diff options
Diffstat (limited to 'src/mainboard/google/gru/bootblock.c')
| -rw-r--r-- | src/mainboard/google/gru/bootblock.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/src/mainboard/google/gru/bootblock.c b/src/mainboard/google/gru/bootblock.c index 4320fcedad..7359f2a302 100644 --- a/src/mainboard/google/gru/bootblock.c +++ b/src/mainboard/google/gru/bootblock.c @@ -44,12 +44,12 @@ void bootblock_mainboard_early_init(void) */ write32(&rk3399_grf->io_vsel, RK_SETBITS(1 << 0)); - /* - * Let's enable these power rails here, we are already running the SPI - * Flash based code. - */ - gpio_output(GPIO(0, B, 2), 1); /* PP1500_EN */ - gpio_output(GPIO(0, B, 4), 1); /* PP3000_EN */ + if (!IS_ENABLED(CONFIG_BOARD_GOOGLE_SCARLET)) { + /* Enable rails powering GPIO blocks, among other things. + These are EC-controlled on Scarlet and already on. */ + gpio_output(GPIO_P15V_EN, 1); + gpio_output(GPIO_P30V_EN, 1); + } #if IS_ENABLED(CONFIG_DRIVERS_UART) _Static_assert(CONFIG_CONSOLE_SERIAL_UART_ADDRESS == UART2_BASE, @@ -92,14 +92,21 @@ static void configure_ec(void) static void configure_tpm(void) { if (IS_ENABLED(CONFIG_GRU_HAS_TPM2)) { - gpio_input(GPIO(3, A, 4)); /* SPI0_MISO remove pull-up */ - gpio_input(GPIO(3, A, 5)); /* SPI0_MOSI remove pull-up */ - gpio_input(GPIO(3, A, 6)); /* SPI0_CLK remove pull-up */ - gpio_input_pullup(GPIO(3, A, 7)); /* SPI0_CS confirm */ - rockchip_spi_init(CONFIG_DRIVER_TPM_SPI_BUS, 1500*KHz); - write32(&rk3399_grf->iomux_spi0, IOMUX_SPI0); + if (IS_ENABLED(CONFIG_BOARD_GOOGLE_SCARLET)) { + gpio_input(GPIO(2, B, 1)); /* SPI2_MISO no-pull */ + gpio_input(GPIO(2, B, 2)); /* SPI2_MOSI no-pull */ + gpio_input(GPIO(2, B, 3)); /* SPI2_CLK no-pull */ + gpio_input_pullup(GPIO(2, B, 4)); /* SPI2_CS */ + write32(&rk3399_grf->iomux_spi2, IOMUX_SPI2); + } else { + gpio_input(GPIO(3, A, 4)); /* SPI0_MISO no-pull */ + gpio_input(GPIO(3, A, 5)); /* SPI0_MOSI no-pull */ + gpio_input(GPIO(3, A, 6)); /* SPI0_CLK no-pull */ + gpio_input_pullup(GPIO(3, A, 7)); /* SPI0_CS */ + write32(&rk3399_grf->iomux_spi0, IOMUX_SPI0); + } gpio_input_irq(GPIO_TPM_IRQ, IRQ_TYPE_EDGE_RISING); } else { |