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path: root/drivers/mmc/at91_mci.c
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* mmc: Move host and card drivers to subdirsPierre Ossman2007-05-011-1001/+0
| | | | | | | Clean up the drivers/mmc directory by moving card and host drivers into subdirectories. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* mmc: Move OCR bit definesPierre Ossman2007-05-011-1/+0
| | | | | | | All host drivers were #include:ing mmc/protocol.h just to get access to the OCR bit defines. Move these to host.h instead. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2007-02-191-23/+23
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (117 commits) [ARM] 4058/2: iop32x: set ->broken_parity_status on n2100 onboard r8169 ports [ARM] 4140/1: AACI stability add ac97 timeout and retries [ARM] 4139/1: AACI record support [ARM] 4138/1: AACI: multiple channel support for IRQ handling [ARM] 4211/1: Provide a defconfig for ns9xxx [ARM] 4210/1: base for new machine type "NetSilicon NS9360" [ARM] 4222/1: S3C2443: Remove reference to missing S3C2443_PM [ARM] 4221/1: S3C2443: DMA support [ARM] 4220/1: S3C24XX: DMA system initialised from sysdev [ARM] 4219/1: S3C2443: DMA source definitions [ARM] 4218/1: S3C2412: fix CONFIG_CPU_S3C2412_ONLY wrt to S3C2443 [ARM] 4217/1: S3C24XX: remove the dma channel show at startup [ARM] 4090/2: avoid clash between PXA and SA1111 defines [ARM] 4216/1: add .gitignore entries for ARM specific files [ARM] 4214/2: S3C2410: Add Armzone QT2410 [ARM] 4215/1: s3c2410 usb device: per-platform vbus_draw [ARM] 4213/1: S3C2410 - Update definition of ADCTSC_XY_PST [ARM] 4098/1: ARM: rtc_lock only used with rtc_cmos [ARM] 4137/1: Add kexec support [ARM] 4201/1: SMP barriers pair needed for the secondary boot process ... Fix up conflict due to typedef removal in sound/arm/aaci.h
| * [ARM] 4151/1: AT91 / AVR32: Move at91_pdc.h to linux/atmel_pdc.hAndrew Victor2007-02-081-23/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Atmel AT91 and AVR32 processor architectures share many of the same peripherals. The PDC (Peripheral Data Controller) registers are also implemented within in a number of the on-chip peripherals (eg, USART, MMC, SPI, SSC, etc). In a attempt not to duplicate the register definitions in each peripheral, or in each architecture, the at91_pdc.h header in asm-arm/arch-at91 and asm-avr32/arch-at32ap has been replaced with linux/atmel_pdc.h. The definitions have also been renamed from AT91_PDC_* to ATMEL_PDC_*, and the drivers updated accordingly. Original patch from Nicolas Ferre. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Acked-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | mmc: Allow host drivers to specify max block countPierre Ossman2007-02-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Many controllers have an upper limit on the number of blocks that can be transferred in one request. Allow the host drivers to specify this and make sure we avoid hitting this limit. Also change the max_sectors field to avoid confusion. This makes it map less directly to the block layer limits, but as they didn't apply directly on MMC cards anyway, this isn't a great loss. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* | mmc: Allow host drivers to specify a max block sizePierre Ossman2007-02-041-0/+2
|/ | | | | | | Most controllers have an upper limit on the block size. Allow the host drivers to specify this and make sure we avoid hitting this limit. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* MMC: at91 mmc linkage updatesDavid Brownell2007-01-041-6/+5
| | | | | | | | | | | | | | Linker level tweaks for the AT91 MMC driver: - fix a wrongly-exported symbol - move probe() to init section - move remove() to exit section When this driver is statically linked, this patch shrinks the driver's runtime I-space footprint by over 20% (950 bytes). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* AT91 MMC update for 2.6.19Andrew Victor2006-12-111-17/+24
| | | | | | | | | | | | | | | | | | | | | | The driver is usable on the newer SAM9 processors so replace all text references to AT91RM9200 with just AT91. The controller bug where all the words are byte-swapped is fixed on the AT91SAM9 processors. The byte-swapping work-around therefore only needs to be done if cpu_is_at91rm9200(). [Original patch from Wojtek Kaniewski] The AT91RM9200 and AT91SAM9260 processors support two MMC/SD slots - the slot which is connected is now passed via the platform_data and the correct slot selected in the AT91_MCI_SDCR register. The driver should not be calling at91_set_gpio_output() since the VCC pin should have already been configured as an output in the processor/board setup code. The driver should call at91_set_gpio_value(). Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* AT91 MMC 5 : Minor cleanupsAndrew Victor2006-12-111-9/+9
| | | | | | | | | A number of small cleanups to the AT91RM9200 MMC driver: - fix warnings generated by pr_debug(). - prepend "AT91 MMC:" to printk() messages. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* AT91 MMC 4 : Interrupt handler cleanupAndrew Victor2006-12-111-45/+43
| | | | | | | | | | | This patch simplifies the AT91RM9200 MMC interrupt handler code so that it doesn't re-read the Interrupt Status and Interrupt Mask registers multiple times. Also defined AT91_MCI_ERRORS instead of using the hard-coded 0xffff0000. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* AT91 MMC 3 : Move global mci_clk variableAndrew Victor2006-12-111-11/+11
| | | | | | | | Move the global 'mci_clk' variable into the local 'at91mci_host' structure. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* AT91 MMC 2 : Use platform resourcesAndrew Victor2006-12-111-7/+34
| | | | | | | | Use the I/O base-address and IRQ passed to the driver via the platform_device resources instead of using hardcoded values. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* AT91 MMC 1: Pass host structure.Andrew Victor2006-12-111-89/+81
| | | | | | | | | The I/O base address is now stored in the 'at91mci_host' structure. We therefore have to pass this structure to at91_mci_read() and at91_mci_write(). Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2006-12-071-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (76 commits) [ARM] 4002/1: S3C24XX: leave parent IRQs unmasked [ARM] 4001/1: S3C24XX: shorten reboot time [ARM] 3983/2: remove unused argument to __bug() [ARM] 4000/1: Osiris: add third serial port in [ARM] 3999/1: RX3715: suspend to RAM support [ARM] 3998/1: VR1000: LED platform devices [ARM] 3995/1: iop13xx: add iop13xx support [ARM] 3968/1: iop13xx: add iop13xx_defconfig [ARM] Update mach-types [ARM] Allow gcc to optimise arm_add_memory a little more [ARM] 3991/1: i.MX/MX1 high resolution time source [ARM] 3990/1: i.MX/MX1 more precise PLL decode [ARM] 3986/1: H1940: suspend to RAM support [ARM] 3985/1: ixp4xx clocksource cleanup [ARM] 3984/1: ixp4xx/nslu2: Fix disk LED numbering (take 2) [ARM] 3994/1: ixp23xx: fix handling of pci master aborts [ARM] 3981/1: sched_clock for PXA2xx [ARM] 3980/1: extend the ARM Versatile sched_clock implementation from 32 to 63 bit [ARM] 3979/1: extend the SA11x0 sched_clock implementation from 32 to 63 bit period [ARM] 3978/1: macro to provide a 63-bit value from a 32-bit hardware counter ...
| * [ARM] 3954/1: AT91: Update drivers for new headersAndrew Victor2006-11-301-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | This patch updates the drivers (and other files) which include the hardware headers. This fixes the breakage introduced in patches 3950/1 and 3951/1 (those patches were getting big). The AVR32 architecture uses the same serial driver and had its own copy of at91rm9200_pdc.h. Renamed it to at91_pdc.h Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | mmc: constify mmc_host_ops vectorsDavid Brownell2006-12-011-1/+1
|/ | | | | | | | Now that mmc_host_ops can be constified, update the various drivers to constify those method tables and shrink the writable data segment. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* IRQ: Maintain regs pointer globally rather than passing to IRQ handlersDavid Howells2006-10-051-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
* Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2006-09-281-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (130 commits) [ARM] 3856/1: Add clocksource for Intel IXP4xx platforms [ARM] 3855/1: Add generic time support [ARM] 3873/1: S3C24XX: Add irq_chip names [ARM] 3872/1: S3C24XX: Apply consistant tabbing to irq_chips [ARM] 3871/1: S3C24XX: Fix ordering of EINT4..23 [ARM] nommu: confirms the CR_V bit in nommu mode [ARM] nommu: abort handler fixup for !CPU_CP15_MMU cores. [ARM] 3870/1: AT91: Start removing static memory mappings [ARM] 3869/1: AT91: NAND support for DK and KB9202 boards [ARM] 3868/1: AT91 hardware header update [ARM] 3867/1: AT91 GPIO update [ARM] 3866/1: AT91 clock update [ARM] 3865/1: AT91RM9200 header updates [ARM] 3862/2: S3C2410 - add basic power management support for AML M5900 series [ARM] kthread: switch arch/arm/kernel/apm.c [ARM] Off-by-one in arch/arm/common/icst* [ARM] 3864/1: Refactore sharpsl_pm [ARM] 3863/1: Add Locomo SPI Device [ARM] 3847/2: Convert LOMOMO to use struct device for GPIOs [ARM] Use CPU_CACHE_* where possible in asm/cacheflush.h ...
| * [ARM] 3865/1: AT91RM9200 header updatesAndrew Victor2006-09-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is more preparation for adding support for the new Atmel AT91SAM9 processors. Changes include: - Replace AT91_BASE_* with AT91RM9200_BASE_* - Replace AT91_ID_* with AT91RM9200_ID_* - ROM, SRAM and UHP address definitions moved to at91rm9200.h. - The raw AT91_P[ABCD]_* definitions are now depreciated in favour of the GPIO API. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [MMC] MMC_CAP_BYTEBLOCK flag for non-log2 block sizes capable hostsRussell King2006-09-241-0/+1
|/ | | | | | | | | | | | | | | | Some MMC hosts can only handle log2 block sizes. Unfortunately, the MMC password support needs to be able to send non-log2 block sizes. Provide a capability so that the MMC password support can decide whether it should use this support or not. The unfortunate side effect of this host limitation is that any MMC card protected by a password which is not a log2 block size can not be accessed on a host which only allows a log2 block size. This change just adds the flag. The MMC password support code needs updating to use it (if and when it is finally submitted.) Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] irq-flags: misc drivers: Use the new IRQF_ constantsThomas Gleixner2006-07-021-1/+1
| | | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-301-1/+0
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [ARM] 3565/1: AT91RM9200 MMC updateAndrew Victor2006-06-191-74/+65
| | | | | | | | | | | | | | | | | | Patch from Andrew Victor This patch includes code cleanups and minor fixes to the AT91RM9200 MMC driver. 1. Replace calls to DBG() with pr_debug(). 2. 'host' can never be null, so don't bother checking for that case. 3. Remove SA_SAMPLE_RANDOM from request_irq(). [Patch from Matt Mackall] 4. clk_get() doesn't return NULL on error - need to test returned value with IS_ERR(). 5. Free resources if clk_get() or request_irq() fails. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [MMC] Convert all hosts except mmci to use data->blkszRussell King2006-06-191-1/+1
| | | | | | | | | | | | | The MMC specification allows non-power of two block sizes. As such, we should not pass the log2 block size to host drivers, but instead pass the byte size. However, ARM MMCI can only work with log2 block size, so continue to pass both the log2 block size and byte block size. This means that for the moment, the byte block size must remain a power of two, but this is the first stage of removing this restriction for other hosts. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [MMC] Move set_ios debugging into mmc.cRussell King2006-05-041-3/+0
| | | | | | | | Rather than having every driver duplicate the set_ios debugging, provide a single version in mmc.c which can be expanded as we add additional functionality. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3456/1: AT91RM9200 support for 2.6 (MMC/SD driver)Andrew Victor2006-04-021-0/+988
Patch from Andrew Victor This patch adds support for the MMC/SD card interface on the Atmel AT91RM9200 processor. Original driver was by Nick Randell, but a number of people have subsequently worked on it. It's currently maintained by Malcolm Noyes. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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