1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 /* TODO: Update for Phoenix */ 4 5 #include <amdblocks/acpimmio.h> 6 #include <amdblocks/aoac.h> 7 #include <amdblocks/espi.h> 8 #include <amdblocks/i2c.h> 9 #include <amdblocks/lpc.h> 10 #include <amdblocks/pmlib.h> 11 #include <amdblocks/smbus.h> 12 #include <amdblocks/uart.h> 13 #include <soc/i2c.h> 14 #include <soc/southbridge.h> 15 #include <soc/uart.h> 16 17 #include "chip.h" 18 19 /* Before console init */ fch_pre_init(void)20void fch_pre_init(void) 21 { 22 /* 23 * PM_04_ACPIMMIO_DECODE_EN which enables the ACPIMMIO decode is already set after 24 * reset. Since the IO port based indirect PM register space access isn't implemented 25 * in Phoenix any more, don't call enable_acpimmio_decode_pm04() which uses the 26 * indirect PM register space access via the IO ports that aren't implemented any more. 27 */ 28 /* Setup SPI base by calling lpc_early_init before setting up eSPI. */ 29 lpc_early_init(); 30 31 /* Setup eSPI to enable port80 routing if the board is using eSPI and the eSPI 32 interface hasn't already been set up in verstage on PSP */ 33 if (CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI) && !CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK)) 34 configure_espi_with_mb_hook(); 35 36 fch_spi_early_init(); 37 fch_smbus_init(); 38 fch_enable_cf9_io(); 39 fch_enable_legacy_io(); 40 fch_disable_legacy_dma_io(); 41 enable_aoac_devices(); 42 43 /* 44 * On reset Range_0 defaults to enabled. We want to start with a clean 45 * slate to not have things unexpectedly enabled. 46 */ 47 clear_uart_legacy_config(); 48 49 if (CONFIG(AMD_SOC_CONSOLE_UART)) 50 set_uart_config(CONFIG_UART_FOR_CONSOLE); 51 52 /* disable the keyboard reset function before mainboard GPIO setup */ 53 if (CONFIG(DISABLE_KEYBOARD_RESET_PIN)) 54 fch_disable_kb_rst(); 55 } 56 57 /* After console init */ fch_early_init(void)58void fch_early_init(void) 59 { 60 reset_i2c_peripherals(); 61 pm_set_power_failure_state(); 62 fch_print_pmxc0_status(); 63 i2c_soc_early_init(); 64 show_spi_speeds_and_modes(); 65 66 if (CONFIG(DISABLE_SPI_FLASH_ROM_SHARING)) 67 lpc_disable_spi_rom_sharing(); 68 } 69