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imx233: merge sd and mmc drivers, fix dma issues

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Merge sd and mmc drivers into a single sdmmc driver. This allows
some factoring of the code and simplify bug fixing. Also fix the
dma/cache related issue by doing all transfers via a correctly
aligned buffer. The current code is not smart enough to take
advantage of large user buffers currently but at least it is safe!

Change-Id: Ib0fd16dc7d52ef7bfe99fd586e03ecf08691edcd
This commit is contained in:
Amaury Pouly 2012-08-18 18:24:42 +02:00
parent 4604e984e8
commit 4908b8eb1c
5 changed files with 877 additions and 823 deletions
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2
firmware/export/sdmmc.h
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@ -39,13 +39,13 @@ typedef struct
unsigned int r2w_factor;
unsigned long numblocks; /* size in flash blocks */
unsigned int blocksize; /* block size in bytes */
unsigned long rca; /* RCA register */
#if (CONFIG_STORAGE & STORAGE_MMC)
unsigned char bitrate_register;
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
unsigned long rca; /* RCA register */
unsigned int current_bank;
#endif
} tCardInfo;