mtd: drop ceiva map driver
authorDmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Thu, 2 Jun 2011 11:54:08 +0000 (15:54 +0400)
committerArtem Bityutskiy <artem.bityutskiy@intel.com>
Sun, 11 Sep 2011 12:01:57 +0000 (15:01 +0300)
It's a Ceiva/Polaroid PhotoMax Digital Picture Frame. Support for it was
commited before 2.6.12-rc2, current git contains no functional changes
since it's start. Driver containing MTD support for that board was
broken for some time already.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
drivers/mtd/maps/Kconfig
drivers/mtd/maps/Makefile
drivers/mtd/maps/ceiva.c [deleted file]

index c0c328c5b133ccf51785a19385ae7a48a747aeaf..11cc2307c2cabda65b53a2991e83a67fd49853a5 100644 (file)
@@ -412,14 +412,6 @@ config MTD_IMPA7
          This enables access to the NOR Flash on the impA7 board of
          implementa GmbH. If you have such a board, say 'Y' here.
 
-config MTD_CEIVA
-       tristate "JEDEC Flash device mapped on Ceiva/Polaroid PhotoMax Digital Picture Frame"
-       depends on MTD_JEDECPROBE && ARCH_CEIVA
-       help
-         This enables access to the flash chips on the Ceiva/Polaroid
-         PhotoMax Digital Picture Frame.
-         If you have such a device, say 'Y'.
-
 config MTD_H720X
        tristate "Hynix evaluation board mappings"
        depends on MTD_CFI && ( ARCH_H7201 || ARCH_H7202 )
index cb48b11affff8aef535ac93cc96a936e85cd8c32..d6379fea42b8b345dea27cca731523105e2d18ec 100644 (file)
@@ -19,7 +19,6 @@ obj-$(CONFIG_MTD_CK804XROM)   += ck804xrom.o
 obj-$(CONFIG_MTD_TSUNAMI)      += tsunami_flash.o
 obj-$(CONFIG_MTD_PXA2XX)       += pxa2xx-flash.o
 obj-$(CONFIG_MTD_MBX860)       += mbx860.o
-obj-$(CONFIG_MTD_CEIVA)                += ceiva.o
 obj-$(CONFIG_MTD_OCTAGON)      += octagon-5066.o
 obj-$(CONFIG_MTD_PHYSMAP)      += physmap.o
 obj-$(CONFIG_MTD_PHYSMAP_OF)   += physmap_of.o
diff --git a/drivers/mtd/maps/ceiva.c b/drivers/mtd/maps/ceiva.c
deleted file mode 100644 (file)
index 06f9c98..0000000
+++ /dev/null
@@ -1,341 +0,0 @@
-/*
- * Ceiva flash memory driver.
- * Copyright (C) 2002 Rob Scott <rscott@mtrob.fdns.net>
- *
- * Note: this driver supports jedec compatible devices. Modification
- * for CFI compatible devices should be straight forward: change
- * jedec_probe to cfi_probe.
- *
- * Based on: sa1100-flash.c, which has the following copyright:
- * Flash memory access on SA11x0 based devices
- *
- * (C) 2000 Nicolas Pitre <nico@fluxnic.net>
- *
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/ioport.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/concat.h>
-
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-#include <asm/io.h>
-#include <asm/sizes.h>
-
-/*
- * This isn't complete yet, so...
- */
-#define CONFIG_MTD_CEIVA_STATICMAP
-
-#ifdef CONFIG_MTD_CEIVA_STATICMAP
-/*
- * See include/linux/mtd/partitions.h for definition of the mtd_partition
- * structure.
- *
- * Please note:
- *  1. The flash size given should be the largest flash size that can
- *     be accommodated.
- *
- *  2. The bus width must defined in clps_setup_flash.
- *
- * The MTD layer will detect flash chip aliasing and reduce the size of
- * the map accordingly.
- *
- */
-
-#ifdef CONFIG_ARCH_CEIVA
-/* Flash / Partition sizing */
-/* For the 28F8003, we use the block mapping to calcuate the sizes */
-#define MAX_SIZE_KiB                  (16 + 8 + 8 + 96 + (7*128))
-#define BOOT_PARTITION_SIZE_KiB       (16)
-#define PARAMS_PARTITION_SIZE_KiB     (8)
-#define KERNEL_PARTITION_SIZE_KiB     (4*128)
-/* Use both remaining portion of first flash, and all of second flash */
-#define ROOT_PARTITION_SIZE_KiB       (3*128) + (8*128)
-
-static struct mtd_partition ceiva_partitions[] = {
-       {
-               .name = "Ceiva BOOT partition",
-               .size   = BOOT_PARTITION_SIZE_KiB*1024,
-               .offset = 0,
-
-       },{
-               .name = "Ceiva parameters partition",
-               .size   = PARAMS_PARTITION_SIZE_KiB*1024,
-               .offset = (16 + 8) * 1024,
-       },{
-               .name = "Ceiva kernel partition",
-               .size = (KERNEL_PARTITION_SIZE_KiB)*1024,
-               .offset = 0x20000,
-
-       },{
-               .name = "Ceiva root filesystem partition",
-               .offset = MTDPART_OFS_APPEND,
-               .size = (ROOT_PARTITION_SIZE_KiB)*1024,
-       }
-};
-#endif
-
-static int __init clps_static_partitions(struct mtd_partition **parts)
-{
-       int nb_parts = 0;
-
-#ifdef CONFIG_ARCH_CEIVA
-       if (machine_is_ceiva()) {
-               *parts       = ceiva_partitions;
-               nb_parts     = ARRAY_SIZE(ceiva_partitions);
-       }
-#endif
-       return nb_parts;
-}
-#endif
-
-struct clps_info {
-       unsigned long base;
-       unsigned long size;
-       int width;
-       void *vbase;
-       struct map_info *map;
-       struct mtd_info *mtd;
-       struct resource *res;
-};
-
-#define NR_SUBMTD 4
-
-static struct clps_info info[NR_SUBMTD];
-
-static int __init clps_setup_mtd(struct clps_info *clps, int nr, struct mtd_info **rmtd)
-{
-       struct mtd_info *subdev[nr];
-       struct map_info *maps;
-       int i, found = 0, ret = 0;
-
-       /*
-        * Allocate the map_info structs in one go.
-        */
-       maps = kzalloc(sizeof(struct map_info) * nr, GFP_KERNEL);
-       if (!maps)
-               return -ENOMEM;
-       /*
-        * Claim and then map the memory regions.
-        */
-       for (i = 0; i < nr; i++) {
-               if (clps[i].base == (unsigned long)-1)
-                       break;
-
-               clps[i].res = request_mem_region(clps[i].base, clps[i].size, "clps flash");
-               if (!clps[i].res) {
-                       ret = -EBUSY;
-                       break;
-               }
-
-               clps[i].map = maps + i;
-
-               clps[i].map->name = "clps flash";
-               clps[i].map->phys = clps[i].base;
-
-               clps[i].vbase = ioremap(clps[i].base, clps[i].size);
-               if (!clps[i].vbase) {
-                       ret = -ENOMEM;
-                       break;
-               }
-
-               clps[i].map->virt = (void __iomem *)clps[i].vbase;
-               clps[i].map->bankwidth = clps[i].width;
-               clps[i].map->size = clps[i].size;
-
-               simple_map_init(&clps[i].map);
-
-               clps[i].mtd = do_map_probe("jedec_probe", clps[i].map);
-               if (clps[i].mtd == NULL) {
-                       ret = -ENXIO;
-                       break;
-               }
-               clps[i].mtd->owner = THIS_MODULE;
-               subdev[i] = clps[i].mtd;
-
-               printk(KERN_INFO "clps flash: JEDEC device at 0x%08lx, %dMiB, "
-                       "%d-bit\n", clps[i].base, clps[i].mtd->size >> 20,
-                       clps[i].width * 8);
-               found += 1;
-       }
-
-       /*
-        * ENXIO is special.  It means we didn't find a chip when
-        * we probed.  We need to tear down the mapping, free the
-        * resource and mark it as such.
-        */
-       if (ret == -ENXIO) {
-               iounmap(clps[i].vbase);
-               clps[i].vbase = NULL;
-               release_resource(clps[i].res);
-               clps[i].res = NULL;
-       }
-
-       /*
-        * If we found one device, don't bother with concat support.
-        * If we found multiple devices, use concat if we have it
-        * available, otherwise fail.
-        */
-       if (ret == 0 || ret == -ENXIO) {
-               if (found == 1) {
-                       *rmtd = subdev[0];
-                       ret = 0;
-               } else if (found > 1) {
-                       /*
-                        * We detected multiple devices.  Concatenate
-                        * them together.
-                        */
-                       *rmtd = mtd_concat_create(subdev, found,
-                                                 "clps flash");
-                       if (*rmtd == NULL)
-                               ret = -ENXIO;
-               }
-       }
-
-       /*
-        * If we failed, clean up.
-        */
-       if (ret) {
-               do {
-                       if (clps[i].mtd)
-                               map_destroy(clps[i].mtd);
-                       if (clps[i].vbase)
-                               iounmap(clps[i].vbase);
-                       if (clps[i].res)
-                               release_resource(clps[i].res);
-               } while (i--);
-
-               kfree(maps);
-       }
-
-       return ret;
-}
-
-static void __exit clps_destroy_mtd(struct clps_info *clps, struct mtd_info *mtd)
-{
-       int i;
-
-       mtd_device_unregister(mtd);
-
-       if (mtd != clps[0].mtd)
-               mtd_concat_destroy(mtd);
-
-       for (i = NR_SUBMTD; i >= 0; i--) {
-               if (clps[i].mtd)
-                       map_destroy(clps[i].mtd);
-               if (clps[i].vbase)
-                       iounmap(clps[i].vbase);
-               if (clps[i].res)
-                       release_resource(clps[i].res);
-       }
-       kfree(clps[0].map);
-}
-
-/*
- * We define the memory space, size, and width for the flash memory
- * space here.
- */
-
-static int __init clps_setup_flash(void)
-{
-       int nr = 0;
-
-#ifdef CONFIG_ARCH_CEIVA
-       if (machine_is_ceiva()) {
-               info[0].base = CS0_PHYS_BASE;
-               info[0].size = SZ_32M;
-               info[0].width = CEIVA_FLASH_WIDTH;
-               info[1].base = CS1_PHYS_BASE;
-               info[1].size = SZ_32M;
-               info[1].width = CEIVA_FLASH_WIDTH;
-               nr = 2;
-       }
-#endif
-       return nr;
-}
-
-static struct mtd_partition *parsed_parts;
-static const char *probes[] = { "cmdlinepart", "RedBoot", NULL };
-
-static void __init clps_locate_partitions(struct mtd_info *mtd)
-{
-       const char *part_type = NULL;
-       int nr_parts = 0;
-       do {
-               /*
-                * Partition selection stuff.
-                */
-               nr_parts = parse_mtd_partitions(mtd, probes, &parsed_parts, 0);
-               if (nr_parts > 0) {
-                       part_type = "command line";
-                       break;
-               }
-#ifdef CONFIG_MTD_CEIVA_STATICMAP
-               nr_parts = clps_static_partitions(&parsed_parts);
-               if (nr_parts > 0) {
-                       part_type = "static";
-                       break;
-               }
-               printk("found: %d partitions\n", nr_parts);
-#endif
-       } while (0);
-
-       if (nr_parts == 0) {
-               printk(KERN_NOTICE "clps flash: no partition info "
-                       "available, registering whole flash\n");
-               mtd_device_register(mtd, NULL, 0);
-       } else {
-               printk(KERN_NOTICE "clps flash: using %s partition "
-                       "definition\n", part_type);
-               mtd_device_register(mtd, parsed_parts, nr_parts);
-       }
-
-       /* Always succeeds. */
-}
-
-static void __exit clps_destroy_partitions(void)
-{
-       kfree(parsed_parts);
-}
-
-static struct mtd_info *mymtd;
-
-static int __init clps_mtd_init(void)
-{
-       int ret;
-       int nr;
-
-       nr = clps_setup_flash();
-       if (nr < 0)
-               return nr;
-
-       ret = clps_setup_mtd(info, nr, &mymtd);
-       if (ret)
-               return ret;
-
-       clps_locate_partitions(mymtd);
-
-       return 0;
-}
-
-static void __exit clps_mtd_cleanup(void)
-{
-       clps_destroy_mtd(info, mymtd);
-       clps_destroy_partitions();
-}
-
-module_init(clps_mtd_init);
-module_exit(clps_mtd_cleanup);
-
-MODULE_AUTHOR("Rob Scott");
-MODULE_DESCRIPTION("Cirrus Logic JEDEC map driver");
-MODULE_LICENSE("GPL");