diff options
Diffstat (limited to 'cpu/ppc4xx/spd_sdram.c')
| -rw-r--r-- | cpu/ppc4xx/spd_sdram.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/cpu/ppc4xx/spd_sdram.c b/cpu/ppc4xx/spd_sdram.c index 289ad12..418b9da 100644 --- a/cpu/ppc4xx/spd_sdram.c +++ b/cpu/ppc4xx/spd_sdram.c @@ -432,9 +432,15 @@ long int spd_sdram(int(read_spd)(uint addr)) tmp = SDRAM0_BXCR_SZ(bank_code) | SDRAM0_BXCR_AM(mode) | 1; sdram0_b0cr = (bank_size) * 0 | tmp; +#ifndef CONFIG_405EP /* not on PPC405EP */ if(bank_cnt>1) sdram0_b2cr = (bank_size) * 1 | tmp; if(bank_cnt>2) sdram0_b1cr = (bank_size) * 2 | tmp; if(bank_cnt>3) sdram0_b3cr = (bank_size) * 3 | tmp; +#else + /* PPC405EP chip only supports two SDRAM banks */ + if(bank_cnt>1) sdram0_b1cr = (bank_size) * 1 | tmp; + if(bank_cnt>2) total_size -= (bank_size) * (bank_cnt - 2); +#endif /* @@ -464,8 +470,10 @@ long int spd_sdram(int(read_spd)(uint addr)) mtsdram0( mem_pmit , sdram0_pmit ); mtsdram0( mem_mb0cf , sdram0_b0cr ); mtsdram0( mem_mb1cf , sdram0_b1cr ); +#ifndef CONFIG_405EP /* not on PPC405EP */ mtsdram0( mem_mb2cf , sdram0_b2cr ); mtsdram0( mem_mb3cf , sdram0_b3cr ); +#endif mtsdram0( mem_sdtr1 , sdram0_tr ); /* SDRAM have a power on delay, 500 micro should do */ |