Dear Sascha,
Sascha Hauer a écrit :
+void imx_nand_set_layout(int writesize, int datawidth)
+{
+ unsigned int fmcr;
+
+ fmcr = readl(FMCR);
+
are you sure this works ?
FMCR is (*((volatile u32 *)(x))) (0x10027814) and thus this leads to a
date abort.
here is the fix (at least on my imx27 board) :
Signed-off-by: Eric Benard <eric@xxxxxxxxxx>
diff --git a/arch/arm/mach-imx/nand.c b/arch/arm/mach-imx/nand.c
index 5b5f78b..01b8058 100644
--- a/arch/arm/mach-imx/nand.c
+++ b/arch/arm/mach-imx/nand.c
@@ -68,7 +68,7 @@ void imx_nand_set_layout(int writesize, int datawidth)
{
unsigned int fmcr;
- fmcr = readl(FMCR);
+ fmcr = FMCR;
switch (writesize) {
case 512:
@@ -92,7 +92,7 @@ void imx_nand_set_layout(int writesize, int datawidth)
break;
}
- writel(fmcr, FMCR);
+ FMCR = fmcr;
}
#else
Eric
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