[J-u-boot.git] / board / toradex / common / tdx-cfg-block.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (c) 2016-2019 Toradex, Inc.
 */

#include <common.h>
#include "tdx-cfg-block.h"

#if defined(CONFIG_TARGET_APALIS_IMX6) || \
	defined(CONFIG_TARGET_COLIBRI_IMX6) || \
	defined(CONFIG_TARGET_COLIBRI_IMX8X)
#include <asm/arch/sys_proto.h>
#else
#define is_cpu_type(cpu) (0)
#endif
#if defined(CONFIG_CPU_PXA27X)
#include <asm/arch-pxa/pxa.h>
#else
#define cpu_is_pxa27x(cpu) (0)
#endif
#include <cli.h>
#include <console.h>
#include <flash.h>
#include <malloc.h>
#include <mmc.h>
#include <nand.h>
#include <asm/mach-types.h>

DECLARE_GLOBAL_DATA_PTR;

#define TAG_VALID	0xcf01
#define TAG_MAC		0x0000
#define TAG_HW		0x0008
#define TAG_INVALID	0xffff

#define TAG_FLAG_VALID	0x1

#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
#define TDX_CFG_BLOCK_MAX_SIZE 512
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
#define TDX_CFG_BLOCK_MAX_SIZE 64
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
#define TDX_CFG_BLOCK_MAX_SIZE 64
#else
#error Toradex config block location not set
#endif

struct toradex_tag {
	u32 len:14;
	u32 flags:2;
	u32 id:16;
};

bool valid_cfgblock;
struct toradex_hw tdx_hw_tag;
struct toradex_eth_addr tdx_eth_addr;
u32 tdx_serial;

const char * const toradex_modules[] = {
	 [0] = "UNKNOWN MODULE",
	 [1] = "Colibri PXA270 312MHz",
	 [2] = "Colibri PXA270 520MHz",
	 [3] = "Colibri PXA320 806MHz",
	 [4] = "Colibri PXA300 208MHz",
	 [5] = "Colibri PXA310 624MHz",
	 [6] = "Colibri PXA320 806MHz IT",
	 [7] = "Colibri PXA300 208MHz XT",
	 [8] = "Colibri PXA270 312MHz",
	 [9] = "Colibri PXA270 520MHz",
	[10] = "Colibri VF50 128MB", /* not currently on sale */
	[11] = "Colibri VF61 256MB",
	[12] = "Colibri VF61 256MB IT",
	[13] = "Colibri VF50 128MB IT",
	[14] = "Colibri iMX6 Solo 256MB",
	[15] = "Colibri iMX6 DualLite 512MB",
	[16] = "Colibri iMX6 Solo 256MB IT",
	[17] = "Colibri iMX6 DualLite 512MB IT",
	[18] = "UNKNOWN MODULE",
	[19] = "UNKNOWN MODULE",
	[20] = "Colibri T20 256MB",
	[21] = "Colibri T20 512MB",
	[22] = "Colibri T20 512MB IT",
	[23] = "Colibri T30 1GB",
	[24] = "Colibri T20 256MB IT",
	[25] = "Apalis T30 2GB",
	[26] = "Apalis T30 1GB",
	[27] = "Apalis iMX6 Quad 1GB",
	[28] = "Apalis iMX6 Quad 2GB IT",
	[29] = "Apalis iMX6 Dual 512MB",
	[30] = "Colibri T30 1GB IT",
	[31] = "Apalis T30 1GB IT",
	[32] = "Colibri iMX7 Solo 256MB",
	[33] = "Colibri iMX7 Dual 512MB",
	[34] = "Apalis TK1 2GB",
	[35] = "Apalis iMX6 Dual 1GB IT",
	[36] = "Colibri iMX6ULL 256MB",
	[37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
	[38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
	[39] = "Colibri iMX7 Dual 1GB (eMMC)",
	[40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
	[41] = "Colibri iMX7 Dual 512MB EPDC",
	[42] = "Apalis TK1 4GB",
	[43] = "Colibri T20 512MB IT SETEK",
	[44] = "Colibri iMX6ULL 512MB IT",
	[45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
	[46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
	[47] = "Apalis iMX8 QuadMax 4GB IT",
	[48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
	[49] = "Apalis iMX8 QuadPlus 2GB",
	[50] = "Colibri iMX8 QuadXPlus 2GB IT",
	[51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
	[52] = "Colibri iMX8 DualX 1GB",
};

#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
{
	struct mmc *mmc;
	int dev = CONFIG_TDX_CFG_BLOCK_DEV;
	int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
	uint part = CONFIG_TDX_CFG_BLOCK_PART;
	uint blk_start;
	int ret = 0;

	/* Read production parameter config block from eMMC */
	mmc = find_mmc_device(dev);
	if (!mmc) {
		puts("No MMC card found\n");
		ret = -ENODEV;
		goto out;
	}
	if (mmc_init(mmc)) {
		puts("MMC init failed\n");
		return -EINVAL;
	}
	if (part != mmc_get_blk_desc(mmc)->hwpart) {
		if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
			puts("MMC partition switch failed\n");
			ret = -ENODEV;
			goto out;
		}
	}
	if (offset < 0)
		offset += mmc->capacity;
	blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;

	if (!write) {
		/* Careful reads a whole block of 512 bytes into config_block */
		if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
			      (unsigned char *)config_block) != 1) {
			ret = -EIO;
			goto out;
		}
	} else {
		/* Just writing one 512 byte block */
		if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
			       (unsigned char *)config_block) != 1) {
			ret = -EIO;
			goto out;
		}
	}

out:
	/* Switch back to regular eMMC user partition */
	blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);

	return ret;
}
#endif

#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
{
	size_t size = TDX_CFG_BLOCK_MAX_SIZE;
	struct mtd_info *mtd = get_nand_dev_by_index(0);

	if (!mtd)
		return -ENODEV;

	/* Read production parameter config block from NAND page */
	return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
				  &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
				  config_block);
}

static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
{
	size_t size = TDX_CFG_BLOCK_MAX_SIZE;

	/* Write production parameter config block to NAND page */
	return nand_write_skip_bad(get_nand_dev_by_index(0),
				   CONFIG_TDX_CFG_BLOCK_OFFSET,
				   &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
				   config_block, WITH_WR_VERIFY);
}
#endif

#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
{
	/* Read production parameter config block from NOR flash */
	memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
	       TDX_CFG_BLOCK_MAX_SIZE);
	return 0;
}

static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
{
	/* Write production parameter config block to NOR flash */
	return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
			   TDX_CFG_BLOCK_MAX_SIZE);
}
#endif

int read_tdx_cfg_block(void)
{
	int ret = 0;
	u8 *config_block = NULL;
	struct toradex_tag *tag;
	size_t size = TDX_CFG_BLOCK_MAX_SIZE;
	int offset;

	/* Allocate RAM area for config block */
	config_block = memalign(ARCH_DMA_MINALIGN, size);
	if (!config_block) {
		printf("Not enough malloc space available!\n");
		return -ENOMEM;
	}

	memset(config_block, 0, size);

#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
	ret = tdx_cfg_block_mmc_storage(config_block, 0);
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
	ret = read_tdx_cfg_block_from_nand(config_block);
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
	ret = read_tdx_cfg_block_from_nor(config_block);
#else
	ret = -EINVAL;
#endif
	if (ret)
		goto out;

	/* Expect a valid tag first */
	tag = (struct toradex_tag *)config_block;
	if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
		valid_cfgblock = false;
		ret = -EINVAL;
		goto out;
	}
	valid_cfgblock = true;
	offset = 4;

	while (offset < TDX_CFG_BLOCK_MAX_SIZE) {
		tag = (struct toradex_tag *)(config_block + offset);
		offset += 4;
		if (tag->id == TAG_INVALID)
			break;

		if (tag->flags == TAG_FLAG_VALID) {
			switch (tag->id) {
			case TAG_MAC:
				memcpy(&tdx_eth_addr, config_block + offset,
				       6);

				/* NIC part of MAC address is serial number */
				tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
				break;
			case TAG_HW:
				memcpy(&tdx_hw_tag, config_block + offset, 8);
				break;
			}
		}

		/* Get to next tag according to current tags length */
		offset += tag->len * 4;
	}

	/* Cap product id to avoid issues with a yet unknown one */
	if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
				  sizeof(toradex_modules[0])))
		tdx_hw_tag.prodid = 0;

out:
	free(config_block);
	return ret;
}

static int get_cfgblock_interactive(void)
{
	char message[CONFIG_SYS_CBSIZE];
	char *soc;
	char it = 'n';
	char wb = 'n';
	int len;

	/* Unknown module by default */
	tdx_hw_tag.prodid = 0;

	if (cpu_is_pxa27x())
		sprintf(message, "Is the module the 312 MHz version? [y/N] ");
	else
		sprintf(message, "Is the module an IT version? [y/N] ");
	len = cli_readline(message);
	it = console_buffer[0];

#if defined(CONFIG_TARGET_APALIS_IMX8) || \
		defined(CONFIG_TARGET_COLIBRI_IMX6ULL) || \
		defined(CONFIG_TARGET_COLIBRI_IMX8X)
	sprintf(message, "Does the module have Wi-Fi / Bluetooth? [y/N] ");
	len = cli_readline(message);
	wb = console_buffer[0];
#endif

	soc = env_get("soc");
	if (!strcmp("mx6", soc)) {
#ifdef CONFIG_TARGET_APALIS_IMX6
		if (it == 'y' || it == 'Y') {
			if (is_cpu_type(MXC_CPU_MX6Q))
				tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
			else
				tdx_hw_tag.prodid = APALIS_IMX6D_IT;
		} else {
			if (is_cpu_type(MXC_CPU_MX6Q))
				tdx_hw_tag.prodid = APALIS_IMX6Q;
			else
				tdx_hw_tag.prodid = APALIS_IMX6D;
		}
#elif CONFIG_TARGET_COLIBRI_IMX6
		if (it == 'y' || it == 'Y') {
			if (is_cpu_type(MXC_CPU_MX6DL))
				tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
			else if (is_cpu_type(MXC_CPU_MX6SOLO))
				tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
		} else {
			if (is_cpu_type(MXC_CPU_MX6DL))
				tdx_hw_tag.prodid = COLIBRI_IMX6DL;
			else if (is_cpu_type(MXC_CPU_MX6SOLO))
				tdx_hw_tag.prodid = COLIBRI_IMX6S;
		}
#elif CONFIG_TARGET_COLIBRI_IMX6ULL
		if (it == 'y' || it == 'Y') {
			if (wb == 'y' || wb == 'Y')
				tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
			else
				tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
		} else {
			if (wb == 'y' || wb == 'Y')
				tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
			else
				tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
		}
#endif
	} else if (!strcmp("imx7d", soc))
		tdx_hw_tag.prodid = COLIBRI_IMX7D;
	else if (!strcmp("imx7s", soc))
		tdx_hw_tag.prodid = COLIBRI_IMX7S;
	else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
		if (it == 'y' || it == 'Y') {
			if (wb == 'y' || wb == 'Y')
				tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
			else
				tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
		} else {
			if (wb == 'y' || wb == 'Y')
				tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
			else
				tdx_hw_tag.prodid = COLIBRI_IMX8DX;
		}
	} else if (!strcmp("tegra20", soc)) {
		if (it == 'y' || it == 'Y')
			if (gd->ram_size == 0x10000000)
				tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
			else
				tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
		else
			if (gd->ram_size == 0x10000000)
				tdx_hw_tag.prodid = COLIBRI_T20_256MB;
			else
				tdx_hw_tag.prodid = COLIBRI_T20_512MB;
	} else if (cpu_is_pxa27x()) {
		if (it == 'y' || it == 'Y')
			tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
		else
			tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
	}
#ifdef CONFIG_MACH_TYPE
	else if (!strcmp("tegra30", soc)) {
		if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
			if (it == 'y' || it == 'Y')
				tdx_hw_tag.prodid = APALIS_T30_IT;
			else
				if (gd->ram_size == 0x40000000)
					tdx_hw_tag.prodid = APALIS_T30_1GB;
				else
					tdx_hw_tag.prodid = APALIS_T30_2GB;
		} else {
			if (it == 'y' || it == 'Y')
				tdx_hw_tag.prodid = COLIBRI_T30_IT;
			else
				tdx_hw_tag.prodid = COLIBRI_T30;
		}
	}
#endif /* CONFIG_MACH_TYPE */
	else if (!strcmp("tegra124", soc)) {
		tdx_hw_tag.prodid = APALIS_TK1_2GB;
	} else if (!strcmp("vf500", soc)) {
		if (it == 'y' || it == 'Y')
			tdx_hw_tag.prodid = COLIBRI_VF50_IT;
		else
			tdx_hw_tag.prodid = COLIBRI_VF50;
	} else if (!strcmp("vf610", soc)) {
		if (it == 'y' || it == 'Y')
			tdx_hw_tag.prodid = COLIBRI_VF61_IT;
		else
			tdx_hw_tag.prodid = COLIBRI_VF61;
	}

	if (!tdx_hw_tag.prodid) {
		printf("Module type not detectable due to unknown SoC\n");
		return -1;
	}

	while (len < 4) {
		sprintf(message, "Enter the module version (e.g. V1.1B): V");
		len = cli_readline(message);
	}

	tdx_hw_tag.ver_major = console_buffer[0] - '0';
	tdx_hw_tag.ver_minor = console_buffer[2] - '0';
	tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';

	if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
		tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
				       COLIBRI_PXA270_V1_312MHZ);

	while (len < 8) {
		sprintf(message, "Enter module serial number: ");
		len = cli_readline(message);
	}

	tdx_serial = simple_strtoul(console_buffer, NULL, 10);

	return 0;
}

static int get_cfgblock_barcode(char *barcode)
{
	if (strlen(barcode) < 16) {
		printf("Argument too short, barcode is 16 chars long\n");
		return -1;
	}

	/* Get hardware information from the first 8 digits */
	tdx_hw_tag.ver_major = barcode[4] - '0';
	tdx_hw_tag.ver_minor = barcode[5] - '0';
	tdx_hw_tag.ver_assembly = barcode[7] - '0';

	barcode[4] = '\0';
	tdx_hw_tag.prodid = simple_strtoul(barcode, NULL, 10);

	/* Parse second part of the barcode (serial number */
	barcode += 8;
	tdx_serial = simple_strtoul(barcode, NULL, 10);

	return 0;
}

static int do_cfgblock_create(cmd_tbl_t *cmdtp, int flag, int argc,
			      char * const argv[])
{
	u8 *config_block;
	struct toradex_tag *tag;
	size_t size = TDX_CFG_BLOCK_MAX_SIZE;
	int offset = 0;
	int ret = CMD_RET_SUCCESS;
	int err;
	int force_overwrite = 0;

	/* Allocate RAM area for config block */
	config_block = memalign(ARCH_DMA_MINALIGN, size);
	if (!config_block) {
		printf("Not enough malloc space available!\n");
		return CMD_RET_FAILURE;
	}

	memset(config_block, 0xff, size);

	if (argc >= 3) {
		if (argv[2][0] == '-' && argv[2][1] == 'y')
			force_overwrite = 1;
	}

	read_tdx_cfg_block();
	if (valid_cfgblock) {
#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
		/*
		 * On NAND devices, recreation is only allowed if the page is
		 * empty (config block invalid...)
		 */
		printf("NAND erase block %d need to be erased before creating" \
		       " a Toradex config block\n",
		       CONFIG_TDX_CFG_BLOCK_OFFSET /
		       get_nand_dev_by_index(0)->erasesize);
		goto out;
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
		/*
		 * On NOR devices, recreation is only allowed if the sector is
		 * empty and write protection is off (config block invalid...)
		 */
		printf("NOR sector at offset 0x%02x need to be erased and " \
		       "unprotected before creating a Toradex config block\n",
		       CONFIG_TDX_CFG_BLOCK_OFFSET);
		goto out;
#else
		if (!force_overwrite) {
			char message[CONFIG_SYS_CBSIZE];

			sprintf(message,
				"A valid Toradex config block is present, still recreate? [y/N] ");

			if (!cli_readline(message))
				goto out;

			if (console_buffer[0] != 'y' &&
			    console_buffer[0] != 'Y')
				goto out;
		}
#endif
	}

	/* Parse new Toradex config block data... */
	if (argc < 3 || (force_overwrite && argc < 4)) {
		err = get_cfgblock_interactive();
	} else {
		if (force_overwrite)
			err = get_cfgblock_barcode(argv[3]);
		else
			err = get_cfgblock_barcode(argv[2]);
	}
	if (err) {
		ret = CMD_RET_FAILURE;
		goto out;
	}

	/* Convert serial number to MAC address (the storage format) */
	tdx_eth_addr.oui = htonl(0x00142dUL << 8);
	tdx_eth_addr.nic = htonl(tdx_serial << 8);

	/* Valid Tag */
	tag = (struct toradex_tag *)config_block;
	tag->id = TAG_VALID;
	tag->flags = TAG_FLAG_VALID;
	tag->len = 0;
	offset += 4;

	/* Product Tag */
	tag = (struct toradex_tag *)(config_block + offset);
	tag->id = TAG_HW;
	tag->flags = TAG_FLAG_VALID;
	tag->len = 2;
	offset += 4;

	memcpy(config_block + offset, &tdx_hw_tag, 8);
	offset += 8;

	/* MAC Tag */
	tag = (struct toradex_tag *)(config_block + offset);
	tag->id = TAG_MAC;
	tag->flags = TAG_FLAG_VALID;
	tag->len = 2;
	offset += 4;

	memcpy(config_block + offset, &tdx_eth_addr, 6);
	offset += 6;
	memset(config_block + offset, 0, 32 - offset);

#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
	err = tdx_cfg_block_mmc_storage(config_block, 1);
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
	err = write_tdx_cfg_block_to_nand(config_block);
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
	err = write_tdx_cfg_block_to_nor(config_block);
#else
	err = -EINVAL;
#endif
	if (err) {
		printf("Failed to write Toradex config block: %d\n", ret);
		ret = CMD_RET_FAILURE;
		goto out;
	}

	printf("Toradex config block successfully written\n");

out:
	free(config_block);
	return ret;
}

static int do_cfgblock(cmd_tbl_t *cmdtp, int flag, int argc,
		       char * const argv[])
{
	int ret;

	if (argc < 2)
		return CMD_RET_USAGE;

	if (!strcmp(argv[1], "create")) {
		return do_cfgblock_create(cmdtp, flag, argc, argv);
	} else if (!strcmp(argv[1], "reload")) {
		ret = read_tdx_cfg_block();
		if (ret) {
			printf("Failed to reload Toradex config block: %d\n",
			       ret);
			return CMD_RET_FAILURE;
		}
		return CMD_RET_SUCCESS;
	}

	return CMD_RET_USAGE;
}

U_BOOT_CMD(
	cfgblock, 4, 0, do_cfgblock,
	"Toradex config block handling commands",
	"create [-y] [barcode] - (Re-)create Toradex config block\n"
	"cfgblock reload - Reload Toradex config block from flash"
);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
a2777ecb	2	/*
08f80555	3	* Copyright (c) 2016-2019 Toradex, Inc.
a2777ecb MZ	4	*/
	5
	6	#include <common.h>
	7	#include "tdx-cfg-block.h"
	8
4adc9fc1 MZ	9	#if defined(CONFIG_TARGET_APALIS_IMX6) \|\| \
4adc9fc1 MZ	10	defined(CONFIG_TARGET_COLIBRI_IMX6) \|\| \
6c297ee8	11	defined(CONFIG_TARGET_COLIBRI_IMX8X)
a2777ecb MZ	12	#include <asm/arch/sys_proto.h>
	13	#else
	14	#define is_cpu_type(cpu) (0)
	15	#endif
	16	#if defined(CONFIG_CPU_PXA27X)
	17	#include <asm/arch-pxa/pxa.h>
	18	#else
	19	#define cpu_is_pxa27x(cpu) (0)
	20	#endif
	21	#include <cli.h>
	22	#include <console.h>
	23	#include <flash.h>
	24	#include <malloc.h>
	25	#include <mmc.h>
	26	#include <nand.h>
c62db35d	27	#include <asm/mach-types.h>
a2777ecb MZ	28
	29	DECLARE_GLOBAL_DATA_PTR;
	30
	31	#define TAG_VALID 0xcf01
	32	#define TAG_MAC 0x0000
	33	#define TAG_HW 0x0008
	34	#define TAG_INVALID 0xffff
	35
	36	#define TAG_FLAG_VALID 0x1
	37
	38	#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
	39	#define TDX_CFG_BLOCK_MAX_SIZE 512
	40	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
	41	#define TDX_CFG_BLOCK_MAX_SIZE 64
	42	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
	43	#define TDX_CFG_BLOCK_MAX_SIZE 64
	44	#else
	45	#error Toradex config block location not set
	46	#endif
	47
	48	struct toradex_tag {
	49	u32 len:14;
	50	u32 flags:2;
	51	u32 id:16;
	52	};
	53
	54	bool valid_cfgblock;
	55	struct toradex_hw tdx_hw_tag;
	56	struct toradex_eth_addr tdx_eth_addr;
	57	u32 tdx_serial;
	58
	59	const char * const toradex_modules[] = {
	60	[0] = "UNKNOWN MODULE",
	61	[1] = "Colibri PXA270 312MHz",
	62	[2] = "Colibri PXA270 520MHz",
	63	[3] = "Colibri PXA320 806MHz",
	64	[4] = "Colibri PXA300 208MHz",
	65	[5] = "Colibri PXA310 624MHz",
	66	[6] = "Colibri PXA320 806MHz IT",
	67	[7] = "Colibri PXA300 208MHz XT",
	68	[8] = "Colibri PXA270 312MHz",
	69	[9] = "Colibri PXA270 520MHz",
	70	[10] = "Colibri VF50 128MB", /* not currently on sale */
	71	[11] = "Colibri VF61 256MB",
	72	[12] = "Colibri VF61 256MB IT",
	73	[13] = "Colibri VF50 128MB IT",
	74	[14] = "Colibri iMX6 Solo 256MB",
	75	[15] = "Colibri iMX6 DualLite 512MB",
	76	[16] = "Colibri iMX6 Solo 256MB IT",
	77	[17] = "Colibri iMX6 DualLite 512MB IT",
	78	[18] = "UNKNOWN MODULE",
	79	[19] = "UNKNOWN MODULE",
	80	[20] = "Colibri T20 256MB",
	81	[21] = "Colibri T20 512MB",
	82	[22] = "Colibri T20 512MB IT",
	83	[23] = "Colibri T30 1GB",
	84	[24] = "Colibri T20 256MB IT",
	85	[25] = "Apalis T30 2GB",
	86	[26] = "Apalis T30 1GB",
	87	[27] = "Apalis iMX6 Quad 1GB",
	88	[28] = "Apalis iMX6 Quad 2GB IT",
	89	[29] = "Apalis iMX6 Dual 512MB",
	90	[30] = "Colibri T30 1GB IT",
	91	[31] = "Apalis T30 1GB IT",
92	[32] = "Colibri iMX7 Solo 256MB",
93	[33] = "Colibri iMX7 Dual 512MB",
94	[34] = "Apalis TK1 2GB",
95	[35] = "Apalis iMX6 Dual 1GB IT",
d826b875	96	[36] = "Colibri iMX6ULL 256MB",
4adc9fc1 MZ	97	[37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
4adc9fc1 MZ	98	[38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
d826b875	99	[39] = "Colibri iMX7 Dual 1GB (eMMC)",
4adc9fc1	100	[40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
d826b875 SA	101	[41] = "Colibri iMX7 Dual 512MB EPDC",
d826b875 SA	102	[42] = "Apalis TK1 4GB",
08f80555 GS	103	[43] = "Colibri T20 512MB IT SETEK",
	104	[44] = "Colibri iMX6ULL 512MB IT",
	105	[45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
6988a3af MZ	106	[46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
	107	[47] = "Apalis iMX8 QuadMax 4GB IT",
	108	[48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
	109	[49] = "Apalis iMX8 QuadPlus 2GB",
	110	[50] = "Colibri iMX8 QuadXPlus 2GB IT",
	111	[51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
	112	[52] = "Colibri iMX8 DualX 1GB",
a2777ecb MZ	113	};
	114
	115	#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
	116	static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
	117	{
	118	struct mmc *mmc;
	119	int dev = CONFIG_TDX_CFG_BLOCK_DEV;
	120	int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
	121	uint part = CONFIG_TDX_CFG_BLOCK_PART;
	122	uint blk_start;
	123	int ret = 0;
	124
	125	/* Read production parameter config block from eMMC */
	126	mmc = find_mmc_device(dev);
	127	if (!mmc) {
	128	puts("No MMC card found\n");
	129	ret = -ENODEV;
	130	goto out;
	131	}
42a4f182 SA	132	if (mmc_init(mmc)) {
	133	puts("MMC init failed\n");
	134	return -EINVAL;
	135	}
0e513e78	136	if (part != mmc_get_blk_desc(mmc)->hwpart) {
a2777ecb MZ	137	if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
	138	puts("MMC partition switch failed\n");
	139	ret = -ENODEV;
	140	goto out;
	141	}
	142	}
	143	if (offset < 0)
	144	offset += mmc->capacity;
	145	blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
	146
	147	if (!write) {
	148	/* Careful reads a whole block of 512 bytes into config_block */
	149	if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
	150	(unsigned char *)config_block) != 1) {
	151	ret = -EIO;
	152	goto out;
	153	}
a2777ecb MZ	154	} else {
	155	/* Just writing one 512 byte block */
	156	if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
	157	(unsigned char *)config_block) != 1) {
	158	ret = -EIO;
	159	goto out;
	160	}
	161	}
	162
	163	out:
	164	/* Switch back to regular eMMC user partition */
	165	blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
	166
	167	return ret;
	168	}
	169	#endif
	170
	171	#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
	172	static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
	173	{
	174	size_t size = TDX_CFG_BLOCK_MAX_SIZE;
bc53fb19 SA	175	struct mtd_info *mtd = get_nand_dev_by_index(0);
	176
	177	if (!mtd)
	178	return -ENODEV;
a2777ecb MZ	179
a2777ecb MZ	180	/* Read production parameter config block from NAND page */
bc53fb19	181	return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
bf264cd0 GS	182	&size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
bf264cd0 GS	183	config_block);
a2777ecb MZ	184	}
	185
	186	static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
	187	{
	188	size_t size = TDX_CFG_BLOCK_MAX_SIZE;
	189
	190	/* Write production parameter config block to NAND page */
bf264cd0 GS	191	return nand_write_skip_bad(get_nand_dev_by_index(0),
bf264cd0 GS	192	CONFIG_TDX_CFG_BLOCK_OFFSET,
a2777ecb MZ	193	&size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
	194	config_block, WITH_WR_VERIFY);
	195	}
	196	#endif
	197
	198	#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
	199	static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
	200	{
	201	/* Read production parameter config block from NOR flash */
	202	memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
	203	TDX_CFG_BLOCK_MAX_SIZE);
	204	return 0;
	205	}
	206
	207	static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
	208	{
	209	/* Write production parameter config block to NOR flash */
	210	return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
	211	TDX_CFG_BLOCK_MAX_SIZE);
	212	}
	213	#endif
	214
	215	int read_tdx_cfg_block(void)
	216	{
	217	int ret = 0;
	218	u8 *config_block = NULL;
	219	struct toradex_tag *tag;
	220	size_t size = TDX_CFG_BLOCK_MAX_SIZE;
	221	int offset;
	222
	223	/* Allocate RAM area for config block */
	224	config_block = memalign(ARCH_DMA_MINALIGN, size);
	225	if (!config_block) {
	226	printf("Not enough malloc space available!\n");
	227	return -ENOMEM;
	228	}
	229
	230	memset(config_block, 0, size);
	231
	232	#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
	233	ret = tdx_cfg_block_mmc_storage(config_block, 0);
	234	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
	235	ret = read_tdx_cfg_block_from_nand(config_block);
	236	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
	237	ret = read_tdx_cfg_block_from_nor(config_block);
	238	#else
	239	ret = -EINVAL;
	240	#endif
	241	if (ret)
	242	goto out;
	243
	244	/* Expect a valid tag first */
	245	tag = (struct toradex_tag *)config_block;
	246	if (tag->flags != TAG_FLAG_VALID \|\| tag->id != TAG_VALID) {
	247	valid_cfgblock = false;
	248	ret = -EINVAL;
	249	goto out;
	250	}
	251	valid_cfgblock = true;
	252	offset = 4;
	253
	254	while (offset < TDX_CFG_BLOCK_MAX_SIZE) {
	255	tag = (struct toradex_tag *)(config_block + offset);
	256	offset += 4;
257	if (tag->id == TAG_INVALID)
258	break;
259
260	if (tag->flags == TAG_FLAG_VALID) {
261	switch (tag->id) {
262	case TAG_MAC:
263	memcpy(&tdx_eth_addr, config_block + offset,
264	6);
265
266	/* NIC part of MAC address is serial number */
267	tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
268	break;
269	case TAG_HW:
270	memcpy(&tdx_hw_tag, config_block + offset, 8);
271	break;
272	}
273	}
274
275	/* Get to next tag according to current tags length */
276	offset += tag->len * 4;
277	}
278
279	/* Cap product id to avoid issues with a yet unknown one */
ccdd3713	280	if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
a2777ecb MZ	281	sizeof(toradex_modules[0])))
	282	tdx_hw_tag.prodid = 0;
	283
	284	out:
	285	free(config_block);
	286	return ret;
	287	}
	288
	289	static int get_cfgblock_interactive(void)
	290	{
	291	char message[CONFIG_SYS_CBSIZE];
	292	char *soc;
	293	char it = 'n';
d1aa1444	294	char wb = 'n';
a2777ecb MZ	295	int len;
a2777ecb MZ	296
89315f31 SA	297	/* Unknown module by default */
	298	tdx_hw_tag.prodid = 0;
	299
a2777ecb MZ	300	if (cpu_is_pxa27x())
	301	sprintf(message, "Is the module the 312 MHz version? [y/N] ");
	302	else
	303	sprintf(message, "Is the module an IT version? [y/N] ");
a2777ecb MZ	304	len = cli_readline(message);
	305	it = console_buffer[0];
	306
d1aa1444 MZ	307	#if defined(CONFIG_TARGET_APALIS_IMX8) \|\| \
	308	defined(CONFIG_TARGET_COLIBRI_IMX6ULL) \|\| \
	309	defined(CONFIG_TARGET_COLIBRI_IMX8X)
	310	sprintf(message, "Does the module have Wi-Fi / Bluetooth? [y/N] ");
	311	len = cli_readline(message);
	312	wb = console_buffer[0];
	313	#endif
	314
00caae6d	315	soc = env_get("soc");
a2777ecb	316	if (!strcmp("mx6", soc)) {
89315f31 SA	317	#ifdef CONFIG_TARGET_APALIS_IMX6
89315f31 SA	318	if (it == 'y' \|\| it == 'Y') {
a2777ecb MZ	319	if (is_cpu_type(MXC_CPU_MX6Q))
	320	tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
	321	else
	322	tdx_hw_tag.prodid = APALIS_IMX6D_IT;
89315f31	323	} else {
a2777ecb MZ	324	if (is_cpu_type(MXC_CPU_MX6Q))
	325	tdx_hw_tag.prodid = APALIS_IMX6Q;
	326	else
	327	tdx_hw_tag.prodid = APALIS_IMX6D;
89315f31 SA	328	}
89315f31 SA	329	#elif CONFIG_TARGET_COLIBRI_IMX6
08f80555	330	if (it == 'y' \|\| it == 'Y') {
89315f31	331	if (is_cpu_type(MXC_CPU_MX6DL))
a2777ecb	332	tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
89315f31	333	else if (is_cpu_type(MXC_CPU_MX6SOLO))
a2777ecb	334	tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
08f80555	335	} else {
89315f31	336	if (is_cpu_type(MXC_CPU_MX6DL))
a2777ecb	337	tdx_hw_tag.prodid = COLIBRI_IMX6DL;
89315f31	338	else if (is_cpu_type(MXC_CPU_MX6SOLO))
a2777ecb	339	tdx_hw_tag.prodid = COLIBRI_IMX6S;
08f80555	340	}
89315f31	341	#elif CONFIG_TARGET_COLIBRI_IMX6ULL
89315f31 SA	342	if (it == 'y' \|\| it == 'Y') {
	343	if (wb == 'y' \|\| wb == 'Y')
	344	tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
	345	else
	346	tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
	347	} else {
	348	if (wb == 'y' \|\| wb == 'Y')
	349	tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
	350	else
	351	tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
	352	}
	353	#endif
08f80555	354	} else if (!strcmp("imx7d", soc))
a2777ecb	355	tdx_hw_tag.prodid = COLIBRI_IMX7D;
08f80555	356	else if (!strcmp("imx7s", soc))
a2777ecb	357	tdx_hw_tag.prodid = COLIBRI_IMX7S;
6c297ee8 MZ	358	else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
	359	if (it == 'y' \|\| it == 'Y') {
	360	if (wb == 'y' \|\| wb == 'Y')
	361	tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
	362	else
	363	tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
	364	} else {
	365	if (wb == 'y' \|\| wb == 'Y')
	366	tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
	367	else
	368	tdx_hw_tag.prodid = COLIBRI_IMX8DX;
	369	}
	370	} else if (!strcmp("tegra20", soc)) {
a2777ecb MZ	371	if (it == 'y' \|\| it == 'Y')
	372	if (gd->ram_size == 0x10000000)
	373	tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
	374	else
	375	tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
	376	else
	377	if (gd->ram_size == 0x10000000)
	378	tdx_hw_tag.prodid = COLIBRI_T20_256MB;
	379	else
	380	tdx_hw_tag.prodid = COLIBRI_T20_512MB;
	381	} else if (cpu_is_pxa27x()) {
	382	if (it == 'y' \|\| it == 'Y')
	383	tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
	384	else
	385	tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
08f80555	386	}
a2777ecb	387	#ifdef CONFIG_MACH_TYPE
08f80555	388	else if (!strcmp("tegra30", soc)) {
a2777ecb MZ	389	if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
	390	if (it == 'y' \|\| it == 'Y')
	391	tdx_hw_tag.prodid = APALIS_T30_IT;
	392	else
	393	if (gd->ram_size == 0x40000000)
	394	tdx_hw_tag.prodid = APALIS_T30_1GB;
	395	else
	396	tdx_hw_tag.prodid = APALIS_T30_2GB;
	397	} else {
	398	if (it == 'y' \|\| it == 'Y')
	399	tdx_hw_tag.prodid = COLIBRI_T30_IT;
	400	else
	401	tdx_hw_tag.prodid = COLIBRI_T30;
	402	}
08f80555	403	}
a2777ecb	404	#endif /* CONFIG_MACH_TYPE */
08f80555	405	else if (!strcmp("tegra124", soc)) {
a2777ecb MZ	406	tdx_hw_tag.prodid = APALIS_TK1_2GB;
	407	} else if (!strcmp("vf500", soc)) {
	408	if (it == 'y' \|\| it == 'Y')
	409	tdx_hw_tag.prodid = COLIBRI_VF50_IT;
	410	else
	411	tdx_hw_tag.prodid = COLIBRI_VF50;
	412	} else if (!strcmp("vf610", soc)) {
	413	if (it == 'y' \|\| it == 'Y')
	414	tdx_hw_tag.prodid = COLIBRI_VF61_IT;
	415	else
	416	tdx_hw_tag.prodid = COLIBRI_VF61;
89315f31 SA	417	}
	418
	419	if (!tdx_hw_tag.prodid) {
a2777ecb MZ	420	printf("Module type not detectable due to unknown SoC\n");
	421	return -1;
	422	}
	423
	424	while (len < 4) {
	425	sprintf(message, "Enter the module version (e.g. V1.1B): V");
	426	len = cli_readline(message);
	427	}
	428
	429	tdx_hw_tag.ver_major = console_buffer[0] - '0';
	430	tdx_hw_tag.ver_minor = console_buffer[2] - '0';
	431	tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
	432
08f80555	433	if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
a2777ecb MZ	434	tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
	435	COLIBRI_PXA270_V1_312MHZ);
	436
	437	while (len < 8) {
	438	sprintf(message, "Enter module serial number: ");
	439	len = cli_readline(message);
	440	}
	441
	442	tdx_serial = simple_strtoul(console_buffer, NULL, 10);
	443
	444	return 0;
	445	}
	446
	447	static int get_cfgblock_barcode(char *barcode)
	448	{
	449	if (strlen(barcode) < 16) {
	450	printf("Argument too short, barcode is 16 chars long\n");
	451	return -1;
	452	}
	453
	454	/* Get hardware information from the first 8 digits */
	455	tdx_hw_tag.ver_major = barcode[4] - '0';
	456	tdx_hw_tag.ver_minor = barcode[5] - '0';
	457	tdx_hw_tag.ver_assembly = barcode[7] - '0';
	458
	459	barcode[4] = '\0';
	460	tdx_hw_tag.prodid = simple_strtoul(barcode, NULL, 10);
	461
	462	/* Parse second part of the barcode (serial number */
	463	barcode += 8;
	464	tdx_serial = simple_strtoul(barcode, NULL, 10);
	465
	466	return 0;
	467	}
	468
	469	static int do_cfgblock_create(cmd_tbl_t *cmdtp, int flag, int argc,
	470	char * const argv[])
	471	{
	472	u8 *config_block;
	473	struct toradex_tag *tag;
	474	size_t size = TDX_CFG_BLOCK_MAX_SIZE;
	475	int offset = 0;
	476	int ret = CMD_RET_SUCCESS;
	477	int err;
587b13c6	478	int force_overwrite = 0;
a2777ecb MZ	479
	480	/* Allocate RAM area for config block */
	481	config_block = memalign(ARCH_DMA_MINALIGN, size);
	482	if (!config_block) {
	483	printf("Not enough malloc space available!\n");
	484	return CMD_RET_FAILURE;
	485	}
	486
	487	memset(config_block, 0xff, size);
	488
587b13c6 DS	489	if (argc >= 3) {
	490	if (argv[2][0] == '-' && argv[2][1] == 'y')
	491	force_overwrite = 1;
	492	}
	493
a2777ecb MZ	494	read_tdx_cfg_block();
	495	if (valid_cfgblock) {
	496	#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
	497	/*
	498	* On NAND devices, recreation is only allowed if the page is
	499	* empty (config block invalid...)
	500	*/
08f80555 GS	501	printf("NAND erase block %d need to be erased before creating" \
08f80555 GS	502	" a Toradex config block\n",
bf264cd0 GS	503	CONFIG_TDX_CFG_BLOCK_OFFSET /
bf264cd0 GS	504	get_nand_dev_by_index(0)->erasesize);
a2777ecb MZ	505	goto out;
	506	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
	507	/*
	508	* On NOR devices, recreation is only allowed if the sector is
	509	* empty and write protection is off (config block invalid...)
	510	*/
08f80555 GS	511	printf("NOR sector at offset 0x%02x need to be erased and " \
08f80555 GS	512	"unprotected before creating a Toradex config block\n",
a2777ecb MZ	513	CONFIG_TDX_CFG_BLOCK_OFFSET);
	514	goto out;
	515	#else
587b13c6 DS	516	if (!force_overwrite) {
587b13c6 DS	517	char message[CONFIG_SYS_CBSIZE];
a2777ecb	518
587b13c6 DS	519	sprintf(message,
587b13c6 DS	520	"A valid Toradex config block is present, still recreate? [y/N] ");
a2777ecb	521
587b13c6 DS	522	if (!cli_readline(message))
	523	goto out;
	524
	525	if (console_buffer[0] != 'y' &&
	526	console_buffer[0] != 'Y')
	527	goto out;
	528	}
a2777ecb MZ	529	#endif
	530	}
	531
	532	/* Parse new Toradex config block data... */
587b13c6	533	if (argc < 3 \|\| (force_overwrite && argc < 4)) {
a2777ecb	534	err = get_cfgblock_interactive();
587b13c6 DS	535	} else {
	536	if (force_overwrite)
	537	err = get_cfgblock_barcode(argv[3]);
	538	else
	539	err = get_cfgblock_barcode(argv[2]);
	540	}
a2777ecb MZ	541	if (err) {
	542	ret = CMD_RET_FAILURE;
	543	goto out;
	544	}
	545
	546	/* Convert serial number to MAC address (the storage format) */
	547	tdx_eth_addr.oui = htonl(0x00142dUL << 8);
	548	tdx_eth_addr.nic = htonl(tdx_serial << 8);
	549
	550	/* Valid Tag */
	551	tag = (struct toradex_tag *)config_block;
	552	tag->id = TAG_VALID;
	553	tag->flags = TAG_FLAG_VALID;
	554	tag->len = 0;
	555	offset += 4;
	556
	557	/* Product Tag */
	558	tag = (struct toradex_tag *)(config_block + offset);
	559	tag->id = TAG_HW;
	560	tag->flags = TAG_FLAG_VALID;
	561	tag->len = 2;
	562	offset += 4;
	563
	564	memcpy(config_block + offset, &tdx_hw_tag, 8);
	565	offset += 8;
	566
	567	/* MAC Tag */
	568	tag = (struct toradex_tag *)(config_block + offset);
	569	tag->id = TAG_MAC;
	570	tag->flags = TAG_FLAG_VALID;
	571	tag->len = 2;
	572	offset += 4;
	573
	574	memcpy(config_block + offset, &tdx_eth_addr, 6);
	575	offset += 6;
	576	memset(config_block + offset, 0, 32 - offset);
	577
	578	#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
	579	err = tdx_cfg_block_mmc_storage(config_block, 1);
	580	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
	581	err = write_tdx_cfg_block_to_nand(config_block);
	582	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
	583	err = write_tdx_cfg_block_to_nor(config_block);
	584	#else
	585	err = -EINVAL;
	586	#endif
	587	if (err) {
	588	printf("Failed to write Toradex config block: %d\n", ret);
	589	ret = CMD_RET_FAILURE;
	590	goto out;
	591	}
	592
	593	printf("Toradex config block successfully written\n");
	594
	595	out:
	596	free(config_block);
	597	return ret;
	598	}
	599
	600	static int do_cfgblock(cmd_tbl_t *cmdtp, int flag, int argc,
	601	char * const argv[])
	602	{
	603	int ret;
	604
605	if (argc < 2)
606	return CMD_RET_USAGE;
607
608	if (!strcmp(argv[1], "create")) {
609	return do_cfgblock_create(cmdtp, flag, argc, argv);
610	} else if (!strcmp(argv[1], "reload")) {
611	ret = read_tdx_cfg_block();
612	if (ret) {
613	printf("Failed to reload Toradex config block: %d\n",
614	ret);
615	return CMD_RET_FAILURE;
616	}
617	return CMD_RET_SUCCESS;
618	}
619
620	return CMD_RET_USAGE;
621	}
622
623	U_BOOT_CMD(
587b13c6	624	cfgblock, 4, 0, do_cfgblock,
a2777ecb	625	"Toradex config block handling commands",
587b13c6	626	"create [-y] [barcode] - (Re-)create Toradex config block\n"
a2777ecb MZ	627	"cfgblock reload - Reload Toradex config block from flash"
a2777ecb MZ	628	);