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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>
This commit is contained in:
Florian Fainelli 2013-06-18 16:55:42 +00:00 committed by Ralf Baechle
parent d753601a2a
commit 0680dc866d
1 changed files with 10 additions and 0 deletions
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10
arch/mips/bcm63xx/nvram.c
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@ -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)