diff options
author | Mike Frysinger <vapier.adi@gmail.com> | 2008-02-24 22:42:17 -0500 |
---|---|---|
committer | Bryan Wu <cooloney@kernel.org> | 2008-02-24 22:42:17 -0500 |
commit | 181afa94989f431e93eccd784c14c37ccb395a00 (patch) | |
tree | 490f25b823d6e607c8275c0fb7d66a6c2aaa4b78 /arch | |
parent | 549aaa8425b4a1de23cbddc650dac75b91204af6 (diff) |
[Blackfin] arch: grab mac address from OTP on BF527-EZKIT
The bf527-ezkit stores the mac address in OTP,
so grab it from there rather than flash
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/blackfin/mach-bf527/boards/ezkit.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c index 770056b0e68b..ab7a21faaa71 100644 --- a/arch/blackfin/mach-bf527/boards/ezkit.c +++ b/arch/blackfin/mach-bf527/boards/ezkit.c | |||
@@ -936,13 +936,18 @@ void native_machine_restart(char *cmd) | |||
936 | bfin_gpio_reset_spi0_ssel1(); | 936 | bfin_gpio_reset_spi0_ssel1(); |
937 | } | 937 | } |
938 | 938 | ||
939 | /* | ||
940 | * Currently the MAC address is saved in Flash by U-Boot | ||
941 | */ | ||
942 | #define FLASH_MAC 0x203f0000 | ||
943 | void bfin_get_ether_addr(char *addr) | 939 | void bfin_get_ether_addr(char *addr) |
944 | { | 940 | { |
945 | *(u32 *)(&(addr[0])) = bfin_read32(FLASH_MAC); | 941 | /* the MAC is stored in OTP memory page 0xDF */ |
946 | *(u16 *)(&(addr[4])) = bfin_read16(FLASH_MAC + 4); | 942 | u32 ret; |
943 | u64 otp_mac; | ||
944 | u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A; | ||
945 | |||
946 | ret = otp_read(0xDF, 0x00, &otp_mac); | ||
947 | if (!(ret & 0x1)) { | ||
948 | char *otp_mac_p = (char *)&otp_mac; | ||
949 | for (ret = 0; ret < 6; ++ret) | ||
950 | addr[ret] = otp_mac_p[5 - ret]; | ||
951 | } | ||
947 | } | 952 | } |
948 | EXPORT_SYMBOL(bfin_get_ether_addr); | 953 | EXPORT_SYMBOL(bfin_get_ether_addr); |