linux-toradex.git/drivers/mmc/host, branch PD13.0.0alpha

ENGR00212262-3: Faraday:Enable the ADMA2 function for SDHC

2012-09-12T20:50:07+00:00

This patch enable the ADMA2 function for the SDHC module used
on Faraday board. Please note that the ADMA address should be 16
bytes aligned other than 4 byte in the spec.

This patch also increased the SDHC module frequency to 200MHz.

Signed-off-by: Jason Jin

ENGR219460:There is call trace when the SD card removed and then pluged-into

2012-09-12T20:49:59+00:00

The call trace introduced by the card interrupt. This patch try to fix
this by disabling the card interrupt.

Signed-off-by: Jason Jin

ENGR00212262-2: esdhc: add esdhc controller support for MVF

2012-09-12T20:49:44+00:00

Add esdhc controller support for MVF.
The wp_pin for esdhc should be disabled.

Signed-off-by: Jason Jin

ENGR00175864 [MMC]pipeline mmc requests

2012-03-07T06:26:20+00:00

the patch is based on a series of patches by Per Forlin
the patch is sdhci host side implementation.

using a toshiba SDHC3.0 card, the performance increases
from 48.5MB/s to 52.4MB/s.

cmd: dd if=/dev/mmcblk0 of=/dev/null bs=1M count=500

the performance results running@1GHz, 200MHz CPU freq are:
52.4MB/s -> 20.7MB/s

Signed-off-by: Tony Lin

mmc: mmci: implement pre_req() and post_req()

2012-03-01T06:45:06+00:00

pre_req() runs dma_map_sg() and prepares the dma descriptor for the next
mmc data transfer. post_req() runs dma_unmap_sg.  If not calling pre_req()
before mmci_request(), mmci_request() will prepare the cache and dma just
like it did it before.  It is optional to use pre_req() and post_req()
for mmci.

Signed-off-by: Per Forlin 
Tested-by: Linus Walleij 
Signed-off-by: Chris Ball

mmc: omap_hsmmc: add support for pre_req and post_req

2012-03-01T06:45:06+00:00

pre_req() runs dma_map_sg(), post_req() runs dma_unmap_sg.  If not calling
pre_req() before omap_hsmmc_request(), dma_map_sg will be issued before
starting the transfer.  It is optional to use pre_req().  If issuing
pre_req(), post_req() must be called as well.

Signed-off-by: Per Forlin 
Reviewed-by: Venkatraman S 
Tested-by: Sourav Poddar 
Signed-off-by: Chris Ball

ENGR00175692-03 [MX6DL] SD3.0: can not recognize SD3.0 cards on some boards.

2012-02-29T07:32:05+00:00

Improve SD3.0 compatibility: reset host controller before changing clk
tuning ctrl reg.

Signed-off-by: Ryan QIAN

ENGR00175321 [MX6]MMCSD: eMMC4.4 failed to work after resume

2012-02-24T10:00:28+00:00

- clear ddr_en bit on non ddr timing mode in platform code.

Signed-off-by: Ryan QIAN

ENGR00175221-02 [MX6] MMCSD: clear EXE_TUNE bit after tuning finishes.

2012-02-23T06:30:02+00:00

- add hook for post tuning in common code
- add hook for post tuning for platform code to deal with clean up stuff on
finishing tuning.

Signed-off-by: Ryan QIAN

ENGR00175221-01 [MX6] MMCSD: clear EXE_TUNE bit after tuning finishes.

2012-02-23T06:30:02+00:00

- clear exe_tune flag after tuning in platform code, otherwise it
will reduce io performance for SDR104 cards.

- add platform code to clear exe_tune bit after tuning completes.

Signed-off-by: Ryan QIAN