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yaml
---
r: 355613
b: refs/heads/master
c: f653b29
h: refs/heads/master
i:
  355611: d0dfb30
v: v3
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Paul Walmsley committed Jan 29, 2013
1 parent 85abaf9 commit fc6b0c7
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Showing 2 changed files with 11 additions and 21 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 53e1cb469e6cf353aa581e6b0a36cca359ecee25
refs/heads/master: f653b29825817a929a606726f03a04fcd0b2b566
30 changes: 10 additions & 20 deletions trunk/arch/arm/mach-omap2/pm24xx.c
Original file line number Diff line number Diff line change
Expand Up @@ -90,11 +90,7 @@ static int omap2_enter_full_retention(void)
omap2_prm_write_mod_reg(0xffffffff, CORE_MOD, OMAP24XX_PM_WKST2);
omap2_prm_write_mod_reg(0xffffffff, WKUP_MOD, PM_WKST);

/*
* Set MPU powerdomain's next power state to RETENTION;
* preserve logic state during retention
*/
pwrdm_set_logic_retst(mpu_pwrdm, PWRDM_POWER_RET);
pwrdm_set_next_pwrst(core_pwrdm, PWRDM_POWER_RET);
pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_RET);

/* Workaround to kill USB */
Expand Down Expand Up @@ -137,6 +133,9 @@ static int omap2_enter_full_retention(void)
/* Mask future PRCM-to-MPU interrupts */
omap2_prm_write_mod_reg(0x0, OCP_MOD, OMAP2_PRCM_IRQSTATUS_MPU_OFFSET);

pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON);
pwrdm_set_next_pwrst(core_pwrdm, PWRDM_POWER_ON);

return 0;
}

Expand Down Expand Up @@ -186,17 +185,16 @@ static void omap2_enter_mpu_retention(void)
omap2_prm_write_mod_reg(0xffffffff, WKUP_MOD, PM_WKST);

/* Try to enter MPU retention */
omap2_prm_write_mod_reg((0x01 << OMAP_POWERSTATE_SHIFT) |
OMAP_LOGICRETSTATE_MASK,
MPU_MOD, OMAP2_PM_PWSTCTRL);
pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_RET);

} else {
/* Block MPU retention */

omap2_prm_write_mod_reg(OMAP_LOGICRETSTATE_MASK, MPU_MOD,
OMAP2_PM_PWSTCTRL);
pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON);
}

omap2_sram_idle();

pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON);
}

static int omap2_can_sleep(void)
Expand Down Expand Up @@ -251,25 +249,17 @@ static void __init prcm_setup_regs(void)
for (i = 0; i < num_mem_banks; i++)
pwrdm_set_mem_retst(core_pwrdm, i, PWRDM_POWER_RET);

/* Set CORE powerdomain's next power state to RETENTION */
pwrdm_set_next_pwrst(core_pwrdm, PWRDM_POWER_RET);
pwrdm_set_logic_retst(core_pwrdm, PWRDM_POWER_RET);

/*
* Set MPU powerdomain's next power state to RETENTION;
* preserve logic state during retention
*/
pwrdm_set_logic_retst(mpu_pwrdm, PWRDM_POWER_RET);
pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_RET);

/* Force-power down DSP, GFX powerdomains */

pwrdm = clkdm_get_pwrdm(dsp_clkdm);
pwrdm_set_next_pwrst(pwrdm, PWRDM_POWER_OFF);
clkdm_sleep(dsp_clkdm);

pwrdm = clkdm_get_pwrdm(gfx_clkdm);
pwrdm_set_next_pwrst(pwrdm, PWRDM_POWER_OFF);
clkdm_sleep(gfx_clkdm);

/* Enable hardware-supervised idle for all clkdms */
clkdm_for_each(omap_pm_clkdms_setup, NULL);
Expand Down

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