1/* SPDX-License-Identifier: Intel */ 2/* 3 * Copyright (C) 2015-2016 Intel Corp. 4 * (Written by Andrey Petrov <andrey.petrov@intel.com> for Intel Corp.) 5 * (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.) 6 * Mostly taken from coreboot fsp2_0/memory_init.c 7 */ 8 9#ifndef __ASM_FSP2_API_H 10#define __ASM_FSP2_API_H 11 12#include <asm/fsp/fsp_api.h> 13 14struct fspm_upd; 15struct fsps_upd; 16struct hob_header; 17 18enum fsp_boot_mode { 19 FSP_BOOT_WITH_FULL_CONFIGURATION = 0x00, 20 FSP_BOOT_WITH_MINIMAL_CONFIGURATION = 0x01, 21 FSP_BOOT_ASSUMING_NO_CONFIGURATION_CHANGES = 0x02, 22 FSP_BOOT_ON_S4_RESUME = 0x05, 23 FSP_BOOT_ON_S3_RESUME = 0x11, 24 FSP_BOOT_ON_FLASH_UPDATE = 0x12, 25 FSP_BOOT_IN_RECOVERY_MODE = 0x20 26}; 27 28struct __packed fsp_upd_header { 29 u64 signature; 30 u8 revision; 31 u8 reserved[23]; 32}; 33 34/** 35 * fsp_memory_init() - Init the SDRAM 36 * 37 * @s3wake: true if we are booting from resume, so cannot reinit the mememory 38 * from scatch since we will lose its contents 39 * @use_spi_flash: true to use the fast SPI driver to read FSP, otherwise use 40 * mapped SPI 41 * @return 0 if OK, -ve on error 42 */ 43int fsp_memory_init(bool s3wake, bool use_spi_flash); 44 45typedef asmlinkage int (*fsp_memory_init_func)(struct fspm_upd *params, 46 struct hob_header **hobp); 47 48/** 49 * fsp_silicon_init() - Init the silicon 50 * 51 * This calls the FSP's 'silicon init' entry point 52 * 53 * @s3wake: true if we are booting from resume, so cannot reinit the mememory 54 * from scatch since we will lose its contents 55 * @use_spi_flash: true to use the fast SPI driver to read FSP, otherwise use 56 * mapped SPI 57 * @return 0 if OK, -ve on error 58 */ 59int fsp_silicon_init(bool s3wake, bool use_spi_flash); 60 61typedef asmlinkage int (*fsp_silicon_init_func)(struct fsps_upd *params); 62 63#endif 64