diff options
| author | Shawn Nematbakhsh <shawnn@chromium.org> | 2013-12-05 14:57:08 -0800 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-05-08 07:07:07 +0200 |
| commit | 70cc9084a51e7f276b20d146fdab5fda6884febb (patch) | |
| tree | bb5aa3c575d02673ea0a1dec302a6416377d8b58 /src/mainboard | |
| parent | fad3703ce80011ccc0eaef03fb0575f591085d5f (diff) | |
rambi: Change eMMC pin PUs to 2K
Strengthen PUs on all eMMC pins to fix problems with eMMC not coming up
on certain boards.
BUG=chrome-os-partner:24353
TEST=Manual. Burn FW on board that previously failed to boot eMMC,
verify chromeos can now install + boot from eMMC.
BRANCH=none
Change-Id: I7a9742968b8b8c2c42285ffc21de46aed9c87fb7
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/178917
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4991
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/rambi/gpio.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/src/mainboard/google/rambi/gpio.c b/src/mainboard/google/rambi/gpio.c index 68a5970345..3bc6bd89e6 100644 --- a/src/mainboard/google/rambi/gpio.c +++ b/src/mainboard/google/rambi/gpio.c @@ -72,17 +72,18 @@ static const struct soc_gpio_map gpscore_gpio_map[] = { GPIO_NC, /* S0-SC013 - NC */ GPIO_INPUT, /* S0-SC014 - DET_TRIGGER - INT */ GPIO_INPUT, /* S0-SC015 - AJACK_MICPRES_L - INT */ - GPIO_FUNC(3, PULL_UP, 10K), /* S0-SC016 - MMC1_45_CLK */ - GPIO_FUNC(3, PULL_UP, 10K), /* S0-SC017 - MMC1_45_D[0] */ - GPIO_FUNC(3, PULL_UP, 10K), /* S0-SC018 - MMC1_45_D[1] */ - GPIO_FUNC(3, PULL_UP, 10K), /* S0-SC019 - MMC1_45_D[2] */ - GPIO_FUNC(3, PULL_UP, 10K), /* S0-SC020 - MMC1_45_D[3] */ - GPIO_FUNC(3, PULL_UP, 10K), /* S0-SC021 - MMC1_45_D[4] */ - GPIO_FUNC(3, PULL_UP, 10K), /* S0-SC022 - MMC1_45_D[5] */ - GPIO_FUNC(3, PULL_UP, 10K), /* S0-SC023 - MMC1_45_D[6] */ - GPIO_FUNC(3, PULL_UP, 10K), /* S0-SC024 - MMC1_45_D[7] */ + /* TODO(shawnn): Investigate if these PUs can be weakened. */ + GPIO_FUNC(3, PULL_UP, 2K), /* S0-SC016 - MMC1_45_CLK */ + GPIO_FUNC(3, PULL_UP, 2K), /* S0-SC017 - MMC1_45_D[0] */ + GPIO_FUNC(3, PULL_UP, 2K), /* S0-SC018 - MMC1_45_D[1] */ + GPIO_FUNC(3, PULL_UP, 2K), /* S0-SC019 - MMC1_45_D[2] */ + GPIO_FUNC(3, PULL_UP, 2K), /* S0-SC020 - MMC1_45_D[3] */ + GPIO_FUNC(3, PULL_UP, 2K), /* S0-SC021 - MMC1_45_D[4] */ + GPIO_FUNC(3, PULL_UP, 2K), /* S0-SC022 - MMC1_45_D[5] */ + GPIO_FUNC(3, PULL_UP, 2K), /* S0-SC023 - MMC1_45_D[6] */ + GPIO_FUNC(3, PULL_UP, 2K), /* S0-SC024 - MMC1_45_D[7] */ GPIO_FUNC(3, PULL_UP, 2K), /* S0-SC025 - MMC1_45_CMD */ - GPIO_FUNC(3, PULL_UP, 10K), /* S0-SC026 - MMC1_45_RST */ + GPIO_FUNC(3, PULL_UP, 2K), /* S0-SC026 - MMC1_45_RST */ GPIO_NC, /* S0-SC027 - NC */ GPIO_NC, /* S0-SC028 - NC */ GPIO_NC, /* S0-SC029 - NC */ |