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| author | Anson Huang <b20788@freescale.com> | 2015-07-30 11:27:22 +0800 |
|---|---|---|
| committer | Anson Huang <b20788@freescale.com> | 2015-08-03 09:29:58 +0800 |
| commit | 1eb44fca8789cc1aa605cbfcc7691829b188629e (patch) | |
| tree | 0b914d8899de75607ec37f0dc620e7de5ba9bfed | |
| parent | 8f48bb71889fa1380cece2034242d182097b6e9d (diff) | |
| download | u-boot-imx-1eb44fca8789cc1aa605cbfcc7691829b188629e.zip u-boot-imx-1eb44fca8789cc1aa605cbfcc7691829b188629e.tar.gz u-boot-imx-1eb44fca8789cc1aa605cbfcc7691829b188629e.tar.bz2 | |
MLK-11299 ARM: imx7d: initialize PMIC standby mode and voltage
Datasheet Rev-B defines standby voltage as 1V for i.MX7D, we add
25mV for board level IR drop.
Signed-off-by: Anson Huang <b20788@freescale.com>
5 files changed, 67 insertions, 0 deletions
diff --git a/board/freescale/mx7d_12x12_ddr3_arm2/mx7d_12x12_ddr3_arm2.c b/board/freescale/mx7d_12x12_ddr3_arm2/mx7d_12x12_ddr3_arm2.c index 0c1b4ce..19d1ebb 100644 --- a/board/freescale/mx7d_12x12_ddr3_arm2/mx7d_12x12_ddr3_arm2.c +++ b/board/freescale/mx7d_12x12_ddr3_arm2/mx7d_12x12_ddr3_arm2.c @@ -316,6 +316,16 @@ int power_init_board(void) reg |= 0x1; pmic_reg_write(p, PFUZE300_LDOGCTL, reg); + /* SW1A/1B mode set to APS/APS */ + reg = 0x8; + pmic_reg_write(p, PFUZE300_SW1AMODE, reg); + pmic_reg_write(p, PFUZE300_SW1BMODE, reg); + + /* SW1A/1B standby voltage set to 1.025V */ + reg = 0xd; + pmic_reg_write(p, PFUZE300_SW1ASTBY, reg); + pmic_reg_write(p, PFUZE300_SW1BSTBY, reg); + return 0; } #endif diff --git a/board/freescale/mx7d_12x12_lpddr3_arm2/mx7d_12x12_lpddr3_arm2.c b/board/freescale/mx7d_12x12_lpddr3_arm2/mx7d_12x12_lpddr3_arm2.c index ce11a21..7bed3ad 100644 --- a/board/freescale/mx7d_12x12_lpddr3_arm2/mx7d_12x12_lpddr3_arm2.c +++ b/board/freescale/mx7d_12x12_lpddr3_arm2/mx7d_12x12_lpddr3_arm2.c @@ -869,6 +869,16 @@ int power_init_board(void) reg |= 0x1; pmic_reg_write(p, PFUZE300_LDOGCTL, reg); + /* SW1A/1B mode set to APS/APS */ + reg = 0x8; + pmic_reg_write(p, PFUZE300_SW1AMODE, reg); + pmic_reg_write(p, PFUZE300_SW1BMODE, reg); + + /* SW1A/1B standby voltage set to 1.025V */ + reg = 0xd; + pmic_reg_write(p, PFUZE300_SW1ASTBY, reg); + pmic_reg_write(p, PFUZE300_SW1BSTBY, reg); + return 0; } #endif diff --git a/board/freescale/mx7d_19x19_ddr3_arm2/mx7d_19x19_ddr3_arm2.c b/board/freescale/mx7d_19x19_ddr3_arm2/mx7d_19x19_ddr3_arm2.c index 84e08ba..6b75ec6 100644 --- a/board/freescale/mx7d_19x19_ddr3_arm2/mx7d_19x19_ddr3_arm2.c +++ b/board/freescale/mx7d_19x19_ddr3_arm2/mx7d_19x19_ddr3_arm2.c @@ -620,6 +620,16 @@ int power_init_board(void) reg |= 0x1; pmic_reg_write(p, PFUZE300_LDOGCTL, reg); + /* SW1A/1B mode set to APS/APS */ + reg = 0x8; + pmic_reg_write(p, PFUZE300_SW1AMODE, reg); + pmic_reg_write(p, PFUZE300_SW1BMODE, reg); + + /* SW1A/1B standby voltage set to 1.025V */ + reg = 0xd; + pmic_reg_write(p, PFUZE300_SW1ASTBY, reg); + pmic_reg_write(p, PFUZE300_SW1BSTBY, reg); + return 0; } #endif diff --git a/board/freescale/mx7d_19x19_lpddr3_arm2/mx7d_19x19_lpddr3_arm2.c b/board/freescale/mx7d_19x19_lpddr3_arm2/mx7d_19x19_lpddr3_arm2.c index 27ee853..442c356 100644 --- a/board/freescale/mx7d_19x19_lpddr3_arm2/mx7d_19x19_lpddr3_arm2.c +++ b/board/freescale/mx7d_19x19_lpddr3_arm2/mx7d_19x19_lpddr3_arm2.c @@ -553,6 +553,11 @@ static const struct boot_mode board_boot_modes[] = { #define PFUZE_FABID 0x4 #define PFUZE_LDOGCTL 0x69 +#define PFUZE300_SW1ASTBY 0x21 +#define PFUZE300_SW1AMODE 0x23 +#define PFUZE300_SW1BSTBY 0x2f +#define PFUZE300_SW1BMODE 0x31 + static int setup_pmic_voltages(void) { @@ -582,6 +587,28 @@ static int setup_pmic_voltages(void) printf("Set LDOCTL error!\n"); return -1; } + + /* SW1A/1B mode set to APS/APS */ + value = 0x8; + if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE300_SW1AMODE, 1, &value, 1)) { + printf("Set PFUZE300_SW1AMODE error!\n"); + return -1; + } + if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE300_SW1BMODE, 1, &value, 1)) { + printf("Set PFUZE300_SW1BMODE error!\n"); + return -1; + } + + /* SW1A/1B standby voltage set to 1.025V */ + value = 0xd; + if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE300_SW1ASTBY, 1, &value, 1)) { + printf("Set PFUZE300_SW1ASTBY error!\n"); + return -1; + } + if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE300_SW1BSTBY, 1, &value, 1)) { + printf("Set PFUZE300_SW1BSTBY error!\n"); + return -1; + } } return 0; diff --git a/board/freescale/mx7dsabresd/mx7dsabresd.c b/board/freescale/mx7dsabresd/mx7dsabresd.c index 77e730d..8d15b63 100644 --- a/board/freescale/mx7dsabresd/mx7dsabresd.c +++ b/board/freescale/mx7dsabresd/mx7dsabresd.c @@ -990,6 +990,16 @@ int power_init_board(void) reg |= 0x1; pmic_reg_write(p, PFUZE300_LDOGCTL, reg); + /* SW1A/1B mode set to APS/APS */ + reg = 0x8; + pmic_reg_write(p, PFUZE300_SW1AMODE, reg); + pmic_reg_write(p, PFUZE300_SW1BMODE, reg); + + /* SW1A/1B standby voltage set to 1.025V */ + reg = 0xd; + pmic_reg_write(p, PFUZE300_SW1ASTBY, reg); + pmic_reg_write(p, PFUZE300_SW1BSTBY, reg); + return 0; } #endif |