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Diffstat (limited to 'target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/myloader.c')
-rw-r--r--target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/myloader.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/myloader.c b/target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/myloader.c
new file mode 100644
index 0000000..5357db5
--- /dev/null
+++ b/target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/myloader.c
@@ -0,0 +1,68 @@
+/*
+ * 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/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;
+}