imx: Get fec mac address from fuse
The patch is to support getting FEC MAC address from fuse bank.
Signed-off-by: Jason Liu <r64343@freescale.com>
Tested-by: Stefano Babic <sbabic@denx.de>
diff --git a/arch/arm/cpu/arm926ejs/mx25/generic.c b/arch/arm/cpu/arm926ejs/mx25/generic.c
index b80a389..c6e1146 100644
--- a/arch/arm/cpu/arm926ejs/mx25/generic.c
+++ b/arch/arm/cpu/arm926ejs/mx25/generic.c
@@ -260,4 +260,16 @@
writel (outpadctl, &padctl->pad_fec_tdata1);
}
+
+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[i] = readl(&fuse->mac_addr[i]) & 0xff;
+}
#endif /* CONFIG_FEC_MXC */
diff --git a/arch/arm/cpu/arm926ejs/mx27/generic.c b/arch/arm/cpu/arm926ejs/mx27/generic.c
index ae2ce58..27642bf 100644
--- a/arch/arm/cpu/arm926ejs/mx27/generic.c
+++ b/arch/arm/cpu/arm926ejs/mx27/generic.c
@@ -313,6 +313,18 @@
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