fsp.c
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/*
* Copyright (C) 2014-2015, Bin Meng <bmeng.cn@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <asm/fsp/fsp_support.h>
DECLARE_GLOBAL_DATA_PTR;
static char *hob_type[] = {
"reserved",
"Hand-off",
"Mem Alloc",
"Res Desc",
"GUID Ext",
"FV",
"CPU",
"Mem Pool",
"reserved",
"FV2",
"Load PEIM",
"Capsule",
};
static int do_hdr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct fsp_header *hdr = find_fsp_header();
u32 img_addr = hdr->img_base;
char *sign = (char *)&hdr->sign;
int i;
printf("FSP : binary 0x%08x, header 0x%08x\n",
CONFIG_FSP_ADDR, (int)hdr);
printf("Header : sign ");
for (i = 0; i < sizeof(hdr->sign); i++)
printf("%c", *sign++);
printf(", size %d, rev %d\n", hdr->hdr_len, hdr->hdr_rev);
printf("Image : rev ");
if (hdr->hdr_rev == FSP_HEADER_REVISION_1) {
printf("%d.%d",
(hdr->img_rev >> 8) & 0xff, hdr->img_rev & 0xff);
} else {
printf("%d.%d.%d.%d",
(hdr->img_rev >> 24) & 0xff, (hdr->img_rev >> 16) & 0xff,
(hdr->img_rev >> 8) & 0xff, hdr->img_rev & 0xff);
}
printf(", id ");
for (i = 0; i < ARRAY_SIZE(hdr->img_id); i++)
printf("%c", hdr->img_id[i]);
printf(", addr 0x%08x, size %d\n", img_addr, hdr->img_size);
if (hdr->hdr_rev == FSP_HEADER_REVISION_2) {
printf("GFX :%ssupported\n",
hdr->img_attr & FSP_ATTR_GRAPHICS_SUPPORT ? " " : " un");
}
printf("VPD : addr 0x%08x, size %d\n",
hdr->cfg_region_off + img_addr, hdr->cfg_region_size);
printf("\nNumber of APIs Supported : %d\n", hdr->api_num);
printf("\tTempRamInit : 0x%08x\n", hdr->fsp_tempram_init + img_addr);
printf("\tFspInit : 0x%08x\n", hdr->fsp_init + img_addr);
printf("\tFspNotify : 0x%08x\n", hdr->fsp_notify + img_addr);
if (hdr->hdr_rev == FSP_HEADER_REVISION_2) {
printf("\tMemoryInit : 0x%08x\n",
hdr->fsp_mem_init + img_addr);
printf("\tTempRamExit : 0x%08x\n",
hdr->fsp_tempram_exit + img_addr);
printf("\tSiliconInit : 0x%08x\n",
hdr->fsp_silicon_init + img_addr);
}
return 0;
}
static int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
const struct hob_header *hdr;
uint type;
char *desc;
int i = 0;
hdr = gd->arch.hob_list;
printf("HOB list address: 0x%08x\n\n", (unsigned int)hdr);
printf("# | Address | Type | Len | ");
printf("%42s\n", "GUID");
printf("---|----------|-----------|------|-");
printf("------------------------------------------\n");
while (!end_of_hob(hdr)) {
printf("%02x | %08x | ", i, (unsigned int)hdr);
type = hdr->type;
if (type == HOB_TYPE_UNUSED)
desc = "*Unused*";
else if (type == HOB_TYPE_EOH)
desc = "*EOH*";
else if (type >= 0 && type <= ARRAY_SIZE(hob_type))
desc = hob_type[type];
else
desc = "*Invalid*";
printf("%-9s | %04x | ", desc, hdr->len);
if (type == HOB_TYPE_MEM_ALLOC || type == HOB_TYPE_RES_DESC ||
type == HOB_TYPE_GUID_EXT) {
struct efi_guid *guid = (struct efi_guid *)(hdr + 1);
int j;
printf("%08x-%04x-%04x", guid->data1,
guid->data2, guid->data3);
for (j = 0; j < ARRAY_SIZE(guid->data4); j++)
printf("-%02x", guid->data4[j]);
} else {
printf("%42s", "Not Available");
}
printf("\n");
hdr = get_next_hob(hdr);
i++;
}
return 0;
}
static cmd_tbl_t fsp_commands[] = {
U_BOOT_CMD_MKENT(hdr, 0, 1, do_hdr, "", ""),
U_BOOT_CMD_MKENT(hob, 0, 1, do_hob, "", ""),
};
static int do_fsp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
cmd_tbl_t *fsp_cmd;
int ret;
if (argc < 2)
return CMD_RET_USAGE;
fsp_cmd = find_cmd_tbl(argv[1], fsp_commands, ARRAY_SIZE(fsp_commands));
argc -= 2;
argv += 2;
if (!fsp_cmd || argc > fsp_cmd->maxargs)
return CMD_RET_USAGE;
ret = fsp_cmd->cmd(fsp_cmd, flag, argc, argv);
return cmd_process_error(fsp_cmd, ret);
}
U_BOOT_CMD(
fsp, 2, 1, do_fsp,
"Show Intel Firmware Support Package (FSP) related information",
"hdr - Print FSP header information\n"
"fsp hob - Print FSP Hand-Off Block (HOB) information"
);