diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2011-03-17 17:32:51 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-04-08 00:44:27 -0400 |
| commit | d1f3ac9ee4dfc1a43fb7a786548bf0b6f2780695 (patch) | |
| tree | dd956df1641e070c8d73ff8924a6c95eeaf6594b /board/bf526-ezbrd | |
| parent | 03feb8ed2e128267dec2924e68c30204d9c374d0 (diff) | |
Blackfin: bf526-ezbrd: get MAC from flash
The MAC address is stored in the last flash sector rather than OTP.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'board/bf526-ezbrd')
| -rw-r--r-- | board/bf526-ezbrd/bf526-ezbrd.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/board/bf526-ezbrd/bf526-ezbrd.c b/board/bf526-ezbrd/bf526-ezbrd.c index 52d82cd87e..4695b1161a 100644 --- a/board/bf526-ezbrd/bf526-ezbrd.c +++ b/board/bf526-ezbrd/bf526-ezbrd.c @@ -27,21 +27,20 @@ int checkboard(void) #ifdef CONFIG_BFIN_MAC static void board_init_enetaddr(uchar *mac_addr) { +#ifdef CONFIG_SYS_NO_FLASH +# define USE_MAC_IN_FLASH 0 +#else +# define USE_MAC_IN_FLASH 1 +#endif bool valid_mac = false; - /* the MAC is stored in OTP memory page 0xDF */ - uint32_t ret; - uint64_t otp_mac; - - ret = bfrom_OtpRead(0xDF, OTP_LOWER_HALF, &otp_mac); - if (!(ret & OTP_MASTER_ERROR)) { - uchar *otp_mac_p = (uchar *)&otp_mac; - - for (ret = 0; ret < 6; ++ret) - mac_addr[ret] = otp_mac_p[5 - ret]; - - if (is_valid_ether_addr(mac_addr)) + if (USE_MAC_IN_FLASH) { + /* we cram the MAC in the last flash sector */ + uchar *board_mac_addr = (uchar *)0x203F0096; + if (is_valid_ether_addr(board_mac_addr)) { + memcpy(mac_addr, board_mac_addr, 6); valid_mac = true; + } } if (!valid_mac) { @@ -66,5 +65,11 @@ int misc_init_r(void) board_init_enetaddr(enetaddr); #endif +#ifndef CONFIG_SYS_NO_FLASH + /* we use the last sector for the MAC address / POST LDR */ + extern flash_info_t flash_info[]; + flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, &flash_info[0]); +#endif + return 0; } |