diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-msm/board-halibut.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-msm/board-msm7x30.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-msm/board-msm8960.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-msm/board-msm8x60.c | 11 | ||||
| -rw-r--r-- | arch/arm/mach-msm/board-qsd8x50.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-msm/board-trout.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-msm/common.h | 21 | ||||
| -rw-r--r-- | arch/arm/mach-msm/include/mach/board.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-msm/timer.c | 120 |
9 files changed, 125 insertions, 60 deletions
diff --git a/arch/arm/mach-msm/board-halibut.c b/arch/arm/mach-msm/board-halibut.c index 4fa3e99d9a62..6ce542e2e21c 100644 --- a/arch/arm/mach-msm/board-halibut.c +++ b/arch/arm/mach-msm/board-halibut.c @@ -36,6 +36,7 @@ #include <linux/mtd/partitions.h> #include "devices.h" +#include "common.h" static struct resource smc91x_resources[] = { [0] = { @@ -66,8 +67,6 @@ static struct platform_device *devices[] __initdata = { &smc91x_device, }; -extern struct sys_timer msm_timer; - static void __init halibut_init_early(void) { arch_ioremap_caller = __msm_ioremap_caller; @@ -107,5 +106,5 @@ MACHINE_START(HALIBUT, "Halibut Board (QCT SURF7200A)") .init_irq = halibut_init_irq, .init_machine = halibut_init, .init_late = halibut_init_late, - .timer = &msm_timer, + .timer = &msm7x01_timer, MACHINE_END diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c index a5001378135d..effa6f4336c7 100644 --- a/arch/arm/mach-msm/board-msm7x30.c +++ b/arch/arm/mach-msm/board-msm7x30.c @@ -38,8 +38,7 @@ #include "devices.h" #include "gpiomux.h" #include "proc_comm.h" - -extern struct sys_timer msm_timer; +#include "common.h" static void __init msm7x30_fixup(struct tag *tag, char **cmdline, struct meminfo *mi) @@ -132,7 +131,7 @@ MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF") .init_irq = msm7x30_init_irq, .init_machine = msm7x30_init, .init_late = msm7x30_init_late, - .timer = &msm_timer, + .timer = &msm7x30_timer, MACHINE_END MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA") @@ -143,7 +142,7 @@ MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA") .init_irq = msm7x30_init_irq, .init_machine = msm7x30_init, .init_late = msm7x30_init_late, - .timer = &msm_timer, + .timer = &msm7x30_timer, MACHINE_END MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID") @@ -154,5 +153,5 @@ MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID") .init_irq = msm7x30_init_irq, .init_machine = msm7x30_init, .init_late = msm7x30_init_late, - .timer = &msm_timer, + .timer = &msm7x30_timer, MACHINE_END diff --git a/arch/arm/mach-msm/board-msm8960.c b/arch/arm/mach-msm/board-msm8960.c index bdafe791fd0b..fafead236311 100644 --- a/arch/arm/mach-msm/board-msm8960.c +++ b/arch/arm/mach-msm/board-msm8960.c @@ -31,6 +31,7 @@ #include <mach/msm_iomap.h> #include "devices.h" +#include "common.h" static void __init msm8960_fixup(struct tag *tag, char **cmdline, struct meminfo *mi) @@ -90,7 +91,7 @@ MACHINE_START(MSM8960_SIM, "QCT MSM8960 SIMULATOR") .reserve = msm8960_reserve, .map_io = msm8960_map_io, .init_irq = msm8960_init_irq, - .timer = &msm_timer, + .timer = &msm8960_timer, .handle_irq = gic_handle_irq, .init_machine = msm8960_sim_init, .init_late = msm8960_init_late, @@ -101,7 +102,7 @@ MACHINE_START(MSM8960_RUMI3, "QCT MSM8960 RUMI3") .reserve = msm8960_reserve, .map_io = msm8960_map_io, .init_irq = msm8960_init_irq, - .timer = &msm_timer, + .timer = &msm8960_timer, .handle_irq = gic_handle_irq, .init_machine = msm8960_rumi3_init, .init_late = msm8960_init_late, diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c index 9df5c8357495..93f90410d0dd 100644 --- a/arch/arm/mach-msm/board-msm8x60.c +++ b/arch/arm/mach-msm/board-msm8x60.c @@ -28,6 +28,7 @@ #include <mach/board.h> #include <mach/msm_iomap.h> +#include "common.h" static void __init msm8x60_fixup(struct tag *tag, char **cmdline, struct meminfo *mi) @@ -114,7 +115,7 @@ MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3") .handle_irq = gic_handle_irq, .init_machine = msm8x60_init, .init_late = msm8x60_init_late, - .timer = &msm_timer, + .timer = &msm8x60_timer, MACHINE_END MACHINE_START(MSM8X60_SURF, "QCT MSM8X60 SURF") @@ -125,7 +126,7 @@ MACHINE_START(MSM8X60_SURF, "QCT MSM8X60 SURF") .handle_irq = gic_handle_irq, .init_machine = msm8x60_init, .init_late = msm8x60_init_late, - .timer = &msm_timer, + .timer = &msm8x60_timer, MACHINE_END MACHINE_START(MSM8X60_SIM, "QCT MSM8X60 SIMULATOR") @@ -136,7 +137,7 @@ MACHINE_START(MSM8X60_SIM, "QCT MSM8X60 SIMULATOR") .handle_irq = gic_handle_irq, .init_machine = msm8x60_init, .init_late = msm8x60_init_late, - .timer = &msm_timer, + .timer = &msm8x60_timer, MACHINE_END MACHINE_START(MSM8X60_FFA, "QCT MSM8X60 FFA") @@ -147,7 +148,7 @@ MACHINE_START(MSM8X60_FFA, "QCT MSM8X60 FFA") .handle_irq = gic_handle_irq, .init_machine = msm8x60_init, .init_late = msm8x60_init_late, - .timer = &msm_timer, + .timer = &msm8x60_timer, MACHINE_END #ifdef CONFIG_OF @@ -158,7 +159,7 @@ DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)") .handle_irq = gic_handle_irq, .init_machine = msm8x60_dt_init, .init_late = msm8x60_init_late, - .timer = &msm_timer, + .timer = &msm8x60_timer, .dt_compat = msm8x60_fluid_match, MACHINE_END #endif /* CONFIG_OF */ diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c index c8fe0edb9761..b16b71abf5f6 100644 --- a/arch/arm/mach-msm/board-qsd8x50.c +++ b/arch/arm/mach-msm/board-qsd8x50.c @@ -35,8 +35,7 @@ #include <mach/mmc.h> #include "devices.h" - -extern struct sys_timer msm_timer; +#include "common.h" static const resource_size_t qsd8x50_surf_smc91x_base __initdata = 0x70000300; static const unsigned qsd8x50_surf_smc91x_gpio __initdata = 156; @@ -201,7 +200,7 @@ MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF") .init_irq = qsd8x50_init_irq, .init_machine = qsd8x50_init, .init_late = qsd8x50_init_late, - .timer = &msm_timer, + .timer = &qsd8x50_timer, MACHINE_END MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5") @@ -210,5 +209,5 @@ MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5") .init_irq = qsd8x50_init_irq, .init_machine = qsd8x50_init, .init_late = qsd8x50_init_late, - .timer = &msm_timer, + .timer = &qsd8x50_timer, MACHINE_END diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c index bbe13f12fa01..4ba0800e243e 100644 --- a/arch/arm/mach-msm/board-trout.c +++ b/arch/arm/mach-msm/board-trout.c @@ -31,6 +31,7 @@ #include "devices.h" #include "board-trout.h" +#include "common.h" extern int trout_init_mmc(unsigned int); @@ -42,8 +43,6 @@ static struct platform_device *devices[] __initdata = { &msm_device_i2c, }; -extern struct sys_timer msm_timer; - static void __init trout_init_early(void) { arch_ioremap_caller = __msm_ioremap_caller; @@ -111,5 +110,5 @@ MACHINE_START(TROUT, "HTC Dream") .init_irq = trout_init_irq, .init_machine = trout_init, .init_late = trout_init_late, - .timer = &msm_timer, + .timer = &msm7x01_timer, MACHINE_END diff --git a/arch/arm/mach-msm/common.h b/arch/arm/mach-msm/common.h new file mode 100644 index 000000000000..4c2dd16e659b --- /dev/null +++ b/arch/arm/mach-msm/common.h @@ -0,0 +1,21 @@ +/* Copyright (c) 2012, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * 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 __MACH_COMMON_H +#define __MACH_COMMON_H + +extern struct sys_timer msm7x01_timer; +extern struct sys_timer msm7x30_timer; +extern struct sys_timer msm8x60_timer; +extern struct sys_timer msm8960_timer; +extern struct sys_timer qsd8x50_timer; + +#endif diff --git a/arch/arm/mach-msm/include/mach/board.h b/arch/arm/mach-msm/include/mach/board.h index 435f8edfafd1..fc40bbc18e41 100644 --- a/arch/arm/mach-msm/include/mach/board.h +++ b/arch/arm/mach-msm/include/mach/board.h @@ -33,8 +33,6 @@ struct msm_acpu_clock_platform_data struct clk_lookup; -extern struct sys_timer msm_timer; - /* common init routines for use by arch/arm/mach-msm/board-*.c */ void __init msm_add_devices(void); diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c index 36bbc60b699f..ddb870117659 100644 --- a/arch/arm/mach-msm/timer.c +++ b/arch/arm/mach-msm/timer.c @@ -1,7 +1,7 @@ /* * * Copyright (C) 2007 Google, Inc. - * Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved. + * Copyright (c) 2009-2012, The Linux Foundation. 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 @@ -26,9 +26,7 @@ #include <asm/localtimer.h> #include <asm/sched_clock.h> -#include <mach/msm_iomap.h> -#include <mach/cpu.h> -#include <mach/board.h> +#include "common.h" #define TIMER_MATCH_VAL 0x0000 #define TIMER_COUNT_VAL 0x0004 @@ -36,7 +34,7 @@ #define TIMER_ENABLE_CLR_ON_MATCH_EN BIT(1) #define TIMER_ENABLE_EN BIT(0) #define TIMER_CLEAR 0x000C -#define DGT_CLK_CTL 0x0034 +#define DGT_CLK_CTL 0x0030 #define DGT_CLK_CTL_DIV_4 0x3 #define GPT_HZ 32768 @@ -172,44 +170,21 @@ static notrace u32 msm_sched_clock_read(void) return msm_clocksource.read(&msm_clocksource); } -static void __init msm_timer_init(void) +static void __init msm_timer_init(u32 dgt_hz, int sched_bits, int irq, + bool percpu) { struct clock_event_device *ce = &msm_clockevent; struct clocksource *cs = &msm_clocksource; int res; - u32 dgt_hz; - - if (cpu_is_msm7x01()) { - event_base = MSM_CSR_BASE; - source_base = MSM_CSR_BASE + 0x10; - dgt_hz = 19200000 >> MSM_DGT_SHIFT; /* 600 KHz */ - cs->read = msm_read_timer_count_shift; - cs->mask = CLOCKSOURCE_MASK((32 - MSM_DGT_SHIFT)); - } else if (cpu_is_msm7x30()) { - event_base = MSM_CSR_BASE + 0x04; - source_base = MSM_CSR_BASE + 0x24; - dgt_hz = 24576000 / 4; - } else if (cpu_is_qsd8x50()) { - event_base = MSM_CSR_BASE; - source_base = MSM_CSR_BASE + 0x10; - dgt_hz = 19200000 / 4; - } else if (cpu_is_msm8x60() || cpu_is_msm8960()) { - event_base = MSM_TMR_BASE + 0x04; - /* Use CPU0's timer as the global clock source. */ - source_base = MSM_TMR0_BASE + 0x24; - dgt_hz = 27000000 / 4; - writel_relaxed(DGT_CLK_CTL_DIV_4, MSM_TMR_BASE + DGT_CLK_CTL); - } else - BUG(); writel_relaxed(0, event_base + TIMER_ENABLE); writel_relaxed(0, event_base + TIMER_CLEAR); writel_relaxed(~0, event_base + TIMER_MATCH_VAL); ce->cpumask = cpumask_of(0); + ce->irq = irq; - ce->irq = INT_GP_TIMER_EXP; clockevents_config_and_register(ce, GPT_HZ, 4, 0xffffffff); - if (cpu_is_msm8x60() || cpu_is_msm8960()) { + if (percpu) { msm_evt.percpu_evt = alloc_percpu(struct clock_event_device *); if (!msm_evt.percpu_evt) { pr_err("memory allocation failed for %s\n", ce->name); @@ -238,10 +213,83 @@ 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); + setup_sched_clock(msm_sched_clock_read, sched_bits, dgt_hz); } -struct sys_timer msm_timer = { - .init = msm_timer_init +static int __init msm_timer_map(phys_addr_t event, phys_addr_t source) +{ + event_base = ioremap(event, SZ_64); + if (!event_base) { + pr_err("Failed to map event base\n"); + return 1; + } + source_base = ioremap(source, SZ_64); + if (!source_base) { + pr_err("Failed to map source base\n"); + return 1; + } + return 0; +} + +static void __init msm7x01_timer_init(void) +{ + struct clocksource *cs = &msm_clocksource; + + if (msm_timer_map(0xc0100000, 0xc0100010)) + return; + cs->read = msm_read_timer_count_shift; + cs->mask = CLOCKSOURCE_MASK((32 - MSM_DGT_SHIFT)); + /* 600 KHz */ + msm_timer_init(19200000 >> MSM_DGT_SHIFT, 32 - MSM_DGT_SHIFT, 7, + false); +} + +struct sys_timer msm7x01_timer = { + .init = msm7x01_timer_init +}; + +static void __init msm7x30_timer_init(void) +{ + if (msm_timer_map(0xc0100004, 0xc0100024)) + return; + msm_timer_init(24576000 / 4, 32, 1, false); +} + +struct sys_timer msm7x30_timer = { + .init = msm7x30_timer_init +}; + +static void __init msm8x60_timer_init(void) +{ + if (msm_timer_map(0x02000004, 0x02040024)) + return; + writel_relaxed(DGT_CLK_CTL_DIV_4, event_base + DGT_CLK_CTL); + msm_timer_init(27000000 / 4, 32, 17, true); +} + +struct sys_timer msm8x60_timer = { + .init = msm8x60_timer_init +}; + +static void __init msm8960_timer_init(void) +{ + if (msm_timer_map(0x0200A004, 0x0208A024)) + return; + writel_relaxed(DGT_CLK_CTL_DIV_4, event_base + DGT_CLK_CTL); + msm_timer_init(27000000 / 4, 32, 17, true); +} + +struct sys_timer msm8960_timer = { + .init = msm8960_timer_init +}; + +static void __init qsd8x50_timer_init(void) +{ + if (msm_timer_map(0xAC100000, 0xAC100010)) + return; + msm_timer_init(19200000 / 4, 32, 7, false); +} + +struct sys_timer qsd8x50_timer = { + .init = qsd8x50_timer_init }; |