blob: 5091dcc6e52a5cc97f5646e126ae6a64258f92b8 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-only */
#include <bootblock_common.h>
#include <device/mmio.h>
#include <gpio.h>
#include <soc/i2c.h>
#include <soc/pcie.h>
#include <soc/spi.h>
#include "gpio.h"
struct pad_func {
u8 pin_id;
u8 func;
};
#define PAD_FUNC(name, func) {PAD_##name##_ID, PAD_##name##_FUNC_##func}
static void nor_set_gpio_pinmux(void)
{
const struct pad_func *ptr = NULL;
/* GPIO 140 ~ 143 */
struct pad_func nor_pinmux[] = {
PAD_FUNC(SPIM2_CSB, SPINOR_CS),
PAD_FUNC(SPIM2_CLK, SPINOR_CK),
PAD_FUNC(SPIM2_MO, SPINOR_IO0),
PAD_FUNC(SPIM2_MI, SPINOR_IO1),
};
ptr = nor_pinmux;
for (size_t i = 0; i < ARRAY_SIZE(nor_pinmux); i++) {
gpio_set_pull((gpio_t){.id = ptr[i].pin_id},
GPIO_PULL_ENABLE, GPIO_PULL_UP);
gpio_set_mode((gpio_t){.id = ptr[i].pin_id}, ptr[i].func);
}
}
static void usb3_hub_reset(void)
{
gpio_output(GPIO(DGI_D7), 1);
}
void bootblock_mainboard_init(void)
{
/*
* Initialize PCIe pinmux and assert PERST# early to reduce
* the impact of 100ms delay.
*/
if (CONFIG(PCI))
mtk_pcie_pre_init();
mtk_i2c_bus_init(CONFIG_DRIVER_TPM_I2C_BUS, I2C_SPEED_FAST);
mtk_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS, SPI_PAD0_MASK, 3 * MHz, 0);
nor_set_gpio_pinmux();
setup_chromeos_gpios();
gpio_eint_configure(GPIO_GSC_AP_INT, IRQ_TYPE_EDGE_RISING);
usb3_hub_reset();
}