| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <amdblocks/acpimmio.h> |
| #include <amdblocks/aoac.h> |
| #include <amdblocks/espi.h> |
| #include <amdblocks/i2c.h> |
| #include <amdblocks/lpc.h> |
| #include <amdblocks/pmlib.h> |
| #include <amdblocks/smbus.h> |
| #include <amdblocks/spi.h> |
| #include <soc/i2c.h> |
| #include <soc/southbridge.h> |
| #include <soc/uart.h> |
| #include <types.h> |
| |
| #include "chip.h" |
| |
| static void lpc_configure_decodes(void) |
| { |
| if (CONFIG(POST_IO) && (CONFIG_POST_IO_PORT == 0x80)) |
| lpc_enable_port80(); |
| } |
| |
| /* Before console init */ |
| void fch_pre_init(void) |
| { |
| /* Enable_acpimmio_decode_pm04 to enable the ACPIMMIO decode which is needed to access |
| the GPIO registers. */ |
| enable_acpimmio_decode_pm04(); |
| /* Setup SPI base by calling lpc_early_init before setting up eSPI. */ |
| lpc_early_init(); |
| |
| /* Setup eSPI to enable port80 routing if the board is using eSPI and the eSPI |
| interface hasn't already been set up in verstage on PSP */ |
| if (CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI) && !CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK)) |
| configure_espi_with_mb_hook(); |
| |
| if (!CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI)) |
| lpc_configure_decodes(); |
| |
| fch_spi_early_init(); |
| fch_smbus_init(); |
| fch_enable_cf9_io(); |
| fch_enable_legacy_io(); |
| enable_aoac_devices(); |
| |
| /* |
| * On reset Range_0 defaults to enabled. We want to start with a clean |
| * slate to not have things unexpectedly enabled. |
| */ |
| clear_uart_legacy_config(); |
| |
| if (CONFIG(AMD_SOC_CONSOLE_UART)) |
| set_uart_config(CONFIG_UART_FOR_CONSOLE); |
| |
| /* disable the keyboard reset function before mainboard GPIO setup */ |
| if (CONFIG(DISABLE_KEYBOARD_RESET_PIN)) |
| fch_disable_kb_rst(); |
| } |
| |
| /* After console init */ |
| void fch_early_init(void) |
| { |
| reset_i2c_peripherals(); |
| pm_set_power_failure_state(); |
| fch_print_pmxc0_status(); |
| i2c_soc_early_init(); |
| show_spi_speeds_and_modes(); |
| |
| if (CONFIG(DISABLE_SPI_FLASH_ROM_SHARING)) |
| lpc_disable_spi_rom_sharing(); |
| } |