diff options
| -rw-r--r-- | src/mainboard/google/gru/bootblock.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/gru/bootblock.c b/src/mainboard/google/gru/bootblock.c index 7359f2a302..c5ab28a7b0 100644 --- a/src/mainboard/google/gru/bootblock.c +++ b/src/mainboard/google/gru/bootblock.c @@ -44,6 +44,10 @@ void bootblock_mainboard_early_init(void) */ write32(&rk3399_grf->io_vsel, RK_SETBITS(1 << 0)); + /* Scarlet gpio4cd iodomain is 1.8V */ + if (IS_ENABLED(CONFIG_BOARD_GOOGLE_SCARLET)) + write32(&rk3399_grf->io_vsel, RK_SETBITS(1 << 3)); + if (!IS_ENABLED(CONFIG_BOARD_GOOGLE_SCARLET)) { /* Enable rails powering GPIO blocks, among other things. These are EC-controlled on Scarlet and already on. */ |