summaryrefslogtreecommitdiffstats
path: root/drivers/mtd/maps
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd/maps')
-rw-r--r--drivers/mtd/maps/Kconfig31
-rw-r--r--drivers/mtd/maps/Makefile2
-rw-r--r--drivers/mtd/maps/ipaq-flash.c460
-rw-r--r--drivers/mtd/maps/ixp4xx.c6
-rw-r--r--drivers/mtd/maps/omap_nor.c2
-rw-r--r--drivers/mtd/maps/pcmciamtd.c197
-rw-r--r--drivers/mtd/maps/physmap.c21
-rw-r--r--drivers/mtd/maps/pismo.c320
-rw-r--r--drivers/mtd/maps/pxa2xx-flash.c13
-rw-r--r--drivers/mtd/maps/sa1100-flash.c2
-rw-r--r--drivers/mtd/maps/vmu-flash.c9
11 files changed, 469 insertions, 594 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 14be0755d7cd..2de0cc823d60 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -1,5 +1,3 @@
-# drivers/mtd/maps/Kconfig
-
menu "Mapping drivers for chip access"
depends on MTD!=n
@@ -361,12 +359,6 @@ config MTD_SA1100
the SA1100 and SA1110, including the Assabet and the Compaq iPAQ.
If you have such a board, say 'Y'.
-config MTD_IPAQ
- tristate "CFI Flash device mapped on Compaq/HP iPAQ"
- depends on IPAQ_HANDHELD && MTD_CFI
- help
- This provides a driver for the on-board flash of the iPAQ.
-
config MTD_DC21285
tristate "CFI Flash device mapped on DC21285 Footbridge"
depends on MTD_CFI && ARCH_FOOTBRIDGE && MTD_COMPLEX_MAPPINGS
@@ -389,9 +381,9 @@ config MTD_IXP2000
depends on MTD_CFI && MTD_COMPLEX_MAPPINGS && ARCH_IXP2000
help
This enables MTD access to flash devices on platforms based
- on Intel's IXP2000 family of network processors such as the
- IXDP425 and Coyote. If you have an IXP2000 based board and
- would like to use the flash chips on it, say 'Y'.
+ on Intel's IXP2000 family of network processors. If you have an
+ IXP2000 based board and would like to use the flash chips on it,
+ say 'Y'.
config MTD_FORTUNET
tristate "CFI Flash device mapped on the FortuNet board"
@@ -557,4 +549,21 @@ config MTD_VMU
To build this as a module select M here, the module will be called
vmu-flash.
+config MTD_PISMO
+ tristate "MTD discovery driver for PISMO modules"
+ depends on I2C
+ depends on ARCH_VERSATILE
+ help
+ This driver allows for discovery of PISMO modules - see
+ <http://www.pismoworld.org/>. These are small modules containing
+ up to five memory devices (eg, SRAM, flash, DOC) described by an
+ I2C EEPROM.
+
+ This driver does not create any MTD maps itself; instead it
+ creates MTD physmap and MTD SRAM platform devices. If you
+ enable this option, you should consider enabling MTD_PHYSMAP
+ and/or MTD_PLATRAM according to the devices on your module.
+
+ When built as a module, it will be called pismo.ko
+
endmenu
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index ae2f6dbe43c3..ce315214ff2b 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -24,12 +24,12 @@ 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
+obj-$(CONFIG_MTD_PISMO) += pismo.o
obj-$(CONFIG_MTD_PMC_MSP_EVM) += pmcmsp-flash.o
obj-$(CONFIG_MTD_PCMCIA) += pcmciamtd.o
obj-$(CONFIG_MTD_RPXLITE) += rpxlite.o
obj-$(CONFIG_MTD_TQM8XXL) += tqm8xxl.o
obj-$(CONFIG_MTD_SA1100) += sa1100-flash.o
-obj-$(CONFIG_MTD_IPAQ) += ipaq-flash.o
obj-$(CONFIG_MTD_SBC_GXX) += sbc_gxx.o
obj-$(CONFIG_MTD_SC520CDP) += sc520cdp.o
obj-$(CONFIG_MTD_NETSC520) += netsc520.o
diff --git a/drivers/mtd/maps/ipaq-flash.c b/drivers/mtd/maps/ipaq-flash.c
deleted file mode 100644
index 76708e796b70..000000000000
--- a/drivers/mtd/maps/ipaq-flash.c
+++ /dev/null
@@ -1,460 +0,0 @@
-/*
- * Flash memory access on iPAQ Handhelds (either SA1100 or PXA250 based)
- *
- * (C) 2000 Nicolas Pitre <nico@fluxnic.net>
- * (C) 2002 Hewlett-Packard Company <jamey.hicks@hp.com>
- * (C) 2003 Christian Pellegrin <chri@ascensit.com>, <chri@infis.univ.ts.it>: concatenation of multiple flashes
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/spinlock.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <asm/page.h>
-#include <asm/mach-types.h>
-#include <asm/system.h>
-#include <asm/errno.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#ifdef CONFIG_MTD_CONCAT
-#include <linux/mtd/concat.h>
-#endif
-
-#include <mach/hardware.h>
-#include <mach/h3600.h>
-#include <asm/io.h>
-
-
-#ifndef CONFIG_IPAQ_HANDHELD
-#error This is for iPAQ Handhelds only
-#endif
-#ifdef CONFIG_SA1100_JORNADA56X
-
-static void jornada56x_set_vpp(struct map_info *map, int vpp)
-{
- if (vpp)
- GPSR = GPIO_GPIO26;
- else
- GPCR = GPIO_GPIO26;
- GPDR |= GPIO_GPIO26;
-}
-
-#endif
-
-#ifdef CONFIG_SA1100_JORNADA720
-
-static void jornada720_set_vpp(struct map_info *map, int vpp)
-{
- if (vpp)
- PPSR |= 0x80;
- else
- PPSR &= ~0x80;
- PPDR |= 0x80;
-}
-
-#endif
-
-#define MAX_IPAQ_CS 2 /* Number of CS we are going to test */
-
-#define IPAQ_MAP_INIT(X) \
- { \
- name: "IPAQ flash " X, \
- }
-
-
-static struct map_info ipaq_map[MAX_IPAQ_CS] = {
- IPAQ_MAP_INIT("bank 1"),
- IPAQ_MAP_INIT("bank 2")
-};
-
-static struct mtd_info *my_sub_mtd[MAX_IPAQ_CS] = {
- NULL,
- NULL
-};
-
-/*
- * Here are partition information for all known IPAQ-based devices.
- * See include/linux/mtd/partitions.h for definition of the mtd_partition
- * structure.
- *
- * The *_max_flash_size is the maximum possible mapped flash size which
- * is not necessarily the actual flash size. It must be no more than
- * the value specified in the "struct map_desc *_io_desc" mapping
- * definition for the corresponding machine.
- *
- * Please keep these in alphabetical order, and formatted as per existing
- * entries. Thanks.
- */
-
-#ifdef CONFIG_IPAQ_HANDHELD
-static unsigned long h3xxx_max_flash_size = 0x04000000;
-static struct mtd_partition h3xxx_partitions[] = {
- {
- name: "H3XXX boot firmware",
-#ifndef CONFIG_LAB
- size: 0x00040000,
-#else
- size: 0x00080000,
-#endif
- offset: 0,
-#ifndef CONFIG_LAB
- mask_flags: MTD_WRITEABLE, /* force read-only */
-#endif
- },
- {
- name: "H3XXX root jffs2",
-#ifndef CONFIG_LAB
- size: 0x2000000 - 2*0x40000, /* Warning, this is fixed later */
- offset: 0x00040000,
-#else
- size: 0x2000000 - 0x40000 - 0x80000, /* Warning, this is fixed later */
- offset: 0x00080000,
-#endif
- },
- {
- name: "asset",
- size: 0x40000,
- offset: 0x2000000 - 0x40000, /* Warning, this is fixed later */
- mask_flags: MTD_WRITEABLE, /* force read-only */
- }
-};
-
-#ifndef CONFIG_MTD_CONCAT
-static struct mtd_partition h3xxx_partitions_bank2[] = {
- /* this is used only on 2 CS machines when concat is not present */
- {
- name: "second H3XXX root jffs2",
- size: 0x1000000 - 0x40000, /* Warning, this is fixed later */
- offset: 0x00000000,
- },
- {
- name: "second asset",
- size: 0x40000,
- offset: 0x1000000 - 0x40000, /* Warning, this is fixed later */
- mask_flags: MTD_WRITEABLE, /* force read-only */
- }
-};
-#endif
-
-static DEFINE_SPINLOCK(ipaq_vpp_lock);
-
-static void h3xxx_set_vpp(struct map_info *map, int vpp)
-{
- static int nest = 0;
-
- spin_lock(&ipaq_vpp_lock);
- if (vpp)
- nest++;
- else
- nest--;
- if (nest)
- assign_h3600_egpio(IPAQ_EGPIO_VPP_ON, 1);
- else
- assign_h3600_egpio(IPAQ_EGPIO_VPP_ON, 0);
- spin_unlock(&ipaq_vpp_lock);
-}
-
-#endif
-
-#if defined(CONFIG_SA1100_JORNADA56X) || defined(CONFIG_SA1100_JORNADA720)
-static unsigned long jornada_max_flash_size = 0x02000000;
-static struct mtd_partition jornada_partitions[] = {
- {
- name: "Jornada boot firmware",
- size: 0x00040000,
- offset: 0,
- mask_flags: MTD_WRITEABLE, /* force read-only */
- }, {
- name: "Jornada root jffs2",
- size: MTDPART_SIZ_FULL,
- offset: 0x00040000,
- }
-};
-#endif
-
-
-static struct mtd_partition *parsed_parts;
-static struct mtd_info *mymtd;
-
-static unsigned long cs_phys[] = {
-#ifdef CONFIG_ARCH_SA1100
- SA1100_CS0_PHYS,
- SA1100_CS1_PHYS,
- SA1100_CS2_PHYS,
- SA1100_CS3_PHYS,
- SA1100_CS4_PHYS,
- SA1100_CS5_PHYS,
-#else
- PXA_CS0_PHYS,
- PXA_CS1_PHYS,
- PXA_CS2_PHYS,
- PXA_CS3_PHYS,
- PXA_CS4_PHYS,
- PXA_CS5_PHYS,
-#endif
-};
-
-static const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL };
-
-static int __init h1900_special_case(void);
-
-static int __init ipaq_mtd_init(void)
-{
- struct mtd_partition *parts = NULL;
- int nb_parts = 0;
- int parsed_nr_parts = 0;
- const char *part_type;
- int i; /* used when we have >1 flash chips */
- unsigned long tot_flashsize = 0; /* used when we have >1 flash chips */
-
- /* Default flash bankwidth */
- // ipaq_map.bankwidth = (MSC0 & MSC_RBW) ? 2 : 4;
-
- if (machine_is_h1900())
- {
- /* For our intents, the h1900 is not a real iPAQ, so we special-case it. */
- return h1900_special_case();
- }
-
- if (machine_is_h3100() || machine_is_h1900())
- for(i=0; i<MAX_IPAQ_CS; i++)
- ipaq_map[i].bankwidth = 2;
- else
- for(i=0; i<MAX_IPAQ_CS; i++)
- ipaq_map[i].bankwidth = 4;
-
- /*
- * Static partition definition selection
- */
- part_type = "static";
-
- simple_map_init(&ipaq_map[0]);
- simple_map_init(&ipaq_map[1]);
-
-#ifdef CONFIG_IPAQ_HANDHELD
- if (machine_is_ipaq()) {
- parts = h3xxx_partitions;
- nb_parts = ARRAY_SIZE(h3xxx_partitions);
- for(i=0; i<MAX_IPAQ_CS; i++) {
- ipaq_map[i].size = h3xxx_max_flash_size;
- ipaq_map[i].set_vpp = h3xxx_set_vpp;
- ipaq_map[i].phys = cs_phys[i];
- ipaq_map[i].virt = ioremap(cs_phys[i], 0x04000000);
- if (machine_is_h3100 () || machine_is_h1900())
- ipaq_map[i].bankwidth = 2;
- }
- if (machine_is_h3600()) {
- /* No asset partition here */
- h3xxx_partitions[1].size += 0x40000;
- nb_parts--;
- }
- }
-#endif
-#ifdef CONFIG_ARCH_H5400
- if (machine_is_h5400()) {
- ipaq_map[0].size = 0x02000000;
- ipaq_map[1].size = 0x02000000;
- ipaq_map[1].phys = 0x02000000;
- ipaq_map[1].virt = ipaq_map[0].virt + 0x02000000;
- }
-#endif
-#ifdef CONFIG_ARCH_H1900
- if (machine_is_h1900()) {
- ipaq_map[0].size = 0x00400000;
- ipaq_map[1].size = 0x02000000;
- ipaq_map[1].phys = 0x00080000;
- ipaq_map[1].virt = ipaq_map[0].virt + 0x00080000;
- }
-#endif
-
-#ifdef CONFIG_SA1100_JORNADA56X
- if (machine_is_jornada56x()) {
- parts = jornada_partitions;
- nb_parts = ARRAY_SIZE(jornada_partitions);
- ipaq_map[0].size = jornada_max_flash_size;
- ipaq_map[0].set_vpp = jornada56x_set_vpp;
- ipaq_map[0].virt = (__u32)ioremap(0x0, 0x04000000);
- }
-#endif
-#ifdef CONFIG_SA1100_JORNADA720
- if (machine_is_jornada720()) {
- parts = jornada_partitions;
- nb_parts = ARRAY_SIZE(jornada_partitions);
- ipaq_map[0].size = jornada_max_flash_size;
- ipaq_map[0].set_vpp = jornada720_set_vpp;
- }
-#endif
-
-
- if (machine_is_ipaq()) { /* for iPAQs only */
- for(i=0; i<MAX_IPAQ_CS; i++) {
- printk(KERN_NOTICE "iPAQ flash: probing %d-bit flash bus, window=%lx with CFI.\n", ipaq_map[i].bankwidth*8, ipaq_map[i].virt);
- my_sub_mtd[i] = do_map_probe("cfi_probe", &ipaq_map[i]);
- if (!my_sub_mtd[i]) {
- printk(KERN_NOTICE "iPAQ flash: probing %d-bit flash bus, window=%lx with JEDEC.\n", ipaq_map[i].bankwidth*8, ipaq_map[i].virt);
- my_sub_mtd[i] = do_map_probe("jedec_probe", &ipaq_map[i]);
- }
- if (!my_sub_mtd[i]) {
- printk(KERN_NOTICE "iPAQ flash: failed to find flash.\n");
- if (i)
- break;
- else
- return -ENXIO;
- } else
- printk(KERN_NOTICE "iPAQ flash: found %d bytes\n", my_sub_mtd[i]->size);
-
- /* do we really need this debugging? --joshua 20030703 */
- // printk("my_sub_mtd[%d]=%p\n", i, my_sub_mtd[i]);
- my_sub_mtd[i]->owner = THIS_MODULE;
- tot_flashsize += my_sub_mtd[i]->size;
- }
-#ifdef CONFIG_MTD_CONCAT
- /* fix the asset location */
-# ifdef CONFIG_LAB
- h3xxx_partitions[1].size = tot_flashsize - 0x40000 - 0x80000 /* extra big boot block */;
-# else
- h3xxx_partitions[1].size = tot_flashsize - 2 * 0x40000;
-# endif
- h3xxx_partitions[2].offset = tot_flashsize - 0x40000;
- /* and concat the devices */
- mymtd = mtd_concat_create(&my_sub_mtd[0], i,
- "ipaq");
- if (!mymtd) {
- printk("Cannot create iPAQ concat device\n");
- return -ENXIO;
- }
-#else
- mymtd = my_sub_mtd[0];
-
- /*
- *In the very near future, command line partition parsing
- * will use the device name as 'mtd-id' instead of a value
- * passed to the parse_cmdline_partitions() routine. Since
- * the bootldr says 'ipaq', make sure it continues to work.
- */
- mymtd->name = "ipaq";
-
- if ((machine_is_h3600())) {
-# ifdef CONFIG_LAB
- h3xxx_partitions[1].size = my_sub_mtd[0]->size - 0x80000;
-# else
- h3xxx_partitions[1].size = my_sub_mtd[0]->size - 0x40000;
-# endif
- nb_parts = 2;
- } else {
-# ifdef CONFIG_LAB
- h3xxx_partitions[1].size = my_sub_mtd[0]->size - 0x40000 - 0x80000; /* extra big boot block */
-# else
- h3xxx_partitions[1].size = my_sub_mtd[0]->size - 2*0x40000;
-# endif
- h3xxx_partitions[2].offset = my_sub_mtd[0]->size - 0x40000;
- }
-
- if (my_sub_mtd[1]) {
-# ifdef CONFIG_LAB
- h3xxx_partitions_bank2[0].size = my_sub_mtd[1]->size - 0x80000;
-# else
- h3xxx_partitions_bank2[0].size = my_sub_mtd[1]->size - 0x40000;
-# endif
- h3xxx_partitions_bank2[1].offset = my_sub_mtd[1]->size - 0x40000;
- }
-#endif
- }
- else {
- /*
- * Now let's probe for the actual flash. Do it here since
- * specific machine settings might have been set above.
- */
- printk(KERN_NOTICE "IPAQ flash: probing %d-bit flash bus, window=%lx\n", ipaq_map[0].bankwidth*8, ipaq_map[0].virt);
- mymtd = do_map_probe("cfi_probe", &ipaq_map[0]);
- if (!mymtd)
- return -ENXIO;
- mymtd->owner = THIS_MODULE;
- }
-
-
- /*
- * Dynamic partition selection stuff (might override the static ones)
- */
-
- i = parse_mtd_partitions(mymtd, part_probes, &parsed_parts, 0);
-
- if (i > 0) {
- nb_parts = parsed_nr_parts = i;
- parts = parsed_parts;
- part_type = "dynamic";
- }
-
- if (!parts) {
- printk(KERN_NOTICE "IPAQ flash: no partition info available, registering whole flash at once\n");
- add_mtd_device(mymtd);
-#ifndef CONFIG_MTD_CONCAT
- if (my_sub_mtd[1])
- add_mtd_device(my_sub_mtd[1]);
-#endif
- } else {
- printk(KERN_NOTICE "Using %s partition definition\n", part_type);
- add_mtd_partitions(mymtd, parts, nb_parts);
-#ifndef CONFIG_MTD_CONCAT
- if (my_sub_mtd[1])
- add_mtd_partitions(my_sub_mtd[1], h3xxx_partitions_bank2, ARRAY_SIZE(h3xxx_partitions_bank2));
-#endif
- }
-
- return 0;
-}
-
-static void __exit ipaq_mtd_cleanup(void)
-{
- int i;
-
- if (mymtd) {
- del_mtd_partitions(mymtd);
-#ifndef CONFIG_MTD_CONCAT
- if (my_sub_mtd[1])
- del_mtd_partitions(my_sub_mtd[1]);
-#endif
- map_destroy(mymtd);
-#ifdef CONFIG_MTD_CONCAT
- for(i=0; i<MAX_IPAQ_CS; i++)
-#else
- for(i=1; i<MAX_IPAQ_CS; i++)
-#endif
- {
- if (my_sub_mtd[i])
- map_destroy(my_sub_mtd[i]);
- }
- kfree(parsed_parts);
- }
-}
-
-static int __init h1900_special_case(void)
-{
- /* The iPAQ h1900 is a special case - it has weird ROM. */
- simple_map_init(&ipaq_map[0]);
- ipaq_map[0].size = 0x80000;
- ipaq_map[0].set_vpp = h3xxx_set_vpp;
- ipaq_map[0].phys = 0x0;
- ipaq_map[0].virt = ioremap(0x0, 0x04000000);
- ipaq_map[0].bankwidth = 2;
-
- printk(KERN_NOTICE "iPAQ flash: probing %d-bit flash bus, window=%lx with JEDEC.\n", ipaq_map[0].bankwidth*8, ipaq_map[0].virt);
- mymtd = do_map_probe("jedec_probe", &ipaq_map[0]);
- if (!mymtd)
- return -ENODEV;
- add_mtd_device(mymtd);
- printk(KERN_NOTICE "iPAQ flash: registered h1910 flash\n");
-
- return 0;
-}
-
-module_init(ipaq_mtd_init);
-module_exit(ipaq_mtd_cleanup);
-
-MODULE_AUTHOR("Jamey Hicks");
-MODULE_DESCRIPTION("IPAQ CFI map driver");
-MODULE_LICENSE("MIT");
diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c
index 7214b876feba..7b0515297411 100644
--- a/drivers/mtd/maps/ixp4xx.c
+++ b/drivers/mtd/maps/ixp4xx.c
@@ -210,7 +210,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
* not attempt to do a direct access on us.
*/
info->map.phys = NO_XIP;
- info->map.size = dev->resource->end - dev->resource->start + 1;
+ info->map.size = resource_size(dev->resource);
/*
* We only support 16-bit accesses for now. If and when
@@ -224,7 +224,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
info->map.copy_from = ixp4xx_copy_from,
info->res = request_mem_region(dev->resource->start,
- dev->resource->end - dev->resource->start + 1,
+ resource_size(dev->resource),
"IXP4XXFlash");
if (!info->res) {
printk(KERN_ERR "IXP4XXFlash: Could not reserve memory region\n");
@@ -233,7 +233,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
}
info->map.virt = ioremap(dev->resource->start,
- dev->resource->end - dev->resource->start + 1);
+ resource_size(dev->resource));
if (!info->map.virt) {
printk(KERN_ERR "IXP4XXFlash: Failed to ioremap region\n");
err = -EIO;
diff --git a/drivers/mtd/maps/omap_nor.c b/drivers/mtd/maps/omap_nor.c
index a24478102b11..ead0b2fab670 100644
--- a/drivers/mtd/maps/omap_nor.c
+++ b/drivers/mtd/maps/omap_nor.c
@@ -45,7 +45,7 @@
#include <asm/io.h>
#include <mach/hardware.h>
#include <asm/mach/flash.h>
-#include <mach/tc.h>
+#include <plat/tc.h>
#ifdef CONFIG_MTD_PARTITIONS
static const char *part_probes[] = { /* "RedBoot", */ "cmdlinepart", NULL };
diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index d600c2deff73..689d6a79ffc0 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -118,11 +118,9 @@ static caddr_t remap_window(struct map_info *map, unsigned long to)
DEBUG(2, "Remapping window from 0x%8.8x to 0x%8.8x",
dev->offset, mrq.CardOffset);
mrq.Page = 0;
- ret = pcmcia_map_mem_page(win, &mrq);
- if (ret != 0) {
- cs_error(dev->p_dev, MapMemPage, ret);
+ ret = pcmcia_map_mem_page(dev->p_dev, win, &mrq);
+ if (ret != 0)
return NULL;
- }
dev->offset = mrq.CardOffset;
}
return dev->win_base + (to & (dev->win_size-1));
@@ -327,8 +325,6 @@ static void pcmciamtd_set_vpp(struct map_info *map, int on)
DEBUG(2, "dev = %p on = %d vpp = %d\n", dev, on, dev->vpp);
ret = pcmcia_modify_configuration(link, &mod);
- if (ret != 0)
- cs_error(link, ModifyConfiguration, ret);
}
@@ -348,107 +344,116 @@ static void pcmciamtd_release(struct pcmcia_device *link)
iounmap(dev->win_base);
dev->win_base = NULL;
}
- pcmcia_release_window(link->win);
+ pcmcia_release_window(link, link->win);
}
pcmcia_disable_device(link);
}
-static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, int *new_name)
+#ifdef CONFIG_MTD_DEBUG
+static int pcmciamtd_cistpl_format(struct pcmcia_device *p_dev,
+ tuple_t *tuple,
+ void *priv_data)
{
- int rc;
- tuple_t tuple;
cisparse_t parse;
- u_char buf[64];
-
- tuple.Attributes = 0;
- tuple.TupleData = (cisdata_t *)buf;
- tuple.TupleDataMax = sizeof(buf);
- tuple.TupleOffset = 0;
- tuple.DesiredTuple = RETURN_FIRST_TUPLE;
-
- rc = pcmcia_get_first_tuple(link, &tuple);
- while (rc == 0) {
- rc = pcmcia_get_tuple_data(link, &tuple);
- if (rc != 0) {
- cs_error(link, GetTupleData, rc);
- break;
- }
- rc = pcmcia_parse_tuple(&tuple, &parse);
- if (rc != 0) {
- cs_error(link, ParseTuple, rc);
- break;
- }
- switch(tuple.TupleCode) {
- case CISTPL_FORMAT: {
- cistpl_format_t *t = &parse.format;
- (void)t; /* Shut up, gcc */
- DEBUG(2, "Format type: %u, Error Detection: %u, offset = %u, length =%u",
- t->type, t->edc, t->offset, t->length);
- break;
+ if (!pcmcia_parse_tuple(tuple, &parse)) {
+ cistpl_format_t *t = &parse.format;
+ (void)t; /* Shut up, gcc */
+ DEBUG(2, "Format type: %u, Error Detection: %u, offset = %u, length =%u",
+ t->type, t->edc, t->offset, t->length);
+ }
+ return -ENOSPC;
+}
- }
+static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev,
+ tuple_t *tuple,
+ void *priv_data)
+{
+ cisparse_t parse;
+ int i;
- case CISTPL_DEVICE: {
- cistpl_device_t *t = &parse.device;
- int i;
- DEBUG(2, "Common memory:");
- dev->pcmcia_map.size = t->dev[0].size;
- for(i = 0; i < t->ndev; i++) {
- DEBUG(2, "Region %d, type = %u", i, t->dev[i].type);
- DEBUG(2, "Region %d, wp = %u", i, t->dev[i].wp);
- DEBUG(2, "Region %d, speed = %u ns", i, t->dev[i].speed);
- DEBUG(2, "Region %d, size = %u bytes", i, t->dev[i].size);
- }
- break;
- }
+ if (!pcmcia_parse_tuple(tuple, &parse)) {
+ cistpl_jedec_t *t = &parse.jedec;
+ for (i = 0; i < t->nid; i++)
+ DEBUG(2, "JEDEC: 0x%02x 0x%02x", t->id[i].mfr, t->id[i].info);
+ }
+ return -ENOSPC;
+}
+#endif
- case CISTPL_VERS_1: {
- cistpl_vers_1_t *t = &parse.version_1;
- int i;
- if(t->ns) {
- dev->mtd_name[0] = '\0';
- for(i = 0; i < t->ns; i++) {
- if(i)
- strcat(dev->mtd_name, " ");
- strcat(dev->mtd_name, t->str+t->ofs[i]);
- }
- }
- DEBUG(2, "Found name: %s", dev->mtd_name);
- break;
- }
+static int pcmciamtd_cistpl_device(struct pcmcia_device *p_dev,
+ tuple_t *tuple,
+ void *priv_data)
+{
+ struct pcmciamtd_dev *dev = priv_data;
+ cisparse_t parse;
+ cistpl_device_t *t = &parse.device;
+ int i;
- case CISTPL_JEDEC_C: {
- cistpl_jedec_t *t = &parse.jedec;
- int i;
- for(i = 0; i < t->nid; i++) {
- DEBUG(2, "JEDEC: 0x%02x 0x%02x", t->id[i].mfr, t->id[i].info);
- }
- break;
- }
+ if (pcmcia_parse_tuple(tuple, &parse))
+ return -EINVAL;
+
+ DEBUG(2, "Common memory:");
+ dev->pcmcia_map.size = t->dev[0].size;
+ /* from here on: DEBUG only */
+ for (i = 0; i < t->ndev; i++) {
+ DEBUG(2, "Region %d, type = %u", i, t->dev[i].type);
+ DEBUG(2, "Region %d, wp = %u", i, t->dev[i].wp);
+ DEBUG(2, "Region %d, speed = %u ns", i, t->dev[i].speed);
+ DEBUG(2, "Region %d, size = %u bytes", i, t->dev[i].size);
+ }
+ return 0;
+}
- case CISTPL_DEVICE_GEO: {
- cistpl_device_geo_t *t = &parse.device_geo;
- int i;
- dev->pcmcia_map.bankwidth = t->geo[0].buswidth;
- for(i = 0; i < t->ngeo; i++) {
- DEBUG(2, "region: %d bankwidth = %u", i, t->geo[i].buswidth);
- DEBUG(2, "region: %d erase_block = %u", i, t->geo[i].erase_block);
- DEBUG(2, "region: %d read_block = %u", i, t->geo[i].read_block);
- DEBUG(2, "region: %d write_block = %u", i, t->geo[i].write_block);
- DEBUG(2, "region: %d partition = %u", i, t->geo[i].partition);
- DEBUG(2, "region: %d interleave = %u", i, t->geo[i].interleave);
- }
- break;
- }
+static int pcmciamtd_cistpl_geo(struct pcmcia_device *p_dev,
+ tuple_t *tuple,
+ void *priv_data)
+{
+ struct pcmciamtd_dev *dev = priv_data;
+ cisparse_t parse;
+ cistpl_device_geo_t *t = &parse.device_geo;
+ int i;
- default:
- DEBUG(2, "Unknown tuple code %d", tuple.TupleCode);
- }
+ if (pcmcia_parse_tuple(tuple, &parse))
+ return -EINVAL;
+
+ dev->pcmcia_map.bankwidth = t->geo[0].buswidth;
+ /* from here on: DEBUG only */
+ for (i = 0; i < t->ngeo; i++) {
+ DEBUG(2, "region: %d bankwidth = %u", i, t->geo[i].buswidth);
+ DEBUG(2, "region: %d erase_block = %u", i, t->geo[i].erase_block);
+ DEBUG(2, "region: %d read_block = %u", i, t->geo[i].read_block);
+ DEBUG(2, "region: %d write_block = %u", i, t->geo[i].write_block);
+ DEBUG(2, "region: %d partition = %u", i, t->geo[i].partition);
+ DEBUG(2, "region: %d interleave = %u", i, t->geo[i].interleave);
+ }
+ return 0;
+}
+
+
+static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, int *new_name)
+{
+ int i;
- rc = pcmcia_get_next_tuple(link, &tuple);
+ if (p_dev->prod_id[0]) {
+ dev->mtd_name[0] = '\0';
+ for (i = 0; i < 4; i++) {
+ if (i)
+ strcat(dev->mtd_name, " ");
+ if (p_dev->prod_id[i])
+ strcat(dev->mtd_name, p_dev->prod_id[i]);
+ }
+ DEBUG(2, "Found name: %s", dev->mtd_name);
}
+
+#ifdef CONFIG_MTD_DEBUG
+ pcmcia_loop_tuple(p_dev, CISTPL_FORMAT, pcmciamtd_cistpl_format, NULL);
+ pcmcia_loop_tuple(p_dev, CISTPL_JEDEC_C, pcmciamtd_cistpl_jedec, NULL);
+#endif
+ pcmcia_loop_tuple(p_dev, CISTPL_DEVICE, pcmciamtd_cistpl_device, dev);
+ pcmcia_loop_tuple(p_dev, CISTPL_DEVICE_GEO, pcmciamtd_cistpl_geo, dev);
+
if(!dev->pcmcia_map.size)
dev->pcmcia_map.size = MAX_PCMCIA_ADDR;
@@ -481,16 +486,12 @@ static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link,
* MTD device available to the system.
*/
-#define CS_CHECK(fn, ret) \
-do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
-
static int pcmciamtd_config(struct pcmcia_device *link)
{
struct pcmciamtd_dev *dev = link->priv;
struct mtd_info *mtd = NULL;
cs_status_t status;
win_req_t req;
- int last_ret = 0, last_fn = 0;
int ret;
int i;
static char *probes[] = { "jedec_probe", "cfi_probe" };
@@ -529,7 +530,7 @@ static int pcmciamtd_config(struct pcmcia_device *link)
int ret;
DEBUG(2, "requesting window with size = %dKiB memspeed = %d",
req.Size >> 10, req.AccessSpeed);
- ret = pcmcia_request_window(&link, &req, &link->win);
+ ret = pcmcia_request_window(link, &req, &link->win);
DEBUG(2, "ret = %d dev->win_size = %d", ret, dev->win_size);
if(ret) {
req.Size >>= 1;
@@ -577,7 +578,6 @@ static int pcmciamtd_config(struct pcmcia_device *link)
DEBUG(2, "Setting Configuration");
ret = pcmcia_request_configuration(link, &link->conf);
if (ret != 0) {
- cs_error(link, RequestConfiguration, ret);
if (dev->win_base) {
iounmap(dev->win_base);
dev->win_base = NULL;
@@ -652,8 +652,7 @@ static int pcmciamtd_config(struct pcmcia_device *link)
link->dev_node = &dev->node;
return 0;
- cs_failed:
- cs_error(link, last_fn, last_ret);
+ failed:
err("CS Error, exiting");
pcmciamtd_release(link);
return -ENODEV;
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 380648e9051a..d9603f7f9652 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -48,23 +48,22 @@ static int physmap_flash_remove(struct platform_device *dev)
if (info->cmtd) {
#ifdef CONFIG_MTD_PARTITIONS
- if (info->nr_parts || physmap_data->nr_parts)
+ if (info->nr_parts || physmap_data->nr_parts) {
del_mtd_partitions(info->cmtd);
- else
+
+ if (info->nr_parts)
+ kfree(info->parts);
+ } else {
del_mtd_device(info->cmtd);
+ }
#else
del_mtd_device(info->cmtd);
#endif
- }
-#ifdef CONFIG_MTD_PARTITIONS
- if (info->nr_parts)
- kfree(info->parts);
-#endif
-
#ifdef CONFIG_MTD_CONCAT
- if (info->cmtd != info->mtd[0])
- mtd_concat_destroy(info->cmtd);
+ if (info->cmtd != info->mtd[0])
+ mtd_concat_destroy(info->cmtd);
#endif
+ }
for (i = 0; i < MAX_RESOURCES; i++) {
if (info->mtd[i] != NULL)
@@ -130,7 +129,7 @@ static int physmap_flash_probe(struct platform_device *dev)
info->map[i].size);
if (info->map[i].virt == NULL) {
dev_err(&dev->dev, "Failed to ioremap flash region\n");
- err = EIO;
+ err = -EIO;
goto err_out;
}
diff --git a/drivers/mtd/maps/pismo.c b/drivers/mtd/maps/pismo.c
new file mode 100644
index 000000000000..c48cad271f5d
--- /dev/null
+++ b/drivers/mtd/maps/pismo.c
@@ -0,0 +1,320 @@
+/*
+ * PISMO memory driver - http://www.pismoworld.org/
+ *
+ * For ARM Realview and Versatile platforms
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License.
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/spinlock.h>
+#include <linux/mutex.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/plat-ram.h>
+#include <linux/mtd/pismo.h>
+
+#define PISMO_NUM_CS 5
+
+struct pismo_cs_block {
+ u8 type;
+ u8 width;
+ __le16 access;
+ __le32 size;
+ u32 reserved[2];
+ char device[32];
+} __packed;
+
+struct pismo_eeprom {
+ struct pismo_cs_block cs[PISMO_NUM_CS];
+ char board[15];
+ u8 sum;
+} __packed;
+
+struct pismo_mem {
+ phys_addr_t base;
+ u32 size;
+ u16 access;
+ u8 width;
+ u8 type;
+};
+
+struct pismo_data {
+ struct i2c_client *client;
+ void (*vpp)(void *, int);
+ void *vpp_data;
+ struct platform_device *dev[PISMO_NUM_CS];
+};
+
+/* FIXME: set_vpp could do with a better calling convention */
+static struct pismo_data *vpp_pismo;
+static DEFINE_MUTEX(pismo_mutex);
+
+static int pismo_setvpp_probe_fix(struct pismo_data *pismo)
+{
+ mutex_lock(&pismo_mutex);
+ if (vpp_pismo) {
+ mutex_unlock(&pismo_mutex);
+ kfree(pismo);
+ return -EBUSY;
+ }
+ vpp_pismo = pismo;
+ mutex_unlock(&pismo_mutex);
+ return 0;
+}
+
+static void pismo_setvpp_remove_fix(struct pismo_data *pismo)
+{
+ mutex_lock(&pismo_mutex);
+ if (vpp_pismo == pismo)
+ vpp_pismo = NULL;
+ mutex_unlock(&pismo_mutex);
+}
+
+static void pismo_set_vpp(struct map_info *map, int on)
+{
+ struct pismo_data *pismo = vpp_pismo;
+
+ pismo->vpp(pismo->vpp_data, on);
+}
+/* end of hack */
+
+
+static unsigned int __devinit pismo_width_to_bytes(unsigned int width)
+{
+ width &= 15;
+ if (width > 2)
+ return 0;
+ return 1 << width;
+}
+
+static int __devinit pismo_eeprom_read(struct i2c_client *client, void *buf,
+ u8 addr, size_t size)
+{
+ int ret;
+ struct i2c_msg msg[] = {
+ {
+ .addr = client->addr,
+ .len = sizeof(addr),
+ .buf = &addr,
+ }, {
+ .addr = client->addr,
+ .flags = I2C_M_RD,
+ .len = size,
+ .buf = buf,
+ },
+ };
+
+ ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));
+
+ return ret == ARRAY_SIZE(msg) ? size : -EIO;
+}
+
+static int __devinit pismo_add_device(struct pismo_data *pismo, int i,
+ struct pismo_mem *region, const char *name, void *pdata, size_t psize)
+{
+ struct platform_device *dev;
+ struct resource res = { };
+ phys_addr_t base = region.base;
+ int ret;
+
+ if (base == ~0)
+ return -ENXIO;
+
+ res.start = base;
+ res.end = base + region->size - 1;
+ res.flags = IORESOURCE_MEM;
+
+ dev = platform_device_alloc(name, i);
+ if (!dev)
+ return -ENOMEM;
+ dev->dev.parent = &pismo->client->dev;
+
+ do {
+ ret = platform_device_add_resources(dev, &res, 1);
+ if (ret)
+ break;
+
+ ret = platform_device_add_data(dev, pdata, psize);
+ if (ret)
+ break;
+
+ ret = platform_device_add(dev);
+ if (ret)
+ break;
+
+ pismo->dev[i] = dev;
+ return 0;
+ } while (0);
+
+ platform_device_put(dev);
+ return ret;
+}
+
+static int __devinit pismo_add_nor(struct pismo_data *pismo, int i,
+ struct pismo_mem *region)
+{
+ struct physmap_flash_data data = {
+ .width = region->width,
+ };
+
+ if (pismo->vpp)
+ data.set_vpp = pismo_set_vpp;
+
+ return pismo_add_device(pismo, i, region, "physmap-flash",
+ &data, sizeof(data));
+}
+
+static int __devinit pismo_add_sram(struct pismo_data *pismo, int i,
+ struct pismo_mem *region)
+{
+ struct platdata_mtd_ram data = {
+ .bankwidth = region->width,
+ };
+
+ return pismo_add_device(pismo, i, region, "mtd-ram",
+ &data, sizeof(data));
+}
+
+static void __devinit pismo_add_one(struct pismo_data *pismo, int i,
+ const struct pismo_cs_block *cs, phys_addr_t base)
+{
+ struct device *dev = &pismo->client->dev;
+ struct pismo_mem region;
+
+ region.base = base;
+ region.type = cs->type;
+ region.width = pismo_width_to_bytes(cs->width);
+ region.access = le16_to_cpu(cs->access);
+ region.size = le32_to_cpu(cs->size);
+
+ if (region.width == 0) {
+ dev_err(dev, "cs%u: bad width: %02x, ignoring\n", i, cs->width);
+ return;
+ }
+
+ /*
+ * FIXME: may need to the platforms memory controller here, but at
+ * the moment we assume that it has already been correctly setup.
+ * The memory controller can also tell us the base address as well.
+ */
+
+ dev_info(dev, "cs%u: %.32s: type %02x access %u00ps size %uK\n",
+ i, cs->device, region.type, region.access, region.size / 1024);
+
+ switch (region.type) {
+ case 0:
+ break;
+ case 1:
+ /* static DOC */
+ break;
+ case 2:
+ /* static NOR */
+ pismo_add_nor(pismo, i, &region);
+ break;
+ case 3:
+ /* static RAM */
+ pismo_add_sram(pismo, i, &region);
+ break;
+ }
+}
+
+static int __devexit pismo_remove(struct i2c_client *client)
+{
+ struct pismo_data *pismo = i2c_get_clientdata(client);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(pismo->dev); i++)
+ platform_device_unregister(pismo->dev[i]);
+
+ /* FIXME: set_vpp needs saner arguments */
+ pismo_setvpp_remove_fix(pismo);
+
+ kfree(pismo);
+
+ return 0;
+}
+
+static int __devinit pismo_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
+ struct pismo_pdata *pdata = client->dev.platform_data;
+ struct pismo_eeprom eeprom;
+ struct pismo_data *pismo;
+ int ret, i;
+
+ if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) {
+ dev_err(&client->dev, "functionality mismatch\n");
+ return -EIO;
+ }
+
+ pismo = kzalloc(sizeof(*pismo), GFP_KERNEL);
+ if (!pismo)
+ return -ENOMEM;
+
+ /* FIXME: set_vpp needs saner arguments */
+ ret = pismo_setvpp_probe_fix(pismo);
+ if (ret)
+ return ret;
+
+ pismo->client = client;
+ if (pdata) {
+ pismo->vpp = pdata->set_vpp;
+ pismo->vpp_data = pdata->vpp_data;
+ }
+ i2c_set_clientdata(client, pismo);
+
+ ret = pismo_eeprom_read(client, &eeprom, 0, sizeof(eeprom));
+ if (ret < 0) {
+ dev_err(&client->dev, "error reading EEPROM: %d\n", ret);
+ return ret;
+ }
+
+ dev_info(&client->dev, "%.15s board found\n", eeprom.board);
+
+ for (i = 0; i < ARRAY_SIZE(eeprom.cs); i++)
+ if (eeprom.cs[i].type != 0xff)
+ pismo_add_one(pismo, i, &eeprom.cs[i],
+ pdata->cs_addrs[i]);
+
+ return 0;
+}
+
+static const struct i2c_device_id pismo_id[] = {
+ { "pismo" },
+ { },
+};
+MODULE_DEVICE_TABLE(i2c, pismo_id);
+
+static struct i2c_driver pismo_driver = {
+ .driver = {
+ .name = "pismo",
+ .owner = THIS_MODULE,
+ },
+ .probe = pismo_probe,
+ .remove = __devexit_p(pismo_remove),
+ .id_table = pismo_id,
+};
+
+static int __init pismo_init(void)
+{
+ BUILD_BUG_ON(sizeof(struct pismo_cs_block) != 48);
+ BUILD_BUG_ON(sizeof(struct pismo_eeprom) != 256);
+
+ return i2c_add_driver(&pismo_driver);
+}
+module_init(pismo_init);
+
+static void __exit pismo_exit(void)
+{
+ i2c_del_driver(&pismo_driver);
+}
+module_exit(pismo_exit);
+
+MODULE_AUTHOR("Russell King <linux@arm.linux.org.uk>");
+MODULE_DESCRIPTION("PISMO memory driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index 74fa075c838a..b13f6417b5b2 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -20,14 +20,23 @@
#include <asm/io.h>
#include <mach/hardware.h>
-#include <asm/cacheflush.h>
#include <asm/mach/flash.h>
+#define CACHELINESIZE 32
+
static void pxa2xx_map_inval_cache(struct map_info *map, unsigned long from,
ssize_t len)
{
- flush_ioremap_region(map->phys, map->cached, from, len);
+ unsigned long start = (unsigned long)map->cached + from;
+ unsigned long end = start + len;
+
+ start &= ~(CACHELINESIZE - 1);
+ while (start < end) {
+ /* invalidate D cache line */
+ asm volatile ("mcr p15, 0, %0, c7, c6, 1" : : "r" (start));
+ start += CACHELINESIZE;
+ }
}
struct pxa2xx_flash_info {
diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index d7a47574d21e..f3af87e08ecd 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -248,7 +248,7 @@ static void sa1100_destroy(struct sa_info *info, struct flash_platform_data *pla
plat->exit();
}
-static struct sa_info *__init
+static struct sa_info *__devinit
sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *plat)
{
struct sa_info *info;
diff --git a/drivers/mtd/maps/vmu-flash.c b/drivers/mtd/maps/vmu-flash.c
index 1f73297e7776..82afad0ddd72 100644
--- a/drivers/mtd/maps/vmu-flash.c
+++ b/drivers/mtd/maps/vmu-flash.c
@@ -612,16 +612,15 @@ static int __devinit vmu_connect(struct maple_device *mdev)
test_flash_data = be32_to_cpu(mdev->devinfo.function);
/* Need to count how many bits are set - to find out which
- * function_data element has details of the memory card:
- * using Brian Kernighan's/Peter Wegner's method */
- for (c = 0; test_flash_data; c++)
- test_flash_data &= test_flash_data - 1;
+ * function_data element has details of the memory card
+ */
+ c = hweight_long(test_flash_data);
basic_flash_data = be32_to_cpu(mdev->devinfo.function_data[c - 1]);
card = kmalloc(sizeof(struct memcard), GFP_KERNEL);
if (!card) {
- error = ENOMEM;
+ error = -ENOMEM;
goto fail_nomem;
}
OpenPOWER on IntegriCloud