diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/rush/mainboard.c | 90 |
1 files changed, 35 insertions, 55 deletions
diff --git a/src/mainboard/google/rush/mainboard.c b/src/mainboard/google/rush/mainboard.c index fd8a4699e5..8364513f15 100644 --- a/src/mainboard/google/rush/mainboard.c +++ b/src/mainboard/google/rush/mainboard.c @@ -21,68 +21,47 @@ #include <boot/coreboot_tables.h> #include <soc/clock.h> -#include <soc/nvidia/tegra132/gpio.h> #include <soc/nvidia/tegra132/clk_rst.h> #include <soc/nvidia/tegra132/spi.h> #include <soc/addressmap.h> +#include <soc/padconfig.h> static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE; -static void init_mmc(void) +static const struct pad_config padcfgs[] = { + /* MMC3(SDCARD) */ + PAD_CFG_SFIO(SDMMC3_CLK, PINMUX_INPUT_ENABLE, SDMMC3), + PAD_CFG_SFIO(SDMMC3_CMD, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC3), + PAD_CFG_SFIO(SDMMC3_DAT0, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC3), + PAD_CFG_SFIO(SDMMC3_DAT1, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC3), + PAD_CFG_SFIO(SDMMC3_DAT2, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC3), + PAD_CFG_SFIO(SDMMC3_DAT3, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC3), + PAD_CFG_SFIO(SDMMC3_CLK_LB_IN, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC3), + PAD_CFG_SFIO(SDMMC3_CLK_LB_OUT, PINMUX_INPUT_ENABLE | PINMUX_PULL_DOWN, SDMMC3), + /* MMC3 Card Detect pin */ + PAD_CFG_GPIO_INPUT(SDMMC3_CD_N, PINMUX_PULL_UP), + /* Disable SD card reader power so it can be reset even on warm boot. + Payloads must enable power before accessing SD card slots. */ + PAD_CFG_GPIO_OUT0(KB_ROW0, PINMUX_PULL_NONE), + /* MMC4 (eMMC) */ + PAD_CFG_SFIO(SDMMC4_CLK, PINMUX_INPUT_ENABLE, SDMMC4), + PAD_CFG_SFIO(SDMMC4_CMD, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), + PAD_CFG_SFIO(SDMMC4_DAT0, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), + PAD_CFG_SFIO(SDMMC4_DAT1, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), + PAD_CFG_SFIO(SDMMC4_DAT2, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), + PAD_CFG_SFIO(SDMMC4_DAT3, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), + PAD_CFG_SFIO(SDMMC4_DAT4, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), + PAD_CFG_SFIO(SDMMC4_DAT5, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), + PAD_CFG_SFIO(SDMMC4_DAT6, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), + PAD_CFG_SFIO(SDMMC4_DAT7, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), +}; + +static void configure_clocks(void) { + /* MMC */ + clock_enable_clear_reset(CLK_L_SDMMC4, 0, CLK_U_SDMMC3, 0, 0, 0); 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 setup_ec_spi(void) @@ -94,9 +73,10 @@ static void setup_ec_spi(void) static void mainboard_init(device_t dev) { - clock_enable_clear_reset(CLK_L_SDMMC4, 0, CLK_U_SDMMC3, 0, 0, 0); + configure_clocks(); + + soc_configure_pads(padcfgs, ARRAY_SIZE(padcfgs)); - init_mmc(); setup_ec_spi(); } |