arm: mx6: cm_fx6: use eeprom
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>
diff --git a/board/compulab/cm_fx6/cm_fx6.c b/board/compulab/cm_fx6/cm_fx6.c
index d21c561..1664fe8 100644
--- a/board/compulab/cm_fx6/cm_fx6.c
+++ b/board/compulab/cm_fx6/cm_fx6.c
@@ -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 @@
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 @@
return 0;
}
+
+u32 get_board_rev(void)
+{
+ return cl_eeprom_get_board_rev();
+}
+
diff --git a/include/configs/cm_fx6.h b/include/configs/cm_fx6.h
index e70259e..cccc989 100644
--- a/include/configs/cm_fx6.h
+++ b/include/configs/cm_fx6.h
@@ -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