s5pc1xx: reduce u-boot-sleep current. (16.8 -> 12.2 mA)

	Done by turning sound codec off.
	Applies to u-boot sleep only (kernel does it already)
	1 less mili-amps to match kernel.

diff --git a/board/samsung/universal/universal.c b/board/samsung/universal/universal.c
index be3a1cd..0d29722 100644 (file)
--- a/board/samsung/universal/universal.c
+++ b/board/samsung/universal/universal.c
@@ -1835,7 +1835,22 @@ int dram_init(void)
 
 /* Used for sleep test */
 static unsigned char saved_val[4][2];
-static unsigned int gpio_CP, gpio_T_FLASH, gpio_XTAL;
+void board_sleep_init_late(void)
+{
+       /* CODEC_LDO_EN: GPF3[4] */
+       gpio_direction_output(&s5pc110_gpio->gpio_f3, 4, 0);
+       /* CODEC_XTAL_EN: GPH3[2] */
+       gpio_direction_output(&s5pc110_gpio->gpio_h3, 2, 0);
+
+       /* MMC T_FLASH off */
+       gpio_direction_output(&s5pc110_gpio->gpio_mp0_5, 4, 0);
+       /* MHL off */
+       gpio_direction_output(&s5pc110_gpio->gpio_j2, 2, 0);
+       gpio_direction_output(&s5pc110_gpio->gpio_mp0_4, 7, 0);
+       gpio_direction_output(&s5pc110_gpio->gpio_j2, 3, 0); /* MHL_ON for REV02 or higher */
+
+
+}
 void board_sleep_init(void)
 {
        unsigned int value;
@@ -1844,18 +1859,6 @@ void board_sleep_init(void)
        struct s5pc110_gpio *gpio =
                (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
 
-       /* Set wakeup mask register */
-       value = 0xFFFF;
-       value &= ~(1 << 4);     /* Keypad */
-       value &= ~(1 << 3);     /* RTC */
-       value &= ~(1 << 2);     /* RTC Alarm */
-       writel(value, S5PC110_WAKEUP_MASK);
-
-       /* Set external wakeup mask register */
-       value = 0xFFFFFFFF;
-       value &= ~(1 << 18);    /* T-Flash */
-       writel(value, S5PC110_EINT_WAKEUP_MASK);
-
        i2c_set_bus_num(I2C_PMIC);
        addr = 0xCC >> 1;
        if (i2c_probe(addr)) {
@@ -1863,24 +1866,6 @@ void board_sleep_init(void)
                return;
        }
 
-       /* TOUCH SCREEN ? */
-       /* CODEC_XTAL_EN */
-       gpio_XTAL = gpio_get_value(&gpio->gpio_h3, 2);
-       gpio_set_value(&gpio->gpio_h3, 2, 0);
-       value = gpio_get_value(&gpio->gpio_h3, 2);
-       /* CP off */
-       gpio_CP = gpio_get_value(&gpio->gpio_h3, 7);
-       gpio_set_value(&gpio->gpio_h3, 7, 0);
-       value = gpio_get_value(&gpio->gpio_h3, 7);
-       /* MMC T_FLASH off */
-       gpio_T_FLASH = gpio_get_value(&gpio->gpio_mp0_5, 4);
-       gpio_set_value(&gpio->gpio_mp0_5, 4, 0);
-       value = gpio_get_value(&gpio->gpio_mp0_5, 4);
-       /* MHL off */
-       gpio_set_value(&gpio->gpio_j2, 2, 0);
-       gpio_set_value(&gpio->gpio_mp0_4, 7, 0);
-       gpio_set_value(&gpio->gpio_j2, 3, 0); /* MHL_ON for REV02 or higher */
-
        /* Set ONOFF1 */
        i2c_read(addr, MAX8998_REG_ONOFF1, 1, val, 1);
        saved_val[0][0] = val[0];
@@ -1947,16 +1932,6 @@ void board_sleep_resume(void)
        i2c_read(addr, MAX8998_REG_ONOFF3+1, 1, val, 1);
        printf("Waked up.\n");
 
-       /* CP */
-       gpio_set_value(&gpio->gpio_h3, 7, gpio_CP);
-       value = gpio_get_value(&gpio->gpio_h3, 7);
-       /* MMC T_FLASH */
-       gpio_set_value(&gpio->gpio_mp0_5, 4, gpio_T_FLASH);
-       value = gpio_get_value(&gpio->gpio_mp0_5, 4);
-       /* CODEC_XTAL_EN */
-       gpio_set_value(&gpio->gpio_h3, 2, gpio_XTAL);
-       value = gpio_get_value(&gpio->gpio_h3, 2);
-
        /* check max17040 */
        check_battery();
 

diff --git a/cpu/arm_cortexa8/s5pc1xx/sleep.c b/cpu/arm_cortexa8/s5pc1xx/sleep.c
index 6523b58..47ec48b 100644 (file)
--- a/cpu/arm_cortexa8/s5pc1xx/sleep.c
+++ b/cpu/arm_cortexa8/s5pc1xx/sleep.c
@@ -308,7 +308,6 @@ void s5pc110_wakeup(void)
 
 static int s5pc110_sleep(int mode)
 {
-       static int counter;
        unsigned long regs_save[16];
        unsigned int value;
        int i;
@@ -350,6 +349,9 @@ static int s5pc110_sleep(int mode)
        }
 
        s5pc110_save_regs();
+
+       board_sleep_init_late();
+
        writel((unsigned long) s5pc110_cpu_resume, S5PC110_INFORM0);
 
        if (s5pc1xx_get_cpu_rev() == 0) {
@@ -462,7 +464,6 @@ static int s5pc110_sleep(int mode)
        printf("Wakeup Source: 0x%08x\n", value);
        value = readl(S5PC110_WAKEUP_STAT);
 
-       counter++;
        board_sleep_resume();
        return 0;
 }