- 15 Jul, 2008 40 commits
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Ben Dooks authored
Add Ben Dooks as S3C24XX SD/MMC driver maintainer. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Ben Dooks authored
Add better debugging to show where errors are being generated, as some error codes can come from several different code paths. Also fix the error return path from s3cmci_setup_data() to return the error it returned to the request. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Ben Dooks authored
Ensure that we have physical media present before attempting to send a request to a card. This ensures that we do not get flooded by errors from commands that can never be completed timing out. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Ben Dooks authored
mmc_detect_change() takes jiffies, not msecs. Convert the previous value of msecs into jiffies before calling. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Ben Dooks authored
Add MODULE_ALIAS() declerations for all the supported platform devices for this driver. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Ben Dooks authored
The driver should be checking for a negative error code from s3c2410_dma_request(), not non-zero. Newer kernels now return the DMA channel number that was allocated by the request. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Ben Dooks authored
Add support to the S3C24XX MMC driver to have the card detect be on a pin that is not IRQ capable. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Ben Dooks authored
Fix a crash if host->mrq->data is NULL on ending a transfer. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Ben Dooks authored
Support for inverting the sense of the MMC driver's write protect detection line. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Ben Dooks authored
This patch adds platform data support to the s3mci driver. This allows flexible board-specific configuration of set_power, card detect and read only pins. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Roman Moracik authored
Fix Bug #677 - I/O errors on heavy microSD writes for 2.6.22.x. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Thomas Kleffel authored
is stopped. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Harald Welte <laforge@openmoko.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Harald Welte authored
Bugfix to ensure DMA channel allocated is freed on exit. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Harald Welte authored
This patch is a workaround of some S3C2410 MMC chip bug Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Thomas Kleffel authored
This is the latest S3C MMC/SD driver by Thomas Kleffel with cleanups as suggested by AKPM done by Ben Dooks. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Thomas Kleffel <tk@maintech.de> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Pierre Ossman authored
Be a bit more robust and fall back to PIO if someone is feeding us bogus addresses. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Pierre Ossman authored
Clean up and reorganise the mmc_test driver so that it (hopefully) is easier to extend with more complex tests. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Pierre Ossman authored
Many failures are non-permanent, but the card might need some time to finish what it is doing before becoming responsive again. Make sure we wait for it to finish programming before dealing with the error. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Pierre Ossman authored
Add support for the scatter-gather DMA mode present on newer controllers. As the mode requires 32-bit alignment, non-aligned chunks are handled by using a bounce buffer. Also add some new quirks to handle controllers that have bugs in the ADMA engine. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Pierre Ossman authored
The upcoming JMicron chips will have solved all the currently known bugs, so don't penalize them for older problems. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Pierre Ossman authored
We can only perform the tests on MMC and SD cards, so avoid binding to any other type. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Pierre Ossman authored
Make sure that the maximum size for a byte mode transfer is identical in all places. Also tweak the transfer helper so that a single byte mode transfer is preferred over (possibly multiple) block mode request(s). Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Pierre Ossman authored
There are a lot of crappy controllers out there that cannot handle all the request sizes that the MMC/SD/SDIO specifications require. In case the card driver can pad the data to overcome the problems, this commit adds a helper that calculates how much that padding should be. A corresponding helper is also added for SDIO, but it can also deal with all the complexities of splitting up a large transfer efficiently. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Manuel Lauss authored
The MMC core provides a carddetect poll feature, time to remove the driver's own implementation of it. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Manuel Lauss authored
Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Manuel Lauss authored
Don't process an MMC request if no card is present. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Manuel Lauss authored
Clean up the codebase, no functional changes. - merge the au1xmmc.h header contents into the driver file, - indentation, spelling and style fixes. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Manuel Lauss authored
Wire up the SD controllers' SDIO IRQ capability. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Manuel Lauss authored
Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Manuel Lauss authored
Remove the DB1200 board-specific functions (card present, read-only, activity LED methods) and instead add platform data which is passed to the driver. This also allows for platforms to implement other carddetect schemes (e.g. dedicated irq) without having to pollute the driver code. The poll timer (used for pb1200) is kept for compatibility. With the board-specific stuff gone, the driver's ->probe() code can be cleaned up considerably. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Ville Syrjala authored
The byte mode support fails to clear the byte mode bit in the command register, possibly leaving byte mode enabled with the counters programmed in non-byte mode. Signed-off-by: Ville Syrjala <syrjala@sci.fi> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Ville Syrjala authored
According to the documentation the AT91SAM9261 MCI shares the block size limitations of the AT91RM9200 MCI. Also the errata documentation for AT91RM9200 and AT91SAM9261 state that stream commands are not supported. This has not been tested on actual hardware. Signed-off-by: Ville Syrjala <syrjala@sci.fi> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Ville Syrjala authored
AT91SAM926[0/3] PDC must write at least 12 bytes. The code compiles and runs but the actual condition for this erratum did not trigger in my tests so it's unclear if it actually works as intended. Signed-off-by: Ville Syrjala <syrjala@sci.fi> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Nicolas Ferre authored
In at91_mci_completed_command() function, this patch distinguishes command error and data error. It reports it in the corresponding error field. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Nicolas Ferre authored
Reading AT91_MCI_SR again at the end of transfer can corrupt the error reporting. Some fields in the SR register are read-and-clear. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Eric Benard authored
Enable SDIO interrupt handling. Signed-off-by: Eric Benard <ebenard@free.fr> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Nicolas Ferre authored
at91_mci is capable of multiwrite. Enable it before it disappears. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Nicolas Ferre authored
Modify bytes_xfered value after a write. That will report, as accurately as possible, the amount of sectors that are effectively written. This update introduces the check of the busy signal given by the card. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Marc Pignat authored
The at91 mci controller internal state machine seems to often crash. This can be fixed by resetting the controller after each command for at91rm9200 and by setting the MCI_BLKR register on at91sam926*. Signed-off-by: Marc Pignat <marc.pignat@hevs.ch> Signed-off-by: Hans J Koch <hjk@linutronix.de> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Marc Pignat authored
Detect command timeout (or mci controller hangs). Signed-off-by: Marc Pignat <marc.pignat@hevs.ch> Signed-off-by: Hans J Koch <hjk@linutronix.de> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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