diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/maps/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/mtd/maps/Makefile | 3 | ||||
| -rw-r--r-- | drivers/mtd/maps/mtx-1_flash.c | 96 |
3 files changed, 106 insertions, 2 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index 8e3e93d6252..7f1ce08fb7b 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -1,5 +1,5 @@ # drivers/mtd/maps/Kconfig -# $Id: Kconfig,v 1.58 2005/09/14 19:14:13 tpoynor Exp $ +# $Id: Kconfig,v 1.59 2005/09/18 10:46:41 joern Exp $ menu "Mapping drivers for chip access" depends on MTD!=n @@ -214,6 +214,13 @@ config MTD_ALCHEMY help Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards +config MTD_MTX1 + tristate "4G Systems MTX-1 Flash device" + depends on MIPS && MIPS_MTX1 + help + Flash memory access on 4G Systems MTX-1 Board. If you have one of + these boards and would like to use the flash chips on it, say 'Y'. + config MTD_DILNETPC tristate "CFI Flash device mapped on DIL/Net PC" depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index 095517847c7..2afa80678d5 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -1,7 +1,7 @@ # # linux/drivers/maps/Makefile # -# $Id: Makefile.common,v 1.31 2005/09/14 19:14:13 tpoynor Exp $ +# $Id: Makefile.common,v 1.32 2005/09/18 10:46:41 joern Exp $ ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y) obj-$(CONFIG_MTD) += map_funcs.o @@ -71,3 +71,4 @@ 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 +obj-$(CONFIG_MTD_MTX1) += mtx-1_flash.o diff --git a/drivers/mtd/maps/mtx-1_flash.c b/drivers/mtd/maps/mtx-1_flash.c new file mode 100644 index 00000000000..43f4416a611 --- /dev/null +++ b/drivers/mtd/maps/mtx-1_flash.c @@ -0,0 +1,96 @@ +/* + * Flash memory access on 4G Systems MTX-1 boards + * + * $Id: mtx-1_flash.c,v 1.1 2005/09/18 10:46:41 joern Exp $ + * + * (C) 2005 Bruno Randolf <bruno.randolf@4g-systems.biz> + * (C) 2005 Jörn Engel <joern@wohnheim.fh-wedel.de> + * + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/kernel.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/mtd/partitions.h> + +#include <asm/io.h> + +static struct map_info mtx1_map = { + .name = "MTX-1 flash", + .bankwidth = 4, + .size = 0x2000000, + .phys = 0x1E000000, +}; + +static struct mtd_partition mtx1_partitions[] = { + { + .name = "filesystem", + .size = 0x01C00000, + .offset = 0, + },{ + .name = "yamon", + .size = 0x00100000, + .offset = MTDPART_OFS_APPEND, + .mask_flags = MTD_WRITEABLE, + },{ + .name = "kernel", + .size = 0x002c0000, + .offset = MTDPART_OFS_APPEND, + },{ + .name = "yamon env", + .size = 0x00040000, + .offset = MTDPART_OFS_APPEND, + } +}; + +static struct mtd_info *mtx1_mtd; + +int __init mtx1_mtd_init(void) +{ + int ret = -ENXIO; + + simple_map_init(&mtx1_map); + + mtx1_map.virt = ioremap(mtx1_map.phys, mtx1_map.size); + if (!mtx1_map.virt) + return -EIO; + + mtx1_mtd = do_map_probe("cfi_probe", &mtx1_map); + if (!mtx1_mtd) + goto err; + + mtx1_mtd->owner = THIS_MODULE; + + ret = add_mtd_partitions(mtx1_mtd, mtx1_partitions, + ARRAY_SIZE(mtx1_partitions)); + if (ret) + goto err; + + return 0; + +err: + iounmap(mtx1_map.virt); + return ret; +} + +static void __exit mtx1_mtd_cleanup(void) +{ + if (mtx1_mtd) { + del_mtd_partitions(mtx1_mtd); + map_destroy(mtx1_mtd); + } + if (mtx1_map.virt) + iounmap(mtx1_map.virt); +} + +module_init(mtx1_mtd_init); +module_exit(mtx1_mtd_cleanup); + +MODULE_AUTHOR("Bruno Randolf <bruno.randolf@4g-systems.biz>"); +MODULE_DESCRIPTION("MTX-1 flash map"); +MODULE_LICENSE("GPL"); |