x86: Add a common HOB library

FSP (CONFIG_HAVE_FSP) and Slim Bootloader (CONFIG_SYS_SLIMBOOTLOADER)
consume HOB (CONFIG_USE_HOB) data from the each HOB list pointer.
Add a common HOB library in lib/hob.c and include/asm/hob.h.

Signed-off-by: Aiden Park <aiden.park@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>

1 files changed, 1 insertions, 64 deletions

diff --git a/cmd/x86/fsp.c b/cmd/x86/fsp.c
index 1b4c0207ce..efa183854b 100644
--- a/cmd/x86/fsp.c
+++ b/cmd/x86/fsp.c
@@ -9,21 +9,6 @@
 
 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();
@@ -72,55 +57,8 @@ static int do_hdr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	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;
-	char uuid[UUID_STR_LEN + 1];
-
-	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) {
-			efi_guid_t *guid = (efi_guid_t *)(hdr + 1);
-
-			uuid_bin_to_str(guid->b, uuid, UUID_STR_FORMAT_GUID);
-			printf("%s", uuid);
-		} 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[])
@@ -144,6 +82,5 @@ 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",
-	"hdr - Print FSP header information\n"
-	"fsp hob - Print FSP Hand-Off Block (HOB) information"
+	"hdr - Print FSP header information"
 );