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| author | Jack Halpin <jack.halpin@gmail.com> | 2009-09-25 01:38:51 +0000 |
|---|---|---|
| committer | Jack Halpin <jack.halpin@gmail.com> | 2009-09-25 01:38:51 +0000 |
| commit | 68089db6db83e78fa6637984612c81226a33b02b (patch) | |
| tree | 12db95b82f09ab29fa34e9f1bb82d7400a6326f0 /firmware | |
| parent | f2cd5ec6af19f7ab438c770c3383c3a1741d8e4f (diff) | |
| download | rockbox-68089db6db83e78fa6637984612c81226a33b02b.zip rockbox-68089db6db83e78fa6637984612c81226a33b02b.tar.gz rockbox-68089db6db83e78fa6637984612c81226a33b02b.tar.bz2 rockbox-68089db6db83e78fa6637984612c81226a33b02b.tar.xz | |
AMS Sansa: Add delay for µSD writes to fix CRC failures with class 6 µSD cards.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22825 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware')
| -rw-r--r-- | firmware/target/arm/as3525/ata_sd_as3525.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/firmware/target/arm/as3525/ata_sd_as3525.c b/firmware/target/arm/as3525/ata_sd_as3525.c index 995bf93..fc5e2f8 100644 --- a/firmware/target/arm/as3525/ata_sd_as3525.c +++ b/firmware/target/arm/as3525/ata_sd_as3525.c @@ -735,6 +735,14 @@ static int sd_transfer_sectors(IF_MD2(int drive,) unsigned long start, wakeup_wait(&transfer_completion_signal, TIMEOUT_BLOCK); + + /* Higher speed class cards need a write delay here for some reason */ + if((drive == SD_SLOT_AS3525) && write) + { + int delay = 3500; + while(delay--) asm volatile ("nop\n"); + } + if(!transfer_error[drive]) { if(!write) |