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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/tqm8260
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/tqm8260')
-rw-r--r--board/tqm8260/tqm8260.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/board/tqm8260/tqm8260.c b/board/tqm8260/tqm8260.c
index 556a1e3..a0a38ca 100644
--- a/board/tqm8260/tqm8260.c
+++ b/board/tqm8260/tqm8260.c
@@ -230,7 +230,7 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
volatile uint *orx_ptr;
int i;
ulong save[32]; /* to make test non-destructive */
- ulong maxsize;
+ ulong maxsize, size;
/* We must be able to test a location outsize the maximum legal size
* to find out THAT we are outside; but this address still has to be
@@ -299,7 +299,13 @@ 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);
}
@@ -308,10 +314,17 @@ 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 leaving the function.
+ */
+ 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);