a9d4bdee43
Cable modem devices currently poke at some random location in RAM and may end up having an invalid MAC address which is not suitable. Provide a default one which is sane. Signed-off-by: Florian Fainelli <florian@openwrt.org> SVN-Revision: 36957
27 lines
829 B
Diff
27 lines
829 B
Diff
--- a/arch/mips/bcm63xx/nvram.c
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+++ b/arch/mips/bcm63xx/nvram.c
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@@ -52,6 +52,7 @@ void __init bcm63xx_nvram_init(void *add
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{
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unsigned int check_len;
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u32 crc, expected_crc;
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+ u8 hcs_mac_addr[ETH_ALEN] = { 0x00, 0x10, 0x18, 0xff, 0xff, 0xff };
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/* extract nvram data */
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memcpy(&nvram, addr, sizeof(nvram));
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@@ -73,6 +74,15 @@ void __init bcm63xx_nvram_init(void *add
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if (crc != expected_crc)
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pr_warn("nvram checksum failed, contents may be invalid (expected %08x, got %08x)\n",
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expected_crc, crc);
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+
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+ /* Cable modems have a different NVRAM which is embedded in the eCos
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+ * firmware and not easily extractible, give at least a MAC address
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+ * pool.
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+ */
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+ if (BCMCPU_IS_3368()) {
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+ memcpy(nvram.mac_addr_base, hcs_mac_addr, ETH_ALEN);
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+ nvram.mac_addr_count = 2;
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+ }
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}
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u8 *bcm63xx_nvram_get_name(void)
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