board: amlogic: vim3: read ethernet MAC address from efuse
Add the board specific code for reading built-in ethernet MAC address
from efuse.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Tested-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/board/amlogic/vim3/vim3.c b/board/amlogic/vim3/vim3.c
index 09ef39f..a36df61 100644
--- a/board/amlogic/vim3/vim3.c
+++ b/board/amlogic/vim3/vim3.c
@@ -11,6 +11,7 @@
#include <net.h>
#include <asm/io.h>
#include <asm/arch/eth.h>
+#include <asm/arch/sm.h>
#include <i2c.h>
#include "khadas-mcu.h"
@@ -129,9 +130,27 @@
return 0;
}
+#define EFUSE_MAC_OFFSET 0
+#define EFUSE_MAC_SIZE 6
+
int misc_init_r(void)
{
+ uint8_t mac_addr[EFUSE_MAC_SIZE];
+ ssize_t len;
+
meson_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
+ if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
+ len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
+ mac_addr, EFUSE_MAC_SIZE);
+ if (len != EFUSE_MAC_SIZE)
+ return 0;
+
+ if (is_valid_ethaddr(mac_addr))
+ eth_env_set_enetaddr("ethaddr", mac_addr);
+ else
+ meson_generate_serial_ethaddr();
+ }
+
return 0;
}