diff options
Diffstat (limited to 'board/freescale/mpc8308rdb/sdram.c')
| -rw-r--r-- | board/freescale/mpc8308rdb/sdram.c | 31 |
1 files changed, 1 insertions, 30 deletions
diff --git a/board/freescale/mpc8308rdb/sdram.c b/board/freescale/mpc8308rdb/sdram.c index 939c1b85b..1a6b9c728 100644 --- a/board/freescale/mpc8308rdb/sdram.c +++ b/board/freescale/mpc8308rdb/sdram.c @@ -38,20 +38,6 @@ DECLARE_GLOBAL_DATA_PTR; -static void resume_from_sleep(void) -{ - u32 magic = *(u32 *)0; - - typedef void (*func_t)(void); - func_t resume = *(func_t *)4; - - if (magic == 0xf5153ae5) - resume(); - - gd->flags &= ~GD_FLG_SILENT; - puts("\nResume from sleep failed: bad magic word\n"); -} - /* Fixed sdram init -- doesn't use serial presence detect. * * This is useful for faster booting in configs where the RAM is unlikely @@ -68,12 +54,6 @@ static long fixed_sdram(void) out_be32(&im->sysconf.ddrlaw[0].ar, LBLAWAR_EN | (msize_log2 - 1)); out_be32(&im->sysconf.ddrcdr, CONFIG_SYS_DDRCDR_VALUE); - /* - * Erratum DDR3 requires a 50ms delay after clearing DDRCDR[DDR_cfg], - * or the DDR2 controller may fail to initialize correctly. - */ - udelay(50000); - out_be32(&im->ddr.csbnds[0].csbnds, (msize - 1) >> 24); out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG); @@ -86,13 +66,7 @@ static long fixed_sdram(void) out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2); out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0); - if (in_be32(&im->pmc.pmccr1) & PMCCR1_POWER_OFF) { - out_be32(&im->ddr.sdram_cfg, - CONFIG_SYS_DDR_SDRAM_CFG | SDRAM_CFG_BI); - } else { - out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG); - } - + out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG); out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_DDR_SDRAM_CFG2); out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE); out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE2); @@ -118,9 +92,6 @@ phys_size_t initdram(int board_type) /* DDR SDRAM */ msize = fixed_sdram(); - if (in_be32(&im->pmc.pmccr1) & PMCCR1_POWER_OFF) - resume_from_sleep(); - /* return total bus SDRAM size(bytes) -- DDR */ return msize; } |