diff options
| author | Frank Li <frank.li@freescale.com> | 2010-07-30 12:57:07 +0800 |
|---|---|---|
| committer | Frank Li <frank.li@freescale.com> | 2010-07-30 12:59:27 +0800 |
| commit | 9fb5acfda21d655864072d0bf8fbf8602bda543a (patch) | |
| tree | dc18f4793777648bfe92c701e6424c26360ecab5 /board | |
| parent | 1c93b155346d863cec674e92c82eb5e1a590779a (diff) | |
ENGR00125735 iMX28 read mac address from fuse
Read mac address from fuse
Signed-off-by: Frank Li <frank.li@freescale.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mx28_evk/mx28_evk.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/board/freescale/mx28_evk/mx28_evk.c b/board/freescale/mx28_evk/mx28_evk.c index 714cb6764..814c5b08a 100644 --- a/board/freescale/mx28_evk/mx28_evk.c +++ b/board/freescale/mx28_evk/mx28_evk.c @@ -24,6 +24,8 @@ #include <asm/arch/regs-pinctrl.h> #include <asm/arch/pinctrl.h> #include <asm/arch/regs-clkctrl.h> +#include <asm/arch/regs-ocotp.h> + #include <mmc.h> #include <imx_ssp_mmc.h> @@ -206,6 +208,32 @@ int board_mmc_init(bd_t *bis) #endif +#ifdef CONFIG_MXC_FEC +#ifdef CONFIG_GET_FEC_MAC_ADDR_FROM_IIM +int fec_get_mac_addr(unsigned char *mac) +{ + u32 val; + + /*set this bit to open the OTP banks for reading*/ + REG_WR(REGS_OCOTP_BASE, HW_OCOTP_CTRL_SET, + BM_OCOTP_CTRL_RD_BANK_OPEN); + + /*wait until OTP contents are readable*/ + while (BM_OCOTP_CTRL_BUSY & REG_RD(REGS_OCOTP_BASE, HW_OCOTP_CTRL)) + udelay(100); + + mac[0] = 0x00; + mac[1] = 0x04; + val = REG_RD(REGS_OCOTP_BASE, HW_OCOTP_CUSTn(0)); + mac[2] = (val >> 24) & 0xFF; + mac[3] = (val >> 16) & 0xFF; + mac[4] = (val >> 8) & 0xFF; + mac[5] = (val >> 0) & 0xFF; + return 0; +} +#endif +#endif + void enet_board_init(void) { /* Set up ENET pins */ |