diff options
Diffstat (limited to 'cpu/mpc83xx/spd_sdram.c')
| -rw-r--r-- | cpu/mpc83xx/spd_sdram.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/cpu/mpc83xx/spd_sdram.c b/cpu/mpc83xx/spd_sdram.c index 8ee4234..3dfde8a 100644 --- a/cpu/mpc83xx/spd_sdram.c +++ b/cpu/mpc83xx/spd_sdram.c @@ -133,6 +133,26 @@ long int spd_sdram() /* Read SPD parameters with I2C */ +#ifdef CFG_83XX_DDR_USES_CS0 + ddr->csbnds[0].csbnds = (banksize(spd.row_dens) >> 24) - 1; + ddr->cs_config[0] = ( 1 << 31 + | (spd.nrow_addr - 12) << 8 + | (spd.ncol_addr - 8) ); + debug("\n"); + debug("cs0_bnds = 0x%08x\n",ddr->csbnds[0].csbnds); + debug("cs0_config = 0x%08x\n",ddr->cs_config[0]); + + if (spd.nrows == 2) { + ddr->csbnds[1].csbnds = ( (banksize(spd.row_dens) >> 8) + | ((banksize(spd.row_dens) >> 23) - 1) ); + ddr->cs_config[1] = ( 1<<31 + | (spd.nrow_addr-12) << 8 + | (spd.ncol_addr-8) ); + debug("cs1_bnds = 0x%08x\n",ddr->csbnds[1].csbnds); + debug("cs1_config = 0x%08x\n",ddr->cs_config[1]); + } + +#else CFG_READ_SPD(SPD_EEPROM_ADDRESS, 0, 1, (uchar *) & spd, sizeof (spd)); #ifdef SPD_DEBUG spd_debug(&spd); @@ -180,6 +200,7 @@ long int spd_sdram() debug("cs3_bnds = 0x%08x\n",ddr->csbnds[3].csbnds); debug("cs3_config = 0x%08x\n",ddr->cs_config[3]); } +#endif if (spd.mem_type != 0x07) { puts("No DDR module found!\n"); |