X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=target%2Flinux%2Fadm5120%2Ffiles-3.8%2Farch%2Fmips%2Fadm5120%2Fprom%2Fadmboot.c;fp=target%2Flinux%2Fadm5120%2Ffiles-3.8%2Farch%2Fmips%2Fadm5120%2Fprom%2Fadmboot.c;h=b655390c16ff5f96b9de0caf9a7806505bff5378;hp=0000000000000000000000000000000000000000;hb=b44dd7a0361eb8295166161788f0d824a265e955;hpb=e8968a9b93d9ea8600e701ac38fc6f00266876c7

diff --git a/target/linux/adm5120/files-3.8/arch/mips/adm5120/prom/admboot.c b/target/linux/adm5120/files-3.8/arch/mips/adm5120/prom/admboot.c
new file mode 100644
index 0000000000..b655390c16
--- /dev/null
+++ b/target/linux/adm5120/files-3.8/arch/mips/adm5120/prom/admboot.c
@@ -0,0 +1,55 @@
+/*
+ *  ADMBoot specific prom routines
+ *
+ *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+
+#include <asm/addrspace.h>
+#include <asm/byteorder.h>
+
+#include <asm/mach-adm5120/adm5120_defs.h>
+#include <prom/admboot.h>
+#include "prom_read.h"
+
+#define ADMBOOT_MAGIC_MAC_BASE		0x636D676D	/* 'mgmc' */
+#define ADMBOOT_MAGIC_MAC_BASE_BR6104XX 0x31305348	/* 'HS01' */
+
+int __init admboot_get_mac_base(u32 offset, u32 len, u8 *mac)
+{
+	u8 *cfg;
+	int i;
+
+	cfg = (u8 *) KSEG1ADDR(ADM5120_SRAM0_BASE + offset);
+	for (i = 0; i < len; i += 4) {
+		u32 magic;
+
+		magic = prom_read_le32(cfg + i);
+		if (magic == ADMBOOT_MAGIC_MAC_BASE) {
+			int j;
+
+			for (j = 0; j < 6; j++)
+				mac[j] = cfg[i + 4 + j];
+
+			return 0;
+		}
+		if (magic == ADMBOOT_MAGIC_MAC_BASE_BR6104XX) {
+			int j;
+
+			for (j = 0; j < 6; j++)
+				mac[j] = cfg[i + 7 + j];
+
+			return 0;
+		}
+	}
+
+	return -ENXIO;
+}