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/* SPDX-License-Identifier: Intel */
/*
* Copyright (C) 2015-2016 Intel Corp.
* (Written by Andrey Petrov <andrey.petrov@intel.com> for Intel Corp.)
* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
* Mostly taken from coreboot fsp2_0/memory_init.c
*/
#ifndef __ASM_FSP2_API_H
#define __ASM_FSP2_API_H
#include <asm/fsp/fsp_api.h>
struct fspm_upd;
struct fsps_upd;
struct hob_header;
enum fsp_boot_mode {
FSP_BOOT_WITH_FULL_CONFIGURATION = 0x00,
FSP_BOOT_WITH_MINIMAL_CONFIGURATION = 0x01,
FSP_BOOT_ASSUMING_NO_CONFIGURATION_CHANGES = 0x02,
FSP_BOOT_ON_S4_RESUME = 0x05,
FSP_BOOT_ON_S3_RESUME = 0x11,
FSP_BOOT_ON_FLASH_UPDATE = 0x12,
FSP_BOOT_IN_RECOVERY_MODE = 0x20
};
struct __packed fsp_upd_header {
u64 signature;
u8 revision;
u8 reserved[23];
};
/**
* fsp_memory_init() - Init the SDRAM
*
* @s3wake: true if we are booting from resume, so cannot reinit the mememory
* from scatch since we will lose its contents
* @use_spi_flash: true to use the fast SPI driver to read FSP, otherwise use
* mapped SPI
* Return: 0 if OK, -ve on error
*/
int fsp_memory_init(bool s3wake, bool use_spi_flash);
typedef asmlinkage int (*fsp_memory_init_func)(struct fspm_upd *params,
struct hob_header **hobp);
/**
* fsp_silicon_init() - Init the silicon
*
* This calls the FSP's 'silicon init' entry point
*
* @s3wake: true if we are booting from resume, so cannot reinit the mememory
* from scatch since we will lose its contents
* @use_spi_flash: true to use the fast SPI driver to read FSP, otherwise use
* mapped SPI
* Return: 0 if OK, -ve on error
*/
int fsp_silicon_init(bool s3wake, bool use_spi_flash);
typedef asmlinkage int (*fsp_silicon_init_func)(struct fsps_upd *params);
#endif
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