Add an MTD map for the flash on the mpc8560ads board.
Signed-off-by: Greg Weeks <greg.weeks at timesys.com>
--- /dev/null
+++ ppc-mpc8560ads/drivers/mtd/maps/mpc85xxads.c
@@ -0,0 +1,104 @@
+/*
+ * $Id$
+ *
+ * Mapping for Motorola MPC85xxADS flash
+ *
+ * Greg Weeks <greg.weeks at timesys.com>
+ *
+ * Copyright 2004 Timesys Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/config.h>
+#include <asm/io.h>
+#include <platforms/85xx/mpc85xx_ads_common.h>
+
+static struct mtd_info *flash;
+
+static struct map_info mpc85xxads_map = {
+ .name = "mpc85xxads-flash",
+ .size = MPC85XXADS_FLASH_SIZE,
+ .bankwidth = 4,
+};
+
+static struct mtd_partition mpc85xxads_partitions[] = {
+ {
+ .name = "Linux JFFS2 Filesystem",
+ .offset = 0x0,
+ .size = 0x00800000,
+ },
+ {
+ .name = "Linux Kernel",
+ .offset = 0x00800000,
+ .size = 0x00200000,
+ },
+ {
+ .name = "Linux INITRD",
+ .offset = 0x00a00000,
+ .size = 0x00580000,
+ },
+ {
+ .name = "Bootloader",
+ .offset = 0x00f80000,
+ .size = 0x00080000,
+ }
+};
+
+int __init mpc85xxads_map_init(void)
+{
+ unsigned long mpc85xxads_flash_base = MPC85XXADS_FLASH_BASE;
+
+ mpc85xxads_map.phys = mpc85xxads_flash_base;
+ mpc85xxads_map.virt = (unsigned
long)ioremap(mpc85xxads_flash_base, mpc85xxads_map.size);
+
+ if (!mpc85xxads_map.virt) {
+ printk("Failed to ioremap flash\n");
+ return -EIO;
+ }
+
+ simple_map_init(&mpc85xxads_map);
+
+ flash = do_map_probe("cfi_probe", &mpc85xxads_map);
+ if (flash) {
+ flash->owner = THIS_MODULE;
+ add_mtd_partitions(flash, mpc85xxads_partitions,
+ ARRAY_SIZE(mpc85xxads_partitions));
+ } else {
+ iounmap((void *)mpc85xxads_map.virt);
+ printk("map probe failed for flash\n");
+ return -ENXIO;
+ }
+
+ return 0;
+}
+
+static void __exit mpc85xxads_map_exit(void)
+{
+ if (flash) {
+ del_mtd_partitions(flash);
+ map_destroy(flash);
+ }
+
+ if (mpc85xxads_map.virt) {
+ iounmap((void *)mpc85xxads_map.virt);
+ mpc85xxads_map.virt = 0;
+ }
+}
+
+module_init(mpc85xxads_map_init);
+module_exit(mpc85xxads_map_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Greg Weeks <greg.weeks at timesys.com>");
+MODULE_DESCRIPTION("MTD map and partitions for Motorola MPC85xxADS");
--- ppc-mpc8560ads/arch/ppc/platforms/85xx/mpc85xx_ads_common.h-orig
+++ ppc-mpc8560ads/arch/ppc/platforms/85xx/mpc85xx_ads_common.h
@@ -47,4 +47,7 @@
#define MPC85XX_PCI1_IO_SIZE 0x01000000
+#define MPC85XXADS_FLASH_BASE 0xff000000
+#define MPC85XXADS_FLASH_SIZE 0x01000000
+
#endif /* __MACH_MPC85XX_ADS_H__ */
--- ppc-mpc8560ads/drivers/mtd/maps/Kconfig-orig
+++ ppc-mpc8560ads/drivers/mtd/maps/Kconfig
@@ -667,5 +667,12 @@
help
This enables access to the flash chip on the Sharp SL Series
of PDAs.
+config MTD_MPC85XXADS
+ tristate "Flash device mapped on the MPC85XXADS board"
+ depends on MTD_CFI && MTD_CFI_INTELEXT && MTD_PARTITIONS &&
MPC8560_ADS
+ help
+ This enables access to the Flash on the MPC85xxADS boards.
+ If you have such a board, say 'Y'.
+
endmenu
--- ppc-mpc8560ads/drivers/mtd/maps/Makefile-orig
+++ ppc-mpc8560ads/drivers/mtd/maps/Makefile
@@ -72,3 +72,4 @@
obj-$(CONFIG_MTD_WRSBC8260) += wr_sbc82xx_flash.o
obj-$(CONFIG_MTD_DMV182) += dmv182.o
obj-$(CONFIG_MTD_SHARP_SL) += sharpsl-flash.o
+obj-$(CONFIG_MTD_MPC85XXADS) += mpc85xxads.o
