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arm: mx6: cm_fx6: use eeprom

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Use Compulab eeprom module to obtain revision number, serial number, and
mac address from the EEPROM.

Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tom Rini <trini@ti.com>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
This commit is contained in:
Nikita Kiryanov 2014-08-20 15:09:05 +03:00 committed by Stefano Babic
parent f42b2f6061
commit f66113c0ef
2 changed files with 32 additions and 0 deletions
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30
board/compulab/cm_fx6/cm_fx6.c
View File

@ -20,6 +20,7 @@
#include <asm/io.h>
#include <asm/gpio.h>
#include "common.h"
#include "../common/eeprom.h"
DECLARE_GLOBAL_DATA_PTR;
@ -209,8 +210,31 @@ static iomux_v3_cfg_t const enet_pads[] = {
MUX_PAD_CTRL(ENET_PAD_CTRL)),
};
static int handle_mac_address(void)
{
unsigned char enetaddr[6];
int rc;
rc = eth_getenv_enetaddr("ethaddr", enetaddr);
if (rc)
return 0;
rc = cl_eeprom_read_mac_addr(enetaddr);
if (rc)
return rc;
if (!is_valid_ether_addr(enetaddr))
return -1;
return eth_setenv_enetaddr("ethaddr", enetaddr);
}
int board_eth_init(bd_t *bis)
{
int res = handle_mac_address();
if (res)
puts("No MAC address found\n");
SETUP_IOMUX_PADS(enet_pads);
/* phy reset */
gpio_direction_output(CM_FX6_ENET_NRST, 0);
@ -364,3 +388,9 @@ int dram_init(void)
return 0;
}
u32 get_board_rev(void)
{
return cl_eeprom_get_board_rev();
}

2
include/configs/cm_fx6.h
View File

@ -232,6 +232,8 @@
#define CONFIG_SYS_BOOTMAPSZ (8 << 20)
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_REVISION_TAG
#define CONFIG_SERIAL_TAG
/* misc */
#define CONFIG_SYS_GENERIC_BOARD