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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (c) 2016-2020 Toradex
- */
- #include <common.h>
- #include <asm/global_data.h>
- #include "tdx-cfg-block.h"
- #include "tdx-eeprom.h"
- #include <command.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) || \
- defined(CONFIG_TARGET_VERDIN_IMX8MP)
- #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_CAR_SERIAL 0x0021
- #define TAG_HW 0x0008
- #define TAG_INVALID 0xffff
- #define TAG_FLAG_VALID 0x1
- #define TDX_EEPROM_ID_MODULE 0
- #define TDX_EEPROM_ID_CARRIER 1
- #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
- #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
- #define TDX_CFG_BLOCK_MAX_SIZE 64
- #else
- #error Toradex config block location not set
- #endif
- #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
- #define TDX_CFG_BLOCK_EXTRA_MAX_SIZE 64
- #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;
- #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
- u32 tdx_car_serial;
- bool valid_cfgblock_carrier;
- struct toradex_hw tdx_car_hw_tag;
- #endif
- 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 Quad 1GB Wi-Fi / BT", /* not currently on sale */
- [57] = "Verdin iMX8M Mini DualLite 1GB",
- [58] = "Verdin iMX8M Plus Quad 4GB Wi-Fi / BT IT",
- [59] = "Verdin iMX8M Mini Quad 2GB IT",
- [60] = "Verdin iMX8M Mini DualLite 1GB WB IT",
- [61] = "Verdin iMX8M Plus Quad 2GB",
- };
- const char * const toradex_carrier_boards[] = {
- [0] = "UNKNOWN CARRIER BOARD",
- [155] = "Dahlia",
- [156] = "Verdin Development Board",
- };
- const char * const toradex_display_adapters[] = {
- [0] = "UNKNOWN DISPLAY ADAPTER",
- [157] = "Verdin DSI to HDMI Adapter",
- [159] = "Verdin DSI to LVDS Adapter",
- };
- #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
- #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM
- static int read_tdx_cfg_block_from_eeprom(unsigned char *config_block)
- {
- return read_tdx_eeprom_data(TDX_EEPROM_ID_MODULE, 0x0, config_block,
- TDX_CFG_BLOCK_MAX_SIZE);
- }
- static int write_tdx_cfg_block_to_eeprom(unsigned char *config_block)
- {
- return write_tdx_eeprom_data(TDX_EEPROM_ID_MODULE, 0x0, config_block,
- 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);
- #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
- ret = read_tdx_cfg_block_from_eeprom(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;
- /*
- * check if there is enough space for storing tag and value of the
- * biggest element
- */
- while (offset + sizeof(struct toradex_tag) +
- sizeof(struct toradex_hw) < 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] ");
- else
- it = 'y';
- #if defined(CONFIG_TARGET_APALIS_IMX8) || \
- defined(CONFIG_TARGET_APALIS_IMX8X) || \
- defined(CONFIG_TARGET_COLIBRI_IMX6ULL) || \
- defined(CONFIG_TARGET_COLIBRI_IMX8X) || \
- defined(CONFIG_TARGET_VERDIN_IMX8MM) || \
- defined(CONFIG_TARGET_VERDIN_IMX8MP)
- 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_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 (is_cpu_type(MXC_CPU_IMX8MMDL)) {
- if (wb == 'y' || wb == 'Y')
- tdx_hw_tag.prodid = VERDIN_IMX8MMDL_WIFI_BT_IT;
- else
- tdx_hw_tag.prodid = VERDIN_IMX8MMDL;
- } else if (is_cpu_type(MXC_CPU_IMX8MM)) {
- if (wb == 'y' || wb == 'Y')
- tdx_hw_tag.prodid = VERDIN_IMX8MMQ_WIFI_BT_IT;
- else
- tdx_hw_tag.prodid = VERDIN_IMX8MMQ_IT;
- } else if (is_cpu_type(MXC_CPU_IMX8MN)) {
- tdx_hw_tag.prodid = VERDIN_IMX8MNQ_WIFI_BT;
- } else if (is_cpu_type(MXC_CPU_IMX8MP)) {
- if (wb == 'y' || wb == 'Y')
- tdx_hw_tag.prodid = VERDIN_IMX8MPQ_WIFI_BT_IT;
- else
- tdx_hw_tag.prodid = VERDIN_IMX8MPQ;
- } 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 = dectoul(console_buffer, NULL);
- return 0;
- }
- static int get_cfgblock_barcode(char *barcode, struct toradex_hw *tag,
- u32 *serial)
- {
- char revision[3] = {barcode[6], barcode[7], '\0'};
- if (strlen(barcode) < 16) {
- printf("Argument too short, barcode is 16 chars long\n");
- return -1;
- }
- /* Get hardware information from the first 8 digits */
- tag->ver_major = barcode[4] - '0';
- tag->ver_minor = barcode[5] - '0';
- tag->ver_assembly = dectoul(revision, NULL);
- barcode[4] = '\0';
- tag->prodid = dectoul(barcode, NULL);
- /* Parse second part of the barcode (serial number */
- barcode += 8;
- *serial = dectoul(barcode, NULL);
- return 0;
- }
- static int write_tag(u8 *config_block, int *offset, int tag_id,
- u8 *tag_data, size_t tag_data_size)
- {
- struct toradex_tag *tag;
- if (!offset || !config_block)
- return -EINVAL;
- tag = (struct toradex_tag *)(config_block + *offset);
- tag->id = tag_id;
- tag->flags = TAG_FLAG_VALID;
- /* len is provided as number of 32bit values after the tag */
- tag->len = (tag_data_size + sizeof(u32) - 1) / sizeof(u32);
- *offset += sizeof(struct toradex_tag);
- if (tag_data && tag_data_size) {
- memcpy(config_block + *offset, tag_data,
- tag_data_size);
- *offset += tag_data_size;
- }
- return 0;
- }
- #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
- int read_tdx_cfg_block_carrier(void)
- {
- int ret = 0;
- u8 *config_block = NULL;
- struct toradex_tag *tag;
- size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
- int offset;
- /* Allocate RAM area for carrier 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);
- ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
- size);
- if (ret)
- return ret;
- /* Expect a valid tag first */
- tag = (struct toradex_tag *)config_block;
- if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
- valid_cfgblock_carrier = false;
- ret = -EINVAL;
- goto out;
- }
- valid_cfgblock_carrier = true;
- offset = 4;
- while (offset + sizeof(struct toradex_tag) +
- sizeof(struct toradex_hw) < 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_CAR_SERIAL:
- memcpy(&tdx_car_serial, config_block + offset,
- sizeof(tdx_car_serial));
- break;
- case TAG_HW:
- memcpy(&tdx_car_hw_tag, config_block +
- offset, 8);
- break;
- }
- }
- /* Get to next tag according to current tags length */
- offset += tag->len * 4;
- }
- out:
- free(config_block);
- return ret;
- }
- int check_pid8_sanity(char *pid8)
- {
- char s_carrierid_verdin_dev[5];
- char s_carrierid_dahlia[5];
- sprintf(s_carrierid_verdin_dev, "0%d", VERDIN_DEVELOPMENT_BOARD);
- sprintf(s_carrierid_dahlia, "0%d", DAHLIA);
- /* sane value check, first 4 chars which represent carrier id */
- if (!strncmp(pid8, s_carrierid_verdin_dev, 4))
- return 0;
- if (!strncmp(pid8, s_carrierid_dahlia, 4))
- return 0;
- return -EINVAL;
- }
- int try_migrate_tdx_cfg_block_carrier(void)
- {
- char pid8[8];
- int offset = 0;
- int ret = CMD_RET_SUCCESS;
- size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
- u8 *config_block;
- memset(pid8, 0x0, 8);
- ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, (u8 *)pid8, 8);
- if (ret)
- return ret;
- if (check_pid8_sanity(pid8))
- return -EINVAL;
- /* 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);
- /* we try parse PID8 concatenating zeroed serial number */
- tdx_car_hw_tag.ver_major = pid8[4] - '0';
- tdx_car_hw_tag.ver_minor = pid8[5] - '0';
- tdx_car_hw_tag.ver_assembly = pid8[7] - '0';
- pid8[4] = '\0';
- tdx_car_hw_tag.prodid = dectoul(pid8, NULL);
- /* Valid Tag */
- write_tag(config_block, &offset, TAG_VALID, NULL, 0);
- /* Product Tag */
- write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
- sizeof(tdx_car_hw_tag));
- /* Serial Tag */
- write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
- sizeof(tdx_car_serial));
- memset(config_block + offset, 0, 32 - offset);
- ret = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
- size);
- if (ret) {
- printf("Failed to write Toradex Extra config block: %d\n",
- ret);
- ret = CMD_RET_FAILURE;
- goto out;
- }
- printf("Successfully migrated to Toradex Config Block from PID8\n");
- out:
- free(config_block);
- return ret;
- }
- static int get_cfgblock_carrier_interactive(void)
- {
- char message[CONFIG_SYS_CBSIZE];
- int len;
- printf("Supported carrier boards:\n");
- printf("CARRIER BOARD NAME\t\t [ID]\n");
- for (int i = 0; i < sizeof(toradex_carrier_boards) /
- sizeof(toradex_carrier_boards[0]); i++)
- if (toradex_carrier_boards[i])
- printf("%s \t\t [%d]\n", toradex_carrier_boards[i], i);
- sprintf(message, "Choose your carrier board (provide ID): ");
- len = cli_readline(message);
- tdx_car_hw_tag.prodid = dectoul(console_buffer, NULL);
- do {
- sprintf(message, "Enter carrier board version (e.g. V1.1B): V");
- len = cli_readline(message);
- } while (len < 4);
- tdx_car_hw_tag.ver_major = console_buffer[0] - '0';
- tdx_car_hw_tag.ver_minor = console_buffer[2] - '0';
- tdx_car_hw_tag.ver_assembly = console_buffer[3] - 'A';
- while (len < 8) {
- sprintf(message, "Enter carrier board serial number: ");
- len = cli_readline(message);
- }
- tdx_car_serial = dectoul(console_buffer, NULL);
- return 0;
- }
- static int do_cfgblock_carrier_create(struct cmd_tbl *cmdtp, int flag, int argc,
- char * const argv[])
- {
- u8 *config_block;
- size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
- int offset = 0;
- int ret = CMD_RET_SUCCESS;
- int err;
- int force_overwrite = 0;
- if (argc >= 3) {
- if (argv[2][0] == '-' && argv[2][1] == 'y')
- force_overwrite = 1;
- }
- /* 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);
- read_tdx_cfg_block_carrier();
- if (valid_cfgblock_carrier && !force_overwrite) {
- char message[CONFIG_SYS_CBSIZE];
- sprintf(message, "A valid Toradex Carrier 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;
- }
- if (argc < 3 || (force_overwrite && argc < 4)) {
- err = get_cfgblock_carrier_interactive();
- } else {
- if (force_overwrite)
- err = get_cfgblock_barcode(argv[3], &tdx_car_hw_tag,
- &tdx_car_serial);
- else
- err = get_cfgblock_barcode(argv[2], &tdx_car_hw_tag,
- &tdx_car_serial);
- }
- if (err) {
- ret = CMD_RET_FAILURE;
- goto out;
- }
- /* Valid Tag */
- write_tag(config_block, &offset, TAG_VALID, NULL, 0);
- /* Product Tag */
- write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
- sizeof(tdx_car_hw_tag));
- /* Serial Tag */
- write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
- sizeof(tdx_car_serial));
- memset(config_block + offset, 0, 32 - offset);
- err = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
- size);
- if (err) {
- printf("Failed to write Toradex Extra config block: %d\n",
- ret);
- ret = CMD_RET_FAILURE;
- goto out;
- }
- printf("Toradex Extra config block successfully written\n");
- out:
- free(config_block);
- return ret;
- }
- #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
- static int do_cfgblock_create(struct cmd_tbl *cmdtp, int flag, int argc,
- char * const argv[])
- {
- u8 *config_block;
- size_t size = TDX_CFG_BLOCK_MAX_SIZE;
- int offset = 0;
- int ret = CMD_RET_SUCCESS;
- int err;
- int force_overwrite = 0;
- if (argc >= 3) {
- #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
- if (!strcmp(argv[2], "carrier"))
- return do_cfgblock_carrier_create(cmdtp, flag,
- --argc, ++argv);
- #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
- if (argv[2][0] == '-' && argv[2][1] == 'y')
- force_overwrite = 1;
- }
- /* 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);
- 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], &tdx_hw_tag,
- &tdx_serial);
- else
- err = get_cfgblock_barcode(argv[2], &tdx_hw_tag,
- &tdx_serial);
- }
- 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 */
- write_tag(config_block, &offset, TAG_VALID, NULL, 0);
- /* Product Tag */
- write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_hw_tag,
- sizeof(tdx_hw_tag));
- /* MAC Tag */
- write_tag(config_block, &offset, TAG_MAC, (u8 *)&tdx_eth_addr,
- sizeof(tdx_eth_addr));
- 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);
- #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
- err = write_tdx_cfg_block_to_eeprom(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(struct cmd_tbl *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, 5, 0, do_cfgblock,
- "Toradex config block handling commands",
- "create [-y] [barcode] - (Re-)create Toradex config block\n"
- "create carrier [-y] [barcode] - (Re-)create Toradex Carrier config block\n"
- "cfgblock reload - Reload Toradex config block from flash"
- );
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