u-boot/board/k+p/kp_imx53/kp_id_rev.c
Simon Glass e7dcf5645f env: Drop environment.h header file where not needed
This header file is now only used by files that access internal
environment features. Drop it from various places where it is not needed.

Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
2019-08-11 16:43:41 -04:00

120 lines
2.5 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018
* Lukasz Majewski, DENX Software Engineering, lukma@denx.de
*
* Based on code developed by:
*
* Copyright (C) 2012 TQ-Systems GmbH
* Daniel Gericke <daniel.gericke@tqs.de>
*/
#include <common.h>
#include <env.h>
#include <i2c.h>
#include "kp_id_rev.h"
static int eeprom_has_been_read;
static struct id_eeprom eeprom;
void show_eeprom(void)
{
char safe_string[33];
int i;
u8 *p;
puts("Module EEPROM:\n");
/* ID */
for (i = 0; i <= sizeof(eeprom.id) && 0xff != eeprom.id[i]; ++i)
safe_string[i] = eeprom.id[i];
safe_string[i] = '\0';
if (!strncmp(safe_string, "TQM", 3)) {
printf(" ID: %s\n", safe_string);
env_set("boardtype", safe_string);
} else {
puts(" unknown hardware variant\n");
}
/* Serial number */
for (i = 0; (sizeof(eeprom.serial) >= i) &&
(eeprom.serial[i] >= 0x30) &&
(eeprom.serial[i] <= 0x39); ++i)
safe_string[i] = eeprom.serial[i];
safe_string[i] = '\0';
if (strlen(safe_string) == 8) {
printf(" SN: %s\n", safe_string);
env_set("serial#", safe_string);
} else {
puts(" unknown serial number\n");
}
/* MAC address */
p = eeprom.mac;
if (!is_valid_ethaddr(p)) {
printf(" Not valid ETH EEPROM addr!\n");
return;
}
printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n",
p[0], p[1], p[2], p[3], p[4], p[5]);
eth_env_set_enetaddr("ethaddr", p);
}
int read_eeprom(void)
{
struct udevice *dev;
int ret;
if (eeprom_has_been_read)
return 0;
ret = i2c_get_chip_for_busnum(CONFIG_SYS_EEPROM_BUS_NUM,
CONFIG_SYS_I2C_EEPROM_ADDR,
CONFIG_SYS_I2C_EEPROM_ADDR_LEN, &dev);
if (ret) {
printf("Cannot find EEPROM !\n");
return ret;
}
ret = dm_i2c_read(dev, 0x0, (uchar *)&eeprom, sizeof(eeprom));
eeprom_has_been_read = (ret == 0) ? 1 : 0;
return ret;
}
int read_board_id(void)
{
unsigned char rev_id = 0x42;
char rev_str[32], buf[8];
struct udevice *dev;
int ret;
ret = i2c_get_chip_for_busnum(2, 0x22, 1, &dev);
if (ret) {
printf("Cannot find pcf8574 IO expander !\n");
return ret;
}
dm_i2c_read(dev, 0x0, &rev_id, sizeof(rev_id));
sprintf(rev_str, "%02X", rev_id);
if (rev_id & 0x80) {
printf("BBoard:4x00 Rev:%s\n", rev_str);
env_set("boardtype", "ddc");
env_set("fit_config", "imx53_kb_conf");
} else {
printf("BBoard:40x0 Rev:%s\n", rev_str);
env_set("boardtype", "hsc");
env_set("fit_config", "imx53_kb_40x0_conf");
}
sprintf(buf, "kp-%s", env_get("boardtype"));
env_set("boardname", buf);
env_set("boardsoc", "imx53");
env_set("kb53_rev", rev_str);
return 0;
}