board: ge: bx50v3: add the PMIC configuration support

[u-boot] / board / ge / bx50v3 / bx50v3.c

diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c
index ff8f4d7b972e842c6990afce8aa6fd95a4056953..2fc1144cdae17170193e69251dd39aa24e918330 100644 (file)
--- a/board/ge/bx50v3/bx50v3.c
+++ b/board/ge/bx50v3/bx50v3.c
@@ -10,7 +10,7 @@
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/iomux.h>
 #include <asm/arch/mx6-pins.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 #include <asm/gpio.h>
 #include <asm/imx-common/mxc_i2c.h>
 #include <asm/imx-common/iomux-v3.h>
@@ -60,7 +60,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 int dram_init(void)
 {
-       gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+       gd->ram_size = imx_ddr_size();
 
        return 0;
 }
@@ -596,11 +596,64 @@ static const struct boot_mode board_boot_modes[] = {
 };
 #endif
 
+void pmic_init(void)
+{
+#define I2C_PMIC                0x2
+#define DA9063_I2C_ADDR         0x58
+#define DA9063_REG_BCORE2_CFG   0x9D
+#define DA9063_REG_BCORE1_CFG   0x9E
+#define DA9063_REG_BPRO_CFG     0x9F
+#define DA9063_REG_BIO_CFG      0xA0
+#define DA9063_REG_BMEM_CFG     0xA1
+#define DA9063_REG_BPERI_CFG    0xA2
+#define DA9063_BUCK_MODE_MASK   0xC0
+#define DA9063_BUCK_MODE_MANUAL 0x00
+#define DA9063_BUCK_MODE_SLEEP  0x40
+#define DA9063_BUCK_MODE_SYNC   0x80
+#define DA9063_BUCK_MODE_AUTO   0xC0
+
+       uchar val;
+
+       i2c_set_bus_num(I2C_PMIC);
+
+       i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
+       val &= ~DA9063_BUCK_MODE_MASK;
+       val |= DA9063_BUCK_MODE_SYNC;
+       i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
+
+       i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
+       val &= ~DA9063_BUCK_MODE_MASK;
+       val |= DA9063_BUCK_MODE_SYNC;
+       i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
+
+       i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
+       val &= ~DA9063_BUCK_MODE_MASK;
+       val |= DA9063_BUCK_MODE_SYNC;
+       i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
+
+       i2c_read(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
+       val &= ~DA9063_BUCK_MODE_MASK;
+       val |= DA9063_BUCK_MODE_SYNC;
+       i2c_write(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
+
+       i2c_read(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
+       val &= ~DA9063_BUCK_MODE_MASK;
+       val |= DA9063_BUCK_MODE_SYNC;
+       i2c_write(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
+
+       i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
+       val &= ~DA9063_BUCK_MODE_MASK;
+       val |= DA9063_BUCK_MODE_SYNC;
+       i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
+}
+
 int board_late_init(void)
 {
 #ifdef CONFIG_CMD_BMODE
        add_board_boot_modes(board_boot_modes);
 #endif
+
+#ifdef CONFIG_VIDEO_IPUV3
        /* We need at least 200ms between power on and backlight on
         * as per specifications from CHI MEI */
        mdelay(250);
@@ -615,6 +668,10 @@ int board_late_init(void)
        gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
 
        pwm_enable(0);
+#endif
+
+       /* board specific pmic init */
+       pmic_init();
 
        return 0;
 }