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- // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
- /*
- * Command for accessing Arcturus factory environment.
- *
- * Copyright 2013-2019 Arcturus Networks Inc.
- * https://www.arcturusnetworks.com/products/
- * by Oleksandr G Zhadan et al.
- *
- */
- #include <common.h>
- #include <command.h>
- #include <cpu_func.h>
- #include <div64.h>
- #include <env.h>
- #include <flash.h>
- #include <malloc.h>
- #include <spi_flash.h>
- #include <mmc.h>
- #include <version.h>
- #include <asm/io.h>
- static ulong fwenv_addr[MAX_FWENV_ADDR];
- const char mystrerr[] = "ERROR: Failed to save factory info";
- static int ishwaddr(char *hwaddr)
- {
- if (strlen(hwaddr) == MAX_HWADDR_SIZE)
- if (hwaddr[2] == ':' &&
- hwaddr[5] == ':' &&
- hwaddr[8] == ':' &&
- hwaddr[11] == ':' &&
- hwaddr[14] == ':')
- return 0;
- return -1;
- }
- #if (FWENV_TYPE == FWENV_MMC)
- static char smac[29][18] __attribute__ ((aligned(0x200))); /* 1 MMC block is 512 bytes */
- int set_mmc_arc_product(int argc, char *const argv[])
- {
- struct mmc *mmc;
- u32 blk, cnt, n;
- int i, err = 1;
- void *addr;
- const u8 mmc_dev_num = CONFIG_SYS_MMC_ENV_DEV;
- mmc = find_mmc_device(mmc_dev_num);
- if (!mmc) {
- printf("No SD/MMC/eMMC card found\n");
- return 0;
- }
- if (mmc_init(mmc)) {
- printf("%s(%d) init failed\n", IS_SD(mmc) ? "SD" : "MMC",
- mmc_dev_num);
- return 0;
- }
- if (mmc_getwp(mmc) == 1) {
- printf("Error: card is write protected!\n");
- return CMD_RET_FAILURE;
- }
- /* Save factory defaults */
- addr = (void *)smac;
- cnt = 1; /* One 512 bytes block */
- for (i = 0; i < MAX_FWENV_ADDR; i++)
- if (fwenv_addr[i] != -1) {
- blk = fwenv_addr[i] / 512;
- n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr);
- if (n != cnt)
- printf("%s: %s [%d]\n", __func__, mystrerr, i);
- else
- err = 0;
- }
- if (err)
- return -2;
- return err;
- }
- static int read_mmc_arc_info(void)
- {
- struct mmc *mmc;
- u32 blk, cnt, n;
- int i;
- void *addr;
- const u8 mmc_dev_num = CONFIG_SYS_MMC_ENV_DEV;
- mmc = find_mmc_device(mmc_dev_num);
- if (!mmc) {
- printf("No SD/MMC/eMMC card found\n");
- return 0;
- }
- if (mmc_init(mmc)) {
- printf("%s(%d) init failed\n", IS_SD(mmc) ? "SD" : "MMC",
- mmc_dev_num);
- return 0;
- }
- addr = (void *)smac;
- cnt = 1; /* One 512 bytes block */
- for (i = 0; i < MAX_FWENV_ADDR; i++)
- if (fwenv_addr[i] != -1) {
- blk = fwenv_addr[i] / 512;
- n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr);
- flush_cache((ulong) addr, 512);
- if (n == cnt)
- return (i + 1);
- }
- return 0;
- }
- #endif
- #if (FWENV_TYPE == FWENV_SPI_FLASH)
- static struct spi_flash *flash;
- static char smac[4][18];
- int set_spi_arc_product(int argc, char *const argv[])
- {
- int i, err = 1;
- flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
- CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
- if (!flash) {
- printf("Failed to initialize SPI flash at %u:%u\n",
- CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS);
- return -1;
- }
- /* Save factory defaults */
- for (i = 0; i < MAX_FWENV_ADDR; i++)
- if (fwenv_addr[i] != -1)
- if (spi_flash_write
- (flash, fwenv_addr[i], sizeof(smac), smac))
- printf("%s: %s [%d]\n", __func__, mystrerr, i);
- else
- err = 0;
- if (err)
- return -2;
- return err;
- }
- static int read_spi_arc_info(void)
- {
- int i;
- flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
- CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
- if (!flash) {
- printf("Failed to initialize SPI flash at %u:%u\n",
- CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS);
- return 0;
- }
- for (i = 0; i < MAX_FWENV_ADDR; i++)
- if (fwenv_addr[i] != -1)
- if (!spi_flash_read
- (flash, fwenv_addr[i], sizeof(smac), smac))
- return (i + 1);
- return 0;
- }
- #endif
- #if (FWENV_TYPE == FWENV_NOR_FLASH)
- static char smac[4][18];
- int set_nor_arc_product(int argc, char *const argv[])
- {
- int i, err = 1;
- /* Save factory defaults */
- for (i = 0; i < MAX_FWENV_ADDR; i++)
- if (fwenv_addr[i] != -1) {
- ulong fwenv_end = fwenv_addr[i] + 4;
- flash_sect_roundb(&fwenv_end);
- flash_sect_protect(0, fwenv_addr[i], fwenv_end);
- if (flash_write
- ((char *)smac, fwenv_addr[i], sizeof(smac)))
- printf("%s: %s [%d]\n", __func__, mystrerr, i);
- else
- err = 0;
- flash_sect_protect(1, fwenv_addr[i], fwenv_end);
- }
- if (err)
- return -2;
- return err;
- }
- static int read_nor_arc_info(void)
- {
- int i;
- for (i = 0; i < MAX_FWENV_ADDR; i++)
- if (fwenv_addr[i] != -1) {
- memcpy(smac, (void *)fwenv_addr[i], sizeof(smac));
- return (i + 1);
- }
- return 0;
- }
- #endif
- int set_arc_product(int argc, char *const argv[])
- {
- if (argc != 5)
- return -1;
- /* Check serial number */
- if (strlen(argv[1]) != MAX_SERIAL_SIZE)
- return -1;
- /* Check HWaddrs */
- if (ishwaddr(argv[2]) || ishwaddr(argv[3]) || ishwaddr(argv[4]))
- return -1;
- strcpy(smac[0], argv[1]);
- strcpy(smac[1], argv[2]);
- strcpy(smac[2], argv[3]);
- strcpy(smac[3], argv[4]);
- #if (FWENV_TYPE == FWENV_NOR_FLASH)
- return set_nor_arc_product(argc, argv);
- #endif
- #if (FWENV_TYPE == FWENV_SPI_FLASH)
- return set_spi_arc_product(argc, argv);
- #endif
- #if (FWENV_TYPE == FWENV_MMC)
- return set_mmc_arc_product(argc, argv);
- #endif
- return -2;
- }
- static int read_arc_info(void)
- {
- #if (FWENV_TYPE == FWENV_NOR_FLASH)
- return read_nor_arc_info();
- #endif
- #if (FWENV_TYPE == FWENV_SPI_FLASH)
- return read_spi_arc_info();
- #endif
- #if (FWENV_TYPE == FWENV_MMC)
- return read_mmc_arc_info();
- #endif
- return 0;
- }
- static int do_get_arc_info(void)
- {
- int l = read_arc_info();
- char *oldserial = env_get("SERIAL");
- char *oldversion = env_get("VERSION");
- if (oldversion != NULL)
- if (strcmp(oldversion, U_BOOT_VERSION) != 0)
- oldversion = NULL;
- if (l == 0) {
- printf("%s: failed to read factory info\n", __func__);
- return -2;
- }
- printf("\rSERIAL: ");
- if (smac[0][0] == EMPY_CHAR) {
- printf("<not found>\n");
- } else {
- printf("%s\n", smac[0]);
- env_set("SERIAL", smac[0]);
- }
- if (strcmp(smac[1], "00:00:00:00:00:00") == 0) {
- env_set("ethaddr", NULL);
- env_set("eth1addr", NULL);
- env_set("eth2addr", NULL);
- goto done;
- }
- printf("HWADDR0: ");
- if (smac[1][0] == EMPY_CHAR) {
- printf("<not found>\n");
- } else {
- char *ret = env_get("ethaddr");
- if (ret == NULL) {
- env_set("ethaddr", smac[1]);
- printf("%s\n", smac[1]);
- } else if (strcmp(ret, __stringify(CONFIG_ETHADDR)) == 0) {
- env_set("ethaddr", smac[1]);
- printf("%s (factory)\n", smac[1]);
- } else {
- printf("%s\n", ret);
- }
- }
- if (strcmp(smac[2], "00:00:00:00:00:00") == 0) {
- env_set("eth1addr", NULL);
- env_set("eth2addr", NULL);
- goto done;
- }
- printf("HWADDR1: ");
- if (smac[2][0] == EMPY_CHAR) {
- printf("<not found>\n");
- } else {
- char *ret = env_get("eth1addr");
- if (ret == NULL) {
- env_set("ethaddr", smac[2]);
- printf("%s\n", smac[2]);
- } else if (strcmp(ret, __stringify(CONFIG_ETH1ADDR)) == 0) {
- env_set("eth1addr", smac[2]);
- printf("%s (factory)\n", smac[2]);
- } else {
- printf("%s\n", ret);
- }
- }
- if (strcmp(smac[3], "00:00:00:00:00:00") == 0) {
- env_set("eth2addr", NULL);
- goto done;
- }
- printf("HWADDR2: ");
- if (smac[3][0] == EMPY_CHAR) {
- printf("<not found>\n");
- } else {
- char *ret = env_get("eth2addr");
- if (ret == NULL) {
- env_set("ethaddr", smac[3]);
- printf("%s\n", smac[3]);
- } else if (strcmp(ret, __stringify(CONFIG_ETH2ADDR)) == 0) {
- env_set("eth2addr", smac[3]);
- printf("%s (factory)\n", smac[3]);
- } else {
- printf("%s\n", ret);
- }
- }
- done:
- if (oldserial == NULL || oldversion == NULL) {
- if (oldversion == NULL)
- env_set("VERSION", U_BOOT_VERSION);
- env_save();
- }
- return 0;
- }
- static int init_fwenv(void)
- {
- int i, ret = -1;
- fwenv_addr[0] = FWENV_ADDR1;
- fwenv_addr[1] = FWENV_ADDR2;
- fwenv_addr[2] = FWENV_ADDR3;
- fwenv_addr[3] = FWENV_ADDR4;
- for (i = 0; i < MAX_FWENV_ADDR; i++)
- if (fwenv_addr[i] != -1)
- ret = 0;
- if (ret)
- printf("%s: No firmfare info storage address is defined\n",
- __func__);
- return ret;
- }
- void get_arc_info(void)
- {
- if (!init_fwenv())
- do_get_arc_info();
- }
- static int do_arc_cmd(struct cmd_tbl *cmdtp, int flag, int argc,
- char *const argv[])
- {
- const char *cmd;
- int ret = -1;
- cmd = argv[1];
- --argc;
- ++argv;
- if (init_fwenv())
- return ret;
- if (strcmp(cmd, "product") == 0)
- ret = set_arc_product(argc, argv);
- else if (strcmp(cmd, "info") == 0)
- ret = do_get_arc_info();
- if (ret == -1)
- return CMD_RET_USAGE;
- return ret;
- }
- U_BOOT_CMD(arc, 6, 1, do_arc_cmd,
- "Arcturus product command sub-system",
- "product serial hwaddr0 hwaddr1 hwaddr2 - save Arcturus factory env\n"
- "info - show Arcturus factory env\n\n");
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