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authorwdenk <wdenk>2003-10-29 23:18:55 +0000
committerwdenk <wdenk>2003-10-29 23:18:55 +0000
commit5fa66df63afe2841ce27596996811469903373a7 (patch)
treec57de575d2c6b4b1946caf9105ef44c20a3b074e /board/atc
parenta0f2fe524c63b3be90e18c89fc62673b1cf8fc6b (diff)
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* Prepare for release
* Fix problems in memory test on some boards (which was not non-destructive as intended) * Patch by Gary Jennejohn, 28 Oct 2003: Change fs/fat/fat.c to put I/O buffers in BSS instead on the stack to prevent stack overflow on ARM systems
Diffstat (limited to 'board/atc')
-rw-r--r--board/atc/atc.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/board/atc/atc.c b/board/atc/atc.c
index 9aa942f..fad7646 100644
--- a/board/atc/atc.c
+++ b/board/atc/atc.c
@@ -269,7 +269,7 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
ulong orx, volatile uchar * base)
{
volatile uchar c = 0xff;
- ulong cnt, val;
+ ulong cnt, val, size;
volatile ulong *addr;
volatile uint *sdmr_ptr;
volatile uint *orx_ptr;
@@ -344,7 +344,13 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
*addr = 0;
if ((val = *addr) != 0) {
+ /* Restore the original data before leaving the function.
+ */
*addr = save[i];
+ for (cnt = 1; cnt <= maxsize / sizeof(long); cnt <<= 1) {
+ addr = (volatile ulong *) base + cnt;
+ *addr = save[--i];
+ }
return (0);
}
@@ -353,10 +359,17 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
+ size = cnt * sizeof (long);
+ /* Restore the original data before returning
+ */
+ for (cnt <<= 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
+ addr = (volatile ulong *) base + cnt;
+ *addr = save[--i];
+ }
/* Write the actual size to ORx
*/
- *orx_ptr = orx | ~(cnt * sizeof (long) - 1);
- return (cnt * sizeof (long));
+ *orx_ptr = orx | ~(size - 1);
+ return (size);
}
}
return (maxsize);