diff options
Diffstat (limited to 'drivers/mfd/db8500-prcmu.c')
| -rw-r--r-- | drivers/mfd/db8500-prcmu.c | 1027 |
1 files changed, 833 insertions, 194 deletions
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 02a15d7cb3b..c9ccb8fd72c 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -27,14 +27,16 @@ #include <linux/platform_device.h> #include <linux/uaccess.h> #include <linux/mfd/core.h> -#include <linux/mfd/db8500-prcmu.h> +#include <linux/mfd/dbx500-prcmu.h> #include <linux/regulator/db8500-prcmu.h> #include <linux/regulator/machine.h> #include <mach/hardware.h> #include <mach/irqs.h> #include <mach/db8500-regs.h> #include <mach/id.h> -#include "db8500-prcmu-regs.h" +#include <mach/prcmu-debug.h> + +#include "dbx500-prcmu-regs.h" /* Offset for the firmware version within the TCPM */ #define PRCMU_FW_VERSION_OFFSET 0xA4 @@ -131,12 +133,14 @@ #define MB1H_REQUEST_APE_OPP_100_VOLT 0x3 #define MB1H_RELEASE_APE_OPP_100_VOLT 0x4 #define MB1H_RELEASE_USB_WAKEUP 0x5 +#define MB1H_PLL_ON_OFF 0x6 /* Mailbox 1 Requests */ #define PRCM_REQ_MB1_ARM_OPP (PRCM_REQ_MB1 + 0x0) #define PRCM_REQ_MB1_APE_OPP (PRCM_REQ_MB1 + 0x1) -#define PRCM_REQ_MB1_APE_OPP_100_RESTORE (PRCM_REQ_MB1 + 0x4) -#define PRCM_REQ_MB1_ARM_OPP_100_RESTORE (PRCM_REQ_MB1 + 0x8) +#define PRCM_REQ_MB1_PLL_ON_OFF (PRCM_REQ_MB1 + 0x4) +#define PLL_SOC1_OFF 0x4 +#define PLL_SOC1_ON 0x8 /* Mailbox 1 ACKs */ #define PRCM_ACK_MB1_CURRENT_ARM_OPP (PRCM_ACK_MB1 + 0x0) @@ -184,6 +188,11 @@ #define MB4H_HOTDOG 0x12 #define MB4H_HOTMON 0x13 #define MB4H_HOT_PERIOD 0x14 +#define MB4H_A9WDOG_CONF 0x16 +#define MB4H_A9WDOG_EN 0x17 +#define MB4H_A9WDOG_DIS 0x18 +#define MB4H_A9WDOG_LOAD 0x19 +#define MB4H_A9WDOG_KICK 0x20 /* Mailbox 4 Requests */ #define PRCM_REQ_MB4_DDR_ST_AP_SLEEP_IDLE (PRCM_REQ_MB4 + 0x0) @@ -196,6 +205,13 @@ #define PRCM_REQ_MB4_HOT_PERIOD (PRCM_REQ_MB4 + 0x0) #define HOTMON_CONFIG_LOW BIT(0) #define HOTMON_CONFIG_HIGH BIT(1) +#define PRCM_REQ_MB4_A9WDOG_0 (PRCM_REQ_MB4 + 0x0) +#define PRCM_REQ_MB4_A9WDOG_1 (PRCM_REQ_MB4 + 0x1) +#define PRCM_REQ_MB4_A9WDOG_2 (PRCM_REQ_MB4 + 0x2) +#define PRCM_REQ_MB4_A9WDOG_3 (PRCM_REQ_MB4 + 0x3) +#define A9WDOG_AUTO_OFF_EN BIT(7) +#define A9WDOG_AUTO_OFF_DIS 0 +#define A9WDOG_ID_MASK 0xf /* Mailbox 5 Requests */ #define PRCM_REQ_MB5_I2C_SLAVE_OP (PRCM_REQ_MB5 + 0x0) @@ -327,11 +343,13 @@ static struct { * mb1_transfer - state needed for mailbox 1 communication. * @lock: The transaction lock. * @work: The transaction completion structure. + * @ape_opp: The current APE OPP. * @ack: Reply ("acknowledge") data. */ static struct { struct mutex lock; struct completion work; + u8 ape_opp; struct { u8 header; u8 arm_opp; @@ -406,43 +424,81 @@ static DEFINE_SPINLOCK(gpiocr_lock); static __iomem void *tcdm_base; struct clk_mgt { - unsigned int offset; + void __iomem *reg; u32 pllsw; + int branch; + bool clk38div; +}; + +enum { + PLL_RAW, + PLL_FIX, + PLL_DIV }; static DEFINE_SPINLOCK(clk_mgt_lock); -#define CLK_MGT_ENTRY(_name)[PRCMU_##_name] = { (PRCM_##_name##_MGT), 0 } +#define CLK_MGT_ENTRY(_name, _branch, _clk38div)[PRCMU_##_name] = \ + { (PRCM_##_name##_MGT), 0 , _branch, _clk38div} struct clk_mgt clk_mgt[PRCMU_NUM_REG_CLOCKS] = { - CLK_MGT_ENTRY(SGACLK), - CLK_MGT_ENTRY(UARTCLK), - CLK_MGT_ENTRY(MSP02CLK), - CLK_MGT_ENTRY(MSP1CLK), - CLK_MGT_ENTRY(I2CCLK), - CLK_MGT_ENTRY(SDMMCCLK), - CLK_MGT_ENTRY(SLIMCLK), - CLK_MGT_ENTRY(PER1CLK), - CLK_MGT_ENTRY(PER2CLK), - CLK_MGT_ENTRY(PER3CLK), - CLK_MGT_ENTRY(PER5CLK), - CLK_MGT_ENTRY(PER6CLK), - CLK_MGT_ENTRY(PER7CLK), - CLK_MGT_ENTRY(LCDCLK), - CLK_MGT_ENTRY(BMLCLK), - CLK_MGT_ENTRY(HSITXCLK), - CLK_MGT_ENTRY(HSIRXCLK), - CLK_MGT_ENTRY(HDMICLK), - CLK_MGT_ENTRY(APEATCLK), - CLK_MGT_ENTRY(APETRACECLK), - CLK_MGT_ENTRY(MCDECLK), - CLK_MGT_ENTRY(IPI2CCLK), - CLK_MGT_ENTRY(DSIALTCLK), - CLK_MGT_ENTRY(DMACLK), - CLK_MGT_ENTRY(B2R2CLK), - CLK_MGT_ENTRY(TVCLK), - CLK_MGT_ENTRY(SSPCLK), - CLK_MGT_ENTRY(RNGCLK), - CLK_MGT_ENTRY(UICCCLK), + CLK_MGT_ENTRY(SGACLK, PLL_DIV, false), + CLK_MGT_ENTRY(UARTCLK, PLL_FIX, true), + CLK_MGT_ENTRY(MSP02CLK, PLL_FIX, true), + CLK_MGT_ENTRY(MSP1CLK, PLL_FIX, true), + CLK_MGT_ENTRY(I2CCLK, PLL_FIX, true), + CLK_MGT_ENTRY(SDMMCCLK, PLL_DIV, true), + CLK_MGT_ENTRY(SLIMCLK, PLL_FIX, true), + CLK_MGT_ENTRY(PER1CLK, PLL_DIV, true), + CLK_MGT_ENTRY(PER2CLK, PLL_DIV, true), + CLK_MGT_ENTRY(PER3CLK, PLL_DIV, true), + CLK_MGT_ENTRY(PER5CLK, PLL_DIV, true), + CLK_MGT_ENTRY(PER6CLK, PLL_DIV, true), + CLK_MGT_ENTRY(PER7CLK, PLL_DIV, true), + CLK_MGT_ENTRY(LCDCLK, PLL_FIX, true), + CLK_MGT_ENTRY(BMLCLK, PLL_DIV, true), + CLK_MGT_ENTRY(HSITXCLK, PLL_DIV, true), + CLK_MGT_ENTRY(HSIRXCLK, PLL_DIV, true), + CLK_MGT_ENTRY(HDMICLK, PLL_FIX, false), + CLK_MGT_ENTRY(APEATCLK, PLL_DIV, true), + CLK_MGT_ENTRY(APETRACECLK, PLL_DIV, true), + CLK_MGT_ENTRY(MCDECLK, PLL_DIV, true), + CLK_MGT_ENTRY(IPI2CCLK, PLL_FIX, true), + CLK_MGT_ENTRY(DSIALTCLK, PLL_FIX, false), + CLK_MGT_ENTRY(DMACLK, PLL_DIV, true), + CLK_MGT_ENTRY(B2R2CLK, PLL_DIV, true), + CLK_MGT_ENTRY(TVCLK, PLL_FIX, false), + CLK_MGT_ENTRY(SSPCLK, PLL_FIX, true), + CLK_MGT_ENTRY(RNGCLK, PLL_FIX, true), + CLK_MGT_ENTRY(UICCCLK, PLL_FIX, false), +}; + +static struct regulator *hwacc_regulator[NUM_HW_ACC]; +static struct regulator *hwacc_ret_regulator[NUM_HW_ACC]; + +static bool hwacc_enabled[NUM_HW_ACC]; +static bool hwacc_ret_enabled[NUM_HW_ACC]; + +static const char *hwacc_regulator_name[NUM_HW_ACC] = { + [HW_ACC_SVAMMDSP] = "hwacc-sva-mmdsp", + [HW_ACC_SVAPIPE] = "hwacc-sva-pipe", + [HW_ACC_SIAMMDSP] = "hwacc-sia-mmdsp", + [HW_ACC_SIAPIPE] = "hwacc-sia-pipe", + [HW_ACC_SGA] = "hwacc-sga", + [HW_ACC_B2R2] = "hwacc-b2r2", + [HW_ACC_MCDE] = "hwacc-mcde", + [HW_ACC_ESRAM1] = "hwacc-esram1", + [HW_ACC_ESRAM2] = "hwacc-esram2", + [HW_ACC_ESRAM3] = "hwacc-esram3", + [HW_ACC_ESRAM4] = "hwacc-esram4", +}; + +static const char *hwacc_ret_regulator_name[NUM_HW_ACC] = { + [HW_ACC_SVAMMDSP] = "hwacc-sva-mmdsp-ret", + [HW_ACC_SIAMMDSP] = "hwacc-sia-mmdsp-ret", + [HW_ACC_ESRAM1] = "hwacc-esram1-ret", + [HW_ACC_ESRAM2] = "hwacc-esram2-ret", + [HW_ACC_ESRAM3] = "hwacc-esram3-ret", + [HW_ACC_ESRAM4] = "hwacc-esram4-ret", }; /* @@ -493,55 +549,51 @@ static struct { } prcmu_version; -int prcmu_enable_dsipll(void) +int db8500_prcmu_enable_dsipll(void) { int i; unsigned int plldsifreq; /* Clear DSIPLL_RESETN */ - writel(PRCMU_RESET_DSIPLL, (_PRCMU_BASE + PRCM_APE_RESETN_CLR)); + writel(PRCMU_RESET_DSIPLL, PRCM_APE_RESETN_CLR); /* Unclamp DSIPLL in/out */ - writel(PRCMU_UNCLAMP_DSIPLL, (_PRCMU_BASE + PRCM_MMIP_LS_CLAMP_CLR)); + writel(PRCMU_UNCLAMP_DSIPLL, PRCM_MMIP_LS_CLAMP_CLR); if (prcmu_is_u8400()) plldsifreq = PRCMU_PLLDSI_FREQ_SETTING_U8400; else plldsifreq = PRCMU_PLLDSI_FREQ_SETTING; /* Set DSI PLL FREQ */ - writel(plldsifreq, (_PRCMU_BASE + PRCM_PLLDSI_FREQ)); - writel(PRCMU_DSI_PLLOUT_SEL_SETTING, - (_PRCMU_BASE + PRCM_DSI_PLLOUT_SEL)); + writel(plldsifreq, PRCM_PLLDSI_FREQ); + writel(PRCMU_DSI_PLLOUT_SEL_SETTING, PRCM_DSI_PLLOUT_SEL); /* Enable Escape clocks */ - writel(PRCMU_ENABLE_ESCAPE_CLOCK_DIV, - (_PRCMU_BASE + PRCM_DSITVCLK_DIV)); + writel(PRCMU_ENABLE_ESCAPE_CLOCK_DIV, PRCM_DSITVCLK_DIV); /* Start DSI PLL */ - writel(PRCMU_ENABLE_PLLDSI, (_PRCMU_BASE + PRCM_PLLDSI_ENABLE)); + writel(PRCMU_ENABLE_PLLDSI, PRCM_PLLDSI_ENABLE); /* Reset DSI PLL */ - writel(PRCMU_DSI_RESET_SW, (_PRCMU_BASE + PRCM_DSI_SW_RESET)); + writel(PRCMU_DSI_RESET_SW, PRCM_DSI_SW_RESET); for (i = 0; i < 10; i++) { - if ((readl(_PRCMU_BASE + PRCM_PLLDSI_LOCKP) & - PRCMU_PLLDSI_LOCKP_LOCKED) + if ((readl(PRCM_PLLDSI_LOCKP) & PRCMU_PLLDSI_LOCKP_LOCKED) == PRCMU_PLLDSI_LOCKP_LOCKED) break; udelay(100); } /* Set DSIPLL_RESETN */ - writel(PRCMU_RESET_DSIPLL, (_PRCMU_BASE + PRCM_APE_RESETN_SET)); + writel(PRCMU_RESET_DSIPLL, PRCM_APE_RESETN_SET); return 0; } -int prcmu_disable_dsipll(void) +int db8500_prcmu_disable_dsipll(void) { /* Disable dsi pll */ - writel(PRCMU_DISABLE_PLLDSI, (_PRCMU_BASE + PRCM_PLLDSI_ENABLE)); + writel(PRCMU_DISABLE_PLLDSI, PRCM_PLLDSI_ENABLE); /* Disable escapeclock */ - writel(PRCMU_DISABLE_ESCAPE_CLOCK_DIV, - (_PRCMU_BASE + PRCM_DSITVCLK_DIV)); + writel(PRCMU_DISABLE_ESCAPE_CLOCK_DIV, PRCM_DSITVCLK_DIV); return 0; } -int prcmu_set_display_clocks(void) +int db8500_prcmu_set_display_clocks(void) { unsigned long flags; unsigned int dsiclk; @@ -554,15 +606,15 @@ int prcmu_set_display_clocks(void) spin_lock_irqsave(&clk_mgt_lock, flags); /* Grab the HW semaphore. */ - while ((readl(_PRCMU_BASE + PRCM_SEM) & PRCM_SEM_PRCM_SEM) != 0) + while ((readl(PRCM_SEM) & PRCM_SEM_PRCM_SEM) != 0) cpu_relax(); - writel(dsiclk, (_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)); + writel(dsiclk, PRCM_HDMICLK_MGT); + writel(PRCMU_DSI_LP_CLOCK_SETTING, PRCM_TVCLK_MGT); + writel(PRCMU_DPI_CLOCK_SETTING, PRCM_LCDCLK_MGT); /* Release the HW semaphore. */ - writel(0, (_PRCMU_BASE + PRCM_SEM)); + writel(0, PRCM_SEM); spin_unlock_irqrestore(&clk_mgt_lock, flags); @@ -578,8 +630,8 @@ void prcmu_enable_spi2(void) unsigned long flags; spin_lock_irqsave(&gpiocr_lock, flags); - reg = readl(_PRCMU_BASE + PRCM_GPIOCR); - writel(reg | PRCM_GPIOCR_SPI2_SELECT, _PRCMU_BASE + PRCM_GPIOCR); + reg = readl(PRCM_GPIOCR); + writel(reg | PRCM_GPIOCR_SPI2_SELECT, PRCM_GPIOCR); spin_unlock_irqrestore(&gpiocr_lock, flags); } @@ -592,8 +644,8 @@ void prcmu_disable_spi2(void) unsigned long flags; spin_lock_irqsave(&gpiocr_lock, flags); - reg = readl(_PRCMU_BASE + PRCM_GPIOCR); - writel(reg & ~PRCM_GPIOCR_SPI2_SELECT, _PRCMU_BASE + PRCM_GPIOCR); + reg = readl(PRCM_GPIOCR); + writel(reg & ~PRCM_GPIOCR_SPI2_SELECT, PRCM_GPIOCR); spin_unlock_irqrestore(&gpiocr_lock, flags); } @@ -701,7 +753,7 @@ int prcmu_config_clkout(u8 clkout, u8 source, u8 div) spin_lock_irqsave(&clkout_lock, flags); - val = readl(_PRCMU_BASE + PRCM_CLKOCR); + val = readl(PRCM_CLKOCR); if (val & div_mask) { if (div) { if ((val & mask) != bits) { @@ -715,7 +767,7 @@ int prcmu_config_clkout(u8 clkout, u8 source, u8 div) } } } - writel((bits | (val & ~mask)), (_PRCMU_BASE + PRCM_CLKOCR)); + writel((bits | (val & ~mask)), PRCM_CLKOCR); requests[clkout] += (div ? 1 : -1); unlock_and_return: @@ -724,7 +776,7 @@ unlock_and_return: return r; } -int prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll) +int db8500_prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll) { unsigned long flags; @@ -732,7 +784,7 @@ int prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll) spin_lock_irqsave(&mb0_transfer.lock, flags); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(0)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(0)) cpu_relax(); writeb(MB0H_POWER_STATE_TRANS, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB0)); @@ -741,7 +793,7 @@ int prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll) writeb((keep_ulp_clk ? 1 : 0), (tcdm_base + PRCM_REQ_MB0_ULP_CLOCK_STATE)); writeb(0, (tcdm_base + PRCM_REQ_MB0_DO_NOT_WFI)); - writel(MBOX_BIT(0), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(0), PRCM_MBOX_CPU_SET); spin_unlock_irqrestore(&mb0_transfer.lock, flags); @@ -770,18 +822,18 @@ static void config_wakeups(void) return; for (i = 0; i < 2; i++) { - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(0)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(0)) cpu_relax(); writel(dbb_events, (tcdm_base + PRCM_REQ_MB0_WAKEUP_8500)); writel(abb_events, (tcdm_base + PRCM_REQ_MB0_WAKEUP_4500)); writeb(header[i], (tcdm_base + PRCM_MBOX_HEADER_REQ_MB0)); - writel(MBOX_BIT(0), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(0), PRCM_MBOX_CPU_SET); } last_dbb_events = dbb_events; last_abb_events = abb_events; } -void prcmu_enable_wakeups(u32 wakeups) +void db8500_prcmu_enable_wakeups(u32 wakeups) { unsigned long flags; u32 bits; @@ -802,7 +854,7 @@ void prcmu_enable_wakeups(u32 wakeups) spin_unlock_irqrestore(&mb0_transfer.lock, flags); } -void prcmu_config_abb_event_readout(u32 abb_events) +void db8500_prcmu_config_abb_event_readout(u32 abb_events) { unsigned long flags; @@ -814,7 +866,7 @@ void prcmu_config_abb_event_readout(u32 abb_events) spin_unlock_irqrestore(&mb0_transfer.lock, flags); } -void prcmu_get_abb_event_buffer(void __iomem **buf) +void db8500_prcmu_get_abb_event_buffer(void __iomem **buf) { if (readb(tcdm_base + PRCM_ACK_MB0_READ_POINTER) & 1) *buf = (tcdm_base + PRCM_ACK_MB0_WAKEUP_1_4500); @@ -823,13 +875,13 @@ void prcmu_get_abb_event_buffer(void __iomem **buf) } /** - * prcmu_set_arm_opp - set the appropriate ARM OPP + * db8500_prcmu_set_arm_opp - set the appropriate ARM OPP * @opp: The new ARM operating point to which transition is to be made * Returns: 0 on success, non-zero on failure * * This function sets the the operating point of the ARM. */ -int prcmu_set_arm_opp(u8 opp) +int db8500_prcmu_set_arm_opp(u8 opp) { int r; @@ -840,14 +892,14 @@ int prcmu_set_arm_opp(u8 opp) mutex_lock(&mb1_transfer.lock); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(1)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(1)) cpu_relax(); writeb(MB1H_ARM_APE_OPP, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB1)); writeb(opp, (tcdm_base + PRCM_REQ_MB1_ARM_OPP)); writeb(APE_NO_CHANGE, (tcdm_base + PRCM_REQ_MB1_APE_OPP)); - writel(MBOX_BIT(1), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET); wait_for_completion(&mb1_transfer.work); if ((mb1_transfer.ack.header != MB1H_ARM_APE_OPP) || @@ -856,84 +908,150 @@ int prcmu_set_arm_opp(u8 opp) mutex_unlock(&mb1_transfer.lock); + prcmu_debug_arm_opp_log(opp); + return r; } /** - * prcmu_get_arm_opp - get the current ARM OPP + * db8500_prcmu_get_arm_opp - get the current ARM OPP * * Returns: the current ARM OPP */ -int prcmu_get_arm_opp(void) +int db8500_prcmu_get_arm_opp(void) { return readb(tcdm_base + PRCM_ACK_MB1_CURRENT_ARM_OPP); } /** - * prcmu_get_ddr_opp - get the current DDR OPP + * db8500_prcmu_get_ddr_opp - get the current DDR OPP * * Returns: the current DDR OPP */ -int prcmu_get_ddr_opp(void) +int db8500_prcmu_get_ddr_opp(void) { - return readb(_PRCMU_BASE + PRCM_DDR_SUBSYS_APE_MINBW); + return readb(PRCM_DDR_SUBSYS_APE_MINBW); } /** - * set_ddr_opp - set the appropriate DDR OPP + * db8500_set_ddr_opp - set the appropriate DDR OPP * @opp: The new DDR operating point to which transition is to be made * Returns: 0 on success, non-zero on failure * * This function sets the operating point of the DDR. */ -int prcmu_set_ddr_opp(u8 opp) +int db8500_prcmu_set_ddr_opp(u8 opp) { if (opp < DDR_100_OPP || opp > DDR_25_OPP) return -EINVAL; /* Changing the DDR OPP can hang the hardware pre-v21 */ if (cpu_is_u8500v20_or_later() && !cpu_is_u8500v20()) - writeb(opp, (_PRCMU_BASE + PRCM_DDR_SUBSYS_APE_MINBW)); + writeb(opp, PRCM_DDR_SUBSYS_APE_MINBW); return 0; } + +/* 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[] = { + PRCM_ACLK_MGT, + PRCM_DMACLK_MGT + }; + unsigned long flags; + unsigned int i; + + spin_lock_irqsave(&clk_mgt_lock, flags); + + /* Grab the HW semaphore. */ + while ((readl(PRCM_SEM) & PRCM_SEM_PRCM_SEM) != 0) + cpu_relax(); + + for (i = 0; i < ARRAY_SIZE(clock_reg); i++) { + u32 val; + u32 div; + + val = readl(clock_reg[i]); + div = (val & PRCM_CLK_MGT_CLKPLLDIV_MASK); + if (enable) { + if ((div <= 1) || (div > 15)) { + pr_err("prcmu: Bad clock divider %d in %s\n", + div, __func__); + goto unlock_and_return; + } + div <<= 1; + } else { + if (div <= 2) + goto unlock_and_return; + div >>= 1; + } + val = ((val & ~PRCM_CLK_MGT_CLKPLLDIV_MASK) | + (div & PRCM_CLK_MGT_CLKPLLDIV_MASK)); + writel(val, clock_reg[i]); + } + +unlock_and_return: + /* Release the HW semaphore. */ + writel(0, PRCM_SEM); + + spin_unlock_irqrestore(&clk_mgt_lock, flags); +} + /** - * set_ape_opp - set the appropriate APE OPP + * db8500_set_ape_opp - set the appropriate APE OPP * @opp: The new APE operating point to which transition is to be made * Returns: 0 on success, non-zero on failure * * This function sets the operating point of the APE. */ -int prcmu_set_ape_opp(u8 opp) +int db8500_prcmu_set_ape_opp(u8 opp) { int r = 0; + if (opp == mb1_transfer.ape_opp) + return 0; + mutex_lock(&mb1_transfer.lock); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(1)) + if (mb1_transfer.ape_opp == APE_50_PARTLY_25_OPP) + request_even_slower_clocks(false); + + if ((opp != APE_100_OPP) && (mb1_transfer.ape_opp != APE_100_OPP)) + goto skip_message; + + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(1)) cpu_relax(); writeb(MB1H_ARM_APE_OPP, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB1)); writeb(ARM_NO_CHANGE, (tcdm_base + PRCM_REQ_MB1_ARM_OPP)); - writeb(opp, (tcdm_base + PRCM_REQ_MB1_APE_OPP)); + writeb(((opp == APE_50_PARTLY_25_OPP) ? APE_50_OPP : opp), + (tcdm_base + PRCM_REQ_MB1_APE_OPP)); - writel(MBOX_BIT(1), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET); wait_for_completion(&mb1_transfer.work); if ((mb1_transfer.ack.header != MB1H_ARM_APE_OPP) || (mb1_transfer.ack.ape_opp != opp)) r = -EIO; +skip_message: + if ((!r && (opp == APE_50_PARTLY_25_OPP)) || + (r && (mb1_transfer.ape_opp == APE_50_PARTLY_25_OPP))) + request_even_slower_clocks(true); + if (!r) + mb1_transfer.ape_opp = opp; + mutex_unlock(&mb1_transfer.lock); return r; } /** - * prcmu_get_ape_opp - get the current APE OPP + * db8500_prcmu_get_ape_opp - get the current APE OPP * * Returns: the current APE OPP */ -int prcmu_get_ape_opp(void) +int db8500_prcmu_get_ape_opp(void) { return readb(tcdm_base + PRCM_ACK_MB1_CURRENT_APE_OPP); } @@ -966,12 +1084,12 @@ int prcmu_request_ape_opp_100_voltage(bool enable) header = MB1H_RELEASE_APE_OPP_100_VOLT; } - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(1)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(1)) cpu_relax(); writeb(header, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB1)); - writel(MBOX_BIT(1), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET); wait_for_completion(&mb1_transfer.work); if ((mb1_transfer.ack.header != header) || @@ -995,13 +1113,13 @@ int prcmu_release_usb_wakeup_state(void) mutex_lock(&mb1_transfer.lock); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(1)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(1)) cpu_relax(); writeb(MB1H_RELEASE_USB_WAKEUP, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB1)); - writel(MBOX_BIT(1), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET); wait_for_completion(&mb1_transfer.work); if ((mb1_transfer.ack.header != MB1H_RELEASE_USB_WAKEUP) || @@ -1013,15 +1131,169 @@ int prcmu_release_usb_wakeup_state(void) return r; } +static int request_pll(u8 clock, bool enable) +{ + int r = 0; + + if (clock == PRCMU_PLLSOC1) + clock = (enable ? PLL_SOC1_ON : PLL_SOC1_OFF); + else + return -EINVAL; + + mutex_lock(&mb1_transfer.lock); + + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(1)) + cpu_relax(); + + writeb(MB1H_PLL_ON_OFF, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB1)); + writeb(clock, (tcdm_base + PRCM_REQ_MB1_PLL_ON_OFF)); + + writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET); + wait_for_completion(&mb1_transfer.work); + + if (mb1_transfer.ack.header != MB1H_PLL_ON_OFF) + r = -EIO; + + mutex_unlock(&mb1_transfer.lock); + + return r; +} + +/** + * prcmu_set_hwacc - set the power state of a h/w accelerator + * @hwacc_dev: The hardware accelerator (enum hw_acc_dev). + * @state: The new power state (enum hw_acc_state). + * + * This function sets the power state of a hardware accelerator. + * This function should not be called from interrupt context. + * + * NOTE! Deprecated, to be removed when all users switched over to use the + * regulator framework API. + */ +int prcmu_set_hwacc(u16 hwacc_dev, u8 state) +{ + int r = 0; + bool ram_retention = false; + bool enable, enable_ret; + + /* check argument */ + BUG_ON(hwacc_dev >= NUM_HW_ACC); + + /* get state of switches */ + enable = hwacc_enabled[hwacc_dev]; + enable_ret = hwacc_ret_enabled[hwacc_dev]; + + /* set flag if retention is possible */ + switch (hwacc_dev) { + case HW_ACC_SVAMMDSP: + case HW_ACC_SIAMMDSP: + case HW_ACC_ESRAM1: + case HW_ACC_ESRAM2: + case HW_ACC_ESRAM3: + case HW_ACC_ESRAM4: + ram_retention = true; + break; + } + + /* check argument */ + BUG_ON(state > HW_ON); + BUG_ON(state == HW_OFF_RAMRET && !ram_retention); + + /* modify enable flags */ + switch (state) { + case HW_OFF: + enable_ret = false; + enable = false; + break; + case HW_ON: + enable = true; + break; + case HW_OFF_RAMRET: + enable_ret = true; + enable = false; + break; + } + + /* get regulator (lazy) */ + if (hwacc_regulator[hwacc_dev] == NULL) { + hwacc_regulator[hwacc_dev] = regulator_get(NULL, + hwacc_regulator_name[hwacc_dev]); + if (IS_ERR(hwacc_regulator[hwacc_dev])) { + pr_err("prcmu: failed to get supply %s\n", + hwacc_regulator_name[hwacc_dev]); + r = PTR_ERR(hwacc_regulator[hwacc_dev]); + goto out; + } + } + + if (ram_retention) { + if (hwacc_ret_regulator[hwacc_dev] == NULL) { + hwacc_ret_regulator[hwacc_dev] = regulator_get(NULL, + hwacc_ret_regulator_name[hwacc_dev]); + if (IS_ERR(hwacc_ret_regulator[hwacc_dev])) { + pr_err("prcmu: failed to get supply %s\n", + hwacc_ret_regulator_name[hwacc_dev]); + r = PTR_ERR(hwacc_ret_regulator[hwacc_dev]); + goto out; + } + } + } + + /* set regulators */ + if (ram_retention) { + if (enable_ret && !hwacc_ret_enabled[hwacc_dev]) { + r = regulator_enable(hwacc_ret_regulator[hwacc_dev]); + if (r < 0) { + pr_err("prcmu_set_hwacc: ret enable failed\n"); + goto out; + } + hwacc_ret_enabled[hwacc_dev] = true; + } + } + + if (enable && !hwacc_enabled[hwacc_dev]) { + r = regulator_enable(hwacc_regulator[hwacc_dev]); + if (r < 0) { + pr_err("prcmu_set_hwacc: enable failed\n"); + goto out; + } + hwacc_enabled[hwacc_dev] = true; + } + + if (!enable && hwacc_enabled[hwacc_dev]) { + r = regulator_disable(hwacc_regulator[hwacc_dev]); + if (r < 0) { + pr_err("prcmu_set_hwacc: disable failed\n"); + goto out; + } + hwacc_enabled[hwacc_dev] = false; + } + + if (ram_retention) { + if (!enable_ret && hwacc_ret_enabled[hwacc_dev]) { + r = regulator_disable(hwacc_ret_regulator[hwacc_dev]); + if (r < 0) { + pr_err("prcmu_set_hwacc: ret disable failed\n"); + goto out; + } + hwacc_ret_enabled[hwacc_dev] = false; + } + } + +out: + return r; +} +EXPORT_SYMBOL(prcmu_set_hwacc); + /** - * prcmu_set_epod - set the state of a EPOD (power domain) + * db8500_prcmu_set_epod - set the state of a EPOD (power domain) * @epod_id: The EPOD to set * @epod_state: The new EPOD state * * This function sets the state of a EPOD (power domain). It may not be called * from interrupt context. */ -int prcmu_set_epod(u16 epod_id, u8 epod_state) +int db8500_prcmu_set_epod(u16 epod_id, u8 epod_state) { int r = 0; bool ram_retention = false; @@ -1048,7 +1320,7 @@ int prcmu_set_epod(u16 epod_id, u8 epod_state) mutex_lock(&mb2_transfer.lock); /* wait for mailbox */ - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(2)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(2)) cpu_relax(); /* fill in mailbox */ @@ -1058,7 +1330,7 @@ int prcmu_set_epod(u16 epod_id, u8 epod_state) writeb(MB2H_DPS, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB2)); - writel(MBOX_BIT(2), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(2), PRCM_MBOX_CPU_SET); /* * The current firmware version does not handle errors correctly, @@ -1145,13 +1417,13 @@ static int request_sysclk(bool enable) spin_lock_irqsave(&mb3_transfer.lock, flags); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(3)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(3)) cpu_relax(); writeb((enable ? ON : OFF), (tcdm_base + PRCM_REQ_MB3_SYSCLK_MGT)); writeb(MB3H_SYSCLK, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB3)); - writel(MBOX_BIT(3), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(3), PRCM_MBOX_CPU_SET); spin_unlock_irqrestore(&mb3_transfer.lock, flags); @@ -1177,12 +1449,12 @@ static int request_timclk(bool enable) if (!enable) val |= PRCM_TCR_STOP_TIMERS; - writel(val, (_PRCMU_BASE + PRCM_TCR)); + writel(val, PRCM_TCR); return 0; } -static int request_reg_clock(u8 clock, bool enable) +static int request_clock(u8 clock, bool enable) { u32 val; unsigned long flags; @@ -1190,47 +1462,289 @@ static int request_reg_clock(u8 clock, bool enable) spin_lock_irqsave(&clk_mgt_lock, flags); /* Grab the HW semaphore. */ - while ((readl(_PRCMU_BASE + PRCM_SEM) & PRCM_SEM_PRCM_SEM) != 0) + while ((readl(PRCM_SEM) & PRCM_SEM_PRCM_SEM) != 0) cpu_relax(); - val = readl(_PRCMU_BASE + clk_mgt[clock].offset); + val = readl(clk_mgt[clock].reg); 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, (_PRCMU_BASE + clk_mgt[clock].offset)); + writel(val, clk_mgt[clock].reg); /* Release the HW semaphore. */ - writel(0, (_PRCMU_BASE + PRCM_SEM)); + writel(0, PRCM_SEM); spin_unlock_irqrestore(&clk_mgt_lock, flags); return 0; } +static int request_sga_clock(u8 clock, bool enable) +{ + u32 val; + int ret; + + if (enable) { + val = readl(PRCM_CGATING_BYPASS); + writel(val | PRCM_CGATING_BYPASS_ICN2, PRCM_CGATING_BYPASS); + } + + ret = request_clock(clock, enable); + + if (!ret && !enable) { + val = readl(PRCM_CGATING_BYPASS); + writel(val & ~PRCM_CGATING_BYPASS_ICN2, PRCM_CGATING_BYPASS); + } + + return ret; +} + /** - * prcmu_request_clock() - Request for a clock to be enabled or disabled. + * db8500_prcmu_request_clock() - Request for a clock to be enabled or disabled. * @clock: The clock for which the request is made. * @enable: Whether the clock should be enabled (true) or disabled (false). * * This function should only be used by the clock implementation. * Do not use it from any other place! */ -int prcmu_request_clock(u8 clock, bool enable) +int db8500_prcmu_request_clock(u8 clock, bool enable) { - if (clock < PRCMU_NUM_REG_CLOCKS) - return request_reg_clock(clock, enable); + if (clock == PRCMU_SGACLK) + return request_sga_clock(clock, enable); + else if (clock < PRCMU_NUM_REG_CLOCKS) + return request_clock(clock, enable); else if (clock == PRCMU_TIMCLK) return request_timclk(enable); else if (clock == PRCMU_SYSCLK) return request_sysclk(enable); + else if (clock == PRCMU_PLLSOC1) + return request_pll(clock, enable); else return -EINVAL; } -int prcmu_config_esram0_deep_sleep(u8 state) +static unsigned long pll_rate(void __iomem *reg, unsigned long src_rate, + int branch) +{ + u64 rate; + u32 val; + u32 d; + u32 div = 1; + + val = readl(reg); + + rate = src_rate; + rate *= ((val & PRCM_PLL_FREQ_D_MASK) >> PRCM_PLL_FREQ_D_SHIFT); + + d = ((val & PRCM_PLL_FREQ_N_MASK) >> PRCM_PLL_FREQ_N_SHIFT); + if (d > 1) + div *= d; + + d = ((val & PRCM_PLL_FREQ_R_MASK) >> PRCM_PLL_FREQ_R_SHIFT); + if (d > 1) + div *= d; + + if (val & PRCM_PLL_FREQ_SELDIV2) + div *= 2; + + if ((branch == PLL_FIX) || ((branch == PLL_DIV) && + (val & PRCM_PLL_FREQ_DIV2EN) && + ((reg == PRCM_PLLSOC0_FREQ) || + (reg == PRCM_PLLDDR_FREQ)))) + div *= 2; + + (void)do_div(rate, div); + + return (unsigned long)rate; +} + +#define ROOT_CLOCK_RATE 38400000 + +static unsigned long clock_rate(u8 clock) +{ + u32 val; + u32 pllsw; + unsigned long rate = ROOT_CLOCK_RATE; + + val = readl(clk_mgt[clock].reg); + + if (val & PRCM_CLK_MGT_CLK38) { + if (clk_mgt[clock].clk38div && (val & PRCM_CLK_MGT_CLK38DIV)) + rate /= 2; + return rate; + } + + val |= clk_mgt[clock].pllsw; + pllsw = (val & PRCM_CLK_MGT_CLKPLLSW_MASK); + + if (pllsw == PRCM_CLK_MGT_CLKPLLSW_SOC0) + rate = pll_rate(PRCM_PLLSOC0_FREQ, rate, clk_mgt[clock].branch); + else if (pllsw == PRCM_CLK_MGT_CLKPLLSW_SOC1) + rate = pll_rate(PRCM_PLLSOC1_FREQ, rate, clk_mgt[clock].branch); + else if (pllsw == PRCM_CLK_MGT_CLKPLLSW_DDR) + rate = pll_rate(PRCM_PLLDDR_FREQ, rate, clk_mgt[clock].branch); + else + return 0; + + if ((clock == PRCMU_SGACLK) && + (val & PRCM_SGACLK_MGT_SGACLKDIV_BY_2_5_EN)) { + u64 r = (rate * 10); + + (void)do_div(r, 25); + return (unsigned long)r; + } + val &= PRCM_CLK_MGT_CLKPLLDIV_MASK; + if (val) + return rate / val; + else + return 0; +} + +unsigned long prcmu_clock_rate(u8 clock) +{ + if (clock < PRCMU_NUM_REG_CLOCKS) + return clock_rate(clock); + else if (clock == PRCMU_TIMCLK) + return ROOT_CLOCK_RATE / 16; + else if (clock == PRCMU_SYSCLK) + return ROOT_CLOCK_RATE; + else if (clock == PRCMU_PLLSOC0) + return pll_rate(PRCM_PLLSOC0_FREQ, ROOT_CLOCK_RATE, PLL_RAW); + else if (clock == PRCMU_PLLSOC1) + return pll_rate(PRCM_PLLSOC1_FREQ, ROOT_CLOCK_RATE, PLL_RAW); + else if (clock == PRCMU_PLLDDR) + return pll_rate(PRCM_PLLDDR_FREQ, ROOT_CLOCK_RATE, PLL_RAW); + else + return 0; +} + +static unsigned long clock_source_rate(u32 clk_mgt_val, int branch) +{ + if (clk_mgt_val & PRCM_CLK_MGT_CLK38) + return ROOT_CLOCK_RATE; + clk_mgt_val &= PRCM_CLK_MGT_CLKPLLSW_MASK; + if (clk_mgt_val == PRCM_CLK_MGT_CLKPLLSW_SOC0) + return pll_rate(PRCM_PLLSOC0_FREQ, ROOT_CLOCK_RATE, branch); + else if (clk_mgt_val == PRCM_CLK_MGT_CLKPLLSW_SOC1) + return pll_rate(PRCM_PLLSOC1_FREQ, ROOT_CLOCK_RATE, branch); + else if (clk_mgt_val == PRCM_CLK_MGT_CLKPLLSW_DDR) + return pll_rate(PRCM_PLLDDR_FREQ, ROOT_CLOCK_RATE, branch); + else + return 0; +} + +static u32 clock_divider(unsigned long src_rate, unsigned long rate) +{ + u32 div; + + div = (src_rate / rate); + if (div == 0) + return 1; + if (rate < (src_rate / div)) + div++; + if (div > 31) + div = 31; + return div; +} + +static long round_clock_rate(u8 clock, unsigned long rate) +{ + u32 val; + u32 div; + unsigned long src_rate; + long rounded_rate; + + val = readl(clk_mgt[clock].reg); + src_rate = clock_source_rate((val | clk_mgt[clock].pllsw), + clk_mgt[clock].branch); + div = clock_divider(src_rate, rate); + if (val & PRCM_CLK_MGT_CLK38) { + if (clk_mgt[clock].clk38div) { + if (div > 2) + div = 2; + } else { + div = 1; + } + } else if ((clock == PRCMU_SGACLK) && (div == 3)) { + u64 r = (src_rate * 10); + + (void)do_div(r, 25); + if (r <= rate) + return (unsigned long)r; + } + rounded_rate = (src_rate / div); + + return rounded_rate; +} + +long prcmu_round_clock_rate(u8 clock, unsigned long rate) +{ + if (clock < PRCMU_NUM_REG_CLOCKS) + return round_clock_rate(clock, rate); + else + return (long)prcmu_clock_rate(clock); +} + +static void set_clock_rate(u8 clock, unsigned long rate) +{ + u32 val; + u32 div; + unsigned long src_rate; + unsigned long flags; + + spin_lock_irqsave(&clk_mgt_lock, flags); + + /* Grab the HW semaphore. */ + while ((readl(PRCM_SEM) & PRCM_SEM_PRCM_SEM) != 0) + cpu_relax(); + + val = readl(clk_mgt[clock].reg); + src_rate = clock_source_rate((val | clk_mgt[clock].pllsw), + clk_mgt[clock].branch); + div = clock_divider(src_rate, rate); + if (val & PRCM_CLK_MGT_CLK38) { + if (clk_mgt[clock].clk38div) { + if (div > 1) + val |= PRCM_CLK_MGT_CLK38DIV; + else + val &= ~PRCM_CLK_MGT_CLK38DIV; + } + } else if (clock == PRCMU_SGACLK) { + val &= ~(PRCM_CLK_MGT_CLKPLLDIV_MASK | + PRCM_SGACLK_MGT_SGACLKDIV_BY_2_5_EN); + if (div == 3) { + u64 r = (src_rate * 10); + + (void)do_div(r, 25); + if (r <= rate) { + val |= PRCM_SGACLK_MGT_SGACLKDIV_BY_2_5_EN; + div = 0; + } + } + val |= div; + } else { + val &= ~PRCM_CLK_MGT_CLKPLLDIV_MASK; + val |= div; + } + writel(val, clk_mgt[clock].reg); + + /* Release the HW semaphore. */ + writel(0, PRCM_SEM); + + spin_unlock_irqrestore(&clk_mgt_lock, flags); +} + +int prcmu_set_clock_rate(u8 clock, unsigned long rate) +{ + if (clock < PRCMU_NUM_REG_CLOCKS) + set_clock_rate(clock, rate); + return 0; +} + +int db8500_prcmu_config_esram0_deep_sleep(u8 state) { if ((state > ESRAM0_DEEP_SLEEP_STATE_RET) || (state < ESRAM0_DEEP_SLEEP_STATE_OFF)) @@ -1238,7 +1752,7 @@ int prcmu_config_esram0_deep_sleep(u8 state) mutex_lock(&mb4_transfer.lock); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(4)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(4)) cpu_relax(); writeb(MB4H_MEM_ST, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB4)); @@ -1248,7 +1762,7 @@ int prcmu_config_esram0_deep_sleep(u8 state) (tcdm_base + PRCM_REQ_MB4_DDR_ST_AP_DEEP_IDLE)); writeb(state, (tcdm_base + PRCM_REQ_MB4_ESRAM0_ST)); - writel(MBOX_BIT(4), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(4), PRCM_MBOX_CPU_SET); wait_for_completion(&mb4_transfer.work); mutex_unlock(&mb4_transfer.lock); @@ -1256,17 +1770,17 @@ int prcmu_config_esram0_deep_sleep(u8 state) return 0; } -int prcmu_config_hotdog(u8 threshold) +int db8500_prcmu_config_hotdog(u8 threshold) { mutex_lock(&mb4_transfer.lock); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(4)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(4)) cpu_relax(); writeb(threshold, (tcdm_base + PRCM_REQ_MB4_HOTDOG_THRESHOLD)); writeb(MB4H_HOTDOG, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB4)); - writel(MBOX_BIT(4), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(4), PRCM_MBOX_CPU_SET); wait_for_completion(&mb4_transfer.work); mutex_unlock(&mb4_transfer.lock); @@ -1274,11 +1788,11 @@ int prcmu_config_hotdog(u8 threshold) return 0; } -int prcmu_config_hotmon(u8 low, u8 high) +int db8500_prcmu_config_hotmon(u8 low, u8 high) { mutex_lock(&mb4_transfer.lock); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(4)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(4)) cpu_relax(); writeb(low, (tcdm_base + PRCM_REQ_MB4_HOTMON_LOW)); @@ -1287,7 +1801,7 @@ int prcmu_config_hotmon(u8 low, u8 high) (tcdm_base + PRCM_REQ_MB4_HOTMON_CONFIG)); writeb(MB4H_HOTMON, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB4)); - writel(MBOX_BIT(4), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(4), PRCM_MBOX_CPU_SET); wait_for_completion(&mb4_transfer.work); mutex_unlock(&mb4_transfer.lock); @@ -1299,13 +1813,13 @@ static int config_hot_period(u16 val) { mutex_lock(&mb4_transfer.lock); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(4)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(4)) cpu_relax(); writew(val, (tcdm_base + PRCM_REQ_MB4_HOT_PERIOD)); writeb(MB4H_HOT_PERIOD, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB4)); - writel(MBOX_BIT(4), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(4), PRCM_MBOX_CPU_SET); wait_for_completion(&mb4_transfer.work); mutex_unlock(&mb4_transfer.lock); @@ -1313,7 +1827,7 @@ static int config_hot_period(u16 val) return 0; } -int prcmu_start_temp_sense(u16 cycles32k) +int db8500_prcmu_start_temp_sense(u16 cycles32k) { if (cycles32k == 0xFFFF) return -EINVAL; @@ -1321,44 +1835,73 @@ int prcmu_start_temp_sense(u16 cycles32k) return config_hot_period(cycles32k); } -int prcmu_stop_temp_sense(void) +int db8500_prcmu_stop_temp_sense(void) { return config_hot_period(0xFFFF); } -/** - * prcmu_set_clock_divider() - Configure the clock divider. - * @clock: The clock for which the request is made. - * @divider: The clock divider. (< 32) - * - * This function should only be used by the clock implementation. - * Do not use it from any other place! - */ -int prcmu_set_clock_divider(u8 clock, u8 divider) +static int prcmu_a9wdog(u8 cmd, u8 d0, u8 d1, u8 d2, u8 d3) { - u32 val; - unsigned long flags; - - if ((clock >= PRCMU_NUM_REG_CLOCKS) || (divider < 1) || (31 < divider)) - return -EINVAL; - spin_lock_irqsave(&clk_mgt_lock, flags); + mutex_lock(&mb4_transfer.lock); - /* Grab the HW semaphore. */ - while ((readl(_PRCMU_BASE + PRCM_SEM) & PRCM_SEM_PRCM_SEM) != 0) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(4)) cpu_relax(); - val = readl(_PRCMU_BASE + clk_mgt[clock].offset); - val &= ~(PRCM_CLK_MGT_CLKPLLDIV_MASK); - val |= (u32)divider; - writel(val, (_PRCMU_BASE + clk_mgt[clock].offset)); + writeb(d0, (tcdm_base + PRCM_REQ_MB4_A9WDOG_0)); + writeb(d1, (tcdm_base + PRCM_REQ_MB4_A9WDOG_1)); + writeb(d2, (tcdm_base + PRCM_REQ_MB4_A9WDOG_2)); + writeb(d3, (tcdm_base + PRCM_REQ_MB4_A9WDOG_3)); - /* Release the HW semaphore. */ - writel(0, (_PRCMU_BASE + PRCM_SEM)); + writeb(cmd, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB4)); - spin_unlock_irqrestore(&clk_mgt_lock, flags); + writel(MBOX_BIT(4), PRCM_MBOX_CPU_SET); + wait_for_completion(&mb4_transfer.work); + + mutex_unlock(&mb4_transfer.lock); return 0; + +} + +int prcmu_config_a9wdog(u8 num, bool sleep_auto_off) +{ + BUG_ON(num == 0 || num > 0xf); + return prcmu_a9wdog(MB4H_A9WDOG_CONF, num, 0, 0, + sleep_auto_off ? A9WDOG_AUTO_OFF_EN : + A9WDOG_AUTO_OFF_DIS); +} + +int prcmu_enable_a9wdog(u8 id) +{ + return prcmu_a9wdog(MB4H_A9WDOG_EN, id, 0, 0, 0); +} + +int prcmu_disable_a9wdog(u8 id) +{ + return prcmu_a9wdog(MB4H_A9WDOG_DIS, id, 0, 0, 0); +} + +int prcmu_kick_a9wdog(u8 id) +{ + return prcmu_a9wdog(MB4H_A9WDOG_KICK, id, 0, 0, 0); +} + +/* + * timeout is 28 bit, in ms. + */ +int prcmu_load_a9wdog(u8 id, u32 timeout) +{ + return prcmu_a9wdog(MB4H_A9WDOG_LOAD, + (id & A9WDOG_ID_MASK) | + /* + * Put the lowest 28 bits of timeout at + * offset 4. Four first bits are used for id. + */ + (u8)((timeout << 4) & 0xf0), + (u8)((timeout >> 4) & 0xff), + (u8)((timeout >> 12) & 0xff), + (u8)((timeout >> 20) & 0xff)); } /** @@ -1380,7 +1923,7 @@ int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size) mutex_lock(&mb5_transfer.lock); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(5)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(5)) cpu_relax(); writeb(PRCMU_I2C_READ(slave), (tcdm_base + PRCM_REQ_MB5_I2C_SLAVE_OP)); @@ -1388,7 +1931,7 @@ int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size) writeb(reg, (tcdm_base + PRCM_REQ_MB5_I2C_REG)); writeb(0, (tcdm_base + PRCM_REQ_MB5_I2C_VAL)); - writel(MBOX_BIT(5), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(5), PRCM_MBOX_CPU_SET); if (!wait_for_completion_timeout(&mb5_transfer.work, msecs_to_jiffies(20000))) { @@ -1426,7 +1969,7 @@ int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size) mutex_lock(&mb5_transfer.lock); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(5)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(5)) cpu_relax(); writeb(PRCMU_I2C_WRITE(slave), (tcdm_base + PRCM_REQ_MB5_I2C_SLAVE_OP)); @@ -1434,7 +1977,7 @@ int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size) writeb(reg, (tcdm_base + PRCM_REQ_MB5_I2C_REG)); writeb(*value, (tcdm_base + PRCM_REQ_MB5_I2C_VAL)); - writel(MBOX_BIT(5), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(5), PRCM_MBOX_CPU_SET); if (!wait_for_completion_timeout(&mb5_transfer.work, msecs_to_jiffies(20000))) { @@ -1456,21 +1999,44 @@ int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size) void prcmu_ac_wake_req(void) { u32 val; + u32 status; mutex_lock(&mb0_transfer.ac_wake_lock); - val = readl(_PRCMU_BASE + PRCM_HOSTACCESS_REQ); + val = readl(PRCM_HOSTACCESS_REQ); if (val & PRCM_HOSTACCESS_REQ_HOSTACCESS_REQ) goto unlock_and_return; atomic_set(&ac_wake_req_state, 1); - writel((val | PRCM_HOSTACCESS_REQ_HOSTACCESS_REQ), - (_PRCMU_BASE + PRCM_HOSTACCESS_REQ)); +retry: + writel((val | PRCM_HOSTACCESS_REQ_HOSTACCESS_REQ), PRCM_HOSTACCESS_REQ); if (!wait_for_completion_timeout(&mb0_transfer.ac_wake_work, - msecs_to_jiffies(20000))) { - pr_err("prcmu: %s timed out (20 s) waiting for a reply.\n", + msecs_to_jiffies(5000))) { + panic("prcmu: %s timed out (5 s) waiting for a reply.\n", + __func__); + goto unlock_and_return; + } + + /* + * The modem can generate an AC_WAKE_ACK, and then still go to sleep. + * As a workaround, we wait, and then check that the modem is indeed + * awake (in terms of the value of the PRCM_MOD_AWAKE_STATUS + * register, which may not be the whole truth). + */ + udelay(400); + status = (readl(PRCM_MOD_AWAKE_STATUS) & BITS(0, 2)); + if (status != (PRCM_MOD_AWAKE_STATUS_PRCM_MOD_AAPD_AWAKE | + PRCM_MOD_AWAKE_STATUS_PRCM_MOD_COREPD_AWAKE)) { + pr_err("prcmu: %s received ack, but modem not awake (0x%X).\n", + __func__, status); + udelay(1200); + writel(val, PRCM_HOSTACCESS_REQ); + if (wait_for_completion_timeout(&mb0_transfer.ac_wake_work, + msecs_to_jiffies(5000))) + goto retry; + panic("prcmu: %s timed out (5 s) waiting for AC_SLEEP_ACK.\n", __func__); } @@ -1487,16 +2053,16 @@ void prcmu_ac_sleep_req() mutex_lock(&mb0_transfer.ac_wake_lock); - val = readl(_PRCMU_BASE + PRCM_HOSTACCESS_REQ); + val = readl(PRCM_HOSTACCESS_REQ); if (!(val & PRCM_HOSTACCESS_REQ_HOSTACCESS_REQ)) goto unlock_and_return; writel((val & ~PRCM_HOSTACCESS_REQ_HOSTACCESS_REQ), - (_PRCMU_BASE + PRCM_HOSTACCESS_REQ)); + PRCM_HOSTACCESS_REQ); if (!wait_for_completion_timeout(&mb0_transfer.ac_wake_work, - msecs_to_jiffies(20000))) { - pr_err("prcmu: %s timed out (20 s) waiting for a reply.\n", + msecs_to_jiffies(5000))) { + panic("prcmu: %s timed out (5 s) waiting for a reply.\n", __func__); } @@ -1506,21 +2072,32 @@ unlock_and_return: mutex_unlock(&mb0_transfer.ac_wake_lock); } -bool prcmu_is_ac_wake_requested(void) +bool db8500_prcmu_is_ac_wake_requested(void) { return (atomic_read(&ac_wake_req_state) != 0); } /** - * prcmu_system_reset - System reset + * db8500_prcmu_system_reset - System reset * - * Saves the reset reason code and then sets the APE_SOFRST register which + * Saves the reset reason code and then sets the APE_SOFTRST register which * fires interrupt to fw */ -void prcmu_system_reset(u16 reset_code) +void db8500_prcmu_system_reset(u16 reset_code) { writew(reset_code, (tcdm_base + PRCM_SW_RST_REASON)); - writel(1, (_PRCMU_BASE + PRCM_APE_SOFTRST)); + writel(1, PRCM_APE_SOFTRST); +} + +/** + * db8500_prcmu_get_reset_code - Retrieve SW reset reason code + * + * Retrieves the reset reason code stored by prcmu_system_reset() before + * last restart. + */ +u16 db8500_prcmu_get_reset_code(void) +{ + return readw(tcdm_base + PRCM_SW_RST_REASON); } /** @@ -1530,11 +2107,11 @@ void prcmu_modem_reset(void) { mutex_lock(&mb1_transfer.lock); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(1)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(1)) cpu_relax(); writeb(MB1H_RESET_MODEM, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB1)); - writel(MBOX_BIT(1), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET); wait_for_completion(&mb1_transfer.work); /* @@ -1551,11 +2128,11 @@ static void ack_dbb_wakeup(void) spin_lock_irqsave(&mb0_transfer.lock, flags); - while (readl(_PRCMU_BASE + PRCM_MBOX_CPU_VAL) & MBOX_BIT(0)) + while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(0)) cpu_relax(); writeb(MB0H_READ_WAKEUP_ACK, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB0)); - writel(MBOX_BIT(0), (_PRCMU_BASE + PRCM_MBOX_CPU_SET)); + writel(MBOX_BIT(0), PRCM_MBOX_CPU_SET); spin_unlock_irqrestore(&mb0_transfer.lock, flags); } @@ -1600,7 +2177,7 @@ static bool read_mailbox_0(void) r = false; break; } - writel(MBOX_BIT(0), (_PRCMU_BASE + PRCM_ARM_IT1_CLR)); + writel(MBOX_BIT(0), PRCM_ARM_IT1_CLR); return r; } @@ -1613,7 +2190,7 @@ static bool read_mailbox_1(void) PRCM_ACK_MB1_CURRENT_APE_OPP); mb1_transfer.ack.ape_voltage_status = readb(tcdm_base + PRCM_ACK_MB1_APE_VOLTAGE_STATUS); - writel(MBOX_BIT(1), (_PRCMU_BASE + PRCM_ARM_IT1_CLR)); + writel(MBOX_BIT(1), PRCM_ARM_IT1_CLR); complete(&mb1_transfer.work); return false; } @@ -1621,14 +2198,14 @@ static bool read_mailbox_1(void) static bool read_mailbox_2(void) { mb2_transfer.ack.status = readb(tcdm_base + PRCM_ACK_MB2_DPS_STATUS); - writel(MBOX_BIT(2), (_PRCMU_BASE + PRCM_ARM_IT1_CLR)); + writel(MBOX_BIT(2), PRCM_ARM_IT1_CLR); complete(&mb2_transfer.work); return false; } static bool read_mailbox_3(void) { - writel(MBOX_BIT(3), (_PRCMU_BASE + PRCM_ARM_IT1_CLR)); + writel(MBOX_BIT(3), PRCM_ARM_IT1_CLR); return false; } @@ -1643,6 +2220,11 @@ static bool read_mailbox_4(void) case MB4H_HOTDOG: case MB4H_HOTMON: case MB4H_HOT_PERIOD: + case MB4H_A9WDOG_CONF: + case MB4H_A9WDOG_EN: + case MB4H_A9WDOG_DIS: + case MB4H_A9WDOG_LOAD: + case MB4H_A9WDOG_KICK: break; default: print_unknown_header_warning(4, header); @@ -1650,7 +2232,7 @@ static bool read_mailbox_4(void) break; } - writel(MBOX_BIT(4), (_PRCMU_BASE + PRCM_ARM_IT1_CLR)); + writel(MBOX_BIT(4), PRCM_ARM_IT1_CLR); if (do_complete) complete(&mb4_transfer.work); @@ -1662,20 +2244,20 @@ static bool read_mailbox_5(void) { mb5_transfer.ack.status = readb(tcdm_base + PRCM_ACK_MB5_I2C_STATUS); mb5_transfer.ack.value = readb(tcdm_base + PRCM_ACK_MB5_I2C_VAL); - writel(MBOX_BIT(5), (_PRCMU_BASE + PRCM_ARM_IT1_CLR)); + writel(MBOX_BIT(5), PRCM_ARM_IT1_CLR); complete(&mb5_transfer.work); return false; } static bool read_mailbox_6(void) { - writel(MBOX_BIT(6), (_PRCMU_BASE + PRCM_ARM_IT1_CLR)); + writel(MBOX_BIT(6), PRCM_ARM_IT1_CLR); return false; } static bool read_mailbox_7(void) { - writel(MBOX_BIT(7), (_PRCMU_BASE + PRCM_ARM_IT1_CLR)); + writel(MBOX_BIT(7), PRCM_ARM_IT1_CLR); return false; } @@ -1696,7 +2278,7 @@ static irqreturn_t prcmu_irq_handler(int irq, void *data) u8 n; irqreturn_t r; - bits = (readl(_PRCMU_BASE + PRCM_ARM_IT1_VAL) & ALL_MBOX_BITS); + bits = (readl(PRCM_ARM_IT1_VAL) & ALL_MBOX_BITS); if (unlikely(!bits)) return IRQ_NONE; @@ -1768,13 +2350,10 @@ static struct irq_chip prcmu_irq_chip = { .irq_unmask = prcmu_irq_unmask, }; -void __init prcmu_early_init(void) +void __init db8500_prcmu_early_init(void) { unsigned int i; - - if (cpu_is_u8500v1()) { - tcdm_base = __io_address(U8500_PRCMU_TCDM_BASE_V1); - } else if (cpu_is_u8500v2()) { + if (cpu_is_u8500v2()) { void *tcpm_base = ioremap_nocache(U8500_PRCMU_TCPM_BASE, SZ_4K); if (tcpm_base != NULL) { @@ -1802,6 +2381,7 @@ void __init prcmu_early_init(void) init_completion(&mb0_transfer.ac_wake_work); mutex_init(&mb1_transfer.lock); init_completion(&mb1_transfer.work); + mb1_transfer.ape_opp = APE_NO_CHANGE; mutex_init(&mb2_transfer.lock); init_completion(&mb2_transfer.work); spin_lock_init(&mb2_transfer.auto_pm_lock); @@ -1826,6 +2406,16 @@ void __init prcmu_early_init(void) } } +static void __init init_prcm_registers(void) +{ + u32 val; + + val = readl(PRCM_A9PL_FORCE_CLKEN); + val &= ~(PRCM_A9PL_FORCE_CLKEN_PRCM_A9PL_FORCE_CLKEN | + PRCM_A9PL_FORCE_CLKEN_PRCM_A9AXI_FORCE_CLKEN); + writel(val, (PRCM_A9PL_FORCE_CLKEN)); +} + /* * Power domain switches (ePODs) modeled as regulators for the DB8500 SoC */ @@ -1843,25 +2433,57 @@ static struct regulator_consumer_supply db8500_vape_consumers[] = { REGULATOR_SUPPLY("vcore", "sdi4"), REGULATOR_SUPPLY("v-dma", "dma40.0"), REGULATOR_SUPPLY("v-ape", "ab8500-usb.0"), - /* "v-uart" changed to "vcore" in the mainline kernel */ - REGULATOR_SUPPLY("vcore", "uart0"), - REGULATOR_SUPPLY("vcore", "uart1"), - REGULATOR_SUPPLY("vcore", "uart2"), + REGULATOR_SUPPLY("v-uart", "uart0"), + REGULATOR_SUPPLY("v-uart", "uart1"), + REGULATOR_SUPPLY("v-uart", "uart2"), REGULATOR_SUPPLY("v-ape", "nmk-ske-keypad.0"), }; static struct regulator_consumer_supply db8500_vsmps2_consumers[] = { - /* CG2900 and CW1200 power to off-chip peripherals */ - REGULATOR_SUPPLY("gbf_1v8", "cg2900-uart.0"), - REGULATOR_SUPPLY("wlan_1v8", "cw1200.0"), REGULATOR_SUPPLY("musb_1v8", "ab8500-usb.0"), /* AV8100 regulator */ REGULATOR_SUPPLY("hdmi_1v8", "0-0070"), }; static struct regulator_consumer_supply db8500_b2r2_mcde_consumers[] = { - REGULATOR_SUPPLY("vsupply", "b2r2.0"), - REGULATOR_SUPPLY("vsupply", "mcde.0"), + REGULATOR_SUPPLY("vsupply", "b2r2_bus"), + REGULATOR_SUPPLY("vsupply", "mcde"), +}; + +/* SVA MMDSP regulator switch */ +static struct regulator_consumer_supply db8500_svammdsp_consumers[] = { + REGULATOR_SUPPLY("sva-mmdsp", "cm_control"), +}; + +/* SVA pipe regulator switch */ +static struct regulator_consumer_supply db8500_svapipe_consumers[] = { + REGULATOR_SUPPLY("sva-pipe", "cm_control"), +}; + +/* SIA MMDSP regulator switch */ +static struct regulator_consumer_supply db8500_siammdsp_consumers[] = { + REGULATOR_SUPPLY("sia-mmdsp", "cm_control"), +}; + +/* SIA pipe regulator switch */ +static struct regulator_consumer_supply db8500_siapipe_consumers[] = { + REGULATOR_SUPPLY("sia-pipe", "cm_control"), +}; + +static struct regulator_consumer_supply db8500_sga_consumers[] = { + REGULATOR_SUPPLY("v-mali", NULL), +}; + +/* ESRAM1 and 2 regulator switch */ +static struct regulator_consumer_supply db8500_esram12_consumers[] = { + REGULATOR_SUPPLY("esram12", "cm_control"), +}; + +/* ESRAM3 and 4 regulator switch */ +static struct regulator_consumer_supply db8500_esram34_consumers[] = { + REGULATOR_SUPPLY("v-esram34", "mcde"), + REGULATOR_SUPPLY("esram34", "cm_control"), + REGULATOR_SUPPLY("lcla_esram", "dma40.0"), }; static struct regulator_init_data db8500_regulators[DB8500_NUM_REGULATORS] = { @@ -1923,6 +2545,8 @@ static struct regulator_init_data db8500_regulators[DB8500_NUM_REGULATORS] = { .name = "db8500-sva-mmdsp", .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, + .consumer_supplies = db8500_svammdsp_consumers, + .num_consumer_supplies = ARRAY_SIZE(db8500_svammdsp_consumers), }, [DB8500_REGULATOR_SWITCH_SVAMMDSPRET] = { .constraints = { @@ -1937,6 +2561,8 @@ static struct regulator_init_data db8500_regulators[DB8500_NUM_REGULATORS] = { .name = "db8500-sva-pipe", .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, + .consumer_supplies = db8500_svapipe_consumers, + .num_consumer_supplies = ARRAY_SIZE(db8500_svapipe_consumers), }, [DB8500_REGULATOR_SWITCH_SIAMMDSP] = { .supply_regulator = "db8500-vape", @@ -1944,6 +2570,8 @@ static struct regulator_init_data db8500_regulators[DB8500_NUM_REGULATORS] = { .name = "db8500-sia-mmdsp", .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, + .consumer_supplies = db8500_siammdsp_consumers, + .num_consumer_supplies = ARRAY_SIZE(db8500_siammdsp_consumers), }, [DB8500_REGULATOR_SWITCH_SIAMMDSPRET] = { .constraints = { @@ -1957,6 +2585,8 @@ static struct regulator_init_data db8500_regulators[DB8500_NUM_REGULATORS] = { .name = "db8500-sia-pipe", .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, + .consumer_supplies = db8500_siapipe_consumers, + .num_consumer_supplies = ARRAY_SIZE(db8500_siapipe_consumers), }, [DB8500_REGULATOR_SWITCH_SGA] = { .supply_regulator = "db8500-vape", @@ -1964,6 +2594,9 @@ static struct regulator_init_data db8500_regulators[DB8500_NUM_REGULATORS] = { .name = "db8500-sga", .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, + .consumer_supplies = db8500_sga_consumers, + .num_consumer_supplies = ARRAY_SIZE(db8500_sga_consumers), + }, [DB8500_REGULATOR_SWITCH_B2R2_MCDE] = { .supply_regulator = "db8500-vape", @@ -1980,6 +2613,8 @@ static struct regulator_init_data db8500_regulators[DB8500_NUM_REGULATORS] = { .name = "db8500-esram12", .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, + .consumer_supplies = db8500_esram12_consumers, + .num_consumer_supplies = ARRAY_SIZE(db8500_esram12_consumers), }, [DB8500_REGULATOR_SWITCH_ESRAM12RET] = { .constraints = { @@ -1993,6 +2628,8 @@ static struct regulator_init_data db8500_regulators[DB8500_NUM_REGULATORS] = { .name = "db8500-esram34", .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, + .consumer_supplies = db8500_esram34_consumers, + .num_consumer_supplies = ARRAY_SIZE(db8500_esram34_consumers), }, [DB8500_REGULATOR_SWITCH_ESRAM34RET] = { .constraints = { @@ -2024,8 +2661,10 @@ static int __init db8500_prcmu_probe(struct platform_device *pdev) if (ux500_is_svp()) return -ENODEV; + init_prcm_registers(); + /* Clean up the mailbox interrupts after pre-kernel code. */ - writel(ALL_MBOX_BITS, (_PRCMU_BASE + PRCM_ARM_IT1_CLR)); + writel(ALL_MBOX_BITS, PRCM_ARM_IT1_CLR); err = request_threaded_irq(IRQ_DB8500_PRCMU1, prcmu_irq_handler, prcmu_irq_thread_fn, IRQF_NO_SUSPEND, "prcmu", NULL); |