diff options
Diffstat (limited to 'src/mainboard/google/rush')
| -rw-r--r-- | src/mainboard/google/rush/romstage.c | 72 |
1 files changed, 26 insertions, 46 deletions
diff --git a/src/mainboard/google/rush/romstage.c b/src/mainboard/google/rush/romstage.c index b4d9714699..dae26efbce 100644 --- a/src/mainboard/google/rush/romstage.c +++ b/src/mainboard/google/rush/romstage.c @@ -21,64 +21,44 @@ #include <soc/addressmap.h> #include <soc/clock.h> +#include <soc/padconfig.h> #include <soc/nvidia/tegra/i2c.h> -#include <soc/nvidia/tegra132/pinmux.h> -#include <soc/nvidia/tegra132/gpio.h> static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE; -static void configure_tpm_i2c_bus(void) +static const struct pad_config padcfgs[] = { + /* SOC_WARM_RESET_L */ + PAD_CFG_GPIO_OUT1(GPIO_PI5, PINMUX_PULL_UP), + /* TPM I2C */ + PAD_CFG_SFIO(CAM_I2C_SCL, PINMUX_INPUT_ENABLE, I2C3), + PAD_CFG_SFIO(CAM_I2C_SDA, PINMUX_INPUT_ENABLE, I2C3), + /* EC on SPI1: mosi, miso, clk, cs */ + PAD_CFG_SFIO(ULPI_CLK, PINMUX_INPUT_ENABLE, SPI1), + PAD_CFG_SFIO(ULPI_DIR, PINMUX_INPUT_ENABLE, SPI1), + PAD_CFG_SFIO(ULPI_NXT, PINMUX_INPUT_ENABLE, SPI1), + PAD_CFG_SFIO(ULPI_STP, PINMUX_INPUT_ENABLE, SPI1), +}; + +static void configure_clocks(void) { - clock_configure_i2c_scl_freq(i2c3, PLLP, 19); - - i2c_init(2); -} + /* EC on SPI1 controller. */ + clock_enable_clear_reset(0, CLK_H_SBC1, 0, 0, 0, 0); + clock_configure_source(sbc1, CLK_M, 500); -static void mainboard_init_tpm_i2c(void) -{ + /* TPM on I2C3 controller */ clock_enable_clear_reset(0, 0, CLK_U_I2C3, 0, 0, 0); - - gpio_output(GPIO(I5), 1); - - // I2C3 (cam) clock. - pinmux_set_config(PINMUX_CAM_I2C_SCL_INDEX, - PINMUX_CAM_I2C_SCL_FUNC_I2C3 | PINMUX_INPUT_ENABLE); - // I2C3 (cam) data. - pinmux_set_config(PINMUX_CAM_I2C_SDA_INDEX, - PINMUX_CAM_I2C_SDA_FUNC_I2C3 | PINMUX_INPUT_ENABLE); - - - configure_tpm_i2c_bus(); + clock_configure_i2c_scl_freq(i2c3, PLLP, 19); } -static void mainboard_init_ec_spi(void) +void romstage_mainboard_init(void) { - clock_enable_clear_reset(0, CLK_H_SBC1, 0, 0, 0, 0); - - // SPI1 MOSI - pinmux_set_config(PINMUX_ULPI_CLK_INDEX, PINMUX_ULPI_CLK_FUNC_SPI1 | - PINMUX_PULL_NONE | - PINMUX_INPUT_ENABLE); - // SPI1 MISO - pinmux_set_config(PINMUX_ULPI_DIR_INDEX, PINMUX_ULPI_DIR_FUNC_SPI1 | - PINMUX_PULL_NONE | - PINMUX_INPUT_ENABLE); - // SPI1 SCLK - pinmux_set_config(PINMUX_ULPI_NXT_INDEX, PINMUX_ULPI_NXT_FUNC_SPI1 | - PINMUX_PULL_NONE | - PINMUX_INPUT_ENABLE); - // SPI1 CS0 - pinmux_set_config(PINMUX_ULPI_STP_INDEX, PINMUX_ULPI_STP_FUNC_SPI1 | - PINMUX_PULL_NONE | - PINMUX_INPUT_ENABLE); + configure_clocks(); - clock_configure_source(sbc1, CLK_M, 500); -} + /* Bring up controller interfaces for ramstage loading. */ + soc_configure_pads(padcfgs, ARRAY_SIZE(padcfgs)); -void romstage_mainboard_init(void) -{ - mainboard_init_tpm_i2c(); - mainboard_init_ec_spi(); + /* TPM I2C bus */ + i2c_init(2); } void mainboard_configure_pmc(void) |