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authorLiu Hui-R64343 <r64343@freescale.com>2010-11-18 23:45:55 +0000
committerStefano Babic <sbabic@denx.de>2010-11-21 18:24:20 +0100
commit565e39c57769a45a5eaed5e4c86357e817cf64e1 (patch)
tree25d23788174cf199097d47052d3ae50b01b872aa /arch/arm/cpu/arm926ejs/mx27
parenta676cca41d52a89d9e3841170880e1234ec45606 (diff)
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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>
Diffstat (limited to 'arch/arm/cpu/arm926ejs/mx27')
-rw-r--r--arch/arm/cpu/arm926ejs/mx27/generic.c12
1 files changed, 12 insertions, 0 deletions
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 @@ 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