With the default settings in the current patch in trunk, I am seeing heavy
corruption with the CF cards in both the Avila and Cambria IXP4xx boards
from Gateworks. This patch adjusts the timing and has cleared up the
corruption issue.
Signed-off-by: Mark Kelly < mekelly5 at gmail dot com>
Index: target/linux/ixp4xx/patches-2.6.32/312-ixp4xx_pata_optimization.patch
===================================================================
--- target/linux/ixp4xx/patches-2.6.32/312-ixp4xx_pata_optimization.patch
(revision
21394)
+++ target/linux/ixp4xx/patches-2.6.32/312-ixp4xx_pata_optimization.patch
(working
copy)
@@ -104,7 +104,7 @@
+ *data->cs0_cfg = 0x80403c42;
+ break;
+ }
-+ udelay(5);
++ udelay(20);
/* Transfer multiple of 2 bytes */
if (rw == READ)
@@ -114,7 +114,7 @@
- udelay(100);
- *data->cs0_cfg |= 0x01;
-+ udelay(5);
++ udelay(20);
+ switch (pio_mask){
+ case 0:
+ *data->cs0_cfg = 0x8a473c03;
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