diff options
Diffstat (limited to 'board/freescale/mx6sxsabreauto')
| -rw-r--r-- | board/freescale/mx6sxsabreauto/mx6sxsabreauto.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c b/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c index 77a0f53..ad50f77 100644 --- a/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c +++ b/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c @@ -325,6 +325,39 @@ 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; + } + + /* switch to ldo_bypass mode */ + if (ldo_bypass) { + /* decrease VDDARM to 1.15V */ + pmic_reg_read(p, PFUZE100_SW1ABVOL, &value); + value &= ~0x3f; + value |= PFUZE100_SW1ABC_SETP(11500); + pmic_reg_write(p, PFUZE100_SW1ABVOL, value); + + /* decrease VDDSOC to 1.15V */ + pmic_reg_read(p, PFUZE100_SW1CVOL, &value); + value &= ~0x3f; + value |= PFUZE100_SW1ABC_SETP(11500); + pmic_reg_write(p, PFUZE100_SW1CVOL, value); + + set_anatop_bypass(1); + + printf("switch to ldo_bypass mode!\n"); + } +} +#endif + #ifdef CONFIG_USB_EHCI_MX6 #define USB_OTHERREGS_OFFSET 0x800 #define UCTRL_PWR_POL (1 << 9) |