diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/veyron_jerry/mainboard.c | 7 | ||||
| -rw-r--r-- | src/mainboard/google/veyron_pinky/mainboard.c | 7 |
2 files changed, 12 insertions, 2 deletions
diff --git a/src/mainboard/google/veyron_jerry/mainboard.c b/src/mainboard/google/veyron_jerry/mainboard.c index 2442472b67..0166796b9e 100644 --- a/src/mainboard/google/veyron_jerry/mainboard.c +++ b/src/mainboard/google/veyron_jerry/mainboard.c @@ -79,7 +79,12 @@ static void configure_emmc(void) writel(IOMUX_EMMCPWREN, &rk3288_grf->iomux_emmcpwren); writel(IOMUX_EMMCCMD, &rk3288_grf->iomux_emmccmd); - gpio_output(GPIO(7, B, 4), 1); /* EMMC_RST_L */ + /* + * Use a pullup instead of a drive since the output is 3.3V and + * really should be 1.8V (oops). The external pulldown will help + * bring the voltage down if we only drive with a pullup here. + */ + gpio_input_pullup(GPIO(7, B, 4)); /* EMMC_RST_L */ } static void configure_codec(void) diff --git a/src/mainboard/google/veyron_pinky/mainboard.c b/src/mainboard/google/veyron_pinky/mainboard.c index 2442472b67..0166796b9e 100644 --- a/src/mainboard/google/veyron_pinky/mainboard.c +++ b/src/mainboard/google/veyron_pinky/mainboard.c @@ -79,7 +79,12 @@ static void configure_emmc(void) writel(IOMUX_EMMCPWREN, &rk3288_grf->iomux_emmcpwren); writel(IOMUX_EMMCCMD, &rk3288_grf->iomux_emmccmd); - gpio_output(GPIO(7, B, 4), 1); /* EMMC_RST_L */ + /* + * Use a pullup instead of a drive since the output is 3.3V and + * really should be 1.8V (oops). The external pulldown will help + * bring the voltage down if we only drive with a pullup here. + */ + gpio_input_pullup(GPIO(7, B, 4)); /* EMMC_RST_L */ } static void configure_codec(void) |