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// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Command for accessing Arcturus factory environment.
*
* Copyright 2013-2015 Arcturus Networks Inc.
* http://www.arcturusnetworks.com/products/ucp1020/
* by Oleksandr G Zhadan et al.
*
*/
#include <common.h>
#include <div64.h>
#include <malloc.h>
#include <spi_flash.h>
#include <asm/io.h>
#ifndef CONFIG_SF_DEFAULT_SPEED
# define CONFIG_SF_DEFAULT_SPEED 1000000
#endif
#ifndef CONFIG_SF_DEFAULT_MODE
# define CONFIG_SF_DEFAULT_MODE SPI_MODE0
#endif
#ifndef CONFIG_SF_DEFAULT_CS
# define CONFIG_SF_DEFAULT_CS 0
#endif
#ifndef CONFIG_SF_DEFAULT_BUS
# define CONFIG_SF_DEFAULT_BUS 0
#endif
#define MAX_SERIAL_SIZE 15
#define MAX_HWADDR_SIZE 17
#define FIRM_ADDR1 (0x200 - sizeof(smac))
#define FIRM_ADDR2 (0x400 - sizeof(smac))
#define FIRM_ADDR3 (CONFIG_ENV_SECT_SIZE + 0x200 - sizeof(smac))
#define FIRM_ADDR4 (CONFIG_ENV_SECT_SIZE + 0x400 - sizeof(smac))
static struct spi_flash *flash;
char smac[4][18];
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;
}
static int set_arc_product(int argc, char *const argv[])
{
int err = 0;
char *mystrerr = "ERROR: Failed to save factory info in spi location";
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[3], argv[1]);
strcpy(smac[2], argv[2]);
strcpy(smac[1], argv[3]);
strcpy(smac[0], argv[4]);
flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
/*
* Save factory defaults
*/
if (spi_flash_write(flash, FIRM_ADDR1, sizeof(smac), smac)) {
printf("%s: %s [1]\n", __func__, mystrerr);
err++;
}
if (spi_flash_write(flash, FIRM_ADDR2, sizeof(smac), smac)) {
printf("%s: %s [2]\n", __func__, mystrerr);
err++;
}
if (spi_flash_write(flash, FIRM_ADDR3, sizeof(smac), smac)) {
printf("%s: %s [3]\n", __func__, mystrerr);
err++;
}
if (spi_flash_write(flash, FIRM_ADDR4, sizeof(smac), smac)) {
printf("%s: %s [4]\n", __func__, mystrerr);
err++;
}
if (err == 4) {
printf("%s: %s [ALL]\n", __func__, mystrerr);
return -2;
}
return 0;
}
int get_arc_info(void)
{
int location = 1;
char *myerr = "ERROR: Failed to read all 4 factory info spi locations";
flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
if (spi_flash_read(flash, FIRM_ADDR1, sizeof(smac), smac)) {
location++;
if (spi_flash_read(flash, FIRM_ADDR2, sizeof(smac), smac)) {
location++;
if (spi_flash_read(flash, FIRM_ADDR3, sizeof(smac),
smac)) {
location++;
if (spi_flash_read(flash, FIRM_ADDR4,
sizeof(smac), smac)) {
printf("%s: %s\n", __func__, myerr);
return -2;
}
}
}
}
if (smac[3][0] != 0) {
if (location > 1)
printf("Using region %d\n", location);
printf("SERIAL: ");
if (smac[3][0] == 0xFF) {
printf("\t<not found>\n");
} else {
printf("\t%s\n", smac[3]);
env_set("SERIAL", smac[3]);
}
}
if (strcmp(smac[2], "00:00:00:00:00:00") == 0)
return 0;
printf("HWADDR0:");
if (smac[2][0] == 0xFF) {
printf("\t<not found>\n");
} else {
char *ret = env_get("ethaddr");
if (strcmp(ret, __stringify(CONFIG_ETHADDR)) == 0) {
env_set("ethaddr", smac[2]);
printf("\t%s (factory)\n", smac[2]);
} else {
printf("\t%s\n", ret);
}
}
if (strcmp(smac[1], "00:00:00:00:00:00") == 0) {
env_set("eth1addr", smac[2]);
env_set("eth2addr", smac[2]);
return 0;
}
printf("HWADDR1:");
if (smac[1][0] == 0xFF) {
printf("\t<not found>\n");
} else {
char *ret = env_get("eth1addr");
if (strcmp(ret, __stringify(CONFIG_ETH1ADDR)) == 0) {
env_set("eth1addr", smac[1]);
printf("\t%s (factory)\n", smac[1]);
} else {
printf("\t%s\n", ret);
}
}
if (strcmp(smac[0], "00:00:00:00:00:00") == 0) {
env_set("eth2addr", smac[1]);
return 0;
}
printf("HWADDR2:");
if (smac[0][0] == 0xFF) {
printf("\t<not found>\n");
} else {
char *ret = env_get("eth2addr");
if (strcmp(ret, __stringify(CONFIG_ETH2ADDR)) == 0) {
env_set("eth2addr", smac[0]);
printf("\t%s (factory)\n", smac[0]);
} else {
printf("\t%s\n", ret);
}
}
return 0;
}
static int do_arc_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
const char *cmd;
int ret = -1;
cmd = argv[1];
--argc;
++argv;
if (strcmp(cmd, "product") == 0) {
ret = set_arc_product(argc, argv);
goto done;
}
if (strcmp(cmd, "info") == 0) {
ret = get_arc_info();
goto done;
}
done:
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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