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

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (c) 2016-2020 Toradex
 */

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

#if defined(CONFIG_TARGET_APALIS_IMX6) || \
	defined(CONFIG_TARGET_APALIS_IMX8) || \
	defined(CONFIG_TARGET_APALIS_IMX8X) || \
	defined(CONFIG_TARGET_COLIBRI_IMX6) || \
	defined(CONFIG_TARGET_COLIBRI_IMX8X) || \
	defined(CONFIG_TARGET_VERDIN_IMX8MM) || \
	defined(CONFIG_TARGET_VERDIN_IMX8MN)
#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 <env.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",
	[53] = "Apalis iMX8 QuadXPlus 2GB ECC IT",
	[54] = "Apalis iMX8 DualXPlus 1GB",
	[55] = "Verdin iMX8M Mini Quad 2GB Wi-Fi / BT IT",
	[56] = "Verdin iMX8M Nano SoloLite 1GB", /* not currently on sale */
	[57] = "Verdin iMX8M Mini DualLite 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 = 0;

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

	if (cpu_is_pxa27x())
		sprintf(message, "Is the module the 312 MHz version? [y/N] ");
#if !defined(CONFIG_TARGET_VERDIN_IMX8MM) || !defined(CONFIG_TARGET_VERDIN_IMX8MN)
	else
		sprintf(message, "Is the module an IT version? [y/N] ");

	len = cli_readline(message);
	it = console_buffer[0];
#else
	else
		it = 'y';
#endif


#if defined(CONFIG_TARGET_APALIS_IMX8) || \
		defined(CONFIG_TARGET_APALIS_IMX8X) || \
		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_IMX8MM))
		tdx_hw_tag.prodid = VERDIN_IMX8MMQ_WIFI_BT_IT;
	else if (is_cpu_type(MXC_CPU_IMX8MMDL))
		tdx_hw_tag.prodid = VERDIN_IMX8MMDL;
	else if (is_cpu_type(MXC_CPU_IMX8MN))
		tdx_hw_tag.prodid = VERDIN_IMX8MNSL;
	else if (is_cpu_type(MXC_CPU_IMX8QM)) {
		if (it == 'y' || it == 'Y') {
			if (wb == 'y' || wb == 'Y')
				tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
			else
				tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
		} else {
			if (wb == 'y' || wb == 'Y')
				tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
			else
				tdx_hw_tag.prodid = APALIS_IMX8QP;
		}
	} else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
#ifdef CONFIG_TARGET_APALIS_IMX8X
		if (it == 'y' || it == 'Y' || wb == 'y' || wb == 'Y') {
				tdx_hw_tag.prodid = APALIS_IMX8QXP_WIFI_BT_IT;
		} else {
			if (gd->ram_size == 0x40000000)
				tdx_hw_tag.prodid = APALIS_IMX8DXP;
			else
				tdx_hw_tag.prodid = APALIS_IMX8QXP;
		}
#elif CONFIG_TARGET_COLIBRI_IMX8X
		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;
		}
#endif
	} 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	/*
842ddf8e	3	* Copyright (c) 2016-2020 Toradex
a2777ecb MZ	4	*/
	5
	6	#include <common.h>
	7	#include "tdx-cfg-block.h"
90526e9f	8	#include <asm/cache.h>
a2777ecb	9
4adc9fc1	10	#if defined(CONFIG_TARGET_APALIS_IMX6) \|\| \
9d63c7d8	11	defined(CONFIG_TARGET_APALIS_IMX8) \|\| \
842ddf8e	12	defined(CONFIG_TARGET_APALIS_IMX8X) \|\| \
4adc9fc1	13	defined(CONFIG_TARGET_COLIBRI_IMX6) \|\| \
c0c3978c MZ	14	defined(CONFIG_TARGET_COLIBRI_IMX8X) \|\| \
	15	defined(CONFIG_TARGET_VERDIN_IMX8MM) \|\| \
	16	defined(CONFIG_TARGET_VERDIN_IMX8MN)
a2777ecb MZ	17	#include <asm/arch/sys_proto.h>
	18	#else
	19	#define is_cpu_type(cpu) (0)
	20	#endif
	21	#if defined(CONFIG_CPU_PXA27X)
	22	#include <asm/arch-pxa/pxa.h>
	23	#else
	24	#define cpu_is_pxa27x(cpu) (0)
	25	#endif
	26	#include <cli.h>
	27	#include <console.h>
7b51b576	28	#include <env.h>
a2777ecb MZ	29	#include <flash.h>
	30	#include <malloc.h>
	31	#include <mmc.h>
	32	#include <nand.h>
c62db35d	33	#include <asm/mach-types.h>
a2777ecb MZ	34
	35	DECLARE_GLOBAL_DATA_PTR;
	36
	37	#define TAG_VALID 0xcf01
	38	#define TAG_MAC 0x0000
	39	#define TAG_HW 0x0008
	40	#define TAG_INVALID 0xffff
	41
	42	#define TAG_FLAG_VALID 0x1
	43
	44	#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
	45	#define TDX_CFG_BLOCK_MAX_SIZE 512
	46	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
	47	#define TDX_CFG_BLOCK_MAX_SIZE 64
	48	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
	49	#define TDX_CFG_BLOCK_MAX_SIZE 64
	50	#else
	51	#error Toradex config block location not set
	52	#endif
	53
	54	struct toradex_tag {
	55	u32 len:14;
	56	u32 flags:2;
	57	u32 id:16;
	58	};
	59
	60	bool valid_cfgblock;
	61	struct toradex_hw tdx_hw_tag;
	62	struct toradex_eth_addr tdx_eth_addr;
	63	u32 tdx_serial;
	64
	65	const char * const toradex_modules[] = {
	66	[0] = "UNKNOWN MODULE",
	67	[1] = "Colibri PXA270 312MHz",
	68	[2] = "Colibri PXA270 520MHz",
	69	[3] = "Colibri PXA320 806MHz",
	70	[4] = "Colibri PXA300 208MHz",
	71	[5] = "Colibri PXA310 624MHz",
	72	[6] = "Colibri PXA320 806MHz IT",
	73	[7] = "Colibri PXA300 208MHz XT",
	74	[8] = "Colibri PXA270 312MHz",
	75	[9] = "Colibri PXA270 520MHz",
	76	[10] = "Colibri VF50 128MB", /* not currently on sale */
	77	[11] = "Colibri VF61 256MB",
	78	[12] = "Colibri VF61 256MB IT",
	79	[13] = "Colibri VF50 128MB IT",
	80	[14] = "Colibri iMX6 Solo 256MB",
	81	[15] = "Colibri iMX6 DualLite 512MB",
	82	[16] = "Colibri iMX6 Solo 256MB IT",
	83	[17] = "Colibri iMX6 DualLite 512MB IT",
	84	[18] = "UNKNOWN MODULE",
	85	[19] = "UNKNOWN MODULE",
	86	[20] = "Colibri T20 256MB",
	87	[21] = "Colibri T20 512MB",
	88	[22] = "Colibri T20 512MB IT",
	89	[23] = "Colibri T30 1GB",
	90	[24] = "Colibri T20 256MB IT",
	91	[25] = "Apalis T30 2GB",
	92	[26] = "Apalis T30 1GB",
	93	[27] = "Apalis iMX6 Quad 1GB",
	94	[28] = "Apalis iMX6 Quad 2GB IT",
	95	[29] = "Apalis iMX6 Dual 512MB",
	96	[30] = "Colibri T30 1GB IT",
	97	[31] = "Apalis T30 1GB IT",
98	[32] = "Colibri iMX7 Solo 256MB",
99	[33] = "Colibri iMX7 Dual 512MB",
100	[34] = "Apalis TK1 2GB",
101	[35] = "Apalis iMX6 Dual 1GB IT",
d826b875	102	[36] = "Colibri iMX6ULL 256MB",
4adc9fc1 MZ	103	[37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
4adc9fc1 MZ	104	[38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
d826b875	105	[39] = "Colibri iMX7 Dual 1GB (eMMC)",
4adc9fc1	106	[40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
d826b875 SA	107	[41] = "Colibri iMX7 Dual 512MB EPDC",
d826b875 SA	108	[42] = "Apalis TK1 4GB",
08f80555 GS	109	[43] = "Colibri T20 512MB IT SETEK",
	110	[44] = "Colibri iMX6ULL 512MB IT",
	111	[45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
6988a3af MZ	112	[46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
	113	[47] = "Apalis iMX8 QuadMax 4GB IT",
	114	[48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
	115	[49] = "Apalis iMX8 QuadPlus 2GB",
	116	[50] = "Colibri iMX8 QuadXPlus 2GB IT",
	117	[51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
	118	[52] = "Colibri iMX8 DualX 1GB",
842ddf8e MZ	119	[53] = "Apalis iMX8 QuadXPlus 2GB ECC IT",
842ddf8e MZ	120	[54] = "Apalis iMX8 DualXPlus 1GB",
c0c3978c MZ	121	[55] = "Verdin iMX8M Mini Quad 2GB Wi-Fi / BT IT",
	122	[56] = "Verdin iMX8M Nano SoloLite 1GB", /* not currently on sale */
	123	[57] = "Verdin iMX8M Mini DualLite 1GB",
a2777ecb MZ	124	};
	125
	126	#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
	127	static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
	128	{
	129	struct mmc *mmc;
	130	int dev = CONFIG_TDX_CFG_BLOCK_DEV;
	131	int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
	132	uint part = CONFIG_TDX_CFG_BLOCK_PART;
	133	uint blk_start;
	134	int ret = 0;
	135
	136	/* Read production parameter config block from eMMC */
	137	mmc = find_mmc_device(dev);
	138	if (!mmc) {
	139	puts("No MMC card found\n");
	140	ret = -ENODEV;
	141	goto out;
	142	}
42a4f182 SA	143	if (mmc_init(mmc)) {
	144	puts("MMC init failed\n");
	145	return -EINVAL;
	146	}
0e513e78	147	if (part != mmc_get_blk_desc(mmc)->hwpart) {
a2777ecb MZ	148	if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
	149	puts("MMC partition switch failed\n");
	150	ret = -ENODEV;
	151	goto out;
	152	}
	153	}
	154	if (offset < 0)
	155	offset += mmc->capacity;
	156	blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
	157
	158	if (!write) {
	159	/* Careful reads a whole block of 512 bytes into config_block */
	160	if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
	161	(unsigned char *)config_block) != 1) {
	162	ret = -EIO;
	163	goto out;
	164	}
a2777ecb MZ	165	} else {
	166	/* Just writing one 512 byte block */
	167	if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
	168	(unsigned char *)config_block) != 1) {
	169	ret = -EIO;
	170	goto out;
	171	}
	172	}
	173
	174	out:
	175	/* Switch back to regular eMMC user partition */
	176	blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
	177
	178	return ret;
	179	}
	180	#endif
	181
	182	#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
	183	static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
	184	{
	185	size_t size = TDX_CFG_BLOCK_MAX_SIZE;
bc53fb19 SA	186	struct mtd_info *mtd = get_nand_dev_by_index(0);
	187
	188	if (!mtd)
	189	return -ENODEV;
a2777ecb MZ	190
a2777ecb MZ	191	/* Read production parameter config block from NAND page */
bc53fb19	192	return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
bf264cd0 GS	193	&size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
bf264cd0 GS	194	config_block);
a2777ecb MZ	195	}
	196
	197	static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
	198	{
	199	size_t size = TDX_CFG_BLOCK_MAX_SIZE;
	200
	201	/* Write production parameter config block to NAND page */
bf264cd0 GS	202	return nand_write_skip_bad(get_nand_dev_by_index(0),
bf264cd0 GS	203	CONFIG_TDX_CFG_BLOCK_OFFSET,
a2777ecb MZ	204	&size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
	205	config_block, WITH_WR_VERIFY);
	206	}
	207	#endif
	208
	209	#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
	210	static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
	211	{
	212	/* Read production parameter config block from NOR flash */
	213	memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
	214	TDX_CFG_BLOCK_MAX_SIZE);
	215	return 0;
	216	}
	217
	218	static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
	219	{
	220	/* Write production parameter config block to NOR flash */
	221	return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
	222	TDX_CFG_BLOCK_MAX_SIZE);
	223	}
	224	#endif
	225
	226	int read_tdx_cfg_block(void)
	227	{
	228	int ret = 0;
	229	u8 *config_block = NULL;
	230	struct toradex_tag *tag;
	231	size_t size = TDX_CFG_BLOCK_MAX_SIZE;
	232	int offset;
	233
	234	/* Allocate RAM area for config block */
	235	config_block = memalign(ARCH_DMA_MINALIGN, size);
	236	if (!config_block) {
	237	printf("Not enough malloc space available!\n");
	238	return -ENOMEM;
	239	}
	240
	241	memset(config_block, 0, size);
	242
	243	#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
	244	ret = tdx_cfg_block_mmc_storage(config_block, 0);
	245	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
	246	ret = read_tdx_cfg_block_from_nand(config_block);
	247	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
	248	ret = read_tdx_cfg_block_from_nor(config_block);
	249	#else
	250	ret = -EINVAL;
	251	#endif
	252	if (ret)
	253	goto out;
	254
	255	/* Expect a valid tag first */
	256	tag = (struct toradex_tag *)config_block;
	257	if (tag->flags != TAG_FLAG_VALID \|\| tag->id != TAG_VALID) {
	258	valid_cfgblock = false;
	259	ret = -EINVAL;
	260	goto out;
	261	}
	262	valid_cfgblock = true;
	263	offset = 4;
	264
	265	while (offset < TDX_CFG_BLOCK_MAX_SIZE) {
	266	tag = (struct toradex_tag *)(config_block + offset);
	267	offset += 4;
268	if (tag->id == TAG_INVALID)
269	break;
270
271	if (tag->flags == TAG_FLAG_VALID) {
272	switch (tag->id) {
273	case TAG_MAC:
274	memcpy(&tdx_eth_addr, config_block + offset,
275	6);
276
277	/* NIC part of MAC address is serial number */
278	tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
279	break;
280	case TAG_HW:
281	memcpy(&tdx_hw_tag, config_block + offset, 8);
282	break;
283	}
284	}
285
286	/* Get to next tag according to current tags length */
287	offset += tag->len * 4;
288	}
289
290	/* Cap product id to avoid issues with a yet unknown one */
ccdd3713	291	if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
a2777ecb MZ	292	sizeof(toradex_modules[0])))
	293	tdx_hw_tag.prodid = 0;
	294
	295	out:
	296	free(config_block);
	297	return ret;
	298	}
	299
	300	static int get_cfgblock_interactive(void)
	301	{
	302	char message[CONFIG_SYS_CBSIZE];
	303	char *soc;
	304	char it = 'n';
d1aa1444	305	char wb = 'n';
c0c3978c	306	int len = 0;
a2777ecb	307
89315f31 SA	308	/* Unknown module by default */
	309	tdx_hw_tag.prodid = 0;
	310
a2777ecb MZ	311	if (cpu_is_pxa27x())
a2777ecb MZ	312	sprintf(message, "Is the module the 312 MHz version? [y/N] ");
c0c3978c	313	#if !defined(CONFIG_TARGET_VERDIN_IMX8MM) \|\| !defined(CONFIG_TARGET_VERDIN_IMX8MN)
a2777ecb MZ	314	else
a2777ecb MZ	315	sprintf(message, "Is the module an IT version? [y/N] ");
c0c3978c	316
a2777ecb MZ	317	len = cli_readline(message);
a2777ecb MZ	318	it = console_buffer[0];
c0c3978c MZ	319	#else
	320	else
	321	it = 'y';
	322	#endif
	323
a2777ecb	324
d1aa1444	325	#if defined(CONFIG_TARGET_APALIS_IMX8) \|\| \
842ddf8e	326	defined(CONFIG_TARGET_APALIS_IMX8X) \|\| \
d1aa1444 MZ	327	defined(CONFIG_TARGET_COLIBRI_IMX6ULL) \|\| \
	328	defined(CONFIG_TARGET_COLIBRI_IMX8X)
	329	sprintf(message, "Does the module have Wi-Fi / Bluetooth? [y/N] ");
	330	len = cli_readline(message);
	331	wb = console_buffer[0];
	332	#endif
	333
00caae6d	334	soc = env_get("soc");
a2777ecb	335	if (!strcmp("mx6", soc)) {
89315f31 SA	336	#ifdef CONFIG_TARGET_APALIS_IMX6
89315f31 SA	337	if (it == 'y' \|\| it == 'Y') {
a2777ecb MZ	338	if (is_cpu_type(MXC_CPU_MX6Q))
	339	tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
	340	else
	341	tdx_hw_tag.prodid = APALIS_IMX6D_IT;
89315f31	342	} else {
a2777ecb MZ	343	if (is_cpu_type(MXC_CPU_MX6Q))
	344	tdx_hw_tag.prodid = APALIS_IMX6Q;
	345	else
	346	tdx_hw_tag.prodid = APALIS_IMX6D;
89315f31 SA	347	}
89315f31 SA	348	#elif CONFIG_TARGET_COLIBRI_IMX6
08f80555	349	if (it == 'y' \|\| it == 'Y') {
89315f31	350	if (is_cpu_type(MXC_CPU_MX6DL))
a2777ecb	351	tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
89315f31	352	else if (is_cpu_type(MXC_CPU_MX6SOLO))
a2777ecb	353	tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
08f80555	354	} else {
89315f31	355	if (is_cpu_type(MXC_CPU_MX6DL))
a2777ecb	356	tdx_hw_tag.prodid = COLIBRI_IMX6DL;
89315f31	357	else if (is_cpu_type(MXC_CPU_MX6SOLO))
a2777ecb	358	tdx_hw_tag.prodid = COLIBRI_IMX6S;
08f80555	359	}
89315f31	360	#elif CONFIG_TARGET_COLIBRI_IMX6ULL
89315f31 SA	361	if (it == 'y' \|\| it == 'Y') {
	362	if (wb == 'y' \|\| wb == 'Y')
	363	tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
	364	else
	365	tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
	366	} else {
	367	if (wb == 'y' \|\| wb == 'Y')
	368	tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
	369	else
	370	tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
	371	}
	372	#endif
08f80555	373	} else if (!strcmp("imx7d", soc))
a2777ecb	374	tdx_hw_tag.prodid = COLIBRI_IMX7D;
08f80555	375	else if (!strcmp("imx7s", soc))
a2777ecb	376	tdx_hw_tag.prodid = COLIBRI_IMX7S;
c0c3978c MZ	377	else if (is_cpu_type(MXC_CPU_IMX8MM))
	378	tdx_hw_tag.prodid = VERDIN_IMX8MMQ_WIFI_BT_IT;
	379	else if (is_cpu_type(MXC_CPU_IMX8MMDL))
	380	tdx_hw_tag.prodid = VERDIN_IMX8MMDL;
	381	else if (is_cpu_type(MXC_CPU_IMX8MN))
	382	tdx_hw_tag.prodid = VERDIN_IMX8MNSL;
9d63c7d8 MZ	383	else if (is_cpu_type(MXC_CPU_IMX8QM)) {
	384	if (it == 'y' \|\| it == 'Y') {
	385	if (wb == 'y' \|\| wb == 'Y')
	386	tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
	387	else
	388	tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
	389	} else {
	390	if (wb == 'y' \|\| wb == 'Y')
	391	tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
	392	else
	393	tdx_hw_tag.prodid = APALIS_IMX8QP;
	394	}
	395	} else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
842ddf8e MZ	396	#ifdef CONFIG_TARGET_APALIS_IMX8X
	397	if (it == 'y' \|\| it == 'Y' \|\| wb == 'y' \|\| wb == 'Y') {
	398	tdx_hw_tag.prodid = APALIS_IMX8QXP_WIFI_BT_IT;
	399	} else {
	400	if (gd->ram_size == 0x40000000)
	401	tdx_hw_tag.prodid = APALIS_IMX8DXP;
	402	else
	403	tdx_hw_tag.prodid = APALIS_IMX8QXP;
	404	}
	405	#elif CONFIG_TARGET_COLIBRI_IMX8X
6c297ee8 MZ	406	if (it == 'y' \|\| it == 'Y') {
	407	if (wb == 'y' \|\| wb == 'Y')
	408	tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
	409	else
	410	tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
	411	} else {
	412	if (wb == 'y' \|\| wb == 'Y')
	413	tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
	414	else
	415	tdx_hw_tag.prodid = COLIBRI_IMX8DX;
	416	}
842ddf8e	417	#endif
6c297ee8	418	} else if (!strcmp("tegra20", soc)) {
a2777ecb MZ	419	if (it == 'y' \|\| it == 'Y')
	420	if (gd->ram_size == 0x10000000)
	421	tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
	422	else
	423	tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
	424	else
	425	if (gd->ram_size == 0x10000000)
	426	tdx_hw_tag.prodid = COLIBRI_T20_256MB;
	427	else
	428	tdx_hw_tag.prodid = COLIBRI_T20_512MB;
	429	} else if (cpu_is_pxa27x()) {
	430	if (it == 'y' \|\| it == 'Y')
	431	tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
	432	else
	433	tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
08f80555	434	}
a2777ecb	435	#ifdef CONFIG_MACH_TYPE
08f80555	436	else if (!strcmp("tegra30", soc)) {
a2777ecb MZ	437	if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
	438	if (it == 'y' \|\| it == 'Y')
	439	tdx_hw_tag.prodid = APALIS_T30_IT;
	440	else
	441	if (gd->ram_size == 0x40000000)
	442	tdx_hw_tag.prodid = APALIS_T30_1GB;
	443	else
	444	tdx_hw_tag.prodid = APALIS_T30_2GB;
	445	} else {
	446	if (it == 'y' \|\| it == 'Y')
	447	tdx_hw_tag.prodid = COLIBRI_T30_IT;
	448	else
	449	tdx_hw_tag.prodid = COLIBRI_T30;
	450	}
08f80555	451	}
a2777ecb	452	#endif /* CONFIG_MACH_TYPE */
08f80555	453	else if (!strcmp("tegra124", soc)) {
a2777ecb MZ	454	tdx_hw_tag.prodid = APALIS_TK1_2GB;
	455	} else if (!strcmp("vf500", soc)) {
	456	if (it == 'y' \|\| it == 'Y')
	457	tdx_hw_tag.prodid = COLIBRI_VF50_IT;
	458	else
	459	tdx_hw_tag.prodid = COLIBRI_VF50;
	460	} else if (!strcmp("vf610", soc)) {
	461	if (it == 'y' \|\| it == 'Y')
	462	tdx_hw_tag.prodid = COLIBRI_VF61_IT;
	463	else
	464	tdx_hw_tag.prodid = COLIBRI_VF61;
89315f31 SA	465	}
	466
	467	if (!tdx_hw_tag.prodid) {
a2777ecb MZ	468	printf("Module type not detectable due to unknown SoC\n");
	469	return -1;
	470	}
	471
	472	while (len < 4) {
	473	sprintf(message, "Enter the module version (e.g. V1.1B): V");
	474	len = cli_readline(message);
	475	}
	476
	477	tdx_hw_tag.ver_major = console_buffer[0] - '0';
	478	tdx_hw_tag.ver_minor = console_buffer[2] - '0';
	479	tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
	480
08f80555	481	if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
a2777ecb MZ	482	tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
	483	COLIBRI_PXA270_V1_312MHZ);
	484
	485	while (len < 8) {
	486	sprintf(message, "Enter module serial number: ");
	487	len = cli_readline(message);
	488	}
	489
	490	tdx_serial = simple_strtoul(console_buffer, NULL, 10);
	491
	492	return 0;
	493	}
	494
	495	static int get_cfgblock_barcode(char *barcode)
	496	{
	497	if (strlen(barcode) < 16) {
	498	printf("Argument too short, barcode is 16 chars long\n");
	499	return -1;
	500	}
	501
	502	/* Get hardware information from the first 8 digits */
	503	tdx_hw_tag.ver_major = barcode[4] - '0';
	504	tdx_hw_tag.ver_minor = barcode[5] - '0';
	505	tdx_hw_tag.ver_assembly = barcode[7] - '0';
	506
	507	barcode[4] = '\0';
	508	tdx_hw_tag.prodid = simple_strtoul(barcode, NULL, 10);
	509
	510	/* Parse second part of the barcode (serial number */
	511	barcode += 8;
	512	tdx_serial = simple_strtoul(barcode, NULL, 10);
	513
	514	return 0;
	515	}
	516
	517	static int do_cfgblock_create(cmd_tbl_t *cmdtp, int flag, int argc,
	518	char * const argv[])
	519	{
	520	u8 *config_block;
	521	struct toradex_tag *tag;
	522	size_t size = TDX_CFG_BLOCK_MAX_SIZE;
	523	int offset = 0;
	524	int ret = CMD_RET_SUCCESS;
	525	int err;
587b13c6	526	int force_overwrite = 0;
a2777ecb MZ	527
	528	/* Allocate RAM area for config block */
	529	config_block = memalign(ARCH_DMA_MINALIGN, size);
	530	if (!config_block) {
	531	printf("Not enough malloc space available!\n");
	532	return CMD_RET_FAILURE;
	533	}
	534
	535	memset(config_block, 0xff, size);
	536
587b13c6 DS	537	if (argc >= 3) {
	538	if (argv[2][0] == '-' && argv[2][1] == 'y')
	539	force_overwrite = 1;
	540	}
	541
a2777ecb MZ	542	read_tdx_cfg_block();
	543	if (valid_cfgblock) {
	544	#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
	545	/*
	546	* On NAND devices, recreation is only allowed if the page is
	547	* empty (config block invalid...)
	548	*/
9d364ebd	549	printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
bf264cd0 GS	550	CONFIG_TDX_CFG_BLOCK_OFFSET /
bf264cd0 GS	551	get_nand_dev_by_index(0)->erasesize);
a2777ecb MZ	552	goto out;
	553	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
	554	/*
	555	* On NOR devices, recreation is only allowed if the sector is
	556	* empty and write protection is off (config block invalid...)
	557	*/
9d364ebd	558	printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
a2777ecb MZ	559	CONFIG_TDX_CFG_BLOCK_OFFSET);
	560	goto out;
	561	#else
587b13c6 DS	562	if (!force_overwrite) {
587b13c6 DS	563	char message[CONFIG_SYS_CBSIZE];
a2777ecb	564
587b13c6 DS	565	sprintf(message,
587b13c6 DS	566	"A valid Toradex config block is present, still recreate? [y/N] ");
a2777ecb	567
587b13c6 DS	568	if (!cli_readline(message))
	569	goto out;
	570
	571	if (console_buffer[0] != 'y' &&
	572	console_buffer[0] != 'Y')
	573	goto out;
	574	}
a2777ecb MZ	575	#endif
	576	}
	577
	578	/* Parse new Toradex config block data... */
587b13c6	579	if (argc < 3 \|\| (force_overwrite && argc < 4)) {
a2777ecb	580	err = get_cfgblock_interactive();
587b13c6 DS	581	} else {
	582	if (force_overwrite)
	583	err = get_cfgblock_barcode(argv[3]);
	584	else
	585	err = get_cfgblock_barcode(argv[2]);
	586	}
a2777ecb MZ	587	if (err) {
	588	ret = CMD_RET_FAILURE;
	589	goto out;
	590	}
	591
	592	/* Convert serial number to MAC address (the storage format) */
	593	tdx_eth_addr.oui = htonl(0x00142dUL << 8);
	594	tdx_eth_addr.nic = htonl(tdx_serial << 8);
	595
	596	/* Valid Tag */
	597	tag = (struct toradex_tag *)config_block;
	598	tag->id = TAG_VALID;
	599	tag->flags = TAG_FLAG_VALID;
	600	tag->len = 0;
	601	offset += 4;
	602
	603	/* Product Tag */
	604	tag = (struct toradex_tag *)(config_block + offset);
	605	tag->id = TAG_HW;
	606	tag->flags = TAG_FLAG_VALID;
	607	tag->len = 2;
	608	offset += 4;
	609
	610	memcpy(config_block + offset, &tdx_hw_tag, 8);
	611	offset += 8;
	612
	613	/* MAC Tag */
	614	tag = (struct toradex_tag *)(config_block + offset);
	615	tag->id = TAG_MAC;
	616	tag->flags = TAG_FLAG_VALID;
	617	tag->len = 2;
	618	offset += 4;
	619
	620	memcpy(config_block + offset, &tdx_eth_addr, 6);
	621	offset += 6;
	622	memset(config_block + offset, 0, 32 - offset);
	623
	624	#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
	625	err = tdx_cfg_block_mmc_storage(config_block, 1);
	626	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
	627	err = write_tdx_cfg_block_to_nand(config_block);
	628	#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
	629	err = write_tdx_cfg_block_to_nor(config_block);
	630	#else
	631	err = -EINVAL;
	632	#endif
	633	if (err) {
	634	printf("Failed to write Toradex config block: %d\n", ret);
	635	ret = CMD_RET_FAILURE;
	636	goto out;
	637	}
	638
	639	printf("Toradex config block successfully written\n");
	640
	641	out:
	642	free(config_block);
	643	return ret;
	644	}
	645
	646	static int do_cfgblock(cmd_tbl_t *cmdtp, int flag, int argc,
	647	char * const argv[])
	648	{
	649	int ret;
	650
651	if (argc < 2)
652	return CMD_RET_USAGE;
653
654	if (!strcmp(argv[1], "create")) {
655	return do_cfgblock_create(cmdtp, flag, argc, argv);
656	} else if (!strcmp(argv[1], "reload")) {
657	ret = read_tdx_cfg_block();
658	if (ret) {
659	printf("Failed to reload Toradex config block: %d\n",
660	ret);
661	return CMD_RET_FAILURE;
662	}
663	return CMD_RET_SUCCESS;
664	}
665
666	return CMD_RET_USAGE;
667	}
668
9d364ebd MZ	669	U_BOOT_CMD(cfgblock, 4, 0, do_cfgblock,
	670	"Toradex config block handling commands",
	671	"create [-y] [barcode] - (Re-)create Toradex config block\n"
	672	"cfgblock reload - Reload Toradex config block from flash"
a2777ecb	673	);