#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 "dbx500-prcmu-regs.h"
/* Offset for the firmware version within the TCPM */
#define PRCMU_FW_VERSION_OFFSET 0xA4
#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)
#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)
#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)
static DEFINE_SPINLOCK(clk_mgt_lock);
-#define CLK_MGT_ENTRY(_name)[PRCMU_##_name] = { (PRCM_##_name##_MGT), 0 }
+#define CLK_MGT_ENTRY(_name)[PRCMU_##_name] = { (PRCM_##_name##_MGT_OFF), 0 }
struct clk_mgt clk_mgt[PRCMU_NUM_REG_CLOCKS] = {
CLK_MGT_ENTRY(SGACLK),
CLK_MGT_ENTRY(UARTCLK),
CLK_MGT_ENTRY(UICCCLK),
};
+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",
+};
+
/*
* Used by MCDE to setup all necessary PRCMU registers
*/
} 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;
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);
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);
}
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);
}
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) {
}
}
}
- writel((bits | (val & ~mask)), (_PRCMU_BASE + PRCM_CLKOCR));
+ writel((bits | (val & ~mask)), PRCM_CLKOCR);
requests[clkout] += (div ? 1 : -1);
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;
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));
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);
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;
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;
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);
}
/**
- * 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;
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) ||
}
/**
- * 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);
}
*/
int prcmu_get_ddr_opp(void)
{
- return readb(_PRCMU_BASE + PRCM_DDR_SUBSYS_APE_MINBW);
+ return readb(PRCM_DDR_SUBSYS_APE_MINBW);
}
/**
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;
}
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(ARM_NO_CHANGE, (tcdm_base + PRCM_REQ_MB1_ARM_OPP));
writeb(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) ||
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) ||
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) ||
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_epod - set the state of a EPOD (power domain)
+ * 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);
+
+/**
+ * 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;
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 */
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,
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);
if (!enable)
val |= PRCM_TCR_STOP_TIMERS;
- writel(val, (_PRCMU_BASE + PRCM_TCR));
+ writel(val, PRCM_TCR);
return 0;
}
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);
writel(val, (_PRCMU_BASE + clk_mgt[clock].offset));
/* 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_reg_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);
- else if (clock == PRCMU_TIMCLK)
+ switch(clock) {
+ case PRCMU_SGACLK:
+ return request_sga_clock(clock, enable);
+ case PRCMU_TIMCLK:
return request_timclk(enable);
- else if (clock == PRCMU_SYSCLK)
+ case PRCMU_SYSCLK:
return request_sysclk(enable);
- else
- return -EINVAL;
+ case PRCMU_PLLSOC1:
+ return request_pll(clock, enable);
+ default:
+ break;
+ }
+ if (clock < PRCMU_NUM_REG_CLOCKS)
+ return request_reg_clock(clock, enable);
+ return -EINVAL;
}
-int prcmu_config_esram0_deep_sleep(u8 state)
+int db8500_prcmu_config_esram0_deep_sleep(u8 state)
{
if ((state > ESRAM0_DEEP_SLEEP_STATE_RET) ||
(state < ESRAM0_DEEP_SLEEP_STATE_OFF))
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));
(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);
{
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);
{
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));
(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);
{
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);
return config_hot_period(0xFFFF);
}
+static int prcmu_a9wdog(u8 cmd, u8 d0, u8 d1, u8 d2, u8 d3)
+{
+
+ mutex_lock(&mb4_transfer.lock);
+
+ while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(4))
+ cpu_relax();
+
+ 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));
+
+ writeb(cmd, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB4));
+
+ 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.
+ */
+#define MAX_WATCHDOG_TIMEOUT 131000
+int prcmu_load_a9wdog(u8 id, u32 timeout)
+{
+ if (timeout > MAX_WATCHDOG_TIMEOUT)
+ /*
+ * Due to calculation bug in prcmu fw, timeouts
+ * can't be bigger than 131 seconds.
+ */
+ return -EINVAL;
+
+ 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));
+}
+
/**
* prcmu_set_clock_divider() - Configure the clock divider.
* @clock: The clock for which the request is made.
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);
writel(val, (_PRCMU_BASE + clk_mgt[clock].offset));
/* Release the HW semaphore. */
- writel(0, (_PRCMU_BASE + PRCM_SEM));
+ writel(0, PRCM_SEM);
spin_unlock_irqrestore(&clk_mgt_lock, flags);
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));
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))) {
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));
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))) {
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))) {
+ pr_crit("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;
+ pr_crit("prcmu: %s timed out (5 s) waiting for AC_SLEEP_ACK.\n",
__func__);
}
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))) {
+ pr_crit("prcmu: %s timed out (5 s) waiting for a reply.\n",
__func__);
}
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);
}
/**
{
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);
/*
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);
}
r = false;
break;
}
- writel(MBOX_BIT(0), (_PRCMU_BASE + PRCM_ARM_IT1_CLR));
+ writel(MBOX_BIT(0), PRCM_ARM_IT1_CLR);
return r;
}
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;
}
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;
}
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);
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);
{
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;
}
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;
.irq_unmask = prcmu_irq_unmask,
};
-void __init prcmu_early_init(void)
+void __init db8500_prcmu_early_init(void)
{
unsigned int i;
}
}
+static void __init db8500_prcmu_init_clkforce(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
*/
static struct regulator_consumer_supply db8500_b2r2_mcde_consumers[] = {
REGULATOR_SUPPLY("vsupply", "b2r2.0"),
- REGULATOR_SUPPLY("vsupply", "mcde.0"),
+ 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"),
};
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 = {
.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",
.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 = {
.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",
.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",
.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 = {
.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 = {
if (ux500_is_svp())
return -ENODEV;
+ db8500_prcmu_init_clkforce();
+
/* 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);
git.openpandora.org / pandora-kernel.git / blobdiff