diff options
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/pcmciamtd.c | 34 | ||||
| -rw-r--r-- | drivers/mtd/maps/physmap_of.c | 3 | ||||
| -rw-r--r-- | drivers/mtd/maps/sun_uflash.c | 75 | ||||
| -rw-r--r-- | drivers/mtd/maps/walnut.c | 122 |
10 files changed, 50 insertions, 689 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/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c index 90924fb00481..d600c2deff73 100644 --- a/drivers/mtd/maps/pcmciamtd.c +++ b/drivers/mtd/maps/pcmciamtd.c @@ -118,7 +118,8 @@ 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; - if( (ret = pcmcia_map_mem_page(win, &mrq)) != CS_SUCCESS) { + ret = pcmcia_map_mem_page(win, &mrq); + if (ret != 0) { cs_error(dev->p_dev, MapMemPage, ret); return NULL; } @@ -326,9 +327,8 @@ 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 != CS_SUCCESS) { + if (ret != 0) cs_error(link, ModifyConfiguration, ret); - } } @@ -368,14 +368,14 @@ static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, tuple.DesiredTuple = RETURN_FIRST_TUPLE; rc = pcmcia_get_first_tuple(link, &tuple); - while(rc == CS_SUCCESS) { + while (rc == 0) { rc = pcmcia_get_tuple_data(link, &tuple); - if(rc != CS_SUCCESS) { + if (rc != 0) { cs_error(link, GetTupleData, rc); break; } - rc = pcmcia_parse_tuple(link, &tuple, &parse); - if(rc != CS_SUCCESS) { + rc = pcmcia_parse_tuple(&tuple, &parse); + if (rc != 0) { cs_error(link, ParseTuple, rc); break; } @@ -493,18 +493,11 @@ static int pcmciamtd_config(struct pcmcia_device *link) int last_ret = 0, last_fn = 0; int ret; int i; - config_info_t t; static char *probes[] = { "jedec_probe", "cfi_probe" }; int new_name = 0; DEBUG(3, "link=0x%p", link); - DEBUG(2, "Validating CIS"); - ret = pcmcia_validate_cis(link, NULL); - if(ret != CS_SUCCESS) { - cs_error(link, GetTupleData, ret); - } - card_settings(dev, link, &new_name); dev->pcmcia_map.phys = NO_XIP; @@ -571,10 +564,7 @@ static int pcmciamtd_config(struct pcmcia_device *link) dev->pcmcia_map.map_priv_1 = (unsigned long)dev; dev->pcmcia_map.map_priv_2 = (unsigned long)link->win; - DEBUG(2, "Getting configuration"); - CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &t)); - DEBUG(2, "Vcc = %d Vpp1 = %d Vpp2 = %d", t.Vcc, t.Vpp1, t.Vpp2); - dev->vpp = (vpp) ? vpp : t.Vpp1; + dev->vpp = (vpp) ? vpp : link->socket.socket.Vpp; link->conf.Attributes = 0; if(setvpp == 2) { link->conf.Vpp = dev->vpp; @@ -583,16 +573,10 @@ static int pcmciamtd_config(struct pcmcia_device *link) } link->conf.IntType = INT_MEMORY; - link->conf.ConfigBase = t.ConfigBase; - link->conf.Status = t.Status; - link->conf.Pin = t.Pin; - link->conf.Copy = t.Copy; - link->conf.ExtStatus = t.ExtStatus; link->conf.ConfigIndex = 0; - link->conf.Present = t.Present; DEBUG(2, "Setting Configuration"); ret = pcmcia_request_configuration(link, &link->conf); - if(ret != CS_SUCCESS) { + if (ret != 0) { cs_error(link, RequestConfiguration, ret); if (dev->win_base) { iounmap(dev->win_base); 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/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c index 0d7c88396c88..fd7a1017399a 100644 --- a/drivers/mtd/maps/sun_uflash.c +++ b/drivers/mtd/maps/sun_uflash.c @@ -1,13 +1,10 @@ -/* - * - * sun_uflash - Driver implementation for user-programmable flash - * present on many Sun Microsystems SME boardsets. +/* sun_uflash.c - Driver for user-programmable flash on + * Sun Microsystems SME boardsets. * * This driver does NOT provide access to the OBP-flash for * safety reasons-- use <linux>/drivers/sbus/char/flash.c instead. * * Copyright (c) 2001 Eric Brower (ebrower@usa.net) - * */ #include <linux/kernel.h> @@ -16,8 +13,8 @@ #include <linux/errno.h> #include <linux/init.h> #include <linux/ioport.h> -#include <asm/ebus.h> -#include <asm/oplib.h> +#include <linux/of.h> +#include <linux/of_device.h> #include <asm/prom.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -26,67 +23,65 @@ #include <linux/mtd/map.h> #define UFLASH_OBPNAME "flashprom" -#define UFLASH_DEVNAME "userflash" +#define DRIVER_NAME "sun_uflash" +#define PFX DRIVER_NAME ": " #define UFLASH_WINDOW_SIZE 0x200000 #define UFLASH_BUSWIDTH 1 /* EBus is 8-bit */ MODULE_AUTHOR("Eric Brower <ebrower@usa.net>"); MODULE_DESCRIPTION("User-programmable flash device on Sun Microsystems boardsets"); -MODULE_SUPPORTED_DEVICE("userflash"); +MODULE_SUPPORTED_DEVICE(DRIVER_NAME); MODULE_LICENSE("GPL"); -MODULE_VERSION("2.0"); +MODULE_VERSION("2.1"); -static LIST_HEAD(device_list); struct uflash_dev { const char *name; /* device name */ struct map_info map; /* mtd map info */ struct mtd_info *mtd; /* mtd info */ }; - struct map_info uflash_map_templ = { .name = "SUNW,???-????", .size = UFLASH_WINDOW_SIZE, .bankwidth = UFLASH_BUSWIDTH, }; -int uflash_devinit(struct linux_ebus_device *edev, struct device_node *dp) +int uflash_devinit(struct of_device *op, struct device_node *dp) { struct uflash_dev *up; - struct resource *res; - res = &edev->resource[0]; - - if (edev->num_addrs != 1) { + if (op->resource[1].flags) { /* Non-CFI userflash device-- once I find one we * can work on supporting it. */ - printk("%s: unsupported device at 0x%llx (%d regs): " \ - "email ebrower@usa.net\n", - dp->full_name, (unsigned long long)res->start, - edev->num_addrs); + printk(KERN_ERR PFX "Unsupported device at %s, 0x%llx\n", + dp->full_name, (unsigned long long)op->resource[0].start); return -ENODEV; } up = kzalloc(sizeof(struct uflash_dev), GFP_KERNEL); - if (!up) + if (!up) { + printk(KERN_ERR PFX "Cannot allocate struct uflash_dev\n"); return -ENOMEM; + } /* copy defaults and tweak parameters */ memcpy(&up->map, &uflash_map_templ, sizeof(uflash_map_templ)); - up->map.size = (res->end - res->start) + 1UL; + + up->map.size = resource_size(&op->resource[0]); up->name = of_get_property(dp, "model", NULL); if (up->name && 0 < strlen(up->name)) up->map.name = (char *)up->name; - up->map.phys = res->start; + up->map.phys = op->resource[0].start; - up->map.virt = ioremap_nocache(res->start, up->map.size); + up->map.virt = of_ioremap(&op->resource[0], 0, up->map.size, + DRIVER_NAME); if (!up->map.virt) { - printk("%s: Failed to map device.\n", dp->full_name); + printk(KERN_ERR PFX "Failed to map device.\n"); kfree(up); return -EINVAL; @@ -97,7 +92,7 @@ int uflash_devinit(struct linux_ebus_device *edev, struct device_node *dp) /* MTD registration */ up->mtd = do_map_probe("cfi_probe", &up->map); if (!up->mtd) { - iounmap(up->map.virt); + of_iounmap(&op->resource[0], up->map.virt, up->map.size); kfree(up); return -ENXIO; @@ -107,32 +102,34 @@ int uflash_devinit(struct linux_ebus_device *edev, struct device_node *dp) add_mtd_device(up->mtd); - dev_set_drvdata(&edev->ofdev.dev, up); + dev_set_drvdata(&op->dev, up); return 0; } -static int __devinit uflash_probe(struct of_device *dev, const struct of_device_id *match) +static int __devinit uflash_probe(struct of_device *op, const struct of_device_id *match) { - struct linux_ebus_device *edev = to_ebus_device(&dev->dev); - struct device_node *dp = dev->node; + struct device_node *dp = op->node; - if (of_find_property(dp, "user", NULL)) + /* Flashprom must have the "user" property in order to + * be used by this driver. + */ + if (!of_find_property(dp, "user", NULL)) return -ENODEV; - return uflash_devinit(edev, dp); + return uflash_devinit(op, dp); } -static int __devexit uflash_remove(struct of_device *dev) +static int __devexit uflash_remove(struct of_device *op) { - struct uflash_dev *up = dev_get_drvdata(&dev->dev); + struct uflash_dev *up = dev_get_drvdata(&op->dev); if (up->mtd) { del_mtd_device(up->mtd); map_destroy(up->mtd); } if (up->map.virt) { - iounmap(up->map.virt); + of_iounmap(&op->resource[0], up->map.virt, up->map.size); up->map.virt = NULL; } @@ -141,7 +138,7 @@ static int __devexit uflash_remove(struct of_device *dev) return 0; } -static struct of_device_id uflash_match[] = { +static const struct of_device_id uflash_match[] = { { .name = UFLASH_OBPNAME, }, @@ -151,7 +148,7 @@ static struct of_device_id uflash_match[] = { MODULE_DEVICE_TABLE(of, uflash_match); static struct of_platform_driver uflash_driver = { - .name = UFLASH_DEVNAME, + .name = DRIVER_NAME, .match_table = uflash_match, .probe = uflash_probe, .remove = __devexit_p(uflash_remove), @@ -159,7 +156,7 @@ static struct of_platform_driver uflash_driver = { static int __init uflash_init(void) { - return of_register_driver(&uflash_driver, &ebus_bus_type); + return of_register_driver(&uflash_driver, &of_bus_type); } static void __exit uflash_exit(void) 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"); |