1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2014-2015, Bin Meng <bmeng.cn@gmail.com>
4  */
5 
6 #include <common.h>
7 #include <command.h>
8 #include <asm/fsp/fsp_support.h>
9 #include <asm/global_data.h>
10 
11 DECLARE_GLOBAL_DATA_PTR;
12 
do_hdr(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])13 static int do_hdr(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
14 {
15 	struct fsp_header *hdr;
16 	u32 img_addr;
17 	char *sign;
18 	uint addr;
19 	int i;
20 
21 #ifdef CONFIG_FSP_VERSION2
22 	/*
23 	 * Only FSP-S is displayed. FSP-M was used in SPL but may not still be
24 	 * around, and we didn't keep a pointer to it.
25 	 */
26 	hdr = gd->arch.fsp_s_hdr;
27 	img_addr = hdr->img_base;
28 	addr = img_addr;
29 #else
30 	addr = CONFIG_FSP_ADDR;
31 	hdr = fsp_find_header();
32 	img_addr = hdr->img_base;
33 #endif
34 	sign = (char *)&hdr->sign;
35 
36 	printf("FSP    : binary %08x, header %08x\n", addr, (int)hdr);
37 	printf("Header : sign ");
38 	for (i = 0; i < sizeof(hdr->sign); i++)
39 		printf("%c", *sign++);
40 	printf(", size %x, rev %d\n", hdr->hdr_len, hdr->hdr_rev);
41 	printf("Image  : rev ");
42 	if (hdr->hdr_rev == FSP_HEADER_REVISION_1) {
43 		printf("%d.%d",
44 		       (hdr->img_rev >> 8) & 0xff, hdr->img_rev & 0xff);
45 	} else {
46 		printf("%d.%d.%d.%d",
47 		       (hdr->img_rev >> 24) & 0xff, (hdr->img_rev >> 16) & 0xff,
48 		       (hdr->img_rev >> 8) & 0xff, hdr->img_rev & 0xff);
49 	}
50 	printf(", id ");
51 	for (i = 0; i < ARRAY_SIZE(hdr->img_id); i++)
52 		printf("%c", hdr->img_id[i]);
53 	printf(", addr %08x, size %x\n", img_addr, hdr->img_size);
54 	if (hdr->hdr_rev >= FSP_HEADER_REVISION_1) {
55 		printf("GFX    :%ssupported\n",
56 		       hdr->img_attr & FSP_ATTR_GRAPHICS_SUPPORT ? " " : " un");
57 	}
58 	printf("VPD    : addr %08x, size %x\n",
59 	       hdr->cfg_region_off + img_addr, hdr->cfg_region_size);
60 	if (hdr->hdr_rev <= FSP_HEADER_REVISION_2)
61 		printf("\nNumber of APIs Supported : %d\n", hdr->api_num);
62 	if (hdr->fsp_tempram_init)
63 		printf("\tTempRamInit : %08x\n",
64 		       hdr->fsp_tempram_init + img_addr);
65 	if (hdr->fsp_init)
66 		printf("\tFspInit     : %08x\n", hdr->fsp_init + img_addr);
67 	if (hdr->fsp_notify)
68 		printf("\tFspNotify   : %08x\n", hdr->fsp_notify + img_addr);
69 	if (hdr->hdr_rev >= FSP_HEADER_REVISION_1) {
70 		if (hdr->fsp_mem_init)
71 			printf("\tMemoryInit  : %08x\n",
72 			       hdr->fsp_mem_init + img_addr);
73 		if (hdr->fsp_tempram_exit)
74 			printf("\tTempRamExit : %08x\n",
75 			       hdr->fsp_tempram_exit + img_addr);
76 		if (hdr->fsp_silicon_init)
77 			printf("\tSiliconInit : %08x\n",
78 			       hdr->fsp_silicon_init + img_addr);
79 	}
80 
81 	return 0;
82 }
83 
84 static struct cmd_tbl fsp_commands[] = {
85 	U_BOOT_CMD_MKENT(hdr, 0, 1, do_hdr, "", ""),
86 };
87 
do_fsp(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])88 static int do_fsp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
89 {
90 	struct cmd_tbl *fsp_cmd;
91 	int ret;
92 
93 	if (argc < 2)
94 		return CMD_RET_USAGE;
95 	fsp_cmd = find_cmd_tbl(argv[1], fsp_commands, ARRAY_SIZE(fsp_commands));
96 	argc -= 2;
97 	argv += 2;
98 	if (!fsp_cmd || argc > fsp_cmd->maxargs)
99 		return CMD_RET_USAGE;
100 
101 	ret = fsp_cmd->cmd(fsp_cmd, flag, argc, argv);
102 
103 	return cmd_process_error(fsp_cmd, ret);
104 }
105 
106 U_BOOT_CMD(
107 	fsp,	2,	1,	do_fsp,
108 	"Show Intel Firmware Support Package (FSP) related information",
109 	"hdr - Print FSP header information"
110 );
111