diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-20 09:03:12 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-20 09:03:12 -0700 |
commit | 2be508d847392e431759e370d21cea9412848758 (patch) | |
tree | be5e00a4d7be4ef353ffe4d550fb80a251d321c3 /drivers/mtd/maps | |
parent | 01e8ef11bc1a74e65678ed55795f59266d4add01 (diff) | |
parent | 8a1a6272057e2ad90ab531a70330165888866e60 (diff) |
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (69 commits)
Revert "[MTD] m25p80.c code cleanup"
[MTD] [NAND] GPIO driver depends on ARM... for now.
[MTD] [NAND] sh_flctl: fix compile error
[MTD] [NOR] AT49BV6416 has swapped erase regions
[MTD] [NAND] GPIO NAND flash driver
[MTD] cmdlineparts documentation change - explain where mtd-id comes from
[MTD] cfi_cmdset_0002.c: Add Macronix CFI V1.0 TopBottom detection
[MTD] [NAND] Fix compilation warnings in drivers/mtd/nand/cs553x_nand.c
[JFFS2] Write buffer offset adjustment for NOR-ECC (Sibley) flash
[MTD] mtdoops: Fix a bug where block may not be erased
[MTD] mtdoops: Add a magic number to logged kernel oops
[MTD] mtdoops: Fix an off by one error
[JFFS2] Correct parameter names of jffs2_compress() in comments
[MTD] [NAND] sh_flctl: add support for Renesas SuperH FLCTL
[MTD] [NAND] Bug on atmel_nand HW ECC : OOB info not correctly written
[MTD] [MAPS] Remove unused variable after ROM API cleanup.
[MTD] m25p80.c extended jedec support (v2)
[MTD] remove unused mtd parameter in of_mtd_parse_partitions()
[MTD] [NAND] remove dead Kconfig associated with !CONFIG_PPC_MERGE
[MTD] [NAND] driver extension to support NAND on TQM85xx modules
...
Diffstat (limited to 'drivers/mtd/maps')
-rw-r--r-- | drivers/mtd/maps/Kconfig | 33 | ||||
-rw-r--r-- | drivers/mtd/maps/Makefile | 4 | ||||
-rw-r--r-- | drivers/mtd/maps/ebony.c | 163 | ||||
-rw-r--r-- | drivers/mtd/maps/ocotea.c | 154 | ||||
-rw-r--r-- | drivers/mtd/maps/omap-toto-flash.c | 133 | ||||
-rw-r--r-- | drivers/mtd/maps/pci.c | 18 | ||||
-rw-r--r-- | drivers/mtd/maps/physmap_of.c | 3 | ||||
-rw-r--r-- | drivers/mtd/maps/walnut.c | 122 |
8 files changed, 5 insertions, 625 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index df8e00bba07b..5ea169362164 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -332,30 +332,6 @@ config MTD_CFI_FLAGADM Mapping for the Flaga digital module. If you don't have one, ignore this setting. -config MTD_WALNUT - tristate "Flash device mapped on IBM 405GP Walnut" - depends on MTD_JEDECPROBE && WALNUT && !PPC_MERGE - help - This enables access routines for the flash chips on the IBM 405GP - Walnut board. If you have one of these boards and would like to - use the flash chips on it, say 'Y'. - -config MTD_EBONY - tristate "Flash devices mapped on IBM 440GP Ebony" - depends on MTD_JEDECPROBE && EBONY && !PPC_MERGE - help - This enables access routines for the flash chips on the IBM 440GP - Ebony board. If you have one of these boards and would like to - use the flash chips on it, say 'Y'. - -config MTD_OCOTEA - tristate "Flash devices mapped on IBM 440GX Ocotea" - depends on MTD_CFI && OCOTEA && !PPC_MERGE - help - This enables access routines for the flash chips on the IBM 440GX - Ocotea board. If you have one of these boards and would like to - use the flash chips on it, say 'Y'. - config MTD_REDWOOD tristate "CFI Flash devices mapped on IBM Redwood" depends on MTD_CFI && ( REDWOOD_4 || REDWOOD_5 || REDWOOD_6 ) @@ -458,13 +434,6 @@ config MTD_CEIVA PhotoMax Digital Picture Frame. If you have such a device, say 'Y'. -config MTD_NOR_TOTO - tristate "NOR Flash device on TOTO board" - depends on ARCH_OMAP && OMAP_TOTO - help - This enables access to the NOR flash on the Texas Instruments - TOTO board. - config MTD_H720X tristate "Hynix evaluation board mappings" depends on MTD_CFI && ( ARCH_H7201 || ARCH_H7202 ) @@ -522,7 +491,7 @@ config MTD_BFIN_ASYNC config MTD_UCLINUX tristate "Generic uClinux RAM/ROM filesystem support" - depends on MTD_PARTITIONS && !MMU + depends on MTD_PARTITIONS && MTD_RAM && !MMU help Map driver to support image based filesystems for uClinux. diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index 6cda6df973e5..6d9ba35caf11 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -50,12 +50,8 @@ obj-$(CONFIG_MTD_REDWOOD) += redwood.o obj-$(CONFIG_MTD_UCLINUX) += uclinux.o obj-$(CONFIG_MTD_NETtel) += nettel.o obj-$(CONFIG_MTD_SCB2_FLASH) += scb2_flash.o -obj-$(CONFIG_MTD_EBONY) += ebony.o -obj-$(CONFIG_MTD_OCOTEA) += ocotea.o -obj-$(CONFIG_MTD_WALNUT) += walnut.o obj-$(CONFIG_MTD_H720X) += h720x-flash.o obj-$(CONFIG_MTD_SBC8240) += sbc8240.o -obj-$(CONFIG_MTD_NOR_TOTO) += omap-toto-flash.o obj-$(CONFIG_MTD_IXP4XX) += ixp4xx.o obj-$(CONFIG_MTD_IXP2000) += ixp2000.o obj-$(CONFIG_MTD_WRSBC8260) += wr_sbc82xx_flash.o diff --git a/drivers/mtd/maps/ebony.c b/drivers/mtd/maps/ebony.c deleted file mode 100644 index d92b7c70d3ed..000000000000 --- a/drivers/mtd/maps/ebony.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - * Mapping for Ebony user flash - * - * Matt Porter <mporter@kernel.crashing.org> - * - * Copyright 2002-2004 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 as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> -#include <asm/io.h> -#include <asm/ibm44x.h> -#include <platforms/4xx/ebony.h> - -static struct mtd_info *flash; - -static struct map_info ebony_small_map = { - .name = "Ebony small flash", - .size = EBONY_SMALL_FLASH_SIZE, - .bankwidth = 1, -}; - -static struct map_info ebony_large_map = { - .name = "Ebony large flash", - .size = EBONY_LARGE_FLASH_SIZE, - .bankwidth = 1, -}; - -static struct mtd_partition ebony_small_partitions[] = { - { - .name = "OpenBIOS", - .offset = 0x0, - .size = 0x80000, - } -}; - -static struct mtd_partition ebony_large_partitions[] = { - { - .name = "fs", - .offset = 0, - .size = 0x380000, - }, - { - .name = "firmware", - .offset = 0x380000, - .size = 0x80000, - } -}; - -int __init init_ebony(void) -{ - u8 fpga0_reg; - u8 __iomem *fpga0_adr; - unsigned long long small_flash_base, large_flash_base; - - fpga0_adr = ioremap64(EBONY_FPGA_ADDR, 16); - if (!fpga0_adr) - return -ENOMEM; - - fpga0_reg = readb(fpga0_adr); - iounmap(fpga0_adr); - - if (EBONY_BOOT_SMALL_FLASH(fpga0_reg) && - !EBONY_FLASH_SEL(fpga0_reg)) - small_flash_base = EBONY_SMALL_FLASH_HIGH2; - else if (EBONY_BOOT_SMALL_FLASH(fpga0_reg) && - EBONY_FLASH_SEL(fpga0_reg)) - small_flash_base = EBONY_SMALL_FLASH_HIGH1; - else if (!EBONY_BOOT_SMALL_FLASH(fpga0_reg) && - !EBONY_FLASH_SEL(fpga0_reg)) - small_flash_base = EBONY_SMALL_FLASH_LOW2; - else - small_flash_base = EBONY_SMALL_FLASH_LOW1; - - if (EBONY_BOOT_SMALL_FLASH(fpga0_reg) && - !EBONY_ONBRD_FLASH_EN(fpga0_reg)) - large_flash_base = EBONY_LARGE_FLASH_LOW; - else - large_flash_base = EBONY_LARGE_FLASH_HIGH; - - ebony_small_map.phys = small_flash_base; - ebony_small_map.virt = ioremap64(small_flash_base, - ebony_small_map.size); - - if (!ebony_small_map.virt) { - printk("Failed to ioremap flash\n"); - return -EIO; - } - - simple_map_init(&ebony_small_map); - - flash = do_map_probe("jedec_probe", &ebony_small_map); - if (flash) { - flash->owner = THIS_MODULE; - add_mtd_partitions(flash, ebony_small_partitions, - ARRAY_SIZE(ebony_small_partitions)); - } else { - printk("map probe failed for flash\n"); - iounmap(ebony_small_map.virt); - return -ENXIO; - } - - ebony_large_map.phys = large_flash_base; - ebony_large_map.virt = ioremap64(large_flash_base, - ebony_large_map.size); - - if (!ebony_large_map.virt) { - printk("Failed to ioremap flash\n"); - iounmap(ebony_small_map.virt); - return -EIO; - } - - simple_map_init(&ebony_large_map); - - flash = do_map_probe("jedec_probe", &ebony_large_map); - if (flash) { - flash->owner = THIS_MODULE; - add_mtd_partitions(flash, ebony_large_partitions, - ARRAY_SIZE(ebony_large_partitions)); - } else { - printk("map probe failed for flash\n"); - iounmap(ebony_small_map.virt); - iounmap(ebony_large_map.virt); - return -ENXIO; - } - - return 0; -} - -static void __exit cleanup_ebony(void) -{ - if (flash) { - del_mtd_partitions(flash); - map_destroy(flash); - } - - if (ebony_small_map.virt) { - iounmap(ebony_small_map.virt); - ebony_small_map.virt = NULL; - } - - if (ebony_large_map.virt) { - iounmap(ebony_large_map.virt); - ebony_large_map.virt = NULL; - } -} - -module_init(init_ebony); -module_exit(cleanup_ebony); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Matt Porter <mporter@kernel.crashing.org>"); -MODULE_DESCRIPTION("MTD map and partitions for IBM 440GP Ebony boards"); diff --git a/drivers/mtd/maps/ocotea.c b/drivers/mtd/maps/ocotea.c deleted file mode 100644 index 5522eac8c980..000000000000 --- a/drivers/mtd/maps/ocotea.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Mapping for Ocotea user flash - * - * Matt Porter <mporter@kernel.crashing.org> - * - * Copyright 2002-2004 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 as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> -#include <asm/io.h> -#include <asm/ibm44x.h> -#include <platforms/4xx/ocotea.h> - -static struct mtd_info *flash; - -static struct map_info ocotea_small_map = { - .name = "Ocotea small flash", - .size = OCOTEA_SMALL_FLASH_SIZE, - .buswidth = 1, -}; - -static struct map_info ocotea_large_map = { - .name = "Ocotea large flash", - .size = OCOTEA_LARGE_FLASH_SIZE, - .buswidth = 1, -}; - -static struct mtd_partition ocotea_small_partitions[] = { - { - .name = "pibs", - .offset = 0x0, - .size = 0x100000, - } -}; - -static struct mtd_partition ocotea_large_partitions[] = { - { - .name = "fs", - .offset = 0, - .size = 0x300000, - }, - { - .name = "firmware", - .offset = 0x300000, - .size = 0x100000, - } -}; - -int __init init_ocotea(void) -{ - u8 fpga0_reg; - u8 *fpga0_adr; - unsigned long long small_flash_base, large_flash_base; - - fpga0_adr = ioremap64(OCOTEA_FPGA_ADDR, 16); - if (!fpga0_adr) - return -ENOMEM; - - fpga0_reg = readb((unsigned long)fpga0_adr); - iounmap(fpga0_adr); - - if (OCOTEA_BOOT_LARGE_FLASH(fpga0_reg)) { - small_flash_base = OCOTEA_SMALL_FLASH_HIGH; - large_flash_base = OCOTEA_LARGE_FLASH_LOW; - } - else { - small_flash_base = OCOTEA_SMALL_FLASH_LOW; - large_flash_base = OCOTEA_LARGE_FLASH_HIGH; - } - - ocotea_small_map.phys = small_flash_base; - ocotea_small_map.virt = ioremap64(small_flash_base, - ocotea_small_map.size); - - if (!ocotea_small_map.virt) { - printk("Failed to ioremap flash\n"); - return -EIO; - } - - simple_map_init(&ocotea_small_map); - - flash = do_map_probe("map_rom", &ocotea_small_map); - if (flash) { - flash->owner = THIS_MODULE; - add_mtd_partitions(flash, ocotea_small_partitions, - ARRAY_SIZE(ocotea_small_partitions)); - } else { - printk("map probe failed for flash\n"); - iounmap(ocotea_small_map.virt); - return -ENXIO; - } - - ocotea_large_map.phys = large_flash_base; - ocotea_large_map.virt = ioremap64(large_flash_base, - ocotea_large_map.size); - - if (!ocotea_large_map.virt) { - printk("Failed to ioremap flash\n"); - iounmap(ocotea_small_map.virt); - return -EIO; - } - - simple_map_init(&ocotea_large_map); - - flash = do_map_probe("cfi_probe", &ocotea_large_map); - if (flash) { - flash->owner = THIS_MODULE; - add_mtd_partitions(flash, ocotea_large_partitions, - ARRAY_SIZE(ocotea_large_partitions)); - } else { - printk("map probe failed for flash\n"); - iounmap(ocotea_small_map.virt); - iounmap(ocotea_large_map.virt); - return -ENXIO; - } - - return 0; -} - -static void __exit cleanup_ocotea(void) -{ - if (flash) { - del_mtd_partitions(flash); - map_destroy(flash); - } - - if (ocotea_small_map.virt) { - iounmap((void *)ocotea_small_map.virt); - ocotea_small_map.virt = 0; - } - - if (ocotea_large_map.virt) { - iounmap((void *)ocotea_large_map.virt); - ocotea_large_map.virt = 0; - } -} - -module_init(init_ocotea); -module_exit(cleanup_ocotea); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Matt Porter <mporter@kernel.crashing.org>"); -MODULE_DESCRIPTION("MTD map and partitions for IBM 440GX Ocotea boards"); diff --git a/drivers/mtd/maps/omap-toto-flash.c b/drivers/mtd/maps/omap-toto-flash.c deleted file mode 100644 index 0a60ebbc2175..000000000000 --- a/drivers/mtd/maps/omap-toto-flash.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * NOR Flash memory access on TI Toto board - * - * jzhang@ti.com (C) 2003 Texas Instruments. - * - * (C) 2002 MontVista Software, Inc. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/errno.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 <asm/hardware.h> -#include <asm/io.h> - - -#ifndef CONFIG_ARCH_OMAP -#error This is for OMAP architecture only -#endif - -//these lines need be moved to a hardware header file -#define OMAP_TOTO_FLASH_BASE 0xd8000000 -#define OMAP_TOTO_FLASH_SIZE 0x80000 - -static struct map_info omap_toto_map_flash = { - .name = "OMAP Toto flash", - .bankwidth = 2, - .virt = (void __iomem *)OMAP_TOTO_FLASH_BASE, -}; - - -static struct mtd_partition toto_flash_partitions[] = { - { - .name = "BootLoader", - .size = 0x00040000, /* hopefully u-boot will stay 128k + 128*/ - .offset = 0, - .mask_flags = MTD_WRITEABLE, /* force read-only */ - }, { - .name = "ReservedSpace", - .size = 0x00030000, - .offset = MTDPART_OFS_APPEND, - //mask_flags: MTD_WRITEABLE, /* force read-only */ - }, { - .name = "EnvArea", /* bottom 64KiB for env vars */ - .size = MTDPART_SIZ_FULL, - .offset = MTDPART_OFS_APPEND, - } -}; - -static struct mtd_partition *parsed_parts; - -static struct mtd_info *flash_mtd; - -static int __init init_flash (void) -{ - - struct mtd_partition *parts; - int nb_parts = 0; - int parsed_nr_parts = 0; - const char *part_type; - - /* - * Static partition definition selection - */ - part_type = "static"; - - parts = toto_flash_partitions; - nb_parts = ARRAY_SIZE(toto_flash_partitions); - omap_toto_map_flash.size = OMAP_TOTO_FLASH_SIZE; - omap_toto_map_flash.phys = virt_to_phys(OMAP_TOTO_FLASH_BASE); - - simple_map_init(&omap_toto_map_flash); - /* - * Now let's probe for the actual flash. Do it here since - * specific machine settings might have been set above. - */ - printk(KERN_NOTICE "OMAP toto flash: probing %d-bit flash bus\n", - omap_toto_map_flash.bankwidth*8); - flash_mtd = do_map_probe("jedec_probe", &omap_toto_map_flash); - if (!flash_mtd) - return -ENXIO; - - if (parsed_nr_parts > 0) { - parts = parsed_parts; - nb_parts = parsed_nr_parts; - } - - if (nb_parts == 0) { - printk(KERN_NOTICE "OMAP toto flash: no partition info available," - "registering whole flash at once\n"); - if (add_mtd_device(flash_mtd)){ - return -ENXIO; - } - } else { - printk(KERN_NOTICE "Using %s partition definition\n", - part_type); - return add_mtd_partitions(flash_mtd, parts, nb_parts); - } - return 0; -} - -int __init omap_toto_mtd_init(void) -{ - int status; - - if (status = init_flash()) { - printk(KERN_ERR "OMAP Toto Flash: unable to init map for toto flash\n"); - } - return status; -} - -static void __exit omap_toto_mtd_cleanup(void) -{ - if (flash_mtd) { - del_mtd_partitions(flash_mtd); - map_destroy(flash_mtd); - kfree(parsed_parts); - } -} - -module_init(omap_toto_mtd_init); -module_exit(omap_toto_mtd_cleanup); - -MODULE_AUTHOR("Jian Zhang"); -MODULE_DESCRIPTION("OMAP Toto board map driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/mtd/maps/pci.c b/drivers/mtd/maps/pci.c index 5c6a25c90380..48f4cf5cb9d1 100644 --- a/drivers/mtd/maps/pci.c +++ b/drivers/mtd/maps/pci.c @@ -203,15 +203,8 @@ intel_dc21285_init(struct pci_dev *dev, struct map_pci_info *map) * not enabled, should we be allocating a new resource for it * or simply enabling it? */ - if (!(pci_resource_flags(dev, PCI_ROM_RESOURCE) & - IORESOURCE_ROM_ENABLE)) { - u32 val; - pci_resource_flags(dev, PCI_ROM_RESOURCE) |= IORESOURCE_ROM_ENABLE; - pci_read_config_dword(dev, PCI_ROM_ADDRESS, &val); - val |= PCI_ROM_ADDRESS_ENABLE; - pci_write_config_dword(dev, PCI_ROM_ADDRESS, val); - printk("%s: enabling expansion ROM\n", pci_name(dev)); - } + pci_enable_rom(dev); + printk("%s: enabling expansion ROM\n", pci_name(dev)); } if (!len || !base) @@ -232,18 +225,13 @@ intel_dc21285_init(struct pci_dev *dev, struct map_pci_info *map) static void intel_dc21285_exit(struct pci_dev *dev, struct map_pci_info *map) { - u32 val; - if (map->base) iounmap(map->base); /* * We need to undo the PCI BAR2/PCI ROM BAR address alteration. */ - pci_resource_flags(dev, PCI_ROM_RESOURCE) &= ~IORESOURCE_ROM_ENABLE; - pci_read_config_dword(dev, PCI_ROM_ADDRESS, &val); - val &= ~PCI_ROM_ADDRESS_ENABLE; - pci_write_config_dword(dev, PCI_ROM_ADDRESS, val); + pci_disable_rom(dev); } static unsigned long diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c index 49acd4171893..5fcfec034a94 100644 --- a/drivers/mtd/maps/physmap_of.c +++ b/drivers/mtd/maps/physmap_of.c @@ -230,8 +230,7 @@ static int __devinit of_flash_probe(struct of_device *dev, #ifdef CONFIG_MTD_OF_PARTS if (err == 0) { - err = of_mtd_parse_partitions(&dev->dev, info->mtd, - dp, &info->parts); + err = of_mtd_parse_partitions(&dev->dev, dp, &info->parts); if (err < 0) return err; } diff --git a/drivers/mtd/maps/walnut.c b/drivers/mtd/maps/walnut.c deleted file mode 100644 index e243476c8171..000000000000 --- a/drivers/mtd/maps/walnut.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Mapping for Walnut flash - * (used ebony.c as a "framework") - * - * Heikki Lindholm <holindho@infradead.org> - * - * - * 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, or (at your - * option) any later version. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> -#include <asm/io.h> -#include <asm/ibm4xx.h> -#include <platforms/4xx/walnut.h> - -/* these should be in platforms/4xx/walnut.h ? */ -#define WALNUT_FLASH_ONBD_N(x) (x & 0x02) -#define WALNUT_FLASH_SRAM_SEL(x) (x & 0x01) -#define WALNUT_FLASH_LOW 0xFFF00000 -#define WALNUT_FLASH_HIGH 0xFFF80000 -#define WALNUT_FLASH_SIZE 0x80000 - -static struct mtd_info *flash; - -static struct map_info walnut_map = { - .name = "Walnut flash", - .size = WALNUT_FLASH_SIZE, - .bankwidth = 1, -}; - -/* Actually, OpenBIOS is the last 128 KiB of the flash - better - * partitioning could be made */ -static struct mtd_partition walnut_partitions[] = { - { - .name = "OpenBIOS", - .offset = 0x0, - .size = WALNUT_FLASH_SIZE, - /*.mask_flags = MTD_WRITEABLE, */ /* force read-only */ - } -}; - -int __init init_walnut(void) -{ - u8 fpga_brds1; - void *fpga_brds1_adr; - void *fpga_status_adr; - unsigned long flash_base; - - /* this should already be mapped (platform/4xx/walnut.c) */ - fpga_status_adr = ioremap(WALNUT_FPGA_BASE, 8); - if (!fpga_status_adr) - return -ENOMEM; - - fpga_brds1_adr = fpga_status_adr+5; - fpga_brds1 = readb(fpga_brds1_adr); - /* iounmap(fpga_status_adr); */ - - if (WALNUT_FLASH_ONBD_N(fpga_brds1)) { - printk("The on-board flash is disabled (U79 sw 5)!"); - iounmap(fpga_status_adr); - return -EIO; - } - if (WALNUT_FLASH_SRAM_SEL(fpga_brds1)) - flash_base = WALNUT_FLASH_LOW; - else - flash_base = WALNUT_FLASH_HIGH; - - walnut_map.phys = flash_base; - walnut_map.virt = - (void __iomem *)ioremap(flash_base, walnut_map.size); - - if (!walnut_map.virt) { - printk("Failed to ioremap flash.\n"); - iounmap(fpga_status_adr); - return -EIO; - } - - simple_map_init(&walnut_map); - - flash = do_map_probe("jedec_probe", &walnut_map); - if (flash) { - flash->owner = THIS_MODULE; - add_mtd_partitions(flash, walnut_partitions, - ARRAY_SIZE(walnut_partitions)); - } else { - printk("map probe failed for flash\n"); - iounmap(fpga_status_adr); - return -ENXIO; - } - - iounmap(fpga_status_adr); - return 0; -} - -static void __exit cleanup_walnut(void) -{ - if (flash) { - del_mtd_partitions(flash); - map_destroy(flash); - } - - if (walnut_map.virt) { - iounmap((void *)walnut_map.virt); - walnut_map.virt = 0; - } -} - -module_init(init_walnut); -module_exit(cleanup_walnut); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Heikki Lindholm <holindho@infradead.org>"); -MODULE_DESCRIPTION("MTD map and partitions for IBM 405GP Walnut boards"); |