQ(4, 0)
-#define IRQ_SYSMMU_SSS_0 COMBINER_IRQ(4, 1)
-#define IRQ_SYSMMU_FIMC0_0 COMBINER_IRQ(4, 2)
-#define IRQ_SYSMMU_FIMC1_0 COMBINER_IRQ(4, 3)
-#define IRQ_SYSMMU_FIMC2_0 COMBINER_IRQ(4, 4)
-#define IRQ_SYSMMU_FIMC3_0 COMBINER_IRQ(4, 5)
-#define IRQ_SYSMMU_JPEG_0 COMBINER_IRQ(4, 6)
-#define IRQ_SYSMMU_2D_0 COMBINER_IRQ(4, 7)
-
-#define IRQ_SYSMMU_ROTATOR_0 COMBINER_IRQ(5, 0)
-#define IRQ_SYSMMU_MDMA1_0 COMBINER_IRQ(5, 1)
-#define IRQ_SYSMMU_LCD0_M0_0 COMBINER_IRQ(5, 2)
-#define IRQ_SYSMMU_LCD1_M1_0 COMBINER_IRQ(5, 3)
-#define IRQ_SYSMMU_TV_M0_0 COMBINER_IRQ(5, 4)
-#define IRQ_SYSMMU_MFC_M0_0 COMBINER_IRQ(5, 5)
-#define IRQ_SYSMMU_MFC_M1_0 COMBINER_IRQ(5, 6)
-#define IRQ_SYSMMU_PCIE_0 COMBINER_IRQ(5, 7)
-
-#define IRQ_PDMA0 COMBINER_IRQ(21, 0)
-#define IRQ_PDMA1 COMBINER_IRQ(21, 1)
-
-#define IRQ_TIMER0_VIC COMBINER_IRQ(22, 0)
-#define IRQ_TIMER1_VIC COMBINER_IRQ(22, 1)
-#define IRQ_TIMER2_VIC COMBINER_IRQ(22, 2)
-#define IRQ_TIMER3_VIC COMBINER_IRQ(22, 3)
-#define IRQ_TIMER4_VIC COMBINER_IRQ(22, 4)
-
-#define IRQ_RTC_ALARM COMBINER_IRQ(23, 0)
-#define IRQ_RTC_TIC COMBINER_IRQ(23, 1)
-
-#define IRQ_UART0 COMBINER_IRQ(26, 0)
-#define IRQ_UART1 COMBINER_IRQ(26, 1)
-#define IRQ_UART2 COMBINER_IRQ(26, 2)
-#define IRQ_UART3 COMBINER_IRQ(26, 3)
-#define IRQ_UART4 COMBINER_IRQ(26, 4)
-
-#define IRQ_IIC COMBINER_IRQ(27, 0)
-#define IRQ_IIC1 COMBINER_IRQ(27, 1)
-#define IRQ_IIC2 COMBINER_IRQ(27, 2)
-#define IRQ_IIC3 COMBINER_IRQ(27, 3)
-#define IRQ_IIC4 COMBINER_IRQ(27, 4)
-#define IRQ_IIC5 COMBINER_IRQ(27, 5)
-#define IRQ_IIC6 COMBINER_IRQ(27, 6)
-#define IRQ_IIC7 COMBINER_IRQ(27, 7)
-
-#define IRQ_HSMMC0 COMBINER_IRQ(29, 0)
-#define IRQ_HSMMC1 COMBINER_IRQ(29, 1)
-#define IRQ_HSMMC2 COMBINER_IRQ(29, 2)
-#define IRQ_HSMMC3 COMBINER_IRQ(29, 3)
-
-#define IRQ_MIPI_CSIS0 COMBINER_IRQ(30, 0)
-#define IRQ_MIPI_CSIS1 COMBINER_IRQ(30, 1)
-
-#define IRQ_ONENAND_AUDI COMBINER_IRQ(34, 0)
-
-#define IRQ_MCT_L1 COMBINER_IRQ(35, 3)
-
-#define IRQ_EINT4 COMBINER_IRQ(37, 0)
-#define IRQ_EINT5 COMBINER_IRQ(37, 1)
-#define IRQ_EINT6 COMBINER_IRQ(37, 2)
-#define IRQ_EINT7 COMBINER_IRQ(37, 3)
-#define IRQ_EINT8 COMBINER_IRQ(38, 0)
-
-#define IRQ_EINT9 COMBINER_IRQ(38, 1)
-#define IRQ_EINT10 COMBINER_IRQ(38, 2)
-#define IRQ_EINT11 COMBINER_IRQ(38, 3)
-#define IRQ_EINT12 COMBINER_IRQ(38, 4)
-#define IRQ_EINT13 COMBINER_IRQ(38, 5)
-#define IRQ_EINT14 COMBINER_IRQ(38, 6)
-#define IRQ_EINT15 COMBINER_IRQ(38, 7)
-
-#define IRQ_EINT16_31 COMBINER_IRQ(39, 0)
-
-#define IRQ_MCT_L0 COMBINER_IRQ(51, 0)
-
-#define IRQ_WDT COMBINER_IRQ(53, 0)
-
-#define MAX_COMBINER_NR 54
-
-#define S5P_IRQ_EINT_BASE COMBINER_IRQ(MAX_COMBINER_NR, 0)
-
-#define S5P_EINT_BASE1 (S5P_IRQ_EINT_BASE + 0)
-#define S5P_EINT_BASE2 (S5P_IRQ_EINT_BASE + 16)
-
-/* Set the default NR_IRQS */
-
-#define NR_IRQS (S5P_IRQ_EINT_BASE + 32)
-
-#endif /* __ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-s5pv310/include/mach/regs-irq.h b/arch/arm/mach-s5pv310/include/mach/regs-irq.h
deleted file mode 100644
index c6e09c7f916..00000000000
--- a/arch/arm/mach-s5pv310/include/mach/regs-irq.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/regs-irq.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- * http://www.samsung.com/
- *
- * S5PV310 - IRQ register definitions
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_REGS_IRQ_H
-#define __ASM_ARCH_REGS_IRQ_H __FILE__
-
-#include <asm/hardware/gic.h>
-#include <mach/map.h>
-
-#endif /* __ASM_ARCH_REGS_IRQ_H */
diff --git a/arch/arm/mach-s5pv310/irq-combiner.c b/arch/arm/mach-s5pv310/irq-combiner.c
deleted file mode 100644
index 1ea4a9e83bb..00000000000
--- a/arch/arm/mach-s5pv310/irq-combiner.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/* linux/arch/arm/mach-s5pv310/irq-combiner.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Based on arch/arm/common/gic.c
- *
- * IRQ COMBINER support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/io.h>
-
-#include <asm/mach/irq.h>
-
-#define COMBINER_ENABLE_SET 0x0
-#define COMBINER_ENABLE_CLEAR 0x4
-#define COMBINER_INT_STATUS 0xC
-
-static DEFINE_SPINLOCK(irq_controller_lock);
-
-struct combiner_chip_data {
- unsigned int irq_offset;
- unsigned int irq_mask;
- void __iomem *base;
-};
-
-static struct combiner_chip_data combiner_data[MAX_COMBINER_NR];
-
-static inline void __iomem *combiner_base(struct irq_data *data)
-{
- struct combiner_chip_data *combiner_data =
- irq_data_get_irq_chip_data(data);
-
- return combiner_data->base;
-}
-
-static void combiner_mask_irq(struct irq_data *data)
-{
- u32 mask = 1 << (data->irq % 32);
-
- __raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_CLEAR);
-}
-
-static void combiner_unmask_irq(struct irq_data *data)
-{
- u32 mask = 1 << (data->irq % 32);
-
- __raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_SET);
-}
-
-static void combiner_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
-{
- struct combiner_chip_data *chip_data = get_irq_data(irq);
- struct irq_chip *chip = get_irq_chip(irq);
- unsigned int cascade_irq, combiner_irq;
- unsigned long status;
-
- /* primary controller ack'ing */
- chip->irq_ack(&desc->irq_data);
-
- spin_lock(&irq_controller_lock);
- status = __raw_readl(chip_data->base + COMBINER_INT_STATUS);
- spin_unlock(&irq_controller_lock);
- status &= chip_data->irq_mask;
-
- if (status == 0)
- goto out;
-
- combiner_irq = __ffs(status);
-
- cascade_irq = combiner_irq + (chip_data->irq_offset & ~31);
- if (unlikely(cascade_irq >= NR_IRQS))
- do_bad_IRQ(cascade_irq, desc);
- else
- generic_handle_irq(cascade_irq);
-
- out:
- /* primary controller unmasking */
- chip->irq_unmask(&desc->irq_data);
-}
-
-static struct irq_chip combiner_chip = {
- .name = "COMBINER",
- .irq_mask = combiner_mask_irq,
- .irq_unmask = combiner_unmask_irq,
-};
-
-void __init combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq)
-{
- if (combiner_nr >= MAX_COMBINER_NR)
- BUG();
- if (set_irq_data(irq, &combiner_data[combiner_nr]) != 0)
- BUG();
- set_irq_chained_handler(irq, combiner_handle_cascade_irq);
-}
-
-void __init combiner_init(unsigned int combiner_nr, void __iomem *base,
- unsigned int irq_start)
-{
- unsigned int i;
-
- if (combiner_nr >= MAX_COMBINER_NR)
- BUG();
-
- combiner_data[combiner_nr].base = base;
- combiner_data[combiner_nr].irq_offset = irq_start;
- combiner_data[combiner_nr].irq_mask = 0xff << ((combiner_nr % 4) << 3);
-
- /* Disable all interrupts */
-
- __raw_writel(combiner_data[combiner_nr].irq_mask,
- base + COMBINER_ENABLE_CLEAR);
-
- /* Setup the Linux IRQ subsystem */
-
- for (i = irq_start; i < combiner_data[combiner_nr].irq_offset
- + MAX_IRQ_IN_COMBINER; i++) {
- set_irq_chip(i, &combiner_chip);
- set_irq_chip_data(i, &combiner_data[combiner_nr]);
- set_irq_handler(i, handle_level_irq);
- set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
- }
-}
diff --git a/arch/arm/mach-s5pv310/irq-eint.c b/arch/arm/mach-s5pv310/irq-eint.c
deleted file mode 100644
index 477bd9e97f0..00000000000
--- a/arch/arm/mach-s5pv310/irq-eint.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/* linux/arch/arm/mach-s5pv310/irq-eint.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * S5PV310 - IRQ EINT support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <linux/sysdev.h>
-#include <linux/gpio.h>
-
-#include <plat/pm.h>
-#include <plat/cpu.h>
-#include <plat/gpio-cfg.h>
-
-#include <mach/regs-gpio.h>
-
-static DEFINE_SPINLOCK(eint_lock);
-
-static unsigned int eint0_15_data[16];
-
-static unsigned int s5pv310_get_irq_nr(unsigned int number)
-{
- u32 ret = 0;
-
- switch (number) {
- case 0 ... 3:
- ret = (number + IRQ_EINT0);
- break;
- case 4 ... 7:
- ret = (number + (IRQ_EINT4 - 4));
- break;
- case 8 ... 15:
- ret = (number + (IRQ_EINT8 - 8));
- break;
- default:
- printk(KERN_ERR "number available : %d\n", number);
- }
-
- return ret;
-}
-
-static inline void s5pv310_irq_eint_mask(struct irq_data *data)
-{
- u32 mask;
-
- spin_lock(&eint_lock);
- mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(data->irq)));
- mask |= eint_irq_to_bit(data->irq);
- __raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(data->irq)));
- spin_unlock(&eint_lock);
-}
-
-static void s5pv310_irq_eint_unmask(struct irq_data *data)
-{
- u32 mask;
-
- spin_lock(&eint_lock);
- mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(data->irq)));
- mask &= ~(eint_irq_to_bit(data->irq));
- __raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(data->irq)));
- spin_unlock(&eint_lock);
-}
-
-static inline void s5pv310_irq_eint_ack(struct irq_data *data)
-{
- __raw_writel(eint_irq_to_bit(data->irq),
- S5P_EINT_PEND(EINT_REG_NR(data->irq)));
-}
-
-static void s5pv310_irq_eint_maskack(struct irq_data *data)
-{
- s5pv310_irq_eint_mask(data);
- s5pv310_irq_eint_ack(data);
-}
-
-static int s5pv310_irq_eint_set_type(struct irq_data *data, unsigned int type)
-{
- int offs = EINT_OFFSET(data->irq);
- int shift;
- u32 ctrl, mask;
- u32 newvalue = 0;
-
- switch (type) {
- case IRQ_TYPE_EDGE_RISING:
- newvalue = S5P_IRQ_TYPE_EDGE_RISING;
- break;
-
- case IRQ_TYPE_EDGE_FALLING:
- newvalue = S5P_IRQ_TYPE_EDGE_FALLING;
- break;
-
- case IRQ_TYPE_EDGE_BOTH:
- newvalue = S5P_IRQ_TYPE_EDGE_BOTH;
- break;
-
- case IRQ_TYPE_LEVEL_LOW:
- newvalue = S5P_IRQ_TYPE_LEVEL_LOW;
- break;
-
- case IRQ_TYPE_LEVEL_HIGH:
- newvalue = S5P_IRQ_TYPE_LEVEL_HIGH;
- break;
-
- default:
- printk(KERN_ERR "No such irq type %d", type);
- return -EINVAL;
- }
-
- shift = (offs & 0x7) * 4;
- mask = 0x7 << shift;
-
- spin_lock(&eint_lock);
- ctrl = __raw_readl(S5P_EINT_CON(EINT_REG_NR(data->irq)));
- ctrl &= ~mask;
- ctrl |= newvalue << shift;
- __raw_writel(ctrl, S5P_EINT_CON(EINT_REG_NR(data->irq)));
- spin_unlock(&eint_lock);
-
- switch (offs) {
- case 0 ... 7:
- s3c_gpio_cfgpin(EINT_GPIO_0(offs & 0x7), EINT_MODE);
- break;
- case 8 ... 15:
- s3c_gpio_cfgpin(EINT_GPIO_1(offs & 0x7), EINT_MODE);
- break;
- case 16 ... 23:
- s3c_gpio_cfgpin(EINT_GPIO_2(offs & 0x7), EINT_MODE);
- break;
- case 24 ... 31:
- s3c_gpio_cfgpin(EINT_GPIO_3(offs & 0x7), EINT_MODE);
- break;
- default:
- printk(KERN_ERR "No such irq number %d", offs);
- }
-
- return 0;
-}
-
-static struct irq_chip s5pv310_irq_eint = {
- .name = "s5pv310-eint",
- .irq_mask = s5pv310_irq_eint_mask,
- .irq_unmask = s5pv310_irq_eint_unmask,
- .irq_mask_ack = s5pv310_irq_eint_maskack,
- .irq_ack = s5pv310_irq_eint_ack,
- .irq_set_type = s5pv310_irq_eint_set_type,
-#ifdef CONFIG_PM
- .irq_set_wake = s3c_irqext_wake,
-#endif
-};
-
-/* s5pv310_irq_demux_eint
- *
- * This function demuxes the IRQ from from EINTs 16 to 31.
- * It is designed to be inlined into the specific handler
- * s5p_irq_demux_eintX_Y.
- *
- * Each EINT pend/mask registers handle eight of them.
- */
-static inline void s5pv310_irq_demux_eint(unsigned int start)
-{
- unsigned int irq;
-
- u32 status = __raw_readl(S5P_EINT_PEND(EINT_REG_NR(start)));
- u32 mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(start)));
-
- status &= ~mask;
- status &= 0xff;
-
- while (status) {
- irq = fls(status) - 1;
- generic_handle_irq(irq + start);
- status &= ~(1 << irq);
- }
-}
-
-static void s5pv310_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
-{
- s5pv310_irq_demux_eint(IRQ_EINT(16));
- s5pv310_irq_demux_eint(IRQ_EINT(24));
-}
-
-static void s5pv310_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
-{
- u32 *irq_data = get_irq_data(irq);
- struct irq_chip *chip = get_irq_chip(irq);
-
- chip->irq_mask(&desc->irq_data);
-
- if (chip->irq_ack)
- chip->irq_ack(&desc->irq_data);
-
- generic_handle_irq(*irq_data);
-
- chip->irq_unmask(&desc->irq_data);
-}
-
-int __init s5pv310_init_irq_eint(void)
-{
- int irq;
-
- for (irq = 0 ; irq <= 31 ; irq++) {
- set_irq_chip(IRQ_EINT(irq), &s5pv310_irq_eint);
- set_irq_handler(IRQ_EINT(irq), handle_level_irq);
- set_irq_flags(IRQ_EINT(irq), IRQF_VALID);
- }
-
- set_irq_chained_handler(IRQ_EINT16_31, s5pv310_irq_demux_eint16_31);
-
- for (irq = 0 ; irq <= 15 ; irq++) {
- eint0_15_data[irq] = IRQ_EINT(irq);
-
- set_irq_data(s5pv310_get_irq_nr(irq), &eint0_15_data[irq]);
- set_irq_chained_handler(s5pv310_get_irq_nr(irq),
- s5pv310_irq_eint0_15);
- }
-
- return 0;
-}
-
-arch_initcall(s5pv310_init_irq_eint);