diff options
Diffstat (limited to 'board/freescale/mx6qsabreauto/mx6qsabreauto.c')
| -rw-r--r-- | board/freescale/mx6qsabreauto/mx6qsabreauto.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c index 5376414..6bdcfd9 100644 --- a/board/freescale/mx6qsabreauto/mx6qsabreauto.c +++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c @@ -787,6 +787,44 @@ int power_init_board(void) return 0; } +#ifdef CONFIG_LDO_BYPASS_CHECK +void ldo_mode_set(int ldo_bypass) +{ + unsigned int value; + struct pmic *p = pmic_get("PFUZE100"); + + if (!p) { + printf("No PMIC found!\n"); + return; + } + + /* increase VDDARM/VDDSOC to support 1.2G chip */ + if (check_1_2G()) { + ldo_bypass = 0; /* ldo_enable on 1.2G chip */ + printf("1.2G chip, increase VDDARM_IN/VDDSOC_IN\n"); + + if (is_mx6dqp()) { + /* increase VDDARM to 1.425V */ + pmic_reg_read(p, PFUZE100_SW2VOL, &value); + value &= ~0x3f; + value |= 0x29; + pmic_reg_write(p, PFUZE100_SW2VOL, value); + } else { + /* increase VDDARM to 1.425V */ + pmic_reg_read(p, PFUZE100_SW1ABVOL, &value); + value &= ~0x3f; + value |= 0x2d; + pmic_reg_write(p, PFUZE100_SW1ABVOL, value); + } + /* increase VDDSOC to 1.425V */ + pmic_reg_read(p, PFUZE100_SW1CVOL, &value); + value &= ~0x3f; + value |= 0x2d; + pmic_reg_write(p, PFUZE100_SW1CVOL, value); + } +} +#endif + #ifdef CONFIG_CMD_BMODE static const struct boot_mode board_boot_modes[] = { /* 4 bit bus width */ |