diff options
| author | Tom Warren <twarren@nvidia.com> | 2014-07-01 17:08:27 -0700 |
|---|---|---|
| committer | Marc Jones <marc.jones@se-eng.com> | 2015-03-04 19:56:26 +0100 |
| commit | dfe7ea2b4eb86afcb59819fc9a72a41ceede8215 (patch) | |
| tree | 5a25cbebcadb0d383783a030bac89088ee2be31e | |
| parent | d2907c1e0267eddd1a04e4d6d9670ef95c43e0b9 (diff) | |
rush: PMIC: initial AS3722 PMIC writes for Rush
Still waiting on VDD_CPU value, etc. from board guys, but this is a start.
BUG=None
BRANCH=None
TEST=Built and flashed rush, saw 'PMIC init done' string OK.
Original-Change-Id: I6f8b16c4ebf1e9c159f8175d59262119ef0e498f
Original-Signed-off-by: Tom Warren <twarren@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/206412
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit 96a9ff8f632c2b9bf3f81f5b8fc4f3b6784a02bc)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I9d3d7ff55f2d6ca88ebdcc8ad1d7de135f5136d2
Reviewed-on: http://review.coreboot.org/8582
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
| -rw-r--r-- | src/mainboard/google/rush/pmic.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/src/mainboard/google/rush/pmic.c b/src/mainboard/google/rush/pmic.c index c114066e8e..7aa7dc93d4 100644 --- a/src/mainboard/google/rush/pmic.c +++ b/src/mainboard/google/rush/pmic.c @@ -92,19 +92,13 @@ void pmic_init(unsigned bus) /* Restore PMIC POR defaults, in case kernel changed 'em */ pmic_slam_defaults(bus); - /* First set VDD_CPU to 1.2V, then enable the VDD_CPU regulator. */ - if (board_id() == 0) - pmic_write_reg(bus, 0x00, 0x3c, 1); - else - pmic_write_reg(bus, 0x00, 0x50, 1); + /* SDO0: Set VDD_CPU to 1.2V. */ + pmic_write_reg(bus, 0x00, 0x50, 1); - /* First set VDD_GPU to 1.0V, then enable the VDD_GPU regulator. */ + /* SDO6: Set VDD_GPU to 1.0V. */ pmic_write_reg(bus, 0x06, 0x28, 1); - /* - * First set +1.2V_GEN_AVDD to 1.2V, then enable the +1.2V_GEN_AVDD - * regulator. - */ + /* LDO2: Set +1.2V_GEN_AVDD to 1.2V */ pmic_write_reg(bus, 0x12, 0x10, 1); /* @@ -113,4 +107,6 @@ void pmic_init(unsigned bus) */ pmic_write_reg(bus, 0x0c, 0x07, 0); pmic_write_reg(bus, 0x20, 0x10, 1); + + printk(BIOS_DEBUG, "PMIC init done\n"); } |