diff options
author | Kukjin Kim <kgene.kim@samsung.com> | 2011-02-14 16:10:55 +0900 |
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committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-02-22 13:51:15 +0900 |
commit | c81a24ff8f4efda02ffaa0c3170155550bcae339 (patch) | |
tree | e26a5c26cda9291b4d4881be128db254cbf66fe5 /arch/arm/mach-s5pv310 | |
parent | b3ed3a174c419702eddf9fb28636f6e4baa29d03 (diff) | |
download | blackbird-op-linux-c81a24ff8f4efda02ffaa0c3170155550bcae339.tar.gz blackbird-op-linux-c81a24ff8f4efda02ffaa0c3170155550bcae339.zip |
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.h | 146 | ||||
-rw-r--r-- | arch/arm/mach-s5pv310/include/mach/regs-irq.h | 19 | ||||
-rw-r--r-- | arch/arm/mach-s5pv310/irq-combiner.c | 127 | ||||
-rw-r--r-- | arch/arm/mach-s5pv310/irq-eint.c | 229 |
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 536b0b59fc83..000000000000 --- 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 c6e09c7f9161..000000000000 --- 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 1ea4a9e83bbe..000000000000 --- 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 477bd9e97f0f..000000000000 --- 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); |