X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/7bab42f05f60806bf4b7ba63688d96b68142c80b..b06573b702b0adb42ce4c798f2915a280c17eeed:/target/linux/adm5120/files/arch/mips/adm5120/prom/myloader.c

diff --git a/target/linux/adm5120/files/arch/mips/adm5120/prom/myloader.c b/target/linux/adm5120/files/arch/mips/adm5120/prom/myloader.c
new file mode 100644
index 000000000..939422681
--- /dev/null
+++ b/target/linux/adm5120/files/arch/mips/adm5120/prom/myloader.c
@@ -0,0 +1,69 @@
+/*
+ *  Compex's MyLoader specific prom routines
+ *
+ *  Copyright (C) 2007-2008 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/autoconf.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/string.h>
+
+#include <asm/bootinfo.h>
+#include <asm/addrspace.h>
+#include <asm/byteorder.h>
+
+#include <asm/mach-adm5120/adm5120_defs.h>
+#include <prom/myloader.h>
+#include "prom_read.h"
+
+#define SYS_PARAMS_ADDR		KSEG1ADDR(ADM5120_SRAM0_BASE+0x0F000)
+#define BOARD_PARAMS_ADDR	KSEG1ADDR(ADM5120_SRAM0_BASE+0x0F800)
+#define PART_TABLE_ADDR		KSEG1ADDR(ADM5120_SRAM0_BASE+0x10000)
+
+static int myloader_found;
+
+struct myloader_info myloader_info;
+
+int __init myloader_present(void)
+{
+	struct mylo_system_params *sysp;
+	struct mylo_board_params *boardp;
+	struct mylo_partition_table *parts;
+	int i;
+
+	if (myloader_found)
+		goto out;
+
+	sysp = (struct mylo_system_params *)(SYS_PARAMS_ADDR);
+	boardp = (struct mylo_board_params *)(BOARD_PARAMS_ADDR);
+	parts = (struct mylo_partition_table *)(PART_TABLE_ADDR);
+
+	/* Check for some magic numbers */
+	if ((le32_to_cpu(sysp->magic) != MYLO_MAGIC_SYS_PARAMS) ||
+	   (le32_to_cpu(boardp->magic) != MYLO_MAGIC_BOARD_PARAMS) ||
+	   (le32_to_cpu(parts->magic) != MYLO_MAGIC_PARTITIONS))
+		goto out;
+
+	myloader_info.vid = le32_to_cpu(sysp->vid);
+	myloader_info.did = le32_to_cpu(sysp->did);
+	myloader_info.svid = le32_to_cpu(sysp->svid);
+	myloader_info.sdid = le32_to_cpu(sysp->sdid);
+
+	for (i = 0; i < MYLO_ETHADDR_COUNT; i++) {
+		int j;
+		for (j = 0; j < 6; j++)
+			myloader_info.macs[i][j] = boardp->addr[i].mac[j];
+	}
+
+	myloader_found = 1;
+
+out:
+	return myloader_found;
+}