diff options
-rw-r--r-- | arch/arm/mach-ux500/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-ux500/board-mop500.c | 58 | ||||
-rw-r--r-- | arch/arm/mach-ux500/cpu-db8500.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-ux500/cpu.c | 21 | ||||
-rw-r--r-- | arch/arm/mach-ux500/cpuidle.c | 3 | ||||
-rw-r--r-- | arch/arm/mach-ux500/devices-db8500.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-ux500/include/mach/hardware.h | 2 | ||||
-rw-r--r-- | arch/arm/mach-ux500/include/mach/irqs-db8500.h | 25 | ||||
-rw-r--r-- | arch/arm/mach-ux500/pm.c | 167 | ||||
-rw-r--r-- | drivers/mfd/db8500-prcmu.c | 316 | ||||
-rw-r--r-- | drivers/mfd/dbx500-prcmu-regs.h | 204 | ||||
-rw-r--r-- | include/linux/mfd/db8500-prcmu.h | 10 | ||||
-rw-r--r-- | include/linux/mfd/dbx500-prcmu.h | 38 | ||||
-rw-r--r-- | include/linux/platform_data/arm-ux500-pm.h | 21 |
14 files changed, 454 insertions, 417 deletions
diff --git a/arch/arm/mach-ux500/Makefile b/arch/arm/mach-ux500/Makefile index f24710dfc39..580a4db9e97 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 diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index b03457881c4..fe3d72cc341 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -206,63 +206,6 @@ 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", }; @@ -622,7 +565,6 @@ 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, }; diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index 19235cf7bbe..8c58dffe52d 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -94,8 +94,6 @@ 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 537870d3fea..2c5c48baa3e 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> @@ -20,6 +20,7 @@ #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> @@ -30,8 +31,6 @@ #include "board-mop500.h" #include "id.h" -void __iomem *_PRCMU_BASE; - /* * FIXME: Should we set up the GPIO domain here? * @@ -68,13 +67,19 @@ 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()) + 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(); - else if (cpu_is_u8540()) + } 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(); + } 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 ce9149302cc..1e5bb6640f5 100644 --- a/arch/arm/mach-ux500/cpuidle.c +++ b/arch/arm/mach-ux500/cpuidle.c @@ -16,6 +16,7 @@ #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> @@ -130,7 +131,7 @@ int __init ux500_idle_init(void) int ret, cpu; struct cpuidle_device *device; - /* 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/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c index f3d9419f75d..df4d7de0fd9 100644 --- a/arch/arm/mach-ux500/devices-db8500.c +++ b/arch/arm/mach-ux500/devices-db8500.c @@ -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/include/mach/hardware.h b/arch/arm/mach-ux500/include/mach/hardware.h index 5201ddace50..4eece2af189 100644 --- a/arch/arm/mach-ux500/include/mach/hardware.h +++ b/arch/arm/mach-ux500/include/mach/hardware.h @@ -39,8 +39,6 @@ #ifndef __ASSEMBLY__ -extern void __iomem *_PRCMU_BASE; - #define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x) #endif /* __ASSEMBLY__ */ diff --git a/arch/arm/mach-ux500/include/mach/irqs-db8500.h b/arch/arm/mach-ux500/include/mach/irqs-db8500.h index 68bc1497460..f3a9d5947ef 100644 --- a/arch/arm/mach-ux500/include/mach/irqs-db8500.h +++ b/arch/arm/mach-ux500/include/mach/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/pm.c b/arch/arm/mach-ux500/pm.c new file mode 100644 index 00000000000..6949a1332f8 --- /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 <mach/hardware.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/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 21f261bf9e9..21434beb420 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -26,7 +26,6 @@ #include <linux/fs.h> #include <linux/platform_device.h> #include <linux/uaccess.h> -#include <linux/irqchip/arm-gic.h> #include <linux/mfd/core.h> #include <linux/mfd/dbx500-prcmu.h> #include <linux/mfd/abx500/ab8500.h> @@ -34,9 +33,7 @@ #include <linux/regulator/machine.h> #include <linux/cpufreq.h> #include <linux/platform_data/ux500_wdt.h> -#include <mach/hardware.h> -#include <mach/irqs.h> -#include <mach/db8500-regs.h> +#include <linux/platform_data/db8500_thermal.h> #include "dbx500-prcmu-regs.h" /* Index of different voltages to be used when accessing AVSData */ @@ -276,8 +273,34 @@ static struct irq_domain *db8500_irq_domain; * the bits in the bit field are not. (The bits also have a tendency to move * around, to further complicate matters.) */ -#define IRQ_INDEX(_name) ((IRQ_PRCMU_##_name) - IRQ_PRCMU_BASE) +#define IRQ_INDEX(_name) ((IRQ_PRCMU_##_name)) #define IRQ_ENTRY(_name)[IRQ_INDEX(_name)] = (WAKEUP_BIT_##_name) + +#define IRQ_PRCMU_RTC 0 +#define IRQ_PRCMU_RTT0 1 +#define IRQ_PRCMU_RTT1 2 +#define IRQ_PRCMU_HSI0 3 +#define IRQ_PRCMU_HSI1 4 +#define IRQ_PRCMU_CA_WAKE 5 +#define IRQ_PRCMU_USB 6 +#define IRQ_PRCMU_ABB 7 +#define IRQ_PRCMU_ABB_FIFO 8 +#define IRQ_PRCMU_ARM 9 +#define IRQ_PRCMU_MODEM_SW_RESET_REQ 10 +#define IRQ_PRCMU_GPIO0 11 +#define IRQ_PRCMU_GPIO1 12 +#define IRQ_PRCMU_GPIO2 13 +#define IRQ_PRCMU_GPIO3 14 +#define IRQ_PRCMU_GPIO4 15 +#define IRQ_PRCMU_GPIO5 16 +#define IRQ_PRCMU_GPIO6 17 +#define IRQ_PRCMU_GPIO7 18 +#define IRQ_PRCMU_GPIO8 19 +#define IRQ_PRCMU_CA_SLEEP 20 +#define IRQ_PRCMU_HOTMON_LOW 21 +#define IRQ_PRCMU_HOTMON_HIGH 22 +#define NUM_PRCMU_WAKEUPS 23 + static u32 prcmu_irq_bit[NUM_PRCMU_WAKEUPS] = { IRQ_ENTRY(RTC), IRQ_ENTRY(RTT0), @@ -422,9 +445,10 @@ static DEFINE_SPINLOCK(clkout_lock); /* Global var to runtime determine TCDM base for v2 or v1 */ static __iomem void *tcdm_base; +static __iomem void *prcmu_base; struct clk_mgt { - void __iomem *reg; + u32 offset; u32 pllsw; int branch; bool clk38div; @@ -599,9 +623,9 @@ int db8500_prcmu_set_display_clocks(void) while ((readl(PRCM_SEM) & PRCM_SEM_PRCM_SEM) != 0) cpu_relax(); - writel(PRCMU_DSI_CLOCK_SETTING, PRCM_HDMICLK_MGT); - writel(PRCMU_DSI_LP_CLOCK_SETTING, PRCM_TVCLK_MGT); - writel(PRCMU_DPI_CLOCK_SETTING, PRCM_LCDCLK_MGT); + writel(PRCMU_DSI_CLOCK_SETTING, prcmu_base + PRCM_HDMICLK_MGT); + writel(PRCMU_DSI_LP_CLOCK_SETTING, prcmu_base + PRCM_TVCLK_MGT); + writel(PRCMU_DPI_CLOCK_SETTING, prcmu_base + PRCM_LCDCLK_MGT); /* Release the HW semaphore. */ writel(0, PRCM_SEM); @@ -613,7 +637,7 @@ int db8500_prcmu_set_display_clocks(void) u32 db8500_prcmu_read(unsigned int reg) { - return readl(_PRCMU_BASE + reg); + return readl(prcmu_base + reg); } void db8500_prcmu_write(unsigned int reg, u32 value) @@ -621,7 +645,7 @@ void db8500_prcmu_write(unsigned int reg, u32 value) unsigned long flags; spin_lock_irqsave(&prcmu_lock, flags); - writel(value, (_PRCMU_BASE + reg)); + writel(value, (prcmu_base + reg)); spin_unlock_irqrestore(&prcmu_lock, flags); } @@ -631,9 +655,9 @@ void db8500_prcmu_write_masked(unsigned int reg, u32 mask, u32 value) unsigned long flags; spin_lock_irqsave(&prcmu_lock, flags); - val = readl(_PRCMU_BASE + reg); + val = readl(prcmu_base + reg); val = ((val & ~mask) | (value & mask)); - writel(val, (_PRCMU_BASE + reg)); + writel(val, (prcmu_base + reg)); spin_unlock_irqrestore(&prcmu_lock, flags); } @@ -793,119 +817,6 @@ u8 db8500_prcmu_get_power_state_result(void) return readb(tcdm_base + PRCM_ACK_MB0_AP_PWRSTTR_STATUS); } -/* This function decouple the gic from the prcmu */ -int db8500_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 db8500_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 db8500_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 db8500_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 db8500_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 db8500_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; -} - /* This function should only be called while mb0_transfer.lock is held. */ static void config_wakeups(void) { @@ -1059,7 +970,7 @@ int db8500_prcmu_set_ddr_opp(u8 opp) /* Divide the frequency of certain clocks by 2 for APE_50_PARTLY_25_OPP. */ static void request_even_slower_clocks(bool enable) { - void __iomem *clock_reg[] = { + u32 clock_reg[] = { PRCM_ACLK_MGT, PRCM_DMACLK_MGT }; @@ -1076,7 +987,7 @@ static void request_even_slower_clocks(bool enable) u32 val; u32 div; - val = readl(clock_reg[i]); + val = readl(prcmu_base + clock_reg[i]); div = (val & PRCM_CLK_MGT_CLKPLLDIV_MASK); if (enable) { if ((div <= 1) || (div > 15)) { @@ -1092,7 +1003,7 @@ static void request_even_slower_clocks(bool enable) } val = ((val & ~PRCM_CLK_MGT_CLKPLLDIV_MASK) | (div & PRCM_CLK_MGT_CLKPLLDIV_MASK)); - writel(val, clock_reg[i]); + writel(val, prcmu_base + clock_reg[i]); } unlock_and_return: @@ -1446,14 +1357,14 @@ static int request_clock(u8 clock, bool enable) while ((readl(PRCM_SEM) & PRCM_SEM_PRCM_SEM) != 0) cpu_relax(); - val = readl(clk_mgt[clock].reg); + val = readl(prcmu_base + clk_mgt[clock].offset); if (enable) { val |= (PRCM_CLK_MGT_CLKEN | clk_mgt[clock].pllsw); } else { clk_mgt[clock].pllsw = (val & PRCM_CLK_MGT_CLKPLLSW_MASK); val &= ~(PRCM_CLK_MGT_CLKEN | PRCM_CLK_MGT_CLKPLLSW_MASK); } - writel(val, clk_mgt[clock].reg); + writel(val, prcmu_base + clk_mgt[clock].offset); /* Release the HW semaphore. */ writel(0, PRCM_SEM); @@ -1629,7 +1540,7 @@ static unsigned long clock_rate(u8 clock) u32 pllsw; unsigned long rate = ROOT_CLOCK_RATE; - val = readl(clk_mgt[clock].reg); + val = readl(prcmu_base + clk_mgt[clock].offset); if (val & PRCM_CLK_MGT_CLK38) { if (clk_mgt[clock].clk38div && (val & PRCM_CLK_MGT_CLK38DIV)) @@ -1785,7 +1696,7 @@ static long round_clock_rate(u8 clock, unsigned long rate) unsigned long src_rate; long rounded_rate; - val = readl(clk_mgt[clock].reg); + val = readl(prcmu_base + clk_mgt[clock].offset); src_rate = clock_source_rate((val | clk_mgt[clock].pllsw), clk_mgt[clock].branch); div = clock_divider(src_rate, rate); @@ -1933,7 +1844,7 @@ static void set_clock_rate(u8 clock, unsigned long rate) while ((readl(PRCM_SEM) & PRCM_SEM_PRCM_SEM) != 0) cpu_relax(); - val = readl(clk_mgt[clock].reg); + val = readl(prcmu_base + clk_mgt[clock].offset); src_rate = clock_source_rate((val | clk_mgt[clock].pllsw), clk_mgt[clock].branch); div = clock_divider(src_rate, rate); @@ -1961,7 +1872,7 @@ static void set_clock_rate(u8 clock, unsigned long rate) val &= ~PRCM_CLK_MGT_CLKPLLDIV_MASK; val |= min(div, (u32)31); } - writel(val, clk_mgt[clock].reg); + writel(val, prcmu_base + clk_mgt[clock].offset); /* Release the HW semaphore. */ writel(0, PRCM_SEM); @@ -2764,14 +2675,13 @@ static struct irq_domain_ops db8500_irq_ops = { .xlate = irq_domain_xlate_twocell, }; -static int db8500_irq_init(struct device_node *np) +static int db8500_irq_init(struct device_node *np, int irq_base) { - int irq_base = 0; int i; /* In the device tree case, just take some IRQs */ - if (!np) - irq_base = IRQ_PRCMU_BASE; + if (np) + irq_base = 0; db8500_irq_domain = irq_domain_add_simple( np, NUM_PRCMU_WAKEUPS, irq_base, @@ -2825,8 +2735,19 @@ static void dbx500_fw_version_init(struct platform_device *pdev, } } -void __init db8500_prcmu_early_init(void) +void __init db8500_prcmu_early_init(u32 phy_base, u32 size) { + /* + * This is a temporary remap to bring up the clocks. It is + * subsequently replaces with a real remap. After the merge of + * the mailbox subsystem all of this early code goes away, and the + * clock driver can probe independently. An early initcall will + * still be needed, but it can be diverted into drivers/clk/ux500. + */ + prcmu_base = ioremap(phy_base, size); + if (!prcmu_base) + pr_err("%s: ioremap() of prcmu registers failed!\n", __func__); + spin_lock_init(&mb0_transfer.lock); spin_lock_init(&mb0_transfer.dbb_irqs_lock); mutex_init(&mb0_transfer.ac_wake_lock); @@ -3092,18 +3013,57 @@ static struct regulator_init_data db8500_regulators[DB8500_NUM_REGULATORS] = { }, }; -static struct resource ab8500_resources[] = { - [0] = { - .start = IRQ_DB8500_AB8500, - .end = IRQ_DB8500_AB8500, - .flags = IORESOURCE_IRQ - } -}; - static struct ux500_wdt_data db8500_wdt_pdata = { .timeout = 600, /* 10 minutes */ .has_28_bits_resolution = true, }; +/* + * 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 mfd_cell db8500_prcmu_devs[] = { { @@ -3125,11 +3085,10 @@ static struct mfd_cell db8500_prcmu_devs[] = { .id = -1, }, { - .name = "ab8500-core", - .of_compatible = "stericsson,ab8500", - .num_resources = ARRAY_SIZE(ab8500_resources), - .resources = ab8500_resources, - .id = AB8500_VERSION_AB8500, + .name = "db8500-thermal", + .num_resources = ARRAY_SIZE(db8500_thsens_resources), + .resources = db8500_thsens_resources, + .platform_data = &db8500_thsens_data, }, }; @@ -3141,6 +3100,24 @@ static void db8500_prcmu_update_cpufreq(void) } } +static int db8500_prcmu_register_ab8500(struct device *parent, + struct ab8500_platform_data *pdata, + int irq) +{ + struct resource ab8500_resource = DEFINE_RES_IRQ(irq); + struct mfd_cell ab8500_cell = { + .name = "ab8500-core", + .of_compatible = "stericsson,ab8500", + .id = AB8500_VERSION_AB8500, + .platform_data = pdata, + .pdata_size = sizeof(struct ab8500_platform_data), + .resources = &ab8500_resource, + .num_resources = 1, + }; + + return mfd_add_devices(parent, 0, &ab8500_cell, 1, NULL, 0, NULL); +} + /** * prcmu_fw_init - arch init call for the Linux PRCMU fw init logic * @@ -3149,11 +3126,21 @@ static int db8500_prcmu_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct prcmu_pdata *pdata = dev_get_platdata(&pdev->dev); - int irq = 0, err = 0, i; + int irq = 0, err = 0; struct resource *res; + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "prcmu"); + if (!res) { + dev_err(&pdev->dev, "no prcmu memory region provided\n"); + return -ENOENT; + } + prcmu_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (!prcmu_base) { + dev_err(&pdev->dev, + "failed to ioremap prcmu register memory\n"); + return -ENOENT; + } init_prcm_registers(); - dbx500_fw_version_init(pdev, pdata->version_offset); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "prcmu-tcdm"); if (!res) { @@ -3180,26 +3167,27 @@ static int db8500_prcmu_probe(struct platform_device *pdev) goto no_irq_return; } - db8500_irq_init(np); - - for (i = 0; i < ARRAY_SIZE(db8500_prcmu_devs); i++) { - if (!strcmp(db8500_prcmu_devs[i].name, "ab8500-core")) { - db8500_prcmu_devs[i].platform_data = pdata->ab_platdata; - db8500_prcmu_devs[i].pdata_size = sizeof(struct ab8500_platform_data); - } - } + db8500_irq_init(np, pdata->irq_base); prcmu_config_esram0_deep_sleep(ESRAM0_DEEP_SLEEP_STATE_RET); db8500_prcmu_update_cpufreq(); err = mfd_add_devices(&pdev->dev, 0, db8500_prcmu_devs, - ARRAY_SIZE(db8500_prcmu_devs), NULL, 0, NULL); + ARRAY_SIZE(db8500_prcmu_devs), NULL, 0, db8500_irq_domain); if (err) { pr_err("prcmu: Failed to add subdevices\n"); return err; } + err = db8500_prcmu_register_ab8500(&pdev->dev, pdata->ab_platdata, + pdata->ab_irq); + if (err) { + mfd_remove_devices(&pdev->dev); + pr_err("prcmu: Failed to add ab8500 subdevice\n"); + goto no_irq_return; + } + pr_info("DB8500 PRCMU initialized\n"); no_irq_return: diff --git a/drivers/mfd/dbx500-prcmu-regs.h b/drivers/mfd/dbx500-prcmu-regs.h index 79c76ebdba5..d14836ed211 100644 --- a/drivers/mfd/dbx500-prcmu-regs.h +++ b/drivers/mfd/dbx500-prcmu-regs.h @@ -13,136 +13,110 @@ #ifndef __DB8500_PRCMU_REGS_H #define __DB8500_PRCMU_REGS_H -#include <mach/hardware.h> - #define BITS(_start, _end) ((BIT(_end) - BIT(_start)) + BIT(_end)) -#define PRCM_CLK_MGT(_offset) (void __iomem *)(IO_ADDRESS(U8500_PRCMU_BASE) \ - + _offset) -#define PRCM_ACLK_MGT PRCM_CLK_MGT(0x004) -#define PRCM_SVACLK_MGT PRCM_CLK_MGT(0x008) -#define PRCM_SIACLK_MGT PRCM_CLK_MGT(0x00C) -#define PRCM_SGACLK_MGT PRCM_CLK_MGT(0x014) -#define PRCM_UARTCLK_MGT PRCM_CLK_MGT(0x018) -#define PRCM_MSP02CLK_MGT PRCM_CLK_MGT(0x01C) -#define PRCM_I2CCLK_MGT PRCM_CLK_MGT(0x020) -#define PRCM_SDMMCCLK_MGT PRCM_CLK_MGT(0x024) -#define PRCM_SLIMCLK_MGT PRCM_CLK_MGT(0x028) -#define PRCM_PER1CLK_MGT PRCM_CLK_MGT(0x02C) -#define PRCM_PER2CLK_MGT PRCM_CLK_MGT(0x030) -#define PRCM_PER3CLK_MGT PRCM_CLK_MGT(0x034) -#define PRCM_PER5CLK_MGT PRCM_CLK_MGT(0x038) -#define PRCM_PER6CLK_MGT PRCM_CLK_MGT(0x03C) -#define PRCM_PER7CLK_MGT PRCM_CLK_MGT(0x040) -#define PRCM_LCDCLK_MGT PRCM_CLK_MGT(0x044) -#define PRCM_BMLCLK_MGT PRCM_CLK_MGT(0x04C) -#define PRCM_HSITXCLK_MGT PRCM_CLK_MGT(0x050) -#define PRCM_HSIRXCLK_MGT PRCM_CLK_MGT(0x054) -#define PRCM_HDMICLK_MGT PRCM_CLK_MGT(0x058) -#define PRCM_APEATCLK_MGT PRCM_CLK_MGT(0x05C) -#define PRCM_APETRACECLK_MGT PRCM_CLK_MGT(0x060) -#define PRCM_MCDECLK_MGT PRCM_CLK_MGT(0x064) -#define PRCM_IPI2CCLK_MGT PRCM_CLK_MGT(0x068) -#define PRCM_DSIALTCLK_MGT PRCM_CLK_MGT(0x06C) -#define PRCM_DMACLK_MGT PRCM_CLK_MGT(0x074) -#define PRCM_B2R2CLK_MGT PRCM_CLK_MGT(0x078) -#define PRCM_TVCLK_MGT PRCM_CLK_MGT(0x07C) -#define PRCM_UNIPROCLK_MGT PRCM_CLK_MGT(0x278) -#define PRCM_SSPCLK_MGT PRCM_CLK_MGT(0x280) -#define PRCM_RNGCLK_MGT PRCM_CLK_MGT(0x284) -#define PRCM_UICCCLK_MGT PRCM_CLK_MGT(0x27C) -#define PRCM_MSP1CLK_MGT PRCM_CLK_MGT(0x288) - -#define PRCM_ARM_PLLDIVPS (_PRCMU_BASE + 0x118) +#define PRCM_ACLK_MGT (0x004) +#define PRCM_SVACLK_MGT (0x008) +#define PRCM_SIACLK_MGT (0x00C) +#define PRCM_SGACLK_MGT (0x014) +#define PRCM_UARTCLK_MGT (0x018) +#define PRCM_MSP02CLK_MGT (0x01C) +#define PRCM_I2CCLK_MGT (0x020) +#define PRCM_SDMMCCLK_MGT (0x024) +#define PRCM_SLIMCLK_MGT (0x028) +#define PRCM_PER1CLK_MGT (0x02C) +#define PRCM_PER2CLK_MGT (0x030) +#define PRCM_PER3CLK_MGT (0x034) +#define PRCM_PER5CLK_MGT (0x038) +#define PRCM_PER6CLK_MGT (0x03C) +#define PRCM_PER7CLK_MGT (0x040) +#define PRCM_LCDCLK_MGT (0x044) +#define PRCM_BMLCLK_MGT (0x04C) +#define PRCM_HSITXCLK_MGT (0x050) +#define PRCM_HSIRXCLK_MGT (0x054) +#define PRCM_HDMICLK_MGT (0x058) +#define PRCM_APEATCLK_MGT (0x05C) +#define PRCM_APETRACECLK_MGT (0x060) +#define PRCM_MCDECLK_MGT (0x064) +#define PRCM_IPI2CCLK_MGT (0x068) +#define PRCM_DSIALTCLK_MGT (0x06C) +#define PRCM_DMACLK_MGT (0x074) +#define PRCM_B2R2CLK_MGT (0x078) +#define PRCM_TVCLK_MGT (0x07C) +#define PRCM_UNIPROCLK_MGT (0x278) +#define PRCM_SSPCLK_MGT (0x280) +#define PRCM_RNGCLK_MGT (0x284) +#define PRCM_UICCCLK_MGT (0x27C) +#define PRCM_MSP1CLK_MGT (0x288) + +#define PRCM_ARM_PLLDIVPS (prcmu_base + 0x118) #define PRCM_ARM_PLLDIVPS_ARM_BRM_RATE 0x3f #define PRCM_ARM_PLLDIVPS_MAX_MASK 0xf -#define PRCM_PLLARM_LOCKP (_PRCMU_BASE + 0x0a8) +#define PRCM_PLLARM_LOCKP (prcmu_base + 0x0a8) #define PRCM_PLLARM_LOCKP_PRCM_PLLARM_LOCKP3 0x2 -#define PRCM_ARM_CHGCLKREQ (_PRCMU_BASE + 0x114) +#define PRCM_ARM_CHGCLKREQ (prcmu_base + 0x114) #define PRCM_ARM_CHGCLKREQ_PRCM_ARM_CHGCLKREQ BIT(0) #define PRCM_ARM_CHGCLKREQ_PRCM_ARM_DIVSEL BIT(16) -#define PRCM_PLLARM_ENABLE (_PRCMU_BASE + 0x98) +#define PRCM_PLLARM_ENABLE (prcmu_base + 0x98) #define PRCM_PLLARM_ENABLE_PRCM_PLLARM_ENABLE 0x1 #define PRCM_PLLARM_ENABLE_PRCM_PLLARM_COUNTON 0x100 -#define PRCM_ARMCLKFIX_MGT (_PRCMU_BASE + 0x0) -#define PRCM_A9PL_FORCE_CLKEN (_PRCMU_BASE + 0x19C) -#define PRCM_A9_RESETN_CLR (_PRCMU_BASE + 0x1f4) -#define PRCM_A9_RESETN_SET (_PRCMU_BASE + 0x1f0) -#define PRCM_ARM_LS_CLAMP (_PRCMU_BASE + 0x30c) -#define PRCM_SRAM_A9 (_PRCMU_BASE + 0x308) +#define PRCM_ARMCLKFIX_MGT (prcmu_base + 0x0) +#define PRCM_A9PL_FORCE_CLKEN (prcmu_base + 0x19C) +#define PRCM_A9_RESETN_CLR (prcmu_base + 0x1f4) +#define PRCM_A9_RESETN_SET (prcmu_base + 0x1f0) +#define PRCM_ARM_LS_CLAMP (prcmu_base + 0x30c) +#define PRCM_SRAM_A9 (prcmu_base + 0x308) #define PRCM_A9PL_FORCE_CLKEN_PRCM_A9PL_FORCE_CLKEN BIT(0) #define PRCM_A9PL_FORCE_CLKEN_PRCM_A9AXI_FORCE_CLKEN BIT(1) -/* 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 - /* CPU mailbox registers */ -#define PRCM_MBOX_CPU_VAL (_PRCMU_BASE + 0x0fc) -#define PRCM_MBOX_CPU_SET (_PRCMU_BASE + 0x100) -#define PRCM_MBOX_CPU_CLR (_PRCMU_BASE + 0x104) - -/* 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) - -#define PRCM_HOSTACCESS_REQ (_PRCMU_BASE + 0x334) +#define PRCM_MBOX_CPU_VAL (prcmu_base + 0x0fc) +#define PRCM_MBOX_CPU_SET (prcmu_base + 0x100) +#define PRCM_MBOX_CPU_CLR (prcmu_base + 0x104) + +#define PRCM_HOSTACCESS_REQ (prcmu_base + 0x334) #define PRCM_HOSTACCESS_REQ_HOSTACCESS_REQ 0x1 #define PRCM_HOSTACCESS_REQ_WAKE_REQ BIT(16) #define ARM_WAKEUP_MODEM 0x1 -#define PRCM_ARM_IT1_CLR (_PRCMU_BASE + 0x48C) -#define PRCM_ARM_IT1_VAL (_PRCMU_BASE + 0x494) -#define PRCM_HOLD_EVT (_PRCMU_BASE + 0x174) +#define PRCM_ARM_IT1_CLR (prcmu_base + 0x48C) +#define PRCM_ARM_IT1_VAL (prcmu_base + 0x494) +#define PRCM_HOLD_EVT (prcmu_base + 0x174) -#define PRCM_MOD_AWAKE_STATUS (_PRCMU_BASE + 0x4A0) +#define PRCM_MOD_AWAKE_STATUS (prcmu_base + 0x4A0) #define PRCM_MOD_AWAKE_STATUS_PRCM_MOD_COREPD_AWAKE BIT(0) #define PRCM_MOD_AWAKE_STATUS_PRCM_MOD_AAPD_AWAKE BIT(1) #define PRCM_MOD_AWAKE_STATUS_PRCM_MOD_VMODEM_OFF_ISO BIT(2) -#define PRCM_ITSTATUS0 (_PRCMU_BASE + 0x148) -#define PRCM_ITSTATUS1 (_PRCMU_BASE + 0x150) -#define PRCM_ITSTATUS2 (_PRCMU_BASE + 0x158) -#define PRCM_ITSTATUS3 (_PRCMU_BASE + 0x160) -#define PRCM_ITSTATUS4 (_PRCMU_BASE + 0x168) -#define PRCM_ITSTATUS5 (_PRCMU_BASE + 0x484) -#define PRCM_ITCLEAR5 (_PRCMU_BASE + 0x488) -#define PRCM_ARMIT_MASKXP70_IT (_PRCMU_BASE + 0x1018) +#define PRCM_ITSTATUS0 (prcmu_base + 0x148) +#define PRCM_ITSTATUS1 (prcmu_base + 0x150) +#define PRCM_ITSTATUS2 (prcmu_base + 0x158) +#define PRCM_ITSTATUS3 (prcmu_base + 0x160) +#define PRCM_ITSTATUS4 (prcmu_base + 0x168) +#define PRCM_ITSTATUS5 (prcmu_base + 0x484) +#define PRCM_ITCLEAR5 (prcmu_base + 0x488) +#define PRCM_ARMIT_MASKXP70_IT (prcmu_base + 0x1018) /* System reset register */ -#define PRCM_APE_SOFTRST (_PRCMU_BASE + 0x228) +#define PRCM_APE_SOFTRST (prcmu_base + 0x228) /* Level shifter and clamp control registers */ -#define PRCM_MMIP_LS_CLAMP_SET (_PRCMU_BASE + 0x420) -#define PRCM_MMIP_LS_CLAMP_CLR (_PRCMU_BASE + 0x424) +#define PRCM_MMIP_LS_CLAMP_SET (prcmu_base + 0x420) +#define PRCM_MMIP_LS_CLAMP_CLR (prcmu_base + 0x424) #define PRCM_MMIP_LS_CLAMP_DSIPLL_CLAMP BIT(11) #define PRCM_MMIP_LS_CLAMP_DSIPLL_CLAMPI BIT(22) /* PRCMU clock/PLL/reset registers */ -#define PRCM_PLLSOC0_FREQ (_PRCMU_BASE + 0x080) -#define PRCM_PLLSOC1_FREQ (_PRCMU_BASE + 0x084) -#define PRCM_PLLARM_FREQ (_PRCMU_BASE + 0x088) -#define PRCM_PLLDDR_FREQ (_PRCMU_BASE + 0x08C) +#define PRCM_PLLSOC0_FREQ (prcmu_base + 0x080) +#define PRCM_PLLSOC1_FREQ (prcmu_base + 0x084) +#define PRCM_PLLARM_FREQ (prcmu_base + 0x088) +#define PRCM_PLLDDR_FREQ (prcmu_base + 0x08C) #define PRCM_PLL_FREQ_D_SHIFT 0 #define PRCM_PLL_FREQ_D_MASK BITS(0, 7) #define PRCM_PLL_FREQ_N_SHIFT 8 @@ -152,14 +126,14 @@ #define PRCM_PLL_FREQ_SELDIV2 BIT(24) #define PRCM_PLL_FREQ_DIV2EN BIT(25) -#define PRCM_PLLDSI_FREQ (_PRCMU_BASE + 0x500) -#define PRCM_PLLDSI_ENABLE (_PRCMU_BASE + 0x504) -#define PRCM_PLLDSI_LOCKP (_PRCMU_BASE + 0x508) -#define PRCM_DSI_PLLOUT_SEL (_PRCMU_BASE + 0x530) -#define PRCM_DSITVCLK_DIV (_PRCMU_BASE + 0x52C) -#define PRCM_PLLDSI_LOCKP (_PRCMU_BASE + 0x508) -#define PRCM_APE_RESETN_SET (_PRCMU_BASE + 0x1E4) -#define PRCM_APE_RESETN_CLR (_PRCMU_BASE + 0x1E8) +#define PRCM_PLLDSI_FREQ (prcmu_base + 0x500) +#define PRCM_PLLDSI_ENABLE (prcmu_base + 0x504) +#define PRCM_PLLDSI_LOCKP (prcmu_base + 0x508) +#define PRCM_DSI_PLLOUT_SEL (prcmu_base + 0x530) +#define PRCM_DSITVCLK_DIV (prcmu_base + 0x52C) +#define PRCM_PLLDSI_LOCKP (prcmu_base + 0x508) +#define PRCM_APE_RESETN_SET (prcmu_base + 0x1E4) +#define PRCM_APE_RESETN_CLR (prcmu_base + 0x1E8) #define PRCM_PLLDSI_ENABLE_PRCM_PLLDSI_ENABLE BIT(0) @@ -188,30 +162,30 @@ #define PRCM_APE_RESETN_DSIPLL_RESETN BIT(14) -#define PRCM_CLKOCR (_PRCMU_BASE + 0x1CC) +#define PRCM_CLKOCR (prcmu_base + 0x1CC) #define PRCM_CLKOCR_CLKOUT0_REF_CLK (1 << 0) #define PRCM_CLKOCR_CLKOUT0_MASK BITS(0, 13) #define PRCM_CLKOCR_CLKOUT1_REF_CLK (1 << 16) #define PRCM_CLKOCR_CLKOUT1_MASK BITS(16, 29) /* ePOD and memory power signal control registers */ -#define PRCM_EPOD_C_SET (_PRCMU_BASE + 0x410) -#define PRCM_SRAM_LS_SLEEP (_PRCMU_BASE + 0x304) +#define PRCM_EPOD_C_SET (prcmu_base + 0x410) +#define PRCM_SRAM_LS_SLEEP (prcmu_base + 0x304) /* Debug power control unit registers */ -#define PRCM_POWER_STATE_SET (_PRCMU_BASE + 0x254) +#define PRCM_POWER_STATE_SET (prcmu_base + 0x254) /* Miscellaneous unit registers */ -#define PRCM_DSI_SW_RESET (_PRCMU_BASE + 0x324) -#define PRCM_GPIOCR (_PRCMU_BASE + 0x138) +#define PRCM_DSI_SW_RESET (prcmu_base + 0x324) +#define PRCM_GPIOCR (prcmu_base + 0x138) #define PRCM_GPIOCR_DBG_STM_MOD_CMD1 0x800 #define PRCM_GPIOCR_DBG_UARTMOD_CMD0 0x1 /* PRCMU HW semaphore */ -#define PRCM_SEM (_PRCMU_BASE + 0x400) +#define PRCM_SEM (prcmu_base + 0x400) #define PRCM_SEM_PRCM_SEM BIT(0) -#define PRCM_TCR (_PRCMU_BASE + 0x1C8) +#define PRCM_TCR (prcmu_base + 0x1C8) #define PRCM_TCR_TENSEL_MASK BITS(0, 7) #define PRCM_TCR_STOP_TIMERS BIT(16) #define PRCM_TCR_DOZE_MODE BIT(17) @@ -239,15 +213,15 @@ /* GPIOCR register */ #define PRCM_GPIOCR_SPI2_SELECT BIT(23) -#define PRCM_DDR_SUBSYS_APE_MINBW (_PRCMU_BASE + 0x438) -#define PRCM_CGATING_BYPASS (_PRCMU_BASE + 0x134) +#define PRCM_DDR_SUBSYS_APE_MINBW (prcmu_base + 0x438) +#define PRCM_CGATING_BYPASS (prcmu_base + 0x134) #define PRCM_CGATING_BYPASS_ICN2 BIT(6) /* Miscellaneous unit registers */ -#define PRCM_RESOUTN_SET (_PRCMU_BASE + 0x214) -#define PRCM_RESOUTN_CLR (_PRCMU_BASE + 0x218) +#define PRCM_RESOUTN_SET (prcmu_base + 0x214) +#define PRCM_RESOUTN_CLR (prcmu_base + 0x218) /* System reset register */ -#define PRCM_APE_SOFTRST (_PRCMU_BASE + 0x228) +#define PRCM_APE_SOFTRST (prcmu_base + 0x228) #endif /* __DB8500_PRCMU_REGS_H */ diff --git a/include/linux/mfd/db8500-prcmu.h b/include/linux/mfd/db8500-prcmu.h index 77a46ae2fc1..0bd69446bb0 100644 --- a/include/linux/mfd/db8500-prcmu.h +++ b/include/linux/mfd/db8500-prcmu.h @@ -489,7 +489,7 @@ struct prcmu_auto_pm_config { #ifdef CONFIG_MFD_DB8500_PRCMU -void db8500_prcmu_early_init(void); +void db8500_prcmu_early_init(u32 phy_base, u32 size); int prcmu_set_rc_a2p(enum romcode_write); enum romcode_read prcmu_get_rc_p2a(void); enum ap_pwrst prcmu_get_xp70_current_state(void); @@ -522,12 +522,6 @@ int db8500_prcmu_load_a9wdog(u8 id, u32 val); void db8500_prcmu_system_reset(u16 reset_code); int db8500_prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll); u8 db8500_prcmu_get_power_state_result(void); -int db8500_prcmu_gic_decouple(void); -int db8500_prcmu_gic_recouple(void); -int db8500_prcmu_copy_gic_settings(void); -bool db8500_prcmu_gic_pending_irq(void); -bool db8500_prcmu_pending_irq(void); -bool db8500_prcmu_is_cpu_in_wfi(int cpu); void db8500_prcmu_enable_wakeups(u32 wakeups); int db8500_prcmu_set_epod(u16 epod_id, u8 epod_state); int db8500_prcmu_request_clock(u8 clock, bool enable); @@ -553,7 +547,7 @@ void db8500_prcmu_write_masked(unsigned int reg, u32 mask, u32 value); #else /* !CONFIG_MFD_DB8500_PRCMU */ -static inline void db8500_prcmu_early_init(void) {} +static inline void db8500_prcmu_early_init(u32 phy_base, u32 size) {} static inline int prcmu_set_rc_a2p(enum romcode_write code) { diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h index 3abcca91eec..689e6a0d9c9 100644 --- a/include/linux/mfd/dbx500-prcmu.h +++ b/include/linux/mfd/dbx500-prcmu.h @@ -237,6 +237,8 @@ struct prcmu_pdata bool enable_set_ddr_opp; bool enable_ape_opp_100_voltage; struct ab8500_platform_data *ab_platdata; + int ab_irq; + int irq_base; u32 version_offset; u32 legacy_offset; u32 adt_offset; @@ -276,9 +278,9 @@ struct prcmu_fw_version { #if defined(CONFIG_UX500_SOC_DB8500) -static inline void __init prcmu_early_init(void) +static inline void prcmu_early_init(u32 phy_base, u32 size) { - return db8500_prcmu_early_init(); + return db8500_prcmu_early_init(phy_base, size); } static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk, @@ -293,36 +295,6 @@ static inline u8 prcmu_get_power_state_result(void) return db8500_prcmu_get_power_state_result(); } -static inline int prcmu_gic_decouple(void) -{ - return db8500_prcmu_gic_decouple(); -} - -static inline int prcmu_gic_recouple(void) -{ - return db8500_prcmu_gic_recouple(); -} - -static inline bool prcmu_gic_pending_irq(void) -{ - return db8500_prcmu_gic_pending_irq(); -} - -static inline bool prcmu_is_cpu_in_wfi(int cpu) -{ - return db8500_prcmu_is_cpu_in_wfi(cpu); -} - -static inline int prcmu_copy_gic_settings(void) -{ - return db8500_prcmu_copy_gic_settings(); -} - -static inline bool prcmu_pending_irq(void) -{ - return db8500_prcmu_pending_irq(); -} - static inline int prcmu_set_epod(u16 epod_id, u8 epod_state) { return db8500_prcmu_set_epod(epod_id, epod_state); @@ -500,7 +472,7 @@ static inline int prcmu_config_a9wdog(u8 num, bool sleep_auto_off) } #else -static inline void __init prcmu_early_init(void) {} +static inline void prcmu_early_init(u32 phy_base, u32 size) {} static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll) diff --git a/include/linux/platform_data/arm-ux500-pm.h b/include/linux/platform_data/arm-ux500-pm.h new file mode 100644 index 00000000000..8dff64b29ec --- /dev/null +++ b/include/linux/platform_data/arm-ux500-pm.h @@ -0,0 +1,21 @@ +/* + * 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 + * + */ + +#ifndef ARM_UX500_PM_H +#define ARM_UX500_PM_H + +int prcmu_gic_decouple(void); +int prcmu_gic_recouple(void); +bool prcmu_gic_pending_irq(void); +bool prcmu_pending_irq(void); +bool prcmu_is_cpu_in_wfi(int cpu); +int prcmu_copy_gic_settings(void); +void ux500_pm_init(u32 phy_base, u32 size); + +#endif /* ARM_UX500_PM_H */ |