diff options
| -rw-r--r-- | board/ti/am57xx/board.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c index 797d7a4..5f2d4df 100644 --- a/board/ti/am57xx/board.c +++ b/board/ti/am57xx/board.c @@ -55,6 +55,9 @@ DECLARE_GLOBAL_DATA_PTR; #define SYSINFO_BOARD_NAME_MAX_LEN 45 +#define TPS65903X_PRIMARY_SECONDARY_PAD2 0xFB +#define TPS65903X_PAD2_POWERHOLD_MASK 0x20 + const struct omap_sysinfo sysinfo = { "Board: UNKNOWN(BeagleBoard X15?) REV UNKNOWN\n" }; @@ -457,6 +460,7 @@ int board_init(void) int board_late_init(void) { setup_board_eeprom_env(); + u8 val; /* * DEV_CTRL.DEV_ON = 1 please - else palmas switches off in 8 seconds @@ -471,6 +475,18 @@ int board_late_init(void) if (get_device_type() == HS_DEVICE) setenv("boot_fit", "1"); + /* + * Set the GPIO7 Pad to POWERHOLD. This has higher priority + * over DEV_CTRL.DEV_ON bit. This can be reset in case of + * PMIC Power off. So to be on the safer side set it back + * to POWERHOLD mode irrespective of the current state. + */ + palmas_i2c_read_u8(TPS65903X_CHIP_P1, TPS65903X_PRIMARY_SECONDARY_PAD2, + &val); + val = val | TPS65903X_PAD2_POWERHOLD_MASK; + palmas_i2c_write_u8(TPS65903X_CHIP_P1, TPS65903X_PRIMARY_SECONDARY_PAD2, + val); + return 0; } |