From 99f2a8aea18c9779c141050c6f95a8f1da63bbe4 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Mon, 24 Jan 2005 00:37:04 +0000 Subject: [MTD] Platform RAM Driver Driver for generic RAM blocks which are exported by an platform_device from the device driver system. Signed-off-by: Ben Dooks Signed-off-by: Thomas Gleixner --- drivers/mtd/maps/Kconfig | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'drivers/mtd/maps/Kconfig') diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index 8480057eadb4..7d21d432f380 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -1,5 +1,5 @@ # drivers/mtd/maps/Kconfig -# $Id: Kconfig,v 1.42 2005/01/05 16:59:50 dwmw2 Exp $ +# $Id: Kconfig,v 1.43 2005/01/24 00:35:21 bjd Exp $ menu "Mapping drivers for chip access" depends on MTD!=n @@ -659,5 +659,15 @@ config MTD_SHARP_SL help This enables access to the flash chip on the Sharp SL Series of PDAs. +config MTD_PLATRAM + tristate "Map driver for platfrom device RAM (mtd-ram)" + depends on MTD + select MTD_RAM + help + Map driver for RAM areas described via the platform device + system. + + This selection automatically selects the map_ram driver. + endmenu -- cgit v1.2.3 From 7685359656774e0348835f72a68e201fe0285fa9 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 18 Feb 2005 11:03:48 +0000 Subject: [MTD] Update BAST driver configuration update the BAST driver config (which already supports the vr1000) to be selected only if the vr1000 has been configured Signed-off-by: Ben Dooks Signed-off-by: Thomas Gleixner --- drivers/mtd/maps/Kconfig | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers/mtd/maps/Kconfig') diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index 7d21d432f380..d29dc121c1f7 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -1,5 +1,5 @@ # drivers/mtd/maps/Kconfig -# $Id: Kconfig,v 1.43 2005/01/24 00:35:21 bjd Exp $ +# $Id: Kconfig,v 1.44 2005/02/18 11:03:45 bjd Exp $ menu "Mapping drivers for chip access" depends on MTD!=n @@ -637,13 +637,14 @@ config MTD_DMV182 Map driver for Dy-4 SVME/DMV-182 board. config MTD_BAST - tristate "Map driver for Simtec BAST (EB2410ITX)" - depends on ARCH_BAST + tristate "Map driver for Simtec BAST (EB2410ITX) or Thorcom VR1000" + depends on ARCH_BAST || MACH_VR1000 select MTD_PARTITIONS select MTD_MAP_BANK_WIDTH_16 select MTD_JEDECPROBE help - Map driver for NOR flash on the Simtec BAST (EB2410ITX). + Map driver for NOR flash on the Simtec BAST (EB2410ITX), or the + Thorcom VR1000 Note, this driver *cannot* over-ride the WP link on the board, or currently detect the state of the link. -- cgit v1.2.3 From 002fa30170f9500ac31fa22931c689029af7f27b Mon Sep 17 00:00:00 2001 From: Pete Popov Date: Sun, 27 Feb 2005 21:50:25 +0000 Subject: [MTD] Replace all the Au1x mapping drivers with a simplified single driver This driver does not have as many options but it's easier to maintain. And, it turns out AMD never shipped boards with different flash densities. Signed-off-by: Pete Popov Signed-off-by: Thomas Gleixner --- drivers/mtd/maps/Kconfig | 73 +------------ drivers/mtd/maps/Makefile | 7 +- drivers/mtd/maps/alchemy-flash.c | 192 +++++++++++++++++++++++++++++++++ drivers/mtd/maps/db1550-flash.c | 187 -------------------------------- drivers/mtd/maps/db1x00-flash.c | 226 --------------------------------------- drivers/mtd/maps/pb1550-flash.c | 203 ----------------------------------- drivers/mtd/maps/pb1xxx-flash.c | 178 ------------------------------ 7 files changed, 199 insertions(+), 867 deletions(-) create mode 100644 drivers/mtd/maps/alchemy-flash.c delete mode 100644 drivers/mtd/maps/db1550-flash.c delete mode 100644 drivers/mtd/maps/db1x00-flash.c delete mode 100644 drivers/mtd/maps/pb1550-flash.c delete mode 100644 drivers/mtd/maps/pb1xxx-flash.c (limited to 'drivers/mtd/maps/Kconfig') diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index d29dc121c1f7..f036de8080b9 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -1,5 +1,5 @@ # drivers/mtd/maps/Kconfig -# $Id: Kconfig,v 1.44 2005/02/18 11:03:45 bjd Exp $ +# $Id: Kconfig,v 1.45 2005/02/27 21:50:21 ppopov Exp $ menu "Mapping drivers for chip access" depends on MTD!=n @@ -213,74 +213,11 @@ config MTD_NETtel help Support for flash chips on NETtel/SecureEdge/SnapGear boards. -config MTD_PB1XXX - tristate "Flash devices on Alchemy PB1xxx boards" - depends on MIPS && ( MIPS_PB1000 || MIPS_PB1100 || MIPS_PB1500 ) +config MTD_ALCHEMY + tristate ' AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support' + depends on MIPS && SOC_AU1X00 help - Flash memory access on Alchemy Pb1000/Pb1100/Pb1500 boards - -config MTD_PB1XXX_BOOT - bool "PB1x00 boot flash device" - depends on MTD_PB1XXX && ( MIPS_PB1100 || MIPS_PB1500 ) - help - Use the first of the two 32MiB flash banks on Pb1100/Pb1500 board. - You can say 'Y' to both this and 'MTD_PB1XXX_USER' below, to use - both banks. - -config MTD_PB1XXX_USER - bool "PB1x00 user flash device" - depends on MTD_PB1XXX && ( MIPS_PB1100 || MIPS_PB1500 ) - default y if MTD_PB1XX_BOOT = n - help - Use the second of the two 32MiB flash banks on Pb1100/Pb1500 board. - You can say 'Y' to both this and 'MTD_PB1XXX_BOOT' above, to use - both banks. - -config MTD_PB1550 - tristate "Flash devices on Alchemy PB1550 board" - depends on MIPS && MIPS_PB1550 - help - Flash memory access on Alchemy Pb1550 board - -config MTD_PB1550_BOOT - bool "PB1550 boot flash device" - depends on MTD_PB1550 - help - Use the first of the two 64MiB flash banks on Pb1550 board. - You can say 'Y' to both this and 'MTD_PB1550_USER' below, to use - both banks. - -config MTD_PB1550_USER - bool "PB1550 user flash device" - depends on MTD_PB1550 - default y if MTD_PB1550_BOOT = n - help - Use the second of the two 64MiB flash banks on Pb1550 board. - You can say 'Y' to both this and 'MTD_PB1550_BOOT' above, to use - both banks. - -config MTD_DB1550 - tristate "Flash devices on Alchemy DB1550 board" - depends on MIPS && MIPS_DB1550 - help - Flash memory access on Alchemy Db1550 board - -config MTD_DB1550_BOOT - bool "DB1550 boot flash device" - depends on MTD_DB1550 - help - Use the first of the two 64MiB flash banks on Db1550 board. - You can say 'Y' to both this and 'MTD_DB1550_USER' below, to use - both banks. - -config MTD_DB1550_USER - bool "DB1550 user flash device" - depends on MTD_DB1550 - default y if MTD_DB1550_BOOT = n - help - Use the second of the two 64MiB flash banks on Db1550 board. - You can say 'Y' to both this and 'MTD_DB1550_BOOT' above, to use - both banks. + Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards config MTD_DILNETPC tristate "CFI Flash device mapped on DIL/Net PC" diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index d2e6dcc87059..d0639a85cb12 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -1,7 +1,7 @@ # # linux/drivers/maps/Makefile # -# $Id: Makefile.common,v 1.24 2005/01/24 00:35:21 bjd Exp $ +# $Id: Makefile.common,v 1.25 2005/02/27 21:50:21 ppopov Exp $ ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y) obj-$(CONFIG_MTD) += map_funcs.o @@ -44,10 +44,7 @@ obj-$(CONFIG_MTD_DBOX2) += dbox2-flash.o obj-$(CONFIG_MTD_OCELOT) += ocelot.o obj-$(CONFIG_MTD_SOLUTIONENGINE)+= solutionengine.o obj-$(CONFIG_MTD_PCI) += pci.o -obj-$(CONFIG_MTD_PB1XXX) += pb1xxx-flash.o -obj-$(CONFIG_MTD_DB1X00) += db1x00-flash.o -obj-$(CONFIG_MTD_PB1550) += pb1550-flash.o -obj-$(CONFIG_MTD_DB1550) += db1550-flash.o +obj-$(CONFIG_MTD_ALCHEMY) += alchemy-flash.o obj-$(CONFIG_MTD_LASAT) += lasat.o obj-$(CONFIG_MTD_AUTCPU12) += autcpu12-nvram.o obj-$(CONFIG_MTD_EDB7312) += edb7312.o diff --git a/drivers/mtd/maps/alchemy-flash.c b/drivers/mtd/maps/alchemy-flash.c new file mode 100644 index 000000000000..27fd2a3c3b60 --- /dev/null +++ b/drivers/mtd/maps/alchemy-flash.c @@ -0,0 +1,192 @@ +/* + * Flash memory access on AMD Alchemy evaluation boards + * + * $Id: alchemy-flash.c,v 1.1 2005/02/27 21:50:21 ppopov Exp $ + * + * (C) 2003, 2004 Pete Popov + * + */ + +#include +#include +#include +#include +#include + +#include +#include +#include + +#include + +#ifdef DEBUG_RW +#define DBG(x...) printk(x) +#else +#define DBG(x...) +#endif + +#ifdef CONFIG_MIPS_PB1000 +#define BOARD_MAP_NAME "Pb1000 Flash" +#define BOARD_FLASH_SIZE 0x00800000 /* 8MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#endif + +#ifdef CONFIG_MIPS_PB1500 +#define BOARD_MAP_NAME "Pb1500 Flash" +#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#endif + +#ifdef CONFIG_MIPS_PB1100 +#define BOARD_MAP_NAME "Pb1100 Flash" +#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#endif + +#ifdef CONFIG_MIPS_PB1550 +#define BOARD_MAP_NAME "Pb1550 Flash" +#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#endif + +#ifdef CONFIG_MIPS_PB1200 +#define BOARD_MAP_NAME "Pb1200 Flash" +#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */ +#define BOARD_FLASH_WIDTH 2 /* 16-bits */ +#endif + +#ifdef CONFIG_MIPS_DB1000 +#define BOARD_MAP_NAME "Db1000 Flash" +#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#endif + +#ifdef CONFIG_MIPS_DB1500 +#define BOARD_MAP_NAME "Db1500 Flash" +#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#endif + +#ifdef CONFIG_MIPS_DB1100 +#define BOARD_MAP_NAME "Db1100 Flash" +#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#endif + +#ifdef CONFIG_MIPS_DB1550 +#define BOARD_MAP_NAME "Db1550 Flash" +#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#endif + +#ifdef CONFIG_MIPS_DB1200 +#define BOARD_MAP_NAME "Db1200 Flash" +#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */ +#define BOARD_FLASH_WIDTH 2 /* 16-bits */ +#endif + +#ifdef CONFIG_MIPS_HYDROGEN3 +#define BOARD_MAP_NAME "Hydrogen3 Flash" +#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#define USE_LOCAL_ACCESSORS /* why? */ +#endif + +#ifdef CONFIG_MIPS_BOSPORUS +#define BOARD_MAP_NAME "Bosporus Flash" +#define BOARD_FLASH_SIZE 0x01000000 /* 16MB */ +#define BOARD_FLASH_WIDTH 2 /* 16-bits */ +#endif + +#ifdef CONFIG_MIPS_MIRAGE +#define BOARD_MAP_NAME "Mirage Flash" +#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#define USE_LOCAL_ACCESSORS /* why? */ +#endif + +static struct map_info alchemy_map = { + .name = BOARD_MAP_NAME, +}; + +static struct mtd_partition alchemy_partitions[] = { + { + .name = "User FS", + .size = BOARD_FLASH_SIZE - 0x00400000, + .offset = 0x0000000 + },{ + .name = "YAMON", + .size = 0x0100000, + .offset = MTDPART_OFS_APPEND, + .mask_flags = MTD_WRITEABLE + },{ + .name = "raw kernel", + .size = (0x300000 - 0x40000), /* last 256KB is yamon env */ + .offset = MTDPART_OFS_APPEND, + } +}; + +#define NB_OF(x) (sizeof(x)/sizeof(x[0])) + +static struct mtd_info *mymtd; + +int __init alchemy_mtd_init(void) +{ + struct mtd_partition *parts; + int nb_parts = 0; + unsigned long window_addr; + unsigned long window_size; + + /* Default flash buswidth */ + alchemy_map.bankwidth = BOARD_FLASH_WIDTH; + + window_addr = 0x20000000 - BOARD_FLASH_SIZE; + window_size = BOARD_FLASH_SIZE; +#ifdef CONFIG_MIPS_MIRAGE_WHY + /* Boot ROM flash bank only; no user bank */ + window_addr = 0x1C000000; + window_size = 0x04000000; + /* USERFS from 0x1C00 0000 to 0x1FC00000 */ + alchemy_partitions[0].size = 0x03C00000; +#endif + + /* + * Static partition definition selection + */ + parts = alchemy_partitions; + nb_parts = NB_OF(alchemy_partitions); + alchemy_map.size = window_size; + + /* + * Now let's probe for the actual flash. Do it here since + * specific machine settings might have been set above. + */ + printk(KERN_NOTICE BOARD_MAP_NAME ": probing %d-bit flash bus\n", + alchemy_map.bankwidth*8); + alchemy_map.virt = ioremap(window_addr, window_size); + mymtd = do_map_probe("cfi_probe", &alchemy_map); + if (!mymtd) { + iounmap(alchemy_map.virt); + return -ENXIO; + } + mymtd->owner = THIS_MODULE; + + add_mtd_partitions(mymtd, parts, nb_parts); + return 0; +} + +static void __exit alchemy_mtd_cleanup(void) +{ + if (mymtd) { + del_mtd_partitions(mymtd); + map_destroy(mymtd); + iounmap(alchemy_map.virt); + } +} + +module_init(alchemy_mtd_init); +module_exit(alchemy_mtd_cleanup); + +MODULE_AUTHOR("Embedded Alley Solutions, Inc"); +MODULE_DESCRIPTION(BOARD_MAP_NAME " MTD driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/mtd/maps/db1550-flash.c b/drivers/mtd/maps/db1550-flash.c deleted file mode 100644 index d213888462a4..000000000000 --- a/drivers/mtd/maps/db1550-flash.c +++ /dev/null @@ -1,187 +0,0 @@ -/* - * Flash memory access on Alchemy Db1550 board - * - * $Id: db1550-flash.c,v 1.7 2004/11/04 13:24:14 gleixner Exp $ - * - * (C) 2004 Embedded Edge, LLC, based on db1550-flash.c: - * (C) 2003, 2004 Pete Popov - * - */ - -#include -#include -#include -#include -#include - -#include -#include -#include - -#include - -#ifdef DEBUG_RW -#define DBG(x...) printk(x) -#else -#define DBG(x...) -#endif - -static unsigned long window_addr; -static unsigned long window_size; - - -static struct map_info db1550_map = { - .name = "Db1550 flash", -}; - -static unsigned char flash_bankwidth = 4; - -/* - * Support only 64MB NOR Flash parts - */ - -#if defined(CONFIG_MTD_DB1550_BOOT) && defined(CONFIG_MTD_DB1550_USER) -#define DB1550_BOTH_BANKS -#elif defined(CONFIG_MTD_DB1550_BOOT) && !defined(CONFIG_MTD_DB1550_USER) -#define DB1550_BOOT_ONLY -#elif !defined(CONFIG_MTD_DB1550_BOOT) && defined(CONFIG_MTD_DB1550_USER) -#define DB1550_USER_ONLY -#endif - -#ifdef DB1550_BOTH_BANKS -/* both banks will be used. Combine the first bank and the first - * part of the second bank together into a single jffs/jffs2 - * partition. - */ -static struct mtd_partition db1550_partitions[] = { - /* assume boot[2:0]:swap is '0000' or '1000', which translates to: - * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash - * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash - */ - { - .name = "User FS", - .size = (0x1FC00000 - 0x18000000), - .offset = 0x0000000 - },{ - .name = "yamon", - .size = 0x0100000, - .offset = MTDPART_OFS_APPEND, - .mask_flags = MTD_WRITEABLE - },{ - .name = "raw kernel", - .size = (0x300000 - 0x40000), /* last 256KB is yamon env */ - .offset = MTDPART_OFS_APPEND, - } -}; -#elif defined(DB1550_BOOT_ONLY) -static struct mtd_partition db1550_partitions[] = { - /* assume boot[2:0]:swap is '0000' or '1000', which translates to: - * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash - */ - { - .name = "User FS", - .size = 0x03c00000, - .offset = 0x0000000 - },{ - .name = "yamon", - .size = 0x0100000, - .offset = MTDPART_OFS_APPEND, - .mask_flags = MTD_WRITEABLE - },{ - .name = "raw kernel", - .size = (0x300000-0x40000), /* last 256KB is yamon env */ - .offset = MTDPART_OFS_APPEND, - } -}; -#elif defined(DB1550_USER_ONLY) -static struct mtd_partition db1550_partitions[] = { - /* assume boot[2:0]:swap is '0000' or '1000', which translates to: - * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash - */ - { - .name = "User FS", - .size = (0x4000000 - 0x200000), /* reserve 2MB for raw kernel */ - .offset = 0x0000000 - },{ - .name = "raw kernel", - .size = MTDPART_SIZ_FULL, - .offset = MTDPART_OFS_APPEND, - } -}; -#else -#error MTD_DB1550 define combo error /* should never happen */ -#endif - -#define NB_OF(x) (sizeof(x)/sizeof(x[0])) - -static struct mtd_info *mymtd; - -/* - * Probe the flash density and setup window address and size - * based on user CONFIG options. There are times when we don't - * want the MTD driver to be probing the boot or user flash, - * so having the option to enable only one bank is important. - */ -int setup_flash_params(void) -{ -#if defined(DB1550_BOTH_BANKS) - window_addr = 0x18000000; - window_size = 0x8000000; -#elif defined(DB1550_BOOT_ONLY) - window_addr = 0x1C000000; - window_size = 0x4000000; -#else /* USER ONLY */ - window_addr = 0x18000000; - window_size = 0x4000000; -#endif - return 0; -} - -int __init db1550_mtd_init(void) -{ - struct mtd_partition *parts; - int nb_parts = 0; - - /* Default flash bankwidth */ - db1550_map.bankwidth = flash_bankwidth; - - if (setup_flash_params()) - return -ENXIO; - - /* - * Static partition definition selection - */ - parts = db1550_partitions; - nb_parts = NB_OF(db1550_partitions); - db1550_map.size = window_size; - - /* - * Now let's probe for the actual flash. Do it here since - * specific machine settings might have been set above. - */ - printk(KERN_NOTICE "Db1550 flash: probing %d-bit flash bus\n", - db1550_map.bankwidth*8); - db1550_map.virt = ioremap(window_addr, window_size); - mymtd = do_map_probe("cfi_probe", &db1550_map); - if (!mymtd) return -ENXIO; - mymtd->owner = THIS_MODULE; - - add_mtd_partitions(mymtd, parts, nb_parts); - return 0; -} - -static void __exit db1550_mtd_cleanup(void) -{ - if (mymtd) { - del_mtd_partitions(mymtd); - map_destroy(mymtd); - iounmap((void *) db1550_map.virt); - } -} - -module_init(db1550_mtd_init); -module_exit(db1550_mtd_cleanup); - -MODULE_AUTHOR("Embedded Edge, LLC"); -MODULE_DESCRIPTION("Db1550 mtd map driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/mtd/maps/db1x00-flash.c b/drivers/mtd/maps/db1x00-flash.c deleted file mode 100644 index faa68ec56902..000000000000 --- a/drivers/mtd/maps/db1x00-flash.c +++ /dev/null @@ -1,226 +0,0 @@ -/* - * Flash memory access on Alchemy Db1xxx boards - * - * $Id: db1x00-flash.c,v 1.6 2004/11/04 13:24:14 gleixner Exp $ - * - * (C) 2003 Pete Popov - * - */ - -#include -#include -#include -#include -#include - -#include -#include -#include - -#include - -#ifdef DEBUG_RW -#define DBG(x...) printk(x) -#else -#define DBG(x...) -#endif - -/* MTD CONFIG OPTIONS */ -#if defined(CONFIG_MTD_DB1X00_BOOT) && defined(CONFIG_MTD_DB1X00_USER) -#define DB1X00_BOTH_BANKS -#elif defined(CONFIG_MTD_DB1X00_BOOT) && !defined(CONFIG_MTD_DB1X00_USER) -#define DB1X00_BOOT_ONLY -#elif !defined(CONFIG_MTD_DB1X00_BOOT) && defined(CONFIG_MTD_DB1X00_USER) -#define DB1X00_USER_ONLY -#endif - -static unsigned long window_addr; -static unsigned long window_size; -static unsigned long flash_size; - -static unsigned short *bcsr = (unsigned short *)0xAE000000; -static unsigned char flash_bankwidth = 4; - -/* - * The Db1x boards support different flash densities. We setup - * the mtd_partition structures below for default of 64Mbit - * flash densities, and override the partitions sizes, if - * necessary, after we check the board status register. - */ - -#ifdef DB1X00_BOTH_BANKS -/* both banks will be used. Combine the first bank and the first - * part of the second bank together into a single jffs/jffs2 - * partition. - */ -static struct mtd_partition db1x00_partitions[] = { - { - .name = "User FS", - .size = 0x1c00000, - .offset = 0x0000000 - },{ - .name = "yamon", - .size = 0x0100000, - .offset = MTDPART_OFS_APPEND, - .mask_flags = MTD_WRITEABLE - },{ - .name = "raw kernel", - .size = (0x300000-0x40000), /* last 256KB is env */ - .offset = MTDPART_OFS_APPEND, - } -}; -#elif defined(DB1X00_BOOT_ONLY) -static struct mtd_partition db1x00_partitions[] = { - { - .name = "User FS", - .size = 0x00c00000, - .offset = 0x0000000 - },{ - .name = "yamon", - .size = 0x0100000, - .offset = MTDPART_OFS_APPEND, - .mask_flags = MTD_WRITEABLE - },{ - .name = "raw kernel", - .size = (0x300000-0x40000), /* last 256KB is env */ - .offset = MTDPART_OFS_APPEND, - } -}; -#elif defined(DB1X00_USER_ONLY) -static struct mtd_partition db1x00_partitions[] = { - { - .name = "User FS", - .size = 0x0e00000, - .offset = 0x0000000 - },{ - .name = "raw kernel", - .size = MTDPART_SIZ_FULL, - .offset = MTDPART_OFS_APPEND, - } -}; -#else -#error MTD_DB1X00 define combo error /* should never happen */ -#endif -#define NB_OF(x) (sizeof(x)/sizeof(x[0])) - -#define NAME "Db1x00 Linux Flash" - -static struct map_info db1xxx_mtd_map = { - .name = NAME, -}; - -static struct mtd_partition *parsed_parts; -static struct mtd_info *db1xxx_mtd; - -/* - * Probe the flash density and setup window address and size - * based on user CONFIG options. There are times when we don't - * want the MTD driver to be probing the boot or user flash, - * so having the option to enable only one bank is important. - */ -int setup_flash_params(void) -{ - switch ((bcsr[2] >> 14) & 0x3) { - case 0: /* 64Mbit devices */ - flash_size = 0x800000; /* 8MB per part */ -#if defined(DB1X00_BOTH_BANKS) - window_addr = 0x1E000000; - window_size = 0x2000000; -#elif defined(DB1X00_BOOT_ONLY) - window_addr = 0x1F000000; - window_size = 0x1000000; -#else /* USER ONLY */ - window_addr = 0x1E000000; - window_size = 0x1000000; -#endif - break; - case 1: - /* 128 Mbit devices */ - flash_size = 0x1000000; /* 16MB per part */ -#if defined(DB1X00_BOTH_BANKS) - window_addr = 0x1C000000; - window_size = 0x4000000; - /* USERFS from 0x1C00 0000 to 0x1FC0 0000 */ - db1x00_partitions[0].size = 0x3C00000; -#elif defined(DB1X00_BOOT_ONLY) - window_addr = 0x1E000000; - window_size = 0x2000000; - /* USERFS from 0x1E00 0000 to 0x1FC0 0000 */ - db1x00_partitions[0].size = 0x1C00000; -#else /* USER ONLY */ - window_addr = 0x1C000000; - window_size = 0x2000000; - /* USERFS from 0x1C00 0000 to 0x1DE00000 */ - db1x00_partitions[0].size = 0x1DE0000; -#endif - break; - case 2: - /* 256 Mbit devices */ - flash_size = 0x4000000; /* 64MB per part */ -#if defined(DB1X00_BOTH_BANKS) - return 1; -#elif defined(DB1X00_BOOT_ONLY) - /* Boot ROM flash bank only; no user bank */ - window_addr = 0x1C000000; - window_size = 0x4000000; - /* USERFS from 0x1C00 0000 to 0x1FC00000 */ - db1x00_partitions[0].size = 0x3C00000; -#else /* USER ONLY */ - return 1; -#endif - break; - default: - return 1; - } - db1xxx_mtd_map.size = window_size; - db1xxx_mtd_map.bankwidth = flash_bankwidth; - db1xxx_mtd_map.phys = window_addr; - db1xxx_mtd_map.bankwidth = flash_bankwidth; - return 0; -} - -int __init db1x00_mtd_init(void) -{ - struct mtd_partition *parts; - int nb_parts = 0; - - if (setup_flash_params()) - return -ENXIO; - - /* - * Static partition definition selection - */ - parts = db1x00_partitions; - nb_parts = NB_OF(db1x00_partitions); - - /* - * Now let's probe for the actual flash. Do it here since - * specific machine settings might have been set above. - */ - printk(KERN_NOTICE "Db1xxx flash: probing %d-bit flash bus\n", - db1xxx_mtd_map.bankwidth*8); - db1xxx_mtd_map.virt = ioremap(window_addr, window_size); - db1xxx_mtd = do_map_probe("cfi_probe", &db1xxx_mtd_map); - if (!db1xxx_mtd) return -ENXIO; - db1xxx_mtd->owner = THIS_MODULE; - - add_mtd_partitions(db1xxx_mtd, parts, nb_parts); - return 0; -} - -static void __exit db1x00_mtd_cleanup(void) -{ - if (db1xxx_mtd) { - del_mtd_partitions(db1xxx_mtd); - map_destroy(db1xxx_mtd); - if (parsed_parts) - kfree(parsed_parts); - } -} - -module_init(db1x00_mtd_init); -module_exit(db1x00_mtd_cleanup); - -MODULE_AUTHOR("Pete Popov"); -MODULE_DESCRIPTION("Db1x00 mtd map driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/mtd/maps/pb1550-flash.c b/drivers/mtd/maps/pb1550-flash.c deleted file mode 100644 index 1424726a219e..000000000000 --- a/drivers/mtd/maps/pb1550-flash.c +++ /dev/null @@ -1,203 +0,0 @@ -/* - * Flash memory access on Alchemy Pb1550 board - * - * $Id: pb1550-flash.c,v 1.6 2004/11/04 13:24:15 gleixner Exp $ - * - * (C) 2004 Embedded Edge, LLC, based on pb1550-flash.c: - * (C) 2003 Pete Popov - * - */ - -#include -#include -#include -#include -#include - -#include -#include -#include - -#include -#include -#include - -#ifdef DEBUG_RW -#define DBG(x...) printk(x) -#else -#define DBG(x...) -#endif - -static unsigned long window_addr; -static unsigned long window_size; - - -static struct map_info pb1550_map = { - .name = "Pb1550 flash", -}; - -static unsigned char flash_bankwidth = 4; - -/* - * Support only 64MB NOR Flash parts - */ - -#ifdef PB1550_BOTH_BANKS -/* both banks will be used. Combine the first bank and the first - * part of the second bank together into a single jffs/jffs2 - * partition. - */ -static struct mtd_partition pb1550_partitions[] = { - /* assume boot[2:0]:swap is '0000' or '1000', which translates to: - * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash - * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash - */ - { - .name = "User FS", - .size = (0x1FC00000 - 0x18000000), - .offset = 0x0000000 - },{ - .name = "yamon", - .size = 0x0100000, - .offset = MTDPART_OFS_APPEND, - .mask_flags = MTD_WRITEABLE - },{ - .name = "raw kernel", - .size = (0x300000 - 0x40000), /* last 256KB is yamon env */ - .offset = MTDPART_OFS_APPEND, - } -}; -#elif defined(PB1550_BOOT_ONLY) -static struct mtd_partition pb1550_partitions[] = { - /* assume boot[2:0]:swap is '0000' or '1000', which translates to: - * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash - */ - { - .name = "User FS", - .size = 0x03c00000, - .offset = 0x0000000 - },{ - .name = "yamon", - .size = 0x0100000, - .offset = MTDPART_OFS_APPEND, - .mask_flags = MTD_WRITEABLE - },{ - .name = "raw kernel", - .size = (0x300000-0x40000), /* last 256KB is yamon env */ - .offset = MTDPART_OFS_APPEND, - } -}; -#elif defined(PB1550_USER_ONLY) -static struct mtd_partition pb1550_partitions[] = { - /* assume boot[2:0]:swap is '0000' or '1000', which translates to: - * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash - */ - { - .name = "User FS", - .size = (0x4000000 - 0x200000), /* reserve 2MB for raw kernel */ - .offset = 0x0000000 - },{ - .name = "raw kernel", - .size = MTDPART_SIZ_FULL, - .offset = MTDPART_OFS_APPEND, - } -}; -#else -#error MTD_PB1550 define combo error /* should never happen */ -#endif - -#define NB_OF(x) (sizeof(x)/sizeof(x[0])) - -static struct mtd_info *mymtd; - -/* - * Probe the flash density and setup window address and size - * based on user CONFIG options. There are times when we don't - * want the MTD driver to be probing the boot or user flash, - * so having the option to enable only one bank is important. - */ -int setup_flash_params(void) -{ - u16 boot_swapboot; - boot_swapboot = (au_readl(MEM_STSTAT) & (0x7<<1)) | - ((bcsr->status >> 6) & 0x1); - printk("Pb1550 MTD: boot:swap %d\n", boot_swapboot); - - switch (boot_swapboot) { - case 0: /* 512Mbit devices, both enabled */ - case 1: - case 8: - case 9: -#if defined(PB1550_BOTH_BANKS) - window_addr = 0x18000000; - window_size = 0x8000000; -#elif defined(PB1550_BOOT_ONLY) - window_addr = 0x1C000000; - window_size = 0x4000000; -#else /* USER ONLY */ - window_addr = 0x1E000000; - window_size = 0x4000000; -#endif - break; - case 0xC: - case 0xD: - case 0xE: - case 0xF: - /* 64 MB Boot NOR Flash is disabled */ - /* and the start address is moved to 0x0C00000 */ - window_addr = 0x0C000000; - window_size = 0x4000000; - default: - printk("Pb1550 MTD: unsupported boot:swap setting\n"); - return 1; - } - return 0; -} - -int __init pb1550_mtd_init(void) -{ - struct mtd_partition *parts; - int nb_parts = 0; - - /* Default flash bankwidth */ - pb1550_map.bankwidth = flash_bankwidth; - - if (setup_flash_params()) - return -ENXIO; - - /* - * Static partition definition selection - */ - parts = pb1550_partitions; - nb_parts = NB_OF(pb1550_partitions); - pb1550_map.size = window_size; - - /* - * Now let's probe for the actual flash. Do it here since - * specific machine settings might have been set above. - */ - printk(KERN_NOTICE "Pb1550 flash: probing %d-bit flash bus\n", - pb1550_map.bankwidth*8); - pb1550_map.virt = ioremap(window_addr, window_size); - mymtd = do_map_probe("cfi_probe", &pb1550_map); - if (!mymtd) return -ENXIO; - mymtd->owner = THIS_MODULE; - - add_mtd_partitions(mymtd, parts, nb_parts); - return 0; -} - -static void __exit pb1550_mtd_cleanup(void) -{ - if (mymtd) { - del_mtd_partitions(mymtd); - map_destroy(mymtd); - } -} - -module_init(pb1550_mtd_init); -module_exit(pb1550_mtd_cleanup); - -MODULE_AUTHOR("Embedded Edge, LLC"); -MODULE_DESCRIPTION("Pb1550 mtd map driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/mtd/maps/pb1xxx-flash.c b/drivers/mtd/maps/pb1xxx-flash.c deleted file mode 100644 index 06e731540552..000000000000 --- a/drivers/mtd/maps/pb1xxx-flash.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Flash memory access on Alchemy Pb1xxx boards - * - * (C) 2001 Pete Popov - * - * $Id: pb1xxx-flash.c,v 1.14 2004/11/04 13:24:15 gleixner Exp $ - */ - -#include -#include -#include -#include -#include - -#include -#include -#include - -#include - -#ifdef DEBUG_RW -#define DBG(x...) printk(x) -#else -#define DBG(x...) -#endif - -#ifdef CONFIG_MIPS_PB1000 - -#define WINDOW_ADDR 0x1F800000 -#define WINDOW_SIZE 0x800000 - -static struct mtd_partition pb1xxx_partitions[] = { - { - .name = "yamon env", - .size = 0x00020000, - .offset = 0, - .mask_flags = MTD_WRITEABLE}, - { - .name = "User FS", - .size = 0x003e0000, - .offset = 0x20000,}, - { - .name = "boot code", - .size = 0x100000, - .offset = 0x400000, - .mask_flags = MTD_WRITEABLE}, - { - .name = "raw/kernel", - .size = 0x300000, - .offset = 0x500000} -}; - -#elif defined(CONFIG_MIPS_PB1500) || defined(CONFIG_MIPS_PB1100) - -#if defined(CONFIG_MTD_PB1500_BOOT) && defined(CONFIG_MTD_PB1500_USER) -/* both 32MB banks will be used. Combine the first 32MB bank and the - * first 28MB of the second bank together into a single jffs/jffs2 - * partition. - */ -#define WINDOW_ADDR 0x1C000000 -#define WINDOW_SIZE 0x4000000 -static struct mtd_partition pb1xxx_partitions[] = { - { - .name = "User FS", - .size = 0x3c00000, - .offset = 0x0000000 - },{ - .name = "yamon", - .size = 0x0100000, - .offset = 0x3c00000, - .mask_flags = MTD_WRITEABLE - },{ - .name = "raw kernel", - .size = 0x02c0000, - .offset = 0x3d00000 - } -}; -#elif defined(CONFIG_MTD_PB1500_BOOT) && !defined(CONFIG_MTD_PB1500_USER) -#define WINDOW_ADDR 0x1E000000 -#define WINDOW_SIZE 0x2000000 -static struct mtd_partition pb1xxx_partitions[] = { - { - .name = "User FS", - .size = 0x1c00000, - .offset = 0x0000000 - },{ - .name = "yamon", - .size = 0x0100000, - .offset = 0x1c00000, - .mask_flags = MTD_WRITEABLE - },{ - .name = "raw kernel", - .size = 0x02c0000, - .offset = 0x1d00000 - } -}; -#elif !defined(CONFIG_MTD_PB1500_BOOT) && defined(CONFIG_MTD_PB1500_USER) -#define WINDOW_ADDR 0x1C000000 -#define WINDOW_SIZE 0x2000000 -static struct mtd_partition pb1xxx_partitions[] = { - { - .name = "User FS", - .size = 0x1e00000, - .offset = 0x0000000 - },{ - .name = "raw kernel", - .size = 0x0200000, - .offset = 0x1e00000, - } -}; -#else -#error MTD_PB1500 define combo error /* should never happen */ -#endif -#else -#error Unsupported board -#endif - -#define NAME "Pb1x00 Linux Flash" -#define PADDR WINDOW_ADDR -#define BUSWIDTH 4 -#define SIZE WINDOW_SIZE -#define PARTITIONS 4 - -static struct map_info pb1xxx_mtd_map = { - .name = NAME, - .size = SIZE, - .bankwidth = BUSWIDTH, - .phys = PADDR, -}; - -static struct mtd_info *pb1xxx_mtd; - -int __init pb1xxx_mtd_init(void) -{ - struct mtd_partition *parts; - int nb_parts = 0; - char *part_type; - - /* - * Static partition definition selection - */ - part_type = "static"; - parts = pb1xxx_partitions; - nb_parts = ARRAY_SIZE(pb1xxx_partitions); - - /* - * Now let's probe for the actual flash. Do it here since - * specific machine settings might have been set above. - */ - printk(KERN_NOTICE "Pb1xxx flash: probing %d-bit flash bus\n", - BUSWIDTH*8); - pb1xxx_mtd_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE); - - simple_map_init(&pb1xxx_mtd_map); - - pb1xxx_mtd = do_map_probe("cfi_probe", &pb1xxx_mtd_map); - if (!pb1xxx_mtd) return -ENXIO; - pb1xxx_mtd->owner = THIS_MODULE; - - add_mtd_partitions(pb1xxx_mtd, parts, nb_parts); - return 0; -} - -static void __exit pb1xxx_mtd_cleanup(void) -{ - if (pb1xxx_mtd) { - del_mtd_partitions(pb1xxx_mtd); - map_destroy(pb1xxx_mtd); - iounmap((void *) pb1xxx_mtd_map.virt); - } -} - -module_init(pb1xxx_mtd_init); -module_exit(pb1xxx_mtd_cleanup); - -MODULE_AUTHOR("Pete Popov"); -MODULE_DESCRIPTION("Pb1xxx CFI map driver"); -MODULE_LICENSE("GPL"); -- cgit v1.2.3 From b4eab4b8d633ff1d65dac5cfb07949489f68ae26 Mon Sep 17 00:00:00 2001 From: David Vrabel Date: Wed, 2 Mar 2005 14:51:08 +0000 Subject: [MTD] Remove Elan-104NC Remove support for the Arcom Elan-104NC since it's no longer being maintained. Signed-off-by: David Vrabel Signed-off-by: Thomas Gleixner --- drivers/mtd/maps/Kconfig | 12 +-- drivers/mtd/maps/Makefile | 3 +- drivers/mtd/maps/elan-104nc.c | 228 ------------------------------------------ 3 files changed, 2 insertions(+), 241 deletions(-) delete mode 100644 drivers/mtd/maps/elan-104nc.c (limited to 'drivers/mtd/maps/Kconfig') diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index f036de8080b9..d3699e9f3942 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -1,5 +1,5 @@ # drivers/mtd/maps/Kconfig -# $Id: Kconfig,v 1.45 2005/02/27 21:50:21 ppopov Exp $ +# $Id: Kconfig,v 1.46 2005/03/02 14:51:04 dvrabel Exp $ menu "Mapping drivers for chip access" depends on MTD!=n @@ -122,16 +122,6 @@ config MTD_SBC_GXX More info at . -config MTD_ELAN_104NC - tristate "CFI Flash device mapped on Arcom ELAN-104NC" - depends on X86 && MTD_CFI_INTELEXT && MTD_PARTITIONS && MTD_COMPLEX_MAPPINGS - help - This provides a driver for the on-board flash of the Arcom Control - System's ELAN-104NC development board. By default the flash - is split into 3 partitions which are accessed as separate MTD - devices. This board utilizes Intel StrataFlash. More info at - . - config MTD_LUBBOCK tristate "CFI Flash device mapped on Intel Lubbock XScale eval board" depends on ARCH_LUBBOCK && MTD_CFI_INTELEXT && MTD_PARTITIONS diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index d0639a85cb12..164cafc101ca 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -1,7 +1,7 @@ # # linux/drivers/maps/Makefile # -# $Id: Makefile.common,v 1.25 2005/02/27 21:50:21 ppopov Exp $ +# $Id: Makefile.common,v 1.26 2005/03/02 14:51:04 dvrabel Exp $ ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y) obj-$(CONFIG_MTD) += map_funcs.o @@ -15,7 +15,6 @@ obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o obj-$(CONFIG_MTD_CSTM_MIPS_IXX) += cstm_mips_ixx.o obj-$(CONFIG_MTD_DC21285) += dc21285.o obj-$(CONFIG_MTD_DILNETPC) += dilnetpc.o -obj-$(CONFIG_MTD_ELAN_104NC) += elan-104nc.o obj-$(CONFIG_MTD_EPXA10DB) += epxa10db-flash.o obj-$(CONFIG_MTD_IQ80310) += iq80310.o obj-$(CONFIG_MTD_L440GX) += l440gx.o diff --git a/drivers/mtd/maps/elan-104nc.c b/drivers/mtd/maps/elan-104nc.c deleted file mode 100644 index e9465f5c069e..000000000000 --- a/drivers/mtd/maps/elan-104nc.c +++ /dev/null @@ -1,228 +0,0 @@ -/* elan-104nc.c -- MTD map driver for Arcom Control Systems ELAN-104NC - - Copyright (C) 2000 Arcom Control System Ltd - - 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. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - - $Id: elan-104nc.c,v 1.25 2004/11/28 09:40:39 dwmw2 Exp $ - -The ELAN-104NC has up to 8 Mibyte of Intel StrataFlash (28F320/28F640) in x16 -mode. This drivers uses the CFI probe and Intel Extended Command Set drivers. - -The flash is accessed as follows: - - 32 kbyte memory window at 0xb0000-0xb7fff - - 16 bit I/O port (0x22) for some sort of paging. - -The single flash device is divided into 3 partition which appear as separate -MTD devices. - -Linux thinks that the I/O port is used by the PIC and hence check_region() will -always fail. So we don't do it. I just hope it doesn't break anything. -*/ -#include -#include -#include -#include -#include - -#include -#include -#include - -#define WINDOW_START 0xb0000 -/* Number of bits in offset. */ -#define WINDOW_SHIFT 15 -#define WINDOW_LENGTH (1 << WINDOW_SHIFT) -/* The bits for the offset into the window. */ -#define WINDOW_MASK (WINDOW_LENGTH-1) -#define PAGE_IO 0x22 -#define PAGE_IO_SIZE 2 - -static volatile int page_in_window = -1; // Current page in window. -static void __iomem *iomapadr; -static DEFINE_SPINLOCK(elan_104nc_spin); - -/* partition_info gives details on the logical partitions that the split the - * single flash device into. If the size if zero we use up to the end of the - * device. */ -static struct mtd_partition partition_info[]={ - { .name = "ELAN-104NC flash boot partition", - .offset = 0, - .size = 640*1024 }, - { .name = "ELAN-104NC flash partition 1", - .offset = 640*1024, - .size = 896*1024 }, - { .name = "ELAN-104NC flash partition 2", - .offset = (640+896)*1024 } -}; -#define NUM_PARTITIONS (sizeof(partition_info)/sizeof(partition_info[0])) - -/* - * If no idea what is going on here. This is taken from the FlashFX stuff. - */ -#define ROMCS 1 - -static inline void elan_104nc_setup(void) -{ - u16 t; - - outw( 0x0023 + ROMCS*2, PAGE_IO ); - t=inb( PAGE_IO+1 ); - - t=(t & 0xf9) | 0x04; - - outw( ((0x0023 + ROMCS*2) | (t << 8)), PAGE_IO ); -} - -static inline void elan_104nc_page(struct map_info *map, unsigned long ofs) -{ - unsigned long page = ofs >> WINDOW_SHIFT; - - if( page!=page_in_window ) { - int cmd1; - int cmd2; - - cmd1=(page & 0x700) + 0x0833 + ROMCS*0x4000; - cmd2=((page & 0xff) << 8) + 0x0032; - - outw( cmd1, PAGE_IO ); - outw( cmd2, PAGE_IO ); - - page_in_window = page; - } -} - - -static map_word elan_104nc_read16(struct map_info *map, unsigned long ofs) -{ - map_word ret; - spin_lock(&elan_104nc_spin); - elan_104nc_page(map, ofs); - ret.x[0] = readw(iomapadr + (ofs & WINDOW_MASK)); - spin_unlock(&elan_104nc_spin); - return ret; -} - -static void elan_104nc_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) -{ - while (len) { - unsigned long thislen = len; - if (len > (WINDOW_LENGTH - (from & WINDOW_MASK))) - thislen = WINDOW_LENGTH-(from & WINDOW_MASK); - - spin_lock(&elan_104nc_spin); - elan_104nc_page(map, from); - memcpy_fromio(to, iomapadr + (from & WINDOW_MASK), thislen); - spin_unlock(&elan_104nc_spin); - to += thislen; - from += thislen; - len -= thislen; - } -} - -static void elan_104nc_write16(struct map_info *map, map_word d, unsigned long adr) -{ - spin_lock(&elan_104nc_spin); - elan_104nc_page(map, adr); - writew(d.x[0], iomapadr + (adr & WINDOW_MASK)); - spin_unlock(&elan_104nc_spin); -} - -static void elan_104nc_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) -{ - while(len) { - unsigned long thislen = len; - if (len > (WINDOW_LENGTH - (to & WINDOW_MASK))) - thislen = WINDOW_LENGTH-(to & WINDOW_MASK); - - spin_lock(&elan_104nc_spin); - elan_104nc_page(map, to); - memcpy_toio(iomapadr + (to & WINDOW_MASK), from, thislen); - spin_unlock(&elan_104nc_spin); - to += thislen; - from += thislen; - len -= thislen; - } -} - -static struct map_info elan_104nc_map = { - .name = "ELAN-104NC flash", - .phys = NO_XIP, - .size = 8*1024*1024, /* this must be set to a maximum possible amount - of flash so the cfi probe routines find all - the chips */ - .bankwidth = 2, - .read = elan_104nc_read16, - .copy_from = elan_104nc_copy_from, - .write = elan_104nc_write16, - .copy_to = elan_104nc_copy_to -}; - -/* MTD device for all of the flash. */ -static struct mtd_info *all_mtd; - -static void cleanup_elan_104nc(void) -{ - if( all_mtd ) { - del_mtd_partitions( all_mtd ); - map_destroy( all_mtd ); - } - - iounmap(iomapadr); -} - -static int __init init_elan_104nc(void) -{ - /* Urg! We use I/O port 0x22 without request_region()ing it, - because it's already allocated to the PIC. */ - - iomapadr = ioremap(WINDOW_START, WINDOW_LENGTH); - if (!iomapadr) { - printk( KERN_ERR"%s: failed to ioremap memory region\n", - elan_104nc_map.name ); - return -EIO; - } - - printk( KERN_INFO"%s: IO:0x%x-0x%x MEM:0x%x-0x%x\n", - elan_104nc_map.name, - PAGE_IO, PAGE_IO+PAGE_IO_SIZE-1, - WINDOW_START, WINDOW_START+WINDOW_LENGTH-1 ); - - elan_104nc_setup(); - - /* Probe for chip. */ - all_mtd = do_map_probe("cfi_probe", &elan_104nc_map ); - if( !all_mtd ) { - cleanup_elan_104nc(); - return -ENXIO; - } - - all_mtd->owner = THIS_MODULE; - - /* Create MTD devices for each partition. */ - add_mtd_partitions( all_mtd, partition_info, NUM_PARTITIONS ); - - return 0; -} - -module_init(init_elan_104nc); -module_exit(cleanup_elan_104nc); - - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Arcom Control Systems Ltd."); -MODULE_DESCRIPTION("MTD map driver for Arcom Control Systems ELAN-104NC"); -- cgit v1.2.3 From 3c45e00afcaa22c65cfb7f77649591db9e0bec03 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Fri, 18 Mar 2005 02:07:24 +0000 Subject: [MTD] Fix typo in Kconfig Signed-off-by: Thomas Gleixner --- drivers/mtd/maps/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/mtd/maps/Kconfig') diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index d3699e9f3942..8d27dbf3fa8e 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -1,5 +1,5 @@ # drivers/mtd/maps/Kconfig -# $Id: Kconfig,v 1.46 2005/03/02 14:51:04 dvrabel Exp $ +# $Id: Kconfig,v 1.51 2005/03/18 02:07:22 gleixner Exp $ menu "Mapping drivers for chip access" depends on MTD!=n @@ -588,7 +588,7 @@ config MTD_SHARP_SL This enables access to the flash chip on the Sharp SL Series of PDAs. config MTD_PLATRAM - tristate "Map driver for platfrom device RAM (mtd-ram)" + tristate "Map driver for platform device RAM (mtd-ram)" depends on MTD select MTD_RAM help -- cgit v1.2.3 From cbec19aeb3a3bfafe1d38f6efbea6a7023d31cb9 Mon Sep 17 00:00:00 2001 From: Nico Pitre Date: Fri, 1 Jul 2005 23:55:24 +0100 Subject: [MTD] Add mapping driver for Intel PXA27x Mainstone board flash. From: Nicolas Pitre Signed-off-by: Todd Poynor Signed-off-by: Thomas Gleixner --- drivers/mtd/maps/Kconfig | 10 ++- drivers/mtd/maps/Makefile | 3 +- drivers/mtd/maps/mainstone-flash.c | 178 +++++++++++++++++++++++++++++++++++++ 3 files changed, 189 insertions(+), 2 deletions(-) create mode 100644 drivers/mtd/maps/mainstone-flash.c (limited to 'drivers/mtd/maps/Kconfig') diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index 8d27dbf3fa8e..dbe1716c9724 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -1,5 +1,5 @@ # drivers/mtd/maps/Kconfig -# $Id: Kconfig,v 1.51 2005/03/18 02:07:22 gleixner Exp $ +# $Id: Kconfig,v 1.54 2005/06/30 22:41:36 tpoynor Exp $ menu "Mapping drivers for chip access" depends on MTD!=n @@ -129,6 +129,14 @@ config MTD_LUBBOCK 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 + select MTD_PARTITIONS + help + This provides a driver for the on-board flash of the Intel + 'Mainstone PXA27x evaluation board. + config MTD_OCTAGON tristate "JEDEC Flash device mapped on Octagon 5066 SBC" depends on X86 && MTD_JEDEC && MTD_COMPLEX_MAPPINGS diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index 164cafc101ca..789a4b76890d 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -1,7 +1,7 @@ # # linux/drivers/maps/Makefile # -# $Id: Makefile.common,v 1.26 2005/03/02 14:51:04 dvrabel Exp $ +# $Id: Makefile.common,v 1.29 2005/06/30 22:41:36 tpoynor Exp $ ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y) obj-$(CONFIG_MTD) += map_funcs.o @@ -22,6 +22,7 @@ obj-$(CONFIG_MTD_AMD76XROM) += amd76xrom.o obj-$(CONFIG_MTD_ICHXROM) += ichxrom.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_MBX860) += mbx860.o obj-$(CONFIG_MTD_CEIVA) += ceiva.o obj-$(CONFIG_MTD_OCTAGON) += octagon-5066.o diff --git a/drivers/mtd/maps/mainstone-flash.c b/drivers/mtd/maps/mainstone-flash.c new file mode 100644 index 000000000000..87e93fa60588 --- /dev/null +++ b/drivers/mtd/maps/mainstone-flash.c @@ -0,0 +1,178 @@ +/* + * $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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + + +#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 "); +MODULE_DESCRIPTION("MTD map driver for Intel Mainstone"); -- cgit v1.2.3 From 10c96f2ec37f5369a785cf8c5a065a15e323c743 Mon Sep 17 00:00:00 2001 From: Todd Poynor Date: Sat, 2 Jul 2005 02:53:28 +0100 Subject: [MTD] NOR flash map driver for TI OMAP boards. From: David Brownell, Jian Zhang , Tony Lindgren and others. Signed-off-by: Todd Poynor Signed-off-by: Thomas Gleixner --- drivers/mtd/maps/Kconfig | 11 ++- drivers/mtd/maps/Makefile | 3 +- drivers/mtd/maps/omap_nor.c | 179 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 191 insertions(+), 2 deletions(-) create mode 100644 drivers/mtd/maps/omap_nor.c (limited to 'drivers/mtd/maps/Kconfig') diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index dbe1716c9724..ac853d4d1668 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -1,5 +1,5 @@ # drivers/mtd/maps/Kconfig -# $Id: Kconfig,v 1.54 2005/06/30 22:41:36 tpoynor Exp $ +# $Id: Kconfig,v 1.55 2005/07/02 01:53:24 tpoynor Exp $ menu "Mapping drivers for chip access" depends on MTD!=n @@ -523,6 +523,15 @@ config MTD_MPC1211 This enables access to the flash chips on the Interface MPC-1211(CTP/PCI/MPC-SH02). If you have such a board, say 'Y'. +config MTD_OMAP_NOR + tristate "TI OMAP board mappings" + depends on MTD_CFI && ARCH_OMAP + help + This enables access to the NOR flash chips on TI OMAP-based + boards defining flash platform devices and flash platform data. + These boards include the Innovator, H2, H3, OSK, Perseus2, and + more. If you have such a board, say 'Y'. + # This needs CFI or JEDEC, depending on the cards found. config MTD_PCI tristate "PCI MTD driver" diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index 789a4b76890d..7bcbc49e329f 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -1,7 +1,7 @@ # # linux/drivers/maps/Makefile # -# $Id: Makefile.common,v 1.29 2005/06/30 22:41:36 tpoynor Exp $ +# $Id: Makefile.common,v 1.30 2005/07/02 01:53:24 tpoynor Exp $ ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y) obj-$(CONFIG_MTD) += map_funcs.o @@ -69,3 +69,4 @@ obj-$(CONFIG_MTD_WRSBC8260) += wr_sbc82xx_flash.o obj-$(CONFIG_MTD_DMV182) += dmv182.o obj-$(CONFIG_MTD_SHARP_SL) += sharpsl-flash.o obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o +obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o diff --git a/drivers/mtd/maps/omap_nor.c b/drivers/mtd/maps/omap_nor.c new file mode 100644 index 000000000000..8cc71409a328 --- /dev/null +++ b/drivers/mtd/maps/omap_nor.c @@ -0,0 +1,179 @@ +/* + * Flash memory support for various TI OMAP boards + * + * Copyright (C) 2001-2002 MontaVista Software Inc. + * Copyright (C) 2003-2004 Texas Instruments + * Copyright (C) 2004 Nokia Corporation + * + * Assembled using driver code copyright the companies above + * and written by David Brownell, Jian Zhang , + * Tony Lindgren and others. + * + * 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. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#ifdef CONFIG_MTD_PARTITIONS +static const char *part_probes[] = { /* "RedBoot", */ "cmdlinepart", NULL }; +#endif + +struct omapflash_info { + struct mtd_partition *parts; + struct mtd_info *mtd; + struct map_info map; +}; + +static void omap_set_vpp(struct map_info *map, int enable) +{ + static int count; + + if (enable) { + if (count++ == 0) + OMAP_EMIFS_CONFIG_REG |= OMAP_EMIFS_CONFIG_WP; + } else { + if (count && (--count == 0)) + OMAP_EMIFS_CONFIG_REG &= ~OMAP_EMIFS_CONFIG_WP; + } +} + +static int __devinit omapflash_probe(struct device *dev) +{ + int err; + struct omapflash_info *info; + struct platform_device *pdev = to_platform_device(dev); + struct flash_platform_data *pdata = pdev->dev.platform_data; + struct resource *res = pdev->resource; + unsigned long size = res->end - res->start + 1; + + info = kmalloc(sizeof(struct omapflash_info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + memset(info, 0, sizeof(struct omapflash_info)); + + if (!request_mem_region(res->start, size, "flash")) { + err = -EBUSY; + goto out_free_info; + } + + info->map.virt = ioremap(res->start, size); + if (!info->map.virt) { + err = -ENOMEM; + goto out_release_mem_region; + } + info->map.name = pdev->dev.bus_id; + info->map.phys = res->start; + info->map.size = size; + info->map.bankwidth = pdata->width; + info->map.set_vpp = omap_set_vpp; + + simple_map_init(&info->map); + info->mtd = do_map_probe(pdata->map_name, &info->map); + if (!info->mtd) { + err = -EIO; + goto out_iounmap; + } + info->mtd->owner = THIS_MODULE; + +#ifdef CONFIG_MTD_PARTITIONS + err = parse_mtd_partitions(info->mtd, part_probes, &info->parts, 0); + if (err > 0) + add_mtd_partitions(info->mtd, info->parts, err); + else if (err < 0 && pdata->parts) + add_mtd_partitions(info->mtd, pdata->parts, pdata->nr_parts); + else +#endif + add_mtd_device(info->mtd); + + dev_set_drvdata(&pdev->dev, info); + + return 0; + +out_iounmap: + iounmap(info->map.virt); +out_release_mem_region: + release_mem_region(res->start, size); +out_free_info: + kfree(info); + + return err; +} + +static int __devexit omapflash_remove(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct omapflash_info *info = dev_get_drvdata(&pdev->dev); + + dev_set_drvdata(&pdev->dev, NULL); + + if (info) { + if (info->parts) { + del_mtd_partitions(info->mtd); + kfree(info->parts); + } else + del_mtd_device(info->mtd); + map_destroy(info->mtd); + release_mem_region(info->map.phys, info->map.size); + iounmap((void __iomem *) info->map.virt); + kfree(info); + } + + return 0; +} + +static struct device_driver omapflash_driver = { + .name = "omapflash", + .bus = &platform_bus_type, + .probe = omapflash_probe, + .remove = __devexit_p(omapflash_remove), +}; + +static int __init omapflash_init(void) +{ + return driver_register(&omapflash_driver); +} + +static void __exit omapflash_exit(void) +{ + driver_unregister(&omapflash_driver); +} + +module_init(omapflash_init); +module_exit(omapflash_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("MTD NOR map driver for TI OMAP boards"); + -- cgit v1.2.3