imx: Get fec mac address from fuse

[u-boot] / arch / arm / cpu / arm926ejs / mx27 / generic.c

diff --git a/arch/arm/cpu/arm926ejs/mx27/generic.c b/arch/arm/cpu/arm926ejs/mx27/generic.c
index ae2ce5841c73bc12fafd971252fd12ab2c8375b2..27642bfe7dba8a804d21bbbc555c7751d9bb366b 100644 (file)
--- a/arch/arm/cpu/arm926ejs/mx27/generic.c
+++ b/arch/arm/cpu/arm926ejs/mx27/generic.c
@@ -313,6 +313,18 @@ void mx27_fec_init_pins(void)
        for (i = 0; i < ARRAY_SIZE(mode); i++)
                imx_gpio_mode(mode[i]);
 }
+
+void imx_get_mac_from_fuse(unsigned char *mac)
+{
+       int i;
+       struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
+       struct fuse_bank *bank = &iim->bank[0];
+       struct fuse_bank0_regs *fuse =
+                       (struct fuse_bank0_regs *)bank->fuse_regs;
+
+       for (i = 0; i < 6; i++)
+               mac[6 - 1 - i] = readl(&fuse->mac_addr[i]) & 0xff;
+}
 #endif /* CONFIG_FEC_MXC */
 
 #ifdef CONFIG_MXC_MMC