aboutsummaryrefslogtreecommitdiff
path: root/drivers/mtd
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/maps/Kconfig16
-rw-r--r--drivers/mtd/maps/Makefile3
-rw-r--r--drivers/mtd/maps/lubbock-flash.c170
-rw-r--r--drivers/mtd/maps/mainstone-flash.c181
-rw-r--r--drivers/mtd/maps/pxa2xx-flash.c200
5 files changed, 205 insertions, 365 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 1c9716381fe..7559950e42d 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -163,20 +163,12 @@ config MTD_SBC_GXX
More info at
<http://www.arcomcontrols.com/products/icp/pc104/processors/SBC_GX1.htm>.
-config MTD_LUBBOCK
- tristate "CFI Flash device mapped on Intel Lubbock XScale eval board"
- depends on ARCH_LUBBOCK && MTD_CFI_INTELEXT && MTD_PARTITIONS
- help
- This provides a driver for the on-board flash of the Intel
- 'Lubbock' XScale evaluation board.
-
-config MTD_MAINSTONE
- tristate "CFI Flash device mapped on Intel Mainstone XScale eval board"
- depends on MACH_MAINSTONE && MTD_CFI_INTELEXT
+config MTD_PXA2XX
+ tristate "CFI Flash device mapped on Intel XScale PXA2xx based boards"
+ depends on (PXA25x || PXA27x) && MTD_CFI_INTELEXT
select MTD_PARTITIONS
help
- This provides a driver for the on-board flash of the Intel
- 'Mainstone PXA27x evaluation board.
+ This provides a driver for the NOR flash attached to a PXA2xx chip.
config MTD_OCTAGON
tristate "JEDEC Flash device mapped on Octagon 5066 SBC"
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index 53fa2b55b49..1313eee61af 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -20,8 +20,7 @@ obj-$(CONFIG_MTD_ESB2ROM) += esb2rom.o
obj-$(CONFIG_MTD_ICHXROM) += ichxrom.o
obj-$(CONFIG_MTD_CK804XROM) += ck804xrom.o
obj-$(CONFIG_MTD_TSUNAMI) += tsunami_flash.o
-obj-$(CONFIG_MTD_LUBBOCK) += lubbock-flash.o
-obj-$(CONFIG_MTD_MAINSTONE) += mainstone-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
diff --git a/drivers/mtd/maps/lubbock-flash.c b/drivers/mtd/maps/lubbock-flash.c
deleted file mode 100644
index 1aa0447c5e6..00000000000
--- a/drivers/mtd/maps/lubbock-flash.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * $Id: lubbock-flash.c,v 1.21 2005/11/07 11:14:27 gleixner Exp $
- *
- * Map driver for the Lubbock developer platform.
- *
- * Author: Nicolas Pitre
- * Copyright: (C) 2001 MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-
-#include <linux/dma-mapping.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-#include <asm/io.h>
-#include <asm/hardware.h>
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/lubbock.h>
-
-
-#define ROM_ADDR 0x00000000
-#define FLASH_ADDR 0x04000000
-
-#define WINDOW_SIZE 64*1024*1024
-
-static void lubbock_map_inval_cache(struct map_info *map, unsigned long from, ssize_t len)
-{
- consistent_sync((char *)map->cached + from, len, DMA_FROM_DEVICE);
-}
-
-static struct map_info lubbock_maps[2] = { {
- .size = WINDOW_SIZE,
- .phys = 0x00000000,
- .inval_cache = lubbock_map_inval_cache,
-}, {
- .size = WINDOW_SIZE,
- .phys = 0x04000000,
- .inval_cache = lubbock_map_inval_cache,
-} };
-
-static struct mtd_partition lubbock_partitions[] = {
- {
- .name = "Bootloader",
- .size = 0x00040000,
- .offset = 0,
- .mask_flags = MTD_WRITEABLE /* force read-only */
- },{
- .name = "Kernel",
- .size = 0x00100000,
- .offset = 0x00040000,
- },{
- .name = "Filesystem",
- .size = MTDPART_SIZ_FULL,
- .offset = 0x00140000
- }
-};
-
-static struct mtd_info *mymtds[2];
-static struct mtd_partition *parsed_parts[2];
-static int nr_parsed_parts[2];
-
-static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
-
-static int __init init_lubbock(void)
-{
- int flashboot = (LUB_CONF_SWITCHES & 1);
- int ret = 0, i;
-
- lubbock_maps[0].bankwidth = lubbock_maps[1].bankwidth =
- (BOOT_DEF & 1) ? 2 : 4;
-
- /* Compensate for the nROMBT switch which swaps the flash banks */
- printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
- flashboot?"Flash":"ROM", flashboot);
-
- lubbock_maps[flashboot^1].name = "Lubbock Application Flash";
- lubbock_maps[flashboot].name = "Lubbock Boot ROM";
-
- for (i = 0; i < 2; i++) {
- lubbock_maps[i].virt = ioremap(lubbock_maps[i].phys, WINDOW_SIZE);
- if (!lubbock_maps[i].virt) {
- printk(KERN_WARNING "Failed to ioremap %s\n", lubbock_maps[i].name);
- if (!ret)
- ret = -ENOMEM;
- continue;
- }
- lubbock_maps[i].cached = ioremap_cached(lubbock_maps[i].phys, WINDOW_SIZE);
- if (!lubbock_maps[i].cached)
- printk(KERN_WARNING "Failed to ioremap cached %s\n", lubbock_maps[i].name);
- simple_map_init(&lubbock_maps[i]);
-
- printk(KERN_NOTICE "Probing %s at physical address 0x%08lx (%d-bit bankwidth)\n",
- lubbock_maps[i].name, lubbock_maps[i].phys,
- lubbock_maps[i].bankwidth * 8);
-
- mymtds[i] = do_map_probe("cfi_probe", &lubbock_maps[i]);
-
- if (!mymtds[i]) {
- iounmap((void *)lubbock_maps[i].virt);
- if (lubbock_maps[i].cached)
- iounmap(lubbock_maps[i].cached);
- if (!ret)
- ret = -EIO;
- continue;
- }
- mymtds[i]->owner = THIS_MODULE;
-
- ret = parse_mtd_partitions(mymtds[i], probes,
- &parsed_parts[i], 0);
-
- if (ret > 0)
- nr_parsed_parts[i] = ret;
- }
-
- if (!mymtds[0] && !mymtds[1])
- return ret;
-
- for (i = 0; i < 2; i++) {
- if (!mymtds[i]) {
- printk(KERN_WARNING "%s is absent. Skipping\n", lubbock_maps[i].name);
- } else if (nr_parsed_parts[i]) {
- add_mtd_partitions(mymtds[i], parsed_parts[i], nr_parsed_parts[i]);
- } else if (!i) {
- printk("Using static partitions on %s\n", lubbock_maps[i].name);
- add_mtd_partitions(mymtds[i], lubbock_partitions, ARRAY_SIZE(lubbock_partitions));
- } else {
- printk("Registering %s as whole device\n", lubbock_maps[i].name);
- add_mtd_device(mymtds[i]);
- }
- }
- return 0;
-}
-
-static void __exit cleanup_lubbock(void)
-{
- int i;
- for (i = 0; i < 2; i++) {
- if (!mymtds[i])
- continue;
-
- if (nr_parsed_parts[i] || !i)
- del_mtd_partitions(mymtds[i]);
- else
- del_mtd_device(mymtds[i]);
-
- map_destroy(mymtds[i]);
- iounmap((void *)lubbock_maps[i].virt);
- if (lubbock_maps[i].cached)
- iounmap(lubbock_maps[i].cached);
-
- kfree(parsed_parts[i]);
- }
-}
-
-module_init(init_lubbock);
-module_exit(cleanup_lubbock);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Nicolas Pitre <nico@cam.org>");
-MODULE_DESCRIPTION("MTD map driver for Intel Lubbock");
diff --git a/drivers/mtd/maps/mainstone-flash.c b/drivers/mtd/maps/mainstone-flash.c
deleted file mode 100644
index eaa4bbb868a..00000000000
--- a/drivers/mtd/maps/mainstone-flash.c
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * $Id: $
- *
- * Map driver for the Mainstone developer platform.
- *
- * Author: Nicolas Pitre
- * Copyright: (C) 2001 MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/dma-mapping.h>
-#include <linux/slab.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-#include <asm/io.h>
-#include <asm/hardware.h>
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/mainstone.h>
-
-
-#define ROM_ADDR 0x00000000
-#define FLASH_ADDR 0x04000000
-
-#define WINDOW_SIZE 0x04000000
-
-static void mainstone_map_inval_cache(struct map_info *map, unsigned long from,
- ssize_t len)
-{
- consistent_sync((char *)map->cached + from, len, DMA_FROM_DEVICE);
-}
-
-static struct map_info mainstone_maps[2] = { {
- .size = WINDOW_SIZE,
- .phys = PXA_CS0_PHYS,
- .inval_cache = mainstone_map_inval_cache,
-}, {
- .size = WINDOW_SIZE,
- .phys = PXA_CS1_PHYS,
- .inval_cache = mainstone_map_inval_cache,
-} };
-
-static struct mtd_partition mainstone_partitions[] = {
- {
- .name = "Bootloader",
- .size = 0x00040000,
- .offset = 0,
- .mask_flags = MTD_WRITEABLE /* force read-only */
- },{
- .name = "Kernel",
- .size = 0x00400000,
- .offset = 0x00040000,
- },{
- .name = "Filesystem",
- .size = MTDPART_SIZ_FULL,
- .offset = 0x00440000
- }
-};
-
-static struct mtd_info *mymtds[2];
-static struct mtd_partition *parsed_parts[2];
-static int nr_parsed_parts[2];
-
-static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
-
-static int __init init_mainstone(void)
-{
- int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
- int ret = 0, i;
-
- mainstone_maps[0].bankwidth = (BOOT_DEF & 1) ? 2 : 4;
- mainstone_maps[1].bankwidth = 4;
-
- /* Compensate for SW7 which swaps the flash banks */
- mainstone_maps[SW7].name = "processor flash";
- mainstone_maps[SW7 ^ 1].name = "main board flash";
-
- printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
- mainstone_maps[0].name);
-
- for (i = 0; i < 2; i++) {
- mainstone_maps[i].virt = ioremap(mainstone_maps[i].phys,
- WINDOW_SIZE);
- if (!mainstone_maps[i].virt) {
- printk(KERN_WARNING "Failed to ioremap %s\n",
- mainstone_maps[i].name);
- if (!ret)
- ret = -ENOMEM;
- continue;
- }
- mainstone_maps[i].cached =
- ioremap_cached(mainstone_maps[i].phys, WINDOW_SIZE);
- if (!mainstone_maps[i].cached)
- printk(KERN_WARNING "Failed to ioremap cached %s\n",
- mainstone_maps[i].name);
- simple_map_init(&mainstone_maps[i]);
-
- printk(KERN_NOTICE
- "Probing %s at physical address 0x%08lx"
- " (%d-bit bankwidth)\n",
- mainstone_maps[i].name, mainstone_maps[i].phys,
- mainstone_maps[i].bankwidth * 8);
-
- mymtds[i] = do_map_probe("cfi_probe", &mainstone_maps[i]);
-
- if (!mymtds[i]) {
- iounmap((void *)mainstone_maps[i].virt);
- if (mainstone_maps[i].cached)
- iounmap(mainstone_maps[i].cached);
- if (!ret)
- ret = -EIO;
- continue;
- }
- mymtds[i]->owner = THIS_MODULE;
-
- ret = parse_mtd_partitions(mymtds[i], probes,
- &parsed_parts[i], 0);
-
- if (ret > 0)
- nr_parsed_parts[i] = ret;
- }
-
- if (!mymtds[0] && !mymtds[1])
- return ret;
-
- for (i = 0; i < 2; i++) {
- if (!mymtds[i]) {
- printk(KERN_WARNING "%s is absent. Skipping\n",
- mainstone_maps[i].name);
- } else if (nr_parsed_parts[i]) {
- add_mtd_partitions(mymtds[i], parsed_parts[i],
- nr_parsed_parts[i]);
- } else if (!i) {
- printk("Using static partitions on %s\n",
- mainstone_maps[i].name);
- add_mtd_partitions(mymtds[i], mainstone_partitions,
- ARRAY_SIZE(mainstone_partitions));
- } else {
- printk("Registering %s as whole device\n",
- mainstone_maps[i].name);
- add_mtd_device(mymtds[i]);
- }
- }
- return 0;
-}
-
-static void __exit cleanup_mainstone(void)
-{
- int i;
- for (i = 0; i < 2; i++) {
- if (!mymtds[i])
- continue;
-
- if (nr_parsed_parts[i] || !i)
- del_mtd_partitions(mymtds[i]);
- else
- del_mtd_device(mymtds[i]);
-
- map_destroy(mymtds[i]);
- iounmap((void *)mainstone_maps[i].virt);
- if (mainstone_maps[i].cached)
- iounmap(mainstone_maps[i].cached);
- kfree(parsed_parts[i]);
- }
-}
-
-module_init(init_mainstone);
-module_exit(cleanup_mainstone);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Nicolas Pitre <nico@cam.org>");
-MODULE_DESCRIPTION("MTD map driver for Intel Mainstone");
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
new file mode 100644
index 00000000000..cb933ac475d
--- /dev/null
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -0,0 +1,200 @@
+/*
+ * Map driver for Intel XScale PXA2xx platforms.
+ *
+ * Author: Nicolas Pitre
+ * Copyright: (C) 2001 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/io.h>
+#include <asm/hardware.h>
+
+#include <asm/mach/flash.h>
+
+static void pxa2xx_map_inval_cache(struct map_info *map, unsigned long from,
+ ssize_t len)
+{
+ consistent_sync((char *)map->cached + from, len, DMA_FROM_DEVICE);
+}
+
+struct pxa2xx_flash_info {
+ struct mtd_partition *parts;
+ int nr_parts;
+ struct mtd_info *mtd;
+ struct map_info map;
+};
+
+
+static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
+
+
+static int __init pxa2xx_flash_probe(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct flash_platform_data *flash = pdev->dev.platform_data;
+ struct pxa2xx_flash_info *info;
+ struct mtd_partition *parts;
+ struct resource *res;
+ int ret = 0;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
+
+ info = kmalloc(sizeof(struct pxa2xx_flash_info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ memset(info, 0, sizeof(struct pxa2xx_flash_info));
+ info->map.name = (char *) flash->name;
+ info->map.bankwidth = flash->width;
+ info->map.phys = res->start;
+ info->map.size = res->end - res->start + 1;
+ info->parts = flash->parts;
+ info->nr_parts = flash->nr_parts;
+
+ info->map.virt = ioremap(info->map.phys, info->map.size);
+ if (!info->map.virt) {
+ printk(KERN_WARNING "Failed to ioremap %s\n",
+ info->map.name);
+ return -ENOMEM;
+ }
+ info->map.cached =
+ ioremap_cached(info->map.phys, info->map.size);
+ if (!info->map.cached)
+ printk(KERN_WARNING "Failed to ioremap cached %s\n",
+ info->map.name);
+ info->map.inval_cache = pxa2xx_map_inval_cache;
+ simple_map_init(&info->map);
+
+ printk(KERN_NOTICE
+ "Probing %s at physical address 0x%08lx"
+ " (%d-bit bankwidth)\n",
+ info->map.name, (unsigned long)info->map.phys,
+ info->map.bankwidth * 8);
+
+ info->mtd = do_map_probe(flash->map_name, &info->map);
+
+ if (!info->mtd) {
+ iounmap((void *)info->map.virt);
+ if (info->map.cached)
+ iounmap(info->map.cached);
+ return -EIO;
+ }
+ info->mtd->owner = THIS_MODULE;
+
+#ifdef CONFIG_MTD_PARTITIONS
+ ret = parse_mtd_partitions(info->mtd, probes, &parts, 0);
+
+ if (ret > 0) {
+ info->nr_parts = ret;
+ info->parts = parts;
+ }
+#endif
+
+ if (info->nr_parts) {
+ add_mtd_partitions(info->mtd, info->parts,
+ info->nr_parts);
+ } else {
+ printk("Registering %s as whole device\n",
+ info->map.name);
+ add_mtd_device(info->mtd);
+ }
+
+ dev_set_drvdata(dev, info);
+ return 0;
+}
+
+static int __exit pxa2xx_flash_remove(struct device *dev)
+{
+ struct pxa2xx_flash_info *info = dev_get_drvdata(dev);
+
+ dev_set_drvdata(dev, NULL);
+
+#ifdef CONFIG_MTD_PARTITIONS
+ if (info->nr_parts)
+ del_mtd_partitions(info->mtd);
+ else
+#endif
+ del_mtd_device(info->mtd);
+
+ map_destroy(info->mtd);
+ iounmap(info->map.virt);
+ if (info->map.cached)
+ iounmap(info->map.cached);
+ kfree(info->parts);
+ kfree(info);
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int pxa2xx_flash_suspend(struct device *dev, pm_message_t state)
+{
+ struct pxa2xx_flash_info *info = dev_get_drvdata(dev);
+ int ret = 0;
+
+ if (info->mtd && info->mtd->suspend)
+ ret = info->mtd->suspend(info->mtd);
+ return ret;
+}
+
+static int pxa2xx_flash_resume(struct device *dev)
+{
+ struct pxa2xx_flash_info *info = dev_get_drvdata(dev);
+
+ if (info->mtd && info->mtd->resume)
+ info->mtd->resume(info->mtd);
+ return 0;
+}
+static void pxa2xx_flash_shutdown(struct device *dev)
+{
+ struct pxa2xx_flash_info *info = dev_get_drvdata(dev);
+
+ if (info && info->mtd->suspend(info->mtd) == 0)
+ info->mtd->resume(info->mtd);
+}
+#else
+#define pxa2xx_flash_suspend NULL
+#define pxa2xx_flash_resume NULL
+#define pxa2xx_flash_shutdown NULL
+#endif
+
+static struct device_driver pxa2xx_flash_driver = {
+ .name = "pxa2xx-flash",
+ .bus = &platform_bus_type,
+ .probe = pxa2xx_flash_probe,
+ .remove = __exit_p(pxa2xx_flash_remove),
+ .suspend = pxa2xx_flash_suspend,
+ .resume = pxa2xx_flash_resume,
+ .shutdown = pxa2xx_flash_shutdown,
+};
+
+static int __init init_pxa2xx_flash(void)
+{
+ return driver_register(&pxa2xx_flash_driver);
+}
+
+static void __exit cleanup_pxa2xx_flash(void)
+{
+ driver_unregister(&pxa2xx_flash_driver);
+}
+
+module_init(init_pxa2xx_flash);
+module_exit(cleanup_pxa2xx_flash);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Nicolas Pitre <nico@cam.org>");
+MODULE_DESCRIPTION("MTD map driver for Intel XScale PXA2xx");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 23:49:42 +0000