diff options
Diffstat (limited to 'board/freescale/mx6qsabreauto/mx6qsabreauto.c')
| -rw-r--r-- | board/freescale/mx6qsabreauto/mx6qsabreauto.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c index 928dadf..1fe13e0 100644 --- a/board/freescale/mx6qsabreauto/mx6qsabreauto.c +++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c @@ -132,6 +132,40 @@ iomux_v3_cfg_t const usdhc3_pads[] = { MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), }; +#ifdef CONFIG_LDO_BYPASS_CHECK +void ldo_mode_set(int ldo_bypass) +{ + unsigned char value; + /* 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"); + /* increase VDDARM to 1.425V */ + if (i2c_read(0x8, 0x20, 1, &value, 1)) { + printf("Read SW1AB error!\n"); + return; + } + value &= ~0x3f; + value |= 0x2d; + if (i2c_write(0x8, 0x20, 1, &value, 1)) { + printf("Set SW1AB error!\n"); + return; + } + /* increase VDDSOC to 1.425V */ + if (i2c_read(0x8, 0x2e, 1, &value, 1)) { + printf("Read SW1C error!\n"); + return; + } + value &= ~0x3f; + value |= 0x2d; + if (i2c_write(0x8, 0x2e, 1, &value, 1)) { + printf("Set SW1C error!\n"); + return; + } + } +} +#endif + static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); |