| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Wed, 5 Sep 2012 11:59:03 +0200
From: Loic Pallardy <loic.pallardy-ext@...ricsson.com>
To: Samuel Ortiz <sameo@...ux.intel.com>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
Linus Walleij <linus.walleij@...aro.com>
Cc: Lee Jones <lee.jones@...aro.org>,
Loic Pallardy <loic.pallardy@...il.com>,
LT ST-Ericsson <st-ericsson@...ts.linaro.org>,
STEricsson_nomadik_linux <STEricsson_nomadik_linux@...t.st.com>,
Loic Pallardy <loic.pallardy-ext@...ricsson.com>,
Loic Pallardy <loic.pallardy@...ricsson.com>
Subject: [PATCH 07/17] mfd: prcmu: configurable tcdm base address
This patch allows using same services on different hardware
having different configuration.
Signed-off-by: Loic Pallardy <loic.pallardy@...ricsson.com>
Acked-by: Linus Walleij <linus.walleij@...aro.org>
---
drivers/mfd/db8500-prcmu.c | 195 +++++++++++++++++++++++----------------------
1 file changed, 101 insertions(+), 94 deletions(-)
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 1d2fb45..3df427f 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -425,6 +425,7 @@ static DEFINE_SPINLOCK(prcmu_lock);
static DEFINE_SPINLOCK(clkout_lock);
/* Global var to runtime determine TCDM base for v2 or v1 */
+static __iomem void *tcdm_legacy_base;
static __iomem void *tcdm_base;
struct clk_mgt {
@@ -778,12 +779,14 @@ int db8500_prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll)
while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(0))
cpu_relax();
- writeb(MB0H_POWER_STATE_TRANS, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB0));
- writeb(state, (tcdm_base + PRCM_REQ_MB0_AP_POWER_STATE));
- writeb((keep_ap_pll ? 1 : 0), (tcdm_base + PRCM_REQ_MB0_AP_PLL_STATE));
+ writeb(MB0H_POWER_STATE_TRANS,
+ tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB0);
+ writeb(state, (tcdm_legacy_base + PRCM_REQ_MB0_AP_POWER_STATE));
+ writeb((keep_ap_pll ? 1 : 0),
+ tcdm_legacy_base + PRCM_REQ_MB0_AP_PLL_STATE);
writeb((keep_ulp_clk ? 1 : 0),
- (tcdm_base + PRCM_REQ_MB0_ULP_CLOCK_STATE));
- writeb(0, (tcdm_base + PRCM_REQ_MB0_DO_NOT_WFI));
+ (tcdm_legacy_base + PRCM_REQ_MB0_ULP_CLOCK_STATE));
+ writeb(0, (tcdm_legacy_base + PRCM_REQ_MB0_DO_NOT_WFI));
writel(MBOX_BIT(0), PRCM_MBOX_CPU_SET);
spin_unlock_irqrestore(&mb0_transfer.lock, flags);
@@ -793,7 +796,7 @@ int db8500_prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll)
u8 db8500_prcmu_get_power_state_result(void)
{
- return readb(tcdm_base + PRCM_ACK_MB0_AP_PWRSTTR_STATUS);
+ return readb(tcdm_legacy_base + PRCM_ACK_MB0_AP_PWRSTTR_STATUS);
}
/* This function decouple the gic from the prcmu */
@@ -933,9 +936,9 @@ static void config_wakeups(void)
for (i = 0; i < 2; i++) {
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(dbb_events, tcdm_legacy_base + PRCM_REQ_MB0_WAKEUP_8500);
+ writel(abb_events, tcdm_legacy_base + PRCM_REQ_MB0_WAKEUP_4500);
+ writeb(header[i], tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB0);
writel(MBOX_BIT(0), PRCM_MBOX_CPU_SET);
}
last_dbb_events = dbb_events;
@@ -977,10 +980,10 @@ void db8500_prcmu_config_abb_event_readout(u32 abb_events)
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);
+ if (readb(tcdm_legacy_base + PRCM_ACK_MB0_READ_POINTER) & 1)
+ *buf = (tcdm_legacy_base + PRCM_ACK_MB0_WAKEUP_1_4500);
else
- *buf = (tcdm_base + PRCM_ACK_MB0_WAKEUP_0_4500);
+ *buf = (tcdm_legacy_base + PRCM_ACK_MB0_WAKEUP_0_4500);
}
/**
@@ -1004,9 +1007,9 @@ int db8500_prcmu_set_arm_opp(u8 opp)
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));
+ writeb(MB1H_ARM_APE_OPP, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB1));
+ writeb(opp, (tcdm_legacy_base + PRCM_REQ_MB1_ARM_OPP));
+ writeb(APE_NO_CHANGE, (tcdm_legacy_base + PRCM_REQ_MB1_APE_OPP));
writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET);
wait_for_completion(&mb1_transfer.work);
@@ -1027,7 +1030,7 @@ int db8500_prcmu_set_arm_opp(u8 opp)
*/
int db8500_prcmu_get_arm_opp(void)
{
- return readb(tcdm_base + PRCM_ACK_MB1_CURRENT_ARM_OPP);
+ return readb(tcdm_legacy_base + PRCM_ACK_MB1_CURRENT_ARM_OPP);
}
/**
@@ -1129,10 +1132,10 @@ int db8500_prcmu_set_ape_opp(u8 opp)
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(MB1H_ARM_APE_OPP, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB1));
+ writeb(ARM_NO_CHANGE, (tcdm_legacy_base + PRCM_REQ_MB1_ARM_OPP));
writeb(((opp == APE_50_PARTLY_25_OPP) ? APE_50_OPP : opp),
- (tcdm_base + PRCM_REQ_MB1_APE_OPP));
+ (tcdm_legacy_base + PRCM_REQ_MB1_APE_OPP));
writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET);
wait_for_completion(&mb1_transfer.work);
@@ -1160,7 +1163,7 @@ skip_message:
*/
int db8500_prcmu_get_ape_opp(void)
{
- return readb(tcdm_base + PRCM_ACK_MB1_CURRENT_APE_OPP);
+ return readb(tcdm_legacy_base + PRCM_ACK_MB1_CURRENT_APE_OPP);
}
/**
@@ -1194,7 +1197,7 @@ int prcmu_request_ape_opp_100_voltage(bool enable)
while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(1))
cpu_relax();
- writeb(header, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB1));
+ writeb(header, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB1));
writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET);
wait_for_completion(&mb1_transfer.work);
@@ -1224,7 +1227,7 @@ int prcmu_release_usb_wakeup_state(void)
cpu_relax();
writeb(MB1H_RELEASE_USB_WAKEUP,
- (tcdm_base + PRCM_MBOX_HEADER_REQ_MB1));
+ (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB1));
writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET);
wait_for_completion(&mb1_transfer.work);
@@ -1254,8 +1257,8 @@ static int request_pll(u8 clock, bool enable)
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));
+ writeb(MB1H_PLL_ON_OFF, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB1));
+ writeb(clock, (tcdm_legacy_base + PRCM_REQ_MB1_PLL_ON_OFF));
writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET);
wait_for_completion(&mb1_transfer.work);
@@ -1308,10 +1311,11 @@ int db8500_prcmu_set_epod(u16 epod_id, u8 epod_state)
/* fill in mailbox */
for (i = 0; i < NUM_EPOD_ID; i++)
- writeb(EPOD_STATE_NO_CHANGE, (tcdm_base + PRCM_REQ_MB2 + i));
- writeb(epod_state, (tcdm_base + PRCM_REQ_MB2 + epod_id));
+ writeb(EPOD_STATE_NO_CHANGE,
+ tcdm_legacy_base + PRCM_REQ_MB2 + i);
+ writeb(epod_state, (tcdm_legacy_base + PRCM_REQ_MB2 + epod_id));
- writeb(MB2H_DPS, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB2));
+ writeb(MB2H_DPS, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB2));
writel(MBOX_BIT(2), PRCM_MBOX_CPU_SET);
@@ -1371,8 +1375,8 @@ void prcmu_configure_auto_pm(struct prcmu_auto_pm_config *sleep,
* fields in mailbox 2, but these fields are only used as shared
* variables - i.e. there is no need to send a message.
*/
- writel(sleep_cfg, (tcdm_base + PRCM_REQ_MB2_AUTO_PM_SLEEP));
- writel(idle_cfg, (tcdm_base + PRCM_REQ_MB2_AUTO_PM_IDLE));
+ writel(sleep_cfg, (tcdm_legacy_base + PRCM_REQ_MB2_AUTO_PM_SLEEP));
+ writel(idle_cfg, (tcdm_legacy_base + PRCM_REQ_MB2_AUTO_PM_IDLE));
mb2_transfer.auto_pm_enabled =
((sleep->sva_auto_pm_enable == PRCMU_AUTO_PM_ON) ||
@@ -1403,9 +1407,9 @@ static int request_sysclk(bool enable)
while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(3))
cpu_relax();
- writeb((enable ? ON : OFF), (tcdm_base + PRCM_REQ_MB3_SYSCLK_MGT));
+ writeb((enable ? ON : OFF), tcdm_legacy_base + PRCM_REQ_MB3_SYSCLK_MGT);
- writeb(MB3H_SYSCLK, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB3));
+ writeb(MB3H_SYSCLK, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB3));
writel(MBOX_BIT(3), PRCM_MBOX_CPU_SET);
spin_unlock_irqrestore(&mb3_transfer.lock, flags);
@@ -2009,12 +2013,12 @@ int db8500_prcmu_config_esram0_deep_sleep(u8 state)
while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(4))
cpu_relax();
- writeb(MB4H_MEM_ST, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB4));
+ writeb(MB4H_MEM_ST, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB4));
writeb(((DDR_PWR_STATE_OFFHIGHLAT << 4) | DDR_PWR_STATE_ON),
- (tcdm_base + PRCM_REQ_MB4_DDR_ST_AP_SLEEP_IDLE));
+ (tcdm_legacy_base + PRCM_REQ_MB4_DDR_ST_AP_SLEEP_IDLE));
writeb(DDR_PWR_STATE_ON,
- (tcdm_base + PRCM_REQ_MB4_DDR_ST_AP_DEEP_IDLE));
- writeb(state, (tcdm_base + PRCM_REQ_MB4_ESRAM0_ST));
+ (tcdm_legacy_base + PRCM_REQ_MB4_DDR_ST_AP_DEEP_IDLE));
+ writeb(state, (tcdm_legacy_base + PRCM_REQ_MB4_ESRAM0_ST));
writel(MBOX_BIT(4), PRCM_MBOX_CPU_SET);
wait_for_completion(&mb4_transfer.work);
@@ -2031,8 +2035,8 @@ int db8500_prcmu_config_hotdog(u8 threshold)
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));
+ writeb(threshold, (tcdm_legacy_base + PRCM_REQ_MB4_HOTDOG_THRESHOLD));
+ writeb(MB4H_HOTDOG, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB4));
writel(MBOX_BIT(4), PRCM_MBOX_CPU_SET);
wait_for_completion(&mb4_transfer.work);
@@ -2049,11 +2053,11 @@ int db8500_prcmu_config_hotmon(u8 low, u8 high)
while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(4))
cpu_relax();
- writeb(low, (tcdm_base + PRCM_REQ_MB4_HOTMON_LOW));
- writeb(high, (tcdm_base + PRCM_REQ_MB4_HOTMON_HIGH));
+ writeb(low, (tcdm_legacy_base + PRCM_REQ_MB4_HOTMON_LOW));
+ writeb(high, (tcdm_legacy_base + PRCM_REQ_MB4_HOTMON_HIGH));
writeb((HOTMON_CONFIG_LOW | HOTMON_CONFIG_HIGH),
- (tcdm_base + PRCM_REQ_MB4_HOTMON_CONFIG));
- writeb(MB4H_HOTMON, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB4));
+ (tcdm_legacy_base + PRCM_REQ_MB4_HOTMON_CONFIG));
+ writeb(MB4H_HOTMON, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB4));
writel(MBOX_BIT(4), PRCM_MBOX_CPU_SET);
wait_for_completion(&mb4_transfer.work);
@@ -2070,8 +2074,8 @@ static int config_hot_period(u16 val)
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));
+ writew(val, (tcdm_legacy_base + PRCM_REQ_MB4_HOT_PERIOD));
+ writeb(MB4H_HOT_PERIOD, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB4));
writel(MBOX_BIT(4), PRCM_MBOX_CPU_SET);
wait_for_completion(&mb4_transfer.work);
@@ -2102,12 +2106,12 @@ static int prcmu_a9wdog(u8 cmd, u8 d0, u8 d1, u8 d2, u8 d3)
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(d0, (tcdm_legacy_base + PRCM_REQ_MB4_A9WDOG_0));
+ writeb(d1, (tcdm_legacy_base + PRCM_REQ_MB4_A9WDOG_1));
+ writeb(d2, (tcdm_legacy_base + PRCM_REQ_MB4_A9WDOG_2));
+ writeb(d3, (tcdm_legacy_base + PRCM_REQ_MB4_A9WDOG_3));
- writeb(cmd, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB4));
+ writeb(cmd, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB4));
writel(MBOX_BIT(4), PRCM_MBOX_CPU_SET);
wait_for_completion(&mb4_transfer.work);
@@ -2180,11 +2184,12 @@ int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size)
while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(5))
cpu_relax();
- writeb(0, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB5));
- writeb(PRCMU_I2C_READ(slave), (tcdm_base + PRCM_REQ_MB5_I2C_SLAVE_OP));
- writeb(PRCMU_I2C_STOP_EN, (tcdm_base + PRCM_REQ_MB5_I2C_HW_BITS));
- writeb(reg, (tcdm_base + PRCM_REQ_MB5_I2C_REG));
- writeb(0, (tcdm_base + PRCM_REQ_MB5_I2C_VAL));
+ writeb(0, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB5));
+ writeb(PRCMU_I2C_READ(slave),
+ tcdm_legacy_base + PRCM_REQ_MB5_I2C_SLAVE_OP);
+ writeb(PRCMU_I2C_STOP_EN, tcdm_legacy_base + PRCM_REQ_MB5_I2C_HW_BITS);
+ writeb(reg, (tcdm_legacy_base + PRCM_REQ_MB5_I2C_REG));
+ writeb(0, (tcdm_legacy_base + PRCM_REQ_MB5_I2C_VAL));
writel(MBOX_BIT(5), PRCM_MBOX_CPU_SET);
@@ -2230,11 +2235,12 @@ int prcmu_abb_write_masked(u8 slave, u8 reg, u8 *value, u8 *mask, u8 size)
while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(5))
cpu_relax();
- writeb(~*mask, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB5));
- writeb(PRCMU_I2C_WRITE(slave), (tcdm_base + PRCM_REQ_MB5_I2C_SLAVE_OP));
- writeb(PRCMU_I2C_STOP_EN, (tcdm_base + PRCM_REQ_MB5_I2C_HW_BITS));
- writeb(reg, (tcdm_base + PRCM_REQ_MB5_I2C_REG));
- writeb(*value, (tcdm_base + PRCM_REQ_MB5_I2C_VAL));
+ writeb(~*mask, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB5));
+ writeb(PRCMU_I2C_WRITE(slave),
+ (tcdm_legacy_base + PRCM_REQ_MB5_I2C_SLAVE_OP));
+ writeb(PRCMU_I2C_STOP_EN, tcdm_legacy_base + PRCM_REQ_MB5_I2C_HW_BITS);
+ writeb(reg, (tcdm_legacy_base + PRCM_REQ_MB5_I2C_REG));
+ writeb(*value, (tcdm_legacy_base + PRCM_REQ_MB5_I2C_VAL));
writel(MBOX_BIT(5), PRCM_MBOX_CPU_SET);
@@ -2354,7 +2360,7 @@ bool db8500_prcmu_is_ac_wake_requested(void)
*/
void db8500_prcmu_system_reset(u16 reset_code)
{
- writew(reset_code, (tcdm_base + PRCM_SW_RST_REASON));
+ writew(reset_code, (tcdm_legacy_base + PRCM_SW_RST_REASON));
writel(1, PRCM_APE_SOFTRST);
}
@@ -2366,7 +2372,7 @@ void db8500_prcmu_system_reset(u16 reset_code)
*/
u16 db8500_prcmu_get_reset_code(void)
{
- return readw(tcdm_base + PRCM_SW_RST_REASON);
+ return readw(tcdm_legacy_base + PRCM_SW_RST_REASON);
}
/**
@@ -2379,7 +2385,7 @@ void db8500_prcmu_modem_reset(void)
while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(1))
cpu_relax();
- writeb(MB1H_RESET_MODEM, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB1));
+ writeb(MB1H_RESET_MODEM, (tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB1));
writel(MBOX_BIT(1), PRCM_MBOX_CPU_SET);
wait_for_completion(&mb1_transfer.work);
@@ -2400,7 +2406,8 @@ static void ack_dbb_wakeup(void)
while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(0))
cpu_relax();
- writeb(MB0H_READ_WAKEUP_ACK, (tcdm_base + PRCM_MBOX_HEADER_REQ_MB0));
+ writeb(MB0H_READ_WAKEUP_ACK,
+ tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB0);
writel(MBOX_BIT(0), PRCM_MBOX_CPU_SET);
spin_unlock_irqrestore(&mb0_transfer.lock, flags);
@@ -2419,14 +2426,16 @@ static bool read_mailbox_0(void)
unsigned int n;
u8 header;
- header = readb(tcdm_base + PRCM_MBOX_HEADER_ACK_MB0);
+ header = readb(tcdm_legacy_base + PRCM_MBOX_HEADER_ACK_MB0);
switch (header) {
case MB0H_WAKEUP_EXE:
case MB0H_WAKEUP_SLEEP:
- if (readb(tcdm_base + PRCM_ACK_MB0_READ_POINTER) & 1)
- ev = readl(tcdm_base + PRCM_ACK_MB0_WAKEUP_1_8500);
+ if (readb(tcdm_legacy_base + PRCM_ACK_MB0_READ_POINTER) & 1)
+ ev = readl(tcdm_legacy_base +
+ PRCM_ACK_MB0_WAKEUP_1_8500);
else
- ev = readl(tcdm_base + PRCM_ACK_MB0_WAKEUP_0_8500);
+ ev = readl(tcdm_legacy_base +
+ PRCM_ACK_MB0_WAKEUP_0_8500);
if (ev & (WAKEUP_BIT_AC_WAKE_ACK | WAKEUP_BIT_AC_SLEEP_ACK))
complete(&mb0_transfer.ac_wake_work);
@@ -2452,12 +2461,13 @@ static bool read_mailbox_0(void)
static bool read_mailbox_1(void)
{
- mb1_transfer.ack.header = readb(tcdm_base + PRCM_MBOX_HEADER_REQ_MB1);
- mb1_transfer.ack.arm_opp = readb(tcdm_base +
+ mb1_transfer.ack.header = readb(tcdm_legacy_base +
+ PRCM_MBOX_HEADER_REQ_MB1);
+ mb1_transfer.ack.arm_opp = readb(tcdm_legacy_base +
PRCM_ACK_MB1_CURRENT_ARM_OPP);
- mb1_transfer.ack.ape_opp = readb(tcdm_base +
+ mb1_transfer.ack.ape_opp = readb(tcdm_legacy_base +
PRCM_ACK_MB1_CURRENT_APE_OPP);
- mb1_transfer.ack.ape_voltage_status = readb(tcdm_base +
+ mb1_transfer.ack.ape_voltage_status = readb(tcdm_legacy_base +
PRCM_ACK_MB1_APE_VOLTAGE_STATUS);
writel(MBOX_BIT(1), PRCM_ARM_IT1_CLR);
complete(&mb1_transfer.work);
@@ -2466,7 +2476,8 @@ static bool read_mailbox_1(void)
static bool read_mailbox_2(void)
{
- mb2_transfer.ack.status = readb(tcdm_base + PRCM_ACK_MB2_DPS_STATUS);
+ mb2_transfer.ack.status = readb(tcdm_legacy_base
+ + PRCM_ACK_MB2_DPS_STATUS);
writel(MBOX_BIT(2), PRCM_ARM_IT1_CLR);
complete(&mb2_transfer.work);
return false;
@@ -2483,7 +2494,7 @@ static bool read_mailbox_4(void)
u8 header;
bool do_complete = true;
- header = readb(tcdm_base + PRCM_MBOX_HEADER_REQ_MB4);
+ header = readb(tcdm_legacy_base + PRCM_MBOX_HEADER_REQ_MB4);
switch (header) {
case MB4H_MEM_ST:
case MB4H_HOTDOG:
@@ -2511,8 +2522,9 @@ static bool read_mailbox_4(void)
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);
+ mb5_transfer.ack.status = readb(tcdm_legacy_base
+ + PRCM_ACK_MB5_I2C_STATUS);
+ mb5_transfer.ack.value = readb(tcdm_legacy_base + PRCM_ACK_MB5_I2C_VAL);
writel(MBOX_BIT(5), PRCM_ARM_IT1_CLR);
complete(&mb5_transfer.work);
return false;
@@ -2670,29 +2682,24 @@ static int db8500_irq_init(struct device_node *np)
void __init db8500_prcmu_early_init(struct prcmu_tcdm_map *map)
{
- if (cpu_is_u8500v2()) {
void *tcpm_base = ioremap_nocache(U8500_PRCMU_TCPM_BASE, SZ_4K);
- if (tcpm_base != NULL) {
- u32 version;
- version = readl(tcpm_base + PRCMU_FW_VERSION_OFFSET);
- fw_info.version.project = version & 0xFF;
- fw_info.version.api_version = (version >> 8) & 0xFF;
- fw_info.version.func_version = (version >> 16) & 0xFF;
- fw_info.version.errata = (version >> 24) & 0xFF;
- fw_info.valid = true;
- pr_info("PRCMU firmware: %s, version %d.%d.%d\n",
- fw_project_name(fw_info.version.project),
- (version >> 8) & 0xFF, (version >> 16) & 0xFF,
- (version >> 24) & 0xFF);
- iounmap(tcpm_base);
- }
-
- tcdm_base = __io_address(U8500_PRCMU_TCDM_BASE);
- } else {
- pr_err("prcmu: Unsupported chip version\n");
- BUG();
+ if (tcpm_base != NULL) {
+ u32 version;
+ version = readl(tcpm_base + PRCMU_FW_VERSION_OFFSET);
+ fw_info.version.project = version & 0xFF;
+ fw_info.version.api_version = (version >> 8) & 0xFF;
+ fw_info.version.func_version = (version >> 16) & 0xFF;
+ fw_info.version.errata = (version >> 24) & 0xFF;
+ fw_info.valid = true;
+ pr_info("PRCMU firmware: %s, version %d.%d.%d\n",
+ fw_project_name(fw_info.version.project),
+ (version >> 8) & 0xFF, (version >> 16) & 0xFF,
+ (version >> 24) & 0xFF);
+ iounmap(tcpm_base);
}
+ tcdm_base = ioremap_nocache(U8500_PRCMU_TCDM_BASE, map->tcdm_size);
+ tcdm_legacy_base = tcdm_base + map->legacy_offset;
spin_lock_init(&mb0_transfer.lock);
spin_lock_init(&mb0_transfer.dbb_irqs_lock);
--
1.7.11.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists