summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/pm34xx.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2/pm34xx.c')
-rw-r--r--arch/arm/mach-omap2/pm34xx.c126
1 files changed, 28 insertions, 98 deletions
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 7b03426c72a3..75c0cd13ad8e 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -32,13 +32,11 @@
#include <plat/sram.h>
#include <plat/clockdomain.h>
#include <plat/powerdomain.h>
-#include <plat/control.h>
#include <plat/serial.h>
#include <plat/sdrc.h>
#include <plat/prcm.h>
#include <plat/gpmc.h>
#include <plat/dma.h>
-#include <plat/dmtimer.h>
#include <asm/tlbflush.h>
@@ -49,16 +47,12 @@
#include "prm.h"
#include "pm.h"
#include "sdrc.h"
+#include "control.h"
/* Scratchpad offsets */
-#define OMAP343X_TABLE_ADDRESS_OFFSET 0x31
-#define OMAP343X_TABLE_VALUE_OFFSET 0x30
-#define OMAP343X_CONTROL_REG_VALUE_OFFSET 0x32
-
-u32 enable_off_mode;
-u32 sleep_while_idle;
-u32 wakeup_timer_seconds;
-u32 wakeup_timer_milliseconds;
+#define OMAP343X_TABLE_ADDRESS_OFFSET 0xc4
+#define OMAP343X_TABLE_VALUE_OFFSET 0xc0
+#define OMAP343X_CONTROL_REG_VALUE_OFFSET 0xc8
struct power_state {
struct powerdomain *pwrdm;
@@ -316,7 +310,7 @@ static void restore_control_register(u32 val)
/* Function to restore the table entry that was modified for enabling MMU */
static void restore_table_entry(void)
{
- u32 *scratchpad_address;
+ void __iomem *scratchpad_address;
u32 previous_value, control_reg_value;
u32 *address;
@@ -351,7 +345,6 @@ void omap_sram_idle(void)
int core_next_state = PWRDM_POWER_ON;
int core_prev_state, per_prev_state;
u32 sdrc_pwr = 0;
- int per_state_modified = 0;
if (!_omap_sram_idle)
return;
@@ -385,9 +378,9 @@ void omap_sram_idle(void)
/* Enable IO-PAD and IO-CHAIN wakeups */
per_next_state = pwrdm_read_next_pwrst(per_pwrdm);
core_next_state = pwrdm_read_next_pwrst(core_pwrdm);
- if (omap3_has_io_wakeup() && \
- (per_next_state < PWRDM_POWER_ON ||
- core_next_state < PWRDM_POWER_ON)) {
+ if (omap3_has_io_wakeup() &&
+ (per_next_state < PWRDM_POWER_ON ||
+ core_next_state < PWRDM_POWER_ON)) {
prm_set_mod_reg_bits(OMAP3430_EN_IO_MASK, WKUP_MOD, PM_WKEN);
omap3_enable_io_chain();
}
@@ -395,20 +388,12 @@ void omap_sram_idle(void)
/* PER */
if (per_next_state < PWRDM_POWER_ON) {
omap_uart_prepare_idle(2);
+ omap_uart_prepare_idle(3);
omap2_gpio_prepare_for_idle(per_next_state);
- if (per_next_state == PWRDM_POWER_OFF) {
- if (core_next_state == PWRDM_POWER_ON) {
- per_next_state = PWRDM_POWER_RET;
- pwrdm_set_next_pwrst(per_pwrdm, per_next_state);
- per_state_modified = 1;
- } else
+ if (per_next_state == PWRDM_POWER_OFF)
omap3_per_save_context();
- }
}
- if (pwrdm_read_pwrst(cam_pwrdm) == PWRDM_POWER_ON)
- omap2_clkdm_deny_idle(mpu_pwrdm->pwrdm_clkdms[0]);
-
/* CORE */
if (core_next_state < PWRDM_POWER_ON) {
omap_uart_prepare_idle(0);
@@ -475,8 +460,7 @@ void omap_sram_idle(void)
if (per_prev_state == PWRDM_POWER_OFF)
omap3_per_restore_context();
omap_uart_resume_idle(2);
- if (per_state_modified)
- pwrdm_set_next_pwrst(per_pwrdm, PWRDM_POWER_OFF);
+ omap_uart_resume_idle(3);
}
/* Disable IO-PAD and IO-CHAIN wakeup */
@@ -501,51 +485,6 @@ int omap3_can_sleep(void)
return 1;
}
-/* This sets pwrdm state (other than mpu & core. Currently only ON &
- * RET are supported. Function is assuming that clkdm doesn't have
- * hw_sup mode enabled. */
-int set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
-{
- u32 cur_state;
- int sleep_switch = 0;
- int ret = 0;
-
- if (pwrdm == NULL || IS_ERR(pwrdm))
- return -EINVAL;
-
- while (!(pwrdm->pwrsts & (1 << state))) {
- if (state == PWRDM_POWER_OFF)
- return ret;
- state--;
- }
-
- cur_state = pwrdm_read_next_pwrst(pwrdm);
- if (cur_state == state)
- return ret;
-
- if (pwrdm_read_pwrst(pwrdm) < PWRDM_POWER_ON) {
- omap2_clkdm_wakeup(pwrdm->pwrdm_clkdms[0]);
- sleep_switch = 1;
- pwrdm_wait_transition(pwrdm);
- }
-
- ret = pwrdm_set_next_pwrst(pwrdm, state);
- if (ret) {
- printk(KERN_ERR "Unable to set state of powerdomain: %s\n",
- pwrdm->name);
- goto err;
- }
-
- if (sleep_switch) {
- omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]);
- pwrdm_wait_transition(pwrdm);
- pwrdm_state_switch(pwrdm);
- }
-
-err:
- return ret;
-}
-
static void omap3_pm_idle(void)
{
local_irq_disable();
@@ -567,23 +506,6 @@ out:
#ifdef CONFIG_SUSPEND
static suspend_state_t suspend_state;
-static void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds)
-{
- u32 tick_rate, cycles;
-
- if (!seconds && !milliseconds)
- return;
-
- tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer_wakeup));
- cycles = tick_rate * seconds + tick_rate * milliseconds / 1000;
- omap_dm_timer_stop(gptimer_wakeup);
- omap_dm_timer_set_load_start(gptimer_wakeup, 0, 0xffffffff - cycles);
-
- pr_info("PM: Resume timer in %u.%03u secs"
- " (%d ticks at %d ticks/sec.)\n",
- seconds, milliseconds, cycles, tick_rate);
-}
-
static int omap3_pm_prepare(void)
{
disable_hlt();
@@ -604,7 +526,7 @@ static int omap3_pm_suspend(void)
pwrst->saved_state = pwrdm_read_next_pwrst(pwrst->pwrdm);
/* Set ones wanted by suspend */
list_for_each_entry(pwrst, &pwrst_list, node) {
- if (set_pwrdm_state(pwrst->pwrdm, pwrst->next_state))
+ if (omap_set_pwrdm_state(pwrst->pwrdm, pwrst->next_state))
goto restore;
if (pwrdm_clear_all_prev_pwrst(pwrst->pwrdm))
goto restore;
@@ -625,7 +547,7 @@ restore:
pwrst->pwrdm->name, pwrst->next_state);
ret = -1;
}
- set_pwrdm_state(pwrst->pwrdm, pwrst->saved_state);
+ omap_set_pwrdm_state(pwrst->pwrdm, pwrst->saved_state);
}
if (ret)
printk(KERN_ERR "Could not enter target state in pm_suspend\n");
@@ -756,6 +678,14 @@ static void __init omap3_d2d_idle(void)
static void __init prcm_setup_regs(void)
{
+ u32 omap3630_auto_uart4_mask = cpu_is_omap3630() ?
+ OMAP3630_AUTO_UART4_MASK : 0;
+ u32 omap3630_en_uart4_mask = cpu_is_omap3630() ?
+ OMAP3630_EN_UART4_MASK : 0;
+ u32 omap3630_grpsel_uart4_mask = cpu_is_omap3630() ?
+ OMAP3630_GRPSEL_UART4_MASK : 0;
+
+
/* XXX Reset all wkdeps. This should be done when initializing
* powerdomains */
prm_write_mod_reg(0, OMAP3430_IVA2_MOD, PM_WKDEP);
@@ -842,6 +772,7 @@ static void __init prcm_setup_regs(void)
CM_AUTOIDLE);
cm_write_mod_reg(
+ omap3630_auto_uart4_mask |
OMAP3430_AUTO_GPIO6_MASK |
OMAP3430_AUTO_GPIO5_MASK |
OMAP3430_AUTO_GPIO4_MASK |
@@ -918,14 +849,16 @@ static void __init prcm_setup_regs(void)
OMAP3430_DSS_MOD, PM_WKEN);
/* Enable wakeups in PER */
- prm_write_mod_reg(OMAP3430_EN_GPIO2_MASK | OMAP3430_EN_GPIO3_MASK |
+ prm_write_mod_reg(omap3630_en_uart4_mask |
+ OMAP3430_EN_GPIO2_MASK | OMAP3430_EN_GPIO3_MASK |
OMAP3430_EN_GPIO4_MASK | OMAP3430_EN_GPIO5_MASK |
OMAP3430_EN_GPIO6_MASK | OMAP3430_EN_UART3_MASK |
OMAP3430_EN_MCBSP2_MASK | OMAP3430_EN_MCBSP3_MASK |
OMAP3430_EN_MCBSP4_MASK,
OMAP3430_PER_MOD, PM_WKEN);
/* and allow them to wake up MPU */
- prm_write_mod_reg(OMAP3430_GRPSEL_GPIO2_MASK |
+ prm_write_mod_reg(omap3630_grpsel_uart4_mask |
+ OMAP3430_GRPSEL_GPIO2_MASK |
OMAP3430_GRPSEL_GPIO3_MASK |
OMAP3430_GRPSEL_GPIO4_MASK |
OMAP3430_GRPSEL_GPIO5_MASK |
@@ -974,7 +907,7 @@ void omap3_pm_off_mode_enable(int enable)
list_for_each_entry(pwrst, &pwrst_list, node) {
pwrst->next_state = state;
- set_pwrdm_state(pwrst->pwrdm, state);
+ omap_set_pwrdm_state(pwrst->pwrdm, state);
}
}
@@ -1019,7 +952,7 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
if (pwrdm_has_hdwr_sar(pwrdm))
pwrdm_enable_hdwr_sar(pwrdm);
- return set_pwrdm_state(pwrst->pwrdm, pwrst->next_state);
+ return omap_set_pwrdm_state(pwrst->pwrdm, pwrst->next_state);
}
/*
@@ -1029,9 +962,6 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
*/
static int __init clkdms_setup(struct clockdomain *clkdm, void *unused)
{
- clkdm_clear_all_wkdeps(clkdm);
- clkdm_clear_all_sleepdeps(clkdm);
-
if (clkdm->flags & CLKDM_CAN_ENABLE_AUTO)
omap2_clkdm_allow_idle(clkdm);
else if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP &&
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-18 23:04:02 +0000