Motorola MPC8240 User Manual page 543

addis r3,r0,BMC_BASE// Set MEAR2 (94)
ori r3,r3,MEMENDADDR2
stwbrx r3,0,r5
addis r4,r0,0xffdf
ori r4,r4,0xbf9f
stwbrx r4,0,r6
addis r3,r0,BMC_BASE// MEEAR1 (98) =
ori r3,r3,XMEMENDADDR1
stwbrx r3,0,r5
addis r4,r0,0x0000
ori r4,r4,0x0000
stwbrx r4,0,r6
addis r3,r0,BMC_BASE// MEEAR2 (9c) =
ori r3,r3,XMEMENDADDR2
stwbrx r3,0,r5
addis r4,r0,0x0000
ori r4,r4,0x0000
stwbrx r4,0,r6
//-------ODCR
addis r3,r0,BMC_BASE// Set ODCR
ori r3,r3,0x73
stwbrx r3,0,r5
sync
lbz r4, 3(r6)
// li r4, 0x00cd
// li r4, 0x00dc
// li r4, 0x00dd
li r4, 0x00ff
stb r4, 3(r6)
//-------MBEN
addis r3,r0,BMC_BASE// Set MBEN (a0)
ori r3,r3,0xa0
stwbrx r3,0,r5
li r4,0x03
stb r4, 0(r6)
//-------PGMAX
addis r3,r0,BMC_BASE
ori r3,r3,0xa3
stwbrx r3,0,r5
li r4, 0x0032
stb r4, 3(r6)
// Wait before initialize other registers
// read current register state
// 20 ohm memory bus
// 13 ohm memory bus
// 8 ohm memory bus
// -default settings-
// New settings.
// Enable bank 0 and 1 (for dual-
// bank SODIMMs.
// 33MHz value w/ROMFAL=8
// write the modified data to CONFIG_DATA
Appendix C. Initialization Example C-5