diff options
Diffstat (limited to 'arch/arm/mach-ux500')
34 files changed, 283 insertions, 321 deletions
diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig index 3e5bbd0e5b23..f66d7deae46d 100644 --- a/arch/arm/mach-ux500/Kconfig +++ b/arch/arm/mach-ux500/Kconfig @@ -1,3 +1,19 @@ +config ARCH_U8500 + bool "ST-Ericsson U8500 Series" if ARCH_MULTI_V7 + depends on MMU + select ARCH_HAS_CPUFREQ + select ARCH_REQUIRE_GPIOLIB + select ARM_AMBA + select CLKDEV_LOOKUP + select CPU_V7 + select GENERIC_CLOCKEVENTS + select HAVE_ARM_SCU if SMP + select HAVE_ARM_TWD if LOCAL_TIMERS + select HAVE_SMP + select MIGHT_HAVE_CACHE_L2X0 + help + Support for ST-Ericsson's Ux500 architecture + if ARCH_U8500 config UX500_SOC_COMMON diff --git a/arch/arm/mach-ux500/Makefile b/arch/arm/mach-ux500/Makefile index f24710dfc395..bf9b6be5b180 100644 --- a/arch/arm/mach-ux500/Makefile +++ b/arch/arm/mach-ux500/Makefile @@ -3,7 +3,7 @@ # obj-y := cpu.o devices.o devices-common.o \ - id.o usb.o timer.o + id.o usb.o timer.o pm.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o obj-$(CONFIG_UX500_SOC_DB8500) += cpu-db8500.o devices-db8500.o @@ -15,3 +15,5 @@ obj-$(CONFIG_MACH_MOP500) += board-mop500.o board-mop500-sdi.o \ board-mop500-audio.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o + +CFLAGS_hotplug.o += -march=armv7-a diff --git a/arch/arm/mach-ux500/board-mop500-audio.c b/arch/arm/mach-ux500/board-mop500-audio.c index 7209db7cdc72..aba9e5692958 100644 --- a/arch/arm/mach-ux500/board-mop500-audio.c +++ b/arch/arm/mach-ux500/board-mop500-audio.c @@ -10,10 +10,9 @@ #include <linux/platform_data/pinctrl-nomadik.h> #include <linux/platform_data/dma-ste-dma40.h> -#include <mach/devices.h> -#include <mach/hardware.h> -#include <mach/irqs.h> -#include <mach/msp.h> +#include "devices.h" +#include "irqs.h" +#include <linux/platform_data/asoc-ux500-msp.h> #include "ste-dma40-db8500.h" #include "board-mop500.h" diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c index 0a3f30df1eb8..f3976f9c404a 100644 --- a/arch/arm/mach-ux500/board-mop500-pins.c +++ b/arch/arm/mach-ux500/board-mop500-pins.c @@ -13,8 +13,6 @@ #include <asm/mach-types.h> -#include <mach/hardware.h> - #include "pins-db8500.h" #include "board-mop500.h" diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c index 6db0740128de..0ef38775a0c1 100644 --- a/arch/arm/mach-ux500/board-mop500-sdi.c +++ b/arch/arm/mach-ux500/board-mop500-sdi.c @@ -14,9 +14,9 @@ #include <linux/platform_data/dma-ste-dma40.h> #include <asm/mach-types.h> -#include <mach/devices.h> -#include <mach/hardware.h> +#include "devices.h" +#include "db8500-regs.h" #include "devices-db8500.h" #include "board-mop500.h" #include "ste-dma40-db8500.h" diff --git a/arch/arm/mach-ux500/board-mop500-u8500uib.c b/arch/arm/mach-ux500/board-mop500-u8500uib.c index ead91c968ff4..d397c19570af 100644 --- a/arch/arm/mach-ux500/board-mop500-u8500uib.c +++ b/arch/arm/mach-ux500/board-mop500-u8500uib.c @@ -12,12 +12,15 @@ #include <linux/mfd/tc3589x.h> #include <linux/input/matrix_keypad.h> -#include <mach/irqs.h> +#include "irqs.h" #include "board-mop500.h" -/* Dummy data that can be overridden by staging driver */ -struct i2c_board_info __initdata __weak mop500_i2c3_devices_u8500[] = { +static struct i2c_board_info __initdata mop500_i2c3_devices_u8500[] = { + { + I2C_BOARD_INFO("synaptics_rmi4_i2c", 0x4B), + .irq = NOMADIK_GPIO_TO_IRQ(84), + }, }; /* diff --git a/arch/arm/mach-ux500/board-mop500-uib.c b/arch/arm/mach-ux500/board-mop500-uib.c index 7037d3687e9f..bdaa422da028 100644 --- a/arch/arm/mach-ux500/board-mop500-uib.c +++ b/arch/arm/mach-ux500/board-mop500-uib.c @@ -11,7 +11,6 @@ #include <linux/init.h> #include <linux/i2c.h> -#include <mach/hardware.h> #include "board-mop500.h" #include "id.h" diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index 574916b70b2e..a15dd6b63a8f 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -44,13 +44,13 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <mach/hardware.h> -#include <mach/setup.h> -#include <mach/devices.h> -#include <mach/irqs.h> +#include "setup.h" +#include "devices.h" +#include "irqs.h" #include <linux/platform_data/crypto-ux500.h> #include "ste-dma40-db8500.h" +#include "db8500-regs.h" #include "devices-db8500.h" #include "board-mop500.h" #include "board-mop500-regulators.h" @@ -237,63 +237,6 @@ struct ab8500_platform_data ab8500_platdata = { .codec = &ab8500_codec_pdata, }; -/* - * Thermal Sensor - */ - -static struct resource db8500_thsens_resources[] = { - { - .name = "IRQ_HOTMON_LOW", - .start = IRQ_PRCMU_HOTMON_LOW, - .end = IRQ_PRCMU_HOTMON_LOW, - .flags = IORESOURCE_IRQ, - }, - { - .name = "IRQ_HOTMON_HIGH", - .start = IRQ_PRCMU_HOTMON_HIGH, - .end = IRQ_PRCMU_HOTMON_HIGH, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct db8500_thsens_platform_data db8500_thsens_data = { - .trip_points[0] = { - .temp = 70000, - .type = THERMAL_TRIP_ACTIVE, - .cdev_name = { - [0] = "thermal-cpufreq-0", - }, - }, - .trip_points[1] = { - .temp = 75000, - .type = THERMAL_TRIP_ACTIVE, - .cdev_name = { - [0] = "thermal-cpufreq-0", - }, - }, - .trip_points[2] = { - .temp = 80000, - .type = THERMAL_TRIP_ACTIVE, - .cdev_name = { - [0] = "thermal-cpufreq-0", - }, - }, - .trip_points[3] = { - .temp = 85000, - .type = THERMAL_TRIP_CRITICAL, - }, - .num_trips = 4, -}; - -static struct platform_device u8500_thsens_device = { - .name = "db8500-thermal", - .resource = db8500_thsens_resources, - .num_resources = ARRAY_SIZE(db8500_thsens_resources), - .dev = { - .platform_data = &db8500_thsens_data, - }, -}; - static struct platform_device u8500_cpufreq_cooling_device = { .name = "db8500-cpufreq-cooling", }; @@ -663,7 +606,6 @@ static struct platform_device *snowball_platform_devs[] __initdata = { &snowball_key_dev, &snowball_sbnet_dev, &snowball_gpio_en_3v3_regulator_dev, - &u8500_thsens_device, &u8500_cpufreq_cooling_device, &sdi0_regulator, }; diff --git a/arch/arm/mach-ux500/board-mop500.h b/arch/arm/mach-ux500/board-mop500.h index d38951be70df..49514b825034 100644 --- a/arch/arm/mach-ux500/board-mop500.h +++ b/arch/arm/mach-ux500/board-mop500.h @@ -8,8 +8,8 @@ #define __BOARD_MOP500_H /* For NOMADIK_NR_GPIO */ -#include <mach/irqs.h> -#include <mach/msp.h> +#include "irqs.h" +#include <linux/platform_data/asoc-ux500-msp.h> #include <linux/amba/mmci.h> /* Snowball specific GPIO assignments, this board has no GPIO expander */ diff --git a/arch/arm/mach-ux500/cache-l2x0.c b/arch/arm/mach-ux500/cache-l2x0.c index f815efe54c73..f58615b5c601 100644 --- a/arch/arm/mach-ux500/cache-l2x0.c +++ b/arch/arm/mach-ux500/cache-l2x0.c @@ -9,8 +9,8 @@ #include <asm/cacheflush.h> #include <asm/hardware/cache-l2x0.h> -#include <mach/hardware.h> +#include "db8500-regs.h" #include "id.h" static void __iomem *l2x0_base; diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index 5c6c2e633868..995928ba22fd 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -28,15 +28,13 @@ #include <asm/mach/map.h> #include <asm/mach/arch.h> -#include <mach/hardware.h> -#include <mach/setup.h> -#include <mach/devices.h> -#include <mach/db8500-regs.h> -#include <mach/irqs.h> +#include "setup.h" +#include "devices.h" +#include "irqs.h" #include "devices-db8500.h" #include "ste-dma40-db8500.h" - +#include "db8500-regs.h" #include "board-mop500.h" #include "id.h" @@ -94,8 +92,6 @@ void __init u8500_map_io(void) iotable_init(u9540_io_desc, ARRAY_SIZE(u9540_io_desc)); else iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc)); - - _PRCMU_BASE = __io_address(U8500_PRCMU_BASE); } static struct resource db8500_pmu_resources[] = { diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c index 537870d3fea8..915e2636cbaa 100644 --- a/arch/arm/mach-ux500/cpu.c +++ b/arch/arm/mach-ux500/cpu.c @@ -8,7 +8,7 @@ #include <linux/platform_device.h> #include <linux/io.h> -#include <linux/mfd/db8500-prcmu.h> +#include <linux/mfd/dbx500-prcmu.h> #include <linux/clksrc-dbx500-prcmu.h> #include <linux/sys_soc.h> #include <linux/err.h> @@ -20,18 +20,17 @@ #include <linux/irqchip.h> #include <linux/irqchip/arm-gic.h> #include <linux/platform_data/clk-ux500.h> +#include <linux/platform_data/arm-ux500-pm.h> #include <asm/mach/map.h> -#include <mach/hardware.h> -#include <mach/setup.h> -#include <mach/devices.h> +#include "setup.h" +#include "devices.h" #include "board-mop500.h" +#include "db8500-regs.h" #include "id.h" -void __iomem *_PRCMU_BASE; - /* * FIXME: Should we set up the GPIO domain here? * @@ -68,13 +67,23 @@ void __init ux500_init_irq(void) * Init clocks here so that they are available for system timer * initialization. */ - if (cpu_is_u8500_family() || cpu_is_u9540()) - db8500_prcmu_early_init(); - - if (cpu_is_u8500_family() || cpu_is_u9540()) - u8500_clk_init(); - else if (cpu_is_u8540()) + if (cpu_is_u8500_family()) { + prcmu_early_init(U8500_PRCMU_BASE, SZ_8K - 1); + ux500_pm_init(U8500_PRCMU_BASE, SZ_8K - 1); + u8500_clk_init(U8500_CLKRST1_BASE, U8500_CLKRST2_BASE, + U8500_CLKRST3_BASE, U8500_CLKRST5_BASE, + U8500_CLKRST6_BASE); + } else if (cpu_is_u9540()) { + prcmu_early_init(U8500_PRCMU_BASE, SZ_8K - 1); + ux500_pm_init(U8500_PRCMU_BASE, SZ_8K - 1); + u8500_clk_init(U8500_CLKRST1_BASE, U8500_CLKRST2_BASE, + U8500_CLKRST3_BASE, U8500_CLKRST5_BASE, + U8500_CLKRST6_BASE); + } else if (cpu_is_u8540()) { + prcmu_early_init(U8500_PRCMU_BASE, SZ_8K + SZ_4K - 1); + ux500_pm_init(U8500_PRCMU_BASE, SZ_8K + SZ_4K - 1); u8540_clk_init(); + } } void __init ux500_init_late(void) diff --git a/arch/arm/mach-ux500/cpuidle.c b/arch/arm/mach-ux500/cpuidle.c index 488e07472d98..317a2be129fb 100644 --- a/arch/arm/mach-ux500/cpuidle.c +++ b/arch/arm/mach-ux500/cpuidle.c @@ -15,10 +15,13 @@ #include <linux/atomic.h> #include <linux/smp.h> #include <linux/mfd/dbx500-prcmu.h> +#include <linux/platform_data/arm-ux500-pm.h> #include <asm/cpuidle.h> #include <asm/proc-fns.h> +#include "db8500-regs.h" + static atomic_t master = ATOMIC_INIT(0); static DEFINE_SPINLOCK(master_lock); @@ -111,7 +114,7 @@ static struct cpuidle_driver ux500_idle_driver = { int __init ux500_idle_init(void) { - /* Configure wake up reasons */ + /* Configure wake up reasons */ prcmu_enable_wakeups(PRCMU_WAKEUP(ARM) | PRCMU_WAKEUP(RTC) | PRCMU_WAKEUP(ABB)); diff --git a/arch/arm/mach-ux500/include/mach/db8500-regs.h b/arch/arm/mach-ux500/db8500-regs.h index 1530d493879d..b2d7a0b98629 100644 --- a/arch/arm/mach-ux500/include/mach/db8500-regs.h +++ b/arch/arm/mach-ux500/db8500-regs.h @@ -170,4 +170,32 @@ /* SoC identification number information */ #define U8500_BB_UID_BASE (U8500_BACKUPRAM1_BASE + 0xFC0) +/* Offsets to specific addresses in some IP blocks for DMA */ +#define MSP_TX_RX_REG_OFFSET 0 +#define CRYP1_RX_REG_OFFSET 0x10 +#define CRYP1_TX_REG_OFFSET 0x8 +#define HASH1_TX_REG_OFFSET 0x4 + +/* + * Macros to get at IO space when running virtually + * We dont map all the peripherals, let ioremap do + * this for us. We map only very basic peripherals here. + */ +#define U8500_IO_VIRTUAL 0xf0000000 +#define U8500_IO_PHYSICAL 0xa0000000 +/* This is where we map in the ROM to check ASIC IDs */ +#define UX500_VIRT_ROM 0xf0000000 + +/* This macro is used in assembly, so no cast */ +#define IO_ADDRESS(x) \ + (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + U8500_IO_VIRTUAL) + +/* typesafe io address */ +#define __io_address(n) IOMEM(IO_ADDRESS(n)) + +/* Used by some plat-nomadik code */ +#define io_p2v(n) __io_address(n) + +#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x) + #endif diff --git a/arch/arm/mach-ux500/devices-common.c b/arch/arm/mach-ux500/devices-common.c index 16b5f71e6974..f71b3d7bd4fb 100644 --- a/arch/arm/mach-ux500/devices-common.c +++ b/arch/arm/mach-ux500/devices-common.c @@ -13,8 +13,7 @@ #include <linux/platform_device.h> #include <linux/platform_data/pinctrl-nomadik.h> -#include <mach/hardware.h> -#include <mach/irqs.h> +#include "irqs.h" #include "devices-common.h" diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c index f3d9419f75d3..1cf94ce0feec 100644 --- a/arch/arm/mach-ux500/devices-db8500.c +++ b/arch/arm/mach-ux500/devices-db8500.c @@ -15,10 +15,10 @@ #include <linux/platform_data/dma-ste-dma40.h> #include <linux/mfd/dbx500-prcmu.h> -#include <mach/hardware.h> -#include <mach/setup.h> -#include <mach/irqs.h> +#include "setup.h" +#include "irqs.h" +#include "db8500-regs.h" #include "devices-db8500.h" #include "ste-dma40-db8500.h" @@ -199,6 +199,8 @@ struct platform_device u8500_ske_keypad_device = { struct prcmu_pdata db8500_prcmu_pdata = { .ab_platdata = &ab8500_platdata, + .ab_irq = IRQ_DB8500_AB8500, + .irq_base = IRQ_PRCMU_BASE, .version_offset = DB8500_PRCMU_FW_VERSION_OFFSET, .legacy_offset = DB8500_PRCMU_LEGACY_OFFSET, }; diff --git a/arch/arm/mach-ux500/devices-db8500.h b/arch/arm/mach-ux500/devices-db8500.h index dbcb35c48f06..321998320f98 100644 --- a/arch/arm/mach-ux500/devices-db8500.h +++ b/arch/arm/mach-ux500/devices-db8500.h @@ -9,7 +9,8 @@ #define __DEVICES_DB8500_H #include <linux/platform_data/usb-musb-ux500.h> -#include <mach/irqs.h> +#include "irqs.h" +#include "db8500-regs.h" #include "devices-common.h" struct ske_keypad_platform_data; diff --git a/arch/arm/mach-ux500/devices.c b/arch/arm/mach-ux500/devices.c index ea0a2f92ca70..0f9e52b95935 100644 --- a/arch/arm/mach-ux500/devices.c +++ b/arch/arm/mach-ux500/devices.c @@ -11,8 +11,9 @@ #include <linux/io.h> #include <linux/amba/bus.h> -#include <mach/hardware.h> -#include <mach/setup.h> +#include "setup.h" + +#include "db8500-regs.h" void __init amba_add_devices(struct amba_device *devs[], int num) { diff --git a/arch/arm/mach-ux500/include/mach/devices.h b/arch/arm/mach-ux500/devices.h index cbc6f1e4104d..cbc6f1e4104d 100644 --- a/arch/arm/mach-ux500/include/mach/devices.h +++ b/arch/arm/mach-ux500/devices.h diff --git a/arch/arm/mach-ux500/hotplug.c b/arch/arm/mach-ux500/hotplug.c index 2f6af259015d..87abcf278432 100644 --- a/arch/arm/mach-ux500/hotplug.c +++ b/arch/arm/mach-ux500/hotplug.c @@ -15,7 +15,7 @@ #include <asm/cacheflush.h> #include <asm/smp_plat.h> -#include <mach/setup.h> +#include "setup.h" /* * platform-specific code to shutdown a CPU diff --git a/arch/arm/mach-ux500/id.c b/arch/arm/mach-ux500/id.c index 9f951842e1e5..0d33d1a06955 100644 --- a/arch/arm/mach-ux500/id.c +++ b/arch/arm/mach-ux500/id.c @@ -14,9 +14,9 @@ #include <asm/cacheflush.h> #include <asm/mach/map.h> -#include <mach/hardware.h> -#include <mach/setup.h> +#include "setup.h" +#include "db8500-regs.h" #include "id.h" struct dbx500_asic_id dbx500_id; diff --git a/arch/arm/mach-ux500/include/mach/debug-macro.S b/arch/arm/mach-ux500/include/mach/debug-macro.S deleted file mode 100644 index 67035223334a..000000000000 --- a/arch/arm/mach-ux500/include/mach/debug-macro.S +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Debugging macro include header - * - * Copyright (C) 2009 ST-Ericsson - * - * 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 <mach/hardware.h> - -#if CONFIG_UX500_DEBUG_UART > 2 -#error Invalid Ux500 debug UART -#endif - -/* - * DEBUG_LL only works if only one SOC is built in. We don't use #else below - * in order to get "__UX500_UART redefined" warnings if more than one SOC is - * built, so that there's some hint during the build that something is wrong. - */ - -#ifdef CONFIG_UX500_SOC_DB8500 -#define __UX500_UART(n) U8500_UART##n##_BASE -#endif - -#ifndef __UX500_UART -#error Unknown SOC -#endif - -#define UX500_UART(n) __UX500_UART(n) -#define UART_BASE UX500_UART(CONFIG_UX500_DEBUG_UART) - - .macro addruart, rp, rv, tmp - ldr \rp, =UART_BASE @ no, physical address - ldr \rv, =IO_ADDRESS(UART_BASE) @ yes, virtual address - .endm - -#include <asm/hardware/debug-pl01x.S> diff --git a/arch/arm/mach-ux500/include/mach/hardware.h b/arch/arm/mach-ux500/include/mach/hardware.h deleted file mode 100644 index 5201ddace503..000000000000 --- a/arch/arm/mach-ux500/include/mach/hardware.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Copyright (C) 2009 ST-Ericsson. - * - * U8500 hardware definitions - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ -#ifndef __MACH_HARDWARE_H -#define __MACH_HARDWARE_H - -/* - * Macros to get at IO space when running virtually - * We dont map all the peripherals, let ioremap do - * this for us. We map only very basic peripherals here. - */ -#define U8500_IO_VIRTUAL 0xf0000000 -#define U8500_IO_PHYSICAL 0xa0000000 -/* This is where we map in the ROM to check ASIC IDs */ -#define UX500_VIRT_ROM 0xf0000000 - -/* This macro is used in assembly, so no cast */ -#define IO_ADDRESS(x) \ - (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + U8500_IO_VIRTUAL) - -/* typesafe io address */ -#define __io_address(n) IOMEM(IO_ADDRESS(n)) - -/* Used by some plat-nomadik code */ -#define io_p2v(n) __io_address(n) - -#include <mach/db8500-regs.h> - -#define MSP_TX_RX_REG_OFFSET 0 -#define CRYP1_RX_REG_OFFSET 0x10 -#define CRYP1_TX_REG_OFFSET 0x8 -#define HASH1_TX_REG_OFFSET 0x4 - -#ifndef __ASSEMBLY__ - -extern void __iomem *_PRCMU_BASE; - -#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x) - -#endif /* __ASSEMBLY__ */ -#endif /* __MACH_HARDWARE_H */ diff --git a/arch/arm/mach-ux500/include/mach/msp.h b/arch/arm/mach-ux500/include/mach/msp.h deleted file mode 100644 index 9991aea3d577..000000000000 --- a/arch/arm/mach-ux500/include/mach/msp.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * Copyright (C) ST-Ericsson SA 2010 - * - * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson - * License terms: GNU General Public License (GPL), version 2. - */ - -#ifndef __MSP_H -#define __MSP_H - -#include <linux/platform_data/dma-ste-dma40.h> - -enum msp_i2s_id { - MSP_I2S_0 = 0, - MSP_I2S_1, - MSP_I2S_2, - MSP_I2S_3, -}; - -/* Platform data structure for a MSP I2S-device */ -struct msp_i2s_platform_data { - enum msp_i2s_id id; - struct stedma40_chan_cfg *msp_i2s_dma_rx; - struct stedma40_chan_cfg *msp_i2s_dma_tx; -}; - -#endif diff --git a/arch/arm/mach-ux500/include/mach/timex.h b/arch/arm/mach-ux500/include/mach/timex.h deleted file mode 100644 index d0942c174018..000000000000 --- a/arch/arm/mach-ux500/include/mach/timex.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H - -#define CLOCK_TICK_RATE 110000000 - -#endif diff --git a/arch/arm/mach-ux500/include/mach/uncompress.h b/arch/arm/mach-ux500/include/mach/uncompress.h deleted file mode 100644 index 36969d52e53a..000000000000 --- a/arch/arm/mach-ux500/include/mach/uncompress.h +++ /dev/null @@ -1,57 +0,0 @@ -/* - * Copyright (C) 2009 ST-Ericsson - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef __ASM_ARCH_UNCOMPRESS_H -#define __ASM_ARCH_UNCOMPRESS_H - -#include <asm/setup.h> -#include <asm/mach-types.h> -#include <linux/io.h> -#include <linux/amba/serial.h> -#include <mach/hardware.h> - -void __iomem *ux500_uart_base; - -static void putc(const char c) -{ - /* Do nothing if the UART is not enabled. */ - if (!(__raw_readb(ux500_uart_base + UART011_CR) & 0x1)) - return; - - if (c == '\n') - putc('\r'); - - while (__raw_readb(ux500_uart_base + UART01x_FR) & (1 << 5)) - barrier(); - __raw_writeb(c, ux500_uart_base + UART01x_DR); -} - -static void flush(void) -{ - if (!(__raw_readb(ux500_uart_base + UART011_CR) & 0x1)) - return; - while (__raw_readb(ux500_uart_base + UART01x_FR) & (1 << 3)) - barrier(); -} - -static inline void arch_decomp_setup(void) -{ - /* Use machine_is_foo() macro if you need to switch base someday */ - ux500_uart_base = (void __iomem *)U8500_UART2_BASE; -} - -#endif /* __ASM_ARCH_UNCOMPRESS_H */ diff --git a/arch/arm/mach-ux500/include/mach/irqs-board-mop500.h b/arch/arm/mach-ux500/irqs-board-mop500.h index d526dd8e87d3..d526dd8e87d3 100644 --- a/arch/arm/mach-ux500/include/mach/irqs-board-mop500.h +++ b/arch/arm/mach-ux500/irqs-board-mop500.h diff --git a/arch/arm/mach-ux500/include/mach/irqs-db8500.h b/arch/arm/mach-ux500/irqs-db8500.h index 68bc14974608..f3a9d5947ef3 100644 --- a/arch/arm/mach-ux500/include/mach/irqs-db8500.h +++ b/arch/arm/mach-ux500/irqs-db8500.h @@ -109,31 +109,6 @@ /* Virtual interrupts corresponding to the PRCMU wakeups. */ #define IRQ_PRCMU_BASE IRQ_SOC_START -#define NUM_PRCMU_WAKEUPS (IRQ_PRCMU_END - IRQ_PRCMU_BASE) - -#define IRQ_PRCMU_RTC (IRQ_PRCMU_BASE) -#define IRQ_PRCMU_RTT0 (IRQ_PRCMU_BASE + 1) -#define IRQ_PRCMU_RTT1 (IRQ_PRCMU_BASE + 2) -#define IRQ_PRCMU_HSI0 (IRQ_PRCMU_BASE + 3) -#define IRQ_PRCMU_HSI1 (IRQ_PRCMU_BASE + 4) -#define IRQ_PRCMU_CA_WAKE (IRQ_PRCMU_BASE + 5) -#define IRQ_PRCMU_USB (IRQ_PRCMU_BASE + 6) -#define IRQ_PRCMU_ABB (IRQ_PRCMU_BASE + 7) -#define IRQ_PRCMU_ABB_FIFO (IRQ_PRCMU_BASE + 8) -#define IRQ_PRCMU_ARM (IRQ_PRCMU_BASE + 9) -#define IRQ_PRCMU_MODEM_SW_RESET_REQ (IRQ_PRCMU_BASE + 10) -#define IRQ_PRCMU_GPIO0 (IRQ_PRCMU_BASE + 11) -#define IRQ_PRCMU_GPIO1 (IRQ_PRCMU_BASE + 12) -#define IRQ_PRCMU_GPIO2 (IRQ_PRCMU_BASE + 13) -#define IRQ_PRCMU_GPIO3 (IRQ_PRCMU_BASE + 14) -#define IRQ_PRCMU_GPIO4 (IRQ_PRCMU_BASE + 15) -#define IRQ_PRCMU_GPIO5 (IRQ_PRCMU_BASE + 16) -#define IRQ_PRCMU_GPIO6 (IRQ_PRCMU_BASE + 17) -#define IRQ_PRCMU_GPIO7 (IRQ_PRCMU_BASE + 18) -#define IRQ_PRCMU_GPIO8 (IRQ_PRCMU_BASE + 19) -#define IRQ_PRCMU_CA_SLEEP (IRQ_PRCMU_BASE + 20) -#define IRQ_PRCMU_HOTMON_LOW (IRQ_PRCMU_BASE + 21) -#define IRQ_PRCMU_HOTMON_HIGH (IRQ_PRCMU_BASE + 22) #define IRQ_PRCMU_END (IRQ_PRCMU_BASE + 23) /* diff --git a/arch/arm/mach-ux500/include/mach/irqs.h b/arch/arm/mach-ux500/irqs.h index fc77b4274c8d..15b2af698ed7 100644 --- a/arch/arm/mach-ux500/include/mach/irqs.h +++ b/arch/arm/mach-ux500/irqs.h @@ -10,8 +10,6 @@ #ifndef ASM_ARCH_IRQS_H #define ASM_ARCH_IRQS_H -#include <mach/hardware.h> - #define IRQ_LOCALTIMER 29 #define IRQ_LOCALWDOG 30 @@ -36,14 +34,14 @@ /* This will be overridden by SoC-specific irq headers */ #define IRQ_SOC_END IRQ_SOC_START -#include <mach/irqs-db8500.h> +#include "irqs-db8500.h" #define IRQ_BOARD_START IRQ_SOC_END /* This will be overridden by board-specific irq headers */ #define IRQ_BOARD_END IRQ_BOARD_START #ifdef CONFIG_MACH_MOP500 -#include <mach/irqs-board-mop500.h> +#include "irqs-board-mop500.h" #endif #define UX500_NR_IRQS IRQ_BOARD_END diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c index 152b1309b9af..14d90469392f 100644 --- a/arch/arm/mach-ux500/platsmp.c +++ b/arch/arm/mach-ux500/platsmp.c @@ -21,9 +21,9 @@ #include <asm/smp_plat.h> #include <asm/smp_scu.h> -#include <mach/hardware.h> -#include <mach/setup.h> +#include "setup.h" +#include "db8500-regs.h" #include "id.h" /* This is called from headsmp.S to wakeup the secondary core */ diff --git a/arch/arm/mach-ux500/pm.c b/arch/arm/mach-ux500/pm.c new file mode 100644 index 000000000000..1a468f0fd22e --- /dev/null +++ b/arch/arm/mach-ux500/pm.c @@ -0,0 +1,167 @@ +/* + * Copyright (C) ST-Ericsson SA 2010-2013 + * Author: Rickard Andersson <rickard.andersson@stericsson.com> for + * ST-Ericsson. + * Author: Daniel Lezcano <daniel.lezcano@linaro.org> for Linaro. + * License terms: GNU General Public License (GPL) version 2 + * + */ + +#include <linux/kernel.h> +#include <linux/irqchip/arm-gic.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/platform_data/arm-ux500-pm.h> + +#include "db8500-regs.h" + +/* ARM WFI Standby signal register */ +#define PRCM_ARM_WFI_STANDBY (prcmu_base + 0x130) +#define PRCM_ARM_WFI_STANDBY_WFI0 0x08 +#define PRCM_ARM_WFI_STANDBY_WFI1 0x10 +#define PRCM_IOCR (prcmu_base + 0x310) +#define PRCM_IOCR_IOFORCE 0x1 + +/* Dual A9 core interrupt management unit registers */ +#define PRCM_A9_MASK_REQ (prcmu_base + 0x328) +#define PRCM_A9_MASK_REQ_PRCM_A9_MASK_REQ 0x1 + +#define PRCM_A9_MASK_ACK (prcmu_base + 0x32c) +#define PRCM_ARMITMSK31TO0 (prcmu_base + 0x11c) +#define PRCM_ARMITMSK63TO32 (prcmu_base + 0x120) +#define PRCM_ARMITMSK95TO64 (prcmu_base + 0x124) +#define PRCM_ARMITMSK127TO96 (prcmu_base + 0x128) +#define PRCM_POWER_STATE_VAL (prcmu_base + 0x25C) +#define PRCM_ARMITVAL31TO0 (prcmu_base + 0x260) +#define PRCM_ARMITVAL63TO32 (prcmu_base + 0x264) +#define PRCM_ARMITVAL95TO64 (prcmu_base + 0x268) +#define PRCM_ARMITVAL127TO96 (prcmu_base + 0x26C) + +static void __iomem *prcmu_base; + +/* This function decouple the gic from the prcmu */ +int prcmu_gic_decouple(void) +{ + u32 val = readl(PRCM_A9_MASK_REQ); + + /* Set bit 0 register value to 1 */ + writel(val | PRCM_A9_MASK_REQ_PRCM_A9_MASK_REQ, + PRCM_A9_MASK_REQ); + + /* Make sure the register is updated */ + readl(PRCM_A9_MASK_REQ); + + /* Wait a few cycles for the gic mask completion */ + udelay(1); + + return 0; +} + +/* This function recouple the gic with the prcmu */ +int prcmu_gic_recouple(void) +{ + u32 val = readl(PRCM_A9_MASK_REQ); + + /* Set bit 0 register value to 0 */ + writel(val & ~PRCM_A9_MASK_REQ_PRCM_A9_MASK_REQ, PRCM_A9_MASK_REQ); + + return 0; +} + +#define PRCMU_GIC_NUMBER_REGS 5 + +/* + * This function checks if there are pending irq on the gic. It only + * makes sense if the gic has been decoupled before with the + * db8500_prcmu_gic_decouple function. Disabling an interrupt only + * disables the forwarding of the interrupt to any CPU interface. It + * does not prevent the interrupt from changing state, for example + * becoming pending, or active and pending if it is already + * active. Hence, we have to check the interrupt is pending *and* is + * active. + */ +bool prcmu_gic_pending_irq(void) +{ + u32 pr; /* Pending register */ + u32 er; /* Enable register */ + void __iomem *dist_base = __io_address(U8500_GIC_DIST_BASE); + int i; + + /* 5 registers. STI & PPI not skipped */ + for (i = 0; i < PRCMU_GIC_NUMBER_REGS; i++) { + + pr = readl_relaxed(dist_base + GIC_DIST_PENDING_SET + i * 4); + er = readl_relaxed(dist_base + GIC_DIST_ENABLE_SET + i * 4); + + if (pr & er) + return true; /* There is a pending interrupt */ + } + + return false; +} + +/* + * This function checks if there are pending interrupt on the + * prcmu which has been delegated to monitor the irqs with the + * db8500_prcmu_copy_gic_settings function. + */ +bool prcmu_pending_irq(void) +{ + u32 it, im; + int i; + + for (i = 0; i < PRCMU_GIC_NUMBER_REGS - 1; i++) { + it = readl(PRCM_ARMITVAL31TO0 + i * 4); + im = readl(PRCM_ARMITMSK31TO0 + i * 4); + if (it & im) + return true; /* There is a pending interrupt */ + } + + return false; +} + +/* + * This function checks if the specified cpu is in in WFI. It's usage + * makes sense only if the gic is decoupled with the db8500_prcmu_gic_decouple + * function. Of course passing smp_processor_id() to this function will + * always return false... + */ +bool prcmu_is_cpu_in_wfi(int cpu) +{ + return readl(PRCM_ARM_WFI_STANDBY) & cpu ? PRCM_ARM_WFI_STANDBY_WFI1 : + PRCM_ARM_WFI_STANDBY_WFI0; +} + +/* + * This function copies the gic SPI settings to the prcmu in order to + * monitor them and abort/finish the retention/off sequence or state. + */ +int prcmu_copy_gic_settings(void) +{ + u32 er; /* Enable register */ + void __iomem *dist_base = __io_address(U8500_GIC_DIST_BASE); + int i; + + /* We skip the STI and PPI */ + for (i = 0; i < PRCMU_GIC_NUMBER_REGS - 1; i++) { + er = readl_relaxed(dist_base + + GIC_DIST_ENABLE_SET + (i + 1) * 4); + writel(er, PRCM_ARMITMSK31TO0 + i * 4); + } + + return 0; +} + +void __init ux500_pm_init(u32 phy_base, u32 size) +{ + prcmu_base = ioremap(phy_base, size); + if (!prcmu_base) { + pr_err("could not remap PRCMU for PM functions\n"); + return; + } + /* + * On watchdog reboot the GIC is in some cases decoupled. + * This will make sure that the GIC is correctly configured. + */ + prcmu_gic_recouple(); +} diff --git a/arch/arm/mach-ux500/include/mach/setup.h b/arch/arm/mach-ux500/setup.h index bddce2b49372..bddce2b49372 100644 --- a/arch/arm/mach-ux500/include/mach/setup.h +++ b/arch/arm/mach-ux500/setup.h diff --git a/arch/arm/mach-ux500/timer.c b/arch/arm/mach-ux500/timer.c index d07bbe7f04a6..b6bd0efcbe64 100644 --- a/arch/arm/mach-ux500/timer.c +++ b/arch/arm/mach-ux500/timer.c @@ -14,10 +14,10 @@ #include <asm/smp_twd.h> -#include <mach/setup.h> -#include <mach/hardware.h> -#include <mach/irqs.h> +#include "setup.h" +#include "irqs.h" +#include "db8500-regs.h" #include "id.h" #ifdef CONFIG_HAVE_ARM_TWD diff --git a/arch/arm/mach-ux500/usb.c b/arch/arm/mach-ux500/usb.c index 78ac65f62e87..2dfc72f7cd8a 100644 --- a/arch/arm/mach-ux500/usb.c +++ b/arch/arm/mach-ux500/usb.c @@ -10,7 +10,7 @@ #include <linux/platform_data/usb-musb-ux500.h> #include <linux/platform_data/dma-ste-dma40.h> -#include <mach/hardware.h> +#include "db8500-regs.h" #define MUSB_DMA40_RX_CH { \ .mode = STEDMA40_MODE_LOGICAL, \ |
