// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2016-2020 Toradex */ #include #include #include "tdx-cfg-block.h" #include "tdx-eeprom.h" #include #include #include #include #include #include #include #include #include #include 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 #define TARGET_IS_ENABLED(x) IS_ENABLED(CONFIG_TARGET_ ## x) const struct toradex_som toradex_modules[] = { [0] = { "UNKNOWN MODULE", 0 }, [1] = { "Colibri PXA270 312MHz", 0 }, [2] = { "Colibri PXA270 520MHz", 0 }, [3] = { "Colibri PXA320 806MHz", 0 }, [4] = { "Colibri PXA300 208MHz", 0 }, [5] = { "Colibri PXA310 624MHz", 0 }, [6] = { "Colibri PXA320IT 806MHz", 0 }, [7] = { "Colibri PXA300 208MHz XT", 0 }, [8] = { "Colibri PXA270 312MHz", 0 }, [9] = { "Colibri PXA270 520MHz", 0 }, [10] = { "Colibri VF50 128MB", TARGET_IS_ENABLED(COLIBRI_VF) }, [11] = { "Colibri VF61 256MB", TARGET_IS_ENABLED(COLIBRI_VF) }, [12] = { "Colibri VF61 256MB IT", TARGET_IS_ENABLED(COLIBRI_VF) }, [13] = { "Colibri VF50 128MB IT", TARGET_IS_ENABLED(COLIBRI_VF) }, [14] = { "Colibri iMX6S 256MB", TARGET_IS_ENABLED(COLIBRI_IMX6) }, [15] = { "Colibri iMX6DL 512MB", TARGET_IS_ENABLED(COLIBRI_IMX6) }, [16] = { "Colibri iMX6S 256MB IT", TARGET_IS_ENABLED(COLIBRI_IMX6) }, [17] = { "Colibri iMX6DL 512MB IT", TARGET_IS_ENABLED(COLIBRI_IMX6) }, [18] = { "UNKNOWN MODULE", 0 }, [19] = { "UNKNOWN MODULE", 0 }, [20] = { "Colibri T20 256MB", TARGET_IS_ENABLED(COLIBRI_T20) }, [21] = { "Colibri T20 512MB", TARGET_IS_ENABLED(COLIBRI_T20) }, [22] = { "Colibri T20 512MB IT", TARGET_IS_ENABLED(COLIBRI_T20) }, [23] = { "Colibri T30 1GB", TARGET_IS_ENABLED(COLIBRI_T30) }, [24] = { "Colibri T20 256MB IT", TARGET_IS_ENABLED(COLIBRI_T20) }, [25] = { "Apalis T30 2GB", TARGET_IS_ENABLED(APALIS_T30) }, [26] = { "Apalis T30 1GB", TARGET_IS_ENABLED(APALIS_T30) }, [27] = { "Apalis iMX6Q 1GB", TARGET_IS_ENABLED(APALIS_IMX6) }, [28] = { "Apalis iMX6Q 2GB IT", TARGET_IS_ENABLED(APALIS_IMX6) }, [29] = { "Apalis iMX6D 512MB", TARGET_IS_ENABLED(APALIS_IMX6) }, [30] = { "Colibri T30 1GB IT", TARGET_IS_ENABLED(COLIBRI_T30) }, [31] = { "Apalis T30 1GB IT", TARGET_IS_ENABLED(APALIS_T30) }, [32] = { "Colibri iMX7S 256MB", TARGET_IS_ENABLED(COLIBRI_IMX7) }, [33] = { "Colibri iMX7D 512MB", TARGET_IS_ENABLED(COLIBRI_IMX7) }, [34] = { "Apalis TK1 2GB", TARGET_IS_ENABLED(APALIS_TK1) }, [35] = { "Apalis iMX6D 1GB IT", TARGET_IS_ENABLED(APALIS_IMX6) }, [36] = { "Colibri iMX6ULL 256MB", TARGET_IS_ENABLED(COLIBRI_IMX6ULL) }, [37] = { "Apalis iMX8QM 4GB WB IT", TARGET_IS_ENABLED(APALIS_IMX8) }, [38] = { "Colibri iMX8QXP 2GB WB IT", TARGET_IS_ENABLED(COLIBRI_IMX8X) }, [39] = { "Colibri iMX7D 1GB", TARGET_IS_ENABLED(COLIBRI_IMX7) }, [40] = { "Colibri iMX6ULL 512MB WB IT", TARGET_IS_ENABLED(COLIBRI_IMX6ULL) }, [41] = { "Colibri iMX7D 512MB EPDC", TARGET_IS_ENABLED(COLIBRI_IMX7) }, [42] = { "Apalis TK1 4GB", TARGET_IS_ENABLED(APALIS_TK1) }, [43] = { "Colibri T20 512MB IT SETEK", TARGET_IS_ENABLED(COLIBRI_T20) }, [44] = { "Colibri iMX6ULL 512MB IT", TARGET_IS_ENABLED(COLIBRI_IMX6ULL) }, [45] = { "Colibri iMX6ULL 512MB WB", TARGET_IS_ENABLED(COLIBRI_IMX6ULL) }, [46] = { "Apalis iMX8QXP 2GB WB IT", 0 }, [47] = { "Apalis iMX8QM 4GB IT", TARGET_IS_ENABLED(APALIS_IMX8) }, [48] = { "Apalis iMX8QP 2GB WB", TARGET_IS_ENABLED(APALIS_IMX8) }, [49] = { "Apalis iMX8QP 2GB", TARGET_IS_ENABLED(APALIS_IMX8) }, [50] = { "Colibri iMX8QXP 2GB IT", TARGET_IS_ENABLED(COLIBRI_IMX8X) }, [51] = { "Colibri iMX8DX 1GB WB", TARGET_IS_ENABLED(COLIBRI_IMX8X) }, [52] = { "Colibri iMX8DX 1GB", TARGET_IS_ENABLED(COLIBRI_IMX8X) }, [53] = { "Apalis iMX8QXP 2GB ECC IT", 0 }, [54] = { "Apalis iMX8DXP 1GB", TARGET_IS_ENABLED(APALIS_IMX8) }, [55] = { "Verdin iMX8M Mini Quad 2GB WB IT", TARGET_IS_ENABLED(VERDIN_IMX8MM) }, [56] = { "Verdin iMX8M Nano Quad 1GB WB", 0 }, [57] = { "Verdin iMX8M Mini DualLite 1GB", TARGET_IS_ENABLED(VERDIN_IMX8MM) }, [58] = { "Verdin iMX8M Plus Quad 4GB WB IT", TARGET_IS_ENABLED(VERDIN_IMX8MP) }, [59] = { "Verdin iMX8M Mini Quad 2GB IT", TARGET_IS_ENABLED(VERDIN_IMX8MM) }, [60] = { "Verdin iMX8M Mini DualLite 1GB WB IT", TARGET_IS_ENABLED(VERDIN_IMX8MM) }, [61] = { "Verdin iMX8M Plus Quad 2GB", TARGET_IS_ENABLED(VERDIN_IMX8MP) }, [62] = { "Colibri iMX6ULL 1GB IT", TARGET_IS_ENABLED(COLIBRI_IMX6ULL) }, [63] = { "Verdin iMX8M Plus Quad 4GB IT", TARGET_IS_ENABLED(VERDIN_IMX8MP) }, [64] = { "Verdin iMX8M Plus Quad 2GB WB IT", TARGET_IS_ENABLED(VERDIN_IMX8MP) }, [65] = { "Verdin iMX8M Plus QuadLite 1GB IT", TARGET_IS_ENABLED(VERDIN_IMX8MP) }, [66] = { "Verdin iMX8M Plus Quad 8GB WB", TARGET_IS_ENABLED(VERDIN_IMX8MP) }, [67] = { "Apalis iMX8QM 8GB WB IT", TARGET_IS_ENABLED(APALIS_IMX8) }, [68] = { "Verdin iMX8M Mini Quad 2GB WB IT", TARGET_IS_ENABLED(VERDIN_IMX8MM) }, }; 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", }; const u32 toradex_ouis[] = { [0] = 0x00142dUL, [1] = 0x8c06cbUL, }; static u32 get_serial_from_mac(struct toradex_eth_addr *eth_addr) { int i; u32 oui = ntohl(eth_addr->oui) >> 8; u32 nic = ntohl(eth_addr->nic) >> 8; for (i = 0; i < ARRAY_SIZE(toradex_ouis); i++) { if (toradex_ouis[i] == oui) break; } return (u32)((i << 24) + nic); } void get_mac_from_serial(u32 tdx_serial, struct toradex_eth_addr *eth_addr) { u8 oui_index = tdx_serial >> 24; u32 nic = tdx_serial & GENMASK(23, 0); u32 oui; if (oui_index >= ARRAY_SIZE(toradex_ouis)) { puts("Can't find OUI for this serial#\n"); oui_index = 0; } oui = toradex_ouis[oui_index]; eth_addr->oui = htonl(oui << 8); eth_addr->nic = htonl(nic << 8); } #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); tdx_serial = get_serial_from_mac(&tdx_eth_addr); 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 >= ARRAY_SIZE(toradex_modules)) tdx_hw_tag.prodid = 0; out: free(config_block); return ret; } static int parse_assembly_string(char *string_to_parse, u16 *assembly) { if (string_to_parse[3] >= 'A' && string_to_parse[3] <= 'Z') *assembly = string_to_parse[3] - 'A'; else if (string_to_parse[3] == '#') *assembly = dectoul(&string_to_parse[4], NULL); else return -EINVAL; return 0; } static int get_cfgblock_interactive(void) { char message[CONFIG_SYS_CBSIZE]; int len = 0; int ret = 0; unsigned int prodid; int i; printf("Enabled modules:\n"); for (i = 0; i < ARRAY_SIZE(toradex_modules); i++) { if (toradex_modules[i].is_enabled) printf(" %04d %s\n", i, toradex_modules[i].name); } sprintf(message, "Enter the module ID: "); len = cli_readline(message); prodid = dectoul(console_buffer, NULL); if (prodid >= ARRAY_SIZE(toradex_modules) || !toradex_modules[prodid].is_enabled) { printf("Parsing module id failed\n"); return -1; } tdx_hw_tag.prodid = prodid; len = 0; while (len < 4) { sprintf(message, "Enter the module version (e.g. V1.1B or V1.1#26): V"); len = cli_readline(message); } tdx_hw_tag.ver_major = console_buffer[0] - '0'; tdx_hw_tag.ver_minor = console_buffer[2] - '0'; ret = parse_assembly_string(console_buffer, &tdx_hw_tag.ver_assembly); if (ret) { printf("Parsing module version failed\n"); return ret; } 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; int ret = 0; printf("Supported carrier boards:\n"); printf("CARRIER BOARD NAME\t\t [ID]\n"); for (int i = 0; i < ARRAY_SIZE(toradex_carrier_boards); 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 or V1.1#26): 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'; ret = parse_assembly_string(console_buffer, &tdx_car_hw_tag.ver_assembly); if (ret) { printf("Parsing module version failed\n"); return ret; } 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) */ get_mac_from_serial(tdx_serial, &tdx_eth_addr); /* 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" );