stm32mp1: move stboard command in board/st/common directory

Move the ST command in board/st/common, as this command is only used
by ST board. Prepare the support in U-Boot of boards with STM32MP15x
SOC but not STMicroelectronics.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/board/st/stm32mp1/Kconfig b/board/st/stm32mp1/Kconfig
index 4fa2360..9f985e5 100644
--- a/board/st/stm32mp1/Kconfig
+++ b/board/st/stm32mp1/Kconfig
@@ -15,15 +15,10 @@
 config ENV_OFFSET
 	default 0x280000 if ENV_IS_IN_SPI_FLASH
 
-config CMD_STBOARD
-	bool "stboard - command for OTP board information"
-	default y
-	help
-	  This compile the stboard command to
-	  read and write the board in the OTP.
-
 config TARGET_STM32MP157C_DK2
 	bool "support of STMicroelectronics STM32MP157C-DK2 Discovery Board"
 	default y
 
+source "board/st/common/Kconfig"
+
 endif
diff --git a/board/st/stm32mp1/Makefile b/board/st/stm32mp1/Makefile
index 3c6c035..8188075 100644
--- a/board/st/stm32mp1/Makefile
+++ b/board/st/stm32mp1/Makefile
@@ -7,7 +7,6 @@
 obj-y += spl.o
 else
 obj-y += stm32mp1.o
-obj-$(CONFIG_CMD_STBOARD) += cmd_stboard.o
 endif
 
 obj-y += board.o
diff --git a/board/st/stm32mp1/cmd_stboard.c b/board/st/stm32mp1/cmd_stboard.c
deleted file mode 100644
index 04352ae..0000000
--- a/board/st/stm32mp1/cmd_stboard.c
+++ /dev/null
@@ -1,145 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
-/*
- * Copyright (C) 2019, STMicroelectronics - All Rights Reserved
- */
-
-#include <common.h>
-#include <console.h>
-#include <misc.h>
-#include <dm/device.h>
-#include <dm/uclass.h>
-
-static bool check_stboard(u16 board)
-{
-	unsigned int i;
-	const u16 st_board_id[] = {
-		0x1272,
-		0x1263,
-		0x1264,
-		0x1298,
-		0x1341,
-		0x1497,
-	};
-
-	for (i = 0; i < ARRAY_SIZE(st_board_id); i++)
-		if (board == st_board_id[i])
-			return true;
-
-	return false;
-}
-
-static void display_stboard(u32 otp)
-{
-	printf("Board: MB%04x Var%d Rev.%c-%02d\n",
-	       otp >> 16,
-	       (otp >> 12) & 0xF,
-	       ((otp >> 8) & 0xF) - 1 + 'A',
-	       otp & 0xF);
-}
-
-static int do_stboard(cmd_tbl_t *cmdtp, int flag, int argc,
-		      char * const argv[])
-{
-	int ret;
-	u32 otp;
-	u8 revision;
-	unsigned long board, variant, bom;
-	struct udevice *dev;
-	int confirmed = argc == 6 && !strcmp(argv[1], "-y");
-
-	argc -= 1 + confirmed;
-	argv += 1 + confirmed;
-
-	if (argc != 0 && argc != 4)
-		return CMD_RET_USAGE;
-
-	ret = uclass_get_device_by_driver(UCLASS_MISC,
-					  DM_GET_DRIVER(stm32mp_bsec),
-					  &dev);
-
-	ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
-			&otp, sizeof(otp));
-
-	if (ret < 0) {
-		puts("OTP read error");
-		return CMD_RET_FAILURE;
-	}
-
-	if (argc == 0) {
-		if (!otp)
-			puts("Board : OTP board FREE\n");
-		else
-			display_stboard(otp);
-		return CMD_RET_SUCCESS;
-	}
-
-	if (otp) {
-		display_stboard(otp);
-		printf("ERROR: OTP board not FREE\n");
-		return CMD_RET_FAILURE;
-	}
-
-	if (strict_strtoul(argv[0], 16, &board) < 0 ||
-	    board == 0 || board > 0xFFFF) {
-		printf("argument %d invalid: %s\n", 1, argv[0]);
-		return CMD_RET_USAGE;
-	}
-
-	if (strict_strtoul(argv[1], 10, &variant) < 0 ||
-	    variant == 0 || variant > 15) {
-		printf("argument %d invalid: %s\n", 2, argv[1]);
-		return CMD_RET_USAGE;
-	}
-
-	revision = argv[2][0] - 'A' + 1;
-	if (strlen(argv[2]) > 1 || revision == 0 || revision > 15) {
-		printf("argument %d invalid: %s\n", 3, argv[2]);
-		return CMD_RET_USAGE;
-	}
-
-	if (strict_strtoul(argv[3], 10, &bom) < 0 ||
-	    bom == 0 || bom > 15) {
-		printf("argument %d invalid: %s\n", 4, argv[3]);
-		return CMD_RET_USAGE;
-	}
-
-	otp = (board << 16) | (variant << 12) | (revision << 8) | bom;
-	display_stboard(otp);
-	printf("=> OTP[%d] = %08X\n", BSEC_OTP_BOARD, otp);
-
-	if (!check_stboard((u16)board)) {
-		printf("Unknown board MB%04x\n", (u16)board);
-		return CMD_RET_FAILURE;
-	}
-	if (!confirmed) {
-		printf("Warning: Programming BOARD in OTP is irreversible!\n");
-		printf("Really perform this OTP programming? <y/N>\n");
-
-		if (!confirm_yesno()) {
-			puts("BOARD programming aborted\n");
-			return CMD_RET_FAILURE;
-		}
-	}
-
-	ret = misc_write(dev, STM32_BSEC_OTP(BSEC_OTP_BOARD),
-			 &otp, sizeof(otp));
-
-	if (ret) {
-		puts("BOARD programming error\n");
-		return CMD_RET_FAILURE;
-	}
-	puts("BOARD programming done\n");
-
-	return CMD_RET_SUCCESS;
-}
-
-U_BOOT_CMD(stboard, 6, 0, do_stboard,
-	   "read/write board reference in OTP",
-	   "\n"
-	   "  Print current board information\n"
-	   "stboard [-y] <Board> <Variant> <Revision> <BOM>\n"
-	   "  Write board information\n"
-	   "  - Board: xxxx, example 1264 for MB1264\n"
-	   "  - Variant: 1 ... 15\n"
-	   "  - Revision: A...O\n"
-	   "  - BOM: 1...15\n");