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authorFrederic Weisbecker2009-10-18 01:09:09 +0200
committerFrederic Weisbecker2009-10-18 01:12:33 +0200
commit0f8f86c7bdd1c954fbe153af437a0d91a6c5721a (patch)
tree94a8d419a470a4f9852ca397bb9bbe48db92ff5c /arch/frv/mb93090-mb00/flash.c
parentMerge branch 'linus' into tracing/hw-breakpoints (diff)
parentperf tools: Move dereference after NULL test (diff)
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Merge commit 'perf/core' into perf/hw-breakpoint
Conflicts: kernel/Makefile kernel/trace/Makefile kernel/trace/trace.h samples/Makefile Merge reason: We need to be uptodate with the perf events development branch because we plan to rewrite the breakpoints API on top of perf events.
Diffstat (limited to 'arch/frv/mb93090-mb00/flash.c')
-rw-r--r--arch/frv/mb93090-mb00/flash.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/frv/mb93090-mb00/flash.c b/arch/frv/mb93090-mb00/flash.c
new file mode 100644
index 000000000000..c0e3707c2299
--- /dev/null
+++ b/arch/frv/mb93090-mb00/flash.c
@@ -0,0 +1,90 @@
+/* Flash mappings for the MB93090-MB00 motherboard
+ *
+ * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+
+#define MB93090_BOOTROM_ADDR 0xFF000000 /* Boot ROM */
+#define MB93090_BOOTROM_SIZE (2 * 1024 * 1024)
+#define MB93090_USERROM_ADDR 0xFF200000 /* User ROM */
+#define MB93090_USERROM_SIZE (2 * 1024 * 1024)
+
+/*
+ * default MTD partition table for both main flash devices, expected to be
+ * overridden by RedBoot
+ */
+static struct mtd_partition mb93090_partitions[] = {
+ {
+ .name = "Filesystem",
+ .size = MTDPART_SIZ_FULL,
+ .offset = 0,
+ }
+};
+
+/*
+ * Definition of the MB93090 Boot ROM (on the CPU card)
+ */
+static struct physmap_flash_data mb93090_bootrom_data = {
+ .width = 2,
+ .nr_parts = 2,
+ .parts = mb93090_partitions,
+};
+
+static struct resource mb93090_bootrom_resource = {
+ .start = MB93090_BOOTROM_ADDR,
+ .end = MB93090_BOOTROM_ADDR + MB93090_BOOTROM_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device mb93090_bootrom = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev.platform_data = &mb93090_bootrom_data,
+ .num_resources = 1,
+ .resource = &mb93090_bootrom_resource,
+};
+
+/*
+ * Definition of the MB93090 User ROM definition (on the motherboard)
+ */
+static struct physmap_flash_data mb93090_userrom_data = {
+ .width = 2,
+ .nr_parts = 2,
+ .parts = mb93090_partitions,
+};
+
+static struct resource mb93090_userrom_resource = {
+ .start = MB93090_USERROM_ADDR,
+ .end = MB93090_USERROM_ADDR + MB93090_USERROM_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device mb93090_userrom = {
+ .name = "physmap-flash",
+ .id = 1,
+ .dev.platform_data = &mb93090_userrom_data,
+ .num_resources = 1,
+ .resource = &mb93090_userrom_resource,
+};
+
+/*
+ * register the MB93090 flashes
+ */
+static int __init mb93090_mtd_init(void)
+{
+ platform_device_register(&mb93090_bootrom);
+ platform_device_register(&mb93090_userrom);
+ return 0;
+}
+
+module_init(mb93090_mtd_init);