#include <linux/gpio.h>
#include <linux/clk.h>
#include <linux/delay.h>
+#include <linux/slab.h>
#include <plat/sram.h>
#include <plat/clockdomain.h>
u32 enable_off_mode;
u32 sleep_while_idle;
u32 wakeup_timer_seconds;
+u32 wakeup_timer_milliseconds;
struct power_state {
struct powerdomain *pwrdm;
*/
static irqreturn_t prcm_interrupt_handler (int irq, void *dev_id)
{
- u32 irqstatus_mpu;
+ u32 irqenable_mpu, irqstatus_mpu;
int c = 0;
- do {
- irqstatus_mpu = prm_read_mod_reg(OCP_MOD,
- OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
+ irqenable_mpu = prm_read_mod_reg(OCP_MOD,
+ OMAP3_PRM_IRQENABLE_MPU_OFFSET);
+ irqstatus_mpu = prm_read_mod_reg(OCP_MOD,
+ OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
+ irqstatus_mpu &= irqenable_mpu;
+ do {
if (irqstatus_mpu & (OMAP3430_WKUP_ST | OMAP3430_IO_ST)) {
c = _prcm_int_handle_wakeup();
prm_write_mod_reg(irqstatus_mpu, OCP_MOD,
OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
- } while (prm_read_mod_reg(OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET));
+ irqstatus_mpu = prm_read_mod_reg(OCP_MOD,
+ OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
+ irqstatus_mpu &= irqenable_mpu;
+
+ } while (irqstatus_mpu);
return IRQ_HANDLED;
}
if (pwrdm_read_pwrst(neon_pwrdm) == PWRDM_POWER_ON)
pwrdm_set_next_pwrst(neon_pwrdm, mpu_next_state);
- /* PER */
+ /* 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 (per_next_state < PWRDM_POWER_ON ||
+ core_next_state < PWRDM_POWER_ON) {
+ prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN);
+ omap3_enable_io_chain();
+ }
+
+ /* PER */
if (per_next_state < PWRDM_POWER_ON) {
omap_uart_prepare_idle(2);
- omap2_gpio_prepare_for_retention();
+ 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;
omap3_core_save_context();
omap3_prcm_save_context();
}
- /* Enable IO-PAD and IO-CHAIN wakeups */
- prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN);
- omap3_enable_io_chain();
}
+
omap3_intc_prepare_idle();
/*
/* PER */
if (per_next_state < PWRDM_POWER_ON) {
per_prev_state = pwrdm_read_prev_pwrst(per_pwrdm);
+ omap2_gpio_resume_after_idle();
if (per_prev_state == PWRDM_POWER_OFF)
omap3_per_restore_context();
- omap2_gpio_resume_after_retention();
omap_uart_resume_idle(2);
if (per_state_modified)
pwrdm_set_next_pwrst(per_pwrdm, PWRDM_POWER_OFF);
}
/* Disable IO-PAD and IO-CHAIN wakeup */
- if (core_next_state < PWRDM_POWER_ON) {
+ if (per_next_state < PWRDM_POWER_ON ||
+ core_next_state < PWRDM_POWER_ON) {
prm_clear_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN);
omap3_disable_io_chain();
}
#ifdef CONFIG_SUSPEND
static suspend_state_t suspend_state;
-static void omap2_pm_wakeup_on_timer(u32 seconds)
+static void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds)
{
u32 tick_rate, cycles;
- if (!seconds)
+ if (!seconds && !milliseconds)
return;
tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer_wakeup));
- cycles = tick_rate * seconds;
+ 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 %d secs (%d ticks at %d ticks/sec.)\n",
- seconds, cycles, tick_rate);
+ 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)
struct power_state *pwrst;
int state, ret = 0;
- if (wakeup_timer_seconds)
- omap2_pm_wakeup_on_timer(wakeup_timer_seconds);
+ if (wakeup_timer_seconds || wakeup_timer_milliseconds)
+ omap2_pm_wakeup_on_timer(wakeup_timer_seconds,
+ wakeup_timer_milliseconds);
/* Read current next_pwrsts */
list_for_each_entry(pwrst, &pwrst_list, node)
prm_write_mod_reg(OMAP3430_RST1_IVA2 |
OMAP3430_RST2_IVA2 |
OMAP3430_RST3_IVA2,
- OMAP3430_IVA2_MOD, RM_RSTCTRL);
+ OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
/* Enable IVA2 clock */
- cm_write_mod_reg(OMAP3430_CM_FCLKEN_IVA2_EN_IVA2,
+ cm_write_mod_reg(OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_MASK,
OMAP3430_IVA2_MOD, CM_FCLKEN);
/* Set IVA2 boot mode to 'idle' */
OMAP343X_CONTROL_IVA2_BOOTMOD);
/* Un-reset IVA2 */
- prm_write_mod_reg(0, OMAP3430_IVA2_MOD, RM_RSTCTRL);
+ prm_write_mod_reg(0, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
/* Disable IVA2 clock */
cm_write_mod_reg(0, OMAP3430_IVA2_MOD, CM_FCLKEN);
prm_write_mod_reg(OMAP3430_RST1_IVA2 |
OMAP3430_RST2_IVA2 |
OMAP3430_RST3_IVA2,
- OMAP3430_IVA2_MOD, RM_RSTCTRL);
+ OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
}
static void __init omap3_d2d_idle(void)
/* reset modem */
prm_write_mod_reg(OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RSTPWRON |
OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RST,
- CORE_MOD, RM_RSTCTRL);
- prm_write_mod_reg(0, CORE_MOD, RM_RSTCTRL);
+ CORE_MOD, OMAP2_RM_RSTCTRL);
+ prm_write_mod_reg(0, CORE_MOD, OMAP2_RM_RSTCTRL);
}
static void __init prcm_setup_regs(void)
prm_write_mod_reg(0, OMAP3430_PER_MOD, OMAP3430_PM_IVAGRPSEL);
/* Clear any pending 'reset' flags */
- prm_write_mod_reg(0xffffffff, MPU_MOD, RM_RSTST);
- prm_write_mod_reg(0xffffffff, CORE_MOD, RM_RSTST);
- prm_write_mod_reg(0xffffffff, OMAP3430_PER_MOD, RM_RSTST);
- prm_write_mod_reg(0xffffffff, OMAP3430_EMU_MOD, RM_RSTST);
- prm_write_mod_reg(0xffffffff, OMAP3430_NEON_MOD, RM_RSTST);
- prm_write_mod_reg(0xffffffff, OMAP3430_DSS_MOD, RM_RSTST);
- prm_write_mod_reg(0xffffffff, OMAP3430ES2_USBHOST_MOD, RM_RSTST);
+ prm_write_mod_reg(0xffffffff, MPU_MOD, OMAP2_RM_RSTST);
+ prm_write_mod_reg(0xffffffff, CORE_MOD, OMAP2_RM_RSTST);
+ prm_write_mod_reg(0xffffffff, OMAP3430_PER_MOD, OMAP2_RM_RSTST);
+ prm_write_mod_reg(0xffffffff, OMAP3430_EMU_MOD, OMAP2_RM_RSTST);
+ prm_write_mod_reg(0xffffffff, OMAP3430_NEON_MOD, OMAP2_RM_RSTST);
+ prm_write_mod_reg(0xffffffff, OMAP3430_DSS_MOD, OMAP2_RM_RSTST);
+ prm_write_mod_reg(0xffffffff, OMAP3430ES2_USBHOST_MOD, OMAP2_RM_RSTST);
/* Clear any pending PRCM interrupts */
prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
else
state = PWRDM_POWER_RET;
+#ifdef CONFIG_CPU_IDLE
+ omap3_cpuidle_update_states();
+#endif
+
list_for_each_entry(pwrst, &pwrst_list, node) {
pwrst->next_state = state;
set_pwrdm_state(pwrst->pwrdm, state);
*/
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 &&
static int __init omap3_pm_init(void)
{
struct power_state *pwrst, *tmp;
+ struct clockdomain *neon_clkdm, *per_clkdm, *mpu_clkdm, *core_clkdm;
int ret;
if (!cpu_is_omap34xx())
core_pwrdm = pwrdm_lookup("core_pwrdm");
cam_pwrdm = pwrdm_lookup("cam_pwrdm");
+ neon_clkdm = clkdm_lookup("neon_clkdm");
+ mpu_clkdm = clkdm_lookup("mpu_clkdm");
+ per_clkdm = clkdm_lookup("per_clkdm");
+ core_clkdm = clkdm_lookup("core_clkdm");
+
omap_push_sram_idle();
#ifdef CONFIG_SUSPEND
suspend_set_ops(&omap_pm_ops);
pm_idle = omap3_pm_idle;
omap3_idle_init();
- pwrdm_add_wkdep(neon_pwrdm, mpu_pwrdm);
- /*
- * REVISIT: This wkdep is only necessary when GPIO2-6 are enabled for
- * IO-pad wakeup. Otherwise it will unnecessarily waste power
- * waking up PER with every CORE wakeup - see
- * http://marc.info/?l=linux-omap&m=121852150710062&w=2
- */
- pwrdm_add_wkdep(per_pwrdm, core_pwrdm);
-
+ clkdm_add_wkdep(neon_clkdm, mpu_clkdm);
if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
omap3_secure_ram_storage =
kmalloc(0x803F, GFP_KERNEL);
git.openpandora.org / pandora-kernel.git / blobdiff