diff options
author | Stephen Boyd <sboyd@codeaurora.org> | 2015-03-13 11:09:34 -0700 |
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committer | Kumar Gala <galak@codeaurora.org> | 2015-03-27 11:31:02 -0500 |
commit | c0c89fafa289ea241ba3fb22d6f583f8089a719e (patch) | |
tree | 43e48055d1330a7fece805554b87f372d63e718d /arch/arm/mach-msm/irq-vic.c | |
parent | 9eccca0843205f87c00404b663188b88eb248051 (diff) | |
download | op-kernel-dev-c0c89fafa289ea241ba3fb22d6f583f8089a719e.zip op-kernel-dev-c0c89fafa289ea241ba3fb22d6f583f8089a719e.tar.gz |
ARM: Remove mach-msm and associated ARM architecture code
The maintainers for mach-msm no longer have any plans to support
or test the platforms supported by this architecture[1]. Most likely
there aren't any active users of this code anyway, so let's
delete it.
[1] http://lkml.kernel.org/r/20150307031212.GA8434@fifo99.com
Cc: David Brown <davidb@codeaurora.org>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Diffstat (limited to 'arch/arm/mach-msm/irq-vic.c')
-rw-r--r-- | arch/arm/mach-msm/irq-vic.c | 363 |
1 files changed, 0 insertions, 363 deletions
diff --git a/arch/arm/mach-msm/irq-vic.c b/arch/arm/mach-msm/irq-vic.c deleted file mode 100644 index 1b54f80..0000000 --- a/arch/arm/mach-msm/irq-vic.c +++ /dev/null @@ -1,363 +0,0 @@ -/* - * Copyright (C) 2007 Google, Inc. - * Copyright (c) 2009, Code Aurora Forum. All rights reserved. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - * - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/ptrace.h> -#include <linux/timer.h> -#include <linux/irq.h> -#include <linux/io.h> - -#include <asm/cacheflush.h> - -#include <mach/hardware.h> - -#include <mach/msm_iomap.h> - -#include "smd_private.h" - -enum { - IRQ_DEBUG_SLEEP_INT_TRIGGER = 1U << 0, - IRQ_DEBUG_SLEEP_INT = 1U << 1, - IRQ_DEBUG_SLEEP_ABORT = 1U << 2, - IRQ_DEBUG_SLEEP = 1U << 3, - IRQ_DEBUG_SLEEP_REQUEST = 1U << 4, -}; -static int msm_irq_debug_mask; -module_param_named(debug_mask, msm_irq_debug_mask, int, - S_IRUGO | S_IWUSR | S_IWGRP); - -#define VIC_REG(off) (MSM_VIC_BASE + (off)) -#define VIC_INT_TO_REG_ADDR(base, irq) (base + (irq / 32) * 4) -#define VIC_INT_TO_REG_INDEX(irq) ((irq >> 5) & 3) - -#define VIC_INT_SELECT0 VIC_REG(0x0000) /* 1: FIQ, 0: IRQ */ -#define VIC_INT_SELECT1 VIC_REG(0x0004) /* 1: FIQ, 0: IRQ */ -#define VIC_INT_SELECT2 VIC_REG(0x0008) /* 1: FIQ, 0: IRQ */ -#define VIC_INT_SELECT3 VIC_REG(0x000C) /* 1: FIQ, 0: IRQ */ -#define VIC_INT_EN0 VIC_REG(0x0010) -#define VIC_INT_EN1 VIC_REG(0x0014) -#define VIC_INT_EN2 VIC_REG(0x0018) -#define VIC_INT_EN3 VIC_REG(0x001C) -#define VIC_INT_ENCLEAR0 VIC_REG(0x0020) -#define VIC_INT_ENCLEAR1 VIC_REG(0x0024) -#define VIC_INT_ENCLEAR2 VIC_REG(0x0028) -#define VIC_INT_ENCLEAR3 VIC_REG(0x002C) -#define VIC_INT_ENSET0 VIC_REG(0x0030) -#define VIC_INT_ENSET1 VIC_REG(0x0034) -#define VIC_INT_ENSET2 VIC_REG(0x0038) -#define VIC_INT_ENSET3 VIC_REG(0x003C) -#define VIC_INT_TYPE0 VIC_REG(0x0040) /* 1: EDGE, 0: LEVEL */ -#define VIC_INT_TYPE1 VIC_REG(0x0044) /* 1: EDGE, 0: LEVEL */ -#define VIC_INT_TYPE2 VIC_REG(0x0048) /* 1: EDGE, 0: LEVEL */ -#define VIC_INT_TYPE3 VIC_REG(0x004C) /* 1: EDGE, 0: LEVEL */ -#define VIC_INT_POLARITY0 VIC_REG(0x0050) /* 1: NEG, 0: POS */ -#define VIC_INT_POLARITY1 VIC_REG(0x0054) /* 1: NEG, 0: POS */ -#define VIC_INT_POLARITY2 VIC_REG(0x0058) /* 1: NEG, 0: POS */ -#define VIC_INT_POLARITY3 VIC_REG(0x005C) /* 1: NEG, 0: POS */ -#define VIC_NO_PEND_VAL VIC_REG(0x0060) - -#if defined(CONFIG_ARCH_MSM_SCORPION) -#define VIC_NO_PEND_VAL_FIQ VIC_REG(0x0064) -#define VIC_INT_MASTEREN VIC_REG(0x0068) /* 1: IRQ, 2: FIQ */ -#define VIC_CONFIG VIC_REG(0x006C) /* 1: USE SC VIC */ -#else -#define VIC_INT_MASTEREN VIC_REG(0x0064) /* 1: IRQ, 2: FIQ */ -#define VIC_PROTECTION VIC_REG(0x006C) /* 1: ENABLE */ -#define VIC_CONFIG VIC_REG(0x0068) /* 1: USE ARM1136 VIC */ -#endif - -#define VIC_IRQ_STATUS0 VIC_REG(0x0080) -#define VIC_IRQ_STATUS1 VIC_REG(0x0084) -#define VIC_IRQ_STATUS2 VIC_REG(0x0088) -#define VIC_IRQ_STATUS3 VIC_REG(0x008C) -#define VIC_FIQ_STATUS0 VIC_REG(0x0090) -#define VIC_FIQ_STATUS1 VIC_REG(0x0094) -#define VIC_FIQ_STATUS2 VIC_REG(0x0098) -#define VIC_FIQ_STATUS3 VIC_REG(0x009C) -#define VIC_RAW_STATUS0 VIC_REG(0x00A0) -#define VIC_RAW_STATUS1 VIC_REG(0x00A4) -#define VIC_RAW_STATUS2 VIC_REG(0x00A8) -#define VIC_RAW_STATUS3 VIC_REG(0x00AC) -#define VIC_INT_CLEAR0 VIC_REG(0x00B0) -#define VIC_INT_CLEAR1 VIC_REG(0x00B4) -#define VIC_INT_CLEAR2 VIC_REG(0x00B8) -#define VIC_INT_CLEAR3 VIC_REG(0x00BC) -#define VIC_SOFTINT0 VIC_REG(0x00C0) -#define VIC_SOFTINT1 VIC_REG(0x00C4) -#define VIC_SOFTINT2 VIC_REG(0x00C8) -#define VIC_SOFTINT3 VIC_REG(0x00CC) -#define VIC_IRQ_VEC_RD VIC_REG(0x00D0) /* pending int # */ -#define VIC_IRQ_VEC_PEND_RD VIC_REG(0x00D4) /* pending vector addr */ -#define VIC_IRQ_VEC_WR VIC_REG(0x00D8) - -#if defined(CONFIG_ARCH_MSM_SCORPION) -#define VIC_FIQ_VEC_RD VIC_REG(0x00DC) -#define VIC_FIQ_VEC_PEND_RD VIC_REG(0x00E0) -#define VIC_FIQ_VEC_WR VIC_REG(0x00E4) -#define VIC_IRQ_IN_SERVICE VIC_REG(0x00E8) -#define VIC_IRQ_IN_STACK VIC_REG(0x00EC) -#define VIC_FIQ_IN_SERVICE VIC_REG(0x00F0) -#define VIC_FIQ_IN_STACK VIC_REG(0x00F4) -#define VIC_TEST_BUS_SEL VIC_REG(0x00F8) -#define VIC_IRQ_CTRL_CONFIG VIC_REG(0x00FC) -#else -#define VIC_IRQ_IN_SERVICE VIC_REG(0x00E0) -#define VIC_IRQ_IN_STACK VIC_REG(0x00E4) -#define VIC_TEST_BUS_SEL VIC_REG(0x00E8) -#endif - -#define VIC_VECTPRIORITY(n) VIC_REG(0x0200+((n) * 4)) -#define VIC_VECTADDR(n) VIC_REG(0x0400+((n) * 4)) - -#if defined(CONFIG_ARCH_MSM7X30) -#define VIC_NUM_REGS 4 -#else -#define VIC_NUM_REGS 2 -#endif - -#if VIC_NUM_REGS == 2 -#define DPRINT_REGS(base_reg, format, ...) \ - printk(KERN_INFO format " %x %x\n", ##__VA_ARGS__, \ - readl(base_reg ## 0), readl(base_reg ## 1)) -#define DPRINT_ARRAY(array, format, ...) \ - printk(KERN_INFO format " %x %x\n", ##__VA_ARGS__, \ - array[0], array[1]) -#elif VIC_NUM_REGS == 4 -#define DPRINT_REGS(base_reg, format, ...) \ - printk(KERN_INFO format " %x %x %x %x\n", ##__VA_ARGS__, \ - readl(base_reg ## 0), readl(base_reg ## 1), \ - readl(base_reg ## 2), readl(base_reg ## 3)) -#define DPRINT_ARRAY(array, format, ...) \ - printk(KERN_INFO format " %x %x %x %x\n", ##__VA_ARGS__, \ - array[0], array[1], \ - array[2], array[3]) -#else -#error "VIC_NUM_REGS set to illegal value" -#endif - -static uint32_t msm_irq_smsm_wake_enable[2]; -static struct { - uint32_t int_en[2]; - uint32_t int_type; - uint32_t int_polarity; - uint32_t int_select; -} msm_irq_shadow_reg[VIC_NUM_REGS]; -static uint32_t msm_irq_idle_disable[VIC_NUM_REGS]; - -#define SMSM_FAKE_IRQ (0xff) -static uint8_t msm_irq_to_smsm[NR_IRQS] = { - [INT_MDDI_EXT] = 1, - [INT_MDDI_PRI] = 2, - [INT_MDDI_CLIENT] = 3, - [INT_USB_OTG] = 4, - - [INT_PWB_I2C] = 5, - [INT_SDC1_0] = 6, - [INT_SDC1_1] = 7, - [INT_SDC2_0] = 8, - - [INT_SDC2_1] = 9, - [INT_ADSP_A9_A11] = 10, - [INT_UART1] = 11, - [INT_UART2] = 12, - - [INT_UART3] = 13, - [INT_UART1_RX] = 14, - [INT_UART2_RX] = 15, - [INT_UART3_RX] = 16, - - [INT_UART1DM_IRQ] = 17, - [INT_UART1DM_RX] = 18, - [INT_KEYSENSE] = 19, -#if !defined(CONFIG_ARCH_MSM7X30) - [INT_AD_HSSD] = 20, -#endif - - [INT_NAND_WR_ER_DONE] = 21, - [INT_NAND_OP_DONE] = 22, - [INT_TCHSCRN1] = 23, - [INT_TCHSCRN2] = 24, - - [INT_TCHSCRN_SSBI] = 25, - [INT_USB_HS] = 26, - [INT_UART2DM_RX] = 27, - [INT_UART2DM_IRQ] = 28, - - [INT_SDC4_1] = 29, - [INT_SDC4_0] = 30, - [INT_SDC3_1] = 31, - [INT_SDC3_0] = 32, - - /* fake wakeup interrupts */ - [INT_GPIO_GROUP1] = SMSM_FAKE_IRQ, - [INT_GPIO_GROUP2] = SMSM_FAKE_IRQ, - [INT_A9_M2A_0] = SMSM_FAKE_IRQ, - [INT_A9_M2A_1] = SMSM_FAKE_IRQ, - [INT_A9_M2A_5] = SMSM_FAKE_IRQ, - [INT_GP_TIMER_EXP] = SMSM_FAKE_IRQ, - [INT_DEBUG_TIMER_EXP] = SMSM_FAKE_IRQ, - [INT_ADSP_A11] = SMSM_FAKE_IRQ, -#ifdef CONFIG_ARCH_QSD8X50 - [INT_SIRC_0] = SMSM_FAKE_IRQ, - [INT_SIRC_1] = SMSM_FAKE_IRQ, -#endif -}; - -static inline void msm_irq_write_all_regs(void __iomem *base, unsigned int val) -{ - int i; - - for (i = 0; i < VIC_NUM_REGS; i++) - writel(val, base + (i * 4)); -} - -static void msm_irq_ack(struct irq_data *d) -{ - void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_CLEAR0, d->irq); - writel(1 << (d->irq & 31), reg); -} - -static void msm_irq_mask(struct irq_data *d) -{ - void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_ENCLEAR0, d->irq); - unsigned index = VIC_INT_TO_REG_INDEX(d->irq); - uint32_t mask = 1UL << (d->irq & 31); - int smsm_irq = msm_irq_to_smsm[d->irq]; - - msm_irq_shadow_reg[index].int_en[0] &= ~mask; - writel(mask, reg); - if (smsm_irq == 0) - msm_irq_idle_disable[index] &= ~mask; - else { - mask = 1UL << (smsm_irq - 1); - msm_irq_smsm_wake_enable[0] &= ~mask; - } -} - -static void msm_irq_unmask(struct irq_data *d) -{ - void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_ENSET0, d->irq); - unsigned index = VIC_INT_TO_REG_INDEX(d->irq); - uint32_t mask = 1UL << (d->irq & 31); - int smsm_irq = msm_irq_to_smsm[d->irq]; - - msm_irq_shadow_reg[index].int_en[0] |= mask; - writel(mask, reg); - - if (smsm_irq == 0) - msm_irq_idle_disable[index] |= mask; - else { - mask = 1UL << (smsm_irq - 1); - msm_irq_smsm_wake_enable[0] |= mask; - } -} - -static int msm_irq_set_wake(struct irq_data *d, unsigned int on) -{ - unsigned index = VIC_INT_TO_REG_INDEX(d->irq); - uint32_t mask = 1UL << (d->irq & 31); - int smsm_irq = msm_irq_to_smsm[d->irq]; - - if (smsm_irq == 0) { - printk(KERN_ERR "msm_irq_set_wake: bad wakeup irq %d\n", d->irq); - return -EINVAL; - } - if (on) - msm_irq_shadow_reg[index].int_en[1] |= mask; - else - msm_irq_shadow_reg[index].int_en[1] &= ~mask; - - if (smsm_irq == SMSM_FAKE_IRQ) - return 0; - - mask = 1UL << (smsm_irq - 1); - if (on) - msm_irq_smsm_wake_enable[1] |= mask; - else - msm_irq_smsm_wake_enable[1] &= ~mask; - return 0; -} - -static int msm_irq_set_type(struct irq_data *d, unsigned int flow_type) -{ - void __iomem *treg = VIC_INT_TO_REG_ADDR(VIC_INT_TYPE0, d->irq); - void __iomem *preg = VIC_INT_TO_REG_ADDR(VIC_INT_POLARITY0, d->irq); - unsigned index = VIC_INT_TO_REG_INDEX(d->irq); - int b = 1 << (d->irq & 31); - uint32_t polarity; - uint32_t type; - - polarity = msm_irq_shadow_reg[index].int_polarity; - if (flow_type & (IRQF_TRIGGER_FALLING | IRQF_TRIGGER_LOW)) - polarity |= b; - if (flow_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_HIGH)) - polarity &= ~b; - writel(polarity, preg); - msm_irq_shadow_reg[index].int_polarity = polarity; - - type = msm_irq_shadow_reg[index].int_type; - if (flow_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) { - type |= b; - __irq_set_handler_locked(d->irq, handle_edge_irq); - } - if (flow_type & (IRQF_TRIGGER_HIGH | IRQF_TRIGGER_LOW)) { - type &= ~b; - __irq_set_handler_locked(d->irq, handle_level_irq); - } - writel(type, treg); - msm_irq_shadow_reg[index].int_type = type; - return 0; -} - -static struct irq_chip msm_irq_chip = { - .name = "msm", - .irq_disable = msm_irq_mask, - .irq_ack = msm_irq_ack, - .irq_mask = msm_irq_mask, - .irq_unmask = msm_irq_unmask, - .irq_set_wake = msm_irq_set_wake, - .irq_set_type = msm_irq_set_type, -}; - -void __init msm_init_irq(void) -{ - unsigned n; - - /* select level interrupts */ - msm_irq_write_all_regs(VIC_INT_TYPE0, 0); - - /* select highlevel interrupts */ - msm_irq_write_all_regs(VIC_INT_POLARITY0, 0); - - /* select IRQ for all INTs */ - msm_irq_write_all_regs(VIC_INT_SELECT0, 0); - - /* disable all INTs */ - msm_irq_write_all_regs(VIC_INT_EN0, 0); - - /* don't use vic */ - writel(0, VIC_CONFIG); - - /* enable interrupt controller */ - writel(3, VIC_INT_MASTEREN); - - for (n = 0; n < NR_MSM_IRQS; n++) { - irq_set_chip_and_handler(n, &msm_irq_chip, handle_level_irq); - set_irq_flags(n, IRQF_VALID); - } -} |