From 9c517e6c801aab0f8de8f9c67bfc16ea13d72971 Mon Sep 17 00:00:00 2001 From: Todd Poynor Date: Wed, 14 Sep 2005 20:14:17 +0100 Subject: [MTD] maps: Add mapping driver for PQ2FADS boards. From: Vitaly Bordug Signed-off-by: Todd Poynor Signed-off-by: Thomas Gleixner --- drivers/mtd/maps/pq2fads.c | 88 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 drivers/mtd/maps/pq2fads.c (limited to 'drivers/mtd/maps/pq2fads.c') diff --git a/drivers/mtd/maps/pq2fads.c b/drivers/mtd/maps/pq2fads.c new file mode 100644 index 00000000000..e959076b1bf --- /dev/null +++ b/drivers/mtd/maps/pq2fads.c @@ -0,0 +1,88 @@ +/* + * drivers/mtd/maps/pq2fads.c + * + * Mapping for the flash SIMM on 8272ADS and PQ2FADS board + * + * Author: Vitaly Bordug + * + * 2005 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + NOTE: bank width and interleave relative to the installed flash + should have been chosen within MTD_CFI_GEOMETRY options. + */ +#define PQ2FADS_BANK_WIDTH 4 + +static struct mtd_partition pq2fads_partitions[] = { + { +#ifdef CONFIG_ADS8272 + .name = "HRCW", + .size = 0x40000, + .offset = 0, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, { + .name = "User FS", + .size = 0x5c0000, + .offset = 0x40000, +#else + .name = "User FS", + .size = 0x600000, + .offset = 0, +#endif + }, { + .name = "uImage", + .size = 0x100000, + .offset = 0x600000, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, { + .name = "bootloader", + .size = 0x40000, + .offset = 0x700000, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, { + .name = "bootloader env", + .size = 0x40000, + .offset = 0x740000, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + } +}; + + +/* pointer to MPC885ADS board info data */ +extern unsigned char __res[]; + +static int __init init_pq2fads_mtd(void) +{ + bd_t *bd = (bd_t *)__res; + physmap_configure(bd->bi_flashstart, bd->bi_flashsize, PQ2FADS_BANK_WIDTH, NULL); + + physmap_set_partitions(pq2fads_partitions, + sizeof (pq2fads_partitions) / + sizeof (pq2fads_partitions[0])); + return 0; +} + +static void __exit cleanup_pq2fads_mtd(void) +{ +} + +module_init(init_pq2fads_mtd); +module_exit(cleanup_pq2fads_mtd); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("MTD map and partitions for MPC8272ADS boards"); -- cgit v1.2.3-70-g09d2