imx8ulp: Update ethernet mac to get from fuse

Get the MAC address from fuse bank5 word 3 and 4. It has
MSB first at lowest address, so have a reverse order with other
iMX used in mac.c

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c
index e12e28d9e7b1e1b3ef2a48344df70df50d6aa15e..943ea7fb7ef9adba4e6bbd7e1582feb704b5428e 100644 (file)
--- a/arch/arm/mach-imx/imx8ulp/soc.c
+++ b/arch/arm/mach-imx/imx8ulp/soc.c
@@ -588,7 +588,30 @@ __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
 
 void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
 {
+       u32 val[2] = {};
+       int ret;
+
+       ret = fuse_read(5, 3, &val[0]);
+       if (ret)
+               goto err;
+
+       ret = fuse_read(5, 4, &val[1]);
+       if (ret)
+               goto err;
+
+       mac[0] = val[0];
+       mac[1] = val[0] >> 8;
+       mac[2] = val[0] >> 16;
+       mac[3] = val[0] >> 24;
+       mac[4] = val[1];
+       mac[5] = val[1] >> 8;
+
+       debug("%s: MAC%d: %02x.%02x.%02x.%02x.%02x.%02x\n",
+             __func__, dev_id, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+       return;
+err:
        memset(mac, 0, 6);
+       printf("%s: fuse read err: %d\n", __func__, ret);
 }
 
 int (*card_emmc_is_boot_part_en)(void) = (void *)0x67cc;