diff options
| author | Florian Fainelli <florian@openwrt.org> | 2013-06-18 16:55:42 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2013-07-01 15:10:54 +0200 |
| commit | 0680dc866d10806c85c40b54bbf8cf5be61206d1 (patch) | |
| tree | 9272f7ed3b0df7107a78ae06af22b4e83208673a /arch | |
| parent | d753601a2a5ff67bbc96ce6512a16305bfd293e7 (diff) | |
| download | linux-0680dc866d10806c85c40b54bbf8cf5be61206d1.tar.bz2 | |
MIPS: BCM63XX: provide a MAC address for BCM3368 chips
The BCM3368 SoC uses a NVRAM format which is not compatible with the one
used by CFE, provide a default MAC address which is suitable for use and
which is the default one also being used by the bootloader on these
chips.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: cernekee@gmail.com
Cc: jogo@openwrt.org
Patchwork: https://patchwork.linux-mips.org/patch/5498/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/bcm63xx/nvram.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/mips/bcm63xx/nvram.c b/arch/mips/bcm63xx/nvram.c index a4b8864f9307..e652e578a679 100644 --- a/arch/mips/bcm63xx/nvram.c +++ b/arch/mips/bcm63xx/nvram.c @@ -42,6 +42,7 @@ void __init bcm63xx_nvram_init(void *addr) { unsigned int check_len; u32 crc, expected_crc; + u8 hcs_mac_addr[ETH_ALEN] = { 0x00, 0x10, 0x18, 0xff, 0xff, 0xff }; /* extract nvram data */ memcpy(&nvram, addr, sizeof(nvram)); @@ -62,6 +63,15 @@ void __init bcm63xx_nvram_init(void *addr) if (crc != expected_crc) pr_warn("nvram checksum failed, contents may be invalid (expected %08x, got %08x)\n", expected_crc, crc); + + /* Cable modems have a different NVRAM which is embedded in the eCos + * firmware and not easily extractible, give at least a MAC address + * pool. + */ + if (BCMCPU_IS_3368()) { + memcpy(nvram.mac_addr_base, hcs_mac_addr, ETH_ALEN); + nvram.mac_addr_count = 2; + } } u8 *bcm63xx_nvram_get_name(void) |