diff options
Diffstat (limited to 'arch/arm')
37 files changed, 850 insertions, 521 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 9d72ed67e432..7bab17ed2972 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -891,6 +891,7 @@ config ARCH_NOMADIK select COMMON_CLK select GENERIC_CLOCKEVENTS select PINCTRL + select PINCTRL_STN8815 select MIGHT_HAVE_CACHE_L2X0 select ARCH_REQUIRE_GPIOLIB help diff --git a/arch/arm/boot/dts/highbank.dts b/arch/arm/boot/dts/highbank.dts index 9fecf1ae777b..0c6fc34821f9 100644 --- a/arch/arm/boot/dts/highbank.dts +++ b/arch/arm/boot/dts/highbank.dts @@ -121,6 +121,10 @@ compatible = "calxeda,hb-ahci"; reg = <0xffe08000 0x10000>; interrupts = <0 83 4>; + calxeda,port-phys = <&combophy5 0 &combophy0 0 + &combophy0 1 &combophy0 2 + &combophy0 3>; + dma-coherent; }; sdhci@ffe0e000 { @@ -306,5 +310,19 @@ reg = <0xfff51000 0x1000>; interrupts = <0 80 4 0 81 4 0 82 4>; }; + + combophy0: combo-phy@fff58000 { + compatible = "calxeda,hb-combophy"; + #phy-cells = <1>; + reg = <0xfff58000 0x1000>; + phydev = <5>; + }; + + combophy5: combo-phy@fff5d000 { + compatible = "calxeda,hb-combophy"; + #phy-cells = <1>; + reg = <0xfff5d000 0x1000>; + phydev = <31>; + }; }; }; diff --git a/arch/arm/configs/kzm9g_defconfig b/arch/arm/configs/kzm9g_defconfig index 5d0c66708960..c88b57886e79 100644 --- a/arch/arm/configs/kzm9g_defconfig +++ b/arch/arm/configs/kzm9g_defconfig @@ -23,7 +23,6 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set CONFIG_ARCH_SHMOBILE=y -CONFIG_KEYBOARD_GPIO_POLLED=y CONFIG_ARCH_SH73A0=y CONFIG_MACH_KZM9G=y CONFIG_MEMORY_START=0x41000000 @@ -71,6 +70,7 @@ CONFIG_INPUT_SPARSEKMAP=y # CONFIG_INPUT_MOUSEDEV is not set CONFIG_INPUT_EVDEV=y # CONFIG_KEYBOARD_ATKBD is not set +CONFIG_KEYBOARD_GPIO=y # CONFIG_INPUT_MOUSE is not set CONFIG_INPUT_TOUCHSCREEN=y CONFIG_TOUCHSCREEN_ST1232=y diff --git a/arch/arm/configs/sam9_l9260_defconfig b/arch/arm/configs/sam9_l9260_defconfig index ecf2531523a1..b4384af1bea6 100644 --- a/arch/arm/configs/sam9_l9260_defconfig +++ b/arch/arm/configs/sam9_l9260_defconfig @@ -39,7 +39,7 @@ CONFIG_MTD_NAND=y CONFIG_MTD_NAND_ATMEL=y CONFIG_MTD_NAND_PLATFORM=y CONFIG_MTD_UBI=y -CONFIG_MTD_UBI_BEB_RESERVE=3 +CONFIG_MTD_UBI_BEB_LIMIT=25 CONFIG_MTD_UBI_GLUEBI=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_RAM=y diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h index 05112380dc53..8dcd9c702d90 100644 --- a/arch/arm/include/asm/barrier.h +++ b/arch/arm/include/asm/barrier.h @@ -44,10 +44,9 @@ #define rmb() dsb() #define wmb() mb() #else -#include <asm/memory.h> -#define mb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) -#define rmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) -#define wmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) +#define mb() barrier() +#define rmb() barrier() +#define wmb() barrier() #endif #ifndef CONFIG_SMP diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index 5c44dcb0987b..23004847bb05 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -13,6 +13,7 @@ #define DMA_ERROR_CODE (~0) extern struct dma_map_ops arm_dma_ops; +extern struct dma_map_ops arm_coherent_dma_ops; static inline struct dma_map_ops *get_dma_ops(struct device *dev) { diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 5f6ddcc56452..73cf03aa981e 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -275,14 +275,6 @@ static inline __deprecated void *bus_to_virt(unsigned long x) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) -/* - * Optional coherency support. Currently used only by selected - * Intel XSC3-based systems. - */ -#ifndef arch_is_coherent -#define arch_is_coherent() 0 -#endif - #endif #include <asm-generic/memory_model.h> diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index aa4ffe6e5ecf..dea7a925c7e2 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -24,6 +24,7 @@ #include <linux/percpu.h> #include <linux/clockchips.h> #include <linux/completion.h> +#include <linux/cpufreq.h> #include <linux/atomic.h> #include <asm/smp.h> @@ -650,3 +651,56 @@ int setup_profiling_timer(unsigned int multiplier) { return -EINVAL; } + +#ifdef CONFIG_CPU_FREQ + +static DEFINE_PER_CPU(unsigned long, l_p_j_ref); +static DEFINE_PER_CPU(unsigned long, l_p_j_ref_freq); +static unsigned long global_l_p_j_ref; +static unsigned long global_l_p_j_ref_freq; + +static int cpufreq_callback(struct notifier_block *nb, + unsigned long val, void *data) +{ + struct cpufreq_freqs *freq = data; + int cpu = freq->cpu; + + if (freq->flags & CPUFREQ_CONST_LOOPS) + return NOTIFY_OK; + + if (!per_cpu(l_p_j_ref, cpu)) { + per_cpu(l_p_j_ref, cpu) = + per_cpu(cpu_data, cpu).loops_per_jiffy; + per_cpu(l_p_j_ref_freq, cpu) = freq->old; + if (!global_l_p_j_ref) { + global_l_p_j_ref = loops_per_jiffy; + global_l_p_j_ref_freq = freq->old; + } + } + + if ((val == CPUFREQ_PRECHANGE && freq->old < freq->new) || + (val == CPUFREQ_POSTCHANGE && freq->old > freq->new) || + (val == CPUFREQ_RESUMECHANGE || val == CPUFREQ_SUSPENDCHANGE)) { + loops_per_jiffy = cpufreq_scale(global_l_p_j_ref, + global_l_p_j_ref_freq, + freq->new); + per_cpu(cpu_data, cpu).loops_per_jiffy = + cpufreq_scale(per_cpu(l_p_j_ref, cpu), + per_cpu(l_p_j_ref_freq, cpu), + freq->new); + } + return NOTIFY_OK; +} + +static struct notifier_block cpufreq_notifier = { + .notifier_call = cpufreq_callback, +}; + +static int __init register_cpufreq_notifier(void) +{ + return cpufreq_register_notifier(&cpufreq_notifier, + CPUFREQ_TRANSITION_NOTIFIER); +} +core_initcall(register_cpufreq_notifier); + +#endif diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index af1da34ccf9d..40e36a50304c 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -15,6 +15,7 @@ */ #include <linux/clk.h> #include <linux/clkdev.h> +#include <linux/dma-mapping.h> #include <linux/io.h> #include <linux/irq.h> #include <linux/irqdomain.h> @@ -23,6 +24,7 @@ #include <linux/of_platform.h> #include <linux/of_address.h> #include <linux/smp.h> +#include <linux/amba/bus.h> #include <asm/cacheflush.h> #include <asm/smp_plat.h> @@ -149,11 +151,61 @@ static void highbank_power_off(void) cpu_do_idle(); } +static int highbank_platform_notifier(struct notifier_block *nb, + unsigned long event, void *__dev) +{ + struct resource *res; + int reg = -1; + struct device *dev = __dev; + + if (event != BUS_NOTIFY_ADD_DEVICE) + return NOTIFY_DONE; + + if (of_device_is_compatible(dev->of_node, "calxeda,hb-ahci")) + reg = 0xc; + else if (of_device_is_compatible(dev->of_node, "calxeda,hb-sdhci")) + reg = 0x18; + else if (of_device_is_compatible(dev->of_node, "arm,pl330")) + reg = 0x20; + else if (of_device_is_compatible(dev->of_node, "calxeda,hb-xgmac")) { + res = platform_get_resource(to_platform_device(dev), + IORESOURCE_MEM, 0); + if (res) { + if (res->start == 0xfff50000) + reg = 0; + else if (res->start == 0xfff51000) + reg = 4; + } + } + + if (reg < 0) + return NOTIFY_DONE; + + if (of_property_read_bool(dev->of_node, "dma-coherent")) { + writel(0xff31, sregs_base + reg); + set_dma_ops(dev, &arm_coherent_dma_ops); + } else + writel(0, sregs_base + reg); + + return NOTIFY_OK; +} + +static struct notifier_block highbank_amba_nb = { + .notifier_call = highbank_platform_notifier, +}; + +static struct notifier_block highbank_platform_nb = { + .notifier_call = highbank_platform_notifier, +}; + static void __init highbank_init(void) { pm_power_off = highbank_power_off; highbank_pm_init(); + bus_register_notifier(&platform_bus_type, &highbank_platform_nb); + bus_register_notifier(&amba_bustype, &highbank_amba_nb); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c index 92a00260d074..bfa1eab91f41 100644 --- a/arch/arm/mach-nomadik/board-nhk8815.c +++ b/arch/arm/mach-nomadik/board-nhk8815.c @@ -23,6 +23,7 @@ #include <linux/mtd/partitions.h> #include <linux/i2c.h> #include <linux/io.h> +#include <linux/pinctrl/machine.h> #include <asm/hardware/vic.h> #include <asm/sizes.h> #include <asm/mach-types.h> @@ -33,6 +34,7 @@ #include <plat/gpio-nomadik.h> #include <plat/mtu.h> +#include <plat/pincfg.h> #include <linux/platform_data/mtd-nomadik-nand.h> #include <mach/fsmc.h> @@ -290,8 +292,42 @@ static struct i2c_board_info __initdata nhk8815_i2c2_devices[] = { }, }; +static unsigned long out_low[] = { PIN_OUTPUT_LOW }; +static unsigned long out_high[] = { PIN_OUTPUT_HIGH }; +static unsigned long in_nopull[] = { PIN_INPUT_NOPULL }; +static unsigned long in_pullup[] = { PIN_INPUT_PULLUP }; + +static struct pinctrl_map __initdata nhk8815_pinmap[] = { + PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-stn8815", "u0_a_1", "u0"), + PIN_MAP_MUX_GROUP_DEFAULT("uart1", "pinctrl-stn8815", "u1_a_1", "u1"), + /* Hog in MMC/SD card mux */ + PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-stn8815", "mmcsd_a_1", "mmcsd"), + /* MCCLK */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO8_B10", out_low), + /* MCCMD */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO9_A10", in_pullup), + /* MCCMDDIR */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO10_C11", out_high), + /* MCDAT3-0 */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO11_B11", in_pullup), + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO12_A11", in_pullup), + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO13_C12", in_pullup), + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO14_B12", in_pullup), + /* MCDAT0DIR */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO15_A12", out_high), + /* MCDAT31DIR */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO16_C13", out_high), + /* MCMSFBCLK */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO24_C15", in_pullup), + /* CD input GPIO */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO111_H21", in_nopull), + /* CD bias drive */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO112_J21", out_low), +}; + static void __init nhk8815_platform_init(void) { + pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap)); cpu8815_platform_init(); nhk8815_onenand_init(); platform_add_devices(nhk8815_platform_devices, diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index 6fd8e46567a4..b617eaed0ce5 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -83,6 +83,18 @@ void cpu8815_add_gpios(resource_size_t *base, int num, int irq, } } +static inline void +cpu8815_add_pinctrl(struct device *parent, const char *name) +{ + struct platform_device_info pdevinfo = { + .parent = parent, + .name = name, + .id = -1, + }; + + platform_device_register_full(&pdevinfo); +} + static int __init cpu8815_init(void) { struct nmk_gpio_platform_data pdata = { @@ -91,6 +103,7 @@ static int __init cpu8815_init(void) cpu8815_add_gpios(cpu8815_gpio_base, ARRAY_SIZE(cpu8815_gpio_base), IRQ_GPIO0, &pdata); + cpu8815_add_pinctrl(NULL, "pinctrl-stn8815"); amba_apb_device_add(NULL, "rng", NOMADIK_RNG_BASE, SZ_4K, 0, 0, NULL, 0); amba_apb_device_add(NULL, "rtc-pl031", NOMADIK_RTC_BASE, SZ_4K, IRQ_RTC_RTT, 0, NULL, 0); return 0; diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c index 9a154bad1984..5a406f794798 100644 --- a/arch/arm/mach-pxa/sharpsl_pm.c +++ b/arch/arm/mach-pxa/sharpsl_pm.c @@ -579,8 +579,8 @@ static int sharpsl_ac_check(void) static int sharpsl_pm_suspend(struct platform_device *pdev, pm_message_t state) { sharpsl_pm.flags |= SHARPSL_SUSPENDED; - flush_delayed_work_sync(&toggle_charger); - flush_delayed_work_sync(&sharpsl_bat); + flush_delayed_work(&toggle_charger); + flush_delayed_work(&sharpsl_bat); if (sharpsl_pm.charge_mode == CHRG_ON) sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG; diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index 0df5ae6740c6..fe2c97c179d1 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -3,7 +3,7 @@ # # Common objects -obj-y := timer.o console.o clock.o common.o +obj-y := timer.o console.o clock.o # CPU objects obj-$(CONFIG_ARCH_SH7367) += setup-sh7367.o clock-sh7367.o intc-sh7367.o diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index bc3b5da59e25..790dc68c4312 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -1231,6 +1231,15 @@ static struct i2c_board_info i2c1_devices[] = { #define USCCR1 IOMEM(0xE6058144) static void __init ap4evb_init(void) { + struct pm_domain_device domain_devices[] = { + { "A4LC", &lcdc1_device, }, + { "A4LC", &lcdc_device, }, + { "A4MP", &fsi_device, }, + { "A3SP", &sh_mmcif_device, }, + { "A3SP", &sdhi0_device, }, + { "A3SP", &sdhi1_device, }, + { "A4R", &ceu_device, }, + }; u32 srcr4; struct clk *clk; @@ -1463,14 +1472,8 @@ static void __init ap4evb_init(void) platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices)); - rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc1_device); - rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc_device); - rmobile_add_device_to_domain(&sh7372_pd_a4mp, &fsi_device); - - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sh_mmcif_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi0_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi1_device); - rmobile_add_device_to_domain(&sh7372_pd_a4r, &ceu_device); + rmobile_add_devices_to_domains(domain_devices, + ARRAY_SIZE(domain_devices)); hdmi_init_pm_clock(); fsi_init_pm_clock(); @@ -1485,6 +1488,6 @@ MACHINE_START(AP4EVB, "ap4evb") .init_irq = sh7372_init_irq, .handle_irq = shmobile_handle_irq_intc, .init_machine = ap4evb_init, - .init_late = shmobile_init_late, + .init_late = sh7372_pm_init_late, .timer = &shmobile_timer, MACHINE_END diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index c6593d394273..2912eab3b967 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -1209,10 +1209,10 @@ static void __init eva_init(void) eva_clock_init(); - rmobile_add_device_to_domain(&r8a7740_pd_a4lc, &lcdc0_device); - rmobile_add_device_to_domain(&r8a7740_pd_a4lc, &hdmi_lcdc_device); + rmobile_add_device_to_domain("A4LC", &lcdc0_device); + rmobile_add_device_to_domain("A4LC", &hdmi_lcdc_device); if (usb) - rmobile_add_device_to_domain(&r8a7740_pd_a3sp, usb); + rmobile_add_device_to_domain("A3SP", usb); } static void __init eva_earlytimer_init(void) diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index 773a2b95a4e0..0a43f3189c21 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -482,12 +482,10 @@ static struct gpio_keys_button gpio_buttons[] = { static struct gpio_keys_platform_data gpio_key_info = { .buttons = gpio_buttons, .nbuttons = ARRAY_SIZE(gpio_buttons), - .poll_interval = 250, /* poling at this point */ }; static struct platform_device gpio_keys_device = { - /* gpio-pcf857x.c driver doesn't support gpio_to_irq() */ - .name = "gpio-keys-polled", + .name = "gpio-keys", .dev = { .platform_data = &gpio_key_info, }, @@ -550,6 +548,7 @@ static struct platform_device fsi_ak4648_device = { /* I2C */ static struct pcf857x_platform_data pcf8575_pdata = { .gpio_base = GPIO_PCF8575_BASE, + .irq = intcs_evt2irq(0x3260), /* IRQ19 */ }; static struct i2c_board_info i2c0_devices[] = { diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index 62783b5d8813..0c27c810cf99 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -1412,6 +1412,22 @@ static struct i2c_board_info i2c1_devices[] = { #define USCCR1 IOMEM(0xE6058144) static void __init mackerel_init(void) { + struct pm_domain_device domain_devices[] = { + { "A4LC", &lcdc_device, }, + { "A4LC", &hdmi_lcdc_device, }, + { "A4LC", &meram_device, }, + { "A4MP", &fsi_device, }, + { "A3SP", &usbhs0_device, }, + { "A3SP", &usbhs1_device, }, + { "A3SP", &nand_flash_device, }, + { "A3SP", &sh_mmcif_device, }, + { "A3SP", &sdhi0_device, }, +#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) + { "A3SP", &sdhi1_device, }, +#endif + { "A3SP", &sdhi2_device, }, + { "A4R", &ceu_device, }, + }; u32 srcr4; struct clk *clk; @@ -1626,20 +1642,8 @@ static void __init mackerel_init(void) platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices)); - rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc_device); - rmobile_add_device_to_domain(&sh7372_pd_a4lc, &hdmi_lcdc_device); - rmobile_add_device_to_domain(&sh7372_pd_a4lc, &meram_device); - rmobile_add_device_to_domain(&sh7372_pd_a4mp, &fsi_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usbhs0_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usbhs1_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &nand_flash_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sh_mmcif_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi0_device); -#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi1_device); -#endif - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi2_device); - rmobile_add_device_to_domain(&sh7372_pd_a4r, &ceu_device); + rmobile_add_devices_to_domains(domain_devices, + ARRAY_SIZE(domain_devices)); hdmi_init_pm_clock(); sh7372_pm_init(); @@ -1653,6 +1657,6 @@ MACHINE_START(MACKEREL, "mackerel") .init_irq = sh7372_init_irq, .handle_irq = shmobile_handle_irq_intc, .init_machine = mackerel_init, - .init_late = shmobile_init_late, + .init_late = sh7372_pm_init_late, .timer = &shmobile_timer, MACHINE_END diff --git a/arch/arm/mach-shmobile/common.c b/arch/arm/mach-shmobile/common.c deleted file mode 100644 index 608aba9d60d7..000000000000 --- a/arch/arm/mach-shmobile/common.c +++ /dev/null @@ -1,24 +0,0 @@ -/* - * 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; version 2 of the License. - * - * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <mach/common.h> - -void __init shmobile_init_late(void) -{ - shmobile_suspend_init(); - shmobile_cpuidle_init(); -} diff --git a/arch/arm/mach-shmobile/cpuidle.c b/arch/arm/mach-shmobile/cpuidle.c index 7b541e911ab4..9e050268cde4 100644 --- a/arch/arm/mach-shmobile/cpuidle.c +++ b/arch/arm/mach-shmobile/cpuidle.c @@ -16,51 +16,38 @@ #include <asm/cpuidle.h> #include <asm/io.h> -static void shmobile_enter_wfi(void) +int shmobile_enter_wfi(struct cpuidle_device *dev, struct cpuidle_driver *drv, + int index) { cpu_do_idle(); -} - -void (*shmobile_cpuidle_modes[CPUIDLE_STATE_MAX])(void) = { - shmobile_enter_wfi, /* regular sleep mode */ -}; - -static int shmobile_cpuidle_enter(struct cpuidle_device *dev, - struct cpuidle_driver *drv, - int index) -{ - shmobile_cpuidle_modes[index](); - - return index; + return 0; } static struct cpuidle_device shmobile_cpuidle_dev; -static struct cpuidle_driver shmobile_cpuidle_driver = { +static struct cpuidle_driver shmobile_cpuidle_default_driver = { .name = "shmobile_cpuidle", .owner = THIS_MODULE, .en_core_tk_irqen = 1, .states[0] = ARM_CPUIDLE_WFI_STATE, + .states[0].enter = shmobile_enter_wfi, .safe_state_index = 0, /* C1 */ .state_count = 1, }; -void (*shmobile_cpuidle_setup)(struct cpuidle_driver *drv); +static struct cpuidle_driver *cpuidle_drv = &shmobile_cpuidle_default_driver; + +void shmobile_cpuidle_set_driver(struct cpuidle_driver *drv) +{ + cpuidle_drv = drv; +} int shmobile_cpuidle_init(void) { struct cpuidle_device *dev = &shmobile_cpuidle_dev; - struct cpuidle_driver *drv = &shmobile_cpuidle_driver; - int i; - - for (i = 0; i < CPUIDLE_STATE_MAX; i++) - drv->states[i].enter = shmobile_cpuidle_enter; - - if (shmobile_cpuidle_setup) - shmobile_cpuidle_setup(drv); - cpuidle_register_driver(drv); + cpuidle_register_driver(cpuidle_drv); - dev->state_count = drv->state_count; + dev->state_count = cpuidle_drv->state_count; cpuidle_register_device(dev); return 0; diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index f80f9c549393..ed77ab8c9143 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -13,8 +13,10 @@ extern int shmobile_clk_init(void); extern void shmobile_handle_irq_intc(struct pt_regs *); extern struct platform_suspend_ops shmobile_suspend_ops; struct cpuidle_driver; -extern void (*shmobile_cpuidle_modes[])(void); -extern void (*shmobile_cpuidle_setup)(struct cpuidle_driver *drv); +struct cpuidle_device; +extern int shmobile_enter_wfi(struct cpuidle_device *dev, + struct cpuidle_driver *drv, int index); +extern void shmobile_cpuidle_set_driver(struct cpuidle_driver *drv); extern void sh7367_init_irq(void); extern void sh7367_map_io(void); @@ -75,8 +77,6 @@ extern void r8a7740_meram_workaround(void); extern void r8a7779_register_twd(void); -extern void shmobile_init_late(void); - #ifdef CONFIG_SUSPEND int shmobile_suspend_init(void); #else @@ -100,4 +100,10 @@ static inline int shmobile_cpu_is_dead(unsigned int cpu) { return 1; } extern void shmobile_smp_init_cpus(unsigned int ncores); +static inline void shmobile_init_late(void) +{ + shmobile_suspend_init(); + shmobile_cpuidle_init(); +} + #endif /* __ARCH_MACH_COMMON_H */ diff --git a/arch/arm/mach-shmobile/include/mach/pm-rmobile.h b/arch/arm/mach-shmobile/include/mach/pm-rmobile.h index 5a402840fe28..690553a06887 100644 --- a/arch/arm/mach-shmobile/include/mach/pm-rmobile.h +++ b/arch/arm/mach-shmobile/include/mach/pm-rmobile.h @@ -12,6 +12,8 @@ #include <linux/pm_domain.h> +#define DEFAULT_DEV_LATENCY_NS 250000 + struct platform_device; struct rmobile_pm_domain { @@ -29,16 +31,33 @@ struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d) return container_of(d, struct rmobile_pm_domain, genpd); } +struct pm_domain_device { + const char *domain_name; + struct platform_device *pdev; +}; + #ifdef CONFIG_PM -extern void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd); -extern void rmobile_add_device_to_domain(struct rmobile_pm_domain *rmobile_pd, - struct platform_device *pdev); -extern void rmobile_pm_add_subdomain(struct rmobile_pm_domain *rmobile_pd, - struct rmobile_pm_domain *rmobile_sd); +extern void rmobile_init_domains(struct rmobile_pm_domain domains[], int num); +extern void rmobile_add_device_to_domain_td(const char *domain_name, + struct platform_device *pdev, + struct gpd_timing_data *td); + +static inline void rmobile_add_device_to_domain(const char *domain_name, + struct platform_device *pdev) +{ + rmobile_add_device_to_domain_td(domain_name, pdev, NULL); +} + +extern void rmobile_add_devices_to_domains(struct pm_domain_device data[], + int size); #else -#define rmobile_init_pm_domain(pd) do { } while (0) -#define rmobile_add_device_to_domain(pd, pdev) do { } while (0) -#define rmobile_pm_add_subdomain(pd, sd) do { } while (0) + +#define rmobile_init_domains(domains, num) do { } while (0) +#define rmobile_add_device_to_domain_td(name, pdev, td) do { } while (0) +#define rmobile_add_device_to_domain(name, pdev) do { } while (0) + +static inline void rmobile_add_devices_to_domains(struct pm_domain_device d[], + int size) {} #endif /* CONFIG_PM */ #endif /* PM_RMOBILE_H */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7740.h b/arch/arm/mach-shmobile/include/mach/r8a7740.h index 7143147780df..59d252f4cf97 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7740.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7740.h @@ -607,9 +607,9 @@ enum { }; #ifdef CONFIG_PM -extern struct rmobile_pm_domain r8a7740_pd_a4s; -extern struct rmobile_pm_domain r8a7740_pd_a3sp; -extern struct rmobile_pm_domain r8a7740_pd_a4lc; +extern void __init r8a7740_init_pm_domains(void); +#else +static inline void r8a7740_init_pm_domains(void) {} #endif /* CONFIG_PM */ #endif /* __ASM_R8A7740_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7779.h b/arch/arm/mach-shmobile/include/mach/r8a7779.h index f504c5e81b47..499f52d2a4a1 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7779.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7779.h @@ -347,17 +347,9 @@ extern int r8a7779_sysc_power_down(struct r8a7779_pm_ch *r8a7779_ch); extern int r8a7779_sysc_power_up(struct r8a7779_pm_ch *r8a7779_ch); #ifdef CONFIG_PM -extern struct r8a7779_pm_domain r8a7779_sh4a; -extern struct r8a7779_pm_domain r8a7779_sgx; -extern struct r8a7779_pm_domain r8a7779_vdp1; -extern struct r8a7779_pm_domain r8a7779_impx3; - -extern void r8a7779_init_pm_domain(struct r8a7779_pm_domain *r8a7779_pd); -extern void r8a7779_add_device_to_domain(struct r8a7779_pm_domain *r8a7779_pd, - struct platform_device *pdev); +extern void __init r8a7779_init_pm_domains(void); #else -#define r8a7779_init_pm_domain(pd) do { } while (0) -#define r8a7779_add_device_to_domain(pd, pdev) do { } while (0) +static inline void r8a7779_init_pm_domains(void) {} #endif /* CONFIG_PM */ extern struct smp_operations r8a7779_smp_ops; diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h index b59048e6d8fd..eb98b45c5089 100644 --- a/arch/arm/mach-shmobile/include/mach/sh7372.h +++ b/arch/arm/mach-shmobile/include/mach/sh7372.h @@ -478,21 +478,17 @@ extern struct clk sh7372_fsibck_clk; extern struct clk sh7372_fsidiva_clk; extern struct clk sh7372_fsidivb_clk; -#ifdef CONFIG_PM -extern struct rmobile_pm_domain sh7372_pd_a4lc; -extern struct rmobile_pm_domain sh7372_pd_a4mp; -extern struct rmobile_pm_domain sh7372_pd_d4; -extern struct rmobile_pm_domain sh7372_pd_a4r; -extern struct rmobile_pm_domain sh7372_pd_a3rv; -extern struct rmobile_pm_domain sh7372_pd_a3ri; -extern struct rmobile_pm_domain sh7372_pd_a4s; -extern struct rmobile_pm_domain sh7372_pd_a3sp; -extern struct rmobile_pm_domain sh7372_pd_a3sg; -#endif /* CONFIG_PM */ - extern void sh7372_intcs_suspend(void); extern void sh7372_intcs_resume(void); extern void sh7372_intca_suspend(void); extern void sh7372_intca_resume(void); +#ifdef CONFIG_PM +extern void __init sh7372_init_pm_domains(void); +#else +static inline void sh7372_init_pm_domains(void) {} +#endif + +extern void __init sh7372_pm_init_late(void); + #endif /* __ASM_SH7372_H__ */ diff --git a/arch/arm/mach-shmobile/pm-r8a7740.c b/arch/arm/mach-shmobile/pm-r8a7740.c index 893504d012a6..21e5316d2d88 100644 --- a/arch/arm/mach-shmobile/pm-r8a7740.c +++ b/arch/arm/mach-shmobile/pm-r8a7740.c @@ -21,14 +21,6 @@ static int r8a7740_pd_a4s_suspend(void) return -EBUSY; } -struct rmobile_pm_domain r8a7740_pd_a4s = { - .genpd.name = "A4S", - .bit_shift = 10, - .gov = &pm_domain_always_on_gov, - .no_debug = true, - .suspend = r8a7740_pd_a4s_suspend, -}; - static int r8a7740_pd_a3sp_suspend(void) { /* @@ -38,17 +30,31 @@ static int r8a7740_pd_a3sp_suspend(void) return console_suspend_enabled ? 0 : -EBUSY; } -struct rmobile_pm_domain r8a7740_pd_a3sp = { - .genpd.name = "A3SP", - .bit_shift = 11, - .gov = &pm_domain_always_on_gov, - .no_debug = true, - .suspend = r8a7740_pd_a3sp_suspend, +static struct rmobile_pm_domain r8a7740_pm_domains[] = { + { + .genpd.name = "A4S", + .bit_shift = 10, + .gov = &pm_domain_always_on_gov, + .no_debug = true, + .suspend = r8a7740_pd_a4s_suspend, + }, + { + .genpd.name = "A3SP", + .bit_shift = 11, + .gov = &pm_domain_always_on_gov, + .no_debug = true, + .suspend = r8a7740_pd_a3sp_suspend, + }, + { + .genpd.name = "A4LC", + .bit_shift = 1, + }, }; -struct rmobile_pm_domain r8a7740_pd_a4lc = { - .genpd.name = "A4LC", - .bit_shift = 1, -}; +void __init r8a7740_init_pm_domains(void) +{ + rmobile_init_domains(r8a7740_pm_domains, ARRAY_SIZE(r8a7740_pm_domains)); + pm_genpd_add_subdomain_names("A4S", "A3SP"); +} #endif /* CONFIG_PM */ diff --git a/arch/arm/mach-shmobile/pm-r8a7779.c b/arch/arm/mach-shmobile/pm-r8a7779.c index a18a4ae16d2b..d50a8e9b94a4 100644 --- a/arch/arm/mach-shmobile/pm-r8a7779.c +++ b/arch/arm/mach-shmobile/pm-r8a7779.c @@ -183,7 +183,7 @@ static bool pd_active_wakeup(struct device *dev) return true; } -void r8a7779_init_pm_domain(struct r8a7779_pm_domain *r8a7779_pd) +static void r8a7779_init_pm_domain(struct r8a7779_pm_domain *r8a7779_pd) { struct generic_pm_domain *genpd = &r8a7779_pd->genpd; @@ -199,43 +199,44 @@ void r8a7779_init_pm_domain(struct r8a7779_pm_domain *r8a7779_pd) pd_power_up(&r8a7779_pd->genpd); } -void r8a7779_add_device_to_domain(struct r8a7779_pm_domain *r8a7779_pd, - struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - - pm_genpd_add_device(&r8a7779_pd->genpd, dev); - if (pm_clk_no_clocks(dev)) - pm_clk_add(dev, NULL); -} - -struct r8a7779_pm_domain r8a7779_sh4a = { - .ch = { - .chan_offs = 0x80, /* PWRSR1 .. PWRER1 */ - .isr_bit = 16, /* SH4A */ - } -}; - -struct r8a7779_pm_domain r8a7779_sgx = { - .ch = { - .chan_offs = 0xc0, /* PWRSR2 .. PWRER2 */ - .isr_bit = 20, /* SGX */ - } +static struct r8a7779_pm_domain r8a7779_pm_domains[] = { + { + .genpd.name = "SH4A", + .ch = { + .chan_offs = 0x80, /* PWRSR1 .. PWRER1 */ + .isr_bit = 16, /* SH4A */ + }, + }, + { + .genpd.name = "SGX", + .ch = { + .chan_offs = 0xc0, /* PWRSR2 .. PWRER2 */ + .isr_bit = 20, /* SGX */ + }, + }, + { + .genpd.name = "VDP1", + .ch = { + .chan_offs = 0x100, /* PWRSR3 .. PWRER3 */ + .isr_bit = 21, /* VDP */ + }, + }, + { + .genpd.name = "IMPX3", + .ch = { + .chan_offs = 0x140, /* PWRSR4 .. PWRER4 */ + .isr_bit = 24, /* IMP */ + }, + }, }; -struct r8a7779_pm_domain r8a7779_vdp1 = { - .ch = { - .chan_offs = 0x100, /* PWRSR3 .. PWRER3 */ - .isr_bit = 21, /* VDP */ - } -}; +void __init r8a7779_init_pm_domains(void) +{ + int j; -struct r8a7779_pm_domain r8a7779_impx3 = { - .ch = { - .chan_offs = 0x140, /* PWRSR4 .. PWRER4 */ - .isr_bit = 24, /* IMP */ - } -}; + for (j = 0; j < ARRAY_SIZE(r8a7779_pm_domains); j++) + r8a7779_init_pm_domain(&r8a7779_pm_domains[j]); +} #endif /* CONFIG_PM */ diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c index 32e177275e47..1fc05d9453d0 100644 --- a/arch/arm/mach-shmobile/pm-rmobile.c +++ b/arch/arm/mach-shmobile/pm-rmobile.c @@ -134,7 +134,7 @@ static int rmobile_pd_start_dev(struct device *dev) return ret; } -void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd) +static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd) { struct generic_pm_domain *genpd = &rmobile_pd->genpd; struct dev_power_governor *gov = rmobile_pd->gov; @@ -149,19 +149,38 @@ void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd) __rmobile_pd_power_up(rmobile_pd, false); } -void rmobile_add_device_to_domain(struct rmobile_pm_domain *rmobile_pd, - struct platform_device *pdev) +void rmobile_init_domains(struct rmobile_pm_domain domains[], int num) +{ + int j; + + for (j = 0; j < num; j++) + rmobile_init_pm_domain(&domains[j]); +} + +void rmobile_add_device_to_domain_td(const char *domain_name, + struct platform_device *pdev, + struct gpd_timing_data *td) { struct device *dev = &pdev->dev; - pm_genpd_add_device(&rmobile_pd->genpd, dev); + __pm_genpd_name_add_device(domain_name, dev, td); if (pm_clk_no_clocks(dev)) pm_clk_add(dev, NULL); } -void rmobile_pm_add_subdomain(struct rmobile_pm_domain *rmobile_pd, - struct rmobile_pm_domain *rmobile_sd) +void rmobile_add_devices_to_domains(struct pm_domain_device data[], + int size) { - pm_genpd_add_subdomain(&rmobile_pd->genpd, &rmobile_sd->genpd); + struct gpd_timing_data latencies = { + .stop_latency_ns = DEFAULT_DEV_LATENCY_NS, + .start_latency_ns = DEFAULT_DEV_LATENCY_NS, + .save_state_latency_ns = DEFAULT_DEV_LATENCY_NS, + .restore_state_latency_ns = DEFAULT_DEV_LATENCY_NS, + }; + int j; + + for (j = 0; j < size; j++) + rmobile_add_device_to_domain_td(data[j].domain_name, + data[j].pdev, &latencies); } #endif /* CONFIG_PM */ diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c index 162121842a2b..a0826a48dd08 100644 --- a/arch/arm/mach-shmobile/pm-sh7372.c +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -21,6 +21,7 @@ #include <linux/irq.h> #include <linux/bitrev.h> #include <linux/console.h> +#include <asm/cpuidle.h> #include <asm/io.h> #include <asm/tlbflush.h> #include <asm/suspend.h> @@ -72,20 +73,7 @@ #ifdef CONFIG_PM -struct rmobile_pm_domain sh7372_pd_a4lc = { - .genpd.name = "A4LC", - .bit_shift = 1, -}; - -struct rmobile_pm_domain sh7372_pd_a4mp = { - .genpd.name = "A4MP", - .bit_shift = 2, -}; - -struct rmobile_pm_domain sh7372_pd_d4 = { - .genpd.name = "D4", - .bit_shift = 3, -}; +#define PM_DOMAIN_ON_OFF_LATENCY_NS 250000 static int sh7372_a4r_pd_suspend(void) { @@ -94,39 +82,25 @@ static int sh7372_a4r_pd_suspend(void) return 0; } -struct rmobile_pm_domain sh7372_pd_a4r = { - .genpd.name = "A4R", - .bit_shift = 5, - .suspend = sh7372_a4r_pd_suspend, - .resume = sh7372_intcs_resume, -}; +static bool a4s_suspend_ready; -struct rmobile_pm_domain sh7372_pd_a3rv = { - .genpd.name = "A3RV", - .bit_shift = 6, -}; - -struct rmobile_pm_domain sh7372_pd_a3ri = { - .genpd.name = "A3RI", - .bit_shift = 8, -}; - -static int sh7372_pd_a4s_suspend(void) +static int sh7372_a4s_pd_suspend(void) { /* * The A4S domain contains the CPU core and therefore it should - * only be turned off if the CPU is in use. + * only be turned off if the CPU is not in use. This may happen + * during system suspend, when SYSC is going to be used for generating + * resume signals and a4s_suspend_ready is set to let + * sh7372_enter_suspend() know that it can turn A4S off. */ + a4s_suspend_ready = true; return -EBUSY; } -struct rmobile_pm_domain sh7372_pd_a4s = { - .genpd.name = "A4S", - .bit_shift = 10, - .gov = &pm_domain_always_on_gov, - .no_debug = true, - .suspend = sh7372_pd_a4s_suspend, -}; +static void sh7372_a4s_pd_resume(void) +{ + a4s_suspend_ready = false; +} static int sh7372_a3sp_pd_suspend(void) { @@ -137,18 +111,80 @@ static int sh7372_a3sp_pd_suspend(void) return console_suspend_enabled ? 0 : -EBUSY; } -struct rmobile_pm_domain sh7372_pd_a3sp = { - .genpd.name = "A3SP", - .bit_shift = 11, - .gov = &pm_domain_always_on_gov, - .no_debug = true, - .suspend = sh7372_a3sp_pd_suspend, +static struct rmobile_pm_domain sh7372_pm_domains[] = { + { + .genpd.name = "A4LC", + .genpd.power_on_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .genpd.power_off_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .bit_shift = 1, + }, + { + .genpd.name = "A4MP", + .genpd.power_on_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .genpd.power_off_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .bit_shift = 2, + }, + { + .genpd.name = "D4", + .genpd.power_on_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .genpd.power_off_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .bit_shift = 3, + }, + { + .genpd.name = "A4R", + .genpd.power_on_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .genpd.power_off_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .bit_shift = 5, + .suspend = sh7372_a4r_pd_suspend, + .resume = sh7372_intcs_resume, + }, + { + .genpd.name = "A3RV", + .genpd.power_on_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .genpd.power_off_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .bit_shift = 6, + }, + { + .genpd.name = "A3RI", + .genpd.power_on_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .genpd.power_off_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .bit_shift = 8, + }, + { + .genpd.name = "A4S", + .genpd.power_on_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .genpd.power_off_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .bit_shift = 10, + .gov = &pm_domain_always_on_gov, + .no_debug = true, + .suspend = sh7372_a4s_pd_suspend, + .resume = sh7372_a4s_pd_resume, + }, + { + .genpd.name = "A3SP", + .genpd.power_on_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .genpd.power_off_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .bit_shift = 11, + .gov = &pm_domain_always_on_gov, + .no_debug = true, + .suspend = sh7372_a3sp_pd_suspend, + }, + { + .genpd.name = "A3SG", + .genpd.power_on_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .genpd.power_off_latency_ns = PM_DOMAIN_ON_OFF_LATENCY_NS, + .bit_shift = 13, + }, }; -struct rmobile_pm_domain sh7372_pd_a3sg = { - .genpd.name = "A3SG", - .bit_shift = 13, -}; +void __init sh7372_init_pm_domains(void) +{ + rmobile_init_domains(sh7372_pm_domains, ARRAY_SIZE(sh7372_pm_domains)); + pm_genpd_add_subdomain_names("A4LC", "A3RV"); + pm_genpd_add_subdomain_names("A4R", "A4LC"); + pm_genpd_add_subdomain_names("A4S", "A3SG"); + pm_genpd_add_subdomain_names("A4S", "A3SP"); +} #endif /* CONFIG_PM */ @@ -304,6 +340,21 @@ static void sh7372_enter_a3sm_common(int pllc0_on) sh7372_set_reset_vector(__pa(sh7372_resume_core_standby_sysc)); sh7372_enter_sysc(pllc0_on, 1 << 12); } + +static void sh7372_enter_a4s_common(int pllc0_on) +{ + sh7372_intca_suspend(); + sh7372_set_reset_vector(SMFRAM); + sh7372_enter_sysc(pllc0_on, 1 << 10); + sh7372_intca_resume(); +} + +static void sh7372_pm_setup_smfram(void) +{ + memcpy((void *)SMFRAM, sh7372_resume_core_standby_sysc, 0x100); +} +#else +static inline void sh7372_pm_setup_smfram(void) {} #endif /* CONFIG_SUSPEND || CONFIG_CPU_IDLE */ #ifdef CONFIG_CPU_IDLE @@ -313,7 +364,8 @@ static int sh7372_do_idle_core_standby(unsigned long unused) return 0; } -static void sh7372_enter_core_standby(void) +static int sh7372_enter_core_standby(struct cpuidle_device *dev, + struct cpuidle_driver *drv, int index) { sh7372_set_reset_vector(__pa(sh7372_resume_core_standby_sysc)); @@ -324,83 +376,102 @@ static void sh7372_enter_core_standby(void) /* disable reset vector translation */ __raw_writel(0, SBAR); + + return 1; } -static void sh7372_enter_a3sm_pll_on(void) +static int sh7372_enter_a3sm_pll_on(struct cpuidle_device *dev, + struct cpuidle_driver *drv, int index) { sh7372_enter_a3sm_common(1); + return 2; } -static void sh7372_enter_a3sm_pll_off(void) +static int sh7372_enter_a3sm_pll_off(struct cpuidle_device *dev, + struct cpuidle_driver *drv, int index) { sh7372_enter_a3sm_common(0); + return 3; } -static void sh7372_cpuidle_setup(struct cpuidle_driver *drv) +static int sh7372_enter_a4s(struct cpuidle_device *dev, + struct cpuidle_driver *drv, int index) { - struct cpuidle_state *state = &drv->states[drv->state_count]; - - snprintf(state->name, CPUIDLE_NAME_LEN, "C2"); - strncpy(state->desc, "Core Standby Mode", CPUIDLE_DESC_LEN); - state->exit_latency = 10; - state->target_residency = 20 + 10; - state->flags = CPUIDLE_FLAG_TIME_VALID; - shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_core_standby; - drv->state_count++; - - state = &drv->states[drv->state_count]; - snprintf(state->name, CPUIDLE_NAME_LEN, "C3"); - strncpy(state->desc, "A3SM PLL ON", CPUIDLE_DESC_LEN); - state->exit_latency = 20; - state->target_residency = 30 + 20; - state->flags = CPUIDLE_FLAG_TIME_VALID; - shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_a3sm_pll_on; - drv->state_count++; - - state = &drv->states[drv->state_count]; - snprintf(state->name, CPUIDLE_NAME_LEN, "C4"); - strncpy(state->desc, "A3SM PLL OFF", CPUIDLE_DESC_LEN); - state->exit_latency = 120; - state->target_residency = 30 + 120; - state->flags = CPUIDLE_FLAG_TIME_VALID; - shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_a3sm_pll_off; - drv->state_count++; + unsigned long msk, msk2; + + if (!sh7372_sysc_valid(&msk, &msk2)) + return sh7372_enter_a3sm_pll_off(dev, drv, index); + + sh7372_setup_sysc(msk, msk2); + sh7372_enter_a4s_common(0); + return 4; } +static struct cpuidle_driver sh7372_cpuidle_driver = { + .name = "sh7372_cpuidle", + .owner = THIS_MODULE, + .en_core_tk_irqen = 1, + .state_count = 5, + .safe_state_index = 0, /* C1 */ + .states[0] = ARM_CPUIDLE_WFI_STATE, + .states[0].enter = shmobile_enter_wfi, + .states[1] = { + .name = "C2", + .desc = "Core Standby Mode", + .exit_latency = 10, + .target_residency = 20 + 10, + .flags = CPUIDLE_FLAG_TIME_VALID, + .enter = sh7372_enter_core_standby, + }, + .states[2] = { + .name = "C3", + .desc = "A3SM PLL ON", + .exit_latency = 20, + .target_residency = 30 + 20, + .flags = CPUIDLE_FLAG_TIME_VALID, + .enter = sh7372_enter_a3sm_pll_on, + }, + .states[3] = { + .name = "C4", + .desc = "A3SM PLL OFF", + .exit_latency = 120, + .target_residency = 30 + 120, + .flags = CPUIDLE_FLAG_TIME_VALID, + .enter = sh7372_enter_a3sm_pll_off, + }, + .states[4] = { + .name = "C5", + .desc = "A4S PLL OFF", + .exit_latency = 240, + .target_residency = 30 + 240, + .flags = CPUIDLE_FLAG_TIME_VALID, + .enter = sh7372_enter_a4s, + .disabled = true, + }, +}; + static void sh7372_cpuidle_init(void) { - shmobile_cpuidle_setup = sh7372_cpuidle_setup; + shmobile_cpuidle_set_driver(&sh7372_cpuidle_driver); } #else static void sh7372_cpuidle_init(void) {} #endif #ifdef CONFIG_SUSPEND -static void sh7372_enter_a4s_common(int pllc0_on) -{ - sh7372_intca_suspend(); - memcpy((void *)SMFRAM, sh7372_resume_core_standby_sysc, 0x100); - sh7372_set_reset_vector(SMFRAM); - sh7372_enter_sysc(pllc0_on, 1 << 10); - sh7372_intca_resume(); -} - static int sh7372_enter_suspend(suspend_state_t suspend_state) { unsigned long msk, msk2; /* check active clocks to determine potential wakeup sources */ - if (sh7372_sysc_valid(&msk, &msk2)) { - if (!console_suspend_enabled && - sh7372_pd_a4s.genpd.status == GPD_STATE_POWER_OFF) { - /* convert INTC mask/sense to SYSC mask/sense */ - sh7372_setup_sysc(msk, msk2); - - /* enter A4S sleep with PLLC0 off */ - pr_debug("entering A4S\n"); - sh7372_enter_a4s_common(0); - return 0; - } + if (sh7372_sysc_valid(&msk, &msk2) && a4s_suspend_ready) { + /* convert INTC mask/sense to SYSC mask/sense */ + sh7372_setup_sysc(msk, msk2); + + /* enter A4S sleep with PLLC0 off */ + pr_debug("entering A4S\n"); + sh7372_enter_a4s_common(0); + return 0; } /* default to enter A3SM sleep with PLLC0 off */ @@ -426,7 +497,7 @@ static int sh7372_pm_notifier_fn(struct notifier_block *notifier, * executed during system suspend and resume, respectively, so * that those functions don't crash while accessing the INTCS. */ - pm_genpd_poweron(&sh7372_pd_a4r.genpd); + pm_genpd_name_poweron("A4R"); break; case PM_POST_SUSPEND: pm_genpd_poweroff_unused(); @@ -455,6 +526,14 @@ void __init sh7372_pm_init(void) /* do not convert A3SM, A3SP, A3SG, A4R power down into A4S */ __raw_writel(0, PDNSEL); + sh7372_pm_setup_smfram(); + sh7372_suspend_init(); sh7372_cpuidle_init(); } + +void __init sh7372_pm_init_late(void) +{ + shmobile_init_late(); + pm_genpd_name_attach_cpuidle("A4S", 4); +} diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c index 78948a9dba0e..11bb1d984197 100644 --- a/arch/arm/mach-shmobile/setup-r8a7740.c +++ b/arch/arm/mach-shmobile/setup-r8a7740.c @@ -673,12 +673,7 @@ void __init r8a7740_add_standard_devices(void) r8a7740_i2c_workaround(&i2c0_device); r8a7740_i2c_workaround(&i2c1_device); - /* PM domain */ - rmobile_init_pm_domain(&r8a7740_pd_a4s); - rmobile_init_pm_domain(&r8a7740_pd_a3sp); - rmobile_init_pm_domain(&r8a7740_pd_a4lc); - - rmobile_pm_add_subdomain(&r8a7740_pd_a4s, &r8a7740_pd_a3sp); + r8a7740_init_pm_domains(); /* add devices */ platform_add_devices(r8a7740_early_devices, @@ -688,16 +683,16 @@ void __init r8a7740_add_standard_devices(void) /* add devices to PM domain */ - rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif0_device); - rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif1_device); - rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif2_device); - rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif3_device); - rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif4_device); - rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif5_device); - rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif6_device); - rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif7_device); - rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scifb_device); - rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &i2c1_device); + rmobile_add_device_to_domain("A3SP", &scif0_device); + rmobile_add_device_to_domain("A3SP", &scif1_device); + rmobile_add_device_to_domain("A3SP", &scif2_device); + rmobile_add_device_to_domain("A3SP", &scif3_device); + rmobile_add_device_to_domain("A3SP", &scif4_device); + rmobile_add_device_to_domain("A3SP", &scif5_device); + rmobile_add_device_to_domain("A3SP", &scif6_device); + rmobile_add_device_to_domain("A3SP", &scif7_device); + rmobile_add_device_to_domain("A3SP", &scifb_device); + rmobile_add_device_to_domain("A3SP", &i2c1_device); } static void __init r8a7740_earlytimer_init(void) diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c index e98e46f6cf55..2917668f0091 100644 --- a/arch/arm/mach-shmobile/setup-r8a7779.c +++ b/arch/arm/mach-shmobile/setup-r8a7779.c @@ -251,10 +251,7 @@ void __init r8a7779_add_standard_devices(void) #endif r8a7779_pm_init(); - r8a7779_init_pm_domain(&r8a7779_sh4a); - r8a7779_init_pm_domain(&r8a7779_sgx); - r8a7779_init_pm_domain(&r8a7779_vdp1); - r8a7779_init_pm_domain(&r8a7779_impx3); + r8a7779_init_pm_domains(); platform_add_devices(r8a7779_early_devices, ARRAY_SIZE(r8a7779_early_devices)); diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c index 838a87be1d5c..a07954fbcd22 100644 --- a/arch/arm/mach-shmobile/setup-sh7372.c +++ b/arch/arm/mach-shmobile/setup-sh7372.c @@ -1001,21 +1001,34 @@ static struct platform_device *sh7372_late_devices[] __initdata = { void __init sh7372_add_standard_devices(void) { - rmobile_init_pm_domain(&sh7372_pd_a4lc); - rmobile_init_pm_domain(&sh7372_pd_a4mp); - rmobile_init_pm_domain(&sh7372_pd_d4); - rmobile_init_pm_domain(&sh7372_pd_a4r); - rmobile_init_pm_domain(&sh7372_pd_a3rv); - rmobile_init_pm_domain(&sh7372_pd_a3ri); - rmobile_init_pm_domain(&sh7372_pd_a4s); - rmobile_init_pm_domain(&sh7372_pd_a3sp); - rmobile_init_pm_domain(&sh7372_pd_a3sg); - - rmobile_pm_add_subdomain(&sh7372_pd_a4lc, &sh7372_pd_a3rv); - rmobile_pm_add_subdomain(&sh7372_pd_a4r, &sh7372_pd_a4lc); - - rmobile_pm_add_subdomain(&sh7372_pd_a4s, &sh7372_pd_a3sg); - rmobile_pm_add_subdomain(&sh7372_pd_a4s, &sh7372_pd_a3sp); + struct pm_domain_device domain_devices[] = { + { "A3RV", &vpu_device, }, + { "A4MP", &spu0_device, }, + { "A4MP", &spu1_device, }, + { "A3SP", &scif0_device, }, + { "A3SP", &scif1_device, }, + { "A3SP", &scif2_device, }, + { "A3SP", &scif3_device, }, + { "A3SP", &scif4_device, }, + { "A3SP", &scif5_device, }, + { "A3SP", &scif6_device, }, + { "A3SP", &iic1_device, }, + { "A3SP", &dma0_device, }, + { "A3SP", &dma1_device, }, + { "A3SP", &dma2_device, }, + { "A3SP", &usb_dma0_device, }, + { "A3SP", &usb_dma1_device, }, + { "A4R", &iic0_device, }, + { "A4R", &veu0_device, }, + { "A4R", &veu1_device, }, + { "A4R", &veu2_device, }, + { "A4R", &veu3_device, }, + { "A4R", &jpu_device, }, + { "A4R", &tmu00_device, }, + { "A4R", &tmu01_device, }, + }; + + sh7372_init_pm_domains(); platform_add_devices(sh7372_early_devices, ARRAY_SIZE(sh7372_early_devices)); @@ -1023,30 +1036,8 @@ void __init sh7372_add_standard_devices(void) platform_add_devices(sh7372_late_devices, ARRAY_SIZE(sh7372_late_devices)); - rmobile_add_device_to_domain(&sh7372_pd_a3rv, &vpu_device); - rmobile_add_device_to_domain(&sh7372_pd_a4mp, &spu0_device); - rmobile_add_device_to_domain(&sh7372_pd_a4mp, &spu1_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif0_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif1_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif2_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif3_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif4_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif5_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif6_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &iic1_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &dma0_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &dma1_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &dma2_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usb_dma0_device); - rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usb_dma1_device); - rmobile_add_device_to_domain(&sh7372_pd_a4r, &iic0_device); - rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu0_device); - rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu1_device); - rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu2_device); - rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu3_device); - rmobile_add_device_to_domain(&sh7372_pd_a4r, &jpu_device); - rmobile_add_device_to_domain(&sh7372_pd_a4r, &tmu00_device); - rmobile_add_device_to_domain(&sh7372_pd_a4r, &tmu01_device); + rmobile_add_devices_to_domains(domain_devices, + ARRAY_SIZE(domain_devices)); } static void __init sh7372_earlytimer_init(void) diff --git a/arch/arm/mach-tegra/include/mach/kbc.h b/arch/arm/mach-tegra/include/mach/kbc.h deleted file mode 100644 index a13025612939..000000000000 --- a/arch/arm/mach-tegra/include/mach/kbc.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - * Platform definitions for tegra-kbc keyboard input driver - * - * Copyright (c) 2010-2011, NVIDIA Corporation. - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -#ifndef ASMARM_ARCH_TEGRA_KBC_H -#define ASMARM_ARCH_TEGRA_KBC_H - -#include <linux/types.h> -#include <linux/input/matrix_keypad.h> - -#define KBC_MAX_GPIO 24 -#define KBC_MAX_KPENT 8 - -#define KBC_MAX_ROW 16 -#define KBC_MAX_COL 8 -#define KBC_MAX_KEY (KBC_MAX_ROW * KBC_MAX_COL) - -enum tegra_pin_type { - PIN_CFG_IGNORE, - PIN_CFG_COL, - PIN_CFG_ROW, -}; - -struct tegra_kbc_pin_cfg { - enum tegra_pin_type type; - unsigned char num; -}; - -struct tegra_kbc_wake_key { - u8 row:4; - u8 col:4; -}; - -struct tegra_kbc_platform_data { - unsigned int debounce_cnt; - unsigned int repeat_cnt; - - struct tegra_kbc_pin_cfg pin_cfg[KBC_MAX_GPIO]; - const struct matrix_keymap_data *keymap_data; - - u32 wakeup_key; - bool wakeup; - bool use_fn_map; - bool use_ghost_filter; -}; -#endif diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c index ef6f602b7e48..b8efac4daed8 100644 --- a/arch/arm/mach-u300/core.c +++ b/arch/arm/mach-u300/core.c @@ -1557,9 +1557,6 @@ static struct u300_mux_hog u300_mux_hogs[] = { .dev = &uart0_device.dev, }, { - .dev = &pl022_device.dev, - }, - { .dev = &mmcsd_device.dev, }, }; diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c index 32fd99204464..a267c6d30e37 100644 --- a/arch/arm/mach-ux500/board-mop500-pins.c +++ b/arch/arm/mach-ux500/board-mop500-pins.c @@ -30,16 +30,15 @@ static enum custom_pin_cfg_t pinsfor; #define BIAS(a,b) static unsigned long a[] = { b } BIAS(pd, PIN_PULL_DOWN); -BIAS(slpm_gpio_nopull, PIN_SLPM_GPIO|PIN_SLPM_INPUT_NOPULL); BIAS(in_nopull, PIN_INPUT_NOPULL); -BIAS(in_nopull_sleep_nowkup, PIN_INPUT_NOPULL|PIN_SLPM_WAKEUP_DISABLE); +BIAS(in_nopull_slpm_nowkup, PIN_INPUT_NOPULL|PIN_SLPM_WAKEUP_DISABLE); BIAS(in_pu, PIN_INPUT_PULLUP); BIAS(in_pd, PIN_INPUT_PULLDOWN); BIAS(in_pd_slpm_in_pu, PIN_INPUT_PULLDOWN|PIN_SLPM_INPUT_PULLUP); BIAS(in_pu_slpm_out_lo, PIN_INPUT_PULLUP|PIN_SLPM_OUTPUT_LOW); BIAS(out_hi, PIN_OUTPUT_HIGH); BIAS(out_lo, PIN_OUTPUT_LOW); -BIAS(out_lo_sleep_nowkup, PIN_OUTPUT_LOW|PIN_SLPM_WAKEUP_DISABLE); +BIAS(out_lo_slpm_nowkup, PIN_OUTPUT_LOW|PIN_SLPM_WAKEUP_DISABLE); /* These also force them into GPIO mode */ BIAS(gpio_in_pu, PIN_INPUT_PULLUP|PIN_GPIOMODE_ENABLED); BIAS(gpio_in_pd, PIN_INPUT_PULLDOWN|PIN_GPIOMODE_ENABLED); @@ -48,23 +47,32 @@ BIAS(gpio_in_pd_slpm_gpio_nopull, PIN_INPUT_PULLDOWN|PIN_GPIOMODE_ENABLED|PIN_SL BIAS(gpio_out_hi, PIN_OUTPUT_HIGH|PIN_GPIOMODE_ENABLED); BIAS(gpio_out_lo, PIN_OUTPUT_LOW|PIN_GPIOMODE_ENABLED); /* Sleep modes */ -BIAS(sleep_in_wkup_pdis, PIN_SLPM_DIR_INPUT|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); -BIAS(sleep_in_nopull_wkup, PIN_INPUT_NOPULL|PIN_SLPM_WAKEUP_ENABLE); -BIAS(sleep_out_hi_wkup_pdis, PIN_SLPM_OUTPUT_HIGH|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); -BIAS(sleep_out_lo_wkup, PIN_OUTPUT_LOW|PIN_SLPM_WAKEUP_ENABLE); -BIAS(sleep_out_wkup_pdis, PIN_SLPM_DIR_OUTPUT|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_in_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_DIR_INPUT|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_in_nopull_wkup, PIN_SLEEPMODE_ENABLED|PIN_SLPM_DIR_INPUT|PIN_SLPM_PULL_NONE|PIN_SLPM_WAKEUP_ENABLE); +BIAS(slpm_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_out_hi_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_OUTPUT_HIGH|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_out_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_out_lo_wkup, PIN_SLEEPMODE_ENABLED|PIN_SLPM_OUTPUT_LOW|PIN_SLPM_WAKEUP_ENABLE); +BIAS(slpm_out_lo_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_OUTPUT_LOW|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_in_nopull_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_INPUT_NOPULL|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); /* We use these to define hog settings that are always done on boot */ #define DB8500_MUX_HOG(group,func) \ PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-db8500", group, func) #define DB8500_PIN_HOG(pin,conf) \ PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-db8500", pin, conf) +#define DB8500_PIN_SLEEP(pin, conf, dev) \ + PIN_MAP_CONFIGS_PIN(dev, PINCTRL_STATE_SLEEP, "pinctrl-db8500", \ + pin, conf) /* These are default states associated with device and changed runtime */ #define DB8500_MUX(group,func,dev) \ PIN_MAP_MUX_GROUP_DEFAULT(dev, "pinctrl-db8500", group, func) #define DB8500_PIN(pin,conf,dev) \ PIN_MAP_CONFIGS_PIN_DEFAULT(dev, "pinctrl-db8500", pin, conf) +#define DB8500_PIN_SLEEP(pin, conf, dev) \ + PIN_MAP_CONFIGS_PIN(dev, PINCTRL_STATE_SLEEP, "pinctrl-db8500", \ + pin, conf) #define DB8500_PIN_SLEEP(pin,conf,dev) \ PIN_MAP_CONFIGS_PIN(dev, PINCTRL_STATE_SLEEP, "pinctrl-db8500", \ @@ -134,40 +142,47 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { DB8500_PIN("GPIO2_AH4", in_pu, "uart0"), /* RXD */ DB8500_PIN("GPIO3_AH3", out_hi, "uart0"), /* TXD */ /* UART0 sleep state */ - DB8500_PIN_SLEEP("GPIO0_AJ5", sleep_in_wkup_pdis, "uart0"), - DB8500_PIN_SLEEP("GPIO1_AJ3", sleep_out_hi_wkup_pdis, "uart0"), - DB8500_PIN_SLEEP("GPIO2_AH4", sleep_in_wkup_pdis, "uart0"), - DB8500_PIN_SLEEP("GPIO3_AH3", sleep_out_wkup_pdis, "uart0"), + DB8500_PIN_SLEEP("GPIO0_AJ5", slpm_in_wkup_pdis, "uart0"), + DB8500_PIN_SLEEP("GPIO1_AJ3", slpm_out_hi_wkup_pdis, "uart0"), + DB8500_PIN_SLEEP("GPIO2_AH4", slpm_in_wkup_pdis, "uart0"), + DB8500_PIN_SLEEP("GPIO3_AH3", slpm_out_wkup_pdis, "uart0"), /* MSP1 for ALSA codec */ DB8500_MUX("msp1txrx_a_1", "msp1", "ux500-msp-i2s.1"), DB8500_MUX("msp1_a_1", "msp1", "ux500-msp-i2s.1"), - DB8500_PIN("GPIO33_AF2", out_lo_sleep_nowkup, "ux500-msp-i2s.1"), - DB8500_PIN("GPIO34_AE1", in_nopull_sleep_nowkup, "ux500-msp-i2s.1"), - DB8500_PIN("GPIO35_AE2", in_nopull_sleep_nowkup, "ux500-msp-i2s.1"), - DB8500_PIN("GPIO36_AG2", in_nopull_sleep_nowkup, "ux500-msp-i2s.1"), + DB8500_PIN("GPIO33_AF2", out_lo_slpm_nowkup, "ux500-msp-i2s.1"), + DB8500_PIN("GPIO34_AE1", in_nopull_slpm_nowkup, "ux500-msp-i2s.1"), + DB8500_PIN("GPIO35_AE2", in_nopull_slpm_nowkup, "ux500-msp-i2s.1"), + DB8500_PIN("GPIO36_AG2", in_nopull_slpm_nowkup, "ux500-msp-i2s.1"), /* MSP1 sleep state */ - DB8500_PIN_SLEEP("GPIO33_AF2", sleep_out_lo_wkup, "ux500-msp-i2s.1"), - DB8500_PIN_SLEEP("GPIO34_AE1", sleep_in_nopull_wkup, "ux500-msp-i2s.1"), - DB8500_PIN_SLEEP("GPIO35_AE2", sleep_in_nopull_wkup, "ux500-msp-i2s.1"), - DB8500_PIN_SLEEP("GPIO36_AG2", sleep_in_nopull_wkup, "ux500-msp-i2s.1"), + DB8500_PIN_SLEEP("GPIO33_AF2", slpm_out_lo_wkup, "ux500-msp-i2s.1"), + DB8500_PIN_SLEEP("GPIO34_AE1", slpm_in_nopull_wkup, "ux500-msp-i2s.1"), + DB8500_PIN_SLEEP("GPIO35_AE2", slpm_in_nopull_wkup, "ux500-msp-i2s.1"), + DB8500_PIN_SLEEP("GPIO36_AG2", slpm_in_nopull_wkup, "ux500-msp-i2s.1"), /* Mux in LCD data lines 8 thru 11 and LCDA CLK for MCDE TVOUT */ DB8500_MUX("lcd_d8_d11_a_1", "lcd", "mcde-tvout"), DB8500_MUX("lcdaclk_b_1", "lcda", "mcde-tvout"), /* Mux in LCD VSI1 and pull it up for MCDE HDMI output */ DB8500_MUX("lcdvsi1_a_1", "lcd", "av8100-hdmi"), - /* Mux in I2C blocks, put pins into GPIO in sleepmode no pull-up */ + /* Mux in i2c0 block, default state */ DB8500_MUX("i2c0_a_1", "i2c0", "nmk-i2c.0"), - DB8500_PIN("GPIO147_C15", slpm_gpio_nopull, "nmk-i2c.0"), - DB8500_PIN("GPIO148_B16", slpm_gpio_nopull, "nmk-i2c.0"), + /* i2c0 sleep state */ + DB8500_PIN_SLEEP("GPIO147_C15", slpm_in_nopull_wkup_pdis, "nmk-i2c.0"), /* SDA */ + DB8500_PIN_SLEEP("GPIO148_B16", slpm_in_nopull_wkup_pdis, "nmk-i2c.0"), /* SCL */ + /* Mux in i2c1 block, default state */ DB8500_MUX("i2c1_b_2", "i2c1", "nmk-i2c.1"), - DB8500_PIN("GPIO16_AD3", slpm_gpio_nopull, "nmk-i2c.1"), - DB8500_PIN("GPIO17_AD4", slpm_gpio_nopull, "nmk-i2c.1"), + /* i2c1 sleep state */ + DB8500_PIN_SLEEP("GPIO16_AD3", slpm_in_nopull_wkup_pdis, "nmk-i2c.1"), /* SDA */ + DB8500_PIN_SLEEP("GPIO17_AD4", slpm_in_nopull_wkup_pdis, "nmk-i2c.1"), /* SCL */ + /* Mux in i2c2 block, default state */ DB8500_MUX("i2c2_b_2", "i2c2", "nmk-i2c.2"), - DB8500_PIN("GPIO10_AF5", slpm_gpio_nopull, "nmk-i2c.2"), - DB8500_PIN("GPIO11_AG4", slpm_gpio_nopull, "nmk-i2c.2"), + /* i2c2 sleep state */ + DB8500_PIN_SLEEP("GPIO10_AF5", slpm_in_nopull_wkup_pdis, "nmk-i2c.2"), /* SDA */ + DB8500_PIN_SLEEP("GPIO11_AG4", slpm_in_nopull_wkup_pdis, "nmk-i2c.2"), /* SCL */ + /* Mux in i2c3 block, default state */ DB8500_MUX("i2c3_c_2", "i2c3", "nmk-i2c.3"), - DB8500_PIN("GPIO229_AG7", slpm_gpio_nopull, "nmk-i2c.3"), - DB8500_PIN("GPIO230_AF7", slpm_gpio_nopull, "nmk-i2c.3"), + /* i2c3 sleep state */ + DB8500_PIN_SLEEP("GPIO229_AG7", slpm_in_nopull_wkup_pdis, "nmk-i2c.3"), /* SDA */ + DB8500_PIN_SLEEP("GPIO230_AF7", slpm_in_nopull_wkup_pdis, "nmk-i2c.3"), /* SCL */ /* Mux in SDI0 (here called MC0) used for removable MMC/SD/SDIO cards */ DB8500_MUX("mc0_a_1", "mc0", "sdi0"), DB8500_PIN("GPIO18_AC2", out_hi, "sdi0"), /* CMDDIR */ @@ -219,11 +234,15 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { DB8500_MUX("usb_a_1", "usb", "musb-ux500.0"), DB8500_PIN("GPIO257_AE29", out_hi, "musb-ux500.0"), /* STP */ /* Mux in SPI2 pins on the "other C1" altfunction */ - DB8500_MUX("spi2_oc1_1", "spi2", "spi2"), + DB8500_MUX("spi2_oc1_2", "spi2", "spi2"), DB8500_PIN("GPIO216_AG12", gpio_out_hi, "spi2"), /* FRM */ DB8500_PIN("GPIO218_AH11", in_pd, "spi2"), /* RXD */ DB8500_PIN("GPIO215_AH13", out_lo, "spi2"), /* TXD */ DB8500_PIN("GPIO217_AH12", out_lo, "spi2"), /* CLK */ + /* SPI2 sleep state */ + DB8500_PIN_SLEEP("GPIO218_AH11", slpm_in_wkup_pdis, "spi2"), /* RXD */ + DB8500_PIN_SLEEP("GPIO215_AH13", slpm_out_lo_wkup_pdis, "spi2"), /* TXD */ + DB8500_PIN_SLEEP("GPIO217_AH12", slpm_wkup_pdis, "spi2"), /* CLK */ }; /* @@ -410,7 +429,7 @@ static struct pinctrl_map __initdata u9500_pinmap[] = { DB8500_PIN_HOG("GPIO144_B13", gpio_in_pu), /* HSI */ DB8500_MUX_HOG("hsir_a_1", "hsi"), - DB8500_MUX_HOG("hsit_a_1", "hsi"), + DB8500_MUX_HOG("hsit_a_2", "hsi"), DB8500_PIN_HOG("GPIO219_AG10", in_pd), /* RX FLA0 */ DB8500_PIN_HOG("GPIO220_AH10", in_pd), /* RX DAT0 */ DB8500_PIN_HOG("GPIO221_AJ11", out_lo), /* RX RDY0 */ @@ -418,7 +437,7 @@ static struct pinctrl_map __initdata u9500_pinmap[] = { DB8500_PIN_HOG("GPIO223_AH9", out_lo), /* TX DAT0 */ DB8500_PIN_HOG("GPIO224_AG9", in_pd), /* TX RDY0 */ DB8500_PIN_HOG("GPIO225_AG8", in_pd), /* CAWAKE0 */ - DB8500_PIN_HOG("GPIO226_AF8", out_hi), /* ACWAKE0 */ + DB8500_PIN_HOG("GPIO226_AF8", gpio_out_hi), /* ACWAKE0 */ }; static struct pinctrl_map __initdata u8500_pinmap[] = { diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 13f555d62491..477a2d23ddf1 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -73,11 +73,18 @@ static dma_addr_t arm_dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, struct dma_attrs *attrs) { - if (!arch_is_coherent() && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) + if (!dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_cpu_to_dev(page, offset, size, dir); return pfn_to_dma(dev, page_to_pfn(page)) + offset; } +static dma_addr_t arm_coherent_dma_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, enum dma_data_direction dir, + struct dma_attrs *attrs) +{ + return pfn_to_dma(dev, page_to_pfn(page)) + offset; +} + /** * arm_dma_unmap_page - unmap a buffer previously mapped through dma_map_page() * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices @@ -96,7 +103,7 @@ static void arm_dma_unmap_page(struct device *dev, dma_addr_t handle, size_t size, enum dma_data_direction dir, struct dma_attrs *attrs) { - if (!arch_is_coherent() && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) + if (!dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_dev_to_cpu(pfn_to_page(dma_to_pfn(dev, handle)), handle & ~PAGE_MASK, size, dir); } @@ -106,8 +113,7 @@ static void arm_dma_sync_single_for_cpu(struct device *dev, { unsigned int offset = handle & (PAGE_SIZE - 1); struct page *page = pfn_to_page(dma_to_pfn(dev, handle-offset)); - if (!arch_is_coherent()) - __dma_page_dev_to_cpu(page, offset, size, dir); + __dma_page_dev_to_cpu(page, offset, size, dir); } static void arm_dma_sync_single_for_device(struct device *dev, @@ -115,8 +121,7 @@ static void arm_dma_sync_single_for_device(struct device *dev, { unsigned int offset = handle & (PAGE_SIZE - 1); struct page *page = pfn_to_page(dma_to_pfn(dev, handle-offset)); - if (!arch_is_coherent()) - __dma_page_cpu_to_dev(page, offset, size, dir); + __dma_page_cpu_to_dev(page, offset, size, dir); } static int arm_dma_set_mask(struct device *dev, u64 dma_mask); @@ -138,6 +143,22 @@ struct dma_map_ops arm_dma_ops = { }; EXPORT_SYMBOL(arm_dma_ops); +static void *arm_coherent_dma_alloc(struct device *dev, size_t size, + dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs); +static void arm_coherent_dma_free(struct device *dev, size_t size, void *cpu_addr, + dma_addr_t handle, struct dma_attrs *attrs); + +struct dma_map_ops arm_coherent_dma_ops = { + .alloc = arm_coherent_dma_alloc, + .free = arm_coherent_dma_free, + .mmap = arm_dma_mmap, + .get_sgtable = arm_dma_get_sgtable, + .map_page = arm_coherent_dma_map_page, + .map_sg = arm_dma_map_sg, + .set_dma_mask = arm_dma_set_mask, +}; +EXPORT_SYMBOL(arm_coherent_dma_ops); + static u64 get_coherent_dma_mask(struct device *dev) { u64 mask = (u64)arm_dma_limit; @@ -586,7 +607,7 @@ static void *__alloc_simple_buffer(struct device *dev, size_t size, gfp_t gfp, static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, - gfp_t gfp, pgprot_t prot, const void *caller) + gfp_t gfp, pgprot_t prot, bool is_coherent, const void *caller) { u64 mask = get_coherent_dma_mask(dev); struct page *page; @@ -619,7 +640,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, *handle = DMA_ERROR_CODE; size = PAGE_ALIGN(size); - if (arch_is_coherent() || nommu()) + if (is_coherent || nommu()) addr = __alloc_simple_buffer(dev, size, gfp, &page); else if (gfp & GFP_ATOMIC) addr = __alloc_from_pool(size, &page); @@ -647,7 +668,20 @@ void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, if (dma_alloc_from_coherent(dev, size, handle, &memory)) return memory; - return __dma_alloc(dev, size, handle, gfp, prot, + return __dma_alloc(dev, size, handle, gfp, prot, false, + __builtin_return_address(0)); +} + +static void *arm_coherent_dma_alloc(struct device *dev, size_t size, + dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs) +{ + pgprot_t prot = __get_dma_pgprot(attrs, pgprot_kernel); + void *memory; + + if (dma_alloc_from_coherent(dev, size, handle, &memory)) + return memory; + + return __dma_alloc(dev, size, handle, gfp, prot, true, __builtin_return_address(0)); } @@ -684,8 +718,9 @@ int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma, /* * Free a buffer as defined by the above mapping. */ -void arm_dma_free(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t handle, struct dma_attrs *attrs) +static void __arm_dma_free(struct device *dev, size_t size, void *cpu_addr, + dma_addr_t handle, struct dma_attrs *attrs, + bool is_coherent) { struct page *page = pfn_to_page(dma_to_pfn(dev, handle)); @@ -694,7 +729,7 @@ void arm_dma_free(struct device *dev, size_t size, void *cpu_addr, size = PAGE_ALIGN(size); - if (arch_is_coherent() || nommu()) { + if (is_coherent || nommu()) { __dma_free_buffer(page, size); } else if (__free_from_pool(cpu_addr, size)) { return; @@ -710,6 +745,18 @@ void arm_dma_free(struct device *dev, size_t size, void *cpu_addr, } } +void arm_dma_free(struct device *dev, size_t size, void *cpu_addr, + dma_addr_t handle, struct dma_attrs *attrs) +{ + __arm_dma_free(dev, size, cpu_addr, handle, attrs, false); +} + +static void arm_coherent_dma_free(struct device *dev, size_t size, void *cpu_addr, + dma_addr_t handle, struct dma_attrs *attrs) +{ + __arm_dma_free(dev, size, cpu_addr, handle, attrs, true); +} + int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t handle, size_t size, struct dma_attrs *attrs) @@ -1012,11 +1059,12 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size, gfp_t if (!pages[i]) goto error; - if (order) + if (order) { split_page(pages[i], order); - j = 1 << order; - while (--j) - pages[i + j] = pages[i] + j; + j = 1 << order; + while (--j) + pages[i + j] = pages[i] + j; + } __dma_clear_buffer(pages[i], PAGE_SIZE << order); i += 1 << order; @@ -1303,7 +1351,8 @@ static int arm_iommu_get_sgtable(struct device *dev, struct sg_table *sgt, */ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg, size_t size, dma_addr_t *handle, - enum dma_data_direction dir, struct dma_attrs *attrs) + enum dma_data_direction dir, struct dma_attrs *attrs, + bool is_coherent) { struct dma_iommu_mapping *mapping = dev->archdata.mapping; dma_addr_t iova, iova_base; @@ -1322,8 +1371,8 @@ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg, phys_addr_t phys = page_to_phys(sg_page(s)); unsigned int len = PAGE_ALIGN(s->offset + s->length); - if (!arch_is_coherent() && - !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) + if (!is_coherent && + !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_cpu_to_dev(sg_page(s), s->offset, s->length, dir); ret = iommu_map(mapping->domain, iova, phys, len, 0); @@ -1341,20 +1390,9 @@ fail: return ret; } -/** - * arm_iommu_map_sg - map a set of SG buffers for streaming mode DMA - * @dev: valid struct device pointer - * @sg: list of buffers - * @nents: number of buffers to map - * @dir: DMA transfer direction - * - * Map a set of buffers described by scatterlist in streaming mode for DMA. - * The scatter gather list elements are merged together (if possible) and - * tagged with the appropriate dma address and length. They are obtained via - * sg_dma_{address,length}. - */ -int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir, struct dma_attrs *attrs) +static int __iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents, + enum dma_data_direction dir, struct dma_attrs *attrs, + bool is_coherent) { struct scatterlist *s = sg, *dma = sg, *start = sg; int i, count = 0; @@ -1370,7 +1408,7 @@ int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents, if (s->offset || (size & ~PAGE_MASK) || size + s->length > max) { if (__map_sg_chunk(dev, start, size, &dma->dma_address, - dir, attrs) < 0) + dir, attrs, is_coherent) < 0) goto bad_mapping; dma->dma_address += offset; @@ -1383,7 +1421,8 @@ int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents, } size += s->length; } - if (__map_sg_chunk(dev, start, size, &dma->dma_address, dir, attrs) < 0) + if (__map_sg_chunk(dev, start, size, &dma->dma_address, dir, attrs, + is_coherent) < 0) goto bad_mapping; dma->dma_address += offset; @@ -1398,17 +1437,44 @@ bad_mapping: } /** - * arm_iommu_unmap_sg - unmap a set of SG buffers mapped by dma_map_sg + * arm_coherent_iommu_map_sg - map a set of SG buffers for streaming mode DMA * @dev: valid struct device pointer * @sg: list of buffers - * @nents: number of buffers to unmap (same as was passed to dma_map_sg) - * @dir: DMA transfer direction (same as was passed to dma_map_sg) + * @nents: number of buffers to map + * @dir: DMA transfer direction * - * Unmap a set of streaming mode DMA translations. Again, CPU access - * rules concerning calls here are the same as for dma_unmap_single(). + * Map a set of i/o coherent buffers described by scatterlist in streaming + * mode for DMA. The scatter gather list elements are merged together (if + * possible) and tagged with the appropriate dma address and length. They are + * obtained via sg_dma_{address,length}. */ -void arm_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir, struct dma_attrs *attrs) +int arm_coherent_iommu_map_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir, struct dma_attrs *attrs) +{ + return __iommu_map_sg(dev, sg, nents, dir, attrs, true); +} + +/** + * arm_iommu_map_sg - map a set of SG buffers for streaming mode DMA + * @dev: valid struct device pointer + * @sg: list of buffers + * @nents: number of buffers to map + * @dir: DMA transfer direction + * + * Map a set of buffers described by scatterlist in streaming mode for DMA. + * The scatter gather list elements are merged together (if possible) and + * tagged with the appropriate dma address and length. They are obtained via + * sg_dma_{address,length}. + */ +int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir, struct dma_attrs *attrs) +{ + return __iommu_map_sg(dev, sg, nents, dir, attrs, false); +} + +static void __iommu_unmap_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir, struct dma_attrs *attrs, + bool is_coherent) { struct scatterlist *s; int i; @@ -1417,7 +1483,7 @@ void arm_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, if (sg_dma_len(s)) __iommu_remove_mapping(dev, sg_dma_address(s), sg_dma_len(s)); - if (!arch_is_coherent() && + if (!is_coherent && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_dev_to_cpu(sg_page(s), s->offset, s->length, dir); @@ -1425,6 +1491,38 @@ void arm_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, } /** + * arm_coherent_iommu_unmap_sg - unmap a set of SG buffers mapped by dma_map_sg + * @dev: valid struct device pointer + * @sg: list of buffers + * @nents: number of buffers to unmap (same as was passed to dma_map_sg) + * @dir: DMA transfer direction (same as was passed to dma_map_sg) + * + * Unmap a set of streaming mode DMA translations. Again, CPU access + * rules concerning calls here are the same as for dma_unmap_single(). + */ +void arm_coherent_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir, struct dma_attrs *attrs) +{ + __iommu_unmap_sg(dev, sg, nents, dir, attrs, true); +} + +/** + * arm_iommu_unmap_sg - unmap a set of SG buffers mapped by dma_map_sg + * @dev: valid struct device pointer + * @sg: list of buffers + * @nents: number of buffers to unmap (same as was passed to dma_map_sg) + * @dir: DMA transfer direction (same as was passed to dma_map_sg) + * + * Unmap a set of streaming mode DMA translations. Again, CPU access + * rules concerning calls here are the same as for dma_unmap_single(). + */ +void arm_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, + enum dma_data_direction dir, struct dma_attrs *attrs) +{ + __iommu_unmap_sg(dev, sg, nents, dir, attrs, false); +} + +/** * arm_iommu_sync_sg_for_cpu * @dev: valid struct device pointer * @sg: list of buffers @@ -1438,8 +1536,7 @@ void arm_iommu_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int i; for_each_sg(sg, s, nents, i) - if (!arch_is_coherent()) - __dma_page_dev_to_cpu(sg_page(s), s->offset, s->length, dir); + __dma_page_dev_to_cpu(sg_page(s), s->offset, s->length, dir); } @@ -1457,22 +1554,21 @@ void arm_iommu_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int i; for_each_sg(sg, s, nents, i) - if (!arch_is_coherent()) - __dma_page_cpu_to_dev(sg_page(s), s->offset, s->length, dir); + __dma_page_cpu_to_dev(sg_page(s), s->offset, s->length, dir); } /** - * arm_iommu_map_page + * arm_coherent_iommu_map_page * @dev: valid struct device pointer * @page: page that buffer resides in * @offset: offset into page for start of buffer * @size: size of buffer to map * @dir: DMA transfer direction * - * IOMMU aware version of arm_dma_map_page() + * Coherent IOMMU aware version of arm_dma_map_page() */ -static dma_addr_t arm_iommu_map_page(struct device *dev, struct page *page, +static dma_addr_t arm_coherent_iommu_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, struct dma_attrs *attrs) { @@ -1480,9 +1576,6 @@ static dma_addr_t arm_iommu_map_page(struct device *dev, struct page *page, dma_addr_t dma_addr; int ret, len = PAGE_ALIGN(size + offset); - if (!arch_is_coherent() && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) - __dma_page_cpu_to_dev(page, offset, size, dir); - dma_addr = __alloc_iova(mapping, len); if (dma_addr == DMA_ERROR_CODE) return dma_addr; @@ -1498,6 +1591,51 @@ fail: } /** + * arm_iommu_map_page + * @dev: valid struct device pointer + * @page: page that buffer resides in + * @offset: offset into page for start of buffer + * @size: size of buffer to map + * @dir: DMA transfer direction + * + * IOMMU aware version of arm_dma_map_page() + */ +static dma_addr_t arm_iommu_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, enum dma_data_direction dir, + struct dma_attrs *attrs) +{ + if (!dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) + __dma_page_cpu_to_dev(page, offset, size, dir); + + return arm_coherent_iommu_map_page(dev, page, offset, size, dir, attrs); +} + +/** + * arm_coherent_iommu_unmap_page + * @dev: valid struct device pointer + * @handle: DMA address of buffer + * @size: size of buffer (same as passed to dma_map_page) + * @dir: DMA transfer direction (same as passed to dma_map_page) + * + * Coherent IOMMU aware version of arm_dma_unmap_page() + */ +static void arm_coherent_iommu_unmap_page(struct device *dev, dma_addr_t handle, + size_t size, enum dma_data_direction dir, + struct dma_attrs *attrs) +{ + struct dma_iommu_mapping *mapping = dev->archdata.mapping; + dma_addr_t iova = handle & PAGE_MASK; + int offset = handle & ~PAGE_MASK; + int len = PAGE_ALIGN(size + offset); + + if (!iova) + return; + + iommu_unmap(mapping->domain, iova, len); + __free_iova(mapping, iova, len); +} + +/** * arm_iommu_unmap_page * @dev: valid struct device pointer * @handle: DMA address of buffer @@ -1519,7 +1657,7 @@ static void arm_iommu_unmap_page(struct device *dev, dma_addr_t handle, if (!iova) return; - if (!arch_is_coherent() && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) + if (!dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_dev_to_cpu(page, offset, size, dir); iommu_unmap(mapping->domain, iova, len); @@ -1537,8 +1675,7 @@ static void arm_iommu_sync_single_for_cpu(struct device *dev, if (!iova) return; - if (!arch_is_coherent()) - __dma_page_dev_to_cpu(page, offset, size, dir); + __dma_page_dev_to_cpu(page, offset, size, dir); } static void arm_iommu_sync_single_for_device(struct device *dev, @@ -1572,6 +1709,19 @@ struct dma_map_ops iommu_ops = { .sync_sg_for_device = arm_iommu_sync_sg_for_device, }; +struct dma_map_ops iommu_coherent_ops = { + .alloc = arm_iommu_alloc_attrs, + .free = arm_iommu_free_attrs, + .mmap = arm_iommu_mmap_attrs, + .get_sgtable = arm_iommu_get_sgtable, + + .map_page = arm_coherent_iommu_map_page, + .unmap_page = arm_coherent_iommu_unmap_page, + + .map_sg = arm_coherent_iommu_map_sg, + .unmap_sg = arm_coherent_iommu_unmap_sg, +}; + /** * arm_iommu_create_mapping * @bus: pointer to the bus holding the client device (for IOMMU calls) @@ -1665,7 +1815,7 @@ int arm_iommu_attach_device(struct device *dev, dev->archdata.mapping = mapping; set_dma_ops(dev, &iommu_ops); - pr_info("Attached IOMMU controller to %s device.\n", dev_name(dev)); + pr_debug("Attached IOMMU controller to %s device.\n", dev_name(dev)); return 0; } diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 18144e6a3115..941dfb9e9a78 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -423,17 +423,6 @@ static void __init build_mem_type_table(void) vecs_pgprot = kern_pgprot = user_pgprot = cp->pte; /* - * Enable CPU-specific coherency if supported. - * (Only available on XSC3 at the moment.) - */ - if (arch_is_coherent() && cpu_is_xsc3()) { - mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S; - mem_types[MT_MEMORY].prot_pte |= L_PTE_SHARED; - mem_types[MT_MEMORY_DMA_READY].prot_pte |= L_PTE_SHARED; - mem_types[MT_MEMORY_NONCACHED].prot_sect |= PMD_SECT_S; - mem_types[MT_MEMORY_NONCACHED].prot_pte |= L_PTE_SHARED; - } - /* * ARMv6 and above have extended page tables. */ if (cpu_arch >= CPU_ARCH_ARMv6 && (cr & CR_XP)) { diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c index 5e13c3884aa4..42377ef9ea3d 100644 --- a/arch/arm/plat-omap/mailbox.c +++ b/arch/arm/plat-omap/mailbox.c @@ -310,7 +310,7 @@ static void omap_mbox_fini(struct omap_mbox *mbox) omap_mbox_disable_irq(mbox, IRQ_RX); free_irq(mbox->irq, mbox); tasklet_kill(&mbox->txq->tasklet); - flush_work_sync(&mbox->rxq->work); + flush_work(&mbox->rxq->work); mbox_queue_free(mbox->txq); mbox_queue_free(mbox->rxq); } |