mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 17:58:23 +00:00
214feec1c5
fsp_init() runtime buffer parameter might be different across different platforms. Move this to update_fsp_configs(). Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org>
211 lines
5.9 KiB
C
211 lines
5.9 KiB
C
/*
|
|
* Copyright (C) 2013, Intel Corporation
|
|
* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: Intel
|
|
*/
|
|
|
|
#ifndef __FSP_SUPPORT_H__
|
|
#define __FSP_SUPPORT_H__
|
|
|
|
#include "fsp_types.h"
|
|
#include "fsp_fv.h"
|
|
#include "fsp_ffs.h"
|
|
#include "fsp_api.h"
|
|
#include "fsp_hob.h"
|
|
#include "fsp_infoheader.h"
|
|
#include "fsp_bootmode.h"
|
|
#include <asm/arch/fsp/fsp_vpd.h>
|
|
#include <asm/arch/fsp/fsp_configs.h>
|
|
|
|
#define FSP_LOWMEM_BASE 0x100000UL
|
|
#define FSP_HIGHMEM_BASE 0x100000000ULL
|
|
#define UPD_TERMINATOR 0x55AA
|
|
|
|
|
|
/**
|
|
* FSP Continuation assembly helper routine
|
|
*
|
|
* This routine jumps to the C version of FSP continuation function
|
|
*/
|
|
void asm_continuation(void);
|
|
|
|
/**
|
|
* FSP initialization complete
|
|
*
|
|
* This is the function that indicates FSP initialization is complete and jumps
|
|
* back to the bootloader with HOB list pointer as the parameter.
|
|
*
|
|
* @hob_list: HOB list pointer
|
|
*/
|
|
void fsp_init_done(void *hob_list);
|
|
|
|
/**
|
|
* FSP Continuation function
|
|
*
|
|
* @status: Always 0
|
|
* @hob_list: HOB list pointer
|
|
*
|
|
* @retval: Never returns
|
|
*/
|
|
void fsp_continue(u32 status, void *hob_list);
|
|
|
|
/**
|
|
* Find FSP header offset in FSP image
|
|
*
|
|
* @retval: the offset of FSP header. If signature is invalid, returns 0.
|
|
*/
|
|
struct fsp_header *find_fsp_header(void);
|
|
|
|
/**
|
|
* FSP initialization wrapper function.
|
|
*
|
|
* @stack_top: bootloader stack top address
|
|
* @boot_mode: boot mode defined in fsp_bootmode.h
|
|
* @nvs_buf: Non-volatile memory buffer pointer
|
|
*/
|
|
void fsp_init(u32 stack_top, u32 boot_mode, void *nvs_buf);
|
|
|
|
/**
|
|
* FSP notification wrapper function
|
|
*
|
|
* @fsp_hdr: Pointer to FSP information header
|
|
* @phase: FSP initialization phase defined in enum fsp_phase
|
|
*
|
|
* @retval: compatible status code with EFI_STATUS defined in PI spec
|
|
*/
|
|
u32 fsp_notify(struct fsp_header *fsp_hdr, u32 phase);
|
|
|
|
/**
|
|
* This function retrieves the top of usable low memory.
|
|
*
|
|
* @hob_list: A HOB list pointer.
|
|
*
|
|
* @retval: Usable low memory top.
|
|
*/
|
|
u32 fsp_get_usable_lowmem_top(const void *hob_list);
|
|
|
|
/**
|
|
* This function retrieves the top of usable high memory.
|
|
*
|
|
* @hob_list: A HOB list pointer.
|
|
*
|
|
* @retval: Usable high memory top.
|
|
*/
|
|
u64 fsp_get_usable_highmem_top(const void *hob_list);
|
|
|
|
/**
|
|
* This function retrieves a special reserved memory region.
|
|
*
|
|
* @hob_list: A HOB list pointer.
|
|
* @len: A pointer to the GUID HOB data buffer length.
|
|
* If the GUID HOB is located, the length will be updated.
|
|
* @guid: A pointer to the owner guild.
|
|
*
|
|
* @retval: Reserved region start address.
|
|
* 0 if this region does not exist.
|
|
*/
|
|
u64 fsp_get_reserved_mem_from_guid(const void *hob_list,
|
|
u64 *len, struct efi_guid *guid);
|
|
|
|
/**
|
|
* This function retrieves the FSP reserved normal memory.
|
|
*
|
|
* @hob_list: A HOB list pointer.
|
|
* @len: A pointer to the FSP reserved memory length buffer.
|
|
* If the GUID HOB is located, the length will be updated.
|
|
* @retval: FSP reserved memory base
|
|
* 0 if this region does not exist.
|
|
*/
|
|
u32 fsp_get_fsp_reserved_mem(const void *hob_list, u32 *len);
|
|
|
|
/**
|
|
* This function retrieves the TSEG reserved normal memory.
|
|
*
|
|
* @hob_list: A HOB list pointer.
|
|
* @len: A pointer to the TSEG reserved memory length buffer.
|
|
* If the GUID HOB is located, the length will be updated.
|
|
*
|
|
* @retval NULL: Failed to find the TSEG reserved memory.
|
|
* @retval others: TSEG reserved memory base.
|
|
*/
|
|
u32 fsp_get_tseg_reserved_mem(const void *hob_list, u32 *len);
|
|
|
|
/**
|
|
* Returns the next instance of a HOB type from the starting HOB.
|
|
*
|
|
* @type: HOB type to search
|
|
* @hob_list: A pointer to the HOB list
|
|
*
|
|
* @retval: A HOB object with matching type; Otherwise NULL.
|
|
*/
|
|
const struct hob_header *fsp_get_next_hob(uint type, const void *hob_list);
|
|
|
|
/**
|
|
* Returns the next instance of the matched GUID HOB from the starting HOB.
|
|
*
|
|
* @guid: GUID to search
|
|
* @hob_list: A pointer to the HOB list
|
|
*
|
|
* @retval: A HOB object with matching GUID; Otherwise NULL.
|
|
*/
|
|
const struct hob_header *fsp_get_next_guid_hob(const struct efi_guid *guid,
|
|
const void *hob_list);
|
|
|
|
/**
|
|
* This function retrieves a GUID HOB data buffer and size.
|
|
*
|
|
* @hob_list: A HOB list pointer.
|
|
* @len: A pointer to the GUID HOB data buffer length.
|
|
* If the GUID HOB is located, the length will be updated.
|
|
* @guid A pointer to HOB GUID.
|
|
*
|
|
* @retval NULL: Failed to find the GUID HOB.
|
|
* @retval others: GUID HOB data buffer pointer.
|
|
*/
|
|
void *fsp_get_guid_hob_data(const void *hob_list, u32 *len,
|
|
struct efi_guid *guid);
|
|
|
|
/**
|
|
* This function retrieves FSP Non-volatile Storage HOB buffer and size.
|
|
*
|
|
* @hob_list: A HOB list pointer.
|
|
* @len: A pointer to the NVS data buffer length.
|
|
* If the HOB is located, the length will be updated.
|
|
*
|
|
* @retval NULL: Failed to find the NVS HOB.
|
|
* @retval others: FSP NVS data buffer pointer.
|
|
*/
|
|
void *fsp_get_nvs_data(const void *hob_list, u32 *len);
|
|
|
|
/**
|
|
* This function retrieves Bootloader temporary stack buffer and size.
|
|
*
|
|
* @hob_list: A HOB list pointer.
|
|
* @len: A pointer to the bootloader temporary stack length.
|
|
* If the HOB is located, the length will be updated.
|
|
*
|
|
* @retval NULL: Failed to find the bootloader temporary stack HOB.
|
|
* @retval others: Bootloader temporary stackbuffer pointer.
|
|
*/
|
|
void *fsp_get_bootloader_tmp_mem(const void *hob_list, u32 *len);
|
|
|
|
/**
|
|
* This function overrides the default configurations of FSP.
|
|
*
|
|
* @config: A pointer to the FSP configuration data structure
|
|
* @rt_buf: A pointer to the FSP runtime buffer data structure
|
|
*
|
|
* @return: None
|
|
*/
|
|
void update_fsp_configs(struct fsp_config_data *config,
|
|
struct fspinit_rtbuf *rt_buf);
|
|
|
|
/**
|
|
* fsp_init_phase_pci() - Tell the FSP that we have completed PCI init
|
|
*
|
|
* @return 0 if OK, -EPERM if the FSP gave an error.
|
|
*/
|
|
int fsp_init_phase_pci(void);
|
|
|
|
#endif
|