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Commit 06947494 authored by Dmitry Eremin-Solenikov's avatar Dmitry Eremin-Solenikov Committed by Artem Bityutskiy
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mtd: drop ceiva map driver 

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: default avatarDmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
parent d3f2ed52
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drivers/mtd/maps/Kconfig
View file @ 06947494
...@@ -412,14 +412,6 @@ config MTD_IMPA7 ...@@ -412,14 +412,6 @@ config MTD_IMPA7
This enables access to the NOR Flash on the impA7 board of This enables access to the NOR Flash on the impA7 board of
implementa GmbH. If you have such a board, say 'Y' here. 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 config MTD_H720X
tristate "Hynix evaluation board mappings" tristate "Hynix evaluation board mappings"
depends on MTD_CFI && ( ARCH_H7201 || ARCH_H7202 ) depends on MTD_CFI && ( ARCH_H7201 || ARCH_H7202 )
......
drivers/mtd/maps/Makefile
View file @ 06947494
...@@ -19,7 +19,6 @@ obj-$(CONFIG_MTD_CK804XROM) += ck804xrom.o ...@@ -19,7 +19,6 @@ obj-$(CONFIG_MTD_CK804XROM) += ck804xrom.o
obj-$(CONFIG_MTD_TSUNAMI) += tsunami_flash.o obj-$(CONFIG_MTD_TSUNAMI) += tsunami_flash.o
obj-$(CONFIG_MTD_PXA2XX) += pxa2xx-flash.o obj-$(CONFIG_MTD_PXA2XX) += pxa2xx-flash.o
obj-$(CONFIG_MTD_MBX860) += mbx860.o obj-$(CONFIG_MTD_MBX860) += mbx860.o
obj-$(CONFIG_MTD_CEIVA) += ceiva.o
obj-$(CONFIG_MTD_OCTAGON) += octagon-5066.o obj-$(CONFIG_MTD_OCTAGON) += octagon-5066.o
obj-$(CONFIG_MTD_PHYSMAP) += physmap.o obj-$(CONFIG_MTD_PHYSMAP) += physmap.o
obj-$(CONFIG_MTD_PHYSMAP_OF) += physmap_of.o obj-$(CONFIG_MTD_PHYSMAP_OF) += physmap_of.o
......
drivers/mtd/maps/ceiva.c deleted 100644 → 0
View file @ d3f2ed52
/*
* 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");
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