what's other SPD about your DIMM? Brand & model.... That bit means x4 DIMM.
YH > -----Original Message----- > From: Stefan Reinauer [mailto:[EMAIL PROTECTED] > Sent: Sunday, January 23, 2005 2:48 PM > To: [email protected] > Cc: [EMAIL PROTECTED] > Subject: error in k8 ram setup > > Hi, > > The following function in > freebios2/src/northbridge/amd/amdk8/raminit.c > is obviously wrong. > > static int update_dimm_x4(const struct mem_controller *ctrl, > const struct mem_param *param, int i) { > uint32_t dcl; > int value; > int dimm; > value = spd_read_byte(ctrl->channel0[i], 13); > if (value < 0) { > return -1; > } > dimm = i; > dimm += DCL_x4DIMM_SHIFT; > dcl = pci_read_config32(ctrl->f2, DRAM_CONFIG_LOW); > dcl &= ~(1 << dimm); > if (value == 4) { > dcl |= (1 << dimm); > } > pci_write_config32(ctrl->f2, DRAM_CONFIG_LOW, dcl); > return 1; > } > > > > Especially the part that checks the Primary SDRAM Width for a > value of 4. The SPD roms I am using have the value 8 in there > and memory does not initialize correctly. > > Checking (value == 4 || value == 8) or (value >= 0x4) helps, > but I have no idea whether that is correct. It appears that > something else has to be done. I've also seen RAMs with a > value of 0x10. > > Comments? Otherwise I am going to check (value >= 0x4) in > somewhen next week. > > Stefan > > _______________________________________________ Linuxbios mailing list [email protected] http://www.clustermatic.org/mailman/listinfo/linuxbios
