diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mx6slevk/mx6slevk.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c index c4fdd8b..4cc9604 100644 --- a/board/freescale/mx6slevk/mx6slevk.c +++ b/board/freescale/mx6slevk/mx6slevk.c @@ -177,6 +177,54 @@ static int setup_pmic_voltages(void) return -1; } printf("Found PFUZE100! deviceid=%x,revid=%x\n", value, rev_id); + + /* set SW1AB staby volatage 0.975V */ + if (i2c_read(0x8, 0x21, 1, &value, 1)) { + printf("Read SW1ABSTBY error!\n"); + return -1; + } + value &= ~0x3f; + value |= 0x1b; + if (i2c_write(0x8, 0x21, 1, &value, 1)) { + printf("Set SW1ABSTBY error!\n"); + return -1; + } + + /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ + if (i2c_read(0x8, 0x24, 1, &value, 1)) { + printf("Read SW1ABCONFIG error!\n"); + return -1; + } + value &= ~0xc0; + value |= 0x40; + if (i2c_write(0x8, 0x24, 1, &value, 1)) { + printf("Set SW1ABCONFIG error!\n"); + return -1; + } + + /* set SW1C staby volatage 0.975V */ + if (i2c_read(0x8, 0x2f, 1, &value, 1)) { + printf("Read SW1CSTBY error!\n"); + return -1; + } + value &= ~0x3f; + value |= 0x1b; + if (i2c_write(0x8, 0x2f, 1, &value, 1)) { + printf("Set SW1CSTBY error!\n"); + return -1; + } + + /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */ + if (i2c_read(0x8, 0x32, 1, &value, 1)) { + printf("Read SW1CCONFIG error!\n"); + return -1; + } + value &= ~0xc0; + value |= 0x40; + if (i2c_write(0x8, 0x32, 1, &value, 1)) { + printf("Set SW1CCONFIG error!\n"); + return -1; + } } return 0; |