diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/rush/mainboard.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/mainboard/google/rush/mainboard.c b/src/mainboard/google/rush/mainboard.c index 9b8e354b62..6db314fec3 100644 --- a/src/mainboard/google/rush/mainboard.c +++ b/src/mainboard/google/rush/mainboard.c @@ -20,8 +20,75 @@ #include <device/device.h> #include <boot/coreboot_tables.h> +#include <soc/clock.h> +#include <soc/nvidia/tegra132/gpio.h> +#include <soc/nvidia/tegra132/clk_rst.h> +#include <soc/addressmap.h> + +static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE; + +static void init_mmc(void) +{ + clock_configure_source(sdmmc3, PLLP, 48000); + clock_configure_source(sdmmc4, PLLP, 48000); + + uint32_t pin_up = PINMUX_PULL_UP | PINMUX_INPUT_ENABLE, + pin_down = PINMUX_PULL_DOWN | PINMUX_INPUT_ENABLE, + pin_none = PINMUX_PULL_NONE | PINMUX_INPUT_ENABLE; + + // MMC3 (sdcard reader) + pinmux_set_config(PINMUX_SDMMC3_CLK_INDEX, + PINMUX_SDMMC3_CLK_FUNC_SDMMC3 | pin_none); + pinmux_set_config(PINMUX_SDMMC3_CMD_INDEX, + PINMUX_SDMMC3_CMD_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_DAT0_INDEX, + PINMUX_SDMMC3_DAT0_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_DAT1_INDEX, + PINMUX_SDMMC3_DAT1_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_DAT2_INDEX, + PINMUX_SDMMC3_DAT2_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_DAT3_INDEX, + PINMUX_SDMMC3_DAT3_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_CLK_LB_IN_INDEX, + PINMUX_SDMMC3_CLK_LB_IN_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_CLK_LB_OUT_INDEX, + PINMUX_SDMMC3_CLK_LB_OUT_FUNC_SDMMC3 | pin_down); + + // MMC3 Card Detect pin. + gpio_input_pullup(GPIO(V2)); + // Disable SD card reader power so it can be reset even on warm boot. + // Payloads must enable power before accessing SD card slots. + gpio_output(GPIO(R0), 0); + + // MMC4 (eMMC) + pinmux_set_config(PINMUX_SDMMC4_CLK_INDEX, + PINMUX_SDMMC4_CLK_FUNC_SDMMC4 | pin_none); + pinmux_set_config(PINMUX_SDMMC4_CMD_INDEX, + PINMUX_SDMMC4_CMD_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT0_INDEX, + PINMUX_SDMMC4_DAT0_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT1_INDEX, + PINMUX_SDMMC4_DAT1_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT2_INDEX, + PINMUX_SDMMC4_DAT2_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT3_INDEX, + PINMUX_SDMMC4_DAT3_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT4_INDEX, + PINMUX_SDMMC4_DAT4_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT5_INDEX, + PINMUX_SDMMC4_DAT5_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT6_INDEX, + PINMUX_SDMMC4_DAT6_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT7_INDEX, + PINMUX_SDMMC4_DAT7_FUNC_SDMMC4 | pin_up); + +} + static void mainboard_init(device_t dev) { + clock_enable_clear_reset(CLK_L_SDMMC4, 0, CLK_U_SDMMC3, 0, 0, 0); + + init_mmc(); } static void mainboard_enable(device_t dev) |