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authorHeiko Schocher <hs@denx.de>2008-09-08 10:19:36 +0200
committerWolfgang Denk <wd@denx.de>2008-09-10 10:47:24 +0200
commita55d074dac24dc941f1afb5b4e94b1509bfdda4e (patch)
treed349a124057c8bf3c207a333776635088bc6b7c3 /board
parent52bacb9879e14e39dbb523c90981698927767a7f (diff)
muas3001: added 64MB SDRAM autodetection.
Signed-off-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'board')
-rw-r--r--board/muas3001/muas3001.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/board/muas3001/muas3001.c b/board/muas3001/muas3001.c
index 49aed037c2f..0ec451fbd55 100644
--- a/board/muas3001/muas3001.c
+++ b/board/muas3001/muas3001.c
@@ -253,8 +253,10 @@ phys_size_t initdram (int board_type)
{
volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8260_t *memctl = &immap->im_memctl;
-
long psize;
+#ifndef CFG_RAMBOOT
+ long sizelittle, sizebig;
+#endif
memctl->memc_psrt = CFG_PSRT;
memctl->memc_mptpr = CFG_MPTPR;
@@ -262,8 +264,16 @@ phys_size_t initdram (int board_type)
#ifndef CFG_RAMBOOT
/* 60x SDRAM setup:
*/
- psize = try_init (memctl, CFG_PSDMR, CFG_OR1,
+ sizelittle = try_init (memctl, CFG_PSDMR_LITTLE, CFG_OR1_LITTLE,
+ (uchar *) CFG_SDRAM_BASE);
+ sizebig = try_init (memctl, CFG_PSDMR_BIG, CFG_OR1_BIG,
(uchar *) CFG_SDRAM_BASE);
+ if (sizelittle < sizebig) {
+ psize = sizebig;
+ } else {
+ psize = try_init (memctl, CFG_PSDMR_LITTLE, CFG_OR1_LITTLE,
+ (uchar *) CFG_SDRAM_BASE);
+ }
#endif /* CFG_RAMBOOT */
icache_enable ();