diff options
| -rw-r--r-- | CHANGELOG | 3 | ||||
| -rw-r--r-- | board/cpu87/cpu87.c | 24 | ||||
| -rw-r--r-- | include/configs/CPU87.h | 24 |
3 files changed, 40 insertions, 11 deletions
@@ -2,6 +2,9 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Add support for 256 MB SDRAM on CPU87 + Patch by Josef Wagner, 25 Nov 2005 + * Add configuration for cam5200 board (based on TQM5200S). * More code cleanup diff --git a/board/cpu87/cpu87.c b/board/cpu87/cpu87.c index 8363d86..e8c2614 100644 --- a/board/cpu87/cpu87.c +++ b/board/cpu87/cpu87.c @@ -197,7 +197,7 @@ const iop_conf_t iop_conf_tab[4][32] = { */ int checkboard (void) { - printf ("Board: CPU87 (Rev %02x)\n", CPU86_REV); + printf ("Board: CPU87 (Rev %02x)\n", CPU86_REV & 0x7f); return 0; } @@ -280,7 +280,7 @@ long int initdram (int board_type) volatile memctl8260_t *memctl = &immap->im_memctl; #ifndef CFG_RAMBOOT - ulong size8, size9; + ulong size8, size9, size10; #endif long psize; @@ -294,17 +294,25 @@ long int initdram (int board_type) */ size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR2_8COL, (uchar *) CFG_SDRAM_BASE); + size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR2_9COL, (uchar *) CFG_SDRAM_BASE); - - if (size8 < size9) { - psize = size9; - printf ("(60x:9COL) "); - } else { + + size10 = try_init (memctl, CFG_PSDMR_10COL, CFG_OR2_10COL, + (uchar *) CFG_SDRAM_BASE); + + psize = max(size8,max(size9,size10)); + + if (psize == size8) { psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR2_8COL, (uchar *) CFG_SDRAM_BASE); printf ("(60x:8COL) "); - } + } else if (psize == size9){ + psize = try_init (memctl, CFG_PSDMR_9COL, CFG_OR2_9COL, + (uchar *) CFG_SDRAM_BASE); + printf ("(60x:9COL) "); + } else + printf ("(60x:10COL) "); #endif /* CFG_RAMBOOT */ diff --git a/include/configs/CPU87.h b/include/configs/CPU87.h index 9a98e5c..7a1dada 100644 --- a/include/configs/CPU87.h +++ b/include/configs/CPU87.h @@ -455,7 +455,7 @@ #define CFG_MIN_AM_MASK 0xC0000000 /* - * we use the same values for 32 MB and 128 MB SDRAM + * we use the same values for 32 MB, 128 MB and 256 MB SDRAM * refresh rate = 7.68 uS (100 MHz Bus Clock) */ @@ -510,6 +510,24 @@ PSDMR_WRC_1C |\ PSDMR_CL_2) + /* SDRAM initialization values for 10-column chips + */ +#define CFG_OR2_10COL (CFG_MIN_AM_MASK |\ + ORxS_BPD_4 |\ + ORxS_ROWST_PBI1_A4 |\ + ORxS_NUMR_13) + +#define CFG_PSDMR_10COL (PSDMR_PBI |\ + PSDMR_SDAM_A17_IS_A5 |\ + PSDMR_BSMA_A13_A15 |\ + PSDMR_SDA10_PBI1_A6 |\ + PSDMR_RFRC_7_CLK |\ + PSDMR_PRETOACT_2W |\ + PSDMR_ACTTORW_2W |\ + PSDMR_LDOTOPRE_1C |\ + PSDMR_WRC_1C |\ + PSDMR_CL_2) + /* * Init Memory Controller: * @@ -588,9 +606,9 @@ BRx_MS_SDRAM_P |\ BRx_V) -#define CFG_OR2_PRELIM CFG_OR2_9COL +#define CFG_OR2_PRELIM CFG_OR2_8COL -#define CFG_PSDMR CFG_PSDMR_9COL +#define CFG_PSDMR CFG_PSDMR_8COL #endif /* CFG_RAMBOOT */ /* Bank 3 - Dual Ported SRAM |