예제 #1
0
static void __init prcm_setup_regs(void)
{
	int i, num_mem_banks;
	struct powerdomain *pwrdm;

	omap2_prm_write_mod_reg(OMAP24XX_AUTOIDLE_MASK, OCP_MOD,
			  OMAP2_PRCM_SYSCONFIG_OFFSET);

	num_mem_banks = pwrdm_get_mem_bank_count(core_pwrdm);
	for (i = 0; i < num_mem_banks; i++)
		pwrdm_set_mem_retst(core_pwrdm, i, PWRDM_POWER_RET);

	
	pwrdm_set_next_pwrst(core_pwrdm, PWRDM_POWER_RET);

	pwrdm_set_logic_retst(mpu_pwrdm, PWRDM_POWER_RET);
	pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_RET);

	

	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);

	
	clkdm_for_each(omap_pm_clkdms_setup, NULL);
	clkdm_add_wkdep(mpu_clkdm, wkup_clkdm);

#ifdef CONFIG_SUSPEND
	omap_pm_suspend = omap2_enter_full_retention;
#endif

	omap2_prm_write_mod_reg(15 << OMAP_SETUP_TIME_SHIFT, OMAP24XX_GR_MOD,
				OMAP2_PRCM_CLKSSETUP_OFFSET);

	
	omap2_prm_write_mod_reg(2 << OMAP_SETUP_TIME_SHIFT, OMAP24XX_GR_MOD,
				OMAP2_PRCM_VOLTSETUP_OFFSET);
	omap2_prm_write_mod_reg(OMAP24XX_AUTO_EXTVOLT_MASK |
				(0x1 << OMAP24XX_SETOFF_LEVEL_SHIFT) |
				OMAP24XX_MEMRETCTRL_MASK |
				(0x1 << OMAP24XX_SETRET_LEVEL_SHIFT) |
				(0x0 << OMAP24XX_VOLT_LEVEL_SHIFT),
				OMAP24XX_GR_MOD, OMAP2_PRCM_VOLTCTRL_OFFSET);

	
	omap2_prm_write_mod_reg(OMAP24XX_EN_GPIOS_MASK | OMAP24XX_EN_GPT1_MASK,
				WKUP_MOD, PM_WKEN);
}
static void __init prcm_setup_regs(void)
{
	int i, num_mem_banks;
	struct powerdomain *pwrdm;

	/*
	 * Enable autoidle
	 * XXX This should be handled by hwmod code or PRCM init code
	 */
	omap2_prm_write_mod_reg(OMAP24XX_AUTOIDLE_MASK, OCP_MOD,
			  OMAP2_PRCM_SYSCONFIG_OFFSET);

	/*
	 * Set CORE powerdomain memory banks to retain their contents
	 * during RETENTION
	 */
	num_mem_banks = pwrdm_get_mem_bank_count(core_pwrdm);
	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);

	/*
	 * 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(clkdms_setup, NULL);
	clkdm_add_wkdep(mpu_clkdm, wkup_clkdm);

	/* REVISIT: Configure number of 32 kHz clock cycles for sys_clk
	 * stabilisation */
	omap2_prm_write_mod_reg(15 << OMAP_SETUP_TIME_SHIFT, OMAP24XX_GR_MOD,
				OMAP2_PRCM_CLKSSETUP_OFFSET);

	/* Configure automatic voltage transition */
	omap2_prm_write_mod_reg(2 << OMAP_SETUP_TIME_SHIFT, OMAP24XX_GR_MOD,
				OMAP2_PRCM_VOLTSETUP_OFFSET);
	omap2_prm_write_mod_reg(OMAP24XX_AUTO_EXTVOLT_MASK |
				(0x1 << OMAP24XX_SETOFF_LEVEL_SHIFT) |
				OMAP24XX_MEMRETCTRL_MASK |
				(0x1 << OMAP24XX_SETRET_LEVEL_SHIFT) |
				(0x0 << OMAP24XX_VOLT_LEVEL_SHIFT),
				OMAP24XX_GR_MOD, OMAP2_PRCM_VOLTCTRL_OFFSET);

	/* Enable wake-up events */
	omap2_prm_write_mod_reg(OMAP24XX_EN_GPIOS_MASK | OMAP24XX_EN_GPT1_MASK,
				WKUP_MOD, PM_WKEN);
}
예제 #3
0
static void __init prcm_setup_regs(void)
{
	int i, num_mem_banks;
	struct powerdomain *pwrdm;

	/* Enable autoidle */
	omap2_prm_write_mod_reg(OMAP24XX_AUTOIDLE_MASK, OCP_MOD,
			  OMAP2_PRCM_SYSCONFIG_OFFSET);

	/*
	 * Set CORE powerdomain memory banks to retain their contents
	 * during RETENTION
	 */
	num_mem_banks = pwrdm_get_mem_bank_count(core_pwrdm);
	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);

	/*
	 * 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);
	omap2_clkdm_sleep(dsp_clkdm);

	pwrdm = clkdm_get_pwrdm(gfx_clkdm);
	pwrdm_set_next_pwrst(pwrdm, PWRDM_POWER_OFF);
	omap2_clkdm_sleep(gfx_clkdm);

	/*
	 * Clear clockdomain wakeup dependencies and enable
	 * hardware-supervised idle for all clkdms
	 */
	clkdm_for_each(clkdms_setup, NULL);
	clkdm_add_wkdep(mpu_clkdm, wkup_clkdm);

	/* Enable clock autoidle for all domains */
	omap2_cm_write_mod_reg(OMAP24XX_AUTO_CAM_MASK |
			       OMAP24XX_AUTO_MAILBOXES_MASK |
			       OMAP24XX_AUTO_WDT4_MASK |
			       OMAP2420_AUTO_WDT3_MASK |
			       OMAP24XX_AUTO_MSPRO_MASK |
			       OMAP2420_AUTO_MMC_MASK |
			       OMAP24XX_AUTO_FAC_MASK |
			       OMAP2420_AUTO_EAC_MASK |
			       OMAP24XX_AUTO_HDQ_MASK |
			       OMAP24XX_AUTO_UART2_MASK |
			       OMAP24XX_AUTO_UART1_MASK |
			       OMAP24XX_AUTO_I2C2_MASK |
			       OMAP24XX_AUTO_I2C1_MASK |
			       OMAP24XX_AUTO_MCSPI2_MASK |
			       OMAP24XX_AUTO_MCSPI1_MASK |
			       OMAP24XX_AUTO_MCBSP2_MASK |
			       OMAP24XX_AUTO_MCBSP1_MASK |
			       OMAP24XX_AUTO_GPT12_MASK |
			       OMAP24XX_AUTO_GPT11_MASK |
			       OMAP24XX_AUTO_GPT10_MASK |
			       OMAP24XX_AUTO_GPT9_MASK |
			       OMAP24XX_AUTO_GPT8_MASK |
			       OMAP24XX_AUTO_GPT7_MASK |
			       OMAP24XX_AUTO_GPT6_MASK |
			       OMAP24XX_AUTO_GPT5_MASK |
			       OMAP24XX_AUTO_GPT4_MASK |
			       OMAP24XX_AUTO_GPT3_MASK |
			       OMAP24XX_AUTO_GPT2_MASK |
			       OMAP2420_AUTO_VLYNQ_MASK |
			       OMAP24XX_AUTO_DSS_MASK,
			       CORE_MOD, CM_AUTOIDLE1);
	omap2_cm_write_mod_reg(OMAP24XX_AUTO_UART3_MASK |
			       OMAP24XX_AUTO_SSI_MASK |
			       OMAP24XX_AUTO_USB_MASK,
			       CORE_MOD, CM_AUTOIDLE2);
	omap2_cm_write_mod_reg(OMAP24XX_AUTO_SDRC_MASK |
			       OMAP24XX_AUTO_GPMC_MASK |
			       OMAP24XX_AUTO_SDMA_MASK,
			       CORE_MOD, CM_AUTOIDLE3);
	omap2_cm_write_mod_reg(OMAP24XX_AUTO_PKA_MASK |
			       OMAP24XX_AUTO_AES_MASK |
			       OMAP24XX_AUTO_RNG_MASK |
			       OMAP24XX_AUTO_SHA_MASK |
			       OMAP24XX_AUTO_DES_MASK,
			       CORE_MOD, OMAP24XX_CM_AUTOIDLE4);

	omap2_cm_write_mod_reg(OMAP2420_AUTO_DSP_IPI_MASK, OMAP24XX_DSP_MOD,
			       CM_AUTOIDLE);

	/* Put DPLL and both APLLs into autoidle mode */
	omap2_cm_write_mod_reg((0x03 << OMAP24XX_AUTO_DPLL_SHIFT) |
			       (0x03 << OMAP24XX_AUTO_96M_SHIFT) |
			       (0x03 << OMAP24XX_AUTO_54M_SHIFT),
			       PLL_MOD, CM_AUTOIDLE);

	omap2_cm_write_mod_reg(OMAP24XX_AUTO_OMAPCTRL_MASK |
			       OMAP24XX_AUTO_WDT1_MASK |
			       OMAP24XX_AUTO_MPU_WDT_MASK |
			       OMAP24XX_AUTO_GPIOS_MASK |
			       OMAP24XX_AUTO_32KSYNC_MASK |
			       OMAP24XX_AUTO_GPT1_MASK,
			       WKUP_MOD, CM_AUTOIDLE);

	/* REVISIT: Configure number of 32 kHz clock cycles for sys_clk
	 * stabilisation */
	omap2_prm_write_mod_reg(15 << OMAP_SETUP_TIME_SHIFT, OMAP24XX_GR_MOD,
				OMAP2_PRCM_CLKSSETUP_OFFSET);

	/* Configure automatic voltage transition */
	omap2_prm_write_mod_reg(2 << OMAP_SETUP_TIME_SHIFT, OMAP24XX_GR_MOD,
				OMAP2_PRCM_VOLTSETUP_OFFSET);
	omap2_prm_write_mod_reg(OMAP24XX_AUTO_EXTVOLT_MASK |
				(0x1 << OMAP24XX_SETOFF_LEVEL_SHIFT) |
				OMAP24XX_MEMRETCTRL_MASK |
				(0x1 << OMAP24XX_SETRET_LEVEL_SHIFT) |
				(0x0 << OMAP24XX_VOLT_LEVEL_SHIFT),
				OMAP24XX_GR_MOD, OMAP2_PRCM_VOLTCTRL_OFFSET);

	/* Enable wake-up events */
	omap2_prm_write_mod_reg(OMAP24XX_EN_GPIOS_MASK | OMAP24XX_EN_GPT1_MASK,
				WKUP_MOD, PM_WKEN);
}