diff options
Diffstat (limited to 'cpu/mpc85xx/spd_sdram.c')
| -rw-r--r-- | cpu/mpc85xx/spd_sdram.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/cpu/mpc85xx/spd_sdram.c b/cpu/mpc85xx/spd_sdram.c index 679f360..5dc223a 100644 --- a/cpu/mpc85xx/spd_sdram.c +++ b/cpu/mpc85xx/spd_sdram.c @@ -692,13 +692,10 @@ spd_sdram(void) */ cpo = 0; if (spd.mem_type == SPD_MEMTYPE_DDR2) { - if (effective_data_rate == 266 || effective_data_rate == 333) { + if (effective_data_rate <= 333) { cpo = 0x7; /* READ_LAT + 5/4 */ - } else if (effective_data_rate == 400) { - cpo = 0x9; /* READ_LAT + 7/4 */ } else { - /* Pure speculation */ - cpo = 0xb; + cpo = 0x9; /* READ_LAT + 7/4 */ } } @@ -905,7 +902,12 @@ spd_sdram(void) if (spd.mem_type == SPD_MEMTYPE_DDR) clk_adjust = 0x6; else +#ifdef CONFIG_MPC8568 + /* Empirally setting clk_adjust */ + clk_adjust = 0x6; +#else clk_adjust = 0x7; +#endif ddr->sdram_clk_cntl = (0 | 0x80000000 |