x86: fsp: Add a hdr sub-command to show header information

It would be helpful to have a command to show FSP header. So far
it only supports FSP header which conforms to FSP spec 1.0.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>

diff --git a/arch/x86/lib/fsp/cmd_fsp.c b/arch/x86/lib/fsp/cmd_fsp.c
index b0b1875..4959edf 100644 (file)
--- a/arch/x86/lib/fsp/cmd_fsp.c
+++ b/arch/x86/lib/fsp/cmd_fsp.c
@@ -25,6 +25,34 @@ static char *hob_type[] = {
        "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 %d.%d, id ",
+              (hdr->img_rev >> 8) & 0xff, hdr->img_rev & 0xff);
+       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);
+       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);
+
+       return 0;
+}
+
 static int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
        const struct hob_header *hdr;
@@ -74,6 +102,7 @@ static int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 }
 
 static cmd_tbl_t fsp_commands[] = {
+       U_BOOT_CMD_MKENT(hdr, 0, 1, do_hdr, "", ""),
        U_BOOT_CMD_MKENT(hob, 0, 1, do_hob, "", ""),
 };
 
@@ -98,5 +127,6 @@ static int do_fsp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 U_BOOT_CMD(
        fsp,    2,      1,      do_fsp,
        "Show Intel Firmware Support Package (FSP) related information",
-       "hob - Print FSP Hand-Off Block (HOB) information"
+       "hdr - Print FSP header information\n"
+       "fsp hob - Print FSP Hand-Off Block (HOB) information"
 );