diff options
Diffstat (limited to 'roms/u-boot/board/toradex/common/tdx-cfg-block.c')
| -rw-r--r-- | roms/u-boot/board/toradex/common/tdx-cfg-block.c | 1011 |
1 files changed, 1011 insertions, 0 deletions
diff --git a/roms/u-boot/board/toradex/common/tdx-cfg-block.c b/roms/u-boot/board/toradex/common/tdx-cfg-block.c new file mode 100644 index 000000000..93eb20cf6 --- /dev/null +++ b/roms/u-boot/board/toradex/common/tdx-cfg-block.c @@ -0,0 +1,1011 @@ +// 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 = simple_strtoul(console_buffer, NULL, 10); + + 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 = simple_strtoul(revision, NULL, 10); + + barcode[4] = '\0'; + tag->prodid = simple_strtoul(barcode, NULL, 10); + + /* Parse second part of the barcode (serial number */ + barcode += 8; + *serial = simple_strtoul(barcode, NULL, 10); + + 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 = simple_strtoul(pid8, NULL, 10); + + /* 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 = simple_strtoul(console_buffer, NULL, 10); + + 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 = simple_strtoul(console_buffer, NULL, 10); + + 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" +); |