diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/maps/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/mtd/maps/Makefile | 3 | ||||
| -rw-r--r-- | drivers/mtd/maps/pq2fads.c | 88 |
3 files changed, 97 insertions, 2 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index aa5d71f8d812..8e3e93d62525 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -1,5 +1,5 @@ # drivers/mtd/maps/Kconfig -# $Id: Kconfig,v 1.55 2005/07/02 01:53:24 tpoynor Exp $ +# $Id: Kconfig,v 1.58 2005/09/14 19:14:13 tpoynor Exp $ menu "Mapping drivers for chip access" depends on MTD!=n @@ -520,6 +520,12 @@ config MTD_MPC1211 This enables access to the flash chips on the Interface MPC-1211(CTP/PCI/MPC-SH02). If you have such a board, say 'Y'. +config MTD_PQ2FADS + tristate "JEDEC flash SIMM mapped on PQ2FADS and 8272ADS boards" + depends on (ADS8272 || PQ2FADS) && MTD_PARTITIONS && MTD_JEDECPROBE && MTD_PHYSMAP && MTD_CFI_GEOMETRY && MTD_CFI_INTELEXT + help + This enables access to flash SIMM on PQ2FADS-like boards + config MTD_OMAP_NOR tristate "TI OMAP board mappings" depends on MTD_CFI && ARCH_OMAP diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index 7bcbc49e329f..095517847c77 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -1,7 +1,7 @@ # # linux/drivers/maps/Makefile # -# $Id: Makefile.common,v 1.30 2005/07/02 01:53:24 tpoynor Exp $ +# $Id: Makefile.common,v 1.31 2005/09/14 19:14:13 tpoynor Exp $ ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y) obj-$(CONFIG_MTD) += map_funcs.o @@ -70,3 +70,4 @@ obj-$(CONFIG_MTD_DMV182) += dmv182.o obj-$(CONFIG_MTD_SHARP_SL) += sharpsl-flash.o obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o +obj-$(CONFIG_MTD_PQ2FADS) += pq2fads.o diff --git a/drivers/mtd/maps/pq2fads.c b/drivers/mtd/maps/pq2fads.c new file mode 100644 index 000000000000..e959076b1bf6 --- /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 <vbordug@ru.mvista.com> + * + * 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 <linux/module.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <asm/io.h> +#include <asm/ppcboot.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> + +/* + 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"); |