diff options
Diffstat (limited to 'drivers/mtd/maps')
61 files changed, 2021 insertions, 6708 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index 82923bd2d9c..21b2874a303 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -1,7 +1,6 @@ -# drivers/mtd/maps/Kconfig - menu "Mapping drivers for chip access" depends on MTD!=n + depends on HAS_IOMEM config MTD_COMPLEX_MAPPINGS bool "Support non-linear mappings of flash chips" @@ -43,8 +42,6 @@ config MTD_PHYSMAP_START are mapped on your particular target board. Refer to the memory map which should hopefully be in the documentation for your board. - Ignore this option if you use run-time physmap configuration - (i.e., run-time calling physmap_configure()). config MTD_PHYSMAP_LEN hex "Physical length of flash mapping" @@ -57,8 +54,6 @@ config MTD_PHYSMAP_LEN than the total amount of flash present. Refer to the memory map which should hopefully be in the documentation for your board. - Ignore this option if you use run-time physmap configuration - (i.e., run-time calling physmap_configure()). config MTD_PHYSMAP_BANKWIDTH int "Bank width in octets" @@ -69,22 +64,19 @@ config MTD_PHYSMAP_BANKWIDTH in octets. For example, if you have a data bus width of 32 bits, you would set the bus width octet value to 4. This is used internally by the CFI drivers. - Ignore this option if you use run-time physmap configuration - (i.e., run-time calling physmap_configure()). config MTD_PHYSMAP_OF - tristate "Flash device in physical memory map based on OF description" - depends on PPC_OF && (MTD_CFI || MTD_JEDECPROBE || MTD_ROM) + tristate "Memory device in physical memory map based on OF description" + depends on OF && (MTD_CFI || MTD_JEDECPROBE || MTD_ROM || MTD_RAM) help - This provides a 'mapping' driver which allows the NOR Flash and - ROM driver code to communicate with chips which are mapped + This provides a 'mapping' driver which allows the NOR Flash, ROM + and RAM driver code to communicate with chips which are mapped physically into the CPU's memory. The mapping description here is taken from OF device tree. config MTD_PMC_MSP_EVM tristate "CFI Flash device mapped on PMC-Sierra MSP" depends on PMC_MSP && MTD_CFI - select MTD_PARTITIONS help This provides a 'mapping' driver which supports the way in which user-programmable flash chips are connected on the @@ -105,15 +97,6 @@ config MSP_FLASH_MAP_LIMIT default "0x02000000" depends on MSP_FLASH_MAP_LIMIT_32M -config MTD_PMC_MSP_RAMROOT - tristate "Embedded RAM block device for root on PMC-Sierra MSP" - depends on PMC_MSP_EMBEDDED_ROOTFS && \ - (MTD_BLOCK || MTD_BLOCK_RO) && \ - MTD_RAM - help - This provides support for the embedded root file system - on PMC MSP devices. This memory is mapped as a MTD block device. - config MTD_SUN_UFLASH tristate "Sun Microsystems userflash support" depends on SPARC && MTD_CFI && PCI @@ -125,7 +108,7 @@ config MTD_SUN_UFLASH config MTD_SC520CDP tristate "CFI Flash device mapped on AMD SC520 CDP" - depends on X86 && MTD_CFI && MTD_CONCAT + depends on (MELAN || COMPILE_TEST) && MTD_CFI help The SC520 CDP board has two banks of CFI-compliant chips and one Dual-in-line JEDEC chip. This 'mapping' driver supports that @@ -133,7 +116,7 @@ config MTD_SC520CDP config MTD_NETSC520 tristate "CFI Flash device mapped on AMD NetSc520" - depends on X86 && MTD_CFI && MTD_PARTITIONS + depends on (MELAN || COMPILE_TEST) && MTD_CFI help This enables access routines for the flash chips on the AMD NetSc520 demonstration board. If you have one of these boards and would like @@ -141,8 +124,7 @@ config MTD_NETSC520 config MTD_TS5500 tristate "JEDEC Flash device mapped on Technologic Systems TS-5500" - depends on X86 - select MTD_PARTITIONS + depends on TS5500 || COMPILE_TEST select MTD_JEDECPROBE select MTD_CFI_AMDSTD help @@ -160,7 +142,7 @@ config MTD_TS5500 config MTD_SBC_GXX tristate "CFI Flash device mapped on Arcom SBC-GXx boards" - depends on X86 && MTD_CFI_INTELEXT && MTD_PARTITIONS && MTD_COMPLEX_MAPPINGS + depends on X86 && MTD_CFI_INTELEXT && MTD_COMPLEX_MAPPINGS help This provides a driver for the on-board flash of Arcom Control Systems' SBC-GXn family of boards, formerly known as SBC-MediaGX. @@ -172,31 +154,12 @@ config MTD_SBC_GXX config MTD_PXA2XX tristate "CFI Flash device mapped on Intel XScale PXA2xx based boards" depends on (PXA25x || PXA27x) && MTD_CFI_INTELEXT - select MTD_PARTITIONS help This provides a driver for the NOR flash attached to a PXA2xx chip. -config MTD_OCTAGON - tristate "JEDEC Flash device mapped on Octagon 5066 SBC" - depends on X86 && MTD_JEDEC && MTD_COMPLEX_MAPPINGS - help - This provides a 'mapping' driver which supports the way in which - the flash chips are connected in the Octagon-5066 Single Board - Computer. More information on the board is available at - <http://www.octagonsystems.com/CPUpages/5066.html>. - -config MTD_VMAX - tristate "JEDEC Flash device mapped on Tempustech VMAX SBC301" - depends on X86 && MTD_JEDEC && MTD_COMPLEX_MAPPINGS - help - This provides a 'mapping' driver which supports the way in which - the flash chips are connected in the Tempustech VMAX SBC301 Single - Board Computer. More information on the board is available at - <http://www.tempustech.com/>. - config MTD_SCx200_DOCFLASH tristate "Flash device mapped with DOCCS on NatSemi SCx200" - depends on SCx200 && MTD_CFI && MTD_PARTITIONS + depends on SCx200 && MTD_CFI help Enable support for a flash chip mapped using the DOCCS signal on a National Semiconductor SCx200 processor. @@ -243,7 +206,7 @@ config MTD_CK804XROM config MTD_SCB2_FLASH tristate "BIOS flash chip on Intel SCB2 boards" - depends on X86 && MTD_JEDECPROBE + depends on X86 && MTD_JEDECPROBE && PCI help Support for treating the BIOS flash chip on Intel SCB2 boards as an MTD device - with this you can reprogram your BIOS. @@ -258,31 +221,15 @@ config MTD_TSUNAMI config MTD_NETtel tristate "CFI flash device on SnapGear/SecureEdge" - depends on X86 && MTD_PARTITIONS && MTD_JEDECPROBE + depends on X86 && MTD_JEDECPROBE help Support for flash chips on NETtel/SecureEdge/SnapGear boards. -config MTD_ALCHEMY - tristate "AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support" - depends on SOC_AU1X00 && MTD_PARTITIONS && MTD_CFI - help - Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards - -config MTD_DILNETPC - tristate "CFI Flash device mapped on DIL/Net PC" - depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT - help - MTD map driver for SSV DIL/Net PC Boards "DNP" and "ADNP". - For details, see <http://www.ssv-embedded.de/ssv/pc104/p169.htm> - and <http://www.ssv-embedded.de/ssv/pc104/p170.htm> - -config MTD_DILNETPC_BOOTSIZE - hex "Size of DIL/Net PC flash boot partition" - depends on MTD_DILNETPC - default "0x80000" +config MTD_LANTIQ + tristate "Lantiq SoC NOR support" + depends on LANTIQ help - The amount of space taken up by the kernel or Etherboot - on the DIL/Net PC flash chips. + Support for NOR flash attached to the Lantiq SoC's External Bus Unit. config MTD_L440GX tristate "BIOS flash chip on Intel L440GX boards" @@ -293,49 +240,6 @@ config MTD_L440GX BE VERY CAREFUL. -config MTD_SBC8240 - tristate "Flash device on SBC8240" - depends on MTD_JEDECPROBE && 8260 - help - Flash access on the SBC8240 board from Wind River. See - <http://www.windriver.com/products/sbc8240/> - -config MTD_TQM8XXL - tristate "CFI Flash device mapped on TQM8XXL" - depends on MTD_CFI && TQM8xxL - help - The TQM8xxL PowerPC board has up to two banks of CFI-compliant - chips, currently uses AMD one. This 'mapping' driver supports - that arrangement, allowing the CFI probe and command set driver - code to communicate with the chips on the TQM8xxL board. More at - <http://www.denx.de/embedded-ppc-en.html>. - -config MTD_RPXLITE - tristate "CFI Flash device mapped on RPX Lite or CLLF" - depends on MTD_CFI && (RPXCLASSIC || RPXLITE) - help - The RPXLite PowerPC board has CFI-compliant chips mapped in - a strange sparse mapping. This 'mapping' driver supports that - arrangement, allowing the CFI probe and command set driver code - to communicate with the chips on the RPXLite board. More at - <http://www.embeddedplanet.com/>. - -config MTD_MBX860 - tristate "System flash on MBX860 board" - depends on MTD_CFI && MBX - help - This enables access routines for the flash chips on the Motorola - MBX860 board. If you have one of these boards and would like - to use the flash chips on it, say 'Y'. - -config MTD_DBOX2 - tristate "CFI Flash device mapped on D-Box2" - depends on DBOX2 && MTD_CFI_INTELSTD && MTD_CFI_INTELEXT && MTD_CFI_AMDSTD - help - This enables access routines for the flash chips on the Nokia/Sagem - D-Box 2 board. If you have one of these boards and would like to use - the flash chips on it, say 'Y'. - config MTD_CFI_FLAGADM tristate "CFI Flash device mapping on FlagaDM" depends on 8xx && MTD_CFI @@ -343,14 +247,6 @@ config MTD_CFI_FLAGADM Mapping for the Flaga digital module. If you don't have one, ignore this setting. -config MTD_REDWOOD - tristate "CFI Flash devices mapped on IBM Redwood" - depends on MTD_CFI && ( REDWOOD_4 || REDWOOD_5 || REDWOOD_6 ) - help - This enables access routines for the flash chips on the IBM - Redwood board. If you have one of these boards and would like to - use the flash chips on it, say 'Y'. - config MTD_SOLUTIONENGINE tristate "CFI Flash device mapped on Hitachi SolutionEngine" depends on SUPERH && SOLUTION_ENGINE && MTD_CFI && MTD_REDBOOT_PARTS @@ -358,31 +254,14 @@ config MTD_SOLUTIONENGINE This enables access to the flash chips on the Hitachi SolutionEngine and similar boards. Say 'Y' if you are building a kernel for such a board. -config MTD_ARM_INTEGRATOR - tristate "CFI Flash device mapped on ARM Integrator/P720T" - depends on ARM && MTD_CFI - -config MTD_CDB89712 - tristate "Cirrus CDB89712 evaluation board mappings" - depends on MTD_CFI && ARCH_CDB89712 - help - This enables access to the flash or ROM chips on the CDB89712 board. - If you have such a board, say 'Y'. - config MTD_SA1100 tristate "CFI Flash device mapped on StrongARM SA11x0" - depends on MTD_CFI && ARCH_SA1100 && MTD_PARTITIONS + depends on MTD_CFI && ARCH_SA1100 help This enables access to the flash chips on most platforms based on the SA1100 and SA1110, including the Assabet and the Compaq iPAQ. If you have such a board, say 'Y'. -config MTD_IPAQ - tristate "CFI Flash device mapped on Compaq/HP iPAQ" - depends on IPAQ_HANDHELD && MTD_CFI - help - This provides a driver for the on-board flash of the iPAQ. - config MTD_DC21285 tristate "CFI Flash device mapped on DC21285 Footbridge" depends on MTD_CFI && ARCH_FOOTBRIDGE && MTD_COMPLEX_MAPPINGS @@ -400,36 +279,6 @@ config MTD_IXP4XX IXDP425 and Coyote. If you have an IXP4xx based board and would like to use the flash chips on it, say 'Y'. -config MTD_IXP2000 - tristate "CFI Flash device mapped on Intel IXP2000 based systems" - depends on MTD_CFI && MTD_COMPLEX_MAPPINGS && ARCH_IXP2000 - help - This enables MTD access to flash devices on platforms based - on Intel's IXP2000 family of network processors such as the - IXDP425 and Coyote. If you have an IXP2000 based board and - would like to use the flash chips on it, say 'Y'. - -config MTD_FORTUNET - tristate "CFI Flash device mapped on the FortuNet board" - depends on MTD_CFI && MTD_PARTITIONS && SA1100_FORTUNET - help - This enables access to the Flash on the FortuNet board. If you - have such a board, say 'Y'. - -config MTD_AUTCPU12 - tristate "NV-RAM mapping AUTCPU12 board" - depends on ARCH_AUTCPU12 - help - This enables access to the NV-RAM on autronix autcpu12 board. - If you have such a board, say 'Y'. - -config MTD_EDB7312 - tristate "CFI Flash device mapped on EDB7312" - depends on ARCH_EDB7312 && MTD_CFI - help - This enables access to the CFI Flash on the Cogent EDB7312 board. - If you have such a board, say 'Y' here. - config MTD_IMPA7 tristate "JEDEC Flash device mapped on impA7" depends on ARM && MTD_JEDECPROBE @@ -437,30 +286,6 @@ config MTD_IMPA7 This enables access to the NOR Flash on the impA7 board of implementa GmbH. If you have such a board, say 'Y' here. -config MTD_CEIVA - tristate "JEDEC Flash device mapped on Ceiva/Polaroid PhotoMax Digital Picture Frame" - depends on MTD_JEDECPROBE && ARCH_CEIVA - help - This enables access to the flash chips on the Ceiva/Polaroid - PhotoMax Digital Picture Frame. - If you have such a device, say 'Y'. - -config MTD_H720X - tristate "Hynix evaluation board mappings" - depends on MTD_CFI && ( ARCH_H7201 || ARCH_H7202 ) - help - This enables access to the flash chips on the Hynix evaluation boards. - 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" @@ -474,7 +299,7 @@ config MTD_PCI config MTD_PCMCIA tristate "PCMCIA MTD driver" - depends on PCMCIA && MTD_COMPLEX_MAPPINGS && BROKEN + depends on PCMCIA && MTD_COMPLEX_MAPPINGS help Map driver for accessing PCMCIA linear flash memory cards. These cards are usually around 4-16MiB in size. This does not include @@ -492,7 +317,6 @@ config MTD_PCMCIA_ANONYMOUS config MTD_BFIN_ASYNC tristate "Blackfin BF533-STAMP Flash Chip Support" depends on BFIN533_STAMP && MTD_CFI && MTD_COMPLEX_MAPPINGS - select MTD_PARTITIONS default y help Map driver which allows for simultaneous utilization of @@ -500,35 +324,22 @@ config MTD_BFIN_ASYNC If compiled as a module, it will be called bfin-async-flash. +config MTD_GPIO_ADDR + tristate "GPIO-assisted Flash Chip Support" + depends on GPIOLIB + depends on MTD_COMPLEX_MAPPINGS + help + Map driver which allows flashes to be partially physically addressed + and assisted by GPIOs. + + If compiled as a module, it will be called gpio-addr-flash. + config MTD_UCLINUX - tristate "Generic uClinux RAM/ROM filesystem support" - depends on MTD_PARTITIONS && MTD_RAM && !MMU + bool "Generic uClinux RAM/ROM filesystem support" + depends on (MTD_RAM=y || MTD_ROM=y) && (!MMU || COLDFIRE) help Map driver to support image based filesystems for uClinux. -config MTD_WRSBC8260 - tristate "Map driver for WindRiver PowerQUICC II MPC82xx board" - depends on (SBC82xx || SBC8560) - select MTD_PARTITIONS - select MTD_MAP_BANK_WIDTH_4 - select MTD_MAP_BANK_WIDTH_1 - select MTD_CFI_I1 - select MTD_CFI_I4 - help - Map driver for WindRiver PowerQUICC II MPC82xx board. Drives - all three flash regions on CS0, CS1 and CS6 if they are configured - correctly by the boot loader. - -config MTD_DMV182 - tristate "Map driver for Dy-4 SVME/DMV-182 board." - depends on DMV182 - select MTD_PARTITIONS - select MTD_MAP_BANK_WIDTH_32 - select MTD_CFI_I8 - select MTD_CFI_AMDSTD - help - Map driver for Dy-4 SVME/DMV-182 board. - config MTD_INTEL_VR_NOR tristate "NOR flash on Intel Vermilion Range Expansion Bus CS0" depends on PCI @@ -562,4 +373,30 @@ config MTD_VMU To build this as a module select M here, the module will be called vmu-flash. +config MTD_PISMO + tristate "MTD discovery driver for PISMO modules" + depends on I2C + depends on ARCH_VERSATILE + help + This driver allows for discovery of PISMO modules - see + <http://www.pismoworld.org/>. These are small modules containing + up to five memory devices (eg, SRAM, flash, DOC) described by an + I2C EEPROM. + + This driver does not create any MTD maps itself; instead it + creates MTD physmap and MTD SRAM platform devices. If you + enable this option, you should consider enabling MTD_PHYSMAP + and/or MTD_PLATRAM according to the devices on your module. + + When built as a module, it will be called pismo.ko + +config MTD_LATCH_ADDR + tristate "Latch-assisted Flash Chip Support" + depends on MTD_COMPLEX_MAPPINGS + help + Map driver which allows flashes to be partially physically addressed + and have the upper address lines set by a board specific code. + + If compiled as a module, it will be called latch-addr-flash. + endmenu diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index 2dbc1bec848..141c91a5b24 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -7,11 +7,8 @@ obj-$(CONFIG_MTD) += map_funcs.o endif # Chip mappings -obj-$(CONFIG_MTD_CDB89712) += cdb89712.o -obj-$(CONFIG_MTD_ARM_INTEGRATOR)+= integrator-flash.o obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o obj-$(CONFIG_MTD_DC21285) += dc21285.o -obj-$(CONFIG_MTD_DILNETPC) += dilnetpc.o obj-$(CONFIG_MTD_L440GX) += l440gx.o obj-$(CONFIG_MTD_AMD76XROM) += amd76xrom.o obj-$(CONFIG_MTD_ESB2ROM) += esb2rom.o @@ -19,46 +16,30 @@ obj-$(CONFIG_MTD_ICHXROM) += ichxrom.o obj-$(CONFIG_MTD_CK804XROM) += ck804xrom.o obj-$(CONFIG_MTD_TSUNAMI) += tsunami_flash.o obj-$(CONFIG_MTD_PXA2XX) += pxa2xx-flash.o -obj-$(CONFIG_MTD_MBX860) += mbx860.o -obj-$(CONFIG_MTD_CEIVA) += ceiva.o -obj-$(CONFIG_MTD_OCTAGON) += octagon-5066.o obj-$(CONFIG_MTD_PHYSMAP) += physmap.o obj-$(CONFIG_MTD_PHYSMAP_OF) += physmap_of.o +obj-$(CONFIG_MTD_PISMO) += pismo.o obj-$(CONFIG_MTD_PMC_MSP_EVM) += pmcmsp-flash.o -obj-$(CONFIG_MTD_PMC_MSP_RAMROOT)+= pmcmsp-ramroot.o obj-$(CONFIG_MTD_PCMCIA) += pcmciamtd.o -obj-$(CONFIG_MTD_RPXLITE) += rpxlite.o -obj-$(CONFIG_MTD_TQM8XXL) += tqm8xxl.o obj-$(CONFIG_MTD_SA1100) += sa1100-flash.o -obj-$(CONFIG_MTD_IPAQ) += ipaq-flash.o obj-$(CONFIG_MTD_SBC_GXX) += sbc_gxx.o obj-$(CONFIG_MTD_SC520CDP) += sc520cdp.o obj-$(CONFIG_MTD_NETSC520) += netsc520.o obj-$(CONFIG_MTD_TS5500) += ts5500_flash.o obj-$(CONFIG_MTD_SUN_UFLASH) += sun_uflash.o -obj-$(CONFIG_MTD_VMAX) += vmax301.o obj-$(CONFIG_MTD_SCx200_DOCFLASH)+= scx200_docflash.o -obj-$(CONFIG_MTD_DBOX2) += dbox2-flash.o obj-$(CONFIG_MTD_SOLUTIONENGINE)+= solutionengine.o obj-$(CONFIG_MTD_PCI) += pci.o -obj-$(CONFIG_MTD_ALCHEMY) += alchemy-flash.o -obj-$(CONFIG_MTD_AUTCPU12) += autcpu12-nvram.o -obj-$(CONFIG_MTD_EDB7312) += edb7312.o obj-$(CONFIG_MTD_IMPA7) += impa7.o -obj-$(CONFIG_MTD_FORTUNET) += fortunet.o -obj-$(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_H720X) += h720x-flash.o -obj-$(CONFIG_MTD_SBC8240) += sbc8240.o obj-$(CONFIG_MTD_IXP4XX) += ixp4xx.o -obj-$(CONFIG_MTD_IXP2000) += ixp2000.o -obj-$(CONFIG_MTD_WRSBC8260) += wr_sbc82xx_flash.o -obj-$(CONFIG_MTD_DMV182) += dmv182.o obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o -obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o obj-$(CONFIG_MTD_INTEL_VR_NOR) += intel_vr_nor.o obj-$(CONFIG_MTD_BFIN_ASYNC) += bfin-async-flash.o obj-$(CONFIG_MTD_RBTX4939) += rbtx4939-flash.o obj-$(CONFIG_MTD_VMU) += vmu-flash.o +obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o +obj-$(CONFIG_MTD_LATCH_ADDR) += latch-addr-flash.o +obj-$(CONFIG_MTD_LANTIQ) += lantiq-flash.o diff --git a/drivers/mtd/maps/alchemy-flash.c b/drivers/mtd/maps/alchemy-flash.c deleted file mode 100644 index 845ad4f2a54..00000000000 --- a/drivers/mtd/maps/alchemy-flash.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * Flash memory access on AMD Alchemy evaluation boards - * - * (C) 2003, 2004 Pete Popov <ppopov@embeddedalley.com> - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -#include <asm/io.h> - -#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_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, - } -}; - -static struct mtd_info *mymtd; - -static 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; - - /* - * Static partition definition selection - */ - parts = alchemy_partitions; - nb_parts = ARRAY_SIZE(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/amd76xrom.c b/drivers/mtd/maps/amd76xrom.c index 237733d094c..f7207b0a76d 100644 --- a/drivers/mtd/maps/amd76xrom.c +++ b/drivers/mtd/maps/amd76xrom.c @@ -8,6 +8,7 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/slab.h> #include <asm/io.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> @@ -81,7 +82,7 @@ static void amd76xrom_cleanup(struct amd76xrom_window *window) if (map->rsrc.parent) { release_resource(&map->rsrc); } - del_mtd_device(map->mtd); + mtd_device_unregister(map->mtd); map_destroy(map->mtd); list_del(&map->list); kfree(map); @@ -99,8 +100,8 @@ static void amd76xrom_cleanup(struct amd76xrom_window *window) } -static int __devinit amd76xrom_init_one (struct pci_dev *pdev, - const struct pci_device_id *ent) +static int amd76xrom_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) { static char *rom_probe_types[] = { "cfi_probe", "jedec_probe", NULL }; u8 byte; @@ -148,11 +149,9 @@ static int __devinit amd76xrom_init_one (struct pci_dev *pdev, if (request_resource(&iomem_resource, &window->rsrc)) { window->rsrc.parent = NULL; printk(KERN_ERR MOD_NAME - " %s(): Unable to register resource" - " 0x%.16llx-0x%.16llx - kernel bug?\n", - __func__, - (unsigned long long)window->rsrc.start, - (unsigned long long)window->rsrc.end); + " %s(): Unable to register resource %pR - kernel bug?\n", + __func__, &window->rsrc); + return -EBUSY; } @@ -263,7 +262,7 @@ static int __devinit amd76xrom_init_one (struct pci_dev *pdev, /* Now that the mtd devices is complete claim and export it */ map->mtd->owner = THIS_MODULE; - if (add_mtd_device(map->mtd)) { + if (mtd_device_register(map->mtd, NULL, 0)) { map_destroy(map->mtd); map->mtd = NULL; goto out; @@ -290,7 +289,7 @@ static int __devinit amd76xrom_init_one (struct pci_dev *pdev, } -static void __devexit amd76xrom_remove_one (struct pci_dev *pdev) +static void amd76xrom_remove_one(struct pci_dev *pdev) { struct amd76xrom_window *window = &amd76xrom_window; @@ -348,4 +347,3 @@ module_exit(cleanup_amd76xrom); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Eric Biederman <ebiederman@lnxi.com>"); MODULE_DESCRIPTION("MTD map driver for BIOS chips on the AMD76X southbridge"); - diff --git a/drivers/mtd/maps/autcpu12-nvram.c b/drivers/mtd/maps/autcpu12-nvram.c deleted file mode 100644 index 53664188fc4..00000000000 --- a/drivers/mtd/maps/autcpu12-nvram.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * NV-RAM memory access on autcpu12 - * (C) 2002 Thomas Gleixner (gleixner@autronix.de) - * - * 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 - * - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/ioport.h> -#include <linux/init.h> -#include <asm/io.h> -#include <asm/sizes.h> -#include <mach/hardware.h> -#include <mach/autcpu12.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - - -static struct mtd_info *sram_mtd; - -struct map_info autcpu12_sram_map = { - .name = "SRAM", - .size = 32768, - .bankwidth = 4, - .phys = 0x12000000, -}; - -static int __init init_autcpu12_sram (void) -{ - int err, save0, save1; - - autcpu12_sram_map.virt = ioremap(0x12000000, SZ_128K); - if (!autcpu12_sram_map.virt) { - printk("Failed to ioremap autcpu12 NV-RAM space\n"); - err = -EIO; - goto out; - } - simple_map_init(&autcpu_sram_map); - - /* - * Check for 32K/128K - * read ofs 0 - * read ofs 0x10000 - * Write complement to ofs 0x100000 - * Read and check result on ofs 0x0 - * Restore contents - */ - save0 = map_read32(&autcpu12_sram_map,0); - save1 = map_read32(&autcpu12_sram_map,0x10000); - map_write32(&autcpu12_sram_map,~save0,0x10000); - /* if we find this pattern on 0x0, we have 32K size - * restore contents and exit - */ - if ( map_read32(&autcpu12_sram_map,0) != save0) { - map_write32(&autcpu12_sram_map,save0,0x0); - goto map; - } - /* We have a 128K found, restore 0x10000 and set size - * to 128K - */ - map_write32(&autcpu12_sram_map,save1,0x10000); - autcpu12_sram_map.size = SZ_128K; - -map: - sram_mtd = do_map_probe("map_ram", &autcpu12_sram_map); - if (!sram_mtd) { - printk("NV-RAM probe failed\n"); - err = -ENXIO; - goto out_ioremap; - } - - sram_mtd->owner = THIS_MODULE; - sram_mtd->erasesize = 16; - - if (add_mtd_device(sram_mtd)) { - printk("NV-RAM device addition failed\n"); - err = -ENOMEM; - goto out_probe; - } - - printk("NV-RAM device size %ldKiB registered on AUTCPU12\n",autcpu12_sram_map.size/SZ_1K); - - return 0; - -out_probe: - map_destroy(sram_mtd); - sram_mtd = 0; - -out_ioremap: - iounmap((void *)autcpu12_sram_map.virt); -out: - return err; -} - -static void __exit cleanup_autcpu12_maps(void) -{ - if (sram_mtd) { - del_mtd_device(sram_mtd); - map_destroy(sram_mtd); - iounmap((void *)autcpu12_sram_map.virt); - } -} - -module_init(init_autcpu12_sram); -module_exit(cleanup_autcpu12_maps); - -MODULE_AUTHOR("Thomas Gleixner"); -MODULE_DESCRIPTION("autcpu12 NV-RAM map driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/mtd/maps/bfin-async-flash.c b/drivers/mtd/maps/bfin-async-flash.c index 576611f605d..6ea51e54904 100644 --- a/drivers/mtd/maps/bfin-async-flash.c +++ b/drivers/mtd/maps/bfin-async-flash.c @@ -6,7 +6,7 @@ * for example. All board-specific configuration goes in your * board resources file. * - * Copyright 2000 Nicolas Pitre <nico@cam.org> + * Copyright 2000 Nicolas Pitre <nico@fluxnic.net> * Copyright 2005-2008 Analog Devices Inc. * * Enter bugs at http://blackfin.uclinux.org/ @@ -14,7 +14,6 @@ * Licensed under the GPL-2 or later. */ -#include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/mtd/mtd.h> @@ -22,6 +21,7 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/types.h> #include <asm/blackfin.h> @@ -29,7 +29,8 @@ #include <linux/io.h> #include <asm/unaligned.h> -#define pr_devinit(fmt, args...) ({ static const __devinitconst char __fmt[] = fmt; printk(__fmt, ## args); }) +#define pr_devinit(fmt, args...) \ + ({ static const char __fmt[] = fmt; printk(__fmt, ## args); }) #define DRIVER_NAME "bfin-async-flash" @@ -66,7 +67,7 @@ static void switch_back(struct async_state *state) local_irq_restore(state->irq_flags); } -static map_word bfin_read(struct map_info *map, unsigned long ofs) +static map_word bfin_flash_read(struct map_info *map, unsigned long ofs) { struct async_state *state = (struct async_state *)map->map_priv_1; uint16_t word; @@ -82,7 +83,7 @@ static map_word bfin_read(struct map_info *map, unsigned long ofs) return test; } -static void bfin_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) +static void bfin_flash_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) { struct async_state *state = (struct async_state *)map->map_priv_1; @@ -93,7 +94,7 @@ static void bfin_copy_from(struct map_info *map, void *to, unsigned long from, s switch_back(state); } -static void bfin_write(struct map_info *map, map_word d1, unsigned long ofs) +static void bfin_flash_write(struct map_info *map, map_word d1, unsigned long ofs) { struct async_state *state = (struct async_state *)map->map_priv_1; uint16_t d; @@ -108,7 +109,7 @@ static void bfin_write(struct map_info *map, map_word d1, unsigned long ofs) switch_back(state); } -static void bfin_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) +static void bfin_flash_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) { struct async_state *state = (struct async_state *)map->map_priv_1; @@ -120,14 +121,13 @@ static void bfin_copy_to(struct map_info *map, unsigned long to, const void *fro switch_back(state); } -#ifdef CONFIG_MTD_PARTITIONS -static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL }; -#endif +static const char * const part_probe_types[] = { + "cmdlinepart", "RedBoot", NULL }; -static int __devinit bfin_flash_probe(struct platform_device *pdev) +static int bfin_flash_probe(struct platform_device *pdev) { int ret; - struct physmap_flash_data *pdata = pdev->dev.platform_data; + struct physmap_flash_data *pdata = dev_get_platdata(&pdev->dev); struct resource *memory = platform_get_resource(pdev, IORESOURCE_MEM, 0); struct resource *flash_ambctl = platform_get_resource(pdev, IORESOURCE_MEM, 1); struct async_state *state; @@ -137,12 +137,12 @@ static int __devinit bfin_flash_probe(struct platform_device *pdev) return -ENOMEM; state->map.name = DRIVER_NAME; - state->map.read = bfin_read; - state->map.copy_from = bfin_copy_from; - state->map.write = bfin_write; - state->map.copy_to = bfin_copy_to; + state->map.read = bfin_flash_read; + state->map.copy_from = bfin_flash_copy_from; + state->map.write = bfin_flash_write; + state->map.copy_to = bfin_flash_copy_to; state->map.bankwidth = pdata->width; - state->map.size = memory->end - memory->start + 1; + state->map.size = resource_size(memory); state->map.virt = (void __iomem *)memory->start; state->map.phys = memory->start; state->map.map_priv_1 = (unsigned long)state; @@ -165,35 +165,19 @@ static int __devinit bfin_flash_probe(struct platform_device *pdev) return -ENXIO; } -#ifdef CONFIG_MTD_PARTITIONS - ret = parse_mtd_partitions(state->mtd, part_probe_types, &pdata->parts, 0); - if (ret > 0) { - pr_devinit(KERN_NOTICE DRIVER_NAME ": Using commandline partition definition\n"); - add_mtd_partitions(state->mtd, pdata->parts, ret); - - } else if (pdata->nr_parts) { - pr_devinit(KERN_NOTICE DRIVER_NAME ": Using board partition definition\n"); - add_mtd_partitions(state->mtd, pdata->parts, pdata->nr_parts); - - } else -#endif - { - pr_devinit(KERN_NOTICE DRIVER_NAME ": no partition info available, registering whole flash at once\n"); - add_mtd_device(state->mtd); - } + mtd_device_parse_register(state->mtd, part_probe_types, NULL, + pdata->parts, pdata->nr_parts); platform_set_drvdata(pdev, state); return 0; } -static int __devexit bfin_flash_remove(struct platform_device *pdev) +static int bfin_flash_remove(struct platform_device *pdev) { struct async_state *state = platform_get_drvdata(pdev); gpio_free(state->enet_flash_pin); -#ifdef CONFIG_MTD_PARTITIONS - del_mtd_partitions(state->mtd); -#endif + mtd_device_unregister(state->mtd); map_destroy(state->mtd); kfree(state); return 0; @@ -201,23 +185,13 @@ static int __devexit bfin_flash_remove(struct platform_device *pdev) static struct platform_driver bfin_flash_driver = { .probe = bfin_flash_probe, - .remove = __devexit_p(bfin_flash_remove), + .remove = bfin_flash_remove, .driver = { .name = DRIVER_NAME, }, }; -static int __init bfin_flash_init(void) -{ - return platform_driver_register(&bfin_flash_driver); -} -module_init(bfin_flash_init); - -static void __exit bfin_flash_exit(void) -{ - platform_driver_unregister(&bfin_flash_driver); -} -module_exit(bfin_flash_exit); +module_platform_driver(bfin_flash_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("MTD map driver for Blackfins with flash/ethernet on same async bank"); diff --git a/drivers/mtd/maps/cdb89712.c b/drivers/mtd/maps/cdb89712.c deleted file mode 100644 index 8d92d8db9a9..00000000000 --- a/drivers/mtd/maps/cdb89712.c +++ /dev/null @@ -1,278 +0,0 @@ -/* - * Flash on Cirrus CDB89712 - * - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/ioport.h> -#include <linux/init.h> -#include <asm/io.h> -#include <mach/hardware.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -/* dynamic ioremap() areas */ -#define FLASH_START 0x00000000 -#define FLASH_SIZE 0x800000 -#define FLASH_WIDTH 4 - -#define SRAM_START 0x60000000 -#define SRAM_SIZE 0xc000 -#define SRAM_WIDTH 4 - -#define BOOTROM_START 0x70000000 -#define BOOTROM_SIZE 0x80 -#define BOOTROM_WIDTH 4 - - -static struct mtd_info *flash_mtd; - -struct map_info cdb89712_flash_map = { - .name = "flash", - .size = FLASH_SIZE, - .bankwidth = FLASH_WIDTH, - .phys = FLASH_START, -}; - -struct resource cdb89712_flash_resource = { - .name = "Flash", - .start = FLASH_START, - .end = FLASH_START + FLASH_SIZE - 1, - .flags = IORESOURCE_IO | IORESOURCE_BUSY, -}; - -static int __init init_cdb89712_flash (void) -{ - int err; - - if (request_resource (&ioport_resource, &cdb89712_flash_resource)) { - printk(KERN_NOTICE "Failed to reserve Cdb89712 FLASH space\n"); - err = -EBUSY; - goto out; - } - - cdb89712_flash_map.virt = ioremap(FLASH_START, FLASH_SIZE); - if (!cdb89712_flash_map.virt) { - printk(KERN_NOTICE "Failed to ioremap Cdb89712 FLASH space\n"); - err = -EIO; - goto out_resource; - } - simple_map_init(&cdb89712_flash_map); - flash_mtd = do_map_probe("cfi_probe", &cdb89712_flash_map); - if (!flash_mtd) { - flash_mtd = do_map_probe("map_rom", &cdb89712_flash_map); - if (flash_mtd) - flash_mtd->erasesize = 0x10000; - } - if (!flash_mtd) { - printk("FLASH probe failed\n"); - err = -ENXIO; - goto out_ioremap; - } - - flash_mtd->owner = THIS_MODULE; - - if (add_mtd_device(flash_mtd)) { - printk("FLASH device addition failed\n"); - err = -ENOMEM; - goto out_probe; - } - - return 0; - -out_probe: - map_destroy(flash_mtd); - flash_mtd = 0; -out_ioremap: - iounmap((void *)cdb89712_flash_map.virt); -out_resource: - release_resource (&cdb89712_flash_resource); -out: - return err; -} - - - - - -static struct mtd_info *sram_mtd; - -struct map_info cdb89712_sram_map = { - .name = "SRAM", - .size = SRAM_SIZE, - .bankwidth = SRAM_WIDTH, - .phys = SRAM_START, -}; - -struct resource cdb89712_sram_resource = { - .name = "SRAM", - .start = SRAM_START, - .end = SRAM_START + SRAM_SIZE - 1, - .flags = IORESOURCE_IO | IORESOURCE_BUSY, -}; - -static int __init init_cdb89712_sram (void) -{ - int err; - - if (request_resource (&ioport_resource, &cdb89712_sram_resource)) { - printk(KERN_NOTICE "Failed to reserve Cdb89712 SRAM space\n"); - err = -EBUSY; - goto out; - } - - cdb89712_sram_map.virt = ioremap(SRAM_START, SRAM_SIZE); - if (!cdb89712_sram_map.virt) { - printk(KERN_NOTICE "Failed to ioremap Cdb89712 SRAM space\n"); - err = -EIO; - goto out_resource; - } - simple_map_init(&cdb89712_sram_map); - sram_mtd = do_map_probe("map_ram", &cdb89712_sram_map); - if (!sram_mtd) { - printk("SRAM probe failed\n"); - err = -ENXIO; - goto out_ioremap; - } - - sram_mtd->owner = THIS_MODULE; - sram_mtd->erasesize = 16; - - if (add_mtd_device(sram_mtd)) { - printk("SRAM device addition failed\n"); - err = -ENOMEM; - goto out_probe; - } - - return 0; - -out_probe: - map_destroy(sram_mtd); - sram_mtd = 0; -out_ioremap: - iounmap((void *)cdb89712_sram_map.virt); -out_resource: - release_resource (&cdb89712_sram_resource); -out: - return err; -} - - - - - - - -static struct mtd_info *bootrom_mtd; - -struct map_info cdb89712_bootrom_map = { - .name = "BootROM", - .size = BOOTROM_SIZE, - .bankwidth = BOOTROM_WIDTH, - .phys = BOOTROM_START, -}; - -struct resource cdb89712_bootrom_resource = { - .name = "BootROM", - .start = BOOTROM_START, - .end = BOOTROM_START + BOOTROM_SIZE - 1, - .flags = IORESOURCE_IO | IORESOURCE_BUSY, -}; - -static int __init init_cdb89712_bootrom (void) -{ - int err; - - if (request_resource (&ioport_resource, &cdb89712_bootrom_resource)) { - printk(KERN_NOTICE "Failed to reserve Cdb89712 BOOTROM space\n"); - err = -EBUSY; - goto out; - } - - cdb89712_bootrom_map.virt = ioremap(BOOTROM_START, BOOTROM_SIZE); - if (!cdb89712_bootrom_map.virt) { - printk(KERN_NOTICE "Failed to ioremap Cdb89712 BootROM space\n"); - err = -EIO; - goto out_resource; - } - simple_map_init(&cdb89712_bootrom_map); - bootrom_mtd = do_map_probe("map_rom", &cdb89712_bootrom_map); - if (!bootrom_mtd) { - printk("BootROM probe failed\n"); - err = -ENXIO; - goto out_ioremap; - } - - bootrom_mtd->owner = THIS_MODULE; - bootrom_mtd->erasesize = 0x10000; - - if (add_mtd_device(bootrom_mtd)) { - printk("BootROM device addition failed\n"); - err = -ENOMEM; - goto out_probe; - } - - return 0; - -out_probe: - map_destroy(bootrom_mtd); - bootrom_mtd = 0; -out_ioremap: - iounmap((void *)cdb89712_bootrom_map.virt); -out_resource: - release_resource (&cdb89712_bootrom_resource); -out: - return err; -} - - - - - -static int __init init_cdb89712_maps(void) -{ - - printk(KERN_INFO "Cirrus CDB89712 MTD mappings:\n Flash 0x%x at 0x%x\n SRAM 0x%x at 0x%x\n BootROM 0x%x at 0x%x\n", - FLASH_SIZE, FLASH_START, SRAM_SIZE, SRAM_START, BOOTROM_SIZE, BOOTROM_START); - - init_cdb89712_flash(); - init_cdb89712_sram(); - init_cdb89712_bootrom(); - - return 0; -} - - -static void __exit cleanup_cdb89712_maps(void) -{ - if (sram_mtd) { - del_mtd_device(sram_mtd); - map_destroy(sram_mtd); - iounmap((void *)cdb89712_sram_map.virt); - release_resource (&cdb89712_sram_resource); - } - - if (flash_mtd) { - del_mtd_device(flash_mtd); - map_destroy(flash_mtd); - iounmap((void *)cdb89712_flash_map.virt); - release_resource (&cdb89712_flash_resource); - } - - if (bootrom_mtd) { - del_mtd_device(bootrom_mtd); - map_destroy(bootrom_mtd); - iounmap((void *)cdb89712_bootrom_map.virt); - release_resource (&cdb89712_bootrom_resource); - } -} - -module_init(init_cdb89712_maps); -module_exit(cleanup_cdb89712_maps); - -MODULE_AUTHOR("Ray L"); -MODULE_DESCRIPTION("ARM CDB89712 map driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/mtd/maps/ceiva.c b/drivers/mtd/maps/ceiva.c deleted file mode 100644 index 60e68bde0fe..00000000000 --- a/drivers/mtd/maps/ceiva.c +++ /dev/null @@ -1,347 +0,0 @@ -/* - * Ceiva flash memory driver. - * Copyright (C) 2002 Rob Scott <rscott@mtrob.fdns.net> - * - * Note: this driver supports jedec compatible devices. Modification - * for CFI compatible devices should be straight forward: change - * jedec_probe to cfi_probe. - * - * Based on: sa1100-flash.c, which has the following copyright: - * Flash memory access on SA11x0 based devices - * - * (C) 2000 Nicolas Pitre <nico@cam.org> - * - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/ioport.h> -#include <linux/kernel.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 <linux/mtd/concat.h> - -#include <mach/hardware.h> -#include <asm/mach-types.h> -#include <asm/io.h> -#include <asm/sizes.h> - -/* - * This isn't complete yet, so... - */ -#define CONFIG_MTD_CEIVA_STATICMAP - -#ifdef CONFIG_MTD_CEIVA_STATICMAP -/* - * See include/linux/mtd/partitions.h for definition of the mtd_partition - * structure. - * - * Please note: - * 1. The flash size given should be the largest flash size that can - * be accomodated. - * - * 2. The bus width must defined in clps_setup_flash. - * - * The MTD layer will detect flash chip aliasing and reduce the size of - * the map accordingly. - * - */ - -#ifdef CONFIG_ARCH_CEIVA -/* Flash / Partition sizing */ -/* For the 28F8003, we use the block mapping to calcuate the sizes */ -#define MAX_SIZE_KiB (16 + 8 + 8 + 96 + (7*128)) -#define BOOT_PARTITION_SIZE_KiB (16) -#define PARAMS_PARTITION_SIZE_KiB (8) -#define KERNEL_PARTITION_SIZE_KiB (4*128) -/* Use both remaing portion of first flash, and all of second flash */ -#define ROOT_PARTITION_SIZE_KiB (3*128) + (8*128) - -static struct mtd_partition ceiva_partitions[] = { - { - .name = "Ceiva BOOT partition", - .size = BOOT_PARTITION_SIZE_KiB*1024, - .offset = 0, - - },{ - .name = "Ceiva parameters partition", - .size = PARAMS_PARTITION_SIZE_KiB*1024, - .offset = (16 + 8) * 1024, - },{ - .name = "Ceiva kernel partition", - .size = (KERNEL_PARTITION_SIZE_KiB)*1024, - .offset = 0x20000, - - },{ - .name = "Ceiva root filesystem partition", - .offset = MTDPART_OFS_APPEND, - .size = (ROOT_PARTITION_SIZE_KiB)*1024, - } -}; -#endif - -static int __init clps_static_partitions(struct mtd_partition **parts) -{ - int nb_parts = 0; - -#ifdef CONFIG_ARCH_CEIVA - if (machine_is_ceiva()) { - *parts = ceiva_partitions; - nb_parts = ARRAY_SIZE(ceiva_partitions); - } -#endif - return nb_parts; -} -#endif - -struct clps_info { - unsigned long base; - unsigned long size; - int width; - void *vbase; - struct map_info *map; - struct mtd_info *mtd; - struct resource *res; -}; - -#define NR_SUBMTD 4 - -static struct clps_info info[NR_SUBMTD]; - -static int __init clps_setup_mtd(struct clps_info *clps, int nr, struct mtd_info **rmtd) -{ - struct mtd_info *subdev[nr]; - struct map_info *maps; - int i, found = 0, ret = 0; - - /* - * Allocate the map_info structs in one go. - */ - maps = kzalloc(sizeof(struct map_info) * nr, GFP_KERNEL); - if (!maps) - return -ENOMEM; - /* - * Claim and then map the memory regions. - */ - for (i = 0; i < nr; i++) { - if (clps[i].base == (unsigned long)-1) - break; - - clps[i].res = request_mem_region(clps[i].base, clps[i].size, "clps flash"); - if (!clps[i].res) { - ret = -EBUSY; - break; - } - - clps[i].map = maps + i; - - clps[i].map->name = "clps flash"; - clps[i].map->phys = clps[i].base; - - clps[i].vbase = ioremap(clps[i].base, clps[i].size); - if (!clps[i].vbase) { - ret = -ENOMEM; - break; - } - - clps[i].map->virt = (void __iomem *)clps[i].vbase; - clps[i].map->bankwidth = clps[i].width; - clps[i].map->size = clps[i].size; - - simple_map_init(&clps[i].map); - - clps[i].mtd = do_map_probe("jedec_probe", clps[i].map); - if (clps[i].mtd == NULL) { - ret = -ENXIO; - break; - } - clps[i].mtd->owner = THIS_MODULE; - subdev[i] = clps[i].mtd; - - printk(KERN_INFO "clps flash: JEDEC device at 0x%08lx, %dMiB, " - "%d-bit\n", clps[i].base, clps[i].mtd->size >> 20, - clps[i].width * 8); - found += 1; - } - - /* - * ENXIO is special. It means we didn't find a chip when - * we probed. We need to tear down the mapping, free the - * resource and mark it as such. - */ - if (ret == -ENXIO) { - iounmap(clps[i].vbase); - clps[i].vbase = NULL; - release_resource(clps[i].res); - clps[i].res = NULL; - } - - /* - * If we found one device, don't bother with concat support. - * If we found multiple devices, use concat if we have it - * available, otherwise fail. - */ - if (ret == 0 || ret == -ENXIO) { - if (found == 1) { - *rmtd = subdev[0]; - ret = 0; - } else if (found > 1) { - /* - * We detected multiple devices. Concatenate - * them together. - */ -#ifdef CONFIG_MTD_CONCAT - *rmtd = mtd_concat_create(subdev, found, - "clps flash"); - if (*rmtd == NULL) - ret = -ENXIO; -#else - printk(KERN_ERR "clps flash: multiple devices " - "found but MTD concat support disabled.\n"); - ret = -ENXIO; -#endif - } - } - - /* - * If we failed, clean up. - */ - if (ret) { - do { - if (clps[i].mtd) - map_destroy(clps[i].mtd); - if (clps[i].vbase) - iounmap(clps[i].vbase); - if (clps[i].res) - release_resource(clps[i].res); - } while (i--); - - kfree(maps); - } - - return ret; -} - -static void __exit clps_destroy_mtd(struct clps_info *clps, struct mtd_info *mtd) -{ - int i; - - del_mtd_partitions(mtd); - - if (mtd != clps[0].mtd) - mtd_concat_destroy(mtd); - - for (i = NR_SUBMTD; i >= 0; i--) { - if (clps[i].mtd) - map_destroy(clps[i].mtd); - if (clps[i].vbase) - iounmap(clps[i].vbase); - if (clps[i].res) - release_resource(clps[i].res); - } - kfree(clps[0].map); -} - -/* - * We define the memory space, size, and width for the flash memory - * space here. - */ - -static int __init clps_setup_flash(void) -{ - int nr; - -#ifdef CONFIG_ARCH_CEIVA - if (machine_is_ceiva()) { - info[0].base = CS0_PHYS_BASE; - info[0].size = SZ_32M; - info[0].width = CEIVA_FLASH_WIDTH; - info[1].base = CS1_PHYS_BASE; - info[1].size = SZ_32M; - info[1].width = CEIVA_FLASH_WIDTH; - nr = 2; - } -#endif - return nr; -} - -static struct mtd_partition *parsed_parts; -static const char *probes[] = { "cmdlinepart", "RedBoot", NULL }; - -static void __init clps_locate_partitions(struct mtd_info *mtd) -{ - const char *part_type = NULL; - int nr_parts = 0; - do { - /* - * Partition selection stuff. - */ - nr_parts = parse_mtd_partitions(mtd, probes, &parsed_parts, 0); - if (nr_parts > 0) { - part_type = "command line"; - break; - } -#ifdef CONFIG_MTD_CEIVA_STATICMAP - nr_parts = clps_static_partitions(&parsed_parts); - if (nr_parts > 0) { - part_type = "static"; - break; - } - printk("found: %d partitions\n", nr_parts); -#endif - } while (0); - - if (nr_parts == 0) { - printk(KERN_NOTICE "clps flash: no partition info " - "available, registering whole flash\n"); - add_mtd_device(mtd); - } else { - printk(KERN_NOTICE "clps flash: using %s partition " - "definition\n", part_type); - add_mtd_partitions(mtd, parsed_parts, nr_parts); - } - - /* Always succeeds. */ -} - -static void __exit clps_destroy_partitions(void) -{ - kfree(parsed_parts); -} - -static struct mtd_info *mymtd; - -static int __init clps_mtd_init(void) -{ - int ret; - int nr; - - nr = clps_setup_flash(); - if (nr < 0) - return nr; - - ret = clps_setup_mtd(info, nr, &mymtd); - if (ret) - return ret; - - clps_locate_partitions(mymtd); - - return 0; -} - -static void __exit clps_mtd_cleanup(void) -{ - clps_destroy_mtd(info, mymtd); - clps_destroy_partitions(); -} - -module_init(clps_mtd_init); -module_exit(clps_mtd_cleanup); - -MODULE_AUTHOR("Rob Scott"); -MODULE_DESCRIPTION("Cirrus Logic JEDEC map driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/mtd/maps/cfi_flagadm.c b/drivers/mtd/maps/cfi_flagadm.c index b4ed8161191..d504b3d1791 100644 --- a/drivers/mtd/maps/cfi_flagadm.c +++ b/drivers/mtd/maps/cfi_flagadm.c @@ -33,7 +33,7 @@ /* We split the flash chip up into four parts. - * 1: bootloader firts 128k (0x00000000 - 0x0001FFFF) size 0x020000 + * 1: bootloader first 128k (0x00000000 - 0x0001FFFF) size 0x020000 * 2: kernel 640k (0x00020000 - 0x000BFFFF) size 0x0A0000 * 3: compressed 1536k root ramdisk (0x000C0000 - 0x0023FFFF) size 0x180000 * 4: writeable diskpartition (jffs)(0x00240000 - 0x003FFFFF) size 0x1C0000 @@ -55,13 +55,13 @@ #define FLASH_PARTITION3_SIZE 0x001C0000 -struct map_info flagadm_map = { +static struct map_info flagadm_map = { .name = "FlagaDM flash device", .size = FLASH_SIZE, .bankwidth = 2, }; -struct mtd_partition flagadm_parts[] = { +static struct mtd_partition flagadm_parts[] = { { .name = "Bootloader", .offset = FLASH_PARTITION0_ADDR, @@ -107,24 +107,24 @@ static int __init init_flagadm(void) mymtd = do_map_probe("cfi_probe", &flagadm_map); if (mymtd) { mymtd->owner = THIS_MODULE; - add_mtd_partitions(mymtd, flagadm_parts, PARTITION_COUNT); + mtd_device_register(mymtd, flagadm_parts, PARTITION_COUNT); printk(KERN_NOTICE "FlagaDM flash device initialized\n"); return 0; } - iounmap((void *)flagadm_map.virt); + iounmap((void __iomem *)flagadm_map.virt); return -ENXIO; } static void __exit cleanup_flagadm(void) { if (mymtd) { - del_mtd_partitions(mymtd); + mtd_device_unregister(mymtd); map_destroy(mymtd); } if (flagadm_map.virt) { - iounmap((void *)flagadm_map.virt); - flagadm_map.virt = 0; + iounmap((void __iomem *)flagadm_map.virt); + flagadm_map.virt = NULL; } } diff --git a/drivers/mtd/maps/ck804xrom.c b/drivers/mtd/maps/ck804xrom.c index 424f17d6ffd..0455166f05f 100644 --- a/drivers/mtd/maps/ck804xrom.c +++ b/drivers/mtd/maps/ck804xrom.c @@ -11,6 +11,7 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/slab.h> #include <asm/io.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> @@ -93,7 +94,7 @@ static void ck804xrom_cleanup(struct ck804xrom_window *window) if (map->rsrc.parent) release_resource(&map->rsrc); - del_mtd_device(map->mtd); + mtd_device_unregister(map->mtd); map_destroy(map->mtd); list_del(&map->list); kfree(map); @@ -111,8 +112,8 @@ static void ck804xrom_cleanup(struct ck804xrom_window *window) } -static int __devinit ck804xrom_init_one (struct pci_dev *pdev, - const struct pci_device_id *ent) +static int ck804xrom_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) { static char *rom_probe_types[] = { "cfi_probe", "jedec_probe", NULL }; u8 byte; @@ -177,11 +178,8 @@ static int __devinit ck804xrom_init_one (struct pci_dev *pdev, if (request_resource(&iomem_resource, &window->rsrc)) { window->rsrc.parent = NULL; printk(KERN_ERR MOD_NAME - " %s(): Unable to register resource" - " 0x%.016llx-0x%.016llx - kernel bug?\n", - __func__, - (unsigned long long)window->rsrc.start, - (unsigned long long)window->rsrc.end); + " %s(): Unable to register resource %pR - kernel bug?\n", + __func__, &window->rsrc); } @@ -293,7 +291,7 @@ static int __devinit ck804xrom_init_one (struct pci_dev *pdev, /* Now that the mtd devices is complete claim and export it */ map->mtd->owner = THIS_MODULE; - if (add_mtd_device(map->mtd)) { + if (mtd_device_register(map->mtd, NULL, 0)) { map_destroy(map->mtd); map->mtd = NULL; goto out; @@ -310,8 +308,7 @@ static int __devinit ck804xrom_init_one (struct pci_dev *pdev, out: /* Free any left over map structures */ - if (map) - kfree(map); + kfree(map); /* See if I have any map structures */ if (list_empty(&window->maps)) { @@ -322,7 +319,7 @@ static int __devinit ck804xrom_init_one (struct pci_dev *pdev, } -static void __devexit ck804xrom_remove_one (struct pci_dev *pdev) +static void ck804xrom_remove_one(struct pci_dev *pdev) { struct ck804xrom_window *window = &ck804xrom_window; diff --git a/drivers/mtd/maps/dbox2-flash.c b/drivers/mtd/maps/dbox2-flash.c deleted file mode 100644 index cfacfa6f45d..00000000000 --- a/drivers/mtd/maps/dbox2-flash.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * D-Box 2 flash driver - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <asm/io.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> -#include <linux/errno.h> - -/* 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 = "BR bootloader", - .size = 128 * 1024, - .offset = 0, - .mask_flags = MTD_WRITEABLE - }, - { - .name = "FLFS (U-Boot)", - .size = 128 * 1024, - .offset = MTDPART_OFS_APPEND, - .mask_flags = 0 - }, - { - .name = "Root (SquashFS)", - .size = 7040 * 1024, - .offset = MTDPART_OFS_APPEND, - .mask_flags = 0 - }, - { - .name = "var (JFFS2)", - .size = 896 * 1024, - .offset = MTDPART_OFS_APPEND, - .mask_flags = 0 - }, - { - .name = "Flash without bootloader", - .size = MTDPART_SIZ_FULL, - .offset = 128 * 1024, - .mask_flags = 0 - }, - { - .name = "Complete Flash", - .size = MTDPART_SIZ_FULL, - .offset = 0, - .mask_flags = MTD_WRITEABLE - } -}; - -#define NUM_PARTITIONS ARRAY_SIZE(partition_info) - -#define WINDOW_ADDR 0x10000000 -#define WINDOW_SIZE 0x800000 - -static struct mtd_info *mymtd; - - -struct map_info dbox2_flash_map = { - .name = "D-Box 2 flash memory", - .size = WINDOW_SIZE, - .bankwidth = 4, - .phys = WINDOW_ADDR, -}; - -static int __init init_dbox2_flash(void) -{ - printk(KERN_NOTICE "D-Box 2 flash driver (size->0x%X mem->0x%X)\n", WINDOW_SIZE, WINDOW_ADDR); - dbox2_flash_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE); - - if (!dbox2_flash_map.virt) { - printk("Failed to ioremap\n"); - return -EIO; - } - simple_map_init(&dbox2_flash_map); - - // Probe for dual Intel 28F320 or dual AMD - mymtd = do_map_probe("cfi_probe", &dbox2_flash_map); - if (!mymtd) { - // Probe for single Intel 28F640 - dbox2_flash_map.bankwidth = 2; - - mymtd = do_map_probe("cfi_probe", &dbox2_flash_map); - } - - if (mymtd) { - mymtd->owner = THIS_MODULE; - - /* Create MTD devices for each partition. */ - add_mtd_partitions(mymtd, partition_info, NUM_PARTITIONS); - - return 0; - } - - iounmap((void *)dbox2_flash_map.virt); - return -ENXIO; -} - -static void __exit cleanup_dbox2_flash(void) -{ - if (mymtd) { - del_mtd_partitions(mymtd); - map_destroy(mymtd); - } - if (dbox2_flash_map.virt) { - iounmap((void *)dbox2_flash_map.virt); - dbox2_flash_map.virt = 0; - } -} - -module_init(init_dbox2_flash); -module_exit(cleanup_dbox2_flash); - - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Kári DavÃðsson <kd@flaga.is>, Bastian Blank <waldi@tuxbox.org>, Alexander Wild <wild@te-elektronik.com>"); -MODULE_DESCRIPTION("MTD map driver for D-Box 2 board"); diff --git a/drivers/mtd/maps/dc21285.c b/drivers/mtd/maps/dc21285.c index 42969fe051b..f8a7dd14cee 100644 --- a/drivers/mtd/maps/dc21285.c +++ b/drivers/mtd/maps/dc21285.c @@ -1,7 +1,7 @@ /* * MTD map driver for flash on the DC21285 (the StrongARM-110 companion chip) * - * (C) 2000 Nicolas Pitre <nico@cam.org> + * (C) 2000 Nicolas Pitre <nico@fluxnic.net> * * This code is GPL */ @@ -143,20 +143,11 @@ static struct map_info dc21285_map = { .copy_from = dc21285_copy_from, }; - /* Partition stuff */ -#ifdef CONFIG_MTD_PARTITIONS -static struct mtd_partition *dc21285_parts; -static const char *probes[] = { "RedBoot", "cmdlinepart", NULL }; -#endif +static const char * const probes[] = { "RedBoot", "cmdlinepart", NULL }; static int __init init_dc21285(void) { - -#ifdef CONFIG_MTD_PARTITIONS - int nrparts; -#endif - /* Determine bankwidth */ switch (*CSR_SA110_CNTL & (3<<14)) { case SA110_CNTL_ROMWIDTH_8: @@ -204,13 +195,7 @@ static int __init init_dc21285(void) dc21285_mtd->owner = THIS_MODULE; -#ifdef CONFIG_MTD_PARTITIONS - nrparts = parse_mtd_partitions(dc21285_mtd, probes, &dc21285_parts, 0); - if (nrparts > 0) - add_mtd_partitions(dc21285_mtd, dc21285_parts, nrparts); - else -#endif - add_mtd_device(dc21285_mtd); + mtd_device_parse_register(dc21285_mtd, probes, NULL, NULL, 0); if(machine_is_ebsa285()) { /* @@ -232,14 +217,7 @@ static int __init init_dc21285(void) static void __exit cleanup_dc21285(void) { -#ifdef CONFIG_MTD_PARTITIONS - if (dc21285_parts) { - del_mtd_partitions(dc21285_mtd); - kfree(dc21285_parts); - } else -#endif - del_mtd_device(dc21285_mtd); - + mtd_device_unregister(dc21285_mtd); map_destroy(dc21285_mtd); iounmap(dc21285_map.virt); } @@ -249,5 +227,5 @@ module_exit(cleanup_dc21285); MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Nicolas Pitre <nico@cam.org>"); +MODULE_AUTHOR("Nicolas Pitre <nico@fluxnic.net>"); MODULE_DESCRIPTION("MTD map driver for DC21285 boards"); diff --git a/drivers/mtd/maps/dilnetpc.c b/drivers/mtd/maps/dilnetpc.c deleted file mode 100644 index 0713e3a5a22..00000000000 --- a/drivers/mtd/maps/dilnetpc.c +++ /dev/null @@ -1,495 +0,0 @@ -/* dilnetpc.c -- MTD map driver for SSV DIL/Net PC Boards "DNP" and "ADNP" - * - * 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 - * - * The DIL/Net PC is a tiny embedded PC board made by SSV Embedded Systems - * featuring the AMD Elan SC410 processor. There are two variants of this - * board: DNP/1486 and ADNP/1486. The DNP version has 2 megs of flash - * ROM (Intel 28F016S3) and 8 megs of DRAM, the ADNP version has 4 megs - * flash and 16 megs of RAM. - * For details, see http://www.ssv-embedded.de/ssv/pc104/p169.htm - * and http://www.ssv-embedded.de/ssv/pc104/p170.htm - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/string.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/concat.h> - -#include <asm/io.h> - -/* -** The DIL/NetPC keeps its BIOS in two distinct flash blocks. -** Destroying any of these blocks transforms the DNPC into -** a paperweight (albeit not a very useful one, considering -** it only weighs a few grams). -** -** Therefore, the BIOS blocks must never be erased or written to -** except by people who know exactly what they are doing (e.g. -** to install a BIOS update). These partitions are marked read-only -** by default, but can be made read/write by undefining -** DNPC_BIOS_BLOCKS_WRITEPROTECTED: -*/ -#define DNPC_BIOS_BLOCKS_WRITEPROTECTED - -/* -** The ID string (in ROM) is checked to determine whether we -** are running on a DNP/1486 or ADNP/1486 -*/ -#define BIOSID_BASE 0x000fe100 - -#define ID_DNPC "DNP1486" -#define ID_ADNP "ADNP1486" - -/* -** Address where the flash should appear in CPU space -*/ -#define FLASH_BASE 0x2000000 - -/* -** Chip Setup and Control (CSC) indexed register space -*/ -#define CSC_INDEX 0x22 -#define CSC_DATA 0x23 - -#define CSC_MMSWAR 0x30 /* MMS window C-F attributes register */ -#define CSC_MMSWDSR 0x31 /* MMS window C-F device select register */ - -#define CSC_RBWR 0xa7 /* GPIO Read-Back/Write Register B */ - -#define CSC_CR 0xd0 /* internal I/O device disable/Echo */ - /* Z-bus/configuration register */ - -#define CSC_PCCMDCR 0xf1 /* PC card mode and DMA control register */ - - -/* -** PC Card indexed register space: -*/ - -#define PCC_INDEX 0x3e0 -#define PCC_DATA 0x3e1 - -#define PCC_AWER_B 0x46 /* Socket B Address Window enable register */ -#define PCC_MWSAR_1_Lo 0x58 /* memory window 1 start address low register */ -#define PCC_MWSAR_1_Hi 0x59 /* memory window 1 start address high register */ -#define PCC_MWEAR_1_Lo 0x5A /* memory window 1 stop address low register */ -#define PCC_MWEAR_1_Hi 0x5B /* memory window 1 stop address high register */ -#define PCC_MWAOR_1_Lo 0x5C /* memory window 1 address offset low register */ -#define PCC_MWAOR_1_Hi 0x5D /* memory window 1 address offset high register */ - - -/* -** Access to SC4x0's Chip Setup and Control (CSC) -** and PC Card (PCC) indexed registers: -*/ -static inline void setcsc(int reg, unsigned char data) -{ - outb(reg, CSC_INDEX); - outb(data, CSC_DATA); -} - -static inline unsigned char getcsc(int reg) -{ - outb(reg, CSC_INDEX); - return(inb(CSC_DATA)); -} - -static inline void setpcc(int reg, unsigned char data) -{ - outb(reg, PCC_INDEX); - outb(data, PCC_DATA); -} - -static inline unsigned char getpcc(int reg) -{ - outb(reg, PCC_INDEX); - return(inb(PCC_DATA)); -} - - -/* -************************************************************ -** Enable access to DIL/NetPC's flash by mapping it into -** the SC4x0's MMS Window C. -************************************************************ -*/ -static void dnpc_map_flash(unsigned long flash_base, unsigned long flash_size) -{ - unsigned long flash_end = flash_base + flash_size - 1; - - /* - ** enable setup of MMS windows C-F: - */ - /* - enable PC Card indexed register space */ - setcsc(CSC_CR, getcsc(CSC_CR) | 0x2); - /* - set PC Card controller to operate in standard mode */ - setcsc(CSC_PCCMDCR, getcsc(CSC_PCCMDCR) & ~1); - - /* - ** Program base address and end address of window - ** where the flash ROM should appear in CPU address space - */ - setpcc(PCC_MWSAR_1_Lo, (flash_base >> 12) & 0xff); - setpcc(PCC_MWSAR_1_Hi, (flash_base >> 20) & 0x3f); - setpcc(PCC_MWEAR_1_Lo, (flash_end >> 12) & 0xff); - setpcc(PCC_MWEAR_1_Hi, (flash_end >> 20) & 0x3f); - - /* program offset of first flash location to appear in this window (0) */ - setpcc(PCC_MWAOR_1_Lo, ((0 - flash_base) >> 12) & 0xff); - setpcc(PCC_MWAOR_1_Hi, ((0 - flash_base)>> 20) & 0x3f); - - /* set attributes for MMS window C: non-cacheable, write-enabled */ - setcsc(CSC_MMSWAR, getcsc(CSC_MMSWAR) & ~0x11); - - /* select physical device ROMCS0 (i.e. flash) for MMS Window C */ - setcsc(CSC_MMSWDSR, getcsc(CSC_MMSWDSR) & ~0x03); - - /* enable memory window 1 */ - setpcc(PCC_AWER_B, getpcc(PCC_AWER_B) | 0x02); - - /* now disable PC Card indexed register space again */ - setcsc(CSC_CR, getcsc(CSC_CR) & ~0x2); -} - - -/* -************************************************************ -** Disable access to DIL/NetPC's flash by mapping it into -** the SC4x0's MMS Window C. -************************************************************ -*/ -static void dnpc_unmap_flash(void) -{ - /* - enable PC Card indexed register space */ - setcsc(CSC_CR, getcsc(CSC_CR) | 0x2); - - /* disable memory window 1 */ - setpcc(PCC_AWER_B, getpcc(PCC_AWER_B) & ~0x02); - - /* now disable PC Card indexed register space again */ - setcsc(CSC_CR, getcsc(CSC_CR) & ~0x2); -} - - - -/* -************************************************************ -** Enable/Disable VPP to write to flash -************************************************************ -*/ - -static DEFINE_SPINLOCK(dnpc_spin); -static int vpp_counter = 0; -/* -** This is what has to be done for the DNP board .. -*/ -static void dnp_set_vpp(struct map_info *not_used, int on) -{ - spin_lock_irq(&dnpc_spin); - - if (on) - { - if(++vpp_counter == 1) - setcsc(CSC_RBWR, getcsc(CSC_RBWR) & ~0x4); - } - else - { - if(--vpp_counter == 0) - setcsc(CSC_RBWR, getcsc(CSC_RBWR) | 0x4); - else - BUG_ON(vpp_counter < 0); - } - spin_unlock_irq(&dnpc_spin); -} - -/* -** .. and this the ADNP version: -*/ -static void adnp_set_vpp(struct map_info *not_used, int on) -{ - spin_lock_irq(&dnpc_spin); - - if (on) - { - if(++vpp_counter == 1) - setcsc(CSC_RBWR, getcsc(CSC_RBWR) & ~0x8); - } - else - { - if(--vpp_counter == 0) - setcsc(CSC_RBWR, getcsc(CSC_RBWR) | 0x8); - else - BUG_ON(vpp_counter < 0); - } - spin_unlock_irq(&dnpc_spin); -} - - - -#define DNP_WINDOW_SIZE 0x00200000 /* DNP flash size is 2MiB */ -#define ADNP_WINDOW_SIZE 0x00400000 /* ADNP flash size is 4MiB */ -#define WINDOW_ADDR FLASH_BASE - -static struct map_info dnpc_map = { - .name = "ADNP Flash Bank", - .size = ADNP_WINDOW_SIZE, - .bankwidth = 1, - .set_vpp = adnp_set_vpp, - .phys = WINDOW_ADDR -}; - -/* -** The layout of the flash is somewhat "strange": -** -** 1. 960 KiB (15 blocks) : Space for ROM Bootloader and user data -** 2. 64 KiB (1 block) : System BIOS -** 3. 960 KiB (15 blocks) : User Data (DNP model) or -** 3. 3008 KiB (47 blocks) : User Data (ADNP model) -** 4. 64 KiB (1 block) : System BIOS Entry -*/ - -static struct mtd_partition partition_info[]= -{ - { - .name = "ADNP boot", - .offset = 0, - .size = 0xf0000, - }, - { - .name = "ADNP system BIOS", - .offset = MTDPART_OFS_NXTBLK, - .size = 0x10000, -#ifdef DNPC_BIOS_BLOCKS_WRITEPROTECTED - .mask_flags = MTD_WRITEABLE, -#endif - }, - { - .name = "ADNP file system", - .offset = MTDPART_OFS_NXTBLK, - .size = 0x2f0000, - }, - { - .name = "ADNP system BIOS entry", - .offset = MTDPART_OFS_NXTBLK, - .size = MTDPART_SIZ_FULL, -#ifdef DNPC_BIOS_BLOCKS_WRITEPROTECTED - .mask_flags = MTD_WRITEABLE, -#endif - }, -}; - -#define NUM_PARTITIONS ARRAY_SIZE(partition_info) - -static struct mtd_info *mymtd; -static struct mtd_info *lowlvl_parts[NUM_PARTITIONS]; -static struct mtd_info *merged_mtd; - -/* -** "Highlevel" partition info: -** -** Using the MTD concat layer, we can re-arrange partitions to our -** liking: we construct a virtual MTD device by concatenating the -** partitions, specifying the sequence such that the boot block -** is immediately followed by the filesystem block (i.e. the stupid -** system BIOS block is mapped to a different place). When re-partitioning -** this concatenated MTD device, we can set the boot block size to -** an arbitrary (though erase block aligned) value i.e. not one that -** is dictated by the flash's physical layout. We can thus set the -** boot block to be e.g. 64 KB (which is fully sufficient if we want -** to boot an etherboot image) or to -say- 1.5 MB if we want to boot -** a large kernel image. In all cases, the remainder of the flash -** is available as file system space. -*/ - -static struct mtd_partition higlvl_partition_info[]= -{ - { - .name = "ADNP boot block", - .offset = 0, - .size = CONFIG_MTD_DILNETPC_BOOTSIZE, - }, - { - .name = "ADNP file system space", - .offset = MTDPART_OFS_NXTBLK, - .size = ADNP_WINDOW_SIZE-CONFIG_MTD_DILNETPC_BOOTSIZE-0x20000, - }, - { - .name = "ADNP system BIOS + BIOS Entry", - .offset = MTDPART_OFS_NXTBLK, - .size = MTDPART_SIZ_FULL, -#ifdef DNPC_BIOS_BLOCKS_WRITEPROTECTED - .mask_flags = MTD_WRITEABLE, -#endif - }, -}; - -#define NUM_HIGHLVL_PARTITIONS ARRAY_SIZE(higlvl_partition_info) - - -static int dnp_adnp_probe(void) -{ - char *biosid, rc = -1; - - biosid = (char*)ioremap(BIOSID_BASE, 16); - if(biosid) - { - if(!strcmp(biosid, ID_DNPC)) - rc = 1; /* this is a DNPC */ - else if(!strcmp(biosid, ID_ADNP)) - rc = 0; /* this is a ADNPC */ - } - iounmap((void *)biosid); - return(rc); -} - - -static int __init init_dnpc(void) -{ - int is_dnp; - - /* - ** determine hardware (DNP/ADNP/invalid) - */ - if((is_dnp = dnp_adnp_probe()) < 0) - return -ENXIO; - - /* - ** Things are set up for ADNP by default - ** -> modify all that needs to be different for DNP - */ - if(is_dnp) - { /* - ** Adjust window size, select correct set_vpp function. - ** The partitioning scheme is identical on both DNP - ** and ADNP except for the size of the third partition. - */ - int i; - dnpc_map.size = DNP_WINDOW_SIZE; - dnpc_map.set_vpp = dnp_set_vpp; - partition_info[2].size = 0xf0000; - - /* - ** increment all string pointers so the leading 'A' gets skipped, - ** thus turning all occurrences of "ADNP ..." into "DNP ..." - */ - ++dnpc_map.name; - for(i = 0; i < NUM_PARTITIONS; i++) - ++partition_info[i].name; - higlvl_partition_info[1].size = DNP_WINDOW_SIZE - - CONFIG_MTD_DILNETPC_BOOTSIZE - 0x20000; - for(i = 0; i < NUM_HIGHLVL_PARTITIONS; i++) - ++higlvl_partition_info[i].name; - } - - printk(KERN_NOTICE "DIL/Net %s flash: 0x%lx at 0x%llx\n", - is_dnp ? "DNPC" : "ADNP", dnpc_map.size, (unsigned long long)dnpc_map.phys); - - dnpc_map.virt = ioremap_nocache(dnpc_map.phys, dnpc_map.size); - - dnpc_map_flash(dnpc_map.phys, dnpc_map.size); - - if (!dnpc_map.virt) { - printk("Failed to ioremap_nocache\n"); - return -EIO; - } - simple_map_init(&dnpc_map); - - printk("FLASH virtual address: 0x%p\n", dnpc_map.virt); - - mymtd = do_map_probe("jedec_probe", &dnpc_map); - - if (!mymtd) - mymtd = do_map_probe("cfi_probe", &dnpc_map); - - /* - ** If flash probes fail, try to make flashes accessible - ** at least as ROM. Ajust erasesize in this case since - ** the default one (128M) will break our partitioning - */ - if (!mymtd) - if((mymtd = do_map_probe("map_rom", &dnpc_map))) - mymtd->erasesize = 0x10000; - - if (!mymtd) { - iounmap(dnpc_map.virt); - return -ENXIO; - } - - mymtd->owner = THIS_MODULE; - - /* - ** Supply pointers to lowlvl_parts[] array to add_mtd_partitions() - ** -> add_mtd_partitions() will _not_ register MTD devices for - ** the partitions, but will instead store pointers to the MTD - ** objects it creates into our lowlvl_parts[] array. - ** NOTE: we arrange the pointers such that the sequence of the - ** partitions gets re-arranged: partition #2 follows - ** partition #0. - */ - partition_info[0].mtdp = &lowlvl_parts[0]; - partition_info[1].mtdp = &lowlvl_parts[2]; - partition_info[2].mtdp = &lowlvl_parts[1]; - partition_info[3].mtdp = &lowlvl_parts[3]; - - add_mtd_partitions(mymtd, partition_info, NUM_PARTITIONS); - - /* - ** now create a virtual MTD device by concatenating the for partitions - ** (in the sequence given by the lowlvl_parts[] array. - */ - merged_mtd = mtd_concat_create(lowlvl_parts, NUM_PARTITIONS, "(A)DNP Flash Concatenated"); - if(merged_mtd) - { /* - ** now partition the new device the way we want it. This time, - ** we do not supply mtd pointers in higlvl_partition_info, so - ** add_mtd_partitions() will register the devices. - */ - add_mtd_partitions(merged_mtd, higlvl_partition_info, NUM_HIGHLVL_PARTITIONS); - } - - return 0; -} - -static void __exit cleanup_dnpc(void) -{ - if(merged_mtd) { - del_mtd_partitions(merged_mtd); - mtd_concat_destroy(merged_mtd); - } - - if (mymtd) { - del_mtd_partitions(mymtd); - map_destroy(mymtd); - } - if (dnpc_map.virt) { - iounmap(dnpc_map.virt); - dnpc_unmap_flash(); - dnpc_map.virt = NULL; - } -} - -module_init(init_dnpc); -module_exit(cleanup_dnpc); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Sysgo Real-Time Solutions GmbH"); -MODULE_DESCRIPTION("MTD map driver for SSV DIL/NetPC DNP & ADNP"); diff --git a/drivers/mtd/maps/dmv182.c b/drivers/mtd/maps/dmv182.c deleted file mode 100644 index d171674eb2e..00000000000 --- a/drivers/mtd/maps/dmv182.c +++ /dev/null @@ -1,146 +0,0 @@ - -/* - * drivers/mtd/maps/dmv182.c - * - * Flash map driver for the Dy4 SVME182 board - * - * Copyright 2003-2004, TimeSys Corporation - * - * Based on the SVME181 flash map, by Tom Nelson, Dot4, Inc. for TimeSys Corp. - * - * 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/init.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <asm/io.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> -#include <linux/errno.h> - -/* - * This driver currently handles only the 16MiB user flash bank 1 on the - * board. It does not provide access to bank 0 (contains the Dy4 FFW), bank 2 - * (VxWorks boot), or the optional 48MiB expansion flash. - * - * scott.wood@timesys.com: On the newer boards with 128MiB flash, it - * now supports the first 96MiB (the boot flash bank containing FFW - * is excluded). The VxWorks loader is in partition 1. - */ - -#define FLASH_BASE_ADDR 0xf0000000 -#define FLASH_BANK_SIZE (128*1024*1024) - -MODULE_AUTHOR("Scott Wood, TimeSys Corporation <scott.wood@timesys.com>"); -MODULE_DESCRIPTION("User-programmable flash device on the Dy4 SVME182 board"); -MODULE_LICENSE("GPL"); - -static struct map_info svme182_map = { - .name = "Dy4 SVME182", - .bankwidth = 32, - .size = 128 * 1024 * 1024 -}; - -#define BOOTIMAGE_PART_SIZE ((6*1024*1024)-RESERVED_PART_SIZE) - -// Allow 6MiB for the kernel -#define NEW_BOOTIMAGE_PART_SIZE (6 * 1024 * 1024) -// Allow 1MiB for the bootloader -#define NEW_BOOTLOADER_PART_SIZE (1024 * 1024) -// Use the remaining 9MiB at the end of flash for the RFS -#define NEW_RFS_PART_SIZE (0x01000000 - NEW_BOOTLOADER_PART_SIZE - \ - NEW_BOOTIMAGE_PART_SIZE) - -static struct mtd_partition svme182_partitions[] = { - // The Lower PABS is only 128KiB, but the partition code doesn't - // like partitions that don't end on the largest erase block - // size of the device, even if all of the erase blocks in the - // partition are small ones. The hardware should prevent - // writes to the actual PABS areas. - { - name: "Lower PABS and CPU 0 bootloader or kernel", - size: 6*1024*1024, - offset: 0, - }, - { - name: "Root Filesystem", - size: 10*1024*1024, - offset: MTDPART_OFS_NXTBLK - }, - { - name: "CPU1 Bootloader", - size: 1024*1024, - offset: MTDPART_OFS_NXTBLK, - }, - { - name: "Extra", - size: 110*1024*1024, - offset: MTDPART_OFS_NXTBLK - }, - { - name: "Foundation Firmware and Upper PABS", - size: 1024*1024, - offset: MTDPART_OFS_NXTBLK, - mask_flags: MTD_WRITEABLE // read-only - } -}; - -static struct mtd_info *this_mtd; - -static int __init init_svme182(void) -{ - struct mtd_partition *partitions; - int num_parts = ARRAY_SIZE(svme182_partitions); - - partitions = svme182_partitions; - - svme182_map.virt = ioremap(FLASH_BASE_ADDR, svme182_map.size); - - if (svme182_map.virt == 0) { - printk("Failed to ioremap FLASH memory area.\n"); - return -EIO; - } - - simple_map_init(&svme182_map); - - this_mtd = do_map_probe("cfi_probe", &svme182_map); - if (!this_mtd) - { - iounmap((void *)svme182_map.virt); - return -ENXIO; - } - - printk(KERN_NOTICE "SVME182 flash device: %dMiB at 0x%08x\n", - this_mtd->size >> 20, FLASH_BASE_ADDR); - - this_mtd->owner = THIS_MODULE; - add_mtd_partitions(this_mtd, partitions, num_parts); - - return 0; -} - -static void __exit cleanup_svme182(void) -{ - if (this_mtd) - { - del_mtd_partitions(this_mtd); - map_destroy(this_mtd); - } - - if (svme182_map.virt) - { - iounmap((void *)svme182_map.virt); - svme182_map.virt = 0; - } - - return; -} - -module_init(init_svme182); -module_exit(cleanup_svme182); diff --git a/drivers/mtd/maps/edb7312.c b/drivers/mtd/maps/edb7312.c deleted file mode 100644 index be9e90b4458..00000000000 --- a/drivers/mtd/maps/edb7312.c +++ /dev/null @@ -1,144 +0,0 @@ -/* - * Handle mapping of the NOR flash on Cogent EDB7312 boards - * - * Copyright 2002 SYSGO Real-Time Solutions GmbH - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <asm/io.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> - -#ifdef CONFIG_MTD_PARTITIONS -#include <linux/mtd/partitions.h> -#endif - -#define WINDOW_ADDR 0x00000000 /* physical properties of flash */ -#define WINDOW_SIZE 0x01000000 -#define BUSWIDTH 2 -#define FLASH_BLOCKSIZE_MAIN 0x20000 -#define FLASH_NUMBLOCKS_MAIN 128 -/* can be "cfi_probe", "jedec_probe", "map_rom", NULL }; */ -#define PROBETYPES { "cfi_probe", NULL } - -#define MSG_PREFIX "EDB7312-NOR:" /* prefix for our printk()'s */ -#define MTDID "edb7312-nor" /* for mtdparts= partitioning */ - -static struct mtd_info *mymtd; - -struct map_info edb7312nor_map = { - .name = "NOR flash on EDB7312", - .size = WINDOW_SIZE, - .bankwidth = BUSWIDTH, - .phys = WINDOW_ADDR, -}; - -#ifdef CONFIG_MTD_PARTITIONS - -/* - * MTD partitioning stuff - */ -static struct mtd_partition static_partitions[3] = -{ - { - .name = "ARMboot", - .size = 0x40000, - .offset = 0 - }, - { - .name = "Kernel", - .size = 0x200000, - .offset = 0x40000 - }, - { - .name = "RootFS", - .size = 0xDC0000, - .offset = 0x240000 - }, -}; - -static const char *probes[] = { "RedBoot", "cmdlinepart", NULL }; - -#endif - -static int mtd_parts_nb = 0; -static struct mtd_partition *mtd_parts = 0; - -static int __init init_edb7312nor(void) -{ - static const char *rom_probe_types[] = PROBETYPES; - const char **type; - const char *part_type = 0; - - printk(KERN_NOTICE MSG_PREFIX "0x%08x at 0x%08x\n", - WINDOW_SIZE, WINDOW_ADDR); - edb7312nor_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE); - - if (!edb7312nor_map.virt) { - printk(MSG_PREFIX "failed to ioremap\n"); - return -EIO; - } - - simple_map_init(&edb7312nor_map); - - mymtd = 0; - type = rom_probe_types; - for(; !mymtd && *type; type++) { - mymtd = do_map_probe(*type, &edb7312nor_map); - } - if (mymtd) { - mymtd->owner = THIS_MODULE; - -#ifdef CONFIG_MTD_PARTITIONS - mtd_parts_nb = parse_mtd_partitions(mymtd, probes, &mtd_parts, MTDID); - if (mtd_parts_nb > 0) - part_type = "detected"; - - if (mtd_parts_nb == 0) - { - mtd_parts = static_partitions; - mtd_parts_nb = ARRAY_SIZE(static_partitions); - part_type = "static"; - } -#endif - add_mtd_device(mymtd); - if (mtd_parts_nb == 0) - printk(KERN_NOTICE MSG_PREFIX "no partition info available\n"); - else - { - printk(KERN_NOTICE MSG_PREFIX - "using %s partition definition\n", part_type); - add_mtd_partitions(mymtd, mtd_parts, mtd_parts_nb); - } - return 0; - } - - iounmap((void *)edb7312nor_map.virt); - return -ENXIO; -} - -static void __exit cleanup_edb7312nor(void) -{ - if (mymtd) { - del_mtd_device(mymtd); - map_destroy(mymtd); - } - if (edb7312nor_map.virt) { - iounmap((void *)edb7312nor_map.virt); - edb7312nor_map.virt = 0; - } -} - -module_init(init_edb7312nor); -module_exit(cleanup_edb7312nor); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Marius Groeger <mag@sysgo.de>"); -MODULE_DESCRIPTION("Generic configurable MTD map driver"); diff --git a/drivers/mtd/maps/esb2rom.c b/drivers/mtd/maps/esb2rom.c index 11a2f57df9c..f784cf0caa1 100644 --- a/drivers/mtd/maps/esb2rom.c +++ b/drivers/mtd/maps/esb2rom.c @@ -14,6 +14,7 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/slab.h> #include <asm/io.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> @@ -127,7 +128,7 @@ static void esb2rom_cleanup(struct esb2rom_window *window) list_for_each_entry_safe(map, scratch, &window->maps, list) { if (map->rsrc.parent) release_resource(&map->rsrc); - del_mtd_device(map->mtd); + mtd_device_unregister(map->mtd); map_destroy(map->mtd); list_del(&map->list); kfree(map); @@ -143,8 +144,8 @@ static void esb2rom_cleanup(struct esb2rom_window *window) pci_dev_put(window->pdev); } -static int __devinit esb2rom_init_one(struct pci_dev *pdev, - const struct pci_device_id *ent) +static int esb2rom_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) { static char *rom_probe_types[] = { "cfi_probe", "jedec_probe", NULL }; struct esb2rom_window *window = &esb2rom_window; @@ -241,12 +242,9 @@ static int __devinit esb2rom_init_one(struct pci_dev *pdev, window->rsrc.flags = IORESOURCE_MEM | IORESOURCE_BUSY; if (request_resource(&iomem_resource, &window->rsrc)) { window->rsrc.parent = NULL; - printk(KERN_DEBUG MOD_NAME - ": %s(): Unable to register resource" - " 0x%.08llx-0x%.08llx - kernel bug?\n", - __func__, - (unsigned long long)window->rsrc.start, - (unsigned long long)window->rsrc.end); + printk(KERN_DEBUG MOD_NAME ": " + "%s(): Unable to register resource %pR - kernel bug?\n", + __func__, &window->rsrc); } /* Map the firmware hub into my address space. */ @@ -354,7 +352,7 @@ static int __devinit esb2rom_init_one(struct pci_dev *pdev, /* Now that the mtd devices is complete claim and export it */ map->mtd->owner = THIS_MODULE; - if (add_mtd_device(map->mtd)) { + if (mtd_device_register(map->mtd, NULL, 0)) { map_destroy(map->mtd); map->mtd = NULL; goto out; @@ -380,13 +378,13 @@ static int __devinit esb2rom_init_one(struct pci_dev *pdev, return 0; } -static void __devexit esb2rom_remove_one (struct pci_dev *pdev) +static void esb2rom_remove_one(struct pci_dev *pdev) { struct esb2rom_window *window = &esb2rom_window; esb2rom_cleanup(window); } -static struct pci_device_id esb2rom_pci_tbl[] __devinitdata = { +static struct pci_device_id esb2rom_pci_tbl[] = { { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0, PCI_ANY_ID, PCI_ANY_ID, }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0, diff --git a/drivers/mtd/maps/fortunet.c b/drivers/mtd/maps/fortunet.c deleted file mode 100644 index 1e43124d498..00000000000 --- a/drivers/mtd/maps/fortunet.c +++ /dev/null @@ -1,276 +0,0 @@ -/* fortunet.c memory map - * - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/string.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -#include <asm/io.h> - -#define MAX_NUM_REGIONS 4 -#define MAX_NUM_PARTITIONS 8 - -#define DEF_WINDOW_ADDR_PHY 0x00000000 -#define DEF_WINDOW_SIZE 0x00800000 // 8 Mega Bytes - -#define MTD_FORTUNET_PK "MTD FortuNet: " - -#define MAX_NAME_SIZE 128 - -struct map_region -{ - int window_addr_physical; - int altbankwidth; - struct map_info map_info; - struct mtd_info *mymtd; - struct mtd_partition parts[MAX_NUM_PARTITIONS]; - char map_name[MAX_NAME_SIZE]; - char parts_name[MAX_NUM_PARTITIONS][MAX_NAME_SIZE]; -}; - -static struct map_region map_regions[MAX_NUM_REGIONS]; -static int map_regions_set[MAX_NUM_REGIONS] = {0,0,0,0}; -static int map_regions_parts[MAX_NUM_REGIONS] = {0,0,0,0}; - - - -struct map_info default_map = { - .size = DEF_WINDOW_SIZE, - .bankwidth = 4, -}; - -static char * __init get_string_option(char *dest,int dest_size,char *sor) -{ - if(!dest_size) - return sor; - dest_size--; - while(*sor) - { - if(*sor==',') - { - sor++; - break; - } - else if(*sor=='\"') - { - sor++; - while(*sor) - { - if(*sor=='\"') - { - sor++; - break; - } - *dest = *sor; - dest++; - sor++; - dest_size--; - if(!dest_size) - { - *dest = 0; - return sor; - } - } - } - else - { - *dest = *sor; - dest++; - sor++; - dest_size--; - if(!dest_size) - { - *dest = 0; - return sor; - } - } - } - *dest = 0; - return sor; -} - -static int __init MTD_New_Region(char *line) -{ - char string[MAX_NAME_SIZE]; - int params[6]; - get_options (get_string_option(string,sizeof(string),line),6,params); - if(params[0]<1) - { - printk(MTD_FORTUNET_PK "Bad parameters for MTD Region " - " name,region-number[,base,size,bankwidth,altbankwidth]\n"); - return 1; - } - if((params[1]<0)||(params[1]>=MAX_NUM_REGIONS)) - { - printk(MTD_FORTUNET_PK "Bad region index of %d only have 0..%u regions\n", - params[1],MAX_NUM_REGIONS-1); - return 1; - } - memset(&map_regions[params[1]],0,sizeof(map_regions[params[1]])); - memcpy(&map_regions[params[1]].map_info, - &default_map,sizeof(map_regions[params[1]].map_info)); - map_regions_set[params[1]] = 1; - map_regions[params[1]].window_addr_physical = DEF_WINDOW_ADDR_PHY; - map_regions[params[1]].altbankwidth = 2; - map_regions[params[1]].mymtd = NULL; - map_regions[params[1]].map_info.name = map_regions[params[1]].map_name; - strcpy(map_regions[params[1]].map_info.name,string); - if(params[0]>1) - { - map_regions[params[1]].window_addr_physical = params[2]; - } - if(params[0]>2) - { - map_regions[params[1]].map_info.size = params[3]; - } - if(params[0]>3) - { - map_regions[params[1]].map_info.bankwidth = params[4]; - } - if(params[0]>4) - { - map_regions[params[1]].altbankwidth = params[5]; - } - return 1; -} - -static int __init MTD_New_Partition(char *line) -{ - char string[MAX_NAME_SIZE]; - int params[4]; - get_options (get_string_option(string,sizeof(string),line),4,params); - if(params[0]<3) - { - printk(MTD_FORTUNET_PK "Bad parameters for MTD Partition " - " name,region-number,size,offset\n"); - return 1; - } - if((params[1]<0)||(params[1]>=MAX_NUM_REGIONS)) - { - printk(MTD_FORTUNET_PK "Bad region index of %d only have 0..%u regions\n", - params[1],MAX_NUM_REGIONS-1); - return 1; - } - if(map_regions_parts[params[1]]>=MAX_NUM_PARTITIONS) - { - printk(MTD_FORTUNET_PK "Out of space for partition in this region\n"); - return 1; - } - map_regions[params[1]].parts[map_regions_parts[params[1]]].name = - map_regions[params[1]]. parts_name[map_regions_parts[params[1]]]; - strcpy(map_regions[params[1]].parts[map_regions_parts[params[1]]].name,string); - map_regions[params[1]].parts[map_regions_parts[params[1]]].size = - params[2]; - map_regions[params[1]].parts[map_regions_parts[params[1]]].offset = - params[3]; - map_regions[params[1]].parts[map_regions_parts[params[1]]].mask_flags = 0; - map_regions_parts[params[1]]++; - return 1; -} - -__setup("MTD_Region=", MTD_New_Region); -__setup("MTD_Partition=", MTD_New_Partition); - -/* Backwards-spelling-compatibility */ -__setup("MTD_Partion=", MTD_New_Partition); - -static int __init init_fortunet(void) -{ - int ix,iy; - for(iy=ix=0;ix<MAX_NUM_REGIONS;ix++) - { - if(map_regions_parts[ix]&&(!map_regions_set[ix])) - { - printk(MTD_FORTUNET_PK "Region %d is not setup (Setting to default)\n", - ix); - memset(&map_regions[ix],0,sizeof(map_regions[ix])); - memcpy(&map_regions[ix].map_info,&default_map, - sizeof(map_regions[ix].map_info)); - map_regions_set[ix] = 1; - map_regions[ix].window_addr_physical = DEF_WINDOW_ADDR_PHY; - map_regions[ix].altbankwidth = 2; - map_regions[ix].mymtd = NULL; - map_regions[ix].map_info.name = map_regions[ix].map_name; - strcpy(map_regions[ix].map_info.name,"FORTUNET"); - } - if(map_regions_set[ix]) - { - iy++; - printk(KERN_NOTICE MTD_FORTUNET_PK "%s flash device at physically " - " address %x size %x\n", - map_regions[ix].map_info.name, - map_regions[ix].window_addr_physical, - map_regions[ix].map_info.size); - - map_regions[ix].map_info.phys = map_regions[ix].window_addr_physical, - - map_regions[ix].map_info.virt = - ioremap_nocache( - map_regions[ix].window_addr_physical, - map_regions[ix].map_info.size); - if(!map_regions[ix].map_info.virt) - { - int j = 0; - printk(MTD_FORTUNET_PK "%s flash failed to ioremap!\n", - map_regions[ix].map_info.name); - for (j = 0 ; j < ix; j++) - iounmap(map_regions[j].map_info.virt); - return -ENXIO; - } - simple_map_init(&map_regions[ix].map_info); - - printk(KERN_NOTICE MTD_FORTUNET_PK "%s flash is virtually at: %x\n", - map_regions[ix].map_info.name, - map_regions[ix].map_info.virt); - map_regions[ix].mymtd = do_map_probe("cfi_probe", - &map_regions[ix].map_info); - if((!map_regions[ix].mymtd)&&( - map_regions[ix].altbankwidth!=map_regions[ix].map_info.bankwidth)) - { - printk(KERN_NOTICE MTD_FORTUNET_PK "Trying alternate bankwidth " - "for %s flash.\n", - map_regions[ix].map_info.name); - map_regions[ix].map_info.bankwidth = - map_regions[ix].altbankwidth; - map_regions[ix].mymtd = do_map_probe("cfi_probe", - &map_regions[ix].map_info); - } - map_regions[ix].mymtd->owner = THIS_MODULE; - add_mtd_partitions(map_regions[ix].mymtd, - map_regions[ix].parts,map_regions_parts[ix]); - } - } - if(iy) - return 0; - return -ENXIO; -} - -static void __exit cleanup_fortunet(void) -{ - int ix; - for(ix=0;ix<MAX_NUM_REGIONS;ix++) - { - if(map_regions_set[ix]) - { - if( map_regions[ix].mymtd ) - { - del_mtd_partitions( map_regions[ix].mymtd ); - map_destroy( map_regions[ix].mymtd ); - } - iounmap((void *)map_regions[ix].map_info.virt); - } - } -} - -module_init(init_fortunet); -module_exit(cleanup_fortunet); - -MODULE_AUTHOR("FortuNet, Inc."); -MODULE_DESCRIPTION("MTD map driver for FortuNet boards"); diff --git a/drivers/mtd/maps/gpio-addr-flash.c b/drivers/mtd/maps/gpio-addr-flash.c new file mode 100644 index 00000000000..a4c477b9fdd --- /dev/null +++ b/drivers/mtd/maps/gpio-addr-flash.c @@ -0,0 +1,288 @@ +/* + * drivers/mtd/maps/gpio-addr-flash.c + * + * Handle the case where a flash device is mostly addressed using physical + * line and supplemented by GPIOs. This way you can hook up say a 8MiB flash + * to a 2MiB memory range and use the GPIOs to select a particular range. + * + * Copyright © 2000 Nicolas Pitre <nico@cam.org> + * Copyright © 2005-2009 Analog Devices Inc. + * + * Enter bugs at http://blackfin.uclinux.org/ + * + * Licensed under the GPL-2 or later. + */ + +#include <linux/gpio.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/types.h> + +#define pr_devinit(fmt, args...) \ + ({ static const char __fmt[] = fmt; printk(__fmt, ## args); }) + +#define DRIVER_NAME "gpio-addr-flash" +#define PFX DRIVER_NAME ": " + +/** + * struct async_state - keep GPIO flash state + * @mtd: MTD state for this mapping + * @map: MTD map state for this flash + * @gpio_count: number of GPIOs used to address + * @gpio_addrs: array of GPIOs to twiddle + * @gpio_values: cached GPIO values + * @win_size: dedicated memory size (if no GPIOs) + */ +struct async_state { + struct mtd_info *mtd; + struct map_info map; + size_t gpio_count; + unsigned *gpio_addrs; + int *gpio_values; + unsigned long win_size; +}; +#define gf_map_info_to_state(mi) ((struct async_state *)(mi)->map_priv_1) + +/** + * gf_set_gpios() - set GPIO address lines to access specified flash offset + * @state: GPIO flash state + * @ofs: desired offset to access + * + * Rather than call the GPIO framework every time, cache the last-programmed + * value. This speeds up sequential accesses (which are by far the most common + * type). We rely on the GPIO framework to treat non-zero value as high so + * that we don't have to normalize the bits. + */ +static void gf_set_gpios(struct async_state *state, unsigned long ofs) +{ + size_t i = 0; + int value; + ofs /= state->win_size; + do { + value = ofs & (1 << i); + if (state->gpio_values[i] != value) { + gpio_set_value(state->gpio_addrs[i], value); + state->gpio_values[i] = value; + } + } while (++i < state->gpio_count); +} + +/** + * gf_read() - read a word at the specified offset + * @map: MTD map state + * @ofs: desired offset to read + */ +static map_word gf_read(struct map_info *map, unsigned long ofs) +{ + struct async_state *state = gf_map_info_to_state(map); + uint16_t word; + map_word test; + + gf_set_gpios(state, ofs); + + word = readw(map->virt + (ofs % state->win_size)); + test.x[0] = word; + return test; +} + +/** + * gf_copy_from() - copy a chunk of data from the flash + * @map: MTD map state + * @to: memory to copy to + * @from: flash offset to copy from + * @len: how much to copy + * + * We rely on the MTD layer to chunk up copies such that a single request here + * will not cross a window size. This allows us to only wiggle the GPIOs once + * before falling back to a normal memcpy. Reading the higher layer code shows + * that this is indeed the case, but add a BUG_ON() to future proof. + */ +static void gf_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) +{ + struct async_state *state = gf_map_info_to_state(map); + + gf_set_gpios(state, from); + + /* BUG if operation crosses the win_size */ + BUG_ON(!((from + len) % state->win_size <= (from + len))); + + /* operation does not cross the win_size, so one shot it */ + memcpy_fromio(to, map->virt + (from % state->win_size), len); +} + +/** + * gf_write() - write a word at the specified offset + * @map: MTD map state + * @ofs: desired offset to write + */ +static void gf_write(struct map_info *map, map_word d1, unsigned long ofs) +{ + struct async_state *state = gf_map_info_to_state(map); + uint16_t d; + + gf_set_gpios(state, ofs); + + d = d1.x[0]; + writew(d, map->virt + (ofs % state->win_size)); +} + +/** + * gf_copy_to() - copy a chunk of data to the flash + * @map: MTD map state + * @to: flash offset to copy to + * @from: memory to copy from + * @len: how much to copy + * + * See gf_copy_from() caveat. + */ +static void gf_copy_to(struct map_info *map, unsigned long to, + const void *from, ssize_t len) +{ + struct async_state *state = gf_map_info_to_state(map); + + gf_set_gpios(state, to); + + /* BUG if operation crosses the win_size */ + BUG_ON(!((to + len) % state->win_size <= (to + len))); + + /* operation does not cross the win_size, so one shot it */ + memcpy_toio(map->virt + (to % state->win_size), from, len); +} + +static const char * const part_probe_types[] = { + "cmdlinepart", "RedBoot", NULL }; + +/** + * gpio_flash_probe() - setup a mapping for a GPIO assisted flash + * @pdev: platform device + * + * The platform resource layout expected looks something like: + * struct mtd_partition partitions[] = { ... }; + * struct physmap_flash_data flash_data = { ... }; + * unsigned flash_gpios[] = { GPIO_XX, GPIO_XX, ... }; + * struct resource flash_resource[] = { + * { + * .name = "cfi_probe", + * .start = 0x20000000, + * .end = 0x201fffff, + * .flags = IORESOURCE_MEM, + * }, { + * .start = (unsigned long)flash_gpios, + * .end = ARRAY_SIZE(flash_gpios), + * .flags = IORESOURCE_IRQ, + * } + * }; + * struct platform_device flash_device = { + * .name = "gpio-addr-flash", + * .dev = { .platform_data = &flash_data, }, + * .num_resources = ARRAY_SIZE(flash_resource), + * .resource = flash_resource, + * ... + * }; + */ +static int gpio_flash_probe(struct platform_device *pdev) +{ + size_t i, arr_size; + struct physmap_flash_data *pdata; + struct resource *memory; + struct resource *gpios; + struct async_state *state; + + pdata = dev_get_platdata(&pdev->dev); + memory = platform_get_resource(pdev, IORESOURCE_MEM, 0); + gpios = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + + if (!memory || !gpios || !gpios->end) + return -EINVAL; + + arr_size = sizeof(int) * gpios->end; + state = kzalloc(sizeof(*state) + arr_size, GFP_KERNEL); + if (!state) + return -ENOMEM; + + /* + * We cast start/end to known types in the boards file, so cast + * away their pointer types here to the known types (gpios->xxx). + */ + state->gpio_count = gpios->end; + state->gpio_addrs = (void *)(unsigned long)gpios->start; + state->gpio_values = (void *)(state + 1); + state->win_size = resource_size(memory); + memset(state->gpio_values, 0xff, arr_size); + + state->map.name = DRIVER_NAME; + state->map.read = gf_read; + state->map.copy_from = gf_copy_from; + state->map.write = gf_write; + state->map.copy_to = gf_copy_to; + state->map.bankwidth = pdata->width; + state->map.size = state->win_size * (1 << state->gpio_count); + state->map.virt = ioremap_nocache(memory->start, state->map.size); + state->map.phys = NO_XIP; + state->map.map_priv_1 = (unsigned long)state; + + platform_set_drvdata(pdev, state); + + i = 0; + do { + if (gpio_request(state->gpio_addrs[i], DRIVER_NAME)) { + pr_devinit(KERN_ERR PFX "failed to request gpio %d\n", + state->gpio_addrs[i]); + while (i--) + gpio_free(state->gpio_addrs[i]); + kfree(state); + return -EBUSY; + } + gpio_direction_output(state->gpio_addrs[i], 0); + } while (++i < state->gpio_count); + + pr_devinit(KERN_NOTICE PFX "probing %d-bit flash bus\n", + state->map.bankwidth * 8); + state->mtd = do_map_probe(memory->name, &state->map); + if (!state->mtd) { + for (i = 0; i < state->gpio_count; ++i) + gpio_free(state->gpio_addrs[i]); + kfree(state); + return -ENXIO; + } + + + mtd_device_parse_register(state->mtd, part_probe_types, NULL, + pdata->parts, pdata->nr_parts); + + return 0; +} + +static int gpio_flash_remove(struct platform_device *pdev) +{ + struct async_state *state = platform_get_drvdata(pdev); + size_t i = 0; + do { + gpio_free(state->gpio_addrs[i]); + } while (++i < state->gpio_count); + mtd_device_unregister(state->mtd); + map_destroy(state->mtd); + kfree(state); + return 0; +} + +static struct platform_driver gpio_flash_driver = { + .probe = gpio_flash_probe, + .remove = gpio_flash_remove, + .driver = { + .name = DRIVER_NAME, + }, +}; + +module_platform_driver(gpio_flash_driver); + +MODULE_AUTHOR("Mike Frysinger <vapier@gentoo.org>"); +MODULE_DESCRIPTION("MTD map driver for flashes addressed physically and with gpios"); +MODULE_LICENSE("GPL"); diff --git a/drivers/mtd/maps/h720x-flash.c b/drivers/mtd/maps/h720x-flash.c deleted file mode 100644 index 72c724fa8c2..00000000000 --- a/drivers/mtd/maps/h720x-flash.c +++ /dev/null @@ -1,141 +0,0 @@ -/* - * Flash memory access on Hynix GMS30C7201/HMS30C7202 based - * evaluation boards - * - * (C) 2002 Jungjun Kim <jungjun.kim@hynix.com> - * 2003 Thomas Gleixner <tglx@linutronix.de> - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/slab.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> -#include <mach/hardware.h> -#include <asm/io.h> - -static struct mtd_info *mymtd; - -static struct map_info h720x_map = { - .name = "H720X", - .bankwidth = 4, - .size = H720X_FLASH_SIZE, - .phys = H720X_FLASH_PHYS, -}; - -static struct mtd_partition h720x_partitions[] = { - { - .name = "ArMon", - .size = 0x00080000, - .offset = 0, - .mask_flags = MTD_WRITEABLE - },{ - .name = "Env", - .size = 0x00040000, - .offset = 0x00080000, - .mask_flags = MTD_WRITEABLE - },{ - .name = "Kernel", - .size = 0x00180000, - .offset = 0x000c0000, - .mask_flags = MTD_WRITEABLE - },{ - .name = "Ramdisk", - .size = 0x00400000, - .offset = 0x00240000, - .mask_flags = MTD_WRITEABLE - },{ - .name = "jffs2", - .size = MTDPART_SIZ_FULL, - .offset = MTDPART_OFS_APPEND - } -}; - -#define NUM_PARTITIONS ARRAY_SIZE(h720x_partitions) - -static int nr_mtd_parts; -static struct mtd_partition *mtd_parts; -static const char *probes[] = { "cmdlinepart", NULL }; - -/* - * Initialize FLASH support - */ -static int __init h720x_mtd_init(void) -{ - - char *part_type = NULL; - - h720x_map.virt = ioremap(h720x_map.phys, h720x_map.size); - - if (!h720x_map.virt) { - printk(KERN_ERR "H720x-MTD: ioremap failed\n"); - return -EIO; - } - - simple_map_init(&h720x_map); - - // Probe for flash bankwidth 4 - printk (KERN_INFO "H720x-MTD probing 32bit FLASH\n"); - mymtd = do_map_probe("cfi_probe", &h720x_map); - if (!mymtd) { - printk (KERN_INFO "H720x-MTD probing 16bit FLASH\n"); - // Probe for bankwidth 2 - h720x_map.bankwidth = 2; - mymtd = do_map_probe("cfi_probe", &h720x_map); - } - - if (mymtd) { - mymtd->owner = THIS_MODULE; - -#ifdef CONFIG_MTD_PARTITIONS - nr_mtd_parts = parse_mtd_partitions(mymtd, probes, &mtd_parts, 0); - if (nr_mtd_parts > 0) - part_type = "command line"; -#endif - if (nr_mtd_parts <= 0) { - mtd_parts = h720x_partitions; - nr_mtd_parts = NUM_PARTITIONS; - part_type = "builtin"; - } - printk(KERN_INFO "Using %s partition table\n", part_type); - add_mtd_partitions(mymtd, mtd_parts, nr_mtd_parts); - return 0; - } - - iounmap((void *)h720x_map.virt); - return -ENXIO; -} - -/* - * Cleanup - */ -static void __exit h720x_mtd_cleanup(void) -{ - - if (mymtd) { - del_mtd_partitions(mymtd); - map_destroy(mymtd); - } - - /* Free partition info, if commandline partition was used */ - if (mtd_parts && (mtd_parts != h720x_partitions)) - kfree (mtd_parts); - - if (h720x_map.virt) { - iounmap((void *)h720x_map.virt); - h720x_map.virt = 0; - } -} - - -module_init(h720x_mtd_init); -module_exit(h720x_mtd_cleanup); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Thomas Gleixner <tglx@linutronix.de>"); -MODULE_DESCRIPTION("MTD map driver for Hynix evaluation boards"); diff --git a/drivers/mtd/maps/ichxrom.c b/drivers/mtd/maps/ichxrom.c index c32bc28920b..c7478e18f48 100644 --- a/drivers/mtd/maps/ichxrom.c +++ b/drivers/mtd/maps/ichxrom.c @@ -8,6 +8,7 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/slab.h> #include <asm/io.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> @@ -66,7 +67,7 @@ static void ichxrom_cleanup(struct ichxrom_window *window) list_for_each_entry_safe(map, scratch, &window->maps, list) { if (map->rsrc.parent) release_resource(&map->rsrc); - del_mtd_device(map->mtd); + mtd_device_unregister(map->mtd); map_destroy(map->mtd); list_del(&map->list); kfree(map); @@ -83,8 +84,8 @@ static void ichxrom_cleanup(struct ichxrom_window *window) } -static int __devinit ichxrom_init_one (struct pci_dev *pdev, - const struct pci_device_id *ent) +static int ichxrom_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) { static char *rom_probe_types[] = { "cfi_probe", "jedec_probe", NULL }; struct ichxrom_window *window = &ichxrom_window; @@ -174,12 +175,9 @@ static int __devinit ichxrom_init_one (struct pci_dev *pdev, window->rsrc.flags = IORESOURCE_MEM | IORESOURCE_BUSY; if (request_resource(&iomem_resource, &window->rsrc)) { window->rsrc.parent = NULL; - printk(KERN_DEBUG MOD_NAME - ": %s(): Unable to register resource" - " 0x%.16llx-0x%.16llx - kernel bug?\n", - __func__, - (unsigned long long)window->rsrc.start, - (unsigned long long)window->rsrc.end); + printk(KERN_DEBUG MOD_NAME ": " + "%s(): Unable to register resource %pR - kernel bug?\n", + __func__, &window->rsrc); } /* Map the firmware hub into my address space. */ @@ -289,7 +287,7 @@ static int __devinit ichxrom_init_one (struct pci_dev *pdev, /* Now that the mtd devices is complete claim and export it */ map->mtd->owner = THIS_MODULE; - if (add_mtd_device(map->mtd)) { + if (mtd_device_register(map->mtd, NULL, 0)) { map_destroy(map->mtd); map->mtd = NULL; goto out; @@ -317,13 +315,13 @@ static int __devinit ichxrom_init_one (struct pci_dev *pdev, } -static void __devexit ichxrom_remove_one (struct pci_dev *pdev) +static void ichxrom_remove_one(struct pci_dev *pdev) { struct ichxrom_window *window = &ichxrom_window; ichxrom_cleanup(window); } -static struct pci_device_id ichxrom_pci_tbl[] __devinitdata = { +static struct pci_device_id ichxrom_pci_tbl[] = { { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0, PCI_ANY_ID, PCI_ANY_ID, }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0, diff --git a/drivers/mtd/maps/impa7.c b/drivers/mtd/maps/impa7.c index 998a27da97f..15bbda03be6 100644 --- a/drivers/mtd/maps/impa7.c +++ b/drivers/mtd/maps/impa7.c @@ -15,10 +15,7 @@ #include <asm/io.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> - -#ifdef CONFIG_MTD_PARTITIONS #include <linux/mtd/partitions.h> -#endif #define WINDOW_ADDR0 0x00000000 /* physical properties of flash */ #define WINDOW_SIZE0 0x00800000 @@ -27,14 +24,12 @@ #define NUM_FLASHBANKS 2 #define BUSWIDTH 4 -/* can be { "cfi_probe", "jedec_probe", "map_rom", NULL } */ -#define PROBETYPES { "jedec_probe", NULL } - #define MSG_PREFIX "impA7:" /* prefix for our printk()'s */ #define MTDID "impa7-%d" /* for mtdparts= partitioning */ static struct mtd_info *impa7_mtd[NUM_FLASHBANKS]; +static const char * const rom_probe_types[] = { "jedec_probe", NULL }; static struct map_info impa7_map[NUM_FLASHBANKS] = { { @@ -49,12 +44,10 @@ static struct map_info impa7_map[NUM_FLASHBANKS] = { }, }; -#ifdef CONFIG_MTD_PARTITIONS - /* * MTD partitioning stuff */ -static struct mtd_partition static_partitions[] = +static struct mtd_partition partitions[] = { { .name = "FileSystem", @@ -63,18 +56,9 @@ static struct mtd_partition static_partitions[] = }, }; -static int mtd_parts_nb[NUM_FLASHBANKS]; -static struct mtd_partition *mtd_parts[NUM_FLASHBANKS]; - -#endif - -static const char *probes[] = { "cmdlinepart", NULL }; - static int __init init_impa7(void) { - static const char *rom_probe_types[] = PROBETYPES; - const char **type; - const char *part_type = 0; + const char * const *type; int i; static struct { u_long addr; u_long size; } pt[NUM_FLASHBANKS] = { { WINDOW_ADDR0, WINDOW_SIZE0 }, @@ -95,7 +79,7 @@ static int __init init_impa7(void) } simple_map_init(&impa7_map[i]); - impa7_mtd[i] = 0; + impa7_mtd[i] = NULL; type = rom_probe_types; for(; !impa7_mtd[i] && *type; type++) { impa7_mtd[i] = do_map_probe(*type, &impa7_map[i]); @@ -104,31 +88,12 @@ static int __init init_impa7(void) if (impa7_mtd[i]) { impa7_mtd[i]->owner = THIS_MODULE; devicesfound++; -#ifdef CONFIG_MTD_PARTITIONS - mtd_parts_nb[i] = parse_mtd_partitions(impa7_mtd[i], - probes, - &mtd_parts[i], - 0); - if (mtd_parts_nb[i] > 0) { - part_type = "command line"; - } else { - mtd_parts[i] = static_partitions; - mtd_parts_nb[i] = ARRAY_SIZE(static_partitions); - part_type = "static"; - } - - printk(KERN_NOTICE MSG_PREFIX - "using %s partition definition\n", - part_type); - add_mtd_partitions(impa7_mtd[i], - mtd_parts[i], mtd_parts_nb[i]); -#else - add_mtd_device(impa7_mtd[i]); - -#endif + mtd_device_parse_register(impa7_mtd[i], NULL, NULL, + partitions, + ARRAY_SIZE(partitions)); + } else { + iounmap((void __iomem *)impa7_map[i].virt); } - else - iounmap((void *)impa7_map[i].virt); } return devicesfound == 0 ? -ENXIO : 0; } @@ -138,14 +103,10 @@ static void __exit cleanup_impa7(void) int i; for (i=0; i<NUM_FLASHBANKS; i++) { if (impa7_mtd[i]) { -#ifdef CONFIG_MTD_PARTITIONS - del_mtd_partitions(impa7_mtd[i]); -#else - del_mtd_device(impa7_mtd[i]); -#endif + mtd_device_unregister(impa7_mtd[i]); map_destroy(impa7_mtd[i]); - iounmap((void *)impa7_map[i].virt); - impa7_map[i].virt = 0; + iounmap((void __iomem *)impa7_map[i].virt); + impa7_map[i].virt = NULL; } } } diff --git a/drivers/mtd/maps/integrator-flash.c b/drivers/mtd/maps/integrator-flash.c deleted file mode 100644 index c9681a339a5..00000000000 --- a/drivers/mtd/maps/integrator-flash.c +++ /dev/null @@ -1,211 +0,0 @@ -/*====================================================================== - - drivers/mtd/maps/integrator-flash.c: ARM Integrator flash map driver - - Copyright (C) 2000 ARM Limited - Copyright (C) 2003 Deep Blue Solutions 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 - - This is access code for flashes using ARM's flash partitioning - standards. - -======================================================================*/ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/ioport.h> -#include <linux/platform_device.h> -#include <linux/init.h> -#include <linux/io.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -#include <asm/mach/flash.h> -#include <mach/hardware.h> -#include <asm/system.h> - -#ifdef CONFIG_ARCH_P720T -#define FLASH_BASE (0x04000000) -#define FLASH_SIZE (64*1024*1024) -#endif - -struct armflash_info { - struct flash_platform_data *plat; - struct resource *res; - struct mtd_partition *parts; - struct mtd_info *mtd; - struct map_info map; -}; - -static void armflash_set_vpp(struct map_info *map, int on) -{ - struct armflash_info *info = container_of(map, struct armflash_info, map); - - if (info->plat && info->plat->set_vpp) - info->plat->set_vpp(on); -} - -static const char *probes[] = { "cmdlinepart", "RedBoot", "afs", NULL }; - -static int armflash_probe(struct platform_device *dev) -{ - struct flash_platform_data *plat = dev->dev.platform_data; - struct resource *res = dev->resource; - unsigned int size = res->end - res->start + 1; - struct armflash_info *info; - int err; - void __iomem *base; - - info = kzalloc(sizeof(struct armflash_info), GFP_KERNEL); - if (!info) { - err = -ENOMEM; - goto out; - } - - info->plat = plat; - if (plat && plat->init) { - err = plat->init(); - if (err) - goto no_resource; - } - - info->res = request_mem_region(res->start, size, "armflash"); - if (!info->res) { - err = -EBUSY; - goto no_resource; - } - - base = ioremap(res->start, size); - if (!base) { - err = -ENOMEM; - goto no_mem; - } - - /* - * look for CFI based flash parts fitted to this board - */ - info->map.size = size; - info->map.bankwidth = plat->width; - info->map.phys = res->start; - info->map.virt = base; - info->map.name = dev_name(&dev->dev); - info->map.set_vpp = armflash_set_vpp; - - simple_map_init(&info->map); - - /* - * Also, the CFI layer automatically works out what size - * of chips we have, and does the necessary identification - * for us automatically. - */ - info->mtd = do_map_probe(plat->map_name, &info->map); - if (!info->mtd) { - err = -ENXIO; - goto no_device; - } - - info->mtd->owner = THIS_MODULE; - - err = parse_mtd_partitions(info->mtd, probes, &info->parts, 0); - if (err > 0) { - err = add_mtd_partitions(info->mtd, info->parts, err); - if (err) - printk(KERN_ERR - "mtd partition registration failed: %d\n", err); - } - - if (err == 0) - platform_set_drvdata(dev, info); - - /* - * If we got an error, free all resources. - */ - if (err < 0) { - if (info->mtd) { - del_mtd_partitions(info->mtd); - map_destroy(info->mtd); - } - kfree(info->parts); - - no_device: - iounmap(base); - no_mem: - release_mem_region(res->start, size); - no_resource: - if (plat && plat->exit) - plat->exit(); - kfree(info); - } - out: - return err; -} - -static int armflash_remove(struct platform_device *dev) -{ - struct armflash_info *info = platform_get_drvdata(dev); - - platform_set_drvdata(dev, NULL); - - if (info) { - if (info->mtd) { - del_mtd_partitions(info->mtd); - map_destroy(info->mtd); - } - kfree(info->parts); - - iounmap(info->map.virt); - release_resource(info->res); - kfree(info->res); - - if (info->plat && info->plat->exit) - info->plat->exit(); - - kfree(info); - } - - return 0; -} - -static struct platform_driver armflash_driver = { - .probe = armflash_probe, - .remove = armflash_remove, - .driver = { - .name = "armflash", - .owner = THIS_MODULE, - }, -}; - -static int __init armflash_init(void) -{ - return platform_driver_register(&armflash_driver); -} - -static void __exit armflash_exit(void) -{ - platform_driver_unregister(&armflash_driver); -} - -module_init(armflash_init); -module_exit(armflash_exit); - -MODULE_AUTHOR("ARM Ltd"); -MODULE_DESCRIPTION("ARM Integrator CFI map driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:armflash"); diff --git a/drivers/mtd/maps/intel_vr_nor.c b/drivers/mtd/maps/intel_vr_nor.c index 1e7814ae212..5ab71f0e1bc 100644 --- a/drivers/mtd/maps/intel_vr_nor.c +++ b/drivers/mtd/maps/intel_vr_nor.c @@ -29,8 +29,8 @@ #include <linux/module.h> #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/pci.h> -#include <linux/init.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> #include <linux/mtd/partitions.h> @@ -43,7 +43,6 @@ struct vr_nor_mtd { void __iomem *csr_base; struct map_info map; struct mtd_info *info; - int nr_parts; struct pci_dev *dev; }; @@ -63,47 +62,28 @@ struct vr_nor_mtd { #define TIMING_BYTE_EN (1 << 0) /* 8-bit vs 16-bit bus */ #define TIMING_MASK 0x3FFF0000 -static void __devexit vr_nor_destroy_partitions(struct vr_nor_mtd *p) +static void vr_nor_destroy_partitions(struct vr_nor_mtd *p) { - if (p->nr_parts > 0) { -#if defined(CONFIG_MTD_PARTITIONS) || defined(CONFIG_MTD_PARTITIONS_MODULE) - del_mtd_partitions(p->info); -#endif - } else - del_mtd_device(p->info); + mtd_device_unregister(p->info); } -static int __devinit vr_nor_init_partitions(struct vr_nor_mtd *p) +static int vr_nor_init_partitions(struct vr_nor_mtd *p) { - int err = 0; -#if defined(CONFIG_MTD_PARTITIONS) || defined(CONFIG_MTD_PARTITIONS_MODULE) - struct mtd_partition *parts; - static const char *part_probes[] = { "cmdlinepart", NULL }; -#endif - /* register the flash bank */ -#if defined(CONFIG_MTD_PARTITIONS) || defined(CONFIG_MTD_PARTITIONS_MODULE) /* partition the flash bank */ - p->nr_parts = parse_mtd_partitions(p->info, part_probes, &parts, 0); - if (p->nr_parts > 0) - err = add_mtd_partitions(p->info, parts, p->nr_parts); -#endif - if (p->nr_parts <= 0) - err = add_mtd_device(p->info); - - return err; + return mtd_device_parse_register(p->info, NULL, NULL, NULL, 0); } -static void __devexit vr_nor_destroy_mtd_setup(struct vr_nor_mtd *p) +static void vr_nor_destroy_mtd_setup(struct vr_nor_mtd *p) { map_destroy(p->info); } -static int __devinit vr_nor_mtd_setup(struct vr_nor_mtd *p) +static int vr_nor_mtd_setup(struct vr_nor_mtd *p) { - static const char *probe_types[] = + static const char * const probe_types[] = { "cfi_probe", "jedec_probe", NULL }; - const char **type; + const char * const *type; for (type = probe_types; !p->info && *type; type++) p->info = do_map_probe(*type, &p->map); @@ -115,7 +95,7 @@ static int __devinit vr_nor_mtd_setup(struct vr_nor_mtd *p) return 0; } -static void __devexit vr_nor_destroy_maps(struct vr_nor_mtd *p) +static void vr_nor_destroy_maps(struct vr_nor_mtd *p) { unsigned int exp_timing_cs0; @@ -135,7 +115,7 @@ static void __devexit vr_nor_destroy_maps(struct vr_nor_mtd *p) * Initialize the map_info structure and map the flash. * Returns 0 on success, nonzero otherwise. */ -static int __devinit vr_nor_init_maps(struct vr_nor_mtd *p) +static int vr_nor_init_maps(struct vr_nor_mtd *p) { unsigned long csr_phys, csr_len; unsigned long win_phys, win_len; @@ -195,11 +175,10 @@ static struct pci_device_id vr_nor_pci_ids[] = { {0,} }; -static void __devexit vr_nor_pci_remove(struct pci_dev *dev) +static void vr_nor_pci_remove(struct pci_dev *dev) { struct vr_nor_mtd *p = pci_get_drvdata(dev); - pci_set_drvdata(dev, NULL); vr_nor_destroy_partitions(p); vr_nor_destroy_mtd_setup(p); vr_nor_destroy_maps(p); @@ -208,8 +187,7 @@ static void __devexit vr_nor_pci_remove(struct pci_dev *dev) pci_disable_device(dev); } -static int __devinit -vr_nor_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) +static int vr_nor_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { struct vr_nor_mtd *p = NULL; unsigned int exp_timing_cs0; @@ -275,22 +253,11 @@ vr_nor_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) static struct pci_driver vr_nor_pci_driver = { .name = DRV_NAME, .probe = vr_nor_pci_probe, - .remove = __devexit_p(vr_nor_pci_remove), + .remove = vr_nor_pci_remove, .id_table = vr_nor_pci_ids, }; -static int __init vr_nor_mtd_init(void) -{ - return pci_register_driver(&vr_nor_pci_driver); -} - -static void __exit vr_nor_mtd_exit(void) -{ - pci_unregister_driver(&vr_nor_pci_driver); -} - -module_init(vr_nor_mtd_init); -module_exit(vr_nor_mtd_exit); +module_pci_driver(vr_nor_pci_driver); MODULE_AUTHOR("Andy Lowe"); MODULE_DESCRIPTION("MTD map driver for NOR flash on Intel Vermilion Range"); diff --git a/drivers/mtd/maps/ipaq-flash.c b/drivers/mtd/maps/ipaq-flash.c deleted file mode 100644 index 748c85f635f..00000000000 --- a/drivers/mtd/maps/ipaq-flash.c +++ /dev/null @@ -1,460 +0,0 @@ -/* - * Flash memory access on iPAQ Handhelds (either SA1100 or PXA250 based) - * - * (C) 2000 Nicolas Pitre <nico@cam.org> - * (C) 2002 Hewlett-Packard Company <jamey.hicks@hp.com> - * (C) 2003 Christian Pellegrin <chri@ascensit.com>, <chri@infis.univ.ts.it>: concatenation of multiple flashes - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/spinlock.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <asm/page.h> -#include <asm/mach-types.h> -#include <asm/system.h> -#include <asm/errno.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> -#ifdef CONFIG_MTD_CONCAT -#include <linux/mtd/concat.h> -#endif - -#include <mach/hardware.h> -#include <mach/h3600.h> -#include <asm/io.h> - - -#ifndef CONFIG_IPAQ_HANDHELD -#error This is for iPAQ Handhelds only -#endif -#ifdef CONFIG_SA1100_JORNADA56X - -static void jornada56x_set_vpp(struct map_info *map, int vpp) -{ - if (vpp) - GPSR = GPIO_GPIO26; - else - GPCR = GPIO_GPIO26; - GPDR |= GPIO_GPIO26; -} - -#endif - -#ifdef CONFIG_SA1100_JORNADA720 - -static void jornada720_set_vpp(struct map_info *map, int vpp) -{ - if (vpp) - PPSR |= 0x80; - else - PPSR &= ~0x80; - PPDR |= 0x80; -} - -#endif - -#define MAX_IPAQ_CS 2 /* Number of CS we are going to test */ - -#define IPAQ_MAP_INIT(X) \ - { \ - name: "IPAQ flash " X, \ - } - - -static struct map_info ipaq_map[MAX_IPAQ_CS] = { - IPAQ_MAP_INIT("bank 1"), - IPAQ_MAP_INIT("bank 2") -}; - -static struct mtd_info *my_sub_mtd[MAX_IPAQ_CS] = { - NULL, - NULL -}; - -/* - * Here are partition information for all known IPAQ-based devices. - * See include/linux/mtd/partitions.h for definition of the mtd_partition - * structure. - * - * The *_max_flash_size is the maximum possible mapped flash size which - * is not necessarily the actual flash size. It must be no more than - * the value specified in the "struct map_desc *_io_desc" mapping - * definition for the corresponding machine. - * - * Please keep these in alphabetical order, and formatted as per existing - * entries. Thanks. - */ - -#ifdef CONFIG_IPAQ_HANDHELD -static unsigned long h3xxx_max_flash_size = 0x04000000; -static struct mtd_partition h3xxx_partitions[] = { - { - name: "H3XXX boot firmware", -#ifndef CONFIG_LAB - size: 0x00040000, -#else - size: 0x00080000, -#endif - offset: 0, -#ifndef CONFIG_LAB - mask_flags: MTD_WRITEABLE, /* force read-only */ -#endif - }, - { - name: "H3XXX root jffs2", -#ifndef CONFIG_LAB - size: 0x2000000 - 2*0x40000, /* Warning, this is fixed later */ - offset: 0x00040000, -#else - size: 0x2000000 - 0x40000 - 0x80000, /* Warning, this is fixed later */ - offset: 0x00080000, -#endif - }, - { - name: "asset", - size: 0x40000, - offset: 0x2000000 - 0x40000, /* Warning, this is fixed later */ - mask_flags: MTD_WRITEABLE, /* force read-only */ - } -}; - -#ifndef CONFIG_MTD_CONCAT -static struct mtd_partition h3xxx_partitions_bank2[] = { - /* this is used only on 2 CS machines when concat is not present */ - { - name: "second H3XXX root jffs2", - size: 0x1000000 - 0x40000, /* Warning, this is fixed later */ - offset: 0x00000000, - }, - { - name: "second asset", - size: 0x40000, - offset: 0x1000000 - 0x40000, /* Warning, this is fixed later */ - mask_flags: MTD_WRITEABLE, /* force read-only */ - } -}; -#endif - -static DEFINE_SPINLOCK(ipaq_vpp_lock); - -static void h3xxx_set_vpp(struct map_info *map, int vpp) -{ - static int nest = 0; - - spin_lock(&ipaq_vpp_lock); - if (vpp) - nest++; - else - nest--; - if (nest) - assign_h3600_egpio(IPAQ_EGPIO_VPP_ON, 1); - else - assign_h3600_egpio(IPAQ_EGPIO_VPP_ON, 0); - spin_unlock(&ipaq_vpp_lock); -} - -#endif - -#if defined(CONFIG_SA1100_JORNADA56X) || defined(CONFIG_SA1100_JORNADA720) -static unsigned long jornada_max_flash_size = 0x02000000; -static struct mtd_partition jornada_partitions[] = { - { - name: "Jornada boot firmware", - size: 0x00040000, - offset: 0, - mask_flags: MTD_WRITEABLE, /* force read-only */ - }, { - name: "Jornada root jffs2", - size: MTDPART_SIZ_FULL, - offset: 0x00040000, - } -}; -#endif - - -static struct mtd_partition *parsed_parts; -static struct mtd_info *mymtd; - -static unsigned long cs_phys[] = { -#ifdef CONFIG_ARCH_SA1100 - SA1100_CS0_PHYS, - SA1100_CS1_PHYS, - SA1100_CS2_PHYS, - SA1100_CS3_PHYS, - SA1100_CS4_PHYS, - SA1100_CS5_PHYS, -#else - PXA_CS0_PHYS, - PXA_CS1_PHYS, - PXA_CS2_PHYS, - PXA_CS3_PHYS, - PXA_CS4_PHYS, - PXA_CS5_PHYS, -#endif -}; - -static const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL }; - -static int __init h1900_special_case(void); - -static int __init ipaq_mtd_init(void) -{ - struct mtd_partition *parts = NULL; - int nb_parts = 0; - int parsed_nr_parts = 0; - const char *part_type; - int i; /* used when we have >1 flash chips */ - unsigned long tot_flashsize = 0; /* used when we have >1 flash chips */ - - /* Default flash bankwidth */ - // ipaq_map.bankwidth = (MSC0 & MSC_RBW) ? 2 : 4; - - if (machine_is_h1900()) - { - /* For our intents, the h1900 is not a real iPAQ, so we special-case it. */ - return h1900_special_case(); - } - - if (machine_is_h3100() || machine_is_h1900()) - for(i=0; i<MAX_IPAQ_CS; i++) - ipaq_map[i].bankwidth = 2; - else - for(i=0; i<MAX_IPAQ_CS; i++) - ipaq_map[i].bankwidth = 4; - - /* - * Static partition definition selection - */ - part_type = "static"; - - simple_map_init(&ipaq_map[0]); - simple_map_init(&ipaq_map[1]); - -#ifdef CONFIG_IPAQ_HANDHELD - if (machine_is_ipaq()) { - parts = h3xxx_partitions; - nb_parts = ARRAY_SIZE(h3xxx_partitions); - for(i=0; i<MAX_IPAQ_CS; i++) { - ipaq_map[i].size = h3xxx_max_flash_size; - ipaq_map[i].set_vpp = h3xxx_set_vpp; - ipaq_map[i].phys = cs_phys[i]; - ipaq_map[i].virt = ioremap(cs_phys[i], 0x04000000); - if (machine_is_h3100 () || machine_is_h1900()) - ipaq_map[i].bankwidth = 2; - } - if (machine_is_h3600()) { - /* No asset partition here */ - h3xxx_partitions[1].size += 0x40000; - nb_parts--; - } - } -#endif -#ifdef CONFIG_ARCH_H5400 - if (machine_is_h5400()) { - ipaq_map[0].size = 0x02000000; - ipaq_map[1].size = 0x02000000; - ipaq_map[1].phys = 0x02000000; - ipaq_map[1].virt = ipaq_map[0].virt + 0x02000000; - } -#endif -#ifdef CONFIG_ARCH_H1900 - if (machine_is_h1900()) { - ipaq_map[0].size = 0x00400000; - ipaq_map[1].size = 0x02000000; - ipaq_map[1].phys = 0x00080000; - ipaq_map[1].virt = ipaq_map[0].virt + 0x00080000; - } -#endif - -#ifdef CONFIG_SA1100_JORNADA56X - if (machine_is_jornada56x()) { - parts = jornada_partitions; - nb_parts = ARRAY_SIZE(jornada_partitions); - ipaq_map[0].size = jornada_max_flash_size; - ipaq_map[0].set_vpp = jornada56x_set_vpp; - ipaq_map[0].virt = (__u32)ioremap(0x0, 0x04000000); - } -#endif -#ifdef CONFIG_SA1100_JORNADA720 - if (machine_is_jornada720()) { - parts = jornada_partitions; - nb_parts = ARRAY_SIZE(jornada_partitions); - ipaq_map[0].size = jornada_max_flash_size; - ipaq_map[0].set_vpp = jornada720_set_vpp; - } -#endif - - - if (machine_is_ipaq()) { /* for iPAQs only */ - for(i=0; i<MAX_IPAQ_CS; i++) { - printk(KERN_NOTICE "iPAQ flash: probing %d-bit flash bus, window=%lx with CFI.\n", ipaq_map[i].bankwidth*8, ipaq_map[i].virt); - my_sub_mtd[i] = do_map_probe("cfi_probe", &ipaq_map[i]); - if (!my_sub_mtd[i]) { - printk(KERN_NOTICE "iPAQ flash: probing %d-bit flash bus, window=%lx with JEDEC.\n", ipaq_map[i].bankwidth*8, ipaq_map[i].virt); - my_sub_mtd[i] = do_map_probe("jedec_probe", &ipaq_map[i]); - } - if (!my_sub_mtd[i]) { - printk(KERN_NOTICE "iPAQ flash: failed to find flash.\n"); - if (i) - break; - else - return -ENXIO; - } else - printk(KERN_NOTICE "iPAQ flash: found %d bytes\n", my_sub_mtd[i]->size); - - /* do we really need this debugging? --joshua 20030703 */ - // printk("my_sub_mtd[%d]=%p\n", i, my_sub_mtd[i]); - my_sub_mtd[i]->owner = THIS_MODULE; - tot_flashsize += my_sub_mtd[i]->size; - } -#ifdef CONFIG_MTD_CONCAT - /* fix the asset location */ -# ifdef CONFIG_LAB - h3xxx_partitions[1].size = tot_flashsize - 0x40000 - 0x80000 /* extra big boot block */; -# else - h3xxx_partitions[1].size = tot_flashsize - 2 * 0x40000; -# endif - h3xxx_partitions[2].offset = tot_flashsize - 0x40000; - /* and concat the devices */ - mymtd = mtd_concat_create(&my_sub_mtd[0], i, - "ipaq"); - if (!mymtd) { - printk("Cannot create iPAQ concat device\n"); - return -ENXIO; - } -#else - mymtd = my_sub_mtd[0]; - - /* - *In the very near future, command line partition parsing - * will use the device name as 'mtd-id' instead of a value - * passed to the parse_cmdline_partitions() routine. Since - * the bootldr says 'ipaq', make sure it continues to work. - */ - mymtd->name = "ipaq"; - - if ((machine_is_h3600())) { -# ifdef CONFIG_LAB - h3xxx_partitions[1].size = my_sub_mtd[0]->size - 0x80000; -# else - h3xxx_partitions[1].size = my_sub_mtd[0]->size - 0x40000; -# endif - nb_parts = 2; - } else { -# ifdef CONFIG_LAB - h3xxx_partitions[1].size = my_sub_mtd[0]->size - 0x40000 - 0x80000; /* extra big boot block */ -# else - h3xxx_partitions[1].size = my_sub_mtd[0]->size - 2*0x40000; -# endif - h3xxx_partitions[2].offset = my_sub_mtd[0]->size - 0x40000; - } - - if (my_sub_mtd[1]) { -# ifdef CONFIG_LAB - h3xxx_partitions_bank2[0].size = my_sub_mtd[1]->size - 0x80000; -# else - h3xxx_partitions_bank2[0].size = my_sub_mtd[1]->size - 0x40000; -# endif - h3xxx_partitions_bank2[1].offset = my_sub_mtd[1]->size - 0x40000; - } -#endif - } - else { - /* - * Now let's probe for the actual flash. Do it here since - * specific machine settings might have been set above. - */ - printk(KERN_NOTICE "IPAQ flash: probing %d-bit flash bus, window=%lx\n", ipaq_map[0].bankwidth*8, ipaq_map[0].virt); - mymtd = do_map_probe("cfi_probe", &ipaq_map[0]); - if (!mymtd) - return -ENXIO; - mymtd->owner = THIS_MODULE; - } - - - /* - * Dynamic partition selection stuff (might override the static ones) - */ - - i = parse_mtd_partitions(mymtd, part_probes, &parsed_parts, 0); - - if (i > 0) { - nb_parts = parsed_nr_parts = i; - parts = parsed_parts; - part_type = "dynamic"; - } - - if (!parts) { - printk(KERN_NOTICE "IPAQ flash: no partition info available, registering whole flash at once\n"); - add_mtd_device(mymtd); -#ifndef CONFIG_MTD_CONCAT - if (my_sub_mtd[1]) - add_mtd_device(my_sub_mtd[1]); -#endif - } else { - printk(KERN_NOTICE "Using %s partition definition\n", part_type); - add_mtd_partitions(mymtd, parts, nb_parts); -#ifndef CONFIG_MTD_CONCAT - if (my_sub_mtd[1]) - add_mtd_partitions(my_sub_mtd[1], h3xxx_partitions_bank2, ARRAY_SIZE(h3xxx_partitions_bank2)); -#endif - } - - return 0; -} - -static void __exit ipaq_mtd_cleanup(void) -{ - int i; - - if (mymtd) { - del_mtd_partitions(mymtd); -#ifndef CONFIG_MTD_CONCAT - if (my_sub_mtd[1]) - del_mtd_partitions(my_sub_mtd[1]); -#endif - map_destroy(mymtd); -#ifdef CONFIG_MTD_CONCAT - for(i=0; i<MAX_IPAQ_CS; i++) -#else - for(i=1; i<MAX_IPAQ_CS; i++) -#endif - { - if (my_sub_mtd[i]) - map_destroy(my_sub_mtd[i]); - } - kfree(parsed_parts); - } -} - -static int __init h1900_special_case(void) -{ - /* The iPAQ h1900 is a special case - it has weird ROM. */ - simple_map_init(&ipaq_map[0]); - ipaq_map[0].size = 0x80000; - ipaq_map[0].set_vpp = h3xxx_set_vpp; - ipaq_map[0].phys = 0x0; - ipaq_map[0].virt = ioremap(0x0, 0x04000000); - ipaq_map[0].bankwidth = 2; - - printk(KERN_NOTICE "iPAQ flash: probing %d-bit flash bus, window=%lx with JEDEC.\n", ipaq_map[0].bankwidth*8, ipaq_map[0].virt); - mymtd = do_map_probe("jedec_probe", &ipaq_map[0]); - if (!mymtd) - return -ENODEV; - add_mtd_device(mymtd); - printk(KERN_NOTICE "iPAQ flash: registered h1910 flash\n"); - - return 0; -} - -module_init(ipaq_mtd_init); -module_exit(ipaq_mtd_cleanup); - -MODULE_AUTHOR("Jamey Hicks"); -MODULE_DESCRIPTION("IPAQ CFI map driver"); -MODULE_LICENSE("MIT"); diff --git a/drivers/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c deleted file mode 100644 index d4fb9a3ab4d..00000000000 --- a/drivers/mtd/maps/ixp2000.c +++ /dev/null @@ -1,272 +0,0 @@ -/* - * drivers/mtd/maps/ixp2000.c - * - * Mapping for the Intel XScale IXP2000 based systems - * - * Copyright (C) 2002 Intel Corp. - * Copyright (C) 2003-2004 MontaVista Software, Inc. - * - * Original Author: Naeem M Afzal <naeem.m.afzal@intel.com> - * Maintainer: Deepak Saxena <dsaxena@plexity.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/slab.h> -#include <linux/ioport.h> -#include <linux/device.h> -#include <linux/platform_device.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -#include <asm/io.h> -#include <mach/hardware.h> -#include <asm/mach/flash.h> - -#include <linux/reboot.h> - -struct ixp2000_flash_info { - struct mtd_info *mtd; - struct map_info map; - struct mtd_partition *partitions; - struct resource *res; -}; - -static inline unsigned long flash_bank_setup(struct map_info *map, unsigned long ofs) -{ - unsigned long (*set_bank)(unsigned long) = - (unsigned long(*)(unsigned long))map->map_priv_2; - - return (set_bank ? set_bank(ofs) : ofs); -} - -#ifdef __ARMEB__ -/* - * Rev A0 and A1 of IXP2400 silicon have a broken addressing unit which - * causes the lower address bits to be XORed with 0x11 on 8 bit accesses - * and XORed with 0x10 on 16 bit accesses. See the spec update, erratum 44. - */ -static int erratum44_workaround = 0; - -static inline unsigned long address_fix8_write(unsigned long addr) -{ - if (erratum44_workaround) { - return (addr ^ 3); - } - return addr; -} -#else - -#define address_fix8_write(x) (x) -#endif - -static map_word ixp2000_flash_read8(struct map_info *map, unsigned long ofs) -{ - map_word val; - - val.x[0] = *((u8 *)(map->map_priv_1 + flash_bank_setup(map, ofs))); - return val; -} - -/* - * We can't use the standard memcpy due to the broken SlowPort - * address translation on rev A0 and A1 silicon and the fact that - * we have banked flash. - */ -static void ixp2000_flash_copy_from(struct map_info *map, void *to, - unsigned long from, ssize_t len) -{ - from = flash_bank_setup(map, from); - while(len--) - *(__u8 *) to++ = *(__u8 *)(map->map_priv_1 + from++); -} - -static void ixp2000_flash_write8(struct map_info *map, map_word d, unsigned long ofs) -{ - *(__u8 *) (address_fix8_write(map->map_priv_1 + - flash_bank_setup(map, ofs))) = d.x[0]; -} - -static void ixp2000_flash_copy_to(struct map_info *map, unsigned long to, - const void *from, ssize_t len) -{ - to = flash_bank_setup(map, to); - while(len--) { - unsigned long tmp = address_fix8_write(map->map_priv_1 + to++); - *(__u8 *)(tmp) = *(__u8 *)(from++); - } -} - - -static int ixp2000_flash_remove(struct platform_device *dev) -{ - struct flash_platform_data *plat = dev->dev.platform_data; - struct ixp2000_flash_info *info = platform_get_drvdata(dev); - - platform_set_drvdata(dev, NULL); - - if(!info) - return 0; - - if (info->mtd) { - del_mtd_partitions(info->mtd); - map_destroy(info->mtd); - } - if (info->map.map_priv_1) - iounmap((void *) info->map.map_priv_1); - - kfree(info->partitions); - - if (info->res) { - release_resource(info->res); - kfree(info->res); - } - - if (plat->exit) - plat->exit(); - - return 0; -} - - -static int ixp2000_flash_probe(struct platform_device *dev) -{ - static const char *probes[] = { "RedBoot", "cmdlinepart", NULL }; - struct ixp2000_flash_data *ixp_data = dev->dev.platform_data; - struct flash_platform_data *plat; - struct ixp2000_flash_info *info; - unsigned long window_size; - int err = -1; - - if (!ixp_data) - return -ENODEV; - - plat = ixp_data->platform_data; - if (!plat) - return -ENODEV; - - window_size = dev->resource->end - dev->resource->start + 1; - dev_info(&dev->dev, "Probe of IXP2000 flash(%d banks x %dMiB)\n", - ixp_data->nr_banks, ((u32)window_size >> 20)); - - if (plat->width != 1) { - dev_err(&dev->dev, "IXP2000 MTD map only supports 8-bit mode, asking for %d\n", - plat->width * 8); - return -EIO; - } - - info = kmalloc(sizeof(struct ixp2000_flash_info), GFP_KERNEL); - if(!info) { - err = -ENOMEM; - goto Error; - } - memset(info, 0, sizeof(struct ixp2000_flash_info)); - - platform_set_drvdata(dev, info); - - /* - * Tell the MTD layer we're not 1:1 mapped so that it does - * not attempt to do a direct access on us. - */ - info->map.phys = NO_XIP; - - info->map.size = ixp_data->nr_banks * window_size; - info->map.bankwidth = 1; - - /* - * map_priv_2 is used to store a ptr to to the bank_setup routine - */ - info->map.map_priv_2 = (unsigned long) ixp_data->bank_setup; - - info->map.name = dev_name(&dev->dev); - info->map.read = ixp2000_flash_read8; - info->map.write = ixp2000_flash_write8; - info->map.copy_from = ixp2000_flash_copy_from; - info->map.copy_to = ixp2000_flash_copy_to; - - info->res = request_mem_region(dev->resource->start, - dev->resource->end - dev->resource->start + 1, - dev_name(&dev->dev)); - if (!info->res) { - dev_err(&dev->dev, "Could not reserve memory region\n"); - err = -ENOMEM; - goto Error; - } - - info->map.map_priv_1 = (unsigned long) ioremap(dev->resource->start, - dev->resource->end - dev->resource->start + 1); - if (!info->map.map_priv_1) { - dev_err(&dev->dev, "Failed to ioremap flash region\n"); - err = -EIO; - goto Error; - } - -#if defined(__ARMEB__) - /* - * Enable erratum 44 workaround for NPUs with broken slowport - */ - - erratum44_workaround = ixp2000_has_broken_slowport(); - dev_info(&dev->dev, "Erratum 44 workaround %s\n", - erratum44_workaround ? "enabled" : "disabled"); -#endif - - info->mtd = do_map_probe(plat->map_name, &info->map); - if (!info->mtd) { - dev_err(&dev->dev, "map_probe failed\n"); - err = -ENXIO; - goto Error; - } - info->mtd->owner = THIS_MODULE; - - err = parse_mtd_partitions(info->mtd, probes, &info->partitions, 0); - if (err > 0) { - err = add_mtd_partitions(info->mtd, info->partitions, err); - if(err) - dev_err(&dev->dev, "Could not parse partitions\n"); - } - - if (err) - goto Error; - - return 0; - -Error: - ixp2000_flash_remove(dev); - return err; -} - -static struct platform_driver ixp2000_flash_driver = { - .probe = ixp2000_flash_probe, - .remove = ixp2000_flash_remove, - .driver = { - .name = "IXP2000-Flash", - .owner = THIS_MODULE, - }, -}; - -static int __init ixp2000_flash_init(void) -{ - return platform_driver_register(&ixp2000_flash_driver); -} - -static void __exit ixp2000_flash_exit(void) -{ - platform_driver_unregister(&ixp2000_flash_driver); -} - -module_init(ixp2000_flash_init); -module_exit(ixp2000_flash_exit); -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Deepak Saxena <dsaxena@plexity.net>"); -MODULE_ALIAS("platform:IXP2000-Flash"); diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c index 7214b876feb..6a589f1e288 100644 --- a/drivers/mtd/maps/ixp4xx.c +++ b/drivers/mtd/maps/ixp4xx.c @@ -13,9 +13,9 @@ * */ +#include <linux/err.h> #include <linux/module.h> #include <linux/types.h> -#include <linux/init.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/slab.h> @@ -107,8 +107,8 @@ static void ixp4xx_copy_from(struct map_info *map, void *to, return; if (from & 1) { - *dest++ = BYTE1(flash_read16(src)); - src++; + *dest++ = BYTE1(flash_read16(src-1)); + src++; --len; } @@ -118,7 +118,7 @@ static void ixp4xx_copy_from(struct map_info *map, void *to, *dest++ = BYTE1(data); src += 2; len -= 2; - } + } if (len > 0) *dest++ = BYTE0(flash_read16(src)); @@ -145,35 +145,23 @@ static void ixp4xx_write16(struct map_info *map, map_word d, unsigned long adr) struct ixp4xx_flash_info { struct mtd_info *mtd; struct map_info map; - struct mtd_partition *partitions; struct resource *res; }; -static const char *probes[] = { "RedBoot", "cmdlinepart", NULL }; +static const char * const probes[] = { "RedBoot", "cmdlinepart", NULL }; static int ixp4xx_flash_remove(struct platform_device *dev) { - struct flash_platform_data *plat = dev->dev.platform_data; + struct flash_platform_data *plat = dev_get_platdata(&dev->dev); struct ixp4xx_flash_info *info = platform_get_drvdata(dev); - platform_set_drvdata(dev, NULL); - if(!info) return 0; if (info->mtd) { - del_mtd_partitions(info->mtd); + mtd_device_unregister(info->mtd); map_destroy(info->mtd); } - if (info->map.virt) - iounmap(info->map.virt); - - kfree(info->partitions); - - if (info->res) { - release_resource(info->res); - kfree(info->res); - } if (plat->exit) plat->exit(); @@ -183,8 +171,11 @@ static int ixp4xx_flash_remove(struct platform_device *dev) static int ixp4xx_flash_probe(struct platform_device *dev) { - struct flash_platform_data *plat = dev->dev.platform_data; + struct flash_platform_data *plat = dev_get_platdata(&dev->dev); struct ixp4xx_flash_info *info; + struct mtd_part_parser_data ppdata = { + .origin = dev->resource->start, + }; int err = -1; if (!plat) @@ -196,12 +187,12 @@ static int ixp4xx_flash_probe(struct platform_device *dev) return err; } - info = kmalloc(sizeof(struct ixp4xx_flash_info), GFP_KERNEL); + info = devm_kzalloc(&dev->dev, sizeof(struct ixp4xx_flash_info), + GFP_KERNEL); if(!info) { err = -ENOMEM; goto Error; } - memset(info, 0, sizeof(struct ixp4xx_flash_info)); platform_set_drvdata(dev, info); @@ -210,7 +201,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev) * not attempt to do a direct access on us. */ info->map.phys = NO_XIP; - info->map.size = dev->resource->end - dev->resource->start + 1; + info->map.size = resource_size(dev->resource); /* * We only support 16-bit accesses for now. If and when @@ -219,24 +210,13 @@ static int ixp4xx_flash_probe(struct platform_device *dev) */ info->map.bankwidth = 2; info->map.name = dev_name(&dev->dev); - info->map.read = ixp4xx_read16, - info->map.write = ixp4xx_probe_write16, - info->map.copy_from = ixp4xx_copy_from, - - info->res = request_mem_region(dev->resource->start, - dev->resource->end - dev->resource->start + 1, - "IXP4XXFlash"); - if (!info->res) { - printk(KERN_ERR "IXP4XXFlash: Could not reserve memory region\n"); - err = -ENOMEM; - goto Error; - } + info->map.read = ixp4xx_read16; + info->map.write = ixp4xx_probe_write16; + info->map.copy_from = ixp4xx_copy_from; - info->map.virt = ioremap(dev->resource->start, - dev->resource->end - dev->resource->start + 1); - if (!info->map.virt) { - printk(KERN_ERR "IXP4XXFlash: Failed to ioremap region\n"); - err = -EIO; + info->map.virt = devm_ioremap_resource(&dev->dev, dev->resource); + if (IS_ERR(info->map.virt)) { + err = PTR_ERR(info->map.virt); goto Error; } @@ -249,17 +229,14 @@ static int ixp4xx_flash_probe(struct platform_device *dev) info->mtd->owner = THIS_MODULE; /* Use the fast version */ - info->map.write = ixp4xx_write16, - - err = parse_mtd_partitions(info->mtd, probes, &info->partitions, dev->resource->start); - if (err > 0) { - err = add_mtd_partitions(info->mtd, info->partitions, err); - if(err) - printk(KERN_ERR "Could not parse partitions\n"); - } + info->map.write = ixp4xx_write16; - if (err) + err = mtd_device_parse_register(info->mtd, probes, &ppdata, + plat->parts, plat->nr_parts); + if (err) { + printk(KERN_ERR "Could not parse partitions\n"); goto Error; + } return 0; @@ -277,19 +254,7 @@ static struct platform_driver ixp4xx_flash_driver = { }, }; -static int __init ixp4xx_flash_init(void) -{ - return platform_driver_register(&ixp4xx_flash_driver); -} - -static void __exit ixp4xx_flash_exit(void) -{ - platform_driver_unregister(&ixp4xx_flash_driver); -} - - -module_init(ixp4xx_flash_init); -module_exit(ixp4xx_flash_exit); +module_platform_driver(ixp4xx_flash_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("MTD map driver for Intel IXP4xx systems"); diff --git a/drivers/mtd/maps/l440gx.c b/drivers/mtd/maps/l440gx.c index 9e054503c4c..74bd98ee635 100644 --- a/drivers/mtd/maps/l440gx.c +++ b/drivers/mtd/maps/l440gx.c @@ -27,17 +27,21 @@ static struct mtd_info *mymtd; /* Is this really the vpp port? */ +static DEFINE_SPINLOCK(l440gx_vpp_lock); +static int l440gx_vpp_refcnt; static void l440gx_set_vpp(struct map_info *map, int vpp) { - unsigned long l; + unsigned long flags; - l = inl(VPP_PORT); + spin_lock_irqsave(&l440gx_vpp_lock, flags); if (vpp) { - l |= 1; + if (++l440gx_vpp_refcnt == 1) /* first nested 'on' */ + outl(inl(VPP_PORT) | 1, VPP_PORT); } else { - l &= ~1; + if (--l440gx_vpp_refcnt == 0) /* last nested 'off' */ + outl(inl(VPP_PORT) & ~1, VPP_PORT); } - outl(l, VPP_PORT); + spin_unlock_irqrestore(&l440gx_vpp_lock, flags); } static struct map_info l440gx_map = { @@ -138,7 +142,7 @@ static int __init init_l440gx(void) if (mymtd) { mymtd->owner = THIS_MODULE; - add_mtd_device(mymtd); + mtd_device_register(mymtd, NULL, 0); return 0; } @@ -148,7 +152,7 @@ static int __init init_l440gx(void) static void __exit cleanup_l440gx(void) { - del_mtd_device(mymtd); + mtd_device_unregister(mymtd); map_destroy(mymtd); iounmap(l440gx_map.virt); diff --git a/drivers/mtd/maps/lantiq-flash.c b/drivers/mtd/maps/lantiq-flash.c new file mode 100644 index 00000000000..7aa682cd4d7 --- /dev/null +++ b/drivers/mtd/maps/lantiq-flash.c @@ -0,0 +1,217 @@ +/* + * 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. + * + * Copyright (C) 2004 Liu Peng Infineon IFAP DC COM CPE + * Copyright (C) 2010 John Crispin <blogic@openwrt.org> + */ + +#include <linux/err.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/slab.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/cfi.h> +#include <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <linux/of.h> + +#include <lantiq_soc.h> + +/* + * The NOR flash is connected to the same external bus unit (EBU) as PCI. + * To make PCI work we need to enable the endianness swapping for the address + * written to the EBU. This endianness swapping works for PCI correctly but + * fails for attached NOR devices. To workaround this we need to use a complex + * map. The workaround involves swapping all addresses whilst probing the chip. + * Once probing is complete we stop swapping the addresses but swizzle the + * unlock addresses to ensure that access to the NOR device works correctly. + */ + +enum { + LTQ_NOR_PROBING, + LTQ_NOR_NORMAL +}; + +struct ltq_mtd { + struct resource *res; + struct mtd_info *mtd; + struct map_info *map; +}; + +static const char ltq_map_name[] = "ltq_nor"; +static const char * const ltq_probe_types[] = { "cmdlinepart", "ofpart", NULL }; + +static map_word +ltq_read16(struct map_info *map, unsigned long adr) +{ + unsigned long flags; + map_word temp; + + if (map->map_priv_1 == LTQ_NOR_PROBING) + adr ^= 2; + spin_lock_irqsave(&ebu_lock, flags); + temp.x[0] = *(u16 *)(map->virt + adr); + spin_unlock_irqrestore(&ebu_lock, flags); + return temp; +} + +static void +ltq_write16(struct map_info *map, map_word d, unsigned long adr) +{ + unsigned long flags; + + if (map->map_priv_1 == LTQ_NOR_PROBING) + adr ^= 2; + spin_lock_irqsave(&ebu_lock, flags); + *(u16 *)(map->virt + adr) = d.x[0]; + spin_unlock_irqrestore(&ebu_lock, flags); +} + +/* + * The following 2 functions copy data between iomem and a cached memory + * section. As memcpy() makes use of pre-fetching we cannot use it here. + * The normal alternative of using memcpy_{to,from}io also makes use of + * memcpy() on MIPS so it is not applicable either. We are therefore stuck + * with having to use our own loop. + */ +static void +ltq_copy_from(struct map_info *map, void *to, + unsigned long from, ssize_t len) +{ + unsigned char *f = (unsigned char *)map->virt + from; + unsigned char *t = (unsigned char *)to; + unsigned long flags; + + spin_lock_irqsave(&ebu_lock, flags); + while (len--) + *t++ = *f++; + spin_unlock_irqrestore(&ebu_lock, flags); +} + +static void +ltq_copy_to(struct map_info *map, unsigned long to, + const void *from, ssize_t len) +{ + unsigned char *f = (unsigned char *)from; + unsigned char *t = (unsigned char *)map->virt + to; + unsigned long flags; + + spin_lock_irqsave(&ebu_lock, flags); + while (len--) + *t++ = *f++; + spin_unlock_irqrestore(&ebu_lock, flags); +} + +static int +ltq_mtd_probe(struct platform_device *pdev) +{ + struct mtd_part_parser_data ppdata; + struct ltq_mtd *ltq_mtd; + struct cfi_private *cfi; + int err; + + if (of_machine_is_compatible("lantiq,falcon") && + (ltq_boot_select() != BS_FLASH)) { + dev_err(&pdev->dev, "invalid bootstrap options\n"); + return -ENODEV; + } + + ltq_mtd = devm_kzalloc(&pdev->dev, sizeof(struct ltq_mtd), GFP_KERNEL); + if (!ltq_mtd) + return -ENOMEM; + + platform_set_drvdata(pdev, ltq_mtd); + + ltq_mtd->res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!ltq_mtd->res) { + dev_err(&pdev->dev, "failed to get memory resource\n"); + return -ENOENT; + } + + ltq_mtd->map = devm_kzalloc(&pdev->dev, sizeof(struct map_info), + GFP_KERNEL); + if (!ltq_mtd->map) + return -ENOMEM; + + ltq_mtd->map->phys = ltq_mtd->res->start; + ltq_mtd->map->size = resource_size(ltq_mtd->res); + ltq_mtd->map->virt = devm_ioremap_resource(&pdev->dev, ltq_mtd->res); + if (IS_ERR(ltq_mtd->map->virt)) + return PTR_ERR(ltq_mtd->map->virt); + + ltq_mtd->map->name = ltq_map_name; + ltq_mtd->map->bankwidth = 2; + ltq_mtd->map->read = ltq_read16; + ltq_mtd->map->write = ltq_write16; + ltq_mtd->map->copy_from = ltq_copy_from; + ltq_mtd->map->copy_to = ltq_copy_to; + + ltq_mtd->map->map_priv_1 = LTQ_NOR_PROBING; + ltq_mtd->mtd = do_map_probe("cfi_probe", ltq_mtd->map); + ltq_mtd->map->map_priv_1 = LTQ_NOR_NORMAL; + + if (!ltq_mtd->mtd) { + dev_err(&pdev->dev, "probing failed\n"); + return -ENXIO; + } + + ltq_mtd->mtd->owner = THIS_MODULE; + + cfi = ltq_mtd->map->fldrv_priv; + cfi->addr_unlock1 ^= 1; + cfi->addr_unlock2 ^= 1; + + ppdata.of_node = pdev->dev.of_node; + err = mtd_device_parse_register(ltq_mtd->mtd, ltq_probe_types, + &ppdata, NULL, 0); + if (err) { + dev_err(&pdev->dev, "failed to add partitions\n"); + goto err_destroy; + } + + return 0; + +err_destroy: + map_destroy(ltq_mtd->mtd); + return err; +} + +static int +ltq_mtd_remove(struct platform_device *pdev) +{ + struct ltq_mtd *ltq_mtd = platform_get_drvdata(pdev); + + if (ltq_mtd && ltq_mtd->mtd) { + mtd_device_unregister(ltq_mtd->mtd); + map_destroy(ltq_mtd->mtd); + } + return 0; +} + +static const struct of_device_id ltq_mtd_match[] = { + { .compatible = "lantiq,nor" }, + {}, +}; +MODULE_DEVICE_TABLE(of, ltq_mtd_match); + +static struct platform_driver ltq_mtd_driver = { + .probe = ltq_mtd_probe, + .remove = ltq_mtd_remove, + .driver = { + .name = "ltq-nor", + .owner = THIS_MODULE, + .of_match_table = ltq_mtd_match, + }, +}; + +module_platform_driver(ltq_mtd_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); +MODULE_DESCRIPTION("Lantiq SoC NOR"); diff --git a/drivers/mtd/maps/latch-addr-flash.c b/drivers/mtd/maps/latch-addr-flash.c new file mode 100644 index 00000000000..cadfbe05187 --- /dev/null +++ b/drivers/mtd/maps/latch-addr-flash.c @@ -0,0 +1,230 @@ +/* + * Interface for NOR flash driver whose high address lines are latched + * + * Copyright © 2000 Nicolas Pitre <nico@cam.org> + * Copyright © 2005-2008 Analog Devices Inc. + * Copyright © 2008 MontaVista Software, Inc. <source@mvista.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/mtd/partitions.h> +#include <linux/platform_device.h> +#include <linux/mtd/latch-addr-flash.h> +#include <linux/slab.h> + +#define DRIVER_NAME "latch-addr-flash" + +struct latch_addr_flash_info { + struct mtd_info *mtd; + struct map_info map; + struct resource *res; + + void (*set_window)(unsigned long offset, void *data); + void *data; + + /* cache; could be found out of res */ + unsigned long win_mask; + + spinlock_t lock; +}; + +static map_word lf_read(struct map_info *map, unsigned long ofs) +{ + struct latch_addr_flash_info *info; + map_word datum; + + info = (struct latch_addr_flash_info *)map->map_priv_1; + + spin_lock(&info->lock); + + info->set_window(ofs, info->data); + datum = inline_map_read(map, info->win_mask & ofs); + + spin_unlock(&info->lock); + + return datum; +} + +static void lf_write(struct map_info *map, map_word datum, unsigned long ofs) +{ + struct latch_addr_flash_info *info; + + info = (struct latch_addr_flash_info *)map->map_priv_1; + + spin_lock(&info->lock); + + info->set_window(ofs, info->data); + inline_map_write(map, datum, info->win_mask & ofs); + + spin_unlock(&info->lock); +} + +static void lf_copy_from(struct map_info *map, void *to, + unsigned long from, ssize_t len) +{ + struct latch_addr_flash_info *info = + (struct latch_addr_flash_info *) map->map_priv_1; + unsigned n; + + while (len > 0) { + n = info->win_mask + 1 - (from & info->win_mask); + if (n > len) + n = len; + + spin_lock(&info->lock); + + info->set_window(from, info->data); + memcpy_fromio(to, map->virt + (from & info->win_mask), n); + + spin_unlock(&info->lock); + + to += n; + from += n; + len -= n; + } +} + +static char *rom_probe_types[] = { "cfi_probe", NULL }; + +static int latch_addr_flash_remove(struct platform_device *dev) +{ + struct latch_addr_flash_info *info; + struct latch_addr_flash_data *latch_addr_data; + + info = platform_get_drvdata(dev); + if (info == NULL) + return 0; + + latch_addr_data = dev_get_platdata(&dev->dev); + + if (info->mtd != NULL) { + mtd_device_unregister(info->mtd); + map_destroy(info->mtd); + } + + if (info->map.virt != NULL) + iounmap(info->map.virt); + + if (info->res != NULL) + release_mem_region(info->res->start, resource_size(info->res)); + + kfree(info); + + if (latch_addr_data->done) + latch_addr_data->done(latch_addr_data->data); + + return 0; +} + +static int latch_addr_flash_probe(struct platform_device *dev) +{ + struct latch_addr_flash_data *latch_addr_data; + struct latch_addr_flash_info *info; + resource_size_t win_base = dev->resource->start; + resource_size_t win_size = resource_size(dev->resource); + char **probe_type; + int chipsel; + int err; + + latch_addr_data = dev_get_platdata(&dev->dev); + if (latch_addr_data == NULL) + return -ENODEV; + + pr_notice("latch-addr platform flash device: %#llx byte " + "window at %#.8llx\n", + (unsigned long long)win_size, (unsigned long long)win_base); + + chipsel = dev->id; + + if (latch_addr_data->init) { + err = latch_addr_data->init(latch_addr_data->data, chipsel); + if (err != 0) + return err; + } + + info = kzalloc(sizeof(struct latch_addr_flash_info), GFP_KERNEL); + if (info == NULL) { + err = -ENOMEM; + goto done; + } + + platform_set_drvdata(dev, info); + + info->res = request_mem_region(win_base, win_size, DRIVER_NAME); + if (info->res == NULL) { + dev_err(&dev->dev, "Could not reserve memory region\n"); + err = -EBUSY; + goto free_info; + } + + info->map.name = DRIVER_NAME; + info->map.size = latch_addr_data->size; + info->map.bankwidth = latch_addr_data->width; + + info->map.phys = NO_XIP; + info->map.virt = ioremap(win_base, win_size); + if (!info->map.virt) { + err = -ENOMEM; + goto free_res; + } + + info->map.map_priv_1 = (unsigned long)info; + + info->map.read = lf_read; + info->map.copy_from = lf_copy_from; + info->map.write = lf_write; + info->set_window = latch_addr_data->set_window; + info->data = latch_addr_data->data; + info->win_mask = win_size - 1; + + spin_lock_init(&info->lock); + + for (probe_type = rom_probe_types; !info->mtd && *probe_type; + probe_type++) + info->mtd = do_map_probe(*probe_type, &info->map); + + if (info->mtd == NULL) { + dev_err(&dev->dev, "map_probe failed\n"); + err = -ENODEV; + goto iounmap; + } + info->mtd->owner = THIS_MODULE; + + mtd_device_parse_register(info->mtd, NULL, NULL, + latch_addr_data->parts, + latch_addr_data->nr_parts); + return 0; + +iounmap: + iounmap(info->map.virt); +free_res: + release_mem_region(info->res->start, resource_size(info->res)); +free_info: + kfree(info); +done: + if (latch_addr_data->done) + latch_addr_data->done(latch_addr_data->data); + return err; +} + +static struct platform_driver latch_addr_flash_driver = { + .probe = latch_addr_flash_probe, + .remove = latch_addr_flash_remove, + .driver = { + .name = DRIVER_NAME, + }, +}; + +module_platform_driver(latch_addr_flash_driver); + +MODULE_AUTHOR("David Griego <dgriego@mvista.com>"); +MODULE_DESCRIPTION("MTD map driver for flashes addressed physically with upper " + "address lines being set board specifically"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mtd/maps/mbx860.c b/drivers/mtd/maps/mbx860.c deleted file mode 100644 index 0eb5a7c8538..00000000000 --- a/drivers/mtd/maps/mbx860.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Handle mapping of the flash on MBX860 boards - * - * Author: Anton Todorov - * Copyright: (C) 2001 Emness Technology - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <asm/io.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - - -#define WINDOW_ADDR 0xfe000000 -#define WINDOW_SIZE 0x00200000 - -/* Flash / Partition sizing */ -#define MAX_SIZE_KiB 8192 -#define BOOT_PARTITION_SIZE_KiB 512 -#define KERNEL_PARTITION_SIZE_KiB 5632 -#define APP_PARTITION_SIZE_KiB 2048 - -#define NUM_PARTITIONS 3 - -/* 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 = "MBX flash BOOT partition", - .offset = 0, - .size = BOOT_PARTITION_SIZE_KiB*1024 }, - { .name = "MBX flash DATA partition", - .offset = BOOT_PARTITION_SIZE_KiB*1024, - .size = (KERNEL_PARTITION_SIZE_KiB)*1024 }, - { .name = "MBX flash APPLICATION partition", - .offset = (BOOT_PARTITION_SIZE_KiB+KERNEL_PARTITION_SIZE_KiB)*1024 } -}; - - -static struct mtd_info *mymtd; - -struct map_info mbx_map = { - .name = "MBX flash", - .size = WINDOW_SIZE, - .phys = WINDOW_ADDR, - .bankwidth = 4, -}; - -static int __init init_mbx(void) -{ - printk(KERN_NOTICE "Motorola MBX flash device: 0x%x at 0x%x\n", WINDOW_SIZE*4, WINDOW_ADDR); - mbx_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE * 4); - - if (!mbx_map.virt) { - printk("Failed to ioremap\n"); - return -EIO; - } - simple_map_init(&mbx_map); - - mymtd = do_map_probe("jedec_probe", &mbx_map); - if (mymtd) { - mymtd->owner = THIS_MODULE; - add_mtd_device(mymtd); - add_mtd_partitions(mymtd, partition_info, NUM_PARTITIONS); - return 0; - } - - iounmap((void *)mbx_map.virt); - return -ENXIO; -} - -static void __exit cleanup_mbx(void) -{ - if (mymtd) { - del_mtd_device(mymtd); - map_destroy(mymtd); - } - if (mbx_map.virt) { - iounmap((void *)mbx_map.virt); - mbx_map.virt = 0; - } -} - -module_init(init_mbx); -module_exit(cleanup_mbx); - -MODULE_AUTHOR("Anton Todorov <a.todorov@emness.com>"); -MODULE_DESCRIPTION("MTD map driver for Motorola MBX860 board"); -MODULE_LICENSE("GPL"); diff --git a/drivers/mtd/maps/netsc520.c b/drivers/mtd/maps/netsc520.c index c0cb319b2b7..81dc2598bc0 100644 --- a/drivers/mtd/maps/netsc520.c +++ b/drivers/mtd/maps/netsc520.c @@ -116,14 +116,14 @@ static int __init init_netsc520(void) } mymtd->owner = THIS_MODULE; - add_mtd_partitions( mymtd, partition_info, NUM_PARTITIONS ); + mtd_device_register(mymtd, partition_info, NUM_PARTITIONS); return 0; } static void __exit cleanup_netsc520(void) { if (mymtd) { - del_mtd_partitions(mymtd); + mtd_device_unregister(mymtd); map_destroy(mymtd); } if (netsc520_map.virt) { diff --git a/drivers/mtd/maps/nettel.c b/drivers/mtd/maps/nettel.c index a97133eb9d7..eadcfffc4f9 100644 --- a/drivers/mtd/maps/nettel.c +++ b/drivers/mtd/maps/nettel.c @@ -383,13 +383,13 @@ static int __init nettel_init(void) /* No BIOS regions when AMD boot */ num_intel_partitions -= 2; } - rc = add_mtd_partitions(intel_mtd, nettel_intel_partitions, - num_intel_partitions); + rc = mtd_device_register(intel_mtd, nettel_intel_partitions, + num_intel_partitions); #endif if (amd_mtd) { - rc = add_mtd_partitions(amd_mtd, nettel_amd_partitions, - num_amd_partitions); + rc = mtd_device_register(amd_mtd, nettel_amd_partitions, + num_amd_partitions); } #ifdef CONFIG_MTD_CFI_INTELEXT @@ -419,7 +419,7 @@ static void __exit nettel_cleanup(void) unregister_reboot_notifier(&nettel_notifier_block); #endif if (amd_mtd) { - del_mtd_partitions(amd_mtd); + mtd_device_unregister(amd_mtd); map_destroy(amd_mtd); } if (nettel_mmcrp) { @@ -432,7 +432,7 @@ static void __exit nettel_cleanup(void) } #ifdef CONFIG_MTD_CFI_INTELEXT if (intel_mtd) { - del_mtd_partitions(intel_mtd); + mtd_device_unregister(intel_mtd); map_destroy(intel_mtd); } if (nettel_intel_map.virt) { diff --git a/drivers/mtd/maps/octagon-5066.c b/drivers/mtd/maps/octagon-5066.c deleted file mode 100644 index 2b2e4509321..00000000000 --- a/drivers/mtd/maps/octagon-5066.c +++ /dev/null @@ -1,247 +0,0 @@ -/* ###################################################################### - - Octagon 5066 MTD Driver. - - The Octagon 5066 is a SBC based on AMD's 586-WB running at 133 MHZ. It - comes with a builtin AMD 29F016 flash chip and a socketed EEPROM that - is replacable by flash. Both units are mapped through a multiplexer - into a 32k memory window at 0xe8000. The control register for the - multiplexing unit is located at IO 0x208 with a bit map of - 0-5 Page Selection in 32k increments - 6-7 Device selection: - 00 SSD off - 01 SSD 0 (Socket) - 10 SSD 1 (Flash chip) - 11 undefined - - On each SSD, the first 128k is reserved for use by the bios - (actually it IS the bios..) This only matters if you are booting off the - flash, you must not put a file system starting there. - - The driver tries to do a detection algorithm to guess what sort of devices - are plugged into the sockets. - - ##################################################################### */ - -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/ioport.h> -#include <linux/init.h> -#include <asm/io.h> - -#include <linux/mtd/map.h> -#include <linux/mtd/mtd.h> - -#define WINDOW_START 0xe8000 -#define WINDOW_LENGTH 0x8000 -#define WINDOW_SHIFT 27 -#define WINDOW_MASK 0x7FFF -#define PAGE_IO 0x208 - -static volatile char page_n_dev = 0; -static unsigned long iomapadr; -static DEFINE_SPINLOCK(oct5066_spin); - -/* - * We use map_priv_1 to identify which device we are. - */ - -static void __oct5066_page(struct map_info *map, __u8 byte) -{ - outb(byte,PAGE_IO); - page_n_dev = byte; -} - -static inline void oct5066_page(struct map_info *map, unsigned long ofs) -{ - __u8 byte = map->map_priv_1 | (ofs >> WINDOW_SHIFT); - - if (page_n_dev != byte) - __oct5066_page(map, byte); -} - - -static map_word oct5066_read8(struct map_info *map, unsigned long ofs) -{ - map_word ret; - spin_lock(&oct5066_spin); - oct5066_page(map, ofs); - ret.x[0] = readb(iomapadr + (ofs & WINDOW_MASK)); - spin_unlock(&oct5066_spin); - return ret; -} - -static void oct5066_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(&oct5066_spin); - oct5066_page(map, from); - memcpy_fromio(to, iomapadr + from, thislen); - spin_unlock(&oct5066_spin); - to += thislen; - from += thislen; - len -= thislen; - } -} - -static void oct5066_write8(struct map_info *map, map_word d, unsigned long adr) -{ - spin_lock(&oct5066_spin); - oct5066_page(map, adr); - writeb(d.x[0], iomapadr + (adr & WINDOW_MASK)); - spin_unlock(&oct5066_spin); -} - -static void oct5066_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(&oct5066_spin); - oct5066_page(map, to); - memcpy_toio(iomapadr + to, from, thislen); - spin_unlock(&oct5066_spin); - to += thislen; - from += thislen; - len -= thislen; - } -} - -static struct map_info oct5066_map[2] = { - { - .name = "Octagon 5066 Socket", - .phys = NO_XIP, - .size = 512 * 1024, - .bankwidth = 1, - .read = oct5066_read8, - .copy_from = oct5066_copy_from, - .write = oct5066_write8, - .copy_to = oct5066_copy_to, - .map_priv_1 = 1<<6 - }, - { - .name = "Octagon 5066 Internal Flash", - .phys = NO_XIP, - .size = 2 * 1024 * 1024, - .bankwidth = 1, - .read = oct5066_read8, - .copy_from = oct5066_copy_from, - .write = oct5066_write8, - .copy_to = oct5066_copy_to, - .map_priv_1 = 2<<6 - } -}; - -static struct mtd_info *oct5066_mtd[2] = {NULL, NULL}; - -// OctProbe - Sense if this is an octagon card -// --------------------------------------------------------------------- -/* Perform a simple validity test, we map the window select SSD0 and - change pages while monitoring the window. A change in the window, - controlled by the PAGE_IO port is a functioning 5066 board. This will - fail if the thing in the socket is set to a uniform value. */ -static int __init OctProbe(void) -{ - unsigned int Base = (1 << 6); - unsigned long I; - unsigned long Values[10]; - for (I = 0; I != 20; I++) - { - outb(Base + (I%10),PAGE_IO); - if (I < 10) - { - // Record the value and check for uniqueness - Values[I%10] = readl(iomapadr); - if (I > 0 && Values[I%10] == Values[0]) - return -EAGAIN; - } - else - { - // Make sure we get the same values on the second pass - if (Values[I%10] != readl(iomapadr)) - return -EAGAIN; - } - } - return 0; -} - -void cleanup_oct5066(void) -{ - int i; - for (i=0; i<2; i++) { - if (oct5066_mtd[i]) { - del_mtd_device(oct5066_mtd[i]); - map_destroy(oct5066_mtd[i]); - } - } - iounmap((void *)iomapadr); - release_region(PAGE_IO, 1); -} - -static int __init init_oct5066(void) -{ - int i; - int ret = 0; - - // Do an autoprobe sequence - if (!request_region(PAGE_IO,1,"Octagon SSD")) { - printk(KERN_NOTICE "5066: Page Register in Use\n"); - return -EAGAIN; - } - iomapadr = (unsigned long)ioremap(WINDOW_START, WINDOW_LENGTH); - if (!iomapadr) { - printk(KERN_NOTICE "Failed to ioremap memory region\n"); - ret = -EIO; - goto out_rel; - } - if (OctProbe() != 0) { - printk(KERN_NOTICE "5066: Octagon Probe Failed, is this an Octagon 5066 SBC?\n"); - iounmap((void *)iomapadr); - ret = -EAGAIN; - goto out_unmap; - } - - // Print out our little header.. - printk("Octagon 5066 SSD IO:0x%x MEM:0x%x-0x%x\n",PAGE_IO,WINDOW_START, - WINDOW_START+WINDOW_LENGTH); - - for (i=0; i<2; i++) { - oct5066_mtd[i] = do_map_probe("cfi_probe", &oct5066_map[i]); - if (!oct5066_mtd[i]) - oct5066_mtd[i] = do_map_probe("jedec", &oct5066_map[i]); - if (!oct5066_mtd[i]) - oct5066_mtd[i] = do_map_probe("map_ram", &oct5066_map[i]); - if (!oct5066_mtd[i]) - oct5066_mtd[i] = do_map_probe("map_rom", &oct5066_map[i]); - if (oct5066_mtd[i]) { - oct5066_mtd[i]->owner = THIS_MODULE; - add_mtd_device(oct5066_mtd[i]); - } - } - - if (!oct5066_mtd[0] && !oct5066_mtd[1]) { - cleanup_oct5066(); - return -ENXIO; - } - - return 0; - - out_unmap: - iounmap((void *)iomapadr); - out_rel: - release_region(PAGE_IO, 1); - return ret; -} - -module_init(init_oct5066); -module_exit(cleanup_oct5066); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Jason Gunthorpe <jgg@deltatee.com>, David Woodhouse <dwmw2@infradead.org>"); -MODULE_DESCRIPTION("MTD map driver for Octagon 5066 Single Board Computer"); diff --git a/drivers/mtd/maps/omap_nor.c b/drivers/mtd/maps/omap_nor.c deleted file mode 100644 index a24478102b1..00000000000 --- a/drivers/mtd/maps/omap_nor.c +++ /dev/null @@ -1,188 +0,0 @@ -/* - * 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 <jzhang@ti.com>, - * Tony Lindgren <tony@atomide.com> 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 <linux/platform_device.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/slab.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -#include <asm/io.h> -#include <mach/hardware.h> -#include <asm/mach/flash.h> -#include <mach/tc.h> - -#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; - u32 l; - - if (cpu_class_is_omap1()) { - if (enable) { - if (count++ == 0) { - l = omap_readl(EMIFS_CONFIG); - l |= OMAP_EMIFS_CONFIG_WP; - omap_writel(l, EMIFS_CONFIG); - } - } else { - if (count && (--count == 0)) { - l = omap_readl(EMIFS_CONFIG); - l &= ~OMAP_EMIFS_CONFIG_WP; - omap_writel(l, EMIFS_CONFIG); - } - } - } -} - -static int __init omapflash_probe(struct platform_device *pdev) -{ - int err; - struct omapflash_info *info; - struct flash_platform_data *pdata = pdev->dev.platform_data; - struct resource *res = pdev->resource; - unsigned long size = res->end - res->start + 1; - - info = kzalloc(sizeof(struct omapflash_info), GFP_KERNEL); - if (!info) - return -ENOMEM; - - 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 = dev_name(&pdev->dev); - 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; - - info->mtd->dev.parent = &pdev->dev; - -#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); - - platform_set_drvdata(pdev, 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 __exit omapflash_remove(struct platform_device *pdev) -{ - struct omapflash_info *info = platform_get_drvdata(pdev); - - platform_set_drvdata(pdev, 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 platform_driver omapflash_driver = { - .remove = __exit_p(omapflash_remove), - .driver = { - .name = "omapflash", - .owner = THIS_MODULE, - }, -}; - -static int __init omapflash_init(void) -{ - return platform_driver_probe(&omapflash_driver, omapflash_probe); -} - -static void __exit omapflash_exit(void) -{ - platform_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"); -MODULE_ALIAS("platform:omapflash"); diff --git a/drivers/mtd/maps/pci.c b/drivers/mtd/maps/pci.c index 48f4cf5cb9d..eb0242e0b2d 100644 --- a/drivers/mtd/maps/pci.c +++ b/drivers/mtd/maps/pci.c @@ -14,7 +14,6 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/pci.h> -#include <linux/init.h> #include <linux/slab.h> #include <linux/mtd/mtd.h> @@ -43,26 +42,14 @@ static map_word mtd_pci_read8(struct map_info *_map, unsigned long ofs) struct map_pci_info *map = (struct map_pci_info *)_map; map_word val; val.x[0]= readb(map->base + map->translate(map, ofs)); -// printk("read8 : %08lx => %02x\n", ofs, val.x[0]); return val; } -#if 0 -static map_word mtd_pci_read16(struct map_info *_map, unsigned long ofs) -{ - struct map_pci_info *map = (struct map_pci_info *)_map; - map_word val; - val.x[0] = readw(map->base + map->translate(map, ofs)); -// printk("read16: %08lx => %04x\n", ofs, val.x[0]); - return val; -} -#endif static map_word mtd_pci_read32(struct map_info *_map, unsigned long ofs) { struct map_pci_info *map = (struct map_pci_info *)_map; map_word val; val.x[0] = readl(map->base + map->translate(map, ofs)); -// printk("read32: %08lx => %08x\n", ofs, val.x[0]); return val; } @@ -75,22 +62,12 @@ static void mtd_pci_copyfrom(struct map_info *_map, void *to, unsigned long from static void mtd_pci_write8(struct map_info *_map, map_word val, unsigned long ofs) { struct map_pci_info *map = (struct map_pci_info *)_map; -// printk("write8 : %08lx <= %02x\n", ofs, val.x[0]); writeb(val.x[0], map->base + map->translate(map, ofs)); } -#if 0 -static void mtd_pci_write16(struct map_info *_map, map_word val, unsigned long ofs) -{ - struct map_pci_info *map = (struct map_pci_info *)_map; -// printk("write16: %08lx <= %04x\n", ofs, val.x[0]); - writew(val.x[0], map->base + map->translate(map, ofs)); -} -#endif static void mtd_pci_write32(struct map_info *_map, map_word val, unsigned long ofs) { struct map_pci_info *map = (struct map_pci_info *)_map; -// printk("write32: %08lx <= %08x\n", ofs, val.x[0]); writel(val.x[0], map->base + map->translate(map, ofs)); } @@ -275,8 +252,7 @@ static struct pci_device_id mtd_pci_ids[] = { * Generic code follows. */ -static int __devinit -mtd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) +static int mtd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { struct mtd_pci_info *info = (struct mtd_pci_info *)id->driver_data; struct map_pci_info *map = NULL; @@ -306,14 +282,13 @@ mtd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) if (err) goto release; - /* tsk - do_map_probe should take const char * */ - mtd = do_map_probe((char *)info->map_name, &map->map); + mtd = do_map_probe(info->map_name, &map->map); err = -ENODEV; if (!mtd) goto release; mtd->owner = THIS_MODULE; - add_mtd_device(mtd); + mtd_device_register(mtd, NULL, 0); pci_set_drvdata(dev, mtd); @@ -330,43 +305,29 @@ out: return err; } -static void __devexit -mtd_pci_remove(struct pci_dev *dev) +static void mtd_pci_remove(struct pci_dev *dev) { struct mtd_info *mtd = pci_get_drvdata(dev); struct map_pci_info *map = mtd->priv; - del_mtd_device(mtd); + mtd_device_unregister(mtd); map_destroy(mtd); map->exit(dev, map); kfree(map); - pci_set_drvdata(dev, NULL); pci_release_regions(dev); } static struct pci_driver mtd_pci_driver = { .name = "MTD PCI", .probe = mtd_pci_probe, - .remove = __devexit_p(mtd_pci_remove), + .remove = mtd_pci_remove, .id_table = mtd_pci_ids, }; -static int __init mtd_pci_maps_init(void) -{ - return pci_register_driver(&mtd_pci_driver); -} - -static void __exit mtd_pci_maps_exit(void) -{ - pci_unregister_driver(&mtd_pci_driver); -} - -module_init(mtd_pci_maps_init); -module_exit(mtd_pci_maps_exit); +module_pci_driver(mtd_pci_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Russell King <rmk@arm.linux.org.uk>"); MODULE_DESCRIPTION("Generic PCI map driver"); MODULE_DEVICE_TABLE(pci, mtd_pci_ids); - diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c index d600c2deff7..a3cfad392ed 100644 --- a/drivers/mtd/maps/pcmciamtd.c +++ b/drivers/mtd/maps/pcmciamtd.c @@ -14,36 +14,14 @@ #include <linux/timer.h> #include <linux/init.h> #include <asm/io.h> -#include <asm/system.h> -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/ds.h> #include <linux/mtd/map.h> #include <linux/mtd/mtd.h> -#ifdef CONFIG_MTD_DEBUG -static int debug = CONFIG_MTD_DEBUG_VERBOSE; -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "Set Debug Level 0=quiet, 5=noisy"); -#undef DEBUG -#define DEBUG(n, format, arg...) \ - if (n <= debug) { \ - printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __func__ , ## arg); \ - } - -#else -#undef DEBUG -#define DEBUG(n, arg...) -static const int debug = 0; -#endif - -#define err(format, arg...) printk(KERN_ERR "pcmciamtd: " format "\n" , ## arg) #define info(format, arg...) printk(KERN_INFO "pcmciamtd: " format "\n" , ## arg) -#define warn(format, arg...) printk(KERN_WARNING "pcmciamtd: " format "\n" , ## arg) - #define DRIVER_DESC "PCMCIA Flash memory card driver" @@ -52,7 +30,6 @@ static const int debug = 0; struct pcmciamtd_dev { struct pcmcia_device *p_dev; - dev_node_t node; /* device node */ caddr_t win_base; /* ioremapped address of PCMCIA window */ unsigned int win_size; /* size of window */ unsigned int offset; /* offset into card the window currently points at */ @@ -100,30 +77,29 @@ module_param(mem_type, int, 0); MODULE_PARM_DESC(mem_type, "Set Memory type (0=Flash, 1=RAM, 2=ROM, default=0)"); -/* read/write{8,16} copy_{from,to} routines with window remapping to access whole card */ +/* read/write{8,16} copy_{from,to} routines with window remapping + * to access whole card + */ static caddr_t remap_window(struct map_info *map, unsigned long to) { struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1; - window_handle_t win = (window_handle_t)map->map_priv_2; - memreq_t mrq; + struct resource *win = (struct resource *) map->map_priv_2; + unsigned int offset; int ret; if (!pcmcia_dev_present(dev->p_dev)) { - DEBUG(1, "device removed"); + pr_debug("device removed\n"); return 0; } - mrq.CardOffset = to & ~(dev->win_size-1); - if(mrq.CardOffset != dev->offset) { - DEBUG(2, "Remapping window from 0x%8.8x to 0x%8.8x", - dev->offset, mrq.CardOffset); - mrq.Page = 0; - ret = pcmcia_map_mem_page(win, &mrq); - if (ret != 0) { - cs_error(dev->p_dev, MapMemPage, ret); + offset = to & ~(dev->win_size-1); + if (offset != dev->offset) { + pr_debug("Remapping window from 0x%8.8x to 0x%8.8x\n", + dev->offset, offset); + ret = pcmcia_map_mem_page(dev->p_dev, win, offset); + if (ret != 0) return NULL; - } - dev->offset = mrq.CardOffset; + dev->offset = offset; } return dev->win_base + (to & (dev->win_size-1)); } @@ -139,7 +115,7 @@ static map_word pcmcia_read8_remap(struct map_info *map, unsigned long ofs) return d; d.x[0] = readb(addr); - DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02x", ofs, addr, d.x[0]); + pr_debug("ofs = 0x%08lx (%p) data = 0x%02lx\n", ofs, addr, d.x[0]); return d; } @@ -154,7 +130,7 @@ static map_word pcmcia_read16_remap(struct map_info *map, unsigned long ofs) return d; d.x[0] = readw(addr); - DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04x", ofs, addr, d.x[0]); + pr_debug("ofs = 0x%08lx (%p) data = 0x%04lx\n", ofs, addr, d.x[0]); return d; } @@ -164,7 +140,7 @@ static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1; unsigned long win_size = dev->win_size; - DEBUG(3, "to = %p from = %lu len = %u", to, from, len); + pr_debug("to = %p from = %lu len = %zd\n", to, from, len); while(len) { int toread = win_size - (from & (win_size-1)); caddr_t addr; @@ -176,7 +152,7 @@ static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long if(!addr) return; - DEBUG(4, "memcpy from %p to %p len = %d", addr, to, toread); + pr_debug("memcpy from %p to %p len = %d\n", addr, to, toread); memcpy_fromio(to, addr, toread); len -= toread; to += toread; @@ -192,7 +168,7 @@ static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long if(!addr) return; - DEBUG(3, "adr = 0x%08lx (%p) data = 0x%02x", adr, addr, d.x[0]); + pr_debug("adr = 0x%08lx (%p) data = 0x%02lx\n", adr, addr, d.x[0]); writeb(d.x[0], addr); } @@ -203,7 +179,7 @@ static void pcmcia_write16_remap(struct map_info *map, map_word d, unsigned long if(!addr) return; - DEBUG(3, "adr = 0x%08lx (%p) data = 0x%04x", adr, addr, d.x[0]); + pr_debug("adr = 0x%08lx (%p) data = 0x%04lx\n", adr, addr, d.x[0]); writew(d.x[0], addr); } @@ -213,7 +189,7 @@ static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const v struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1; unsigned long win_size = dev->win_size; - DEBUG(3, "to = %lu from = %p len = %u", to, from, len); + pr_debug("to = %lu from = %p len = %zd\n", to, from, len); while(len) { int towrite = win_size - (to & (win_size-1)); caddr_t addr; @@ -225,7 +201,7 @@ static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const v if(!addr) return; - DEBUG(4, "memcpy from %p to %p len = %d", from, addr, towrite); + pr_debug("memcpy from %p to %p len = %d\n", from, addr, towrite); memcpy_toio(addr, from, towrite); len -= towrite; to += towrite; @@ -247,7 +223,8 @@ static map_word pcmcia_read8(struct map_info *map, unsigned long ofs) return d; d.x[0] = readb(win_base + ofs); - DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02x", ofs, win_base + ofs, d.x[0]); + pr_debug("ofs = 0x%08lx (%p) data = 0x%02lx\n", + ofs, win_base + ofs, d.x[0]); return d; } @@ -261,7 +238,8 @@ static map_word pcmcia_read16(struct map_info *map, unsigned long ofs) return d; d.x[0] = readw(win_base + ofs); - DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04x", ofs, win_base + ofs, d.x[0]); + pr_debug("ofs = 0x%08lx (%p) data = 0x%04lx\n", + ofs, win_base + ofs, d.x[0]); return d; } @@ -273,32 +251,34 @@ static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from, if(DEV_REMOVED(map)) return; - DEBUG(3, "to = %p from = %lu len = %u", to, from, len); + pr_debug("to = %p from = %lu len = %zd\n", to, from, len); memcpy_fromio(to, win_base + from, len); } -static void pcmcia_write8(struct map_info *map, u8 d, unsigned long adr) +static void pcmcia_write8(struct map_info *map, map_word d, unsigned long adr) { caddr_t win_base = (caddr_t)map->map_priv_2; if(DEV_REMOVED(map)) return; - DEBUG(3, "adr = 0x%08lx (%p) data = 0x%02x", adr, win_base + adr, d); - writeb(d, win_base + adr); + pr_debug("adr = 0x%08lx (%p) data = 0x%02lx\n", + adr, win_base + adr, d.x[0]); + writeb(d.x[0], win_base + adr); } -static void pcmcia_write16(struct map_info *map, u16 d, unsigned long adr) +static void pcmcia_write16(struct map_info *map, map_word d, unsigned long adr) { caddr_t win_base = (caddr_t)map->map_priv_2; if(DEV_REMOVED(map)) return; - DEBUG(3, "adr = 0x%08lx (%p) data = 0x%04x", adr, win_base + adr, d); - writew(d, win_base + adr); + pr_debug("adr = 0x%08lx (%p) data = 0x%04lx\n", + adr, win_base + adr, d.x[0]); + writew(d.x[0], win_base + adr); } @@ -309,146 +289,149 @@ static void pcmcia_copy_to(struct map_info *map, unsigned long to, const void *f if(DEV_REMOVED(map)) return; - DEBUG(3, "to = %lu from = %p len = %u", to, from, len); + pr_debug("to = %lu from = %p len = %zd\n", to, from, len); memcpy_toio(win_base + to, from, len); } +static DEFINE_SPINLOCK(pcmcia_vpp_lock); +static int pcmcia_vpp_refcnt; static void pcmciamtd_set_vpp(struct map_info *map, int on) { struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1; struct pcmcia_device *link = dev->p_dev; - modconf_t mod; - int ret; - - mod.Attributes = CONF_VPP1_CHANGE_VALID | CONF_VPP2_CHANGE_VALID; - mod.Vcc = 0; - mod.Vpp1 = mod.Vpp2 = on ? dev->vpp : 0; + unsigned long flags; - DEBUG(2, "dev = %p on = %d vpp = %d\n", dev, on, dev->vpp); - ret = pcmcia_modify_configuration(link, &mod); - if (ret != 0) - cs_error(link, ModifyConfiguration, ret); + pr_debug("dev = %p on = %d vpp = %d\n\n", dev, on, dev->vpp); + spin_lock_irqsave(&pcmcia_vpp_lock, flags); + if (on) { + if (++pcmcia_vpp_refcnt == 1) /* first nested 'on' */ + pcmcia_fixup_vpp(link, dev->vpp); + } else { + if (--pcmcia_vpp_refcnt == 0) /* last nested 'off' */ + pcmcia_fixup_vpp(link, 0); + } + spin_unlock_irqrestore(&pcmcia_vpp_lock, flags); } -/* After a card is removed, pcmciamtd_release() will unregister the - * device, and release the PCMCIA configuration. If the device is - * still open, this will be postponed until it is closed. - */ - static void pcmciamtd_release(struct pcmcia_device *link) { struct pcmciamtd_dev *dev = link->priv; - DEBUG(3, "link = 0x%p", link); + pr_debug("link = 0x%p\n", link); - if (link->win) { + if (link->resource[2]->end) { if(dev->win_base) { iounmap(dev->win_base); dev->win_base = NULL; } - pcmcia_release_window(link->win); } pcmcia_disable_device(link); } -static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, int *new_name) +static int pcmciamtd_cistpl_format(struct pcmcia_device *p_dev, + tuple_t *tuple, + void *priv_data) { - int rc; - tuple_t tuple; cisparse_t parse; - u_char buf[64]; - - tuple.Attributes = 0; - tuple.TupleData = (cisdata_t *)buf; - tuple.TupleDataMax = sizeof(buf); - tuple.TupleOffset = 0; - tuple.DesiredTuple = RETURN_FIRST_TUPLE; - - rc = pcmcia_get_first_tuple(link, &tuple); - while (rc == 0) { - rc = pcmcia_get_tuple_data(link, &tuple); - if (rc != 0) { - cs_error(link, GetTupleData, rc); - break; - } - rc = pcmcia_parse_tuple(&tuple, &parse); - if (rc != 0) { - cs_error(link, ParseTuple, rc); - break; - } - switch(tuple.TupleCode) { - case CISTPL_FORMAT: { - cistpl_format_t *t = &parse.format; - (void)t; /* Shut up, gcc */ - DEBUG(2, "Format type: %u, Error Detection: %u, offset = %u, length =%u", - t->type, t->edc, t->offset, t->length); - break; + if (!pcmcia_parse_tuple(tuple, &parse)) { + cistpl_format_t *t = &parse.format; + (void)t; /* Shut up, gcc */ + pr_debug("Format type: %u, Error Detection: %u, offset = %u, length =%u\n", + t->type, t->edc, t->offset, t->length); + } + return -ENOSPC; +} - } +static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev, + tuple_t *tuple, + void *priv_data) +{ + cisparse_t parse; + int i; - case CISTPL_DEVICE: { - cistpl_device_t *t = &parse.device; - int i; - DEBUG(2, "Common memory:"); - dev->pcmcia_map.size = t->dev[0].size; - for(i = 0; i < t->ndev; i++) { - DEBUG(2, "Region %d, type = %u", i, t->dev[i].type); - DEBUG(2, "Region %d, wp = %u", i, t->dev[i].wp); - DEBUG(2, "Region %d, speed = %u ns", i, t->dev[i].speed); - DEBUG(2, "Region %d, size = %u bytes", i, t->dev[i].size); - } - break; - } + if (!pcmcia_parse_tuple(tuple, &parse)) { + cistpl_jedec_t *t = &parse.jedec; + for (i = 0; i < t->nid; i++) + pr_debug("JEDEC: 0x%02x 0x%02x\n", + t->id[i].mfr, t->id[i].info); + } + return -ENOSPC; +} - case CISTPL_VERS_1: { - cistpl_vers_1_t *t = &parse.version_1; - int i; - if(t->ns) { - dev->mtd_name[0] = '\0'; - for(i = 0; i < t->ns; i++) { - if(i) - strcat(dev->mtd_name, " "); - strcat(dev->mtd_name, t->str+t->ofs[i]); - } - } - DEBUG(2, "Found name: %s", dev->mtd_name); - break; - } +static int pcmciamtd_cistpl_device(struct pcmcia_device *p_dev, + tuple_t *tuple, + void *priv_data) +{ + struct pcmciamtd_dev *dev = priv_data; + cisparse_t parse; + cistpl_device_t *t = &parse.device; + int i; - case CISTPL_JEDEC_C: { - cistpl_jedec_t *t = &parse.jedec; - int i; - for(i = 0; i < t->nid; i++) { - DEBUG(2, "JEDEC: 0x%02x 0x%02x", t->id[i].mfr, t->id[i].info); - } - break; - } + if (pcmcia_parse_tuple(tuple, &parse)) + return -EINVAL; + + pr_debug("Common memory:\n"); + dev->pcmcia_map.size = t->dev[0].size; + /* from here on: DEBUG only */ + for (i = 0; i < t->ndev; i++) { + pr_debug("Region %d, type = %u\n", i, t->dev[i].type); + pr_debug("Region %d, wp = %u\n", i, t->dev[i].wp); + pr_debug("Region %d, speed = %u ns\n", i, t->dev[i].speed); + pr_debug("Region %d, size = %u bytes\n", i, t->dev[i].size); + } + return 0; +} - case CISTPL_DEVICE_GEO: { - cistpl_device_geo_t *t = &parse.device_geo; - int i; - dev->pcmcia_map.bankwidth = t->geo[0].buswidth; - for(i = 0; i < t->ngeo; i++) { - DEBUG(2, "region: %d bankwidth = %u", i, t->geo[i].buswidth); - DEBUG(2, "region: %d erase_block = %u", i, t->geo[i].erase_block); - DEBUG(2, "region: %d read_block = %u", i, t->geo[i].read_block); - DEBUG(2, "region: %d write_block = %u", i, t->geo[i].write_block); - DEBUG(2, "region: %d partition = %u", i, t->geo[i].partition); - DEBUG(2, "region: %d interleave = %u", i, t->geo[i].interleave); - } - break; - } +static int pcmciamtd_cistpl_geo(struct pcmcia_device *p_dev, + tuple_t *tuple, + void *priv_data) +{ + struct pcmciamtd_dev *dev = priv_data; + cisparse_t parse; + cistpl_device_geo_t *t = &parse.device_geo; + int i; - default: - DEBUG(2, "Unknown tuple code %d", tuple.TupleCode); - } + if (pcmcia_parse_tuple(tuple, &parse)) + return -EINVAL; + + dev->pcmcia_map.bankwidth = t->geo[0].buswidth; + /* from here on: DEBUG only */ + for (i = 0; i < t->ngeo; i++) { + pr_debug("region: %d bankwidth = %u\n", i, t->geo[i].buswidth); + pr_debug("region: %d erase_block = %u\n", i, t->geo[i].erase_block); + pr_debug("region: %d read_block = %u\n", i, t->geo[i].read_block); + pr_debug("region: %d write_block = %u\n", i, t->geo[i].write_block); + pr_debug("region: %d partition = %u\n", i, t->geo[i].partition); + pr_debug("region: %d interleave = %u\n", i, t->geo[i].interleave); + } + return 0; +} + + +static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *p_dev, int *new_name) +{ + int i; - rc = pcmcia_get_next_tuple(link, &tuple); + if (p_dev->prod_id[0]) { + dev->mtd_name[0] = '\0'; + for (i = 0; i < 4; i++) { + if (i) + strcat(dev->mtd_name, " "); + if (p_dev->prod_id[i]) + strcat(dev->mtd_name, p_dev->prod_id[i]); + } + pr_debug("Found name: %s\n", dev->mtd_name); } + + pcmcia_loop_tuple(p_dev, CISTPL_FORMAT, pcmciamtd_cistpl_format, NULL); + pcmcia_loop_tuple(p_dev, CISTPL_JEDEC_C, pcmciamtd_cistpl_jedec, NULL); + pcmcia_loop_tuple(p_dev, CISTPL_DEVICE, pcmciamtd_cistpl_device, dev); + pcmcia_loop_tuple(p_dev, CISTPL_DEVICE_GEO, pcmciamtd_cistpl_geo, dev); + if(!dev->pcmcia_map.size) dev->pcmcia_map.size = MAX_PCMCIA_ADDR; @@ -457,12 +440,12 @@ static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, if(force_size) { dev->pcmcia_map.size = force_size << 20; - DEBUG(2, "size forced to %dM", force_size); + pr_debug("size forced to %dM\n", force_size); } if(bankwidth) { dev->pcmcia_map.bankwidth = bankwidth; - DEBUG(2, "bankwidth forced to %d", bankwidth); + pr_debug("bankwidth forced to %d\n", bankwidth); } dev->pcmcia_map.name = dev->mtd_name; @@ -471,32 +454,22 @@ static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, *new_name = 1; } - DEBUG(1, "Device: Size: %lu Width:%d Name: %s", - dev->pcmcia_map.size, dev->pcmcia_map.bankwidth << 3, dev->mtd_name); + pr_debug("Device: Size: %lu Width:%d Name: %s\n", + dev->pcmcia_map.size, + dev->pcmcia_map.bankwidth << 3, dev->mtd_name); } -/* pcmciamtd_config() is scheduled to run after a CARD_INSERTION event - * is received, to configure the PCMCIA socket, and to make the - * MTD device available to the system. - */ - -#define CS_CHECK(fn, ret) \ -do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) - static int pcmciamtd_config(struct pcmcia_device *link) { struct pcmciamtd_dev *dev = link->priv; struct mtd_info *mtd = NULL; - cs_status_t status; - win_req_t req; - int last_ret = 0, last_fn = 0; int ret; - int i; + int i, j = 0; static char *probes[] = { "jedec_probe", "cfi_probe" }; int new_name = 0; - DEBUG(3, "link=0x%p", link); + pr_debug("link=0x%p\n", link); card_settings(dev, link, &new_name); @@ -513,71 +486,77 @@ static int pcmciamtd_config(struct pcmcia_device *link) if(setvpp == 1) dev->pcmcia_map.set_vpp = pcmciamtd_set_vpp; - /* Request a memory window for PCMCIA. Some architeures can map windows upto the maximum - that PCMCIA can support (64MiB) - this is ideal and we aim for a window the size of the - whole card - otherwise we try smaller windows until we succeed */ - - req.Attributes = WIN_MEMORY_TYPE_CM | WIN_ENABLE; - req.Attributes |= (dev->pcmcia_map.bankwidth == 1) ? WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16; - req.Base = 0; - req.AccessSpeed = mem_speed; - link->win = (window_handle_t)link; - req.Size = (force_size) ? force_size << 20 : MAX_PCMCIA_ADDR; + /* Request a memory window for PCMCIA. Some architeures can map windows + * up to the maximum that PCMCIA can support (64MiB) - this is ideal and + * we aim for a window the size of the whole card - otherwise we try + * smaller windows until we succeed + */ + + link->resource[2]->flags |= WIN_MEMORY_TYPE_CM | WIN_ENABLE; + link->resource[2]->flags |= (dev->pcmcia_map.bankwidth == 1) ? + WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16; + link->resource[2]->start = 0; + link->resource[2]->end = (force_size) ? force_size << 20 : + MAX_PCMCIA_ADDR; dev->win_size = 0; do { int ret; - DEBUG(2, "requesting window with size = %dKiB memspeed = %d", - req.Size >> 10, req.AccessSpeed); - ret = pcmcia_request_window(&link, &req, &link->win); - DEBUG(2, "ret = %d dev->win_size = %d", ret, dev->win_size); + pr_debug("requesting window with size = %luKiB memspeed = %d\n", + (unsigned long) resource_size(link->resource[2]) >> 10, + mem_speed); + ret = pcmcia_request_window(link, link->resource[2], mem_speed); + pr_debug("ret = %d dev->win_size = %d\n", ret, dev->win_size); if(ret) { - req.Size >>= 1; + j++; + link->resource[2]->start = 0; + link->resource[2]->end = (force_size) ? + force_size << 20 : MAX_PCMCIA_ADDR; + link->resource[2]->end >>= j; } else { - DEBUG(2, "Got window of size %dKiB", req.Size >> 10); - dev->win_size = req.Size; + pr_debug("Got window of size %luKiB\n", (unsigned long) + resource_size(link->resource[2]) >> 10); + dev->win_size = resource_size(link->resource[2]); break; } - } while(req.Size >= 0x1000); + } while (link->resource[2]->end >= 0x1000); - DEBUG(2, "dev->win_size = %d", dev->win_size); + pr_debug("dev->win_size = %d\n", dev->win_size); if(!dev->win_size) { - err("Cant allocate memory window"); + dev_err(&dev->p_dev->dev, "Cannot allocate memory window\n"); pcmciamtd_release(link); return -ENODEV; } - DEBUG(1, "Allocated a window of %dKiB", dev->win_size >> 10); + pr_debug("Allocated a window of %dKiB\n", dev->win_size >> 10); /* Get write protect status */ - DEBUG(2, "window handle = 0x%8.8lx", (unsigned long)link->win); - dev->win_base = ioremap(req.Base, req.Size); + dev->win_base = ioremap(link->resource[2]->start, + resource_size(link->resource[2])); if(!dev->win_base) { - err("ioremap(%lu, %u) failed", req.Base, req.Size); + dev_err(&dev->p_dev->dev, "ioremap(%pR) failed\n", + link->resource[2]); pcmciamtd_release(link); return -ENODEV; } - DEBUG(1, "mapped window dev = %p req.base = 0x%lx base = %p size = 0x%x", - dev, req.Base, dev->win_base, req.Size); + pr_debug("mapped window dev = %p @ %pR, base = %p\n", + dev, link->resource[2], dev->win_base); dev->offset = 0; dev->pcmcia_map.map_priv_1 = (unsigned long)dev; - dev->pcmcia_map.map_priv_2 = (unsigned long)link->win; + dev->pcmcia_map.map_priv_2 = (unsigned long)link->resource[2]; - dev->vpp = (vpp) ? vpp : link->socket.socket.Vpp; - link->conf.Attributes = 0; + dev->vpp = (vpp) ? vpp : link->socket->socket.Vpp; if(setvpp == 2) { - link->conf.Vpp = dev->vpp; + link->vpp = dev->vpp; } else { - link->conf.Vpp = 0; + link->vpp = 0; } - link->conf.IntType = INT_MEMORY; - link->conf.ConfigIndex = 0; - DEBUG(2, "Setting Configuration"); - ret = pcmcia_request_configuration(link, &link->conf); + link->config_index = 0; + pr_debug("Setting Configuration\n"); + ret = pcmcia_enable_device(link); if (ret != 0) { - cs_error(link, RequestConfiguration, ret); if (dev->win_base) { iounmap(dev->win_base); dev->win_base = NULL; @@ -591,17 +570,17 @@ static int pcmciamtd_config(struct pcmcia_device *link) mtd = do_map_probe("map_rom", &dev->pcmcia_map); } else { for(i = 0; i < ARRAY_SIZE(probes); i++) { - DEBUG(1, "Trying %s", probes[i]); + pr_debug("Trying %s\n", probes[i]); mtd = do_map_probe(probes[i], &dev->pcmcia_map); if(mtd) break; - DEBUG(1, "FAILED: %s", probes[i]); + pr_debug("FAILED: %s\n", probes[i]); } } if(!mtd) { - DEBUG(1, "Cant find an MTD"); + pr_debug("Can not find an MTD\n"); pcmciamtd_release(link); return -ENODEV; } @@ -612,8 +591,9 @@ static int pcmciamtd_config(struct pcmcia_device *link) if(new_name) { int size = 0; char unit = ' '; - /* Since we are using a default name, make it better by adding in the - size */ + /* Since we are using a default name, make it better by adding + * in the size + */ if(mtd->size < 1048576) { /* <1MiB in size, show size in KiB */ size = mtd->size >> 10; unit = 'K'; @@ -627,7 +607,7 @@ static int pcmciamtd_config(struct pcmcia_device *link) /* If the memory found is fits completely into the mapped PCMCIA window, use the faster non-remapping read/write functions */ if(mtd->size <= dev->win_size) { - DEBUG(1, "Using non remapping memory functions"); + pr_debug("Using non remapping memory functions\n"); dev->pcmcia_map.map_priv_2 = (unsigned long)dev->win_base; if (dev->pcmcia_map.bankwidth == 1) { dev->pcmcia_map.read = pcmcia_read8; @@ -640,29 +620,22 @@ static int pcmciamtd_config(struct pcmcia_device *link) dev->pcmcia_map.copy_to = pcmcia_copy_to; } - if(add_mtd_device(mtd)) { + if (mtd_device_register(mtd, NULL, 0)) { map_destroy(mtd); dev->mtd_info = NULL; - err("Couldnt register MTD device"); + dev_err(&dev->p_dev->dev, + "Could not register the MTD device\n"); pcmciamtd_release(link); return -ENODEV; } - snprintf(dev->node.dev_name, sizeof(dev->node.dev_name), "mtd%d", mtd->index); - info("mtd%d: %s", mtd->index, mtd->name); - link->dev_node = &dev->node; + dev_info(&dev->p_dev->dev, "mtd%d: %s\n", mtd->index, mtd->name); return 0; - - cs_failed: - cs_error(link, last_fn, last_ret); - err("CS Error, exiting"); - pcmciamtd_release(link); - return -ENODEV; } static int pcmciamtd_suspend(struct pcmcia_device *dev) { - DEBUG(2, "EVENT_PM_RESUME"); + pr_debug("EVENT_PM_RESUME\n"); /* get_lock(link); */ @@ -671,7 +644,7 @@ static int pcmciamtd_suspend(struct pcmcia_device *dev) static int pcmciamtd_resume(struct pcmcia_device *dev) { - DEBUG(2, "EVENT_PM_SUSPEND"); + pr_debug("EVENT_PM_SUSPEND\n"); /* free_lock(link); */ @@ -679,33 +652,23 @@ static int pcmciamtd_resume(struct pcmcia_device *dev) } -/* This deletes a driver "instance". The device is de-registered - * with Card Services. If it has been released, all local data - * structures are freed. Otherwise, the structures will be freed - * when the device is released. - */ - static void pcmciamtd_detach(struct pcmcia_device *link) { struct pcmciamtd_dev *dev = link->priv; - DEBUG(3, "link=0x%p", link); + pr_debug("link=0x%p\n", link); if(dev->mtd_info) { - del_mtd_device(dev->mtd_info); + mtd_device_unregister(dev->mtd_info); + dev_info(&dev->p_dev->dev, "mtd%d: Removing\n", + dev->mtd_info->index); map_destroy(dev->mtd_info); - info("mtd%d: Removed", dev->mtd_info->index); } pcmciamtd_release(link); } -/* pcmciamtd_attach() creates an "instance" of the driver, allocating - * local data structures for one device. The device is registered - * with Card Services. - */ - static int pcmciamtd_probe(struct pcmcia_device *link) { struct pcmciamtd_dev *dev; @@ -713,18 +676,15 @@ static int pcmciamtd_probe(struct pcmcia_device *link) /* Create new memory card device */ dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; - DEBUG(1, "dev=0x%p", dev); + pr_debug("dev=0x%p\n", dev); dev->p_dev = link; link->priv = dev; - link->conf.Attributes = 0; - link->conf.IntType = INT_MEMORY; - return pcmciamtd_config(link); } -static struct pcmcia_device_id pcmciamtd_ids[] = { +static const struct pcmcia_device_id pcmciamtd_ids[] = { PCMCIA_DEVICE_FUNC_ID(1), PCMCIA_DEVICE_PROD_ID123("IO DATA", "PCS-2M", "2MB SRAM", 0x547e66dc, 0x1fed36cd, 0x36eadd21), PCMCIA_DEVICE_PROD_ID12("IBM", "2MB SRAM", 0xb569a6e5, 0x36eadd21), @@ -738,8 +698,11 @@ static struct pcmcia_device_id pcmciamtd_ids[] = { PCMCIA_DEVICE_PROD_ID12("intel", "VALUE SERIES 100 ", 0x40ade711, 0xdf8506d8), PCMCIA_DEVICE_PROD_ID12("KINGMAX TECHNOLOGY INC.", "SRAM 256K Bytes", 0x54d0c69c, 0xad12c29c), PCMCIA_DEVICE_PROD_ID12("Maxtor", "MAXFL MobileMax Flash Memory Card", 0xb68968c8, 0x2dfb47b0), + PCMCIA_DEVICE_PROD_ID123("M-Systems", "M-SYS Flash Memory Card", "(c) M-Systems", 0x7ed2ad87, 0x675dc3fb, 0x7aef3965), + PCMCIA_DEVICE_PROD_ID12("PRETEC", " 2MB SRAM CARD", 0xebf91155, 0x805360ca), PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB101EN20", 0xf9876baf, 0xad0b207b), PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB513EN20", 0xf9876baf, 0xe8d884ad), + PCMCIA_DEVICE_PROD_ID12("SMART Modular Technologies", " 4MB FLASH Card", 0x96fd8277, 0x737a5b05), PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-3000", 0x05ddca47, 0xe7d67bca), PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-4100", 0x05ddca47, 0x7bc32944), /* the following was commented out in pcmcia-cs-3.2.7 */ @@ -752,9 +715,7 @@ static struct pcmcia_device_id pcmciamtd_ids[] = { MODULE_DEVICE_TABLE(pcmcia, pcmciamtd_ids); static struct pcmcia_driver pcmciamtd_driver = { - .drv = { - .name = "pcmciamtd" - }, + .name = "pcmciamtd", .probe = pcmciamtd_probe, .remove = pcmciamtd_detach, .owner = THIS_MODULE, @@ -766,8 +727,6 @@ static struct pcmcia_driver pcmciamtd_driver = { static int __init init_pcmciamtd(void) { - info(DRIVER_DESC); - if(bankwidth && bankwidth != 1 && bankwidth != 2) { info("bad bankwidth (%d), using default", bankwidth); bankwidth = 2; @@ -786,7 +745,7 @@ static int __init init_pcmciamtd(void) static void __exit exit_pcmciamtd(void) { - DEBUG(1, DRIVER_DESC " unloading"); + pr_debug(DRIVER_DESC " unloading"); pcmcia_unregister_driver(&pcmciamtd_driver); } diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c index 29a90115735..f73cd461257 100644 --- a/drivers/mtd/maps/physmap.c +++ b/drivers/mtd/maps/physmap.c @@ -27,10 +27,8 @@ struct physmap_flash_info { struct mtd_info *mtd[MAX_RESOURCES]; struct mtd_info *cmtd; struct map_info map[MAX_RESOURCES]; -#ifdef CONFIG_MTD_PARTITIONS - int nr_parts; - struct mtd_partition *parts; -#endif + spinlock_t vpp_lock; + int vpp_refcnt; }; static int physmap_flash_remove(struct platform_device *dev) @@ -42,57 +40,69 @@ static int physmap_flash_remove(struct platform_device *dev) info = platform_get_drvdata(dev); if (info == NULL) return 0; - platform_set_drvdata(dev, NULL); - physmap_data = dev->dev.platform_data; + physmap_data = dev_get_platdata(&dev->dev); if (info->cmtd) { -#ifdef CONFIG_MTD_PARTITIONS - if (info->nr_parts || physmap_data->nr_parts) - del_mtd_partitions(info->cmtd); - else - del_mtd_device(info->cmtd); -#else - del_mtd_device(info->cmtd); -#endif + mtd_device_unregister(info->cmtd); + if (info->cmtd != info->mtd[0]) + mtd_concat_destroy(info->cmtd); } -#ifdef CONFIG_MTD_PARTITIONS - if (info->nr_parts) - kfree(info->parts); -#endif - -#ifdef CONFIG_MTD_CONCAT - if (info->cmtd != info->mtd[0]) - mtd_concat_destroy(info->cmtd); -#endif for (i = 0; i < MAX_RESOURCES; i++) { if (info->mtd[i] != NULL) map_destroy(info->mtd[i]); } + + if (physmap_data->exit) + physmap_data->exit(dev); + return 0; } -static const char *rom_probe_types[] = { - "cfi_probe", - "jedec_probe", - "qinfo_probe", - "map_rom", - NULL }; -#ifdef CONFIG_MTD_PARTITIONS -static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL }; -#endif +static void physmap_set_vpp(struct map_info *map, int state) +{ + struct platform_device *pdev; + struct physmap_flash_data *physmap_data; + struct physmap_flash_info *info; + unsigned long flags; + + pdev = (struct platform_device *)map->map_priv_1; + physmap_data = dev_get_platdata(&pdev->dev); + + if (!physmap_data->set_vpp) + return; + + info = platform_get_drvdata(pdev); + + spin_lock_irqsave(&info->vpp_lock, flags); + if (state) { + if (++info->vpp_refcnt == 1) /* first nested 'on' */ + physmap_data->set_vpp(pdev, 1); + } else { + if (--info->vpp_refcnt == 0) /* last nested 'off' */ + physmap_data->set_vpp(pdev, 0); + } + spin_unlock_irqrestore(&info->vpp_lock, flags); +} + +static const char * const rom_probe_types[] = { + "cfi_probe", "jedec_probe", "qinfo_probe", "map_rom", NULL }; + +static const char * const part_probe_types[] = { + "cmdlinepart", "RedBoot", "afs", NULL }; static int physmap_flash_probe(struct platform_device *dev) { struct physmap_flash_data *physmap_data; struct physmap_flash_info *info; - const char **probe_type; + const char * const *probe_type; + const char * const *part_types; int err = 0; int i; int devices_found = 0; - physmap_data = dev->dev.platform_data; + physmap_data = dev_get_platdata(&dev->dev); if (physmap_data == NULL) return -ENODEV; @@ -103,16 +113,22 @@ static int physmap_flash_probe(struct platform_device *dev) goto err_out; } + if (physmap_data->init) { + err = physmap_data->init(dev); + if (err) + goto err_out; + } + platform_set_drvdata(dev, info); for (i = 0; i < dev->num_resources; i++) { printk(KERN_NOTICE "physmap platform flash device: %.8llx at %.8llx\n", - (unsigned long long)(dev->resource[i].end - dev->resource[i].start + 1), + (unsigned long long)resource_size(&dev->resource[i]), (unsigned long long)dev->resource[i].start); if (!devm_request_mem_region(&dev->dev, dev->resource[i].start, - dev->resource[i].end - dev->resource[i].start + 1, + resource_size(&dev->resource[i]), dev_name(&dev->dev))) { dev_err(&dev->dev, "Could not reserve memory region\n"); err = -ENOMEM; @@ -121,24 +137,29 @@ static int physmap_flash_probe(struct platform_device *dev) info->map[i].name = dev_name(&dev->dev); info->map[i].phys = dev->resource[i].start; - info->map[i].size = dev->resource[i].end - dev->resource[i].start + 1; + info->map[i].size = resource_size(&dev->resource[i]); info->map[i].bankwidth = physmap_data->width; - info->map[i].set_vpp = physmap_data->set_vpp; + info->map[i].set_vpp = physmap_set_vpp; info->map[i].pfow_base = physmap_data->pfow_base; + info->map[i].map_priv_1 = (unsigned long)dev; info->map[i].virt = devm_ioremap(&dev->dev, info->map[i].phys, info->map[i].size); if (info->map[i].virt == NULL) { dev_err(&dev->dev, "Failed to ioremap flash region\n"); - err = EIO; + err = -EIO; goto err_out; } simple_map_init(&info->map[i]); probe_type = rom_probe_types; - for (; info->mtd[i] == NULL && *probe_type != NULL; probe_type++) - info->mtd[i] = do_map_probe(*probe_type, &info->map[i]); + if (physmap_data->probe_type == NULL) { + for (; info->mtd[i] == NULL && *probe_type != NULL; probe_type++) + info->mtd[i] = do_map_probe(*probe_type, &info->map[i]); + } else + info->mtd[i] = do_map_probe(physmap_data->probe_type, &info->map[i]); + if (info->mtd[i] == NULL) { dev_err(&dev->dev, "map_probe failed\n"); err = -ENXIO; @@ -156,37 +177,19 @@ static int physmap_flash_probe(struct platform_device *dev) /* * We detected multiple devices. Concatenate them together. */ -#ifdef CONFIG_MTD_CONCAT info->cmtd = mtd_concat_create(info->mtd, devices_found, dev_name(&dev->dev)); if (info->cmtd == NULL) err = -ENXIO; -#else - printk(KERN_ERR "physmap-flash: multiple devices " - "found but MTD concat support disabled.\n"); - err = -ENXIO; -#endif } if (err) goto err_out; -#ifdef CONFIG_MTD_PARTITIONS - err = parse_mtd_partitions(info->cmtd, part_probe_types, - &info->parts, 0); - if (err > 0) { - add_mtd_partitions(info->cmtd, info->parts, err); - info->nr_parts = err; - return 0; - } + spin_lock_init(&info->vpp_lock); - if (physmap_data->nr_parts) { - printk(KERN_NOTICE "Using physmap partition information\n"); - add_mtd_partitions(info->cmtd, physmap_data->parts, - physmap_data->nr_parts); - return 0; - } -#endif + part_types = physmap_data->part_probe_types ? : part_probe_types; - add_mtd_device(info->cmtd); + mtd_device_parse_register(info->cmtd, part_types, NULL, + physmap_data->parts, physmap_data->nr_parts); return 0; err_out: @@ -195,63 +198,22 @@ err_out: } #ifdef CONFIG_PM -static int physmap_flash_suspend(struct platform_device *dev, pm_message_t state) -{ - struct physmap_flash_info *info = platform_get_drvdata(dev); - int ret = 0; - int i; - - for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++) - if (info->mtd[i]->suspend) { - ret = info->mtd[i]->suspend(info->mtd[i]); - if (ret) - goto fail; - } - - return 0; -fail: - for (--i; i >= 0; --i) - if (info->mtd[i]->suspend) { - BUG_ON(!info->mtd[i]->resume); - info->mtd[i]->resume(info->mtd[i]); - } - - return ret; -} - -static int physmap_flash_resume(struct platform_device *dev) -{ - struct physmap_flash_info *info = platform_get_drvdata(dev); - int i; - - for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++) - if (info->mtd[i]->resume) - info->mtd[i]->resume(info->mtd[i]); - - return 0; -} - static void physmap_flash_shutdown(struct platform_device *dev) { struct physmap_flash_info *info = platform_get_drvdata(dev); int i; for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++) - if (info->mtd[i]->suspend && info->mtd[i]->resume) - if (info->mtd[i]->suspend(info->mtd[i]) == 0) - info->mtd[i]->resume(info->mtd[i]); + if (mtd_suspend(info->mtd[i]) == 0) + mtd_resume(info->mtd[i]); } #else -#define physmap_flash_suspend NULL -#define physmap_flash_resume NULL #define physmap_flash_shutdown NULL #endif static struct platform_driver physmap_flash_driver = { .probe = physmap_flash_probe, .remove = physmap_flash_remove, - .suspend = physmap_flash_suspend, - .resume = physmap_flash_resume, .shutdown = physmap_flash_shutdown, .driver = { .name = "physmap-flash", @@ -280,23 +242,6 @@ static struct platform_device physmap_flash = { .num_resources = 1, .resource = &physmap_flash_resource, }; - -void physmap_configure(unsigned long addr, unsigned long size, - int bankwidth, void (*set_vpp)(struct map_info *, int)) -{ - physmap_flash_resource.start = addr; - physmap_flash_resource.end = addr + size - 1; - physmap_flash_data.width = bankwidth; - physmap_flash_data.set_vpp = set_vpp; -} - -#ifdef CONFIG_MTD_PARTITIONS -void physmap_set_partitions(struct mtd_partition *parts, int num_parts) -{ - physmap_flash_data.nr_parts = num_parts; - physmap_flash_data.parts = parts; -} -#endif #endif static int __init physmap_init(void) @@ -305,8 +250,11 @@ static int __init physmap_init(void) err = platform_driver_register(&physmap_flash_driver); #ifdef CONFIG_MTD_PHYSMAP_COMPAT - if (err == 0) - platform_device_register(&physmap_flash); + if (err == 0) { + err = platform_device_register(&physmap_flash); + if (err) + platform_driver_unregister(&physmap_flash_driver); + } #endif return err; diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c index c83a60fada5..217c25d7381 100644 --- a/drivers/mtd/maps/physmap_of.c +++ b/drivers/mtd/maps/physmap_of.c @@ -15,117 +15,73 @@ #include <linux/module.h> #include <linux/types.h> -#include <linux/init.h> #include <linux/device.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/concat.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/of_platform.h> +#include <linux/slab.h> -struct of_flash { - struct mtd_info *mtd; - struct map_info map; - struct resource *res; -#ifdef CONFIG_MTD_PARTITIONS - struct mtd_partition *parts; -#endif +struct of_flash_list { + struct mtd_info *mtd; + struct map_info map; + struct resource *res; }; -#ifdef CONFIG_MTD_PARTITIONS -#define OF_FLASH_PARTS(info) ((info)->parts) - -static int parse_obsolete_partitions(struct of_device *dev, - struct of_flash *info, - struct device_node *dp) -{ - int i, plen, nr_parts; - const struct { - u32 offset, len; - } *part; - const char *names; - - part = of_get_property(dp, "partitions", &plen); - if (!part) - return 0; /* No partitions found */ - - dev_warn(&dev->dev, "Device tree uses obsolete partition map binding\n"); - - nr_parts = plen / sizeof(part[0]); - - info->parts = kzalloc(nr_parts * sizeof(*info->parts), GFP_KERNEL); - if (!info->parts) - return -ENOMEM; - - names = of_get_property(dp, "partition-names", &plen); - - for (i = 0; i < nr_parts; i++) { - info->parts[i].offset = part->offset; - info->parts[i].size = part->len & ~1; - if (part->len & 1) /* bit 0 set signifies read only partition */ - info->parts[i].mask_flags = MTD_WRITEABLE; - - if (names && (plen > 0)) { - int len = strlen(names) + 1; - - info->parts[i].name = (char *)names; - plen -= len; - names += len; - } else { - info->parts[i].name = "unnamed"; - } - - part++; - } - - return nr_parts; -} -#else /* MTD_PARTITIONS */ -#define OF_FLASH_PARTS(info) (0) -#define parse_partitions(info, dev) (0) -#endif /* MTD_PARTITIONS */ +struct of_flash { + struct mtd_info *cmtd; + int list_size; /* number of elements in of_flash_list */ + struct of_flash_list list[0]; +}; -static int of_flash_remove(struct of_device *dev) +static int of_flash_remove(struct platform_device *dev) { struct of_flash *info; + int i; info = dev_get_drvdata(&dev->dev); if (!info) return 0; dev_set_drvdata(&dev->dev, NULL); - if (info->mtd) { - if (OF_FLASH_PARTS(info)) { - del_mtd_partitions(info->mtd); - kfree(OF_FLASH_PARTS(info)); - } else { - del_mtd_device(info->mtd); - } - map_destroy(info->mtd); + if (info->cmtd != info->list[0].mtd) { + mtd_device_unregister(info->cmtd); + mtd_concat_destroy(info->cmtd); } - if (info->map.virt) - iounmap(info->map.virt); + if (info->cmtd) + mtd_device_unregister(info->cmtd); - if (info->res) { - release_resource(info->res); - kfree(info->res); - } + for (i = 0; i < info->list_size; i++) { + if (info->list[i].mtd) + map_destroy(info->list[i].mtd); + if (info->list[i].map.virt) + iounmap(info->list[i].map.virt); + + if (info->list[i].res) { + release_resource(info->list[i].res); + kfree(info->list[i].res); + } + } return 0; } +static const char * const rom_probe_types[] = { + "cfi_probe", "jedec_probe", "map_rom" }; + /* Helper function to handle probing of the obsolete "direct-mapped" * compatible binding, which has an extra "probe-type" property * describing the type of flash probe necessary. */ -static struct mtd_info * __devinit obsolete_probe(struct of_device *dev, - struct map_info *map) +static struct mtd_info *obsolete_probe(struct platform_device *dev, + struct map_info *map) { - struct device_node *dp = dev->node; + struct device_node *dp = dev->dev.of_node; const char *of_probe; struct mtd_info *mtd; - static const char *rom_probe_types[] - = { "cfi_probe", "jedec_probe", "map_rom"}; int i; dev_warn(&dev->dev, "Device tree uses obsolete \"direct-mapped\" " @@ -151,108 +107,215 @@ static struct mtd_info * __devinit obsolete_probe(struct of_device *dev, } } -static int __devinit of_flash_probe(struct of_device *dev, - const struct of_device_id *match) +/* When partitions are set we look for a linux,part-probe property which + specifies the list of partition probers to use. If none is given then the + default is use. These take precedence over other device tree + information. */ +static const char * const part_probe_types_def[] = { + "cmdlinepart", "RedBoot", "ofpart", "ofoldpart", NULL }; + +static const char * const *of_get_probes(struct device_node *dp) +{ + const char *cp; + int cplen; + unsigned int l; + unsigned int count; + const char **res; + + cp = of_get_property(dp, "linux,part-probe", &cplen); + if (cp == NULL) + return part_probe_types_def; + + count = 0; + for (l = 0; l != cplen; l++) + if (cp[l] == 0) + count++; + + res = kzalloc((count + 1)*sizeof(*res), GFP_KERNEL); + count = 0; + while (cplen > 0) { + res[count] = cp; + l = strlen(cp) + 1; + cp += l; + cplen -= l; + count++; + } + return res; +} + +static void of_free_probes(const char * const *probes) +{ + if (probes != part_probe_types_def) + kfree(probes); +} + +static struct of_device_id of_flash_match[]; +static int of_flash_probe(struct platform_device *dev) { -#ifdef CONFIG_MTD_PARTITIONS - static const char *part_probe_types[] - = { "cmdlinepart", "RedBoot", NULL }; -#endif - struct device_node *dp = dev->node; + const char * const *part_probe_types; + const struct of_device_id *match; + struct device_node *dp = dev->dev.of_node; struct resource res; struct of_flash *info; - const char *probe_type = match->data; - const u32 *width; + const char *probe_type; + const __be32 *width; int err; - - err = -ENXIO; - if (of_address_to_resource(dp, 0, &res)) { - dev_err(&dev->dev, "Can't get IO address from device tree\n"); - goto err_out; + int i; + int count; + const __be32 *p; + int reg_tuple_size; + struct mtd_info **mtd_list = NULL; + resource_size_t res_size; + struct mtd_part_parser_data ppdata; + bool map_indirect; + const char *mtd_name = NULL; + + match = of_match_device(of_flash_match, &dev->dev); + if (!match) + return -EINVAL; + probe_type = match->data; + + reg_tuple_size = (of_n_addr_cells(dp) + of_n_size_cells(dp)) * sizeof(u32); + + of_property_read_string(dp, "linux,mtd-name", &mtd_name); + + /* + * Get number of "reg" tuples. Scan for MTD devices on area's + * described by each "reg" region. This makes it possible (including + * the concat support) to support the Intel P30 48F4400 chips which + * consists internally of 2 non-identical NOR chips on one die. + */ + p = of_get_property(dp, "reg", &count); + if (count % reg_tuple_size != 0) { + dev_err(&dev->dev, "Malformed reg property on %s\n", + dev->dev.of_node->full_name); + err = -EINVAL; + goto err_flash_remove; } + count /= reg_tuple_size; - dev_dbg(&dev->dev, "of_flash device: %.8llx-%.8llx\n", - (unsigned long long)res.start, (unsigned long long)res.end); + map_indirect = of_property_read_bool(dp, "no-unaligned-direct-access"); err = -ENOMEM; - info = kzalloc(sizeof(*info), GFP_KERNEL); + info = devm_kzalloc(&dev->dev, + sizeof(struct of_flash) + + sizeof(struct of_flash_list) * count, GFP_KERNEL); if (!info) - goto err_out; + goto err_flash_remove; dev_set_drvdata(&dev->dev, info); - err = -EBUSY; - info->res = request_mem_region(res.start, res.end - res.start + 1, - dev_name(&dev->dev)); - if (!info->res) - goto err_out; + mtd_list = kzalloc(sizeof(*mtd_list) * count, GFP_KERNEL); + if (!mtd_list) + goto err_flash_remove; + + for (i = 0; i < count; i++) { + err = -ENXIO; + if (of_address_to_resource(dp, i, &res)) { + /* + * Continue with next register tuple if this + * one is not mappable + */ + continue; + } - err = -ENXIO; - width = of_get_property(dp, "bank-width", NULL); - if (!width) { - dev_err(&dev->dev, "Can't get bank width from device tree\n"); - goto err_out; - } + dev_dbg(&dev->dev, "of_flash device: %pR\n", &res); + + err = -EBUSY; + res_size = resource_size(&res); + info->list[i].res = request_mem_region(res.start, res_size, + dev_name(&dev->dev)); + if (!info->list[i].res) + goto err_out; + + err = -ENXIO; + width = of_get_property(dp, "bank-width", NULL); + if (!width) { + dev_err(&dev->dev, "Can't get bank width from device" + " tree\n"); + goto err_out; + } - info->map.name = dev_name(&dev->dev); - info->map.phys = res.start; - info->map.size = res.end - res.start + 1; - info->map.bankwidth = *width; + info->list[i].map.name = mtd_name ?: dev_name(&dev->dev); + info->list[i].map.phys = res.start; + info->list[i].map.size = res_size; + info->list[i].map.bankwidth = be32_to_cpup(width); + info->list[i].map.device_node = dp; + + err = -ENOMEM; + info->list[i].map.virt = ioremap(info->list[i].map.phys, + info->list[i].map.size); + if (!info->list[i].map.virt) { + dev_err(&dev->dev, "Failed to ioremap() flash" + " region\n"); + goto err_out; + } - err = -ENOMEM; - info->map.virt = ioremap(info->map.phys, info->map.size); - if (!info->map.virt) { - dev_err(&dev->dev, "Failed to ioremap() flash region\n"); - goto err_out; - } + simple_map_init(&info->list[i].map); + + /* + * On some platforms (e.g. MPC5200) a direct 1:1 mapping + * may cause problems with JFFS2 usage, as the local bus (LPB) + * doesn't support unaligned accesses as implemented in the + * JFFS2 code via memcpy(). By setting NO_XIP, the + * flash will not be exposed directly to the MTD users + * (e.g. JFFS2) any more. + */ + if (map_indirect) + info->list[i].map.phys = NO_XIP; + + if (probe_type) { + info->list[i].mtd = do_map_probe(probe_type, + &info->list[i].map); + } else { + info->list[i].mtd = obsolete_probe(dev, + &info->list[i].map); + } + mtd_list[i] = info->list[i].mtd; - simple_map_init(&info->map); + err = -ENXIO; + if (!info->list[i].mtd) { + dev_err(&dev->dev, "do_map_probe() failed\n"); + goto err_out; + } else { + info->list_size++; + } + info->list[i].mtd->owner = THIS_MODULE; + info->list[i].mtd->dev.parent = &dev->dev; + } - if (probe_type) - info->mtd = do_map_probe(probe_type, &info->map); - else - info->mtd = obsolete_probe(dev, &info->map); + err = 0; + info->cmtd = NULL; + if (info->list_size == 1) { + info->cmtd = info->list[0].mtd; + } else if (info->list_size > 1) { + /* + * We detected multiple devices. Concatenate them together. + */ + info->cmtd = mtd_concat_create(mtd_list, info->list_size, + dev_name(&dev->dev)); + } + if (info->cmtd == NULL) + err = -ENXIO; - err = -ENXIO; - if (!info->mtd) { - dev_err(&dev->dev, "do_map_probe() failed\n"); + if (err) goto err_out; - } - info->mtd->owner = THIS_MODULE; - info->mtd->dev.parent = &dev->dev; - -#ifdef CONFIG_MTD_PARTITIONS - /* First look for RedBoot table or partitions on the command - * line, these take precedence over device tree information */ - err = parse_mtd_partitions(info->mtd, part_probe_types, - &info->parts, 0); - if (err < 0) - return err; - -#ifdef CONFIG_MTD_OF_PARTS - if (err == 0) { - err = of_mtd_parse_partitions(&dev->dev, dp, &info->parts); - if (err < 0) - return err; - } -#endif - if (err == 0) { - err = parse_obsolete_partitions(dev, info, dp); - if (err < 0) - return err; - } + ppdata.of_node = dp; + part_probe_types = of_get_probes(dp); + mtd_device_parse_register(info->cmtd, part_probe_types, &ppdata, + NULL, 0); + of_free_probes(part_probe_types); - if (err > 0) - add_mtd_partitions(info->mtd, info->parts, err); - else -#endif - add_mtd_device(info->mtd); + kfree(mtd_list); return 0; err_out: + kfree(mtd_list); +err_flash_remove: of_flash_remove(dev); + return err; } @@ -273,6 +336,10 @@ static struct of_device_id of_flash_match[] = { .data = (void *)"jedec_probe", }, { + .compatible = "mtd-ram", + .data = (void *)"map_ram", + }, + { .type = "rom", .compatible = "direct-mapped" }, @@ -280,25 +347,17 @@ static struct of_device_id of_flash_match[] = { }; MODULE_DEVICE_TABLE(of, of_flash_match); -static struct of_platform_driver of_flash_driver = { - .name = "of-flash", - .match_table = of_flash_match, +static struct platform_driver of_flash_driver = { + .driver = { + .name = "of-flash", + .owner = THIS_MODULE, + .of_match_table = of_flash_match, + }, .probe = of_flash_probe, .remove = of_flash_remove, }; -static int __init of_flash_init(void) -{ - return of_register_platform_driver(&of_flash_driver); -} - -static void __exit of_flash_exit(void) -{ - of_unregister_platform_driver(&of_flash_driver); -} - -module_init(of_flash_init); -module_exit(of_flash_exit); +module_platform_driver(of_flash_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Vitaly Wool <vwool@ru.mvista.com>"); diff --git a/drivers/mtd/maps/pismo.c b/drivers/mtd/maps/pismo.c new file mode 100644 index 00000000000..dc6df9abea0 --- /dev/null +++ b/drivers/mtd/maps/pismo.c @@ -0,0 +1,292 @@ +/* + * PISMO memory driver - http://www.pismoworld.org/ + * + * For ARM Realview and Versatile platforms + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License. + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/slab.h> +#include <linux/platform_device.h> +#include <linux/spinlock.h> +#include <linux/mutex.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/plat-ram.h> +#include <linux/mtd/pismo.h> + +#define PISMO_NUM_CS 5 + +struct pismo_cs_block { + u8 type; + u8 width; + __le16 access; + __le32 size; + u32 reserved[2]; + char device[32]; +} __packed; + +struct pismo_eeprom { + struct pismo_cs_block cs[PISMO_NUM_CS]; + char board[15]; + u8 sum; +} __packed; + +struct pismo_mem { + phys_addr_t base; + u32 size; + u16 access; + u8 width; + u8 type; +}; + +struct pismo_data { + struct i2c_client *client; + void (*vpp)(void *, int); + void *vpp_data; + struct platform_device *dev[PISMO_NUM_CS]; +}; + +static void pismo_set_vpp(struct platform_device *pdev, int on) +{ + struct i2c_client *client = to_i2c_client(pdev->dev.parent); + struct pismo_data *pismo = i2c_get_clientdata(client); + + pismo->vpp(pismo->vpp_data, on); +} + +static unsigned int pismo_width_to_bytes(unsigned int width) +{ + width &= 15; + if (width > 2) + return 0; + return 1 << width; +} + +static int pismo_eeprom_read(struct i2c_client *client, void *buf, u8 addr, + size_t size) +{ + int ret; + struct i2c_msg msg[] = { + { + .addr = client->addr, + .len = sizeof(addr), + .buf = &addr, + }, { + .addr = client->addr, + .flags = I2C_M_RD, + .len = size, + .buf = buf, + }, + }; + + ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg)); + + return ret == ARRAY_SIZE(msg) ? size : -EIO; +} + +static int pismo_add_device(struct pismo_data *pismo, int i, + struct pismo_mem *region, const char *name, + void *pdata, size_t psize) +{ + struct platform_device *dev; + struct resource res = { }; + phys_addr_t base = region->base; + int ret; + + if (base == ~0) + return -ENXIO; + + res.start = base; + res.end = base + region->size - 1; + res.flags = IORESOURCE_MEM; + + dev = platform_device_alloc(name, i); + if (!dev) + return -ENOMEM; + dev->dev.parent = &pismo->client->dev; + + do { + ret = platform_device_add_resources(dev, &res, 1); + if (ret) + break; + + ret = platform_device_add_data(dev, pdata, psize); + if (ret) + break; + + ret = platform_device_add(dev); + if (ret) + break; + + pismo->dev[i] = dev; + return 0; + } while (0); + + platform_device_put(dev); + return ret; +} + +static int pismo_add_nor(struct pismo_data *pismo, int i, + struct pismo_mem *region) +{ + struct physmap_flash_data data = { + .width = region->width, + }; + + if (pismo->vpp) + data.set_vpp = pismo_set_vpp; + + return pismo_add_device(pismo, i, region, "physmap-flash", + &data, sizeof(data)); +} + +static int pismo_add_sram(struct pismo_data *pismo, int i, + struct pismo_mem *region) +{ + struct platdata_mtd_ram data = { + .bankwidth = region->width, + }; + + return pismo_add_device(pismo, i, region, "mtd-ram", + &data, sizeof(data)); +} + +static void pismo_add_one(struct pismo_data *pismo, int i, + const struct pismo_cs_block *cs, phys_addr_t base) +{ + struct device *dev = &pismo->client->dev; + struct pismo_mem region; + + region.base = base; + region.type = cs->type; + region.width = pismo_width_to_bytes(cs->width); + region.access = le16_to_cpu(cs->access); + region.size = le32_to_cpu(cs->size); + + if (region.width == 0) { + dev_err(dev, "cs%u: bad width: %02x, ignoring\n", i, cs->width); + return; + } + + /* + * FIXME: may need to the platforms memory controller here, but at + * the moment we assume that it has already been correctly setup. + * The memory controller can also tell us the base address as well. + */ + + dev_info(dev, "cs%u: %.32s: type %02x access %u00ps size %uK\n", + i, cs->device, region.type, region.access, region.size / 1024); + + switch (region.type) { + case 0: + break; + case 1: + /* static DOC */ + break; + case 2: + /* static NOR */ + pismo_add_nor(pismo, i, ®ion); + break; + case 3: + /* static RAM */ + pismo_add_sram(pismo, i, ®ion); + break; + } +} + +static int pismo_remove(struct i2c_client *client) +{ + struct pismo_data *pismo = i2c_get_clientdata(client); + int i; + + for (i = 0; i < ARRAY_SIZE(pismo->dev); i++) + platform_device_unregister(pismo->dev[i]); + + kfree(pismo); + + return 0; +} + +static int pismo_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); + struct pismo_pdata *pdata = client->dev.platform_data; + struct pismo_eeprom eeprom; + struct pismo_data *pismo; + int ret, i; + + if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) { + dev_err(&client->dev, "functionality mismatch\n"); + return -EIO; + } + + pismo = kzalloc(sizeof(*pismo), GFP_KERNEL); + if (!pismo) + return -ENOMEM; + + pismo->client = client; + if (pdata) { + pismo->vpp = pdata->set_vpp; + pismo->vpp_data = pdata->vpp_data; + } + i2c_set_clientdata(client, pismo); + + ret = pismo_eeprom_read(client, &eeprom, 0, sizeof(eeprom)); + if (ret < 0) { + dev_err(&client->dev, "error reading EEPROM: %d\n", ret); + goto exit_free; + } + + dev_info(&client->dev, "%.15s board found\n", eeprom.board); + + for (i = 0; i < ARRAY_SIZE(eeprom.cs); i++) + if (eeprom.cs[i].type != 0xff) + pismo_add_one(pismo, i, &eeprom.cs[i], + pdata->cs_addrs[i]); + + return 0; + + exit_free: + kfree(pismo); + return ret; +} + +static const struct i2c_device_id pismo_id[] = { + { "pismo" }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, pismo_id); + +static struct i2c_driver pismo_driver = { + .driver = { + .name = "pismo", + .owner = THIS_MODULE, + }, + .probe = pismo_probe, + .remove = pismo_remove, + .id_table = pismo_id, +}; + +static int __init pismo_init(void) +{ + BUILD_BUG_ON(sizeof(struct pismo_cs_block) != 48); + BUILD_BUG_ON(sizeof(struct pismo_eeprom) != 256); + + return i2c_add_driver(&pismo_driver); +} +module_init(pismo_init); + +static void __exit pismo_exit(void) +{ + i2c_del_driver(&pismo_driver); +} +module_exit(pismo_exit); + +MODULE_AUTHOR("Russell King <linux@arm.linux.org.uk>"); +MODULE_DESCRIPTION("PISMO memory driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c index 49c9ece7647..d597e89f269 100644 --- a/drivers/mtd/maps/plat-ram.c +++ b/drivers/mtd/maps/plat-ram.c @@ -4,7 +4,7 @@ * http://www.simtec.co.uk/products/SWLINUX/ * Ben Dooks <ben@simtec.co.uk> * - * Generic platfrom device based RAM map + * Generic platform device based RAM map * * 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 @@ -23,7 +23,6 @@ #include <linux/module.h> #include <linux/types.h> -#include <linux/init.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/ioport.h> @@ -44,8 +43,6 @@ struct platram_info { struct device *dev; struct mtd_info *mtd; struct map_info map; - struct mtd_partition *partitions; - bool free_partitions; struct resource *area; struct platdata_mtd_ram *pdata; }; @@ -57,7 +54,7 @@ struct platram_info { static inline struct platram_info *to_platram_info(struct platform_device *dev) { - return (struct platram_info *)platform_get_drvdata(dev); + return platform_get_drvdata(dev); } /* platram_setrw @@ -86,22 +83,13 @@ static int platram_remove(struct platform_device *pdev) { struct platram_info *info = to_platram_info(pdev); - platform_set_drvdata(pdev, NULL); - dev_dbg(&pdev->dev, "removing device\n"); if (info == NULL) return 0; if (info->mtd) { -#ifdef CONFIG_MTD_PARTITIONS - if (info->partitions) { - del_mtd_partitions(info->mtd); - if (info->free_partitions) - kfree(info->partitions); - } -#endif - del_mtd_device(info->mtd); + mtd_device_unregister(info->mtd); map_destroy(info->mtd); } @@ -139,17 +127,16 @@ static int platram_probe(struct platform_device *pdev) dev_dbg(&pdev->dev, "probe entered\n"); - if (pdev->dev.platform_data == NULL) { + if (dev_get_platdata(&pdev->dev) == NULL) { dev_err(&pdev->dev, "no platform data supplied\n"); err = -ENOENT; goto exit_error; } - pdata = pdev->dev.platform_data; + pdata = dev_get_platdata(&pdev->dev); info = kzalloc(sizeof(*info), GFP_KERNEL); if (info == NULL) { - dev_err(&pdev->dev, "no memory for flash info\n"); err = -ENOMEM; goto exit_error; } @@ -175,7 +162,7 @@ static int platram_probe(struct platform_device *pdev) /* setup map parameters */ info->map.phys = res->start; - info->map.size = (res->end - res->start) + 1; + info->map.size = resource_size(res); info->map.name = pdata->mapname != NULL ? (char *)pdata->mapname : (char *)pdev->name; info->map.bankwidth = pdata->bankwidth; @@ -208,7 +195,7 @@ static int platram_probe(struct platform_device *pdev) * supplied by the platform_data struct */ if (pdata->map_probes) { - const char **map_probes = pdata->map_probes; + const char * const *map_probes = pdata->map_probes; for ( ; !info->mtd && *map_probes; map_probes++) info->mtd = do_map_probe(*map_probes , &info->map); @@ -228,35 +215,24 @@ static int platram_probe(struct platform_device *pdev) platram_setrw(info, PLATRAM_RW); - /* check to see if there are any available partitions, or wether + /* check to see if there are any available partitions, or whether * to add this device whole */ -#ifdef CONFIG_MTD_PARTITIONS - if (!pdata->nr_partitions) { - /* try to probe using the supplied probe type */ - if (pdata->probes) { - err = parse_mtd_partitions(info->mtd, pdata->probes, - &info->partitions, 0); - info->free_partitions = 1; - if (err > 0) - err = add_mtd_partitions(info->mtd, - info->partitions, err); - } - } - /* use the static mapping */ - else - err = add_mtd_partitions(info->mtd, pdata->partitions, - pdata->nr_partitions); -#endif /* CONFIG_MTD_PARTITIONS */ - - if (add_mtd_device(info->mtd)) { - dev_err(&pdev->dev, "add_mtd_device() failed\n"); - err = -ENOMEM; - } - + err = mtd_device_parse_register(info->mtd, pdata->probes, NULL, + pdata->partitions, + pdata->nr_partitions); if (!err) dev_info(&pdev->dev, "registered mtd device\n"); + if (pdata->nr_partitions) { + /* add the whole device. */ + err = mtd_device_register(info->mtd, NULL, 0); + if (err) { + dev_err(&pdev->dev, + "failed to register the entire device\n"); + } + } + return err; exit_free: @@ -279,21 +255,7 @@ static struct platform_driver platram_driver = { }, }; -/* module init/exit */ - -static int __init platram_init(void) -{ - printk("Generic platform RAM MTD, (c) 2004 Simtec Electronics\n"); - return platform_driver_register(&platram_driver); -} - -static void __exit platram_exit(void) -{ - platform_driver_unregister(&platram_driver); -} - -module_init(platram_init); -module_exit(platram_exit); +module_platform_driver(platram_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); diff --git a/drivers/mtd/maps/pmcmsp-flash.c b/drivers/mtd/maps/pmcmsp-flash.c index 4768bd5459d..744ca5cacc9 100644 --- a/drivers/mtd/maps/pmcmsp-flash.c +++ b/drivers/mtd/maps/pmcmsp-flash.c @@ -3,7 +3,7 @@ * Config with both CFI and JEDEC device support. * * Basically physmap.c with the addition of partitions and - * an array of mapping info to accomodate more than one flash type per board. + * an array of mapping info to accommodate more than one flash type per board. * * Copyright 2005-2007 PMC-Sierra, Inc. * @@ -28,6 +28,7 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/slab.h> #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> @@ -50,7 +51,7 @@ static int fcnt; static int __init init_msp_flash(void) { - int i, j; + int i, j, ret = -ENOMEM; int offset, coff; char *env; int pcnt; @@ -75,14 +76,16 @@ static int __init init_msp_flash(void) printk(KERN_NOTICE "Found %d PMC flash devices\n", fcnt); msp_flash = kmalloc(fcnt * sizeof(struct map_info *), GFP_KERNEL); + if (!msp_flash) + return -ENOMEM; + msp_parts = kmalloc(fcnt * sizeof(struct mtd_partition *), GFP_KERNEL); + if (!msp_parts) + goto free_msp_flash; + msp_maps = kcalloc(fcnt, sizeof(struct mtd_info), GFP_KERNEL); - if (!msp_flash || !msp_parts || !msp_maps) { - kfree(msp_maps); - kfree(msp_parts); - kfree(msp_flash); - return -ENOMEM; - } + if (!msp_maps) + goto free_msp_parts; /* loop over the flash devices, initializing each */ for (i = 0; i < fcnt; i++) { @@ -100,13 +103,18 @@ static int __init init_msp_flash(void) msp_parts[i] = kcalloc(pcnt, sizeof(struct mtd_partition), GFP_KERNEL); + if (!msp_parts[i]) + goto cleanup_loop; /* now initialize the devices proper */ flash_name[5] = '0' + i; env = prom_getenv(flash_name); - if (sscanf(env, "%x:%x", &addr, &size) < 2) - return -ENXIO; + if (sscanf(env, "%x:%x", &addr, &size) < 2) { + ret = -ENXIO; + kfree(msp_parts[i]); + goto cleanup_loop; + } addr = CPHYSADDR(addr); printk(KERN_NOTICE @@ -122,13 +130,23 @@ static int __init init_msp_flash(void) */ if (size > CONFIG_MSP_FLASH_MAP_LIMIT) size = CONFIG_MSP_FLASH_MAP_LIMIT; + msp_maps[i].virt = ioremap(addr, size); + if (msp_maps[i].virt == NULL) { + ret = -ENXIO; + kfree(msp_parts[i]); + goto cleanup_loop; + } + msp_maps[i].bankwidth = 1; - msp_maps[i].name = strncpy(kmalloc(7, GFP_KERNEL), - flash_name, 7); + msp_maps[i].name = kmalloc(7, GFP_KERNEL); + if (!msp_maps[i].name) { + iounmap(msp_maps[i].virt); + kfree(msp_parts[i]); + goto cleanup_loop; + } - if (msp_maps[i].virt == NULL) - return -ENXIO; + msp_maps[i].name = strncpy(msp_maps[i].name, flash_name, 7); for (j = 0; j < pcnt; j++) { part_name[5] = '0' + i; @@ -136,8 +154,14 @@ static int __init init_msp_flash(void) env = prom_getenv(part_name); - if (sscanf(env, "%x:%x:%n", &offset, &size, &coff) < 2) - return -ENXIO; + if (sscanf(env, "%x:%x:%n", &offset, &size, + &coff) < 2) { + ret = -ENXIO; + kfree(msp_maps[i].name); + iounmap(msp_maps[i].virt); + kfree(msp_parts[i]); + goto cleanup_loop; + } msp_parts[i][j].size = size; msp_parts[i][j].offset = offset; @@ -149,22 +173,41 @@ static int __init init_msp_flash(void) msp_flash[i] = do_map_probe("cfi_probe", &msp_maps[i]); if (msp_flash[i]) { msp_flash[i]->owner = THIS_MODULE; - add_mtd_partitions(msp_flash[i], msp_parts[i], pcnt); + mtd_device_register(msp_flash[i], msp_parts[i], pcnt); } else { printk(KERN_ERR "map probe failed for flash\n"); - return -ENXIO; + ret = -ENXIO; + kfree(msp_maps[i].name); + iounmap(msp_maps[i].virt); + kfree(msp_parts[i]); + goto cleanup_loop; } } return 0; + +cleanup_loop: + while (i--) { + mtd_device_unregister(msp_flash[i]); + map_destroy(msp_flash[i]); + kfree(msp_maps[i].name); + iounmap(msp_maps[i].virt); + kfree(msp_parts[i]); + } + kfree(msp_maps); +free_msp_parts: + kfree(msp_parts); +free_msp_flash: + kfree(msp_flash); + return ret; } static void __exit cleanup_msp_flash(void) { int i; - for (i = 0; i < sizeof(msp_flash) / sizeof(struct mtd_info **); i++) { - del_mtd_partitions(msp_flash[i]); + for (i = 0; i < fcnt; i++) { + mtd_device_unregister(msp_flash[i]); map_destroy(msp_flash[i]); iounmap((void *)msp_maps[i].virt); diff --git a/drivers/mtd/maps/pmcmsp-ramroot.c b/drivers/mtd/maps/pmcmsp-ramroot.c deleted file mode 100644 index 30de5c0c09a..00000000000 --- a/drivers/mtd/maps/pmcmsp-ramroot.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * Mapping of the rootfs in a physical region of memory - * - * Copyright (C) 2005-2007 PMC-Sierra Inc. - * Author: Andrew Hughes, Andrew_Hughes@pmc-sierra.com - * - * 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 <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/fs.h> -#include <linux/root_dev.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> - -#include <asm/io.h> - -#include <msp_prom.h> - -static struct mtd_info *rr_mtd; - -struct map_info rr_map = { - .name = "ramroot", - .bankwidth = 4, -}; - -static int __init init_rrmap(void) -{ - void *ramroot_start; - unsigned long ramroot_size; - - /* Check for supported rootfs types */ - if (get_ramroot(&ramroot_start, &ramroot_size)) { - rr_map.phys = CPHYSADDR(ramroot_start); - rr_map.size = ramroot_size; - - printk(KERN_NOTICE - "PMC embedded root device: 0x%08lx @ 0x%08lx\n", - rr_map.size, (unsigned long)rr_map.phys); - } else { - printk(KERN_ERR - "init_rrmap: no supported embedded rootfs detected!\n"); - return -ENXIO; - } - - /* Map rootfs to I/O space for block device driver */ - rr_map.virt = ioremap(rr_map.phys, rr_map.size); - if (!rr_map.virt) { - printk(KERN_ERR "Failed to ioremap\n"); - return -EIO; - } - - simple_map_init(&rr_map); - - rr_mtd = do_map_probe("map_ram", &rr_map); - if (rr_mtd) { - rr_mtd->owner = THIS_MODULE; - - add_mtd_device(rr_mtd); - - return 0; - } - - iounmap(rr_map.virt); - return -ENXIO; -} - -static void __exit cleanup_rrmap(void) -{ - del_mtd_device(rr_mtd); - map_destroy(rr_mtd); - - iounmap(rr_map.virt); - rr_map.virt = NULL; -} - -MODULE_AUTHOR("PMC-Sierra, Inc"); -MODULE_DESCRIPTION("MTD map driver for embedded PMC-Sierra MSP filesystem"); -MODULE_LICENSE("GPL"); - -module_init(init_rrmap); -module_exit(cleanup_rrmap); diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c index 572d32fdf38..cb4d92eea9f 100644 --- a/drivers/mtd/maps/pxa2xx-flash.c +++ b/drivers/mtd/maps/pxa2xx-flash.c @@ -11,8 +11,8 @@ #include <linux/module.h> #include <linux/types.h> +#include <linux/slab.h> #include <linux/kernel.h> -#include <linux/init.h> #include <linux/platform_device.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> @@ -20,50 +20,50 @@ #include <asm/io.h> #include <mach/hardware.h> -#include <asm/cacheflush.h> #include <asm/mach/flash.h> +#define CACHELINESIZE 32 + static void pxa2xx_map_inval_cache(struct map_info *map, unsigned long from, ssize_t len) { - flush_ioremap_region(map->phys, map->cached, from, len); + unsigned long start = (unsigned long)map->cached + from; + unsigned long end = start + len; + + start &= ~(CACHELINESIZE - 1); + while (start < end) { + /* invalidate D cache line */ + asm volatile ("mcr p15, 0, %0, c7, c6, 1" : : "r" (start)); + start += CACHELINESIZE; + } } struct pxa2xx_flash_info { - struct mtd_partition *parts; - int nr_parts; struct mtd_info *mtd; struct map_info map; }; +static const char * const probes[] = { "RedBoot", "cmdlinepart", NULL }; -static const char *probes[] = { "RedBoot", "cmdlinepart", NULL }; - - -static int __init pxa2xx_flash_probe(struct platform_device *pdev) +static int pxa2xx_flash_probe(struct platform_device *pdev) { - struct flash_platform_data *flash = pdev->dev.platform_data; + struct flash_platform_data *flash = dev_get_platdata(&pdev->dev); struct pxa2xx_flash_info *info; - struct mtd_partition *parts; struct resource *res; - int ret = 0; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) return -ENODEV; - info = kmalloc(sizeof(struct pxa2xx_flash_info), GFP_KERNEL); + info = kzalloc(sizeof(struct pxa2xx_flash_info), GFP_KERNEL); if (!info) return -ENOMEM; - memset(info, 0, sizeof(struct pxa2xx_flash_info)); - info->map.name = (char *) flash->name; + info->map.name = flash->name; info->map.bankwidth = flash->width; info->map.phys = res->start; - info->map.size = res->end - res->start + 1; - info->parts = flash->parts; - info->nr_parts = flash->nr_parts; + info->map.size = resource_size(res); info->map.virt = ioremap(info->map.phys, info->map.size); if (!info->map.virt) { @@ -72,7 +72,7 @@ static int __init pxa2xx_flash_probe(struct platform_device *pdev) return -ENOMEM; } info->map.cached = - ioremap_cached(info->map.phys, info->map.size); + ioremap_cache(info->map.phys, info->map.size); if (!info->map.cached) printk(KERN_WARNING "Failed to ioremap cached %s\n", info->map.name); @@ -95,79 +95,36 @@ static int __init pxa2xx_flash_probe(struct platform_device *pdev) } info->mtd->owner = THIS_MODULE; -#ifdef CONFIG_MTD_PARTITIONS - ret = parse_mtd_partitions(info->mtd, probes, &parts, 0); - - if (ret > 0) { - info->nr_parts = ret; - info->parts = parts; - } -#endif - - if (info->nr_parts) { - add_mtd_partitions(info->mtd, info->parts, - info->nr_parts); - } else { - printk("Registering %s as whole device\n", - info->map.name); - add_mtd_device(info->mtd); - } + mtd_device_parse_register(info->mtd, probes, NULL, flash->parts, + flash->nr_parts); platform_set_drvdata(pdev, info); return 0; } -static int __devexit pxa2xx_flash_remove(struct platform_device *dev) +static int pxa2xx_flash_remove(struct platform_device *dev) { struct pxa2xx_flash_info *info = platform_get_drvdata(dev); - platform_set_drvdata(dev, NULL); - -#ifdef CONFIG_MTD_PARTITIONS - if (info->nr_parts) - del_mtd_partitions(info->mtd); - else -#endif - del_mtd_device(info->mtd); + mtd_device_unregister(info->mtd); map_destroy(info->mtd); iounmap(info->map.virt); if (info->map.cached) iounmap(info->map.cached); - kfree(info->parts); kfree(info); return 0; } #ifdef CONFIG_PM -static int pxa2xx_flash_suspend(struct platform_device *dev, pm_message_t state) -{ - struct pxa2xx_flash_info *info = platform_get_drvdata(dev); - int ret = 0; - - if (info->mtd && info->mtd->suspend) - ret = info->mtd->suspend(info->mtd); - return ret; -} - -static int pxa2xx_flash_resume(struct platform_device *dev) -{ - struct pxa2xx_flash_info *info = platform_get_drvdata(dev); - - if (info->mtd && info->mtd->resume) - info->mtd->resume(info->mtd); - return 0; -} static void pxa2xx_flash_shutdown(struct platform_device *dev) { struct pxa2xx_flash_info *info = platform_get_drvdata(dev); - if (info && info->mtd->suspend(info->mtd) == 0) - info->mtd->resume(info->mtd); + if (info && mtd_suspend(info->mtd) == 0) + mtd_resume(info->mtd); } #else -#define pxa2xx_flash_suspend NULL -#define pxa2xx_flash_resume NULL #define pxa2xx_flash_shutdown NULL #endif @@ -177,25 +134,12 @@ static struct platform_driver pxa2xx_flash_driver = { .owner = THIS_MODULE, }, .probe = pxa2xx_flash_probe, - .remove = __devexit_p(pxa2xx_flash_remove), - .suspend = pxa2xx_flash_suspend, - .resume = pxa2xx_flash_resume, + .remove = pxa2xx_flash_remove, .shutdown = pxa2xx_flash_shutdown, }; -static int __init init_pxa2xx_flash(void) -{ - return platform_driver_register(&pxa2xx_flash_driver); -} - -static void __exit cleanup_pxa2xx_flash(void) -{ - platform_driver_unregister(&pxa2xx_flash_driver); -} - -module_init(init_pxa2xx_flash); -module_exit(cleanup_pxa2xx_flash); +module_platform_driver(pxa2xx_flash_driver); MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Nicolas Pitre <nico@cam.org>"); +MODULE_AUTHOR("Nicolas Pitre <nico@fluxnic.net>"); MODULE_DESCRIPTION("MTD map driver for Intel XScale PXA2xx"); diff --git a/drivers/mtd/maps/rbtx4939-flash.c b/drivers/mtd/maps/rbtx4939-flash.c index d39f0adac84..146b6047ed2 100644 --- a/drivers/mtd/maps/rbtx4939-flash.c +++ b/drivers/mtd/maps/rbtx4939-flash.c @@ -13,7 +13,6 @@ #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> -#include <linux/init.h> #include <linux/slab.h> #include <linux/device.h> #include <linux/platform_device.h> @@ -25,10 +24,6 @@ struct rbtx4939_flash_info { struct mtd_info *mtd; struct map_info map; -#ifdef CONFIG_MTD_PARTITIONS - int nr_parts; - struct mtd_partition *parts; -#endif }; static int rbtx4939_flash_remove(struct platform_device *dev) @@ -38,42 +33,29 @@ static int rbtx4939_flash_remove(struct platform_device *dev) info = platform_get_drvdata(dev); if (!info) return 0; - platform_set_drvdata(dev, NULL); if (info->mtd) { -#ifdef CONFIG_MTD_PARTITIONS - struct rbtx4939_flash_data *pdata = dev->dev.platform_data; - - if (info->nr_parts) { - del_mtd_partitions(info->mtd); - kfree(info->parts); - } else if (pdata->nr_parts) - del_mtd_partitions(info->mtd); - else - del_mtd_device(info->mtd); -#else - del_mtd_device(info->mtd); -#endif + struct rbtx4939_flash_data *pdata = dev_get_platdata(&dev->dev); + + mtd_device_unregister(info->mtd); map_destroy(info->mtd); } return 0; } -static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", NULL }; -#ifdef CONFIG_MTD_PARTITIONS -static const char *part_probe_types[] = { "cmdlinepart", NULL }; -#endif +static const char * const rom_probe_types[] = { + "cfi_probe", "jedec_probe", NULL }; static int rbtx4939_flash_probe(struct platform_device *dev) { struct rbtx4939_flash_data *pdata; struct rbtx4939_flash_info *info; struct resource *res; - const char **probe_type; + const char * const *probe_type; int err = 0; unsigned long size; - pdata = dev->dev.platform_data; + pdata = dev_get_platdata(&dev->dev); if (!pdata) return -ENODEV; @@ -117,26 +99,11 @@ static int rbtx4939_flash_probe(struct platform_device *dev) goto err_out; } info->mtd->owner = THIS_MODULE; + err = mtd_device_parse_register(info->mtd, NULL, NULL, pdata->parts, + pdata->nr_parts); + if (err) goto err_out; - -#ifdef CONFIG_MTD_PARTITIONS - err = parse_mtd_partitions(info->mtd, part_probe_types, - &info->parts, 0); - if (err > 0) { - add_mtd_partitions(info->mtd, info->parts, err); - info->nr_parts = err; - return 0; - } - - if (pdata->nr_parts) { - pr_notice("Using rbtx4939 partition information\n"); - add_mtd_partitions(info->mtd, pdata->parts, pdata->nr_parts); - return 0; - } -#endif - - add_mtd_device(info->mtd); return 0; err_out: @@ -145,44 +112,20 @@ err_out: } #ifdef CONFIG_PM -static int rbtx4939_flash_suspend(struct platform_device *dev, - pm_message_t state) -{ - struct rbtx4939_flash_info *info = platform_get_drvdata(dev); - - if (info->mtd->suspend) - return info->mtd->suspend(info->mtd); - return 0; -} - -static int rbtx4939_flash_resume(struct platform_device *dev) -{ - struct rbtx4939_flash_info *info = platform_get_drvdata(dev); - - if (info->mtd->resume) - info->mtd->resume(info->mtd); - return 0; -} - static void rbtx4939_flash_shutdown(struct platform_device *dev) { struct rbtx4939_flash_info *info = platform_get_drvdata(dev); - if (info->mtd->suspend && info->mtd->resume) - if (info->mtd->suspend(info->mtd) == 0) - info->mtd->resume(info->mtd); + if (mtd_suspend(info->mtd) == 0) + mtd_resume(info->mtd); } #else -#define rbtx4939_flash_suspend NULL -#define rbtx4939_flash_resume NULL #define rbtx4939_flash_shutdown NULL #endif static struct platform_driver rbtx4939_flash_driver = { .probe = rbtx4939_flash_probe, .remove = rbtx4939_flash_remove, - .suspend = rbtx4939_flash_suspend, - .resume = rbtx4939_flash_resume, .shutdown = rbtx4939_flash_shutdown, .driver = { .name = "rbtx4939-flash", @@ -190,18 +133,7 @@ static struct platform_driver rbtx4939_flash_driver = { }, }; -static int __init rbtx4939_flash_init(void) -{ - return platform_driver_register(&rbtx4939_flash_driver); -} - -static void __exit rbtx4939_flash_exit(void) -{ - platform_driver_unregister(&rbtx4939_flash_driver); -} - -module_init(rbtx4939_flash_init); -module_exit(rbtx4939_flash_exit); +module_platform_driver(rbtx4939_flash_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("RBTX4939 MTD map driver"); diff --git a/drivers/mtd/maps/redwood.c b/drivers/mtd/maps/redwood.c deleted file mode 100644 index 933c0b63b01..00000000000 --- a/drivers/mtd/maps/redwood.c +++ /dev/null @@ -1,174 +0,0 @@ -/* - * drivers/mtd/maps/redwood.c - * - * FLASH map for the IBM Redwood 4/5/6 boards. - * - * Author: MontaVista Software, Inc. <source@mvista.com> - * - * 2001-2003 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#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> - -#if !defined (CONFIG_REDWOOD_6) - -#define WINDOW_ADDR 0xffc00000 -#define WINDOW_SIZE 0x00400000 - -#define RW_PART0_OF 0 -#define RW_PART0_SZ 0x10000 -#define RW_PART1_OF RW_PART0_SZ -#define RW_PART1_SZ 0x200000 - 0x10000 -#define RW_PART2_OF 0x200000 -#define RW_PART2_SZ 0x10000 -#define RW_PART3_OF 0x210000 -#define RW_PART3_SZ 0x200000 - (0x10000 + 0x20000) -#define RW_PART4_OF 0x3e0000 -#define RW_PART4_SZ 0x20000 - -static struct mtd_partition redwood_flash_partitions[] = { - { - .name = "Redwood OpenBIOS Vital Product Data", - .offset = RW_PART0_OF, - .size = RW_PART0_SZ, - .mask_flags = MTD_WRITEABLE /* force read-only */ - }, - { - .name = "Redwood kernel", - .offset = RW_PART1_OF, - .size = RW_PART1_SZ - }, - { - .name = "Redwood OpenBIOS non-volatile storage", - .offset = RW_PART2_OF, - .size = RW_PART2_SZ, - .mask_flags = MTD_WRITEABLE /* force read-only */ - }, - { - .name = "Redwood filesystem", - .offset = RW_PART3_OF, - .size = RW_PART3_SZ - }, - { - .name = "Redwood OpenBIOS", - .offset = RW_PART4_OF, - .size = RW_PART4_SZ, - .mask_flags = MTD_WRITEABLE /* force read-only */ - } -}; - -#else /* CONFIG_REDWOOD_6 */ -/* FIXME: the window is bigger - armin */ -#define WINDOW_ADDR 0xff800000 -#define WINDOW_SIZE 0x00800000 - -#define RW_PART0_OF 0 -#define RW_PART0_SZ 0x400000 /* 4 MiB data */ -#define RW_PART1_OF RW_PART0_OF + RW_PART0_SZ -#define RW_PART1_SZ 0x10000 /* 64K VPD */ -#define RW_PART2_OF RW_PART1_OF + RW_PART1_SZ -#define RW_PART2_SZ 0x400000 - (0x10000 + 0x20000) -#define RW_PART3_OF RW_PART2_OF + RW_PART2_SZ -#define RW_PART3_SZ 0x20000 - -static struct mtd_partition redwood_flash_partitions[] = { - { - .name = "Redwood filesystem", - .offset = RW_PART0_OF, - .size = RW_PART0_SZ - }, - { - .name = "Redwood OpenBIOS Vital Product Data", - .offset = RW_PART1_OF, - .size = RW_PART1_SZ, - .mask_flags = MTD_WRITEABLE /* force read-only */ - }, - { - .name = "Redwood kernel", - .offset = RW_PART2_OF, - .size = RW_PART2_SZ - }, - { - .name = "Redwood OpenBIOS", - .offset = RW_PART3_OF, - .size = RW_PART3_SZ, - .mask_flags = MTD_WRITEABLE /* force read-only */ - } -}; - -#endif /* CONFIG_REDWOOD_6 */ - -struct map_info redwood_flash_map = { - .name = "IBM Redwood", - .size = WINDOW_SIZE, - .bankwidth = 2, - .phys = WINDOW_ADDR, -}; - - -#define NUM_REDWOOD_FLASH_PARTITIONS ARRAY_SIZE(redwood_flash_partitions) - -static struct mtd_info *redwood_mtd; - -static int __init init_redwood_flash(void) -{ - int err; - - printk(KERN_NOTICE "redwood: flash mapping: %x at %x\n", - WINDOW_SIZE, WINDOW_ADDR); - - redwood_flash_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE); - - if (!redwood_flash_map.virt) { - printk("init_redwood_flash: failed to ioremap\n"); - return -EIO; - } - simple_map_init(&redwood_flash_map); - - redwood_mtd = do_map_probe("cfi_probe",&redwood_flash_map); - - if (redwood_mtd) { - redwood_mtd->owner = THIS_MODULE; - err = add_mtd_partitions(redwood_mtd, - redwood_flash_partitions, - NUM_REDWOOD_FLASH_PARTITIONS); - if (err) { - printk("init_redwood_flash: add_mtd_partitions failed\n"); - iounmap(redwood_flash_map.virt); - } - return err; - - } - - iounmap(redwood_flash_map.virt); - return -ENXIO; -} - -static void __exit cleanup_redwood_flash(void) -{ - if (redwood_mtd) { - del_mtd_partitions(redwood_mtd); - /* moved iounmap after map_destroy - armin */ - map_destroy(redwood_mtd); - iounmap((void *)redwood_flash_map.virt); - } -} - -module_init(init_redwood_flash); -module_exit(cleanup_redwood_flash); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("MontaVista Software <source@mvista.com>"); -MODULE_DESCRIPTION("MTD map driver for the IBM Redwood reference boards"); diff --git a/drivers/mtd/maps/rpxlite.c b/drivers/mtd/maps/rpxlite.c deleted file mode 100644 index 3e3ef53d4fd..00000000000 --- a/drivers/mtd/maps/rpxlite.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Handle mapping of the flash on the RPX Lite and CLLF boards - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <asm/io.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> - - -#define WINDOW_ADDR 0xfe000000 -#define WINDOW_SIZE 0x800000 - -static struct mtd_info *mymtd; - -static struct map_info rpxlite_map = { - .name = "RPX", - .size = WINDOW_SIZE, - .bankwidth = 4, - .phys = WINDOW_ADDR, -}; - -static int __init init_rpxlite(void) -{ - printk(KERN_NOTICE "RPX Lite or CLLF flash device: %x at %x\n", WINDOW_SIZE*4, WINDOW_ADDR); - rpxlite_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE * 4); - - if (!rpxlite_map.virt) { - printk("Failed to ioremap\n"); - return -EIO; - } - simple_map_init(&rpxlite_map); - mymtd = do_map_probe("cfi_probe", &rpxlite_map); - if (mymtd) { - mymtd->owner = THIS_MODULE; - add_mtd_device(mymtd); - return 0; - } - - iounmap((void *)rpxlite_map.virt); - return -ENXIO; -} - -static void __exit cleanup_rpxlite(void) -{ - if (mymtd) { - del_mtd_device(mymtd); - map_destroy(mymtd); - } - if (rpxlite_map.virt) { - iounmap((void *)rpxlite_map.virt); - rpxlite_map.virt = 0; - } -} - -module_init(init_rpxlite); -module_exit(cleanup_rpxlite); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Arnold Christensen <AKC@pel.dk>"); -MODULE_DESCRIPTION("MTD map driver for RPX Lite and CLLF boards"); diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c index 05e9362dc7f..8fc06bf111c 100644 --- a/drivers/mtd/maps/sa1100-flash.c +++ b/drivers/mtd/maps/sa1100-flash.c @@ -1,7 +1,7 @@ /* * Flash memory access on SA11x0 based devices * - * (C) 2000 Nicolas Pitre <nico@cam.org> + * (C) 2000 Nicolas Pitre <nico@fluxnic.net> */ #include <linux/module.h> #include <linux/types.h> @@ -23,106 +23,6 @@ #include <asm/sizes.h> #include <asm/mach/flash.h> -#if 0 -/* - * This is here for documentation purposes only - until these people - * submit their machine types. It will be gone January 2005. - */ -static struct mtd_partition consus_partitions[] = { - { - .name = "Consus boot firmware", - .offset = 0, - .size = 0x00040000, - .mask_flags = MTD_WRITABLE, /* force read-only */ - }, { - .name = "Consus kernel", - .offset = 0x00040000, - .size = 0x00100000, - .mask_flags = 0, - }, { - .name = "Consus disk", - .offset = 0x00140000, - /* The rest (up to 16M) for jffs. We could put 0 and - make it find the size automatically, but right now - i have 32 megs. jffs will use all 32 megs if given - the chance, and this leads to horrible problems - when you try to re-flash the image because blob - won't erase the whole partition. */ - .size = 0x01000000 - 0x00140000, - .mask_flags = 0, - }, { - /* this disk is a secondary disk, which can be used as - needed, for simplicity, make it the size of the other - consus partition, although realistically it could be - the remainder of the disk (depending on the file - system used) */ - .name = "Consus disk2", - .offset = 0x01000000, - .size = 0x01000000 - 0x00140000, - .mask_flags = 0, - } -}; - -/* Frodo has 2 x 16M 28F128J3A flash chips in bank 0: */ -static struct mtd_partition frodo_partitions[] = -{ - { - .name = "bootloader", - .size = 0x00040000, - .offset = 0x00000000, - .mask_flags = MTD_WRITEABLE - }, { - .name = "bootloader params", - .size = 0x00040000, - .offset = MTDPART_OFS_APPEND, - .mask_flags = MTD_WRITEABLE - }, { - .name = "kernel", - .size = 0x00100000, - .offset = MTDPART_OFS_APPEND, - .mask_flags = MTD_WRITEABLE - }, { - .name = "ramdisk", - .size = 0x00400000, - .offset = MTDPART_OFS_APPEND, - .mask_flags = MTD_WRITEABLE - }, { - .name = "file system", - .size = MTDPART_SIZ_FULL, - .offset = MTDPART_OFS_APPEND - } -}; - -static struct mtd_partition jornada56x_partitions[] = { - { - .name = "bootldr", - .size = 0x00040000, - .offset = 0, - .mask_flags = MTD_WRITEABLE, - }, { - .name = "rootfs", - .size = MTDPART_SIZ_FULL, - .offset = MTDPART_OFS_APPEND, - } -}; - -static void jornada56x_set_vpp(int vpp) -{ - if (vpp) - GPSR = GPIO_GPIO26; - else - GPCR = GPIO_GPIO26; - GPDR |= GPIO_GPIO26; -} - -/* - * Machine Phys Size set_vpp - * Consus : SA1100_CS0_PHYS SZ_32M - * Frodo : SA1100_CS0_PHYS SZ_32M - * Jornada56x: SA1100_CS0_PHYS SZ_32M jornada56x_set_vpp - */ -#endif - struct sa_subdev_info { char name[16]; struct map_info map; @@ -131,17 +31,27 @@ struct sa_subdev_info { }; struct sa_info { - struct mtd_partition *parts; struct mtd_info *mtd; int num_subdev; - unsigned int nr_parts; struct sa_subdev_info subdev[0]; }; +static DEFINE_SPINLOCK(sa1100_vpp_lock); +static int sa1100_vpp_refcnt; static void sa1100_set_vpp(struct map_info *map, int on) { struct sa_subdev_info *subdev = container_of(map, struct sa_subdev_info, map); - subdev->plat->set_vpp(on); + unsigned long flags; + + spin_lock_irqsave(&sa1100_vpp_lock, flags); + if (on) { + if (++sa1100_vpp_refcnt == 1) /* first nested 'on' */ + subdev->plat->set_vpp(1); + } else { + if (--sa1100_vpp_refcnt == 0) /* last nested 'off' */ + subdev->plat->set_vpp(0); + } + spin_unlock_irqrestore(&sa1100_vpp_lock, flags); } static void sa1100_destroy_subdev(struct sa_subdev_info *subdev) @@ -209,8 +119,8 @@ static int sa1100_probe_subdev(struct sa_subdev_info *subdev, struct resource *r } subdev->mtd->owner = THIS_MODULE; - printk(KERN_INFO "SA1100 flash: CFI device at 0x%08lx, %dMiB, " - "%d-bit\n", phys, subdev->mtd->size >> 20, + printk(KERN_INFO "SA1100 flash: CFI device at 0x%08lx, %uMiB, %d-bit\n", + phys, (unsigned)(subdev->mtd->size >> 20), subdev->map.bankwidth * 8); return 0; @@ -226,20 +136,11 @@ static void sa1100_destroy(struct sa_info *info, struct flash_platform_data *pla int i; if (info->mtd) { - if (info->nr_parts == 0) - del_mtd_device(info->mtd); -#ifdef CONFIG_MTD_PARTITIONS - else - del_mtd_partitions(info->mtd); -#endif -#ifdef CONFIG_MTD_CONCAT + mtd_device_unregister(info->mtd); if (info->mtd != info->subdev[0].mtd) mtd_concat_destroy(info->mtd); -#endif } - kfree(info->parts); - for (i = info->num_subdev - 1; i >= 0; i--) sa1100_destroy_subdev(&info->subdev[i]); kfree(info); @@ -248,8 +149,8 @@ static void sa1100_destroy(struct sa_info *info, struct flash_platform_data *pla plat->exit(); } -static struct sa_info *__init -sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *plat) +static struct sa_info *sa1100_setup_mtd(struct platform_device *pdev, + struct flash_platform_data *plat) { struct sa_info *info; int nr, size, i, ret = 0; @@ -321,7 +222,6 @@ sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *plat) info->mtd = info->subdev[0].mtd; ret = 0; } else if (info->num_subdev > 1) { -#ifdef CONFIG_MTD_CONCAT struct mtd_info *cdev[nr]; /* * We detected multiple devices. Concatenate them together. @@ -333,11 +233,6 @@ sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *plat) plat->name); if (info->mtd == NULL) ret = -ENXIO; -#else - printk(KERN_ERR "SA1100 flash: multiple devices " - "found but MTD concat support disabled.\n"); - ret = -ENXIO; -#endif } if (ret == 0) @@ -349,15 +244,13 @@ sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *plat) return ERR_PTR(ret); } -static const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL }; +static const char * const part_probes[] = { "cmdlinepart", "RedBoot", NULL }; -static int __devinit sa1100_mtd_probe(struct platform_device *pdev) +static int sa1100_mtd_probe(struct platform_device *pdev) { - struct flash_platform_data *plat = pdev->dev.platform_data; - struct mtd_partition *parts; - const char *part_type = NULL; + struct flash_platform_data *plat = dev_get_platdata(&pdev->dev); struct sa_info *info; - int err, nr_parts = 0; + int err; if (!plat) return -ENODEV; @@ -371,30 +264,8 @@ static int __devinit sa1100_mtd_probe(struct platform_device *pdev) /* * Partition selection stuff. */ -#ifdef CONFIG_MTD_PARTITIONS - nr_parts = parse_mtd_partitions(info->mtd, part_probes, &parts, 0); - if (nr_parts > 0) { - info->parts = parts; - part_type = "dynamic"; - } else -#endif - { - parts = plat->parts; - nr_parts = plat->nr_parts; - part_type = "static"; - } - - if (nr_parts == 0) { - printk(KERN_NOTICE "SA1100 flash: no partition info " - "available, registering whole flash\n"); - add_mtd_device(info->mtd); - } else { - printk(KERN_NOTICE "SA1100 flash: using %s partition " - "definition\n", part_type); - add_mtd_partitions(info->mtd, parts, nr_parts); - } - - info->nr_parts = nr_parts; + mtd_device_parse_register(info->mtd, part_probes, NULL, plat->parts, + plat->nr_parts); platform_set_drvdata(pdev, info); err = 0; @@ -406,70 +277,23 @@ static int __devinit sa1100_mtd_probe(struct platform_device *pdev) static int __exit sa1100_mtd_remove(struct platform_device *pdev) { struct sa_info *info = platform_get_drvdata(pdev); - struct flash_platform_data *plat = pdev->dev.platform_data; + struct flash_platform_data *plat = dev_get_platdata(&pdev->dev); - platform_set_drvdata(pdev, NULL); sa1100_destroy(info, plat); return 0; } -#ifdef CONFIG_PM -static int sa1100_mtd_suspend(struct platform_device *dev, pm_message_t state) -{ - struct sa_info *info = platform_get_drvdata(dev); - int ret = 0; - - if (info) - ret = info->mtd->suspend(info->mtd); - - return ret; -} - -static int sa1100_mtd_resume(struct platform_device *dev) -{ - struct sa_info *info = platform_get_drvdata(dev); - if (info) - info->mtd->resume(info->mtd); - return 0; -} - -static void sa1100_mtd_shutdown(struct platform_device *dev) -{ - struct sa_info *info = platform_get_drvdata(dev); - if (info && info->mtd->suspend(info->mtd) == 0) - info->mtd->resume(info->mtd); -} -#else -#define sa1100_mtd_suspend NULL -#define sa1100_mtd_resume NULL -#define sa1100_mtd_shutdown NULL -#endif - static struct platform_driver sa1100_mtd_driver = { .probe = sa1100_mtd_probe, .remove = __exit_p(sa1100_mtd_remove), - .suspend = sa1100_mtd_suspend, - .resume = sa1100_mtd_resume, - .shutdown = sa1100_mtd_shutdown, .driver = { .name = "sa1100-mtd", .owner = THIS_MODULE, }, }; -static int __init sa1100_mtd_init(void) -{ - return platform_driver_register(&sa1100_mtd_driver); -} - -static void __exit sa1100_mtd_exit(void) -{ - platform_driver_unregister(&sa1100_mtd_driver); -} - -module_init(sa1100_mtd_init); -module_exit(sa1100_mtd_exit); +module_platform_driver(sa1100_mtd_driver); MODULE_AUTHOR("Nicolas Pitre"); MODULE_DESCRIPTION("SA1100 CFI map driver"); diff --git a/drivers/mtd/maps/sbc8240.c b/drivers/mtd/maps/sbc8240.c deleted file mode 100644 index d5374cdcb16..00000000000 --- a/drivers/mtd/maps/sbc8240.c +++ /dev/null @@ -1,250 +0,0 @@ -/* - * Handle mapping of the flash memory access routines on the SBC8240 board. - * - * Carolyn Smith, Tektronix, Inc. - * - * This code is GPLed - */ - -/* - * The SBC8240 has 2 flash banks. - * Bank 0 is a 512 KiB AMD AM29F040B; 8 x 64 KiB sectors. - * It contains the U-Boot code (7 sectors) and the environment (1 sector). - * Bank 1 is 4 x 1 MiB AMD AM29LV800BT; 15 x 64 KiB sectors, 1 x 32 KiB sector, - * 2 x 8 KiB sectors, 1 x 16 KiB sectors. - * Both parts are JEDEC compatible. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <asm/io.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/cfi.h> - -#ifdef CONFIG_MTD_PARTITIONS -#include <linux/mtd/partitions.h> -#endif - -#define DEBUG - -#ifdef DEBUG -# define debugk(fmt,args...) printk(fmt ,##args) -#else -# define debugk(fmt,args...) -#endif - - -#define WINDOW_ADDR0 0xFFF00000 /* 512 KiB */ -#define WINDOW_SIZE0 0x00080000 -#define BUSWIDTH0 1 - -#define WINDOW_ADDR1 0xFF000000 /* 4 MiB */ -#define WINDOW_SIZE1 0x00400000 -#define BUSWIDTH1 8 - -#define MSG_PREFIX "sbc8240:" /* prefix for our printk()'s */ -#define MTDID "sbc8240-%d" /* for mtdparts= partitioning */ - - -static struct map_info sbc8240_map[2] = { - { - .name = "sbc8240 Flash Bank #0", - .size = WINDOW_SIZE0, - .bankwidth = BUSWIDTH0, - }, - { - .name = "sbc8240 Flash Bank #1", - .size = WINDOW_SIZE1, - .bankwidth = BUSWIDTH1, - } -}; - -#define NUM_FLASH_BANKS ARRAY_SIZE(sbc8240_map) - -/* - * The following defines the partition layout of SBC8240 boards. - * - * See include/linux/mtd/partitions.h for definition of the - * mtd_partition structure. - * - * The *_max_flash_size is the maximum possible mapped flash size - * which is not necessarily the actual flash size. It must correspond - * to the value specified in the mapping definition defined by the - * "struct map_desc *_io_desc" for the corresponding machine. - */ - -#ifdef CONFIG_MTD_PARTITIONS - -static struct mtd_partition sbc8240_uboot_partitions [] = { - /* Bank 0 */ - { - .name = "U-boot", /* U-Boot Firmware */ - .offset = 0, - .size = 0x00070000, /* 7 x 64 KiB sectors */ - .mask_flags = MTD_WRITEABLE, /* force read-only */ - }, - { - .name = "environment", /* U-Boot environment */ - .offset = 0x00070000, - .size = 0x00010000, /* 1 x 64 KiB sector */ - }, -}; - -static struct mtd_partition sbc8240_fs_partitions [] = { - { - .name = "jffs", /* JFFS filesystem */ - .offset = 0, - .size = 0x003C0000, /* 4 * 15 * 64KiB */ - }, - { - .name = "tmp32", - .offset = 0x003C0000, - .size = 0x00020000, /* 4 * 32KiB */ - }, - { - .name = "tmp8a", - .offset = 0x003E0000, - .size = 0x00008000, /* 4 * 8KiB */ - }, - { - .name = "tmp8b", - .offset = 0x003E8000, - .size = 0x00008000, /* 4 * 8KiB */ - }, - { - .name = "tmp16", - .offset = 0x003F0000, - .size = 0x00010000, /* 4 * 16KiB */ - } -}; - -/* trivial struct to describe partition information */ -struct mtd_part_def -{ - int nums; - unsigned char *type; - struct mtd_partition* mtd_part; -}; - -static struct mtd_info *sbc8240_mtd[NUM_FLASH_BANKS]; -static struct mtd_part_def sbc8240_part_banks[NUM_FLASH_BANKS]; - - -#endif /* CONFIG_MTD_PARTITIONS */ - - -static int __init init_sbc8240_mtd (void) -{ - static struct _cjs { - u_long addr; - u_long size; - } pt[NUM_FLASH_BANKS] = { - { - .addr = WINDOW_ADDR0, - .size = WINDOW_SIZE0 - }, - { - .addr = WINDOW_ADDR1, - .size = WINDOW_SIZE1 - }, - }; - - int devicesfound = 0; - int i,j; - - for (i = 0; i < NUM_FLASH_BANKS; i++) { - printk (KERN_NOTICE MSG_PREFIX - "Probing 0x%08lx at 0x%08lx\n", pt[i].size, pt[i].addr); - - sbc8240_map[i].map_priv_1 = - (unsigned long) ioremap (pt[i].addr, pt[i].size); - if (!sbc8240_map[i].map_priv_1) { - printk (MSG_PREFIX "failed to ioremap\n"); - for (j = 0; j < i; j++) { - iounmap((void *) sbc8240_map[j].map_priv_1); - sbc8240_map[j].map_priv_1 = 0; - } - return -EIO; - } - simple_map_init(&sbc8240_mtd[i]); - - sbc8240_mtd[i] = do_map_probe("jedec_probe", &sbc8240_map[i]); - - if (sbc8240_mtd[i]) { - sbc8240_mtd[i]->module = THIS_MODULE; - devicesfound++; - } else { - if (sbc8240_map[i].map_priv_1) { - iounmap((void *) sbc8240_map[i].map_priv_1); - sbc8240_map[i].map_priv_1 = 0; - } - } - } - - if (!devicesfound) { - printk(KERN_NOTICE MSG_PREFIX - "No suppported flash chips found!\n"); - return -ENXIO; - } - -#ifdef CONFIG_MTD_PARTITIONS - sbc8240_part_banks[0].mtd_part = sbc8240_uboot_partitions; - sbc8240_part_banks[0].type = "static image"; - sbc8240_part_banks[0].nums = ARRAY_SIZE(sbc8240_uboot_partitions); - sbc8240_part_banks[1].mtd_part = sbc8240_fs_partitions; - sbc8240_part_banks[1].type = "static file system"; - sbc8240_part_banks[1].nums = ARRAY_SIZE(sbc8240_fs_partitions); - - for (i = 0; i < NUM_FLASH_BANKS; i++) { - - if (!sbc8240_mtd[i]) continue; - if (sbc8240_part_banks[i].nums == 0) { - printk (KERN_NOTICE MSG_PREFIX - "No partition info available, registering whole device\n"); - add_mtd_device(sbc8240_mtd[i]); - } else { - printk (KERN_NOTICE MSG_PREFIX - "Using %s partition definition\n", sbc8240_part_banks[i].mtd_part->name); - add_mtd_partitions (sbc8240_mtd[i], - sbc8240_part_banks[i].mtd_part, - sbc8240_part_banks[i].nums); - } - } -#else - printk(KERN_NOTICE MSG_PREFIX - "Registering %d flash banks at once\n", devicesfound); - - for (i = 0; i < devicesfound; i++) { - add_mtd_device(sbc8240_mtd[i]); - } -#endif /* CONFIG_MTD_PARTITIONS */ - - return devicesfound == 0 ? -ENXIO : 0; -} - -static void __exit cleanup_sbc8240_mtd (void) -{ - int i; - - for (i = 0; i < NUM_FLASH_BANKS; i++) { - if (sbc8240_mtd[i]) { - del_mtd_device (sbc8240_mtd[i]); - map_destroy (sbc8240_mtd[i]); - } - if (sbc8240_map[i].map_priv_1) { - iounmap ((void *) sbc8240_map[i].map_priv_1); - sbc8240_map[i].map_priv_1 = 0; - } - } -} - -module_init (init_sbc8240_mtd); -module_exit (cleanup_sbc8240_mtd); - -MODULE_LICENSE ("GPL"); -MODULE_AUTHOR ("Carolyn Smith <carolyn.smith@tektronix.com>"); -MODULE_DESCRIPTION ("MTD map driver for SBC8240 boards"); - diff --git a/drivers/mtd/maps/sbc_gxx.c b/drivers/mtd/maps/sbc_gxx.c index 1b1c0b7e11e..556a2dfe94c 100644 --- a/drivers/mtd/maps/sbc_gxx.c +++ b/drivers/mtd/maps/sbc_gxx.c @@ -45,7 +45,6 @@ separate MTD devices. // Includes #include <linux/module.h> -#include <linux/slab.h> #include <linux/ioport.h> #include <linux/init.h> #include <asm/io.h> @@ -183,7 +182,7 @@ static struct mtd_info *all_mtd; static void cleanup_sbc_gxx(void) { if( all_mtd ) { - del_mtd_partitions( all_mtd ); + mtd_device_unregister(all_mtd); map_destroy( all_mtd ); } @@ -224,7 +223,7 @@ static int __init init_sbc_gxx(void) all_mtd->owner = THIS_MODULE; /* Create MTD devices for each partition. */ - add_mtd_partitions(all_mtd, partition_info, NUM_PARTITIONS ); + mtd_device_register(all_mtd, partition_info, NUM_PARTITIONS); return 0; } diff --git a/drivers/mtd/maps/sc520cdp.c b/drivers/mtd/maps/sc520cdp.c index 85c1e56309e..093edd51bdc 100644 --- a/drivers/mtd/maps/sc520cdp.c +++ b/drivers/mtd/maps/sc520cdp.c @@ -183,7 +183,7 @@ static const struct sc520_par_table par_table[NUM_FLASH_BANKS] = static void sc520cdp_setup_par(void) { - volatile unsigned long __iomem *mmcr; + unsigned long __iomem *mmcr; unsigned long mmcr_val; int i, j; @@ -197,17 +197,17 @@ static void sc520cdp_setup_par(void) } /* - ** Find the PARxx registers that are reponsible for activating + ** Find the PARxx registers that are responsible for activating ** ROMCS0, ROMCS1 and BOOTCS. Reprogram each of these with a ** new value from the table. */ for(i = 0; i < NUM_FLASH_BANKS; i++) { /* for each par_table entry */ for(j = 0; j < NUM_SC520_PAR; j++) { /* for each PAR register */ - mmcr_val = mmcr[SC520_PAR(j)]; + mmcr_val = readl(&mmcr[SC520_PAR(j)]); /* if target device field matches, reprogram the PAR */ if((mmcr_val & SC520_PAR_TRGDEV) == par_table[i].trgdev) { - mmcr[SC520_PAR(j)] = par_table[i].new_par; + writel(par_table[i].new_par, &mmcr[SC520_PAR(j)]); break; } } @@ -266,10 +266,10 @@ static int __init init_sc520cdp(void) /* Combine the two flash banks into a single MTD device & register it: */ merged_mtd = mtd_concat_create(mymtd, 2, "SC520CDP Flash Banks #0 and #1"); if(merged_mtd) - add_mtd_device(merged_mtd); + mtd_device_register(merged_mtd, NULL, 0); } if(devices_found == 3) /* register the third (DIL-Flash) device */ - add_mtd_device(mymtd[2]); + mtd_device_register(mymtd[2], NULL, 0); return(devices_found ? 0 : -ENXIO); } @@ -278,11 +278,11 @@ static void __exit cleanup_sc520cdp(void) int i; if (merged_mtd) { - del_mtd_device(merged_mtd); + mtd_device_unregister(merged_mtd); mtd_concat_destroy(merged_mtd); } if (mymtd[2]) - del_mtd_device(mymtd[2]); + mtd_device_unregister(mymtd[2]); for (i = 0; i < NUM_FLASH_BANKS; i++) { if (mymtd[i]) diff --git a/drivers/mtd/maps/scb2_flash.c b/drivers/mtd/maps/scb2_flash.c index 7e329f09a54..b7a22a612a4 100644 --- a/drivers/mtd/maps/scb2_flash.c +++ b/drivers/mtd/maps/scb2_flash.c @@ -47,7 +47,6 @@ #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> -#include <linux/init.h> #include <asm/io.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> @@ -69,8 +68,7 @@ static struct map_info scb2_map = { }; static int region_fail; -static int __devinit -scb2_fixup_mtd(struct mtd_info *mtd) +static int scb2_fixup_mtd(struct mtd_info *mtd) { int i; int done = 0; @@ -133,8 +131,8 @@ scb2_fixup_mtd(struct mtd_info *mtd) /* CSB5's 'Function Control Register' has bits for decoding @ >= 0xffc00000 */ #define CSB5_FCR 0x41 #define CSB5_FCR_DECODE_ALL 0x0e -static int __devinit -scb2_flash_probe(struct pci_dev *dev, const struct pci_device_id *ent) +static int scb2_flash_probe(struct pci_dev *dev, + const struct pci_device_id *ent) { u8 reg; @@ -180,7 +178,7 @@ scb2_flash_probe(struct pci_dev *dev, const struct pci_device_id *ent) scb2_mtd->owner = THIS_MODULE; if (scb2_fixup_mtd(scb2_mtd) < 0) { - del_mtd_device(scb2_mtd); + mtd_device_unregister(scb2_mtd); map_destroy(scb2_mtd); iounmap(scb2_ioaddr); if (!region_fail) @@ -192,22 +190,20 @@ scb2_flash_probe(struct pci_dev *dev, const struct pci_device_id *ent) (unsigned long long)scb2_mtd->size, (unsigned long long)(SCB2_WINDOW - scb2_mtd->size)); - add_mtd_device(scb2_mtd); + mtd_device_register(scb2_mtd, NULL, 0); return 0; } -static void __devexit -scb2_flash_remove(struct pci_dev *dev) +static void scb2_flash_remove(struct pci_dev *dev) { if (!scb2_mtd) return; /* disable flash writes */ - if (scb2_mtd->lock) - scb2_mtd->lock(scb2_mtd, 0, scb2_mtd->size); + mtd_lock(scb2_mtd, 0, scb2_mtd->size); - del_mtd_device(scb2_mtd); + mtd_device_unregister(scb2_mtd); map_destroy(scb2_mtd); iounmap(scb2_ioaddr); @@ -215,7 +211,6 @@ scb2_flash_remove(struct pci_dev *dev) if (!region_fail) release_mem_region(SCB2_ADDR, SCB2_WINDOW); - pci_set_drvdata(dev, NULL); } static struct pci_device_id scb2_flash_pci_ids[] = { @@ -232,23 +227,10 @@ static struct pci_driver scb2_flash_driver = { .name = "Intel SCB2 BIOS Flash", .id_table = scb2_flash_pci_ids, .probe = scb2_flash_probe, - .remove = __devexit_p(scb2_flash_remove), + .remove = scb2_flash_remove, }; -static int __init -scb2_flash_init(void) -{ - return pci_register_driver(&scb2_flash_driver); -} - -static void __exit -scb2_flash_exit(void) -{ - pci_unregister_driver(&scb2_flash_driver); -} - -module_init(scb2_flash_init); -module_exit(scb2_flash_exit); +module_pci_driver(scb2_flash_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Tim Hockin <thockin@sun.com>"); diff --git a/drivers/mtd/maps/scx200_docflash.c b/drivers/mtd/maps/scx200_docflash.c index b5391ebb736..f1c1f737d0d 100644 --- a/drivers/mtd/maps/scx200_docflash.c +++ b/drivers/mtd/maps/scx200_docflash.c @@ -44,7 +44,6 @@ static struct resource docmem = { static struct mtd_info *mymtd; -#ifdef CONFIG_MTD_PARTITIONS static struct mtd_partition partition_info[] = { { .name = "DOCCS Boot kernel", @@ -68,8 +67,6 @@ static struct mtd_partition partition_info[] = { }, }; #define NUM_PARTITIONS ARRAY_SIZE(partition_info) -#endif - static struct map_info scx200_docflash_map = { .name = "NatSemi SCx200 DOCCS Flash", @@ -166,9 +163,8 @@ static int __init init_scx200_docflash(void) outl(pmr, scx200_cb_base + SCx200_PMR); } - printk(KERN_INFO NAME ": DOCCS mapped at 0x%llx-0x%llx, width %d\n", - (unsigned long long)docmem.start, - (unsigned long long)docmem.end, width); + printk(KERN_INFO NAME ": DOCCS mapped at %pR, width %d\n", + &docmem, width); scx200_docflash_map.size = size; if (width == 8) @@ -199,24 +195,17 @@ static int __init init_scx200_docflash(void) mymtd->owner = THIS_MODULE; -#ifdef CONFIG_MTD_PARTITIONS partition_info[3].offset = mymtd->size-partition_info[3].size; partition_info[2].size = partition_info[3].offset-partition_info[2].offset; - add_mtd_partitions(mymtd, partition_info, NUM_PARTITIONS); -#else - add_mtd_device(mymtd); -#endif + mtd_device_register(mymtd, partition_info, NUM_PARTITIONS); + return 0; } static void __exit cleanup_scx200_docflash(void) { if (mymtd) { -#ifdef CONFIG_MTD_PARTITIONS - del_mtd_partitions(mymtd); -#else - del_mtd_device(mymtd); -#endif + mtd_device_unregister(mymtd); map_destroy(mymtd); } if (scx200_docflash_map.virt) { diff --git a/drivers/mtd/maps/solutionengine.c b/drivers/mtd/maps/solutionengine.c index 0eb41d9c678..bb580bc1644 100644 --- a/drivers/mtd/maps/solutionengine.c +++ b/drivers/mtd/maps/solutionengine.c @@ -19,8 +19,6 @@ static struct mtd_info *flash_mtd; static struct mtd_info *eprom_mtd; -static struct mtd_partition *parsed_parts; - struct map_info soleng_eprom_map = { .name = "Solution Engine EPROM", .size = 0x400000, @@ -33,30 +31,10 @@ struct map_info soleng_flash_map = { .bankwidth = 4, }; -static const char *probes[] = { "RedBoot", "cmdlinepart", NULL }; - -#ifdef CONFIG_MTD_SUPERH_RESERVE -static struct mtd_partition superh_se_partitions[] = { - /* Reserved for boot code, read-only */ - { - .name = "flash_boot", - .offset = 0x00000000, - .size = CONFIG_MTD_SUPERH_RESERVE, - .mask_flags = MTD_WRITEABLE, - }, - /* All else is writable (e.g. JFFS) */ - { - .name = "Flash FS", - .offset = MTDPART_OFS_NXTBLK, - .size = MTDPART_SIZ_FULL, - } -}; -#endif /* CONFIG_MTD_SUPERH_RESERVE */ +static const char * const probes[] = { "RedBoot", "cmdlinepart", NULL }; static int __init init_soleng_maps(void) { - int nr_parts = 0; - /* First probe at offset 0 */ soleng_flash_map.phys = 0; soleng_flash_map.virt = (void __iomem *)P2SEGADDR(0); @@ -89,24 +67,10 @@ static int __init init_soleng_maps(void) eprom_mtd = do_map_probe("map_rom", &soleng_eprom_map); if (eprom_mtd) { eprom_mtd->owner = THIS_MODULE; - add_mtd_device(eprom_mtd); - } - - nr_parts = parse_mtd_partitions(flash_mtd, probes, &parsed_parts, 0); - -#ifdef CONFIG_MTD_SUPERH_RESERVE - if (nr_parts <= 0) { - printk(KERN_NOTICE "Using configured partition at 0x%08x.\n", - CONFIG_MTD_SUPERH_RESERVE); - parsed_parts = superh_se_partitions; - nr_parts = sizeof(superh_se_partitions)/sizeof(*parsed_parts); + mtd_device_register(eprom_mtd, NULL, 0); } -#endif /* CONFIG_MTD_SUPERH_RESERVE */ - if (nr_parts > 0) - add_mtd_partitions(flash_mtd, parsed_parts, nr_parts); - else - add_mtd_device(flash_mtd); + mtd_device_parse_register(flash_mtd, probes, NULL, NULL, 0); return 0; } @@ -114,14 +78,11 @@ static int __init init_soleng_maps(void) static void __exit cleanup_soleng_maps(void) { if (eprom_mtd) { - del_mtd_device(eprom_mtd); + mtd_device_unregister(eprom_mtd); map_destroy(eprom_mtd); } - if (parsed_parts) - del_mtd_partitions(flash_mtd); - else - del_mtd_device(flash_mtd); + mtd_device_unregister(flash_mtd); map_destroy(flash_mtd); } diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c index fd7a1017399..b6f1aac3510 100644 --- a/drivers/mtd/maps/sun_uflash.c +++ b/drivers/mtd/maps/sun_uflash.c @@ -11,10 +11,10 @@ #include <linux/module.h> #include <linux/fs.h> #include <linux/errno.h> -#include <linux/init.h> #include <linux/ioport.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/slab.h> #include <asm/prom.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -47,7 +47,7 @@ struct map_info uflash_map_templ = { .bankwidth = UFLASH_BUSWIDTH, }; -int uflash_devinit(struct of_device *op, struct device_node *dp) +int uflash_devinit(struct platform_device *op, struct device_node *dp) { struct uflash_dev *up; @@ -74,7 +74,7 @@ int uflash_devinit(struct of_device *op, struct device_node *dp) up->name = of_get_property(dp, "model", NULL); if (up->name && 0 < strlen(up->name)) - up->map.name = (char *)up->name; + up->map.name = up->name; up->map.phys = op->resource[0].start; @@ -100,16 +100,16 @@ int uflash_devinit(struct of_device *op, struct device_node *dp) up->mtd->owner = THIS_MODULE; - add_mtd_device(up->mtd); + mtd_device_register(up->mtd, NULL, 0); dev_set_drvdata(&op->dev, up); return 0; } -static int __devinit uflash_probe(struct of_device *op, const struct of_device_id *match) +static int uflash_probe(struct platform_device *op) { - struct device_node *dp = op->node; + struct device_node *dp = op->dev.of_node; /* Flashprom must have the "user" property in order to * be used by this driver. @@ -120,12 +120,12 @@ static int __devinit uflash_probe(struct of_device *op, const struct of_device_i return uflash_devinit(op, dp); } -static int __devexit uflash_remove(struct of_device *op) +static int uflash_remove(struct platform_device *op) { struct uflash_dev *up = dev_get_drvdata(&op->dev); if (up->mtd) { - del_mtd_device(up->mtd); + mtd_device_unregister(up->mtd); map_destroy(up->mtd); } if (up->map.virt) { @@ -147,22 +147,14 @@ static const struct of_device_id uflash_match[] = { MODULE_DEVICE_TABLE(of, uflash_match); -static struct of_platform_driver uflash_driver = { - .name = DRIVER_NAME, - .match_table = uflash_match, +static struct platform_driver uflash_driver = { + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .of_match_table = uflash_match, + }, .probe = uflash_probe, - .remove = __devexit_p(uflash_remove), + .remove = uflash_remove, }; -static int __init uflash_init(void) -{ - return of_register_driver(&uflash_driver, &of_bus_type); -} - -static void __exit uflash_exit(void) -{ - of_unregister_driver(&uflash_driver); -} - -module_init(uflash_init); -module_exit(uflash_exit); +module_platform_driver(uflash_driver); diff --git a/drivers/mtd/maps/tqm8xxl.c b/drivers/mtd/maps/tqm8xxl.c deleted file mode 100644 index 60146984f4b..00000000000 --- a/drivers/mtd/maps/tqm8xxl.c +++ /dev/null @@ -1,259 +0,0 @@ -/* - * Handle mapping of the flash memory access routines - * on TQM8xxL based devices. - * - * based on rpxlite.c - * - * Copyright(C) 2001 Kirk Lee <kirk@hpc.ee.ntu.edu.tw> - * - * This code is GPLed - * - */ - -/* - * According to TQM8xxL hardware manual, TQM8xxL series have - * following flash memory organisations: - * | capacity | | chip type | | bank0 | | bank1 | - * 2MiB 512Kx16 2MiB 0 - * 4MiB 1Mx16 4MiB 0 - * 8MiB 1Mx16 4MiB 4MiB - * Thus, we choose CONFIG_MTD_CFI_I2 & CONFIG_MTD_CFI_B4 at - * kernel configuration. - */ -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.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/io.h> - -#define FLASH_ADDR 0x40000000 -#define FLASH_SIZE 0x00800000 -#define FLASH_BANK_MAX 4 - -// trivial struct to describe partition information -struct mtd_part_def -{ - int nums; - unsigned char *type; - struct mtd_partition* mtd_part; -}; - -//static struct mtd_info *mymtd; -static struct mtd_info* mtd_banks[FLASH_BANK_MAX]; -static struct map_info* map_banks[FLASH_BANK_MAX]; -static struct mtd_part_def part_banks[FLASH_BANK_MAX]; -static unsigned long num_banks; -static void __iomem *start_scan_addr; - -/* - * Here are partition information for all known TQM8xxL series devices. - * See include/linux/mtd/partitions.h for definition of the mtd_partition - * structure. - * - * The *_max_flash_size is the maximum possible mapped flash size which - * is not necessarily the actual flash size. It must correspond to the - * value specified in the mapping definition defined by the - * "struct map_desc *_io_desc" for the corresponding machine. - */ - -#ifdef CONFIG_MTD_PARTITIONS -/* Currently, TQM8xxL has upto 8MiB flash */ -static unsigned long tqm8xxl_max_flash_size = 0x00800000; - -/* partition definition for first flash bank - * (cf. "drivers/char/flash_config.c") - */ -static struct mtd_partition tqm8xxl_partitions[] = { - { - .name = "ppcboot", - .offset = 0x00000000, - .size = 0x00020000, /* 128KB */ - .mask_flags = MTD_WRITEABLE, /* force read-only */ - }, - { - .name = "kernel", /* default kernel image */ - .offset = 0x00020000, - .size = 0x000e0000, - .mask_flags = MTD_WRITEABLE, /* force read-only */ - }, - { - .name = "user", - .offset = 0x00100000, - .size = 0x00100000, - }, - { - .name = "initrd", - .offset = 0x00200000, - .size = 0x00200000, - } -}; -/* partition definition for second flash bank */ -static struct mtd_partition tqm8xxl_fs_partitions[] = { - { - .name = "cramfs", - .offset = 0x00000000, - .size = 0x00200000, - }, - { - .name = "jffs", - .offset = 0x00200000, - .size = 0x00200000, - //.size = MTDPART_SIZ_FULL, - } -}; -#endif - -static int __init init_tqm_mtd(void) -{ - int idx = 0, ret = 0; - unsigned long flash_addr, flash_size, mtd_size = 0; - /* pointer to TQM8xxL board info data */ - bd_t *bd = (bd_t *)__res; - - flash_addr = bd->bi_flashstart; - flash_size = bd->bi_flashsize; - - //request maximum flash size address space - start_scan_addr = ioremap(flash_addr, flash_size); - if (!start_scan_addr) { - printk(KERN_WARNING "%s:Failed to ioremap address:0x%x\n", __func__, flash_addr); - return -EIO; - } - - for (idx = 0 ; idx < FLASH_BANK_MAX ; idx++) { - if(mtd_size >= flash_size) - break; - - printk(KERN_INFO "%s: chip probing count %d\n", __func__, idx); - - map_banks[idx] = kzalloc(sizeof(struct map_info), GFP_KERNEL); - if(map_banks[idx] == NULL) { - ret = -ENOMEM; - /* FIXME: What if some MTD devices were probed already? */ - goto error_mem; - } - - map_banks[idx]->name = (char *)kmalloc(16, GFP_KERNEL); - - if (!map_banks[idx]->name) { - ret = -ENOMEM; - /* FIXME: What if some MTD devices were probed already? */ - goto error_mem; - } - sprintf(map_banks[idx]->name, "TQM8xxL%d", idx); - - map_banks[idx]->size = flash_size; - map_banks[idx]->bankwidth = 4; - - simple_map_init(map_banks[idx]); - - map_banks[idx]->virt = start_scan_addr; - map_banks[idx]->phys = flash_addr; - /* FIXME: This looks utterly bogus, but I'm trying to - preserve the behaviour of the original (shown here)... - - map_banks[idx]->map_priv_1 = - start_scan_addr + ((idx > 0) ? - (mtd_banks[idx-1] ? mtd_banks[idx-1]->size : 0) : 0); - */ - - if (idx && mtd_banks[idx-1]) { - map_banks[idx]->virt += mtd_banks[idx-1]->size; - map_banks[idx]->phys += mtd_banks[idx-1]->size; - } - - //start to probe flash chips - mtd_banks[idx] = do_map_probe("cfi_probe", map_banks[idx]); - - if (mtd_banks[idx]) { - mtd_banks[idx]->owner = THIS_MODULE; - mtd_size += mtd_banks[idx]->size; - num_banks++; - - printk(KERN_INFO "%s: bank%d, name:%s, size:%dbytes \n", __func__, num_banks, - mtd_banks[idx]->name, mtd_banks[idx]->size); - } - } - - /* no supported flash chips found */ - if (!num_banks) { - printk(KERN_NOTICE "TQM8xxL: No support flash chips found!\n"); - ret = -ENXIO; - goto error_mem; - } - -#ifdef CONFIG_MTD_PARTITIONS - /* - * Select Static partition definitions - */ - part_banks[0].mtd_part = tqm8xxl_partitions; - part_banks[0].type = "Static image"; - part_banks[0].nums = ARRAY_SIZE(tqm8xxl_partitions); - - part_banks[1].mtd_part = tqm8xxl_fs_partitions; - part_banks[1].type = "Static file system"; - part_banks[1].nums = ARRAY_SIZE(tqm8xxl_fs_partitions); - - for(idx = 0; idx < num_banks ; idx++) { - if (part_banks[idx].nums == 0) { - printk(KERN_NOTICE "TQM flash%d: no partition info available, registering whole flash at once\n", idx); - add_mtd_device(mtd_banks[idx]); - } else { - printk(KERN_NOTICE "TQM flash%d: Using %s partition definition\n", - idx, part_banks[idx].type); - add_mtd_partitions(mtd_banks[idx], part_banks[idx].mtd_part, - part_banks[idx].nums); - } - } -#else - printk(KERN_NOTICE "TQM flash: registering %d whole flash banks at once\n", num_banks); - for(idx = 0 ; idx < num_banks ; idx++) - add_mtd_device(mtd_banks[idx]); -#endif - return 0; -error_mem: - for(idx = 0 ; idx < FLASH_BANK_MAX ; idx++) { - if(map_banks[idx] != NULL) { - kfree(map_banks[idx]->name); - map_banks[idx]->name = NULL; - kfree(map_banks[idx]); - map_banks[idx] = NULL; - } - } -error: - iounmap(start_scan_addr); - return ret; -} - -static void __exit cleanup_tqm_mtd(void) -{ - unsigned int idx = 0; - for(idx = 0 ; idx < num_banks ; idx++) { - /* destroy mtd_info previously allocated */ - if (mtd_banks[idx]) { - del_mtd_partitions(mtd_banks[idx]); - map_destroy(mtd_banks[idx]); - } - /* release map_info not used anymore */ - kfree(map_banks[idx]->name); - kfree(map_banks[idx]); - } - - if (start_scan_addr) { - iounmap(start_scan_addr); - start_scan_addr = 0; - } -} - -module_init(init_tqm_mtd); -module_exit(cleanup_tqm_mtd); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Kirk Lee <kirk@hpc.ee.ntu.edu.tw>"); -MODULE_DESCRIPTION("MTD map driver for TQM8xxL boards"); diff --git a/drivers/mtd/maps/ts5500_flash.c b/drivers/mtd/maps/ts5500_flash.c index e2147bf11c8..d1d671daf23 100644 --- a/drivers/mtd/maps/ts5500_flash.c +++ b/drivers/mtd/maps/ts5500_flash.c @@ -89,12 +89,11 @@ static int __init init_ts5500_map(void) } mymtd->owner = THIS_MODULE; - add_mtd_partitions(mymtd, ts5500_partitions, NUM_PARTITIONS); + mtd_device_register(mymtd, ts5500_partitions, NUM_PARTITIONS); return 0; err1: - map_destroy(mymtd); iounmap(ts5500_map.virt); err2: return rc; @@ -103,7 +102,7 @@ err2: static void __exit cleanup_ts5500_map(void) { if (mymtd) { - del_mtd_partitions(mymtd); + mtd_device_unregister(mymtd); map_destroy(mymtd); } diff --git a/drivers/mtd/maps/tsunami_flash.c b/drivers/mtd/maps/tsunami_flash.c index 77a8bfc0257..da2cdb5fd6d 100644 --- a/drivers/mtd/maps/tsunami_flash.c +++ b/drivers/mtd/maps/tsunami_flash.c @@ -76,17 +76,18 @@ static void __exit cleanup_tsunami_flash(void) struct mtd_info *mtd; mtd = tsunami_flash_mtd; if (mtd) { - del_mtd_device(mtd); + mtd_device_unregister(mtd); map_destroy(mtd); } tsunami_flash_mtd = 0; } +static const char * const rom_probe_types[] = { + "cfi_probe", "jedec_probe", "map_rom", NULL }; static int __init init_tsunami_flash(void) { - static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", "map_rom", NULL }; - char **type; + const char * const *type; tsunami_tig_writeb(FLASH_ENABLE_BYTE, FLASH_ENABLE_PORT); @@ -97,7 +98,7 @@ static int __init init_tsunami_flash(void) } if (tsunami_flash_mtd) { tsunami_flash_mtd->owner = THIS_MODULE; - add_mtd_device(tsunami_flash_mtd); + mtd_device_register(tsunami_flash_mtd, NULL, 0); return 0; } return -ENXIO; diff --git a/drivers/mtd/maps/uclinux.c b/drivers/mtd/maps/uclinux.c index 81756e39771..c1af83db520 100644 --- a/drivers/mtd/maps/uclinux.c +++ b/drivers/mtd/maps/uclinux.c @@ -19,18 +19,35 @@ #include <linux/mtd/map.h> #include <linux/mtd/partitions.h> #include <asm/io.h> +#include <asm/sections.h> /****************************************************************************/ +#ifdef CONFIG_MTD_ROM +#define MAP_NAME "rom" +#else +#define MAP_NAME "ram" +#endif + +/* + * Blackfin uses uclinux_ram_map during startup, so it must not be static. + * Provide a dummy declaration to make sparse happy. + */ +extern struct map_info uclinux_ram_map; + struct map_info uclinux_ram_map = { - .name = "RAM", + .name = MAP_NAME, + .size = 0, }; -struct mtd_info *uclinux_ram_mtdinfo; +static unsigned long physaddr = -1; +module_param(physaddr, ulong, S_IRUGO); + +static struct mtd_info *uclinux_ram_mtdinfo; /****************************************************************************/ -struct mtd_partition uclinux_romfs[] = { +static struct mtd_partition uclinux_romfs[] = { { .name = "ROMfs" } }; @@ -38,7 +55,7 @@ struct mtd_partition uclinux_romfs[] = { /****************************************************************************/ -int uclinux_point(struct mtd_info *mtd, loff_t from, size_t len, +static int uclinux_point(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, void **virt, resource_size_t *phys) { struct map_info *map = mtd->priv; @@ -55,39 +72,48 @@ static int __init uclinux_mtd_init(void) { struct mtd_info *mtd; struct map_info *mapp; - extern char _ebss; - unsigned long addr = (unsigned long) &_ebss; mapp = &uclinux_ram_map; - mapp->phys = addr; - mapp->size = PAGE_ALIGN(ntohl(*((unsigned long *)(addr + 8)))); + + if (physaddr == -1) + mapp->phys = (resource_size_t)__bss_stop; + else + mapp->phys = physaddr; + + if (!mapp->size) + mapp->size = PAGE_ALIGN(ntohl(*((unsigned long *)(mapp->phys + 8)))); mapp->bankwidth = 4; - printk("uclinux[mtd]: RAM probe address=0x%x size=0x%x\n", + printk("uclinux[mtd]: probe address=0x%x size=0x%x\n", (int) mapp->phys, (int) mapp->size); - mapp->virt = ioremap_nocache(mapp->phys, mapp->size); + /* + * The filesystem is guaranteed to be in direct mapped memory. It is + * directly following the kernels own bss region. Following the same + * mechanism used by architectures setting up traditional initrds we + * use phys_to_virt to get the virtual address of its start. + */ + mapp->virt = phys_to_virt(mapp->phys); if (mapp->virt == 0) { - printk("uclinux[mtd]: ioremap_nocache() failed\n"); + printk("uclinux[mtd]: no virtual mapping?\n"); return(-EIO); } simple_map_init(mapp); - mtd = do_map_probe("map_ram", mapp); + mtd = do_map_probe("map_" MAP_NAME, mapp); if (!mtd) { printk("uclinux[mtd]: failed to find a mapping?\n"); - iounmap(mapp->virt); return(-ENXIO); } mtd->owner = THIS_MODULE; - mtd->point = uclinux_point; + mtd->_point = uclinux_point; mtd->priv = mapp; uclinux_ram_mtdinfo = mtd; - add_mtd_partitions(mtd, uclinux_romfs, NUM_PARTITIONS); + mtd_device_register(mtd, uclinux_romfs, NUM_PARTITIONS); return(0); } @@ -97,14 +123,12 @@ static int __init uclinux_mtd_init(void) static void __exit uclinux_mtd_cleanup(void) { if (uclinux_ram_mtdinfo) { - del_mtd_partitions(uclinux_ram_mtdinfo); + mtd_device_unregister(uclinux_ram_mtdinfo); map_destroy(uclinux_ram_mtdinfo); uclinux_ram_mtdinfo = NULL; } - if (uclinux_ram_map.virt) { - iounmap((void *) uclinux_ram_map.virt); + if (uclinux_ram_map.virt) uclinux_ram_map.virt = 0; - } } /****************************************************************************/ @@ -114,6 +138,6 @@ module_exit(uclinux_mtd_cleanup); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Greg Ungerer <gerg@snapgear.com>"); -MODULE_DESCRIPTION("Generic RAM based MTD for uClinux"); +MODULE_DESCRIPTION("Generic MTD for uClinux"); /****************************************************************************/ diff --git a/drivers/mtd/maps/vmax301.c b/drivers/mtd/maps/vmax301.c deleted file mode 100644 index 6d452dcdfe3..00000000000 --- a/drivers/mtd/maps/vmax301.c +++ /dev/null @@ -1,197 +0,0 @@ -/* ###################################################################### - - Tempustech VMAX SBC301 MTD Driver. - - The VMAx 301 is a SBC based on . It - comes with three builtin AMD 29F016B flash chips and a socket for SRAM or - more flash. Each unit has it's own 8k mapping into a settable region - (0xD8000). There are two 8k mappings for each MTD, the first is always set - to the lower 8k of the device the second is paged. Writing a 16 bit page - value to anywhere in the first 8k will cause the second 8k to page around. - - To boot the device a bios extension must be installed into the first 8k - of flash that is smart enough to copy itself down, page in the rest of - itself and begin executing. - - ##################################################################### */ - -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/ioport.h> -#include <linux/init.h> -#include <linux/spinlock.h> -#include <asm/io.h> - -#include <linux/mtd/map.h> -#include <linux/mtd/mtd.h> - - -#define WINDOW_START 0xd8000 -#define WINDOW_LENGTH 0x2000 -#define WINDOW_SHIFT 25 -#define WINDOW_MASK 0x1FFF - -/* Actually we could use two spinlocks, but we'd have to have - more private space in the struct map_info. We lose a little - performance like this, but we'd probably lose more by having - the extra indirection from having one of the map->map_priv - fields pointing to yet another private struct. -*/ -static DEFINE_SPINLOCK(vmax301_spin); - -static void __vmax301_page(struct map_info *map, unsigned long page) -{ - writew(page, map->map_priv_2 - WINDOW_LENGTH); - map->map_priv_1 = page; -} - -static inline void vmax301_page(struct map_info *map, - unsigned long ofs) -{ - unsigned long page = (ofs >> WINDOW_SHIFT); - if (map->map_priv_1 != page) - __vmax301_page(map, page); -} - -static map_word vmax301_read8(struct map_info *map, unsigned long ofs) -{ - map_word ret; - spin_lock(&vmax301_spin); - vmax301_page(map, ofs); - ret.x[0] = readb(map->map_priv_2 + (ofs & WINDOW_MASK)); - spin_unlock(&vmax301_spin); - return ret; -} - -static void vmax301_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(&vmax301_spin); - vmax301_page(map, from); - memcpy_fromio(to, map->map_priv_2 + from, thislen); - spin_unlock(&vmax301_spin); - to += thislen; - from += thislen; - len -= thislen; - } -} - -static void vmax301_write8(struct map_info *map, map_word d, unsigned long adr) -{ - spin_lock(&vmax301_spin); - vmax301_page(map, adr); - writeb(d.x[0], map->map_priv_2 + (adr & WINDOW_MASK)); - spin_unlock(&vmax301_spin); -} - -static void vmax301_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(&vmax301_spin); - vmax301_page(map, to); - memcpy_toio(map->map_priv_2 + to, from, thislen); - spin_unlock(&vmax301_spin); - to += thislen; - from += thislen; - len -= thislen; - } -} - -static struct map_info vmax_map[2] = { - { - .name = "VMAX301 Internal Flash", - .phys = NO_XIP, - .size = 3*2*1024*1024, - .bankwidth = 1, - .read = vmax301_read8, - .copy_from = vmax301_copy_from, - .write = vmax301_write8, - .copy_to = vmax301_copy_to, - .map_priv_1 = WINDOW_START + WINDOW_LENGTH, - .map_priv_2 = 0xFFFFFFFF - }, - { - .name = "VMAX301 Socket", - .phys = NO_XIP, - .size = 0, - .bankwidth = 1, - .read = vmax301_read8, - .copy_from = vmax301_copy_from, - .write = vmax301_write8, - .copy_to = vmax301_copy_to, - .map_priv_1 = WINDOW_START + (3*WINDOW_LENGTH), - .map_priv_2 = 0xFFFFFFFF - } -}; - -static struct mtd_info *vmax_mtd[2] = {NULL, NULL}; - -static void __exit cleanup_vmax301(void) -{ - int i; - - for (i=0; i<2; i++) { - if (vmax_mtd[i]) { - del_mtd_device(vmax_mtd[i]); - map_destroy(vmax_mtd[i]); - } - } - iounmap((void *)vmax_map[0].map_priv_1 - WINDOW_START); -} - -static int __init init_vmax301(void) -{ - int i; - unsigned long iomapadr; - // Print out our little header.. - printk("Tempustech VMAX 301 MEM:0x%x-0x%x\n",WINDOW_START, - WINDOW_START+4*WINDOW_LENGTH); - - iomapadr = (unsigned long)ioremap(WINDOW_START, WINDOW_LENGTH*4); - if (!iomapadr) { - printk("Failed to ioremap memory region\n"); - return -EIO; - } - /* Put the address in the map's private data area. - We store the actual MTD IO address rather than the - address of the first half, because it's used more - often. - */ - vmax_map[0].map_priv_2 = iomapadr + WINDOW_START; - vmax_map[1].map_priv_2 = iomapadr + (3*WINDOW_START); - - for (i=0; i<2; i++) { - vmax_mtd[i] = do_map_probe("cfi_probe", &vmax_map[i]); - if (!vmax_mtd[i]) - vmax_mtd[i] = do_map_probe("jedec", &vmax_map[i]); - if (!vmax_mtd[i]) - vmax_mtd[i] = do_map_probe("map_ram", &vmax_map[i]); - if (!vmax_mtd[i]) - vmax_mtd[i] = do_map_probe("map_rom", &vmax_map[i]); - if (vmax_mtd[i]) { - vmax_mtd[i]->owner = THIS_MODULE; - add_mtd_device(vmax_mtd[i]); - } - } - - if (!vmax_mtd[0] && !vmax_mtd[1]) { - iounmap((void *)iomapadr); - return -ENXIO; - } - - return 0; -} - -module_init(init_vmax301); -module_exit(cleanup_vmax301); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>"); -MODULE_DESCRIPTION("MTD map driver for Tempustech VMAX SBC301 board"); diff --git a/drivers/mtd/maps/vmu-flash.c b/drivers/mtd/maps/vmu-flash.c index 1f73297e777..6b223cfe92b 100644 --- a/drivers/mtd/maps/vmu-flash.c +++ b/drivers/mtd/maps/vmu-flash.c @@ -8,6 +8,7 @@ * GNU General Public Licence */ #include <linux/init.h> +#include <linux/slab.h> #include <linux/sched.h> #include <linux/delay.h> #include <linux/maple.h> @@ -359,9 +360,6 @@ static int vmu_flash_read(struct mtd_info *mtd, loff_t from, size_t len, int index = 0, retval, partition, leftover, numblocks; unsigned char cx; - if (len < 1) - return -EIO; - mpart = mtd->priv; mdev = mpart->mdev; partition = mpart->partition; @@ -433,11 +431,6 @@ static int vmu_flash_write(struct mtd_info *mtd, loff_t to, size_t len, partition = mpart->partition; card = maple_get_drvdata(mdev); - /* simple sanity checks */ - if (len < 1) { - error = -EIO; - goto failed; - } numblocks = card->parts[partition].numblocks; if (to + len > numblocks * card->blocklen) len = numblocks * card->blocklen - to; @@ -543,9 +536,9 @@ static void vmu_queryblocks(struct mapleq *mq) mtd_cur->flags = MTD_WRITEABLE|MTD_NO_ERASE; mtd_cur->size = part_cur->numblocks * card->blocklen; mtd_cur->erasesize = card->blocklen; - mtd_cur->write = vmu_flash_write; - mtd_cur->read = vmu_flash_read; - mtd_cur->sync = vmu_flash_sync; + mtd_cur->_write = vmu_flash_write; + mtd_cur->_read = vmu_flash_read; + mtd_cur->_sync = vmu_flash_sync; mtd_cur->writesize = card->blocklen; mpart = kmalloc(sizeof(struct mdev_part), GFP_KERNEL); @@ -562,7 +555,7 @@ static void vmu_queryblocks(struct mapleq *mq) goto fail_cache_create; part_cur->pcache = pcache; - error = add_mtd_device(mtd_cur); + error = mtd_device_register(mtd_cur, NULL, 0); if (error) goto fail_mtd_register; @@ -603,7 +596,7 @@ fail_name: } /* Handles very basic info about the flash, queries for details */ -static int __devinit vmu_connect(struct maple_device *mdev) +static int vmu_connect(struct maple_device *mdev) { unsigned long test_flash_data, basic_flash_data; int c, error; @@ -612,16 +605,15 @@ static int __devinit vmu_connect(struct maple_device *mdev) test_flash_data = be32_to_cpu(mdev->devinfo.function); /* Need to count how many bits are set - to find out which - * function_data element has details of the memory card: - * using Brian Kernighan's/Peter Wegner's method */ - for (c = 0; test_flash_data; c++) - test_flash_data &= test_flash_data - 1; + * function_data element has details of the memory card + */ + c = hweight_long(test_flash_data); basic_flash_data = be32_to_cpu(mdev->devinfo.function_data[c - 1]); card = kmalloc(sizeof(struct memcard), GFP_KERNEL); if (!card) { - error = ENOMEM; + error = -ENOMEM; goto fail_nomem; } @@ -698,7 +690,7 @@ fail_nomem: return error; } -static void __devexit vmu_disconnect(struct maple_device *mdev) +static void vmu_disconnect(struct maple_device *mdev) { struct memcard *card; struct mdev_part *mpart; @@ -709,7 +701,7 @@ static void __devexit vmu_disconnect(struct maple_device *mdev) for (x = 0; x < card->partitions; x++) { mpart = ((card->mtd)[x]).priv; mpart->mdev = NULL; - del_mtd_device(&((card->mtd)[x])); + mtd_device_unregister(&((card->mtd)[x])); kfree(((card->parts)[x]).name); } kfree(card->parts); @@ -780,7 +772,7 @@ static void vmu_file_error(struct maple_device *mdev, void *recvbuf) } -static int __devinit probe_maple_vmu(struct device *dev) +static int probe_maple_vmu(struct device *dev) { int error; struct maple_device *mdev = to_maple_dev(dev); @@ -797,7 +789,7 @@ static int __devinit probe_maple_vmu(struct device *dev) return 0; } -static int __devexit remove_maple_vmu(struct device *dev) +static int remove_maple_vmu(struct device *dev) { struct maple_device *mdev = to_maple_dev(dev); @@ -810,7 +802,7 @@ static struct maple_driver vmu_flash_driver = { .drv = { .name = "Dreamcast_visual_memory", .probe = probe_maple_vmu, - .remove = __devexit_p(remove_maple_vmu), + .remove = remove_maple_vmu, }, }; diff --git a/drivers/mtd/maps/wr_sbc82xx_flash.c b/drivers/mtd/maps/wr_sbc82xx_flash.c deleted file mode 100644 index 933a2b6598b..00000000000 --- a/drivers/mtd/maps/wr_sbc82xx_flash.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Map for flash chips on Wind River PowerQUICC II SBC82xx board. - * - * Copyright (C) 2004 Red Hat, Inc. - * - * Author: David Woodhouse <dwmw2@infradead.org> - * - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <asm/io.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -#include <asm/immap_cpm2.h> - -static struct mtd_info *sbcmtd[3]; -static struct mtd_partition *sbcmtd_parts[3]; - -struct map_info sbc82xx_flash_map[3] = { - {.name = "Boot flash"}, - {.name = "Alternate boot flash"}, - {.name = "User flash"} -}; - -static struct mtd_partition smallflash_parts[] = { - { - .name = "space", - .size = 0x100000, - .offset = 0, - }, { - .name = "bootloader", - .size = MTDPART_SIZ_FULL, - .offset = MTDPART_OFS_APPEND, - } -}; - -static struct mtd_partition bigflash_parts[] = { - { - .name = "bootloader", - .size = 0x00100000, - .offset = 0, - }, { - .name = "file system", - .size = 0x01f00000, - .offset = MTDPART_OFS_APPEND, - }, { - .name = "boot config", - .size = 0x00100000, - .offset = MTDPART_OFS_APPEND, - }, { - .name = "space", - .size = 0x01f00000, - .offset = MTDPART_OFS_APPEND, - } -}; - -static const char *part_probes[] __initdata = {"cmdlinepart", "RedBoot", NULL}; - -#define init_sbc82xx_one_flash(map, br, or) \ -do { \ - (map).phys = (br & 1) ? (br & 0xffff8000) : 0; \ - (map).size = (br & 1) ? (~(or & 0xffff8000) + 1) : 0; \ - switch (br & 0x00001800) { \ - case 0x00000000: \ - case 0x00000800: (map).bankwidth = 1; break; \ - case 0x00001000: (map).bankwidth = 2; break; \ - case 0x00001800: (map).bankwidth = 4; break; \ - } \ -} while (0); - -static int __init init_sbc82xx_flash(void) -{ - volatile memctl_cpm2_t *mc = &cpm2_immr->im_memctl; - int bigflash; - int i; - -#ifdef CONFIG_SBC8560 - mc = ioremap(0xff700000 + 0x5000, sizeof(memctl_cpm2_t)); -#else - mc = &cpm2_immr->im_memctl; -#endif - - bigflash = 1; - if ((mc->memc_br0 & 0x00001800) == 0x00001800) - bigflash = 0; - - init_sbc82xx_one_flash(sbc82xx_flash_map[0], mc->memc_br0, mc->memc_or0); - init_sbc82xx_one_flash(sbc82xx_flash_map[1], mc->memc_br6, mc->memc_or6); - init_sbc82xx_one_flash(sbc82xx_flash_map[2], mc->memc_br1, mc->memc_or1); - -#ifdef CONFIG_SBC8560 - iounmap((void *) mc); -#endif - - for (i=0; i<3; i++) { - int8_t flashcs[3] = { 0, 6, 1 }; - int nr_parts; - - printk(KERN_NOTICE "PowerQUICC II %s (%ld MiB on CS%d", - sbc82xx_flash_map[i].name, - (sbc82xx_flash_map[i].size >> 20), - flashcs[i]); - if (!sbc82xx_flash_map[i].phys) { - /* We know it can't be at zero. */ - printk("): disabled by bootloader.\n"); - continue; - } - printk(" at %08lx)\n", sbc82xx_flash_map[i].phys); - - sbc82xx_flash_map[i].virt = ioremap(sbc82xx_flash_map[i].phys, sbc82xx_flash_map[i].size); - - if (!sbc82xx_flash_map[i].virt) { - printk("Failed to ioremap\n"); - continue; - } - - simple_map_init(&sbc82xx_flash_map[i]); - - sbcmtd[i] = do_map_probe("cfi_probe", &sbc82xx_flash_map[i]); - - if (!sbcmtd[i]) - continue; - - sbcmtd[i]->owner = THIS_MODULE; - - nr_parts = parse_mtd_partitions(sbcmtd[i], part_probes, - &sbcmtd_parts[i], 0); - if (nr_parts > 0) { - add_mtd_partitions (sbcmtd[i], sbcmtd_parts[i], nr_parts); - continue; - } - - /* No partitioning detected. Use default */ - if (i == 2) { - add_mtd_device(sbcmtd[i]); - } else if (i == bigflash) { - add_mtd_partitions (sbcmtd[i], bigflash_parts, ARRAY_SIZE(bigflash_parts)); - } else { - add_mtd_partitions (sbcmtd[i], smallflash_parts, ARRAY_SIZE(smallflash_parts)); - } - } - return 0; -} - -static void __exit cleanup_sbc82xx_flash(void) -{ - int i; - - for (i=0; i<3; i++) { - if (!sbcmtd[i]) - continue; - - if (i<2 || sbcmtd_parts[i]) - del_mtd_partitions(sbcmtd[i]); - else - del_mtd_device(sbcmtd[i]); - - kfree(sbcmtd_parts[i]); - map_destroy(sbcmtd[i]); - - iounmap((void *)sbc82xx_flash_map[i].virt); - sbc82xx_flash_map[i].virt = 0; - } -} - -module_init(init_sbc82xx_flash); -module_exit(cleanup_sbc82xx_flash); - - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>"); -MODULE_DESCRIPTION("Flash map driver for WindRiver PowerQUICC II"); |