PM_SUSPEND: suspend: Suspend optimize the power consumption. [1/2]

PD#168683 Problem: Suspend optimize the power consumption Solution: Suspend optimize the power consumption by controlling gpio Verify: g12b-w400,test pass Change-Id: Ib8d95606f7a2bfc5f1d60fc989858d35425b2961 Signed-off-by: Hong Guo <[email protected]> (cherry picked from commit 2c9a47c9cb0a426b57aab2dbbf751ab159174aa2)
hardkernel · Jul 6, 2018 · 5997fb8 · 5997fb8
1 parent 2546db5
commit 5997fb8
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Showing 2 changed files with 24 additions and 5 deletions.
diff --git a/board/amlogic/g12b_skt_v1/firmware/scp_task/pwr_ctrl.c b/board/amlogic/g12b_skt_v1/firmware/scp_task/pwr_ctrl.c
@@ -50,7 +50,12 @@ static void power_off_at_24M(unsigned int suspend_from)
 	writel(readl(PREG_PAD_GPIO3_EN_N) & (~(1 << 8)), PREG_PAD_GPIO3_EN_N);
 	writel(readl(PERIPHS_PIN_MUX_C) & (~(0xf)), PERIPHS_PIN_MUX_C);
 
-	/*set test_n low to power off vcck & vcc 3.3v*/
+	/*set gpioao_4 low to power off vcck_a*/
+	writel(readl(AO_GPIO_O) & (~(1 << 4)), AO_GPIO_O);
+	writel(readl(AO_GPIO_O_EN_N) & (~(1 << 4)), AO_GPIO_O_EN_N);
+	writel(readl(AO_RTI_PIN_MUX_REG) & (~(0xf << 16)), AO_RTI_PIN_MUX_REG);
+
+	/*set test_n low to power off vcck_b & vcc 3.3v*/
 	writel(readl(AO_GPIO_O) & (~(1 << 31)), AO_GPIO_O);
 	writel(readl(AO_GPIO_O_EN_N) & (~(1 << 31)), AO_GPIO_O_EN_N);
 	writel(readl(AO_RTI_PIN_MUX_REG1) & (~(0xf << 28)), AO_RTI_PIN_MUX_REG1);
@@ -64,12 +69,18 @@ static void power_on_at_24M(unsigned int suspend_from)
 	/*step up ee voltage*/
 	set_vddee_voltage(CONFIG_VDDEE_INIT_VOLTAGE);
 
-	/*set test_n low to power on vcck & vcc 3.3v*/
+	/*set test_n low to power on vcck_b & vcc 3.3v*/
 	writel(readl(AO_GPIO_O) | (1 << 31), AO_GPIO_O);
 	writel(readl(AO_GPIO_O_EN_N) & (~(1 << 31)), AO_GPIO_O_EN_N);
 	writel(readl(AO_RTI_PIN_MUX_REG1) & (~(0xf << 28)), AO_RTI_PIN_MUX_REG1);
 	_udelay(100);
 
+	/*set gpioao_4 high to power on vcck_a*/
+	writel(readl(AO_GPIO_O) | (1 << 4), AO_GPIO_O);
+	writel(readl(AO_GPIO_O_EN_N) & (~(1 << 4)), AO_GPIO_O_EN_N);
+	writel(readl(AO_RTI_PIN_MUX_REG) & (~(0xf << 16)), AO_RTI_PIN_MUX_REG);
+	_udelay(100);
+
 	/*set gpioH_8 low to power on vcc 5v*/
 	writel(readl(PREG_PAD_GPIO3_EN_N) | (1 << 8), PREG_PAD_GPIO3_EN_N);
 	writel(readl(PERIPHS_PIN_MUX_C) & (~(0xf)), PERIPHS_PIN_MUX_C);

diff --git a/board/amlogic/g12b_w400_v1/firmware/scp_task/pwr_ctrl.c b/board/amlogic/g12b_w400_v1/firmware/scp_task/pwr_ctrl.c
@@ -50,7 +50,11 @@ static void power_off_at_24M(unsigned int suspend_from)
 	writel(readl(PREG_PAD_GPIO3_EN_N) & (~(1 << 8)), PREG_PAD_GPIO3_EN_N);
 	writel(readl(PERIPHS_PIN_MUX_C) & (~(0xf)), PERIPHS_PIN_MUX_C);
 
-	/*set test_n low to power off vcck & vcc 3.3v*/
+	/*set gpioao_4 low to power off vcck_a*/
+	writel(readl(AO_GPIO_O) & (~(1 << 4)), AO_GPIO_O);
+	writel(readl(AO_GPIO_O_EN_N) & (~(1 << 4)), AO_GPIO_O_EN_N);
+	writel(readl(AO_RTI_PIN_MUX_REG) & (~(0xf << 16)), AO_RTI_PIN_MUX_REG);
+	/*set test_n low to power off vcck_b & vcc 3.3v*/
 	writel(readl(AO_GPIO_O) & (~(1 << 31)), AO_GPIO_O);
 	writel(readl(AO_GPIO_O_EN_N) & (~(1 << 31)), AO_GPIO_O_EN_N);
 	writel(readl(AO_RTI_PIN_MUX_REG1) & (~(0xf << 28)), AO_RTI_PIN_MUX_REG1);
@@ -64,12 +68,16 @@ static void power_on_at_24M(unsigned int suspend_from)
 	/*step up ee voltage*/
 	set_vddee_voltage(CONFIG_VDDEE_INIT_VOLTAGE);
 
-	/*set test_n low to power on vcck & vcc 3.3v*/
+	/*set test_n high to power on vcck_b & vcc 3.3v*/
 	writel(readl(AO_GPIO_O) | (1 << 31), AO_GPIO_O);
 	writel(readl(AO_GPIO_O_EN_N) & (~(1 << 31)), AO_GPIO_O_EN_N);
 	writel(readl(AO_RTI_PIN_MUX_REG1) & (~(0xf << 28)), AO_RTI_PIN_MUX_REG1);
 	_udelay(100);
-
+	/*set gpioao_4 high to power on vcck_a*/
+	writel(readl(AO_GPIO_O) | (1 << 4), AO_GPIO_O);
+	writel(readl(AO_GPIO_O_EN_N) & (~(1 << 4)), AO_GPIO_O_EN_N);
+	writel(readl(AO_RTI_PIN_MUX_REG) & (~(0xf << 16)), AO_RTI_PIN_MUX_REG);
+	_udelay(100);
 	/*set gpioH_8 low to power on vcc 5v*/
 	writel(readl(PREG_PAD_GPIO3_EN_N) | (1 << 8), PREG_PAD_GPIO3_EN_N);
 	writel(readl(PERIPHS_PIN_MUX_C) & (~(0xf)), PERIPHS_PIN_MUX_C);