diff options
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/mpc83xx/cpu_init.c | 6 | ||||
| -rw-r--r-- | cpu/mpc83xx/spd_sdram.c | 7 |
2 files changed, 10 insertions, 3 deletions
diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c index 7224979..2b92be0 100644 --- a/cpu/mpc83xx/cpu_init.c +++ b/cpu/mpc83xx/cpu_init.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2006 Freescale Semiconductor, Inc. + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. * * See file CREDITS for list of people who contributed to this * project. @@ -155,6 +155,10 @@ void cpu_init_f (volatile immap_t * im) #ifdef CFG_DDRCDR im->sysconf.ddrcdr = CFG_DDRCDR; #endif + /* Output buffer impedance register */ +#ifdef CFG_OBIR + im->sysconf.obir = CFG_OBIR; +#endif #ifdef CONFIG_QE /* Config QE ioports */ diff --git a/cpu/mpc83xx/spd_sdram.c b/cpu/mpc83xx/spd_sdram.c index ee2d038..29dd470 100644 --- a/cpu/mpc83xx/spd_sdram.c +++ b/cpu/mpc83xx/spd_sdram.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2006 Freescale Semiconductor, Inc. + * (C) Copyright 2006-2007 Freescale Semiconductor, Inc. * * (C) Copyright 2006 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. @@ -198,6 +198,7 @@ long int spd_sdram() if(spd.mem_type == SPD_MEMTYPE_DDR2) { immap->sysconf.ddrcdr = CFG_DDRCDR_VALUE; } + udelay(50000); #endif /* @@ -576,7 +577,7 @@ long int spd_sdram() if (effective_data_rate == 266 || effective_data_rate == 333) { cpo = 0x7; /* READ_LAT + 5/4 */ } else if (effective_data_rate == 400) { - cpo = 0x9; /* READ_LAT + 7/4 */ + cpo = 0x7; /* READ_LAT + 5/4 */ } else { /* Automatic calibration */ cpo = 0x1f; @@ -705,9 +706,11 @@ long int spd_sdram() * SDRAM Cfg 2 */ odt_cfg = 0; +#ifndef CONFIG_NEVER_ASSERT_ODT_TO_CPU if (odt_rd_cfg | odt_wr_cfg) { odt_cfg = 0x2; /* ODT to IOs during reads */ } +#endif if (spd.mem_type == SPD_MEMTYPE_DDR2) { ddr->sdram_cfg2 = (0 | (0 << 26) /* True DQS */ |