mirror of https://github.com/hak5/openwrt.git
47 lines
1.6 KiB
Diff
47 lines
1.6 KiB
Diff
From 404fdc457082772ff52e22988e09e82c0d6e8780 Mon Sep 17 00:00:00 2001
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From: Florian Fainelli <florian@openwrt.org>
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Date: Tue, 18 Jun 2013 16:55:42 +0000
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Subject: [PATCH 4/6] MIPS: BCM63XX: provide a MAC address for BCM3368 chips
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The BCM3368 SoC uses a NVRAM format which is not compatible with the one
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used by CFE, provide a default MAC address which is suitable for use and
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which is the default one also being used by the bootloader on these
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chips.
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Signed-off-by: Florian Fainelli <florian@openwrt.org>
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Cc: linux-mips@linux-mips.org
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Cc: cernekee@gmail.com
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Cc: jogo@openwrt.org
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Patchwork: https://patchwork.linux-mips.org/patch/5498/
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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---
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arch/mips/bcm63xx/nvram.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/arch/mips/bcm63xx/nvram.c
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+++ b/arch/mips/bcm63xx/nvram.c
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@@ -45,6 +45,7 @@ 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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@@ -65,6 +66,15 @@ 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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