diff options
Diffstat (limited to 'arch/arm/mach-msm')
-rw-r--r-- | arch/arm/mach-msm/board-halibut.c | 6 | ||||
-rw-r--r-- | arch/arm/mach-msm/board-msm8x60.c | 8 | ||||
-rw-r--r-- | arch/arm/mach-msm/board-sapphire.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-msm/board-trout.c | 6 | ||||
-rw-r--r-- | arch/arm/mach-msm/idle.S | 36 | ||||
-rw-r--r-- | arch/arm/mach-msm/idle.c | 49 | ||||
-rw-r--r-- | arch/arm/mach-msm/include/mach/entry-macro.S | 6 | ||||
-rw-r--r-- | arch/arm/mach-msm/include/mach/io.h | 36 | ||||
-rw-r--r-- | arch/arm/mach-msm/include/mach/msm_iomap-7x00.h | 12 | ||||
-rw-r--r-- | arch/arm/mach-msm/include/mach/msm_iomap-7x30.h | 4 | ||||
-rw-r--r-- | arch/arm/mach-msm/include/mach/msm_iomap-8960.h | 4 | ||||
-rw-r--r-- | arch/arm/mach-msm/include/mach/msm_iomap-8x50.h | 4 | ||||
-rw-r--r-- | arch/arm/mach-msm/include/mach/msm_iomap-8x60.h | 4 | ||||
-rw-r--r-- | arch/arm/mach-msm/include/mach/msm_iomap.h | 6 | ||||
-rw-r--r-- | arch/arm/mach-msm/include/mach/system.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-msm/io.c | 8 | ||||
-rw-r--r-- | arch/arm/mach-msm/timer.c | 91 |
17 files changed, 142 insertions, 140 deletions
diff --git a/arch/arm/mach-msm/board-halibut.c b/arch/arm/mach-msm/board-halibut.c index a60ab6d04ec..3698a370d63 100644 --- a/arch/arm/mach-msm/board-halibut.c +++ b/arch/arm/mach-msm/board-halibut.c @@ -68,6 +68,11 @@ static struct platform_device *devices[] __initdata = { extern struct sys_timer msm_timer; +static void __init halibut_init_early(void) +{ + arch_ioremap_caller = __msm_ioremap_caller; +} + static void __init halibut_init_irq(void) { msm_init_irq(); @@ -96,6 +101,7 @@ MACHINE_START(HALIBUT, "Halibut Board (QCT SURF7200A)") .atag_offset = 0x100, .fixup = halibut_fixup, .map_io = halibut_map_io, + .init_early = halibut_init_early, .init_irq = halibut_init_irq, .init_machine = halibut_init, .timer = &msm_timer, diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c index 0a113424632..962e7116975 100644 --- a/arch/arm/mach-msm/board-msm8x60.c +++ b/arch/arm/mach-msm/board-msm8x60.c @@ -80,12 +80,8 @@ static struct of_device_id msm_dt_gic_match[] __initdata = { static void __init msm8x60_dt_init(void) { - struct device_node *node; - - node = of_find_matching_node_by_address(NULL, msm_dt_gic_match, - MSM8X60_QGIC_DIST_PHYS); - if (node) - irq_domain_add_simple(node, GIC_SPI_START); + irq_domain_generate_simple(msm_dt_gic_match, MSM8X60_QGIC_DIST_PHYS, + GIC_SPI_START); if (of_machine_is_compatible("qcom,msm8660-surf")) { printk(KERN_INFO "Init surf UART registers\n"); diff --git a/arch/arm/mach-msm/board-sapphire.c b/arch/arm/mach-msm/board-sapphire.c index 97b8191d9d3..4a8ea0d40b6 100644 --- a/arch/arm/mach-msm/board-sapphire.c +++ b/arch/arm/mach-msm/board-sapphire.c @@ -27,7 +27,6 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/flash.h> -#include <asm/system.h> #include <mach/system.h> #include <mach/vreg.h> #include <mach/board.h> diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c index 6b9b227c87c..5414f76ec0a 100644 --- a/arch/arm/mach-msm/board-trout.c +++ b/arch/arm/mach-msm/board-trout.c @@ -43,6 +43,11 @@ static struct platform_device *devices[] __initdata = { extern struct sys_timer msm_timer; +static void __init trout_init_early(void) +{ + arch_ioremap_caller = __msm_ioremap_caller; +} + static void __init trout_init_irq(void) { msm_init_irq(); @@ -96,6 +101,7 @@ MACHINE_START(TROUT, "HTC Dream") .atag_offset = 0x100, .fixup = trout_fixup, .map_io = trout_map_io, + .init_early = trout_init_early, .init_irq = trout_init_irq, .init_machine = trout_init, .timer = &msm_timer, diff --git a/arch/arm/mach-msm/idle.S b/arch/arm/mach-msm/idle.S deleted file mode 100644 index 6a94f052713..00000000000 --- a/arch/arm/mach-msm/idle.S +++ /dev/null @@ -1,36 +0,0 @@ -/* arch/arm/mach-msm/include/mach/idle.S - * - * Idle processing for MSM7K - work around bugs with SWFI. - * - * Copyright (c) 2007 QUALCOMM Incorporated. - * Copyright (C) 2007 Google, Inc. - * - * 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/linkage.h> -#include <asm/assembler.h> - -ENTRY(arch_idle) -#ifdef CONFIG_MSM7X00A_IDLE - mrc p15, 0, r1, c1, c0, 0 /* read current CR */ - bic r0, r1, #(1 << 2) /* clear dcache bit */ - bic r0, r0, #(1 << 12) /* clear icache bit */ - mcr p15, 0, r0, c1, c0, 0 /* disable d/i cache */ - - mov r0, #0 /* prepare wfi value */ - mcr p15, 0, r0, c7, c10, 0 /* flush the cache */ - mcr p15, 0, r0, c7, c10, 4 /* memory barrier */ - mcr p15, 0, r0, c7, c0, 4 /* wait for interrupt */ - - mcr p15, 0, r1, c1, c0, 0 /* restore d/i cache */ -#endif - mov pc, lr diff --git a/arch/arm/mach-msm/idle.c b/arch/arm/mach-msm/idle.c new file mode 100644 index 00000000000..0c9e13c6574 --- /dev/null +++ b/arch/arm/mach-msm/idle.c @@ -0,0 +1,49 @@ +/* arch/arm/mach-msm/idle.c + * + * Idle processing for MSM7K - work around bugs with SWFI. + * + * Copyright (c) 2007 QUALCOMM Incorporated. + * Copyright (C) 2007 Google, Inc. + * + * 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 <asm/system.h> + +static void msm_idle(void) +{ +#ifdef CONFIG_MSM7X00A_IDLE + asm volatile ( + + "mrc p15, 0, r1, c1, c0, 0 /* read current CR */ \n\t" + "bic r0, r1, #(1 << 2) /* clear dcache bit */ \n\t" + "bic r0, r0, #(1 << 12) /* clear icache bit */ \n\t" + "mcr p15, 0, r0, c1, c0, 0 /* disable d/i cache */ \n\t" + + "mov r0, #0 /* prepare wfi value */ \n\t" + "mcr p15, 0, r0, c7, c10, 0 /* flush the cache */ \n\t" + "mcr p15, 0, r0, c7, c10, 4 /* memory barrier */ \n\t" + "mcr p15, 0, r0, c7, c0, 4 /* wait for interrupt */ \n\t" + + "mcr p15, 0, r1, c1, c0, 0 /* restore d/i cache */ \n\t" + + : : : "r0","r1" ); +#endif +} + +static int __init msm_idle_init(void) +{ + arm_pm_idle = msm_idle; + return 0; +} + +arch_initcall(msm_idle_init); diff --git a/arch/arm/mach-msm/include/mach/entry-macro.S b/arch/arm/mach-msm/include/mach/entry-macro.S index 41f7003ef34..f2ae9087f65 100644 --- a/arch/arm/mach-msm/include/mach/entry-macro.S +++ b/arch/arm/mach-msm/include/mach/entry-macro.S @@ -16,12 +16,6 @@ * */ - .macro disable_fiq - .endm - - .macro arch_ret_to_user, tmp1, tmp2 - .endm - #if !defined(CONFIG_ARM_GIC) #include <mach/msm_iomap.h> diff --git a/arch/arm/mach-msm/include/mach/io.h b/arch/arm/mach-msm/include/mach/io.h deleted file mode 100644 index dc1b928745e..00000000000 --- a/arch/arm/mach-msm/include/mach/io.h +++ /dev/null @@ -1,36 +0,0 @@ -/* arch/arm/mach-msm/include/mach/io.h - * - * Copyright (C) 2007 Google, Inc. - * - * 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. - * - */ - -#ifndef __ASM_ARM_ARCH_IO_H -#define __ASM_ARM_ARCH_IO_H - -#define IO_SPACE_LIMIT 0xffffffff - -#define __arch_ioremap __msm_ioremap -#define __arch_iounmap __iounmap - -void __iomem *__msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype); - -#define __io(a) __typesafe_io(a) -#define __mem_pci(a) (a) - -void msm_map_qsd8x50_io(void); -void msm_map_msm7x30_io(void); -void msm_map_msm8x60_io(void); -void msm_map_msm8960_io(void); - -extern unsigned int msm_shared_ram_phys; - -#endif diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-7x00.h b/arch/arm/mach-msm/include/mach/msm_iomap-7x00.h index 8af46123dab..6c4046c2129 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap-7x00.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap-7x00.h @@ -38,12 +38,6 @@ * */ -#ifdef __ASSEMBLY__ -#define IOMEM(x) x -#else -#define IOMEM(x) ((void __force __iomem *)(x)) -#endif - #define MSM_VIC_BASE IOMEM(0xE0000000) #define MSM_VIC_PHYS 0xC0000000 #define MSM_VIC_SIZE SZ_4K @@ -111,5 +105,11 @@ #define MSM_AD5_PHYS 0xAC000000 #define MSM_AD5_SIZE (SZ_1M*13) +#ifndef __ASSEMBLY__ + +extern void __iomem *__msm_ioremap_caller(unsigned long phys_addr, size_t size, + unsigned int mtype, void *caller); + +#endif #endif diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-7x30.h b/arch/arm/mach-msm/include/mach/msm_iomap-7x30.h index 198202c267c..f944fe65a65 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap-7x30.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap-7x30.h @@ -100,4 +100,8 @@ #define MSM_HSUSB_PHYS 0xA3600000 #define MSM_HSUSB_SIZE SZ_1K +#ifndef __ASSEMBLY__ +extern void msm_map_msm7x30_io(void); +#endif + #endif diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8960.h b/arch/arm/mach-msm/include/mach/msm_iomap-8960.h index 800b55767e6..a1752c0284f 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap-8960.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap-8960.h @@ -50,4 +50,8 @@ #define MSM_DEBUG_UART_PHYS 0x16440000 #endif +#ifndef __ASSEMBLY__ +extern void msm_map_msm8960_io(void); +#endif + #endif diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8x50.h b/arch/arm/mach-msm/include/mach/msm_iomap-8x50.h index 0faa894729b..da77cc1d545 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap-8x50.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap-8x50.h @@ -122,4 +122,8 @@ #define MSM_SDC4_PHYS 0xA0600000 #define MSM_SDC4_SIZE SZ_4K +#ifndef __ASSEMBLY__ +extern void msm_map_qsd8x50_io(void); +#endif + #endif diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h index 54e12caa8d8..5aed57dc808 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h @@ -67,4 +67,8 @@ #define MSM_DEBUG_UART_PHYS 0x19C40000 #endif +#ifndef __ASSEMBLY__ +extern void msm_map_msm8x60_io(void); +#endif + #endif diff --git a/arch/arm/mach-msm/include/mach/msm_iomap.h b/arch/arm/mach-msm/include/mach/msm_iomap.h index 90682f4599d..00afdfb8c38 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap.h @@ -37,12 +37,6 @@ * */ -#ifdef __ASSEMBLY__ -#define IOMEM(x) x -#else -#define IOMEM(x) ((void __force __iomem *)(x)) -#endif - #if defined(CONFIG_ARCH_MSM7X30) #include "msm_iomap-7x30.h" #elif defined(CONFIG_ARCH_QSD8X50) diff --git a/arch/arm/mach-msm/include/mach/system.h b/arch/arm/mach-msm/include/mach/system.h index 311db2b35da..f5fb2ec87ff 100644 --- a/arch/arm/mach-msm/include/mach/system.h +++ b/arch/arm/mach-msm/include/mach/system.h @@ -12,7 +12,6 @@ * GNU General Public License for more details. * */ -void arch_idle(void); /* low level hardware reset hook -- for example, hitting the * PSHOLD line on the PMIC to hard reset the system diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c index 578b04e42de..a1e7b116885 100644 --- a/arch/arm/mach-msm/io.c +++ b/arch/arm/mach-msm/io.c @@ -172,8 +172,8 @@ void __init msm_map_msm7x30_io(void) } #endif /* CONFIG_ARCH_MSM7X30 */ -void __iomem * -__msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) +void __iomem *__msm_ioremap_caller(unsigned long phys_addr, size_t size, + unsigned int mtype, void *caller) { if (mtype == MT_DEVICE) { /* The peripherals in the 88000000 - D0000000 range @@ -184,7 +184,5 @@ __msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) mtype = MT_DEVICE_NONSHARED; } - return __arm_ioremap_caller(phys_addr, size, mtype, - __builtin_return_address(0)); + return __arm_ioremap_caller(phys_addr, size, mtype, caller); } -EXPORT_SYMBOL(__msm_ioremap); diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c index 11d0d8f2656..81280825493 100644 --- a/arch/arm/mach-msm/timer.c +++ b/arch/arm/mach-msm/timer.c @@ -24,6 +24,7 @@ #include <asm/mach/time.h> #include <asm/hardware/gic.h> #include <asm/localtimer.h> +#include <asm/sched_clock.h> #include <mach/msm_iomap.h> #include <mach/cpu.h> @@ -105,12 +106,12 @@ static union { static void __iomem *source_base; -static cycle_t msm_read_timer_count(struct clocksource *cs) +static notrace cycle_t msm_read_timer_count(struct clocksource *cs) { return readl_relaxed(source_base + TIMER_COUNT_VAL); } -static cycle_t msm_read_timer_count_shift(struct clocksource *cs) +static notrace cycle_t msm_read_timer_count_shift(struct clocksource *cs) { /* * Shift timer count down by a constant due to unreliable lower bits @@ -127,6 +128,50 @@ static struct clocksource msm_clocksource = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; +#ifdef CONFIG_LOCAL_TIMERS +static int __cpuinit msm_local_timer_setup(struct clock_event_device *evt) +{ + /* Use existing clock_event for cpu 0 */ + if (!smp_processor_id()) + return 0; + + writel_relaxed(0, event_base + TIMER_ENABLE); + writel_relaxed(0, event_base + TIMER_CLEAR); + writel_relaxed(~0, event_base + TIMER_MATCH_VAL); + evt->irq = msm_clockevent.irq; + evt->name = "local_timer"; + evt->features = msm_clockevent.features; + evt->rating = msm_clockevent.rating; + evt->set_mode = msm_timer_set_mode; + evt->set_next_event = msm_timer_set_next_event; + evt->shift = msm_clockevent.shift; + evt->mult = div_sc(GPT_HZ, NSEC_PER_SEC, evt->shift); + evt->max_delta_ns = clockevent_delta2ns(0xf0000000, evt); + evt->min_delta_ns = clockevent_delta2ns(4, evt); + + *__this_cpu_ptr(msm_evt.percpu_evt) = evt; + clockevents_register_device(evt); + enable_percpu_irq(evt->irq, 0); + return 0; +} + +static void msm_local_timer_stop(struct clock_event_device *evt) +{ + evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt); + disable_percpu_irq(evt->irq); +} + +static struct local_timer_ops msm_local_timer_ops __cpuinitdata = { + .setup = msm_local_timer_setup, + .stop = msm_local_timer_stop, +}; +#endif /* CONFIG_LOCAL_TIMERS */ + +static notrace u32 msm_sched_clock_read(void) +{ + return msm_clocksource.read(&msm_clocksource); +} + static void __init msm_timer_init(void) { struct clock_event_device *ce = &msm_clockevent; @@ -173,8 +218,12 @@ static void __init msm_timer_init(void) *__this_cpu_ptr(msm_evt.percpu_evt) = ce; res = request_percpu_irq(ce->irq, msm_timer_interrupt, ce->name, msm_evt.percpu_evt); - if (!res) + if (!res) { enable_percpu_irq(ce->irq, 0); +#ifdef CONFIG_LOCAL_TIMERS + local_timer_register(&msm_local_timer_ops); +#endif + } } else { msm_evt.evt = ce; res = request_irq(ce->irq, msm_timer_interrupt, @@ -189,42 +238,10 @@ err: res = clocksource_register_hz(cs, dgt_hz); if (res) pr_err("clocksource_register failed\n"); + setup_sched_clock(msm_sched_clock_read, + cpu_is_msm7x01() ? 32 - MSM_DGT_SHIFT : 32, dgt_hz); } -#ifdef CONFIG_LOCAL_TIMERS -int __cpuinit local_timer_setup(struct clock_event_device *evt) -{ - /* Use existing clock_event for cpu 0 */ - if (!smp_processor_id()) - return 0; - - writel_relaxed(0, event_base + TIMER_ENABLE); - writel_relaxed(0, event_base + TIMER_CLEAR); - writel_relaxed(~0, event_base + TIMER_MATCH_VAL); - evt->irq = msm_clockevent.irq; - evt->name = "local_timer"; - evt->features = msm_clockevent.features; - evt->rating = msm_clockevent.rating; - evt->set_mode = msm_timer_set_mode; - evt->set_next_event = msm_timer_set_next_event; - evt->shift = msm_clockevent.shift; - evt->mult = div_sc(GPT_HZ, NSEC_PER_SEC, evt->shift); - evt->max_delta_ns = clockevent_delta2ns(0xf0000000, evt); - evt->min_delta_ns = clockevent_delta2ns(4, evt); - - *__this_cpu_ptr(msm_evt.percpu_evt) = evt; - clockevents_register_device(evt); - enable_percpu_irq(evt->irq, 0); - return 0; -} - -void local_timer_stop(struct clock_event_device *evt) -{ - evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt); - disable_percpu_irq(evt->irq); -} -#endif /* CONFIG_LOCAL_TIMERS */ - struct sys_timer msm_timer = { .init = msm_timer_init }; |