northbridge/intel/x4x: Native raminit

Passes memtest86+ with either one or two sticks of 2GB ram
but memory map needs a hole at 0xa0000000 to 0xc0000000

Change-Id: Ib34d862cb48b49c054a505fffcba1c17aeb39436
Signed-off-by: Damien Zammit <damien@zamaudio.com>
Reviewed-on: https://review.coreboot.org/11307
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

3 files changed, 2481 insertions, 0 deletions

diff --git a/src/northbridge/intel/x4x/Makefile.inc b/src/northbridge/intel/x4x/Makefile.inc
index 8d1247e3a952..34d9b0fdd7b1 100644
--- a/src/northbridge/intel/x4x/Makefile.inc
+++ b/src/northbridge/intel/x4x/Makefile.inc
@@ -17,6 +17,8 @@
 ifeq ($(CONFIG_NORTHBRIDGE_INTEL_X4X),y)
 
 romstage-y += early_init.c
+romstage-y += raminit.c
+romstage-y += raminit_ddr2.c
 romstage-y += ram_calc.c
 
 ramstage-y += acpi.c
diff --git a/src/northbridge/intel/x4x/raminit.c b/src/northbridge/intel/x4x/raminit.c
new file mode 100644
index 000000000000..613011fa985e
--- /dev/null
+++ b/src/northbridge/intel/x4x/raminit.c
@@ -0,0 +1,500 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/io.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/mtrr.h>
+#include <delay.h>
+#include <halt.h>
+#include <lib.h>
+#include <northbridge/intel/x4x/x4x.h>
+#include <pc80/mc146818rtc.h>
+#include <spd.h>
+#include <string.h>
+
+static inline int spd_read_byte(unsigned int device, unsigned int address)
+{
+	return smbus_read_byte(device, address);
+}
+
+static void sdram_read_spds(struct sysinfo *s)
+{
+	u8 i, j, chan;
+	int status = 0;
+	FOR_EACH_DIMM(i) {
+		if (s->spd_map[i] == 0) {
+			/* Non-existant SPD address */
+			s->dimms[i].card_type = 0;
+			continue;
+		}
+		for (j = 0; j < 64; j++) {
+			status = spd_read_byte(s->spd_map[i], j);
+			if (status < 0) {
+				/* No SPD here */
+				s->dimms[i].card_type = 0;
+				break;
+			}
+			s->dimms[i].spd_data[j] = (u8) status;
+			if (j == 62)
+				s->dimms[i].card_type = ((u8) status) & 0x1f;
+		}
+		if (status >= 0) {
+			hexdump(s->dimms[i].spd_data, 64);
+		}
+	}
+
+	s->spd_type = 0;
+	int fail = 1;
+	FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+		switch ((enum ddrxspd) s->dimms[i].spd_data[2]) {
+			case DDR2SPD:
+				if (s->spd_type == 0) {
+					s->spd_type = DDR2;
+				} else if (s->spd_type == DDR3) {
+					die("DIMM type mismatch\n");
+				}
+				break;
+			case DDR3SPD:
+			default:
+				if (s->spd_type == 0) {
+					s->spd_type = DDR3;
+				} else if (s->spd_type == DDR2) {
+					die("DIMM type mismatch\n");
+				}
+				break;
+		}
+	}
+	if (s->spd_type == DDR3) {
+		FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+			s->dimms[i].sides = (s->dimms[i].spd_data[5] & 0x0f) + 1;
+			s->dimms[i].ranks = ((s->dimms[i].spd_data[7] >> 3) & 0x7) + 1;
+			s->dimms[i].chip_capacity = (s->dimms[i].spd_data[4] & 0xf);
+			s->dimms[i].banks = 8;
+			s->dimms[i].rows = ((s->dimms[i].spd_data[5] >> 3) & 0x7) + 12;
+			s->dimms[i].cols = (s->dimms[i].spd_data[5] & 0x7) + 9;
+			s->dimms[i].cas_latencies = 0xfe;
+			s->dimms[i].cas_latencies &= (s->dimms[i].spd_data[14] << 1);
+			if (s->dimms[i].cas_latencies == 0)
+				s->dimms[i].cas_latencies = 0x40;
+			s->dimms[i].tAAmin = s->dimms[i].spd_data[16];
+			s->dimms[i].tCKmin = s->dimms[i].spd_data[12];
+			s->dimms[i].width = s->dimms[i].spd_data[7] & 0x7;
+			s->dimms[i].page_size = s->dimms[i].width * (1 << s->dimms[i].cols); // Bytes
+			s->dimms[i].tRAS = ((s->dimms[i].spd_data[21] & 0xf) << 8) |
+				s->dimms[i].spd_data[22];
+			s->dimms[i].tRP = s->dimms[i].spd_data[20];
+			s->dimms[i].tRCD = s->dimms[i].spd_data[18];
+			s->dimms[i].tWR = s->dimms[i].spd_data[17];
+			fail = 0;
+		}
+	} else if (s->spd_type == DDR2) {
+		FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+			s->dimms[i].sides = (s->dimms[i].spd_data[5] & 0x7) + 1;
+			s->dimms[i].banks = (s->dimms[i].spd_data[17] >> 2) - 1;
+			s->dimms[i].chip_capacity = s->dimms[i].banks;
+			s->dimms[i].rows = s->dimms[i].spd_data[3];// - 12;
+			s->dimms[i].cols = s->dimms[i].spd_data[4];// - 9;
+			s->dimms[i].cas_latencies = 0x78;
+			s->dimms[i].cas_latencies &= s->dimms[i].spd_data[18];
+			if (s->dimms[i].cas_latencies == 0)
+				s->dimms[i].cas_latencies = 7;
+			s->dimms[i].tAAmin = s->dimms[i].spd_data[26];
+			s->dimms[i].tCKmin = s->dimms[i].spd_data[25];
+			s->dimms[i].width = (s->dimms[i].spd_data[13] >> 3) - 1;
+			s->dimms[i].page_size = (s->dimms[i].width+1) * (1 << s->dimms[i].cols); // Bytes
+			s->dimms[i].tRAS = s->dimms[i].spd_data[30];
+			s->dimms[i].tRP = s->dimms[i].spd_data[27];
+			s->dimms[i].tRCD = s->dimms[i].spd_data[29];
+			s->dimms[i].tWR = s->dimms[i].spd_data[36];
+			s->dimms[i].ranks = s->dimms[i].sides; // XXX
+
+			printk(BIOS_DEBUG, "DIMM %d\n", i);
+			printk(BIOS_DEBUG, "  Sides     : %d\n", s->dimms[i].sides);
+			printk(BIOS_DEBUG, "  Banks     : %d\n", s->dimms[i].banks);
+			printk(BIOS_DEBUG, "  Ranks     : %d\n", s->dimms[i].ranks);
+			printk(BIOS_DEBUG, "  Rows      : %d\n", s->dimms[i].rows);
+			printk(BIOS_DEBUG, "  Cols      : %d\n", s->dimms[i].cols);
+			printk(BIOS_DEBUG, "  Page size : %d\n", s->dimms[i].page_size);
+			printk(BIOS_DEBUG, "  Width     : %d\n", (s->dimms[i].width+1)*8);
+			fail = 0;
+		}
+	}
+	if (fail) {
+		die("No memory dimms, halt\n");
+	}
+
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, chan) {
+		if (s->dimms[chan>>1].sides == 0) {
+			// NC
+			if (s->dimms[(chan>>1) + 1].sides == 0) {
+				// NC/NC
+				s->dimm_config[chan] = 0;
+			} else if (s->dimms[(chan>>1) + 1].sides == 1) {
+				// NC/SS
+				if (s->dimms[(chan>>1) + 1].width == 0) {
+					// NC/8SS
+					s->dimm_config[chan] = 4;
+				} else {
+					// NC/16SS
+					s->dimm_config[chan] = 12;
+				}
+			} else {
+				// NC/DS
+				if (s->dimms[(chan>>1) + 1].width == 0) {
+					// NC/8DS
+					s->dimm_config[chan] = 8;
+				} else {
+					// NOT SUPPORTED
+					die("16DS Not supported\n");
+				}
+			}
+		} else if (s->dimms[chan>>1].sides == 1) {
+			// SS
+			if (s->dimms[(chan>>1) + 1].sides == 0) {
+				// SS/NC
+				if (s->dimms[chan>>1].width == 0) {
+					// 8SS/NC
+					s->dimm_config[chan] = 1;
+				} else {
+					// 16SS/NC
+					s->dimm_config[chan] = 3;
+				}
+			} else if (s->dimms[(chan>>1) + 1].sides == 1) {
+				// SS/SS
+				if (s->dimms[chan>>1].width == 0) {
+					if (s->dimms[(chan>>1) + 1].width == 0) {
+						// 8SS/8SS
+						s->dimm_config[chan] = 5;
+					} else {
+						// 8SS/16SS
+						s->dimm_config[chan] = 13;
+					}
+				} else {
+					if (s->dimms[(chan>>1) + 1].width == 0) {
+						// 16SS/8SS
+						s->dimm_config[chan] = 7;
+					} else {
+						// 16SS/16SS
+						s->dimm_config[chan] = 15;
+					}
+				}
+			} else {
+				// SS/DS
+				if (s->dimms[chan>>1].width == 0) {
+					if (s->dimms[(chan>>1) + 1].width == 0) {
+						// 8SS/8DS
+						s->dimm_config[chan] = 9;
+					} else {
+						die("16DS not supported\n");
+					}
+				} else {
+					if (s->dimms[(chan>>1) + 1].width == 0) {
+						// 16SS/8DS
+						s->dimm_config[chan] = 11;
+					} else {
+						die("16DS not supported\n");
+					}
+				}
+			}
+		} else {
+			// DS
+			if (s->dimms[(chan>>1) + 1].sides == 0) {
+				// DS/NC
+				if (s->dimms[chan>>1].width == 0) {
+					// 8DS/NC
+					s->dimm_config[chan] = 2;
+				} else {
+					die("16DS not supported\n");
+				}
+			} else if (s->dimms[(chan>>1) + 1].sides == 1) {
+				// DS/SS
+				if (s->dimms[chan>>1].width == 0) {
+					if (s->dimms[(chan>>1) + 1].width == 0) {
+						// 8DS/8SS
+						s->dimm_config[chan] = 6;
+					} else {
+						// 8DS/16SS
+						s->dimm_config[chan] = 14;
+					}
+				} else {
+					die("16DS not supported\n");
+				}
+			} else {
+				// DS/DS
+				if (s->dimms[chan>>1].width == 0 && s->dimms[(chan>>1)+1].width == 0) {
+					// 8DS/8DS
+					s->dimm_config[chan] = 10;
+				}
+			}
+		}
+		printk(BIOS_DEBUG, "  Config[CH%d] : %d\n", chan, s->dimm_config[chan]);
+	}
+}
+
+static u8 lsbpos(u8 val) //Forward
+{
+	u8 i;
+	for (i = 0; (i < 8) && ((val & (1 << i)) == 0); i++);
+	return i;
+}
+
+static u8 msbpos(u8 val) //Reverse
+{
+	u8 i;
+	for (i = 7; (i >= 0) && ((val & (1 << i)) == 0); i--);
+	return i;
+}
+
+static void mchinfo_ddr2(struct sysinfo *s)
+{
+	const u32 eax = cpuid_ext(0x04, 0).eax;
+	s->cores = ((eax >> 26) & 0x3f) + 1;
+	printk(BIOS_WARNING, "%d CPU cores\n", s->cores);
+
+	u32 capid = pci_read_config16(PCI_DEV(0,0,0), 0xe8);
+	if (!(capid & (1<<(79-64)))) {
+		printk(BIOS_WARNING, "iTPM enabled\n");
+	}
+
+	capid = pci_read_config32(PCI_DEV(0, 0, 0), 0xe4);
+	if (!(capid & (1<<(57-32)))) {
+		printk(BIOS_WARNING, "ME enabled\n");
+	}
+
+	if (!(capid & (1<<(56-32)))) {
+		printk(BIOS_WARNING, "AMT enabled\n");
+	}
+
+	s->max_ddr2_mhz = (capid & (1<<(53-32)))?667:800;
+	printk(BIOS_WARNING, "Capable of DDR2 of %d MHz or lower\n", s->max_ddr2_mhz);
+
+	if (!(capid & (1<<(48-32)))) {
+		printk(BIOS_WARNING, "VT-d enabled\n");
+	}
+}
+
+static void sdram_detect_ram_speed(struct sysinfo *s)
+{
+	u8 i;
+	u8 commoncas = 0;
+	u8 cas;
+	u8 lowcas;
+	u8 highcas;
+	u8 maxfreq;
+	u8 freq = 0;
+
+	// Find max FSB speed
+	switch (MCHBAR32(0xc00) & 0x7) {
+	case 0x0:
+		s->max_fsb = FSB_CLOCK_1066MHz;
+		break;
+	case 0x2:
+		s->max_fsb = FSB_CLOCK_800MHz;
+		break;
+	case 0x4:
+		s->max_fsb = FSB_CLOCK_1333MHz;
+		break;
+	default:
+		s->max_fsb = FSB_CLOCK_800MHz;
+		printk(BIOS_WARNING, "Can't detect FSB, setting 800MHz\n");
+		break;
+	}
+
+	// Find RAM speed
+	maxfreq = (u8) ((pci_read_config16(PCI_DEV(0,0,0), 0xea) >> 4) & 0x3f);
+	if (s->spd_type == DDR2) {
+
+		// Limit frequency for MCH
+		maxfreq &= 0x7;
+		freq = MEM_CLOCK_800MHz;
+		if (maxfreq) {
+			freq = maxfreq;
+		}
+		if (freq > MEM_CLOCK_800MHz) {
+			freq = MEM_CLOCK_800MHz;
+		}
+
+		// Detect a common CAS latency
+		commoncas = 0xff;
+		FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+			commoncas &= s->dimms[i].spd_data[18];
+		}
+		if (commoncas == 0) {
+			die("No common CAS among dimms\n");
+		}
+
+		// Start with fastest common CAS
+		cas = 0;
+		highcas = msbpos(commoncas);
+		lowcas = lsbpos(commoncas);
+
+		while (cas == 0 && highcas >= lowcas) {
+			FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+				switch (freq) {
+				case MEM_CLOCK_800MHz:
+					if ((s->dimms[i].spd_data[9] > 0x25) ||
+					    (s->dimms[i].spd_data[10] > 0x40)) {
+						// CAS too fast, lower it
+						highcas--;
+						break;
+					} else {
+						cas = highcas;
+					}
+					break;
+				case MEM_CLOCK_667MHz:
+				default:
+					if ((s->dimms[i].spd_data[9] > 0x30) ||
+					    (s->dimms[i].spd_data[10] > 0x45)) {
+						// CAS too fast, lower it
+						highcas--;
+						break;
+					} else {
+						cas = highcas;
+					}
+					break;
+				}
+			}
+		}
+		if (highcas < lowcas) {
+			// Timings not supported by MCH, lower the frequency
+			freq--;
+			cas = 0;
+			highcas = msbpos(commoncas);
+			lowcas = lsbpos(commoncas);
+			while (cas == 0 && highcas >= lowcas) {
+				FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+					switch (freq) {
+					case MEM_CLOCK_800MHz:
+						if ((s->dimms[i].spd_data[23] > 0x25) ||
+						    (s->dimms[i].spd_data[24] > 0x40)) {
+							// CAS too fast, lower it
+							highcas--;
+							break;
+						} else {
+							cas = highcas;
+						}
+						break;
+					case MEM_CLOCK_667MHz:
+					default:
+						if ((s->dimms[i].spd_data[23] > 0x30) ||
+						    (s->dimms[i].spd_data[24] > 0x45)) {
+							// CAS too fast, lower it
+							highcas--;
+							break;
+						} else {
+							cas = highcas;
+						}
+						break;
+					}
+				}
+			}
+		}
+		s->selected_timings.mem_clk = freq;
+		s->selected_timings.CAS = cas;
+
+	} else { // DDR3
+		// Limit frequency for MCH
+		maxfreq >>= 3;
+		freq = MEM_CLOCK_1333MHz;
+		if (maxfreq) {
+			freq = maxfreq + 2;
+		}
+		if (freq > MEM_CLOCK_1333MHz) {
+			freq = MEM_CLOCK_1333MHz;
+		}
+
+		// Limit DDR speed to FSB speed
+		switch (s->max_fsb) {
+		case FSB_CLOCK_800MHz:
+			if (freq > MEM_CLOCK_800MHz) {
+				freq = MEM_CLOCK_800MHz;
+			}
+			break;
+		case FSB_CLOCK_1066MHz:
+			if (freq > MEM_CLOCK_1066MHz) {
+				freq = MEM_CLOCK_1066MHz;
+			}
+			break;
+		case FSB_CLOCK_1333MHz:
+			if (freq > MEM_CLOCK_1333MHz) {
+				freq = MEM_CLOCK_1333MHz;
+			}
+			break;
+		default:
+			die("Invalid FSB\n");
+			break;
+		}
+
+		// TODO: CAS detection for DDR3
+	}
+}
+
+/**
+ * @param boot_path: 0 = normal, 1 = reset, 2 = resume from s3
+ */
+void sdram_initialize(int boot_path, const u8 *spd_map)
+{
+	struct sysinfo s;
+	u8 reg8;
+
+	printk(BIOS_DEBUG, "Setting up RAM controller.\n");
+
+	pci_write_config8(PCI_DEV(0,0,0), 0xdf, 0xff);
+
+	memset(&s, 0, sizeof(struct sysinfo));
+
+	s.boot_path = boot_path;
+	s.spd_map[0] = spd_map[0];
+	s.spd_map[1] = spd_map[1];
+	s.spd_map[2] = spd_map[2];
+	s.spd_map[3] = spd_map[3];
+
+	/* Detect dimms per channel */
+	s.dimms_per_ch = 2;
+	reg8 = pci_read_config8(PCI_DEV(0,0,0), 0xe9);
+	if (reg8 & 0x10)
+		s.dimms_per_ch = 1;
+
+	printk(BIOS_DEBUG, "Dimms per channel: %d\n", s.dimms_per_ch);
+
+	mchinfo_ddr2(&s);
+
+	sdram_read_spds(&s);
+
+	/* Choose Common Frequency */
+	sdram_detect_ram_speed(&s);
+
+	switch (s.spd_type) {
+	case DDR2:
+		raminit_ddr2(&s);
+		break;
+	case DDR3:
+		// FIXME Add: raminit_ddr3(&s);
+		break;
+	default:
+		die("Unknown DDR type\n");
+		break;
+	}
+
+	reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2);
+	pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, reg8 & ~0x80);
+
+	reg8 = pci_read_config8(PCI_DEV(0,0,0), 0xf4);
+	pci_write_config8(PCI_DEV(0,0,0), 0xf4, reg8 | 1);
+	printk(BIOS_DEBUG, "RAM initialization finished.\n");
+}
diff --git a/src/northbridge/intel/x4x/raminit_ddr2.c b/src/northbridge/intel/x4x/raminit_ddr2.c
new file mode 100644
index 000000000000..240232182622
--- /dev/null
+++ b/src/northbridge/intel/x4x/raminit_ddr2.c
@@ -0,0 +1,1979 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdint.h>
+#include <arch/io.h>
+#include <arch/cpu.h>
+#include <console/console.h>
+#include <commonlib/helpers.h>
+#include <delay.h>
+#include <northbridge/intel/x4x/x4x.h>
+
+static inline void barrier(void)
+{
+	asm volatile("mfence":::);
+}
+
+static u32 fsb2mhz(u32 speed)
+{
+	return (speed * 267) + 800;
+}
+
+static u32 ddr2mhz(u32 speed)
+{
+	static const u16 mhz[] = { 0, 0, 667, 800, 1067, 1333 };
+
+	if (speed >= ARRAY_SIZE(mhz))
+		return 0;
+
+	return mhz[speed];
+}
+
+static u8 msbpos(u8 val) //Reverse
+{
+	u8 i;
+	for (i = 7; i >= 0; i--) {
+		if ((val & (1 << i)) == 0)
+			break;
+	}
+	return i;
+}
+
+static void sdram_detect_smallest_params2(struct sysinfo *s)
+{
+	u16 mult[6] = {
+		5000, // 400
+		3750, // 533
+		3000, // 667
+		2500, // 800
+		1875, // 1066
+		1500, // 1333
+	};
+
+	u8 i;
+	u32 tmp;
+	u32 maxtras = 0;
+	u32 maxtrp = 0;
+	u32 maxtrcd = 0;
+	u32 maxtwr = 0;
+	u32 maxtrfc = 0;
+	u32 maxtwtr = 0;
+	u32 maxtrrd = 0;
+	u32 maxtrtp = 0;
+
+	FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+		maxtras = MAX(maxtras, s->dimms[i].spd_data[30] * 1000);
+		maxtrp = MAX(maxtrp, (s->dimms[i].spd_data[27] * 1000) >> 2);
+		maxtrcd = MAX(maxtrcd, (s->dimms[i].spd_data[29] * 1000) >> 2);
+		maxtwr = MAX(maxtwr, (s->dimms[i].spd_data[36] * 1000) >> 2);
+		maxtrfc = MAX(maxtrfc, s->dimms[i].spd_data[42] * 1000 +
+				(s->dimms[i].spd_data[40] & 0xf));
+		maxtwtr = MAX(maxtwtr, (s->dimms[i].spd_data[37] * 1000) >> 2);
+		maxtrrd = MAX(maxtrrd, (s->dimms[i].spd_data[28] * 1000) >> 2);
+		maxtrtp = MAX(maxtrtp, (s->dimms[i].spd_data[38] * 1000) >> 2);
+	}
+	for (i = 9; i < 24; i++) {
+		tmp = mult[s->selected_timings.mem_clk] * i;
+		if (tmp >= maxtras) {
+			s->selected_timings.tRAS = i;
+			break;
+		}
+	}
+	for (i = 3; i < 10; i++) {
+		tmp = mult[s->selected_timings.mem_clk] * i;
+		if (tmp >= maxtrp) {
+			s->selected_timings.tRP = i;
+			break;
+		}
+	}
+	for (i = 3; i < 10; i++) {
+		tmp = mult[s->selected_timings.mem_clk] * i;
+		if (tmp >= maxtrcd) {
+			s->selected_timings.tRCD = i;
+			break;
+		}
+	}
+	for (i = 3; i < 15; i++) {
+		tmp = mult[s->selected_timings.mem_clk] * i;
+		if (tmp >= maxtwr) {
+			s->selected_timings.tWR = i;
+			break;
+		}
+	}
+	for (i = 15; i < 78; i++) {
+		tmp = mult[s->selected_timings.mem_clk] * i;
+		if (tmp >= maxtrfc) {
+			s->selected_timings.tRFC = ((i + 16) & 0xfe) - 15;
+			break;
+		}
+	}
+	for (i = 4; i < 15; i++) {
+		tmp = mult[s->selected_timings.mem_clk] * i;
+		if (tmp >= maxtwtr) {
+			s->selected_timings.tWTR = i;
+			break;
+		}
+	}
+	for (i = 2; i < 15; i++) {
+		tmp = mult[s->selected_timings.mem_clk] * i;
+		if (tmp >= maxtrrd) {
+			s->selected_timings.tRRD = i;
+			break;
+		}
+	}
+	for (i = 4; i < 15; i++) {
+		tmp = mult[s->selected_timings.mem_clk] * i;
+		if (tmp >= maxtrtp) {
+			s->selected_timings.tRTP = i;
+			break;
+		}
+	}
+
+	s->selected_timings.fsb_clk = s->max_fsb;
+
+	printk(BIOS_DEBUG, "Selected timings:\n");
+	printk(BIOS_DEBUG, "\tFSB:  %dMHz\n", fsb2mhz(s->selected_timings.fsb_clk));
+	printk(BIOS_DEBUG, "\tDDR:  %dMHz\n", ddr2mhz(s->selected_timings.mem_clk));
+
+	printk(BIOS_DEBUG, "\tCAS:  %d\n", s->selected_timings.CAS);
+	printk(BIOS_DEBUG, "\ttRAS: %d\n", s->selected_timings.tRAS);
+	printk(BIOS_DEBUG, "\ttRP:  %d\n", s->selected_timings.tRP);
+	printk(BIOS_DEBUG, "\ttRCD: %d\n", s->selected_timings.tRCD);
+	printk(BIOS_DEBUG, "\ttWR:  %d\n", s->selected_timings.tWR);
+	printk(BIOS_DEBUG, "\ttRFC: %d\n", s->selected_timings.tRFC);
+	printk(BIOS_DEBUG, "\ttWTR: %d\n", s->selected_timings.tWTR);
+	printk(BIOS_DEBUG, "\ttRRD: %d\n", s->selected_timings.tRRD);
+	printk(BIOS_DEBUG, "\ttRTP: %d\n", s->selected_timings.tRTP);
+}
+
+static void clkcross_ddr2(struct sysinfo *s)
+{
+	u8 i, j;
+	MCHBAR16(0xc1c) = MCHBAR16(0xc1c) | (1 << 15);
+
+#define TAB_M667F800 {0x1f1f1f1f, 0x1a07070b, 0x0, 0x10000000, 0x20010208, \
+		0x04080000, 0x10010002, 0x0, 0x0, 0x02000000, \
+		0x04000100, 0x08000000, 0x10200204}
+#define TAB_M800F800 {0xffffffff, 0x05030305, 0x0000ffff, 0x0, 0x08010204, \
+		0x0, 0x08010204, 0x0, 0x0, 0x0, 0x00020001, 0x0, 0x04080102}
+#define TAB_M667F1067 {0x6d5b1f1f, 0x0f0f0f0f, 0x0, 0x20000000, 0x80020410, \
+		0x02040008, 0x10000100, 0x0, 0x0, 0x04000000, \
+		0x08000102, 0x20000000, 0x40010208}
+#define TAB_M800F1067 {0x07070707, 0x06030303, 0x0, 0x0, 0x08010200, \
+		0x0, 0x04000102, 0x0, 0x0, 0x0, 0x00020001, \
+		0x0, 0x02040801}
+#define TAB_M1067F1067 {0xffffffff, 0x05030305, 0x0000ffff, 0x0, 0x04080102, \
+		0x0, 0x08010204, 0x0, 0x0, 0x0, 0x00020001, \
+		0x0, 0x02040801}
+#define TAB_M667F1333 {0x05050303, 0xffffffff, 0xffff0000, 0x0, 0x08020000, \
+		0x0, 0x00020001, 0x0, 0x0, 0x0, 0x08010204, \
+		0x0, 0x04010000}
+#define TAB_M800F1333 {0x0d0b0707, 0x3e1f1f2f, 0x01010000, 0x0, 0x10020400, \
+		0x02000000, 0x00040100, 0x0, 0x0, 0x04080000, \
+		0x00100102, 0x0, 0x08100200}
+#define TAB_M1067F1333 {0x0f0f0f0f, 0x5b1f1f6d, 0x0, 0x0, 0x08010204, \
+		0x04000000, 0x00080102, 0x0, 0x0, 0x02000408, \
+		0x00100001, 0x0, 0x04080102}
+#define TAB_M1333F1333 {0xffffffff, 0x05030305, 0x0000ffff, 0x0, 0x04080102, \
+		0x0, 0x04080102, 0x0, 0x0, 0x0, 0x0, 0x0, 0x02040801}
+
+	static const u32 clkxtab[6][3][13] = {
+		{{}, {}, {}}, // MEMCLK 400 N/A
+		{{}, {}, {}}, // MEMCLK 533 N/A
+		{TAB_M667F800,  TAB_M667F1067,  TAB_M667F1333,  },
+		{TAB_M800F800,  TAB_M800F1067,  TAB_M800F1333,  },
+		{{},            TAB_M1067F1067, TAB_M1067F1333, },
+		{{},            {},             TAB_M1333F1333, },
+	};
+
+	i = (u8)s->selected_timings.mem_clk;
+	j = (u8)s->selected_timings.fsb_clk;
+
+	MCHBAR32(0xc04) = clkxtab[i][j][0];
+	MCHBAR32(0xc50) = clkxtab[i][j][1];
+	MCHBAR32(0xc54) = clkxtab[i][j][2];
+	MCHBAR8(0xc08) = MCHBAR8(0xc08) | (1 << 7);
+	MCHBAR32(0x6d8) = clkxtab[i][j][3];
+	MCHBAR32(0x6e0) = clkxtab[i][j][3];
+	MCHBAR32(0x6dc) = clkxtab[i][j][4];
+	MCHBAR32(0x6e4) = clkxtab[i][j][4];
+	MCHBAR32(0x6e8) = clkxtab[i][j][5];
+	MCHBAR32(0x6f0) = clkxtab[i][j][5];
+	MCHBAR32(0x6ec) = clkxtab[i][j][6];
+	MCHBAR32(0x6f4) = clkxtab[i][j][6];
+	MCHBAR32(0x6f8) = clkxtab[i][j][7];
+	MCHBAR32(0x6fc) = clkxtab[i][j][8];
+	MCHBAR32(0x708) = clkxtab[i][j][11];
+	MCHBAR32(0x70c) = clkxtab[i][j][12];
+}
+
+static void checkreset_ddr2(struct sysinfo *s)
+{
+	u8 pmcon2;
+	u8 reset = 0;
+
+	pmcon2 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2);
+	if (!(pmcon2 & 0x80)) {
+		pmcon2 |= 0x80;
+		pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, pmcon2);
+		reset = 1;
+
+		/* do magic 0xf0 thing. */
+		u8 reg8 = pci_read_config8(PCI_DEV(0, 0, 0), 0xf0);
+		pci_write_config8(PCI_DEV(0, 0, 0), 0xf0, reg8 & ~(1 << 2));
+		reg8 = pci_read_config8(PCI_DEV(0, 0, 0), 0xf0);
+		pci_write_config8(PCI_DEV(0, 0, 0), 0xf0, reg8 |  (1 << 2));
+	}
+	if (reset) {
+		printk(BIOS_DEBUG, "Reset...\n");
+		outb(0xe, 0xcf9);
+		asm ("hlt");
+	}
+	pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, pmcon2 | 0x80);
+}
+
+static void setioclk_ddr2(struct sysinfo *s)
+{
+	MCHBAR32(0x1bc) = 0x08060402;
+	MCHBAR16(0x1c0) = MCHBAR16(0x1c0) | 0x200;
+	MCHBAR16(0x1c0) = MCHBAR16(0x1c0) | 0x100;
+	MCHBAR16(0x1c0) = MCHBAR16(0x1c0) | 0x20;
+	MCHBAR16(0x1c0) = MCHBAR16(0x1c0) & ~1;
+	switch (s->selected_timings.mem_clk) {
+	default:
+	case MEM_CLOCK_800MHz:
+	case MEM_CLOCK_1066MHz:
+		MCHBAR8(0x5d9) = (MCHBAR8(0x5d9) & ~0x2) | 0x2;
+		MCHBAR8(0x9d9) = (MCHBAR8(0x9d9) & ~0x2) | 0x2;
+		MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xf0) | 0xc0;
+		MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xf0) | 0xe0;
+		MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xf0) | 0xa0;
+		break;
+	case MEM_CLOCK_667MHz:
+	case MEM_CLOCK_1333MHz:
+		MCHBAR8(0x5d9) = MCHBAR8(0x5d9) & ~0x2;
+		MCHBAR8(0x9d9) = MCHBAR8(0x9d9) & ~0x2;
+		MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xf0) | 0x40;
+		break;
+	}
+	MCHBAR32(0x594) = MCHBAR32(0x594) | (1 << 31);
+	MCHBAR32(0x994) = MCHBAR32(0x994) | (1 << 31);
+}
+
+static void launch_ddr2(struct sysinfo *s)
+{
+	u8 i;
+	u32 launch1 = 0x58001117;
+	u32 launch2 = 0;
+	u32 launch3 = 0;
+
+	if (s->selected_timings.CAS == 5) {
+		launch2 = 0x00220201;
+	} else if ((s->selected_timings.mem_clk == MEM_CLOCK_800MHz) &&
+		   (s->selected_timings.CAS == 6)) {
+		launch2 = 0x00230302;
+	} else {
+		die("Unsupported CAS & Frequency combination detected\n");
+	}
+
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
+		MCHBAR32(0x400*i + 0x220) = launch1;
+		MCHBAR32(0x400*i + 0x224) = launch2;
+		MCHBAR32(0x400*i + 0x21c) = launch3;
+		MCHBAR32(0x400*i + 0x248) = MCHBAR32(0x400*i + 0x248) | (1 << 23);
+	}
+
+	MCHBAR32(0x2c0) = (MCHBAR32(0x2c0) & ~0x58000000) | 0x48000000;
+	MCHBAR32(0x2c0) = MCHBAR32(0x2c0) | 0x1e0;
+	MCHBAR32(0x2c4) = (MCHBAR32(0x2c4) & ~0xf) | 0xc;
+}
+
+static void clkset0(u8 ch, u8 setting[5])
+{
+	MCHBAR16(0x400*ch + 0x5a0) = (MCHBAR16(0x400*ch + 0x5a0) & ~0xc440) |
+		(setting[4] << 14) |
+		(setting[3] << 6) |
+		(setting[2] << 10);
+	MCHBAR8(0x400*ch + 0x581) = (MCHBAR8(0x400*ch + 0x581) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x581) = (MCHBAR8(0x400*ch + 0x581) & ~0xf) |
+		setting[0];
+}
+
+static void clkset1(u8 ch, u8 setting[5])
+{
+	MCHBAR32(0x400*ch + 0x5a0) = (MCHBAR32(0x400*ch + 0x5a0) & ~0x30880) |
+		(setting[4] << 16) |
+		(setting[3] << 7) |
+		(setting[2] << 11);
+	MCHBAR8(0x400*ch + 0x582) = (MCHBAR8(0x400*ch + 0x582) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x582) = (MCHBAR8(0x400*ch + 0x582) & ~0xf) |
+		setting[0];
+}
+
+static void ctrlset0(u8 ch, u8 setting[5])
+{
+	MCHBAR32(0x400*ch + 0x59c) = (MCHBAR32(0x400*ch + 0x59c) & ~0x3300000) |
+		(setting[4] << 24) |
+		(setting[3] << 20) |
+		(setting[2] << 21);
+	MCHBAR8(0x400*ch + 0x584) = (MCHBAR8(0x400*ch + 0x584) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x584) = (MCHBAR8(0x400*ch + 0x584) & ~0xf) |
+		setting[0];
+}
+
+static void ctrlset1(u8 ch, u8 setting[5])
+{
+	MCHBAR32(0x400*ch + 0x59c) = (MCHBAR32(0x400*ch + 0x59c) & ~0x18c00000) |
+		(setting[4] << 27) |
+		(setting[3] << 22) |
+		(setting[2] << 23);
+	MCHBAR8(0x400*ch + 0x585) = (MCHBAR8(0x400*ch + 0x585) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x585) = (MCHBAR8(0x400*ch + 0x585) & ~0xf) |
+		setting[0];
+}
+
+static void ctrlset2(u8 ch, u8 setting[5])
+{
+	MCHBAR32(0x400*ch + 0x598) = (MCHBAR32(0x400*ch + 0x598) & ~0x18c00000) |
+		(setting[4] << 14) |
+		(setting[3] << 12) |
+		(setting[2] << 13);
+	MCHBAR8(0x400*ch + 0x586) = (MCHBAR8(0x400*ch + 0x586) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x586) = (MCHBAR8(0x400*ch + 0x586) & ~0xf) |
+		setting[0];
+}
+
+static void ctrlset3(u8 ch, u8 setting[5])
+{
+	MCHBAR32(0x400*ch + 0x598) = (MCHBAR32(0x400*ch + 0x598) & ~0x18c00000) |
+		(setting[4] << 10) |
+		(setting[3] << 8) |
+		(setting[2] << 9);
+	MCHBAR8(0x400*ch + 0x587) = (MCHBAR8(0x400*ch + 0x587) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x587) = (MCHBAR8(0x400*ch + 0x587) & ~0xf) |
+		setting[0];
+}
+
+static void cmdset(u8 ch, u8 setting[5])
+{
+	MCHBAR8(0x400*ch + 0x598) = (MCHBAR8(0x400*ch + 0x598) & ~0x30) |
+		(setting[4] << 4);
+	MCHBAR8(0x400*ch + 0x594) = (MCHBAR8(0x400*ch + 0x594) & ~0x60) |
+		(setting[3] << 5) |
+		(setting[2] << 6);
+	MCHBAR8(0x400*ch + 0x580) = (MCHBAR8(0x400*ch + 0x580) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x580) = (MCHBAR8(0x400*ch + 0x580) & ~0xf) |
+		setting[0];
+}
+
+static void dqsset(u8 ch, u8 lane, u8 setting[5])
+{
+	MCHBAR32(0x400*ch + 0x5fc) = MCHBAR32(0x400*ch + 0x5fc) & ~(2 << (lane*4));
+
+	MCHBAR32(0x400*ch + 0x5b4) = (MCHBAR32(0x400*ch + 0x5b4) & ~(0x201 << lane)) |
+		(setting[2] << (9 + lane)) |
+		(setting[3] << lane);
+	MCHBAR32(0x400*ch + 0x5b8) = (MCHBAR32(0x400*ch + 0x5b8) & ~(0x201 << lane)) |
+		(setting[2] << (9 + lane)) |
+		(setting[3] << lane);
+	MCHBAR32(0x400*ch + 0x5bc) = (MCHBAR32(0x400*ch + 0x5bc) & ~(0x201 << lane)) |
+		(setting[2] << (9 + lane)) |
+		(setting[3] << lane);
+	MCHBAR32(0x400*ch + 0x5c0) = (MCHBAR32(0x400*ch + 0x5c0) & ~(0x201 << lane)) |
+		(setting[2] << (9 + lane)) |
+		(setting[3] << lane);
+
+	MCHBAR32(0x400*ch + 0x5c8) = (MCHBAR32(0x400*ch + 0x5c8) & ~(0x3 << (16+lane*2))) |
+		(setting[4] << (16+lane*2));
+	MCHBAR32(0x400*ch + 0x5cc) = (MCHBAR32(0x400*ch + 0x5cc) & ~(0x3 << (16+lane*2))) |
+		(setting[4] << (16+lane*2));
+	MCHBAR32(0x400*ch + 0x5d0) = (MCHBAR32(0x400*ch + 0x5d0) & ~(0x3 << (16+lane*2))) |
+		(setting[4] << (16+lane*2));
+	MCHBAR32(0x400*ch + 0x5d4) = (MCHBAR32(0x400*ch + 0x5d4) & ~(0x3 << (16+lane*2))) |
+		(setting[4] << (16+lane*2));
+
+	MCHBAR8(0x400*ch + 0x520 + lane*4) = (MCHBAR8(0x400*ch + 0x520 + lane*4) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x520 + lane*4) = (MCHBAR8(0x400*ch + 0x520 + lane*4) & ~0xf) |
+		setting[0];
+	MCHBAR8(0x400*ch + 0x521 + lane*4) = (MCHBAR8(0x400*ch + 0x521 + lane*4) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x521 + lane*4) = (MCHBAR8(0x400*ch + 0x521 + lane*4) & ~0xf) |
+		setting[0];
+	MCHBAR8(0x400*ch + 0x522 + lane*4) = (MCHBAR8(0x400*ch + 0x522 + lane*4) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x522 + lane*4) = (MCHBAR8(0x400*ch + 0x522 + lane*4) & ~0xf) |
+		setting[0];
+	MCHBAR8(0x400*ch + 0x523 + lane*4) = (MCHBAR8(0x400*ch + 0x523 + lane*4) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x523 + lane*4) = (MCHBAR8(0x400*ch + 0x523 + lane*4) & ~0xf) |
+		setting[0];
+}
+
+static void dqset(u8 ch, u8 lane, u8 setting[5])
+{
+	MCHBAR32(0x400*ch + 0x5fc) = MCHBAR32(0x400*ch + 0x5fc) & ~(1 << (lane*4));
+
+	MCHBAR32(0x400*ch + 0x5a4) = (MCHBAR32(0x400*ch + 0x5a4) & ~(0x201 << lane)) |
+		(setting[2] << (9+lane)) |
+		(setting[3] << lane);
+	MCHBAR32(0x400*ch + 0x5a8) = (MCHBAR32(0x400*ch + 0x5a8) & ~(0x201 << lane)) |
+		(setting[2] << (9+lane)) |
+		(setting[3] << lane);
+	MCHBAR32(0x400*ch + 0x5ac) = (MCHBAR32(0x400*ch + 0x5ac) & ~(0x201 << lane)) |
+		(setting[2] << (9+lane)) |
+		(setting[3] << lane);
+	MCHBAR32(0x400*ch + 0x5b0) = (MCHBAR32(0x400*ch + 0x5b0) & ~(0x201 << lane)) |
+		(setting[2] << (9+lane)) |
+		(setting[3] << lane);
+
+	MCHBAR32(0x400*ch + 0x5c8) = (MCHBAR32(0x400*ch + 0x5c8) & ~(0x3 << (lane*2))) |
+		(setting[4] << (2*lane));
+	MCHBAR32(0x400*ch + 0x5cc) = (MCHBAR32(0x400*ch + 0x5cc) & ~(0x3 << (lane*2))) |
+		(setting[4] << (2*lane));
+	MCHBAR32(0x400*ch + 0x5d0) = (MCHBAR32(0x400*ch + 0x5d0) & ~(0x3 << (lane*2))) |
+		(setting[4] << (2*lane));
+	MCHBAR32(0x400*ch + 0x5d4) = (MCHBAR32(0x400*ch + 0x5d4) & ~(0x3 << (lane*2))) |
+		(setting[4] << (2*lane));
+
+	MCHBAR8(0x400*ch + 0x500 + lane*4) = (MCHBAR8(0x400*ch + 0x500 + lane*4) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x500 + lane*4) = (MCHBAR8(0x400*ch + 0x500 + lane*4) & ~0xf) |
+		setting[0];
+	MCHBAR8(0x400*ch + 0x501 + lane*4) = (MCHBAR8(0x400*ch + 0x501 + lane*4) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x501 + lane*4) = (MCHBAR8(0x400*ch + 0x501 + lane*4) & ~0xf) |
+		setting[0];
+	MCHBAR8(0x400*ch + 0x502 + lane*4) = (MCHBAR8(0x400*ch + 0x502 + lane*4) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x502 + lane*4) = (MCHBAR8(0x400*ch + 0x502 + lane*4) & ~0xf) |
+		setting[0];
+	MCHBAR8(0x400*ch + 0x503 + lane*4) = (MCHBAR8(0x400*ch + 0x503 + lane*4) & ~0x70) |
+		(setting[1] << 4);
+	MCHBAR8(0x400*ch + 0x503 + lane*4) = (MCHBAR8(0x400*ch + 0x503 + lane*4) & ~0xf) |
+		setting[0];
+}
+
+static void timings_ddr2(struct sysinfo *s)
+{
+	u8 i;
+	u8 twl, ta1, ta2, ta3, ta4;
+	u8 reg8;
+	u8 flag1 = 0;
+	u8 flag2 = 0;
+	u16 reg16;
+	u32 reg32;
+	u16 ddr, fsb;
+	u8 trpmod = 0;
+	u8 bankmod = 1;
+	u8 pagemod = 0;
+
+	u16 fsb2ps[3] = {
+		5000, // 800
+		3750, // 1067
+		3000  // 1333
+	};
+
+	u16 ddr2ps[6] = {
+		5000, // 400
+		3750, // 533
+		3000, // 667
+		2500, // 800
+		1875, // 1067
+		1500  // 1333
+	};
+
+	u16 lut1[6] = {
+		0,
+		0,
+		2600,
+		3120,
+		4171,
+		5200
+	};
+
+	ta1 = 6;
+	ta2 = 6;
+	ta3 = 5;
+	ta4 = 8;
+
+	twl = s->selected_timings.CAS - 1;
+
+	FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+		if (s->dimms[i].banks == 1) { // 8 banks
+			trpmod = 1;
+			bankmod = 0;
+		}
+		if (s->dimms[i].page_size == 2048) {
+			pagemod = 1;
+		}
+	}
+
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
+		MCHBAR8(0x400*i + 0x2f6) = MCHBAR8(0x400*i + 0x2f6) | 0x3;
+		MCHBAR8(0x400*i + 0x228) = (MCHBAR8(0x400*i + 0x228) & ~0x7) | 0x2;
+		MCHBAR8(0x400*i + 0x240) = (MCHBAR8(0x400*i + 0x240) & ~0xf0) | (twl << 4);
+		MCHBAR8(0x400*i + 0x240) = (MCHBAR8(0x400*i + 0x240) & ~0xf) |
+			s->selected_timings.CAS;
+		MCHBAR16(0x400*i + 0x265) = (MCHBAR16(0x400*i + 0x265) & ~0x3f00) |
+			((s->selected_timings.CAS + 9) << 8);
+
+		reg16 = (s->selected_timings.tRAS << 11) |
+			((twl + 4 + s->selected_timings.tWR) << 6) |
+			((2 + MAX(s->selected_timings.tRTP, 2)) << 2) | 1;
+		MCHBAR16(0x400*i + 0x250) = reg16;
+
+		reg32 = (bankmod << 21) |
+			(s->selected_timings.tRRD << 17) |
+			(s->selected_timings.tRP << 13) |
+			((s->selected_timings.tRP + trpmod) << 9) |
+			s->selected_timings.tRFC;
+		reg8 = (MCHBAR8(0x400*i + 0x26f) >> 1) & 1;
+		if (bankmod) {
+			switch (s->selected_timings.mem_clk) {
+			default:
+			case MEM_CLOCK_667MHz:
+				if (reg8) {
+					if (pagemod) {
+						reg32 |= 16 << 22;
+					} else {
+						reg32 |= 12 << 22;
+					}
+				} else {
+					if (pagemod) {
+						reg32 |= 18 << 22;
+					} else {
+						reg32 |= 14 << 22;
+					}
+				}
+				break;
+			case MEM_CLOCK_800MHz:
+				if (reg8) {
+					if (pagemod) {
+						reg32 |= 18 << 22;
+					} else {
+						reg32 |= 14 << 22;
+					}
+				} else {
+					if (pagemod) {
+						reg32 |= 20 << 22;
+					} else {
+						reg32 |= 16 << 22;
+					}
+				}
+				break;
+			}
+		}
+		MCHBAR32(0x400*i + 0x252) = reg32;
+
+		MCHBAR16(0x400*i + 0x256) = (s->selected_timings.tRCD << 12) |
+			(0x4 << 8) | (ta2 << 4) | ta4;
+
+		MCHBAR32(0x400*i + 0x258) = (s->selected_timings.tRCD << 17) |
+			((twl + 4 + s->selected_timings.tWTR) << 12) |
+			(ta3 << 8) | (4 << 4) | ta1;
+
+		MCHBAR16(0x400*i + 0x25b) = ((s->selected_timings.tRP + trpmod) << 9) |
+			s->selected_timings.tRFC;
+
+		MCHBAR16(0x400*i + 0x260) = (MCHBAR16(0x400*i + 0x260) & ~0x3fe) | (100 << 1);
+		MCHBAR8(0x400*i + 0x264) = 0xff;
+		MCHBAR8(0x400*i + 0x25d) = (MCHBAR8(0x400*i + 0x25d) & ~0x3f) |
+			s->selected_timings.tRAS;
+		MCHBAR16(0x400*i + 0x244) = 0x2310;
+
+		switch (s->selected_timings.mem_clk) {
+		case MEM_CLOCK_667MHz:
+			reg8 = 0;
+			break;
+		default:
+			reg8 = 1;
+			break;
+		}
+
+		MCHBAR8(0x400*i + 0x246) = (MCHBAR8(0x400*i + 0x246) & ~0x1f) |
+			(reg8 << 2) | 1;
+
+		fsb = fsb2ps[s->selected_timings.fsb_clk];
+		ddr = ddr2ps[s->selected_timings.mem_clk];
+		reg32 = (u32)((s->selected_timings.CAS + 7 + reg8) * ddr);
+		reg32 = (u32)((reg32 / fsb) << 8);
+		reg32 |= 0x0e000000;
+		if ((fsb2mhz(s->selected_timings.fsb_clk) /
+		     ddr2mhz(s->selected_timings.mem_clk)) > 2) {
+			reg32 |= 1 << 24;
+		}
+		MCHBAR32(0x400*i + 0x248) = (MCHBAR32(0x400*i + 0x248) & ~0x0f001f00) |
+			reg32;
+
+		if (twl > 2) {
+			flag1 = 1;
+		}
+		if (s->selected_timings.mem_clk >= MEM_CLOCK_800MHz) {
+			flag2 = 1;
+		}
+		reg16 = (u8)(twl - 1 - flag1 - flag2);
+		reg16 |= reg16 << 4;
+		if (s->selected_timings.mem_clk == MEM_CLOCK_1333MHz) {
+			if (reg16) {
+				reg16--;
+			}
+		}
+		reg16 |= flag1 << 8;
+		reg16 |= flag2 << 9;
+		MCHBAR16(0x400*i + 0x24d) = (MCHBAR16(0x400*i + 0x24d) & ~0x1ff) | reg16;
+		MCHBAR16(0x400*i + 0x25e) = 0x15a5;
+		MCHBAR32(0x400*i + 0x265) = MCHBAR32(0x400*i + 0x265) & ~0x1f;
+		MCHBAR32(0x400*i + 0x269) = (MCHBAR32(0x400*i + 0x269) & ~0x000fffff) |
+			(0x3f << 14) | lut1[s->selected_timings.mem_clk];
+		MCHBAR8(0x400*i + 0x274) = MCHBAR8(0x400*i + 0x274) | 1;
+		MCHBAR8(0x400*i + 0x24c) = MCHBAR8(0x400*i + 0x24c) & ~0x3;
+
+		reg16 = 0;
+		switch (s->selected_timings.mem_clk) {
+		default:
+		case MEM_CLOCK_667MHz:
+			reg16 = 0x99;
+			break;
+		case MEM_CLOCK_800MHz:
+			if (s->selected_timings.CAS == 5) {
+				reg16 = 0x19a;
+			} else if (s->selected_timings.CAS == 6) {
+				reg16 = 0x9a;
+			}
+			break;
+		}
+		reg16 &= 0x7;
+		reg16 += twl + 9;
+		reg16 <<= 10;
+		MCHBAR16(0x400*i + 0x24d) = (MCHBAR16(0x400*i + 0x24d) & ~0x7c00) | reg16;
+		MCHBAR8(0x400*i + 0x267) = (MCHBAR8(0x400*i + 0x267) & ~0x3f) | 0x13;
+		MCHBAR8(0x400*i + 0x268) = (MCHBAR8(0x400*i + 0x268) & ~0xff) | 0x4a;
+
+		reg16 = (MCHBAR16(0x400*i + 0x269) & 0xc000) >> 2;
+		reg16 += 2 << 12;
+		reg16 |= (0x15 << 6) | 0x1f;
+		MCHBAR16(0x400*i + 0x26d) = (MCHBAR16(0x400*i + 0x26d) & ~0x7fff) | reg16;
+
+		reg32 = (1 << 25) | (6 << 27);
+		MCHBAR32(0x400*i + 0x269) = (MCHBAR32(0x400*i + 0x269) & ~0xfa300000) | reg32;
+		MCHBAR8(0x400*i + 0x271) = MCHBAR8(0x400*i + 0x271) & ~0x80;
+		MCHBAR8(0x400*i + 0x274) = MCHBAR8(0x400*i + 0x274) & ~0x6;
+	} // END EACH POPULATED CHANNEL
+
+	reg16 = 0x1f << 5;
+	reg16 |= 0xe << 10;
+	MCHBAR16(0x125) = (MCHBAR16(0x125) & ~0x3fe0) | reg16;
+	MCHBAR16(0x127) = (MCHBAR16(0x127) & ~0x7ff) | 0x540;
+	MCHBAR8(0x129) = MCHBAR8(0x129) | 0x1f;
+	MCHBAR8(0x12c) = MCHBAR8(0x12c) | 0xa0;
+	MCHBAR32(0x241) = (MCHBAR32(0x241) & ~0x1ffff) | 0x11;
+	MCHBAR32(0x641) = (MCHBAR32(0x641) & ~0x1ffff) | 0x11;
+	MCHBAR8(0x246) = MCHBAR8(0x246) & ~0x10;
+	MCHBAR8(0x646) = MCHBAR8(0x646) & ~0x10;
+	MCHBAR32(0x120) = (2 << 29) | (1 << 28) | (1 << 23) | 0xd7f5f;
+	reg8 = (u8)((MCHBAR32(0x252) & 0x1e000) >> 13);
+	MCHBAR8(0x12d) = (MCHBAR8(0x12d) & ~0xf0) | (reg8 << 4);
+	reg8 = (u8)((MCHBAR32(0x258) & ~0x1e0000) >> 17);
+	MCHBAR8(0x12d) = (MCHBAR8(0x12d) & ~0xf) | reg8;
+	MCHBAR8(0x12f) = 0x4c;
+	reg32 = (1 << 31) | (0x80 << 14) | (1 << 13) | (0xa << 9);
+	MCHBAR32(0x6c0) = (MCHBAR32(0x6c0) & ~0xffffff00) | reg32;
+	MCHBAR8(0x6c4) = (MCHBAR8(0x6c4) & ~0x7) | 0x2;
+}
+
+static void dll_ddr2(struct sysinfo *s)
+{
+	u8 i, j, r, reg8, clk, async;
+	u16 reg16 = 0;
+	u32 reg32 = 0;
+	u8 lane;
+
+	MCHBAR16(0x180) = (MCHBAR16(0x180) & ~0x7e06) | 0xc04;
+	MCHBAR16(0x182) = (MCHBAR16(0x182) & ~0x3ff) | 0xc8;
+	MCHBAR16(0x18a) = (MCHBAR16(0x18a) & ~0x1f1f) | 0x0f0f;
+	MCHBAR16(0x1b4) = (MCHBAR16(0x1b4) & ~0x8020) | 0x100;
+	MCHBAR8(0x194) = (MCHBAR8(0x194) & ~0x77) | 0x33;
+	switch (s->selected_timings.mem_clk) {
+	default:
+	case MEM_CLOCK_667MHz:
+		reg16 = (0xa << 9) | 0xa;
+		break;
+	case MEM_CLOCK_800MHz:
+		reg16 = (0x9 << 9) | 0x9;
+		break;
+	}
+	MCHBAR16(0x19c) = (MCHBAR16(0x19c) & ~0x1e0f) | reg16;
+	MCHBAR16(0x19c) = (MCHBAR16(0x19c) & ~0x2030) | 0x2010;
+	udelay(1);
+	MCHBAR16(0x198) = MCHBAR16(0x198) & ~0x100;
+
+	MCHBAR16(0x1c8) = (MCHBAR16(0x1c8) & ~0x1f) | 0xd;
+
+	udelay(1);
+	MCHBAR8(0x190) = MCHBAR8(0x190) & ~1;
+	udelay(1); // 533ns
+	MCHBAR32(0x198) = MCHBAR32(0x198) & ~0x11554000;
+	udelay(1);
+	MCHBAR32(0x198) = MCHBAR32(0x198) & ~0x1455;
+	udelay(1);
+	MCHBAR8(0x583) = MCHBAR8(0x583) & ~0x1c;
+	MCHBAR8(0x983) = MCHBAR8(0x983) & ~0x1c;
+	udelay(1); // 533ns
+	MCHBAR8(0x583) = MCHBAR8(0x583) & ~0x3;
+	MCHBAR8(0x983) = MCHBAR8(0x983) & ~0x3;
+	udelay(1); // 533ns
+
+	// ME related
+	MCHBAR32(0x1a0) = (MCHBAR32(0x1a0) & ~0x7ffffff) | 0x551803;
+
+	MCHBAR16(0x1b4) = MCHBAR16(0x1b4) & ~0x800;
+	MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 0xf0;
+
+	FOR_EACH_CHANNEL(i) {
+		reg16 = 0;
+		MCHBAR16(0x400*i + 0x59c) = MCHBAR16(0x400*i + 0x59c) & ~0x3000;
+
+		reg32 = 0;
+		FOR_EACH_RANK_IN_CHANNEL(r) if (!RANK_IS_POPULATED(s->dimms, i, r)) {
+			reg32 |= 0x111 << r;
+		}
+		MCHBAR32(0x400*i + 0x59c) = (MCHBAR32(0x400*i + 0x59c) & ~0xfff) | reg32;
+		MCHBAR8(0x400*i + 0x594) = MCHBAR8(0x400*i + 0x594) & ~1;
+
+		if (!CHANNEL_IS_POPULATED(s->dimms, i)) {
+			printk(BIOS_DEBUG, "No dimms in channel %d\n", i);
+			reg8 = 0x3f;
+		} else if(ONLY_DIMMA_IS_POPULATED(s->dimms, i)) {
+			printk(BIOS_DEBUG, "DimmA populated only in channel %d\n", i);
+			reg8 = 0x38;
+		} else if(ONLY_DIMMB_IS_POPULATED(s->dimms, i)) {
+			printk(BIOS_DEBUG, "DimmB populated only in channel %d\n", i);
+			reg8 =  0x7;
+		} else if(BOTH_DIMMS_ARE_POPULATED(s->dimms, i)) {
+			printk(BIOS_DEBUG, "Both dimms populated in channel %d\n", i);
+			reg8 = 0;
+		} else {
+			die("Unhandled case\n");
+		}
+
+		//reg8 = 0x00; // FIXME dont switch on all clocks anyway
+
+		MCHBAR32(0x400*i + 0x5a0) = (MCHBAR32(0x400*i + 0x5a0) & ~0x3f000000) |
+			((u32)(reg8 << 24));
+	} // END EACH CHANNEL
+
+	MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 1;
+	MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~0x4;
+
+	// Update DLL timing
+	MCHBAR8(0x1a4) = MCHBAR8(0x1a4) & ~0x80;
+	MCHBAR8(0x1a4) = MCHBAR8(0x1a4) | 0x40;
+	MCHBAR16(0x5f0) = (MCHBAR16(0x5f0) & ~0x400) | 0x400;
+
+	u8 dll_setting_667[23][5] = {
+	//	tap  pi db  delay
+		{13, 0, 1,0, 0},
+		{4,  1, 0,0, 0},
+		{13, 0, 1,0, 0},
+		{4,  5, 0,0, 0},
+		{4,  1, 0,0, 0},
+		{4,  1, 0,0, 0},
+		{4,  1, 0,0, 0},
+		{1,  5, 1,1, 1},
+		{1,  6, 1,1, 1},
+		{2,  0, 1,1, 1},
+		{2,  1, 1,1, 1},
+		{2,  1, 1,1, 1},
+		{14, 6, 1,0, 0},
+		{14, 3, 1,0, 0},
+		{14, 0, 1,0, 0},
+		{9,  0, 0,0, 1},
+		{9,  1, 0,0, 1},
+		{9,  2, 0,0, 1},
+		{9,  2, 0,0, 1},
+		{9,  1, 0,0, 1},
+		{6,  4, 0,0, 1},
+		{6,  2, 0,0, 1},
+		{5,  4, 0,0, 1}
+	};
+
+	u8 dll_setting_800[23][5] = {
+	//	tap  pi db  delay
+		{11, 5, 1,0, 0},
+		{0,  5, 1,1, 0},
+		{11, 5, 1,0, 0},
+		{1,  4, 1,1, 0},
+		{0,  5, 1,1, 0},
+		{0,  5, 1,1, 0},
+		{0,  5, 1,1, 0},
+		{2,  5, 1,1, 1},
+		{2,  6, 1,1, 1},
+		{3,  0, 1,1, 1},
+		{3,  0, 1,1, 1},
+		{3,  3, 1,1, 1},
+		{2,  0, 1,1, 1},
+		{1,  3, 1,1, 1},
+		{0,  3, 1,1, 1},
+		{9,  3, 0,0, 1},
+		{9,  4, 0,0, 1},
+		{9,  5, 0,0, 1},
+		{9,  6, 0,0, 1},
+		{10, 0, 0,0, 1},
+		{8,  1, 0,0, 1},
+		{7,  5, 0,0, 1},
+		{6,  2, 0,0, 1}
+	};
+
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
+		MCHBAR16(0x400*i + 0x5f0) = (MCHBAR16(0x400*i + 0x5f0) & ~0x3fc) | 0x3fc;
+		MCHBAR32(0x400*i + 0x5fc) = MCHBAR32(0x400*i + 0x5fc) & ~0xcccccccc;
+		MCHBAR8(0x400*i + 0x5d9) = (MCHBAR8(0x400*i + 0x5d9) & ~0xf0) | 0x70;
+		MCHBAR16(0x400*i + 0x590) = (MCHBAR16(0x400*i + 0x590) & ~0xffff) | 0x5555;
+	}
+
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
+		if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) {
+			clkset0(i, &dll_setting_667[CLKSET0][0]);
+			clkset1(i, &dll_setting_667[CLKSET1][0]);
+			ctrlset0(i, &dll_setting_667[CTRL0][0]);
+			ctrlset1(i, &dll_setting_667[CTRL1][0]);
+			ctrlset2(i, &dll_setting_667[CTRL2][0]);
+			ctrlset3(i, &dll_setting_667[CTRL3][0]);
+			cmdset(i, &dll_setting_667[CMD][0]);
+		} else {
+			clkset0(i, &dll_setting_800[CLKSET0][0]);
+			clkset1(i, &dll_setting_800[CLKSET1][0]);
+			ctrlset0(i, &dll_setting_800[CTRL0][0]);
+			ctrlset1(i, &dll_setting_800[CTRL1][0]);
+			ctrlset2(i, &dll_setting_800[CTRL2][0]);
+			ctrlset3(i, &dll_setting_800[CTRL3][0]);
+			cmdset(i, &dll_setting_800[CMD][0]);
+		}
+	}
+
+	// XXX if not async mode
+	MCHBAR16(0x180) = MCHBAR16(0x180) & ~0x8200;
+	MCHBAR8(0x180) = MCHBAR8(0x180) | 0x4;
+	j = 0;
+	for (i = 0; i < 16; i++) {
+		MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i;
+		MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10;
+		while (MCHBAR8(0x180) & 0x10);
+		if (MCHBAR32(0x184) == 0xffffffff) {
+			j++;
+			if (j >= 2)
+				break;
+
+			if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) {
+				j = 2;
+				break;
+			}
+		} else {
+			j = 0;
+		}
+	}
+	if (i == 1 || ((i == 0) && s->selected_timings.mem_clk == MEM_CLOCK_667MHz)) {
+		j = 0;
+		i++;
+		for (; i < 16; i++) {
+			MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i;
+			MCHBAR8(0x180) = MCHBAR8(0x180) | 0x4;
+			while (MCHBAR8(0x180) & 0x10);
+			if (MCHBAR32(0x184) == 0) {
+				i++;
+				break;
+			}
+		}
+		for (; i < 16; i++) {
+			MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i;
+			MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10;
+			while (MCHBAR8(0x180) & 0x10);
+			if (MCHBAR32(0x184) == 0xffffffff) {
+					j++;
+				if (j >= 2)
+					break;
+			} else {
+				j = 0;
+			}
+		}
+		if (j < 2) {
+			MCHBAR8(0x1c8) = MCHBAR8(0x1c8) & ~0x1f;
+			MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10;
+			while (MCHBAR8(0x180) & 0x10);
+			j = 2;
+		}
+	}
+
+	if (j < 2) {
+		MCHBAR8(0x1c8) = MCHBAR8(0x1c8) & ~0x1f;
+		async = 1;
+	}
+
+	clk = 0x1a;
+	if (async != 1) {
+		reg8 = MCHBAR8(0x188) & 0x1e;
+		if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz &&
+				s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) {
+			clk = 0x10;
+		} else if (s->selected_timings.mem_clk == MEM_CLOCK_800MHz) {
+			clk = 0x10;
+		} else {
+			clk = 0x1a;
+		}
+	}
+	MCHBAR8(0x180) = MCHBAR8(0x180) & ~0x80;
+
+	if ((s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) &&
+	    (s->selected_timings.mem_clk == MEM_CLOCK_667MHz)) {
+		i = MCHBAR8(0x180) & 0xf;
+		i = (i + 10) % 14;
+		MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i;
+		MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10;
+		while(MCHBAR8(0x180) & 0x10);
+	}
+
+	reg8 = MCHBAR8(0x188) & ~1;
+	MCHBAR8(0x188) = reg8;
+	reg8 &= ~0x3e;
+	reg8 |= clk;
+	MCHBAR8(0x188) = reg8;
+	reg8 |= 1;
+	MCHBAR8(0x188) = reg8;
+
+	if (s->selected_timings.mem_clk == MEM_CLOCK_1333MHz) {
+		MCHBAR8(0x18c) = MCHBAR8(0x18c) | 1;
+	}
+
+	// Program DQ/DQS dll settings
+	reg32 = 0;
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
+		for (lane = 0; lane < 8; lane++) {
+			if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) {
+				reg32 = 0x06db7777;
+			} else if (s->selected_timings.mem_clk == MEM_CLOCK_800MHz) {
+				reg32 = 0x00007777;
+			}
+			MCHBAR32(0x400*i + 0x540 + lane*4) =
+				(MCHBAR32(0x400*i + 0x540 + lane*4) & 0x0fffffff) |
+				reg32;
+		}
+	}
+
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
+		if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) {
+			for (lane = 0; lane < 8; lane++) {
+				dqsset(i, lane, &dll_setting_667[DQS1+lane][0]);
+			}
+			for (lane = 0; lane < 8; lane++) {
+				dqset(i, lane, &dll_setting_667[DQ1+lane][0]);
+			}
+		} else {
+			for (lane = 0; lane < 8; lane++) {
+				dqsset(i, lane, &dll_setting_800[DQS1+lane][0]);
+			}
+			for (lane = 0; lane < 8; lane++) {
+				dqset(i, lane, &dll_setting_800[DQ1+lane][0]);
+			}
+		}
+	}
+}
+
+static void rcomp_ddr2(struct sysinfo *s)
+{
+	u8 i, j, k;
+	u32 x32a[8] = { 0x04040404, 0x06050505, 0x09090807, 0x0D0C0B0A, 0x04040404, 0x08070605, 0x0C0B0A09, 0x100F0E0D };
+	u16 x378[6] = { 0, 0xAAAA, 0x7777, 0x7777, 0x7777, 0x7777 };
+	u32 x382[6] = { 0, 0x02020202, 0x02020202, 0x02020202, 0x04030303, 0x04030303 };
+	u32 x386[6] = { 0, 0x03020202, 0x03020202, 0x03020202, 0x05040404, 0x05040404 };
+	u32 x38a[6] = { 0, 0x04040303, 0x04040303, 0x04040303, 0x07070605, 0x07070605 };
+	u32 x38e[6] = { 0, 0x06060505, 0x06060505, 0x06060505, 0x09090808, 0x09090808 };
+	u32 x392[6] = { 0, 0x02020202, 0x02020202, 0x02020202, 0x03030202, 0x03030202 };
+	u32 x396[6] = { 0, 0x03030202, 0x03030202, 0x03030202, 0x05040303, 0x05040303 };
+	u32 x39a[6] = { 0, 0x04040403, 0x04040403, 0x04040403, 0x07070605, 0x07070605 };
+	u32 x39e[6] = { 0, 0x06060505, 0x06060505, 0x06060505, 0x08080808, 0x08080808 };
+	u16 addr[6] = { 0x31c, 0x374, 0x3a2, 0x3d0, 0x3fe, 0x42c };
+	u8 bit[6] = { 0, 0, 1, 1, 0, 0 };
+
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
+		for (j = 0; j < 6; j++) {
+			if (j == 0) {
+				MCHBAR32(0x400*i + addr[j]) =
+					(MCHBAR32(0x400*i + addr[j]) & ~0xff000) | 0xaa000;
+				MCHBAR16(0x400*i + 0x320) = (MCHBAR16(0x400*i + 0x320) & ~0xffff) | 0x6666;
+				for (k = 0; k < 8; k++) {
+					MCHBAR32(0x400*i + addr[j] + 0xe + (k << 2)) =
+						(MCHBAR32(0x400*i + addr[j] + 0xe + (k << 2)) & ~0x3f3f3f3f) | x32a[k];
+					MCHBAR32(0x400*i + addr[j] + 0x2e + (k << 2)) =
+						(MCHBAR32(0x400*i + addr[j] + 0x2e + (k << 2)) & ~0x3f3f3f3f) | x32a[k];
+				}
+			} else {
+				MCHBAR16(0x400*i + addr[j]) = (MCHBAR16(0x400*i + addr[j]) & ~0xf000) | 0xa000;
+				MCHBAR16(0x400*i + addr[j] + 4) = (MCHBAR16(0x400*i + addr[j] + 4) & ~0xffff) |
+					x378[j];
+				MCHBAR32(0x400*i + addr[j] + 0xe) =
+					(MCHBAR32(0x400*i + addr[j] + 0xe) & ~0x3f3f3f3f) | x382[j];
+				MCHBAR32(0x400*i + addr[j] + 0x12) =
+					(MCHBAR32(0x400*i + addr[j] + 0x12) & ~0x3f3f3f3f) | x386[j];
+				MCHBAR32(0x400*i + addr[j] + 0x16) =
+					(MCHBAR32(0x400*i + addr[j] + 0x16) & ~0x3f3f3f3f) | x38a[j];
+				MCHBAR32(0x400*i + addr[j] + 0x1a) =
+					(MCHBAR32(0x400*i + addr[j] + 0x1a) & ~0x3f3f3f3f) | x38e[j];
+				MCHBAR32(0x400*i + addr[j] + 0x1e) =
+					(MCHBAR32(0x400*i + addr[j] + 0x1e) & ~0x3f3f3f3f) | x392[j];
+				MCHBAR32(0x400*i + addr[j] + 0x22) =
+					(MCHBAR32(0x400*i + addr[j] + 0x22) & ~0x3f3f3f3f) | x396[j];
+				MCHBAR32(0x400*i + addr[j] + 0x26) =
+					(MCHBAR32(0x400*i + addr[j] + 0x26) & ~0x3f3f3f3f) | x39a[j];
+				MCHBAR32(0x400*i + addr[j] + 0x2a) =
+					(MCHBAR32(0x400*i + addr[j] + 0x2a) & ~0x3f3f3f3f) | x39e[j];
+			}
+			MCHBAR8(0x400*i + addr[j]) = (MCHBAR8(0x400*i + addr[j]) & ~1) | bit[j];
+		}
+		MCHBAR8(0x400*i + 0x45a) = (MCHBAR8(0x400*i + 0x45a) & ~0x3f) | 0x12;
+		MCHBAR8(0x400*i + 0x45e) = (MCHBAR8(0x400*i + 0x45e) & ~0x3f) | 0x12;
+		MCHBAR8(0x400*i + 0x462) = (MCHBAR8(0x400*i + 0x462) & ~0x3f) | 0x12;
+		MCHBAR8(0x400*i + 0x466) = (MCHBAR8(0x400*i + 0x466) & ~0x3f) | 0x12;
+	} // END EACH POPULATED CHANNEL
+
+	MCHBAR32(0x134) = (MCHBAR32(0x134) & ~0x63c00) | 0x63c00;
+	MCHBAR16(0x174) = (MCHBAR16(0x174) & ~0x63ff) | 0x63ff;
+	MCHBAR16(0x178) = 0x0135;
+	MCHBAR32(0x130) = (MCHBAR32(0x130) & ~0x7bdffe0) | 0x7a9ffa0;
+
+	if (!CHANNEL_IS_POPULATED(s->dimms, 0)) {
+		MCHBAR32(0x130) = MCHBAR32(0x130) & ~(1 << 27);
+	}
+	if (!CHANNEL_IS_POPULATED(s->dimms, 1)) {
+		MCHBAR32(0x130) = MCHBAR32(0x130) & ~(1 << 28);
+	}
+
+	MCHBAR8(0x130) = MCHBAR8(0x130) | 1;
+}
+
+static void odt_ddr2(struct sysinfo *s)
+{
+	u8 i;
+	u16 odt[16][2] = {
+		{ 0x0000,0x0000 }, // NC_NC
+		{ 0x0000,0x0001 }, // x8SS_NC
+		{ 0x0000,0x0011 }, // x8DS_NC
+		{ 0x0000,0x0001 }, // x16SS_NC
+		{ 0x0004,0x0000 }, // NC_x8SS
+		{ 0x0101,0x0404 }, // x8SS_x8SS
+		{ 0x0101,0x4444 }, // x8DS_x8SS
+		{ 0x0101,0x0404 }, // x16SS_x8SS
+		{ 0x0044,0x0000 }, // NC_x8DS
+		{ 0x1111,0x0404 }, // x8SS_x8DS
+		{ 0x1111,0x4444 }, // x8DS_x8DS
+		{ 0x1111,0x0404 }, // x16SS_x8DS
+		{ 0x0004,0x0000 }, // NC_x16SS
+		{ 0x0101,0x0404 }, // x8SS_x16SS
+		{ 0x0101,0x4444 }, // x8DS_x16SS
+		{ 0x0101,0x0404 }, // x16SS_x16SS
+	};
+
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
+		MCHBAR16(0x400*i + 0x298) = odt[s->dimm_config[i]][1];
+		MCHBAR16(0x400*i + 0x294) = odt[s->dimm_config[i]][0];
+		MCHBAR16(0x400*i + 0x29c) = (MCHBAR16(0x400*i + 0x29c) & ~0xfff) | 0x66b;
+		MCHBAR32(0x400*i + 0x260) = (MCHBAR32(0x400*i + 0x260) & ~0x70e3c00) | 0x3063c00;
+	}
+}
+
+static void dojedec_ddr2(u8 r, u8 ch, u8 cmd, u16 val)
+{
+	u32 addr = (ch << 29) | (r*0x08000000);
+	volatile u32 rubbish;
+
+	MCHBAR8(0x271) = (MCHBAR8(0x271) & ~0x3e) | cmd;
+	MCHBAR8(0x671) = (MCHBAR8(0x671) & ~0x3e) | cmd;
+	rubbish = read32((void*)((val<<3) | addr));
+	udelay(10);
+	MCHBAR8(0x271) = (MCHBAR8(0x271) & ~0x3e) | NORMALOP_CMD;
+	MCHBAR8(0x671) = (MCHBAR8(0x671) & ~0x3e) | NORMALOP_CMD;
+}
+
+static void jedec_ddr2(struct sysinfo *s)
+{
+	u8 i;
+	u16 mrsval, ch, r, v;
+
+	u8 odt[16][4] = {
+		{0x00, 0x00, 0x00, 0x00},
+		{0x01, 0x00, 0x00, 0x00},
+		{0x01, 0x01, 0x00, 0x00},
+		{0x01, 0x00, 0x00, 0x00},
+		{0x00, 0x00, 0x01, 0x00},
+		{0x11, 0x00, 0x11, 0x00},
+		{0x11, 0x11, 0x11, 0x00},
+		{0x11, 0x00, 0x11, 0x00},
+		{0x00, 0x00, 0x01, 0x01},
+		{0x11, 0x00, 0x11, 0x11},
+		{0x11, 0x11, 0x11, 0x11},
+		{0x11, 0x00, 0x11, 0x11},
+		{0x00, 0x00, 0x01, 0x00},
+		{0x11, 0x00, 0x11, 0x00},
+		{0x11, 0x11, 0x11, 0x00},
+		{0x11, 0x00, 0x11, 0x00}
+	};
+
+	u16 jedec[12][2] = {
+		{NOP_CMD, 0x0},
+		{PRECHARGE_CMD, 0x0},
+		{EMRS2_CMD, 0x0},
+		{EMRS3_CMD, 0x0},
+		{EMRS1_CMD, 0x0},
+		{MRS_CMD, 0x100},	// DLL Reset
+		{PRECHARGE_CMD, 0x0},
+		{CBR_CMD, 0x0},
+		{CBR_CMD, 0x0},
+		{MRS_CMD, 0x0},		// DLL out of reset
+		{EMRS1_CMD, 0x380},	// OCD calib default
+		{EMRS1_CMD, 0x0}
+	};
+
+	mrsval = (s->selected_timings.CAS << 4) | ((s->selected_timings.tWR - 1) << 9) | 0xb;
+
+	printk(BIOS_DEBUG, "MRS...\n");
+
+	udelay(200);
+
+	FOR_EACH_POPULATED_RANK(s->dimms, ch, r) {
+		printk(BIOS_DEBUG, "CH%d: Found Rank %d\n", ch, r);
+		for (i = 0; i < 12; i++) {
+			v = jedec[i][1];
+			switch (jedec[i][0]) {
+			case EMRS1_CMD:
+				v |= (odt[s->dimm_config[ch]][r] << 2);
+				break;
+			case MRS_CMD:
+				v |= mrsval;
+				break;
+			default:
+				break;
+			}
+			dojedec_ddr2(r + ch*4, ch, jedec[i][0], v);
+			udelay(1);
+			//printk(BIOS_DEBUG, "Jedec step %d\n", i);
+		}
+	}
+	printk(BIOS_DEBUG, "MRS done\n");
+}
+
+static u8 sampledqs(u16 mchloc, u32 addr, u8 hilow, u8 repeat)
+{
+	u8 dqsmatch = 1;
+	volatile u32 strobe;
+
+	while (repeat-- > 0) {
+		MCHBAR8(0x5d8) = MCHBAR8(0x5d8) & ~0x2;
+		udelay(2);
+		MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 0x2;
+		udelay(2);
+		MCHBAR8(0x9d8) = MCHBAR8(0x9d8) & ~0x2;
+		udelay(2);
+		MCHBAR8(0x9d8) = MCHBAR8(0x9d8) | 0x2;
+		udelay(2);
+		barrier();
+		strobe = read32((u32 *)addr);
+		barrier();
+		if (((MCHBAR32(mchloc) & 0x40) >> 6) != hilow) {
+			dqsmatch = 0;
+		}
+	}
+	return dqsmatch;
+}
+
+static void rcven_ddr2(struct sysinfo *s)
+{
+	u8 i, reg8, ch, lane;
+	u32 addr;
+	u8 tap = 0;
+	u8 savecc, savemedium, savetap, coarsecommon, medium;
+	u8 lanecoarse[8] = {0};
+	u8 mincoarse = 0xff;
+	u8 pitap[2][8];
+	u16 coarsectrl[2];
+	u16 coarsedelay[2];
+	u16 mediumphase[2];
+	u16 readdelay[2];
+	u16 mchbar;
+	MCHBAR8(0x5d8) = MCHBAR8(0x5d8) & ~0xc;
+	MCHBAR8(0x9d8) = MCHBAR8(0x9d8) & ~0xc;
+	MCHBAR8(0x5dc) = MCHBAR8(0x5dc) & ~0x80;
+
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) {
+		addr = (ch << 29);
+		for (i = 0; !RANK_IS_POPULATED(s->dimms, ch, i); i++) {
+			addr += 128*1024*1024;
+		}
+		for (lane = 0; lane < 8; lane++) {
+			printk(BIOS_DEBUG, "Channel %d, Lane %d addr=0x%08x\n", ch, lane, addr);
+			coarsecommon = (s->selected_timings.CAS - 1);
+			switch (lane) {
+				case 0: case 1: medium = 0; break;
+				case 2: case 3: medium = 1; break;
+				case 4: case 5: medium = 2; break;
+				case 6: case 7: medium = 3; break;
+				default: medium = 0; break;
+			}
+			mchbar = 0x400*ch + 0x561 + (lane << 2);
+			tap = 0;
+			MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & ~0xf0000) |
+				(coarsecommon << 16);
+			MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & ~(3 << (lane*2))) |
+				(medium << (lane*2));
+			MCHBAR8(0x400*ch + 0x560 + lane*4) = MCHBAR8(0x400*ch + 0x560 + lane*4) & ~0xf;
+			MCHBAR8(0x400*ch + 0x560 + lane*4) = MCHBAR8(0x400*ch + 0x560 + lane*4) & ~0x70;
+			savecc = coarsecommon;
+			savemedium = medium;
+			savetap = 0;
+
+			MCHBAR16(0x400*ch + 0x588) = (MCHBAR16(0x400*ch + 0x588) & ~(3 << (lane*2))) |
+				(1 << (lane*2));
+
+			printk(BIOS_DEBUG, "rcven 0.1 coarse=%d\n", coarsecommon);
+			while (sampledqs(mchbar, addr, 1, 1) == 1) {
+				if (medium < 3) {
+					medium++;
+					MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) &
+						~(3 << (lane*2))) | (medium << (lane*2));
+				} else {
+					medium = 0;
+					coarsecommon++;
+					MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) &
+						~0xf0000) | (coarsecommon << 16);
+					MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) &
+						~(3 << (lane*2))) | (medium << (lane*2));
+				}
+				if (coarsecommon > 16) {
+					die("Coarse > 16: DQS tuning failed, halt\n");
+					break;
+				}
+			}
+			printk(BIOS_DEBUG, "  GOT IT (high -> low transition) coarse=%d medium=%d\n", coarsecommon, medium);
+
+			savemedium = medium;
+			savecc = coarsecommon;
+			if (medium < 3) {
+				medium++;
+				MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) &
+					~(3 << (lane*2))) | (medium << (lane*2));
+			} else {
+				medium = 0;
+				coarsecommon++;
+
+				MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & ~0xf0000) |
+					(coarsecommon << 16);
+				MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & ~(3 << (lane*2))) |
+					(medium << (lane*2));
+			}
+
+			printk(BIOS_DEBUG, "rcven 0.2\n");
+			while (sampledqs(mchbar, addr, 0, 1) == 1) {
+				savemedium = medium;
+				savecc = coarsecommon;
+				if (medium < 3) {
+					medium++;
+					MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) &
+						~(3 << (lane*2))) | (medium << (lane*2));
+				} else {
+					medium = 0;
+					coarsecommon++;
+					MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) &
+						~0xf0000) | (coarsecommon << 16);
+					MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) &
+						~(3 << (lane*2))) | (medium << (lane*2));
+				}
+				if (coarsecommon > 16) {
+					die("Coarse DQS tuning 2 failed, halt\n");
+					break;
+				}
+			}
+			printk(BIOS_DEBUG, "  GOT IT (low -> high transition) coarse=%d medium=%d\n", coarsecommon, medium);
+
+
+			coarsecommon = savecc;
+			medium = savemedium;
+			MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) &
+				~0xf0000) | (coarsecommon << 16);
+			MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) &
+				~(3 << (lane*2))) | (medium << (lane*2));
+
+			printk(BIOS_DEBUG, "rcven 0.3\n");
+			tap = 0;
+			while (sampledqs(mchbar, addr, 1, 1) == 0) {
+				savetap = tap;
+				tap++;
+				if (tap > 14) {
+					break;
+				}
+				MCHBAR8(0x400*ch + 0x560 + (lane*4)) =
+					(MCHBAR8(0x400*ch + 0x560 + (lane*4)) & ~0xf) | tap;
+			}
+
+			tap = savetap;
+			MCHBAR8(0x400*ch + 0x560 + (lane*4)) =
+				(MCHBAR8(0x400*ch + 0x560 + (lane*4)) & ~0xf) | tap;
+			MCHBAR8(0x400*ch + 0x560 + (lane*4)) =
+				(MCHBAR8(0x400*ch + 0x560 + (lane*4)) & ~0x70) | 0x30;
+			if (medium < 3) {
+				medium++;
+				MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) &
+					~(3 << (lane*2))) | (medium << (lane*2));
+			} else {
+				medium = 0;
+				coarsecommon++;
+				MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) &
+					~0xf0000) | (coarsecommon << 16);
+				MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) &
+					~(3 << (lane*2))) | (medium << (lane*2));
+			}
+			if (sampledqs(mchbar, addr, 1, 1) == 0) {
+				die("Not at DQS high, doh\n");
+			}
+
+			printk(BIOS_DEBUG, "rcven 0.4\n");
+			while (sampledqs(mchbar, addr, 1, 1) == 1) {
+				coarsecommon--;
+				MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) &
+					~0xf0000) | (coarsecommon << 16);
+				if (coarsecommon == 0) {
+					die("Couldn't find DQS-high 0 indicator, halt\n");
+					break;
+				}
+			}
+			printk(BIOS_DEBUG, "  GOT IT (high -> low transition) coarse=%d medium=%d\n", coarsecommon, medium);
+
+			printk(BIOS_DEBUG, "rcven 0.5\n");
+			while (sampledqs(mchbar, addr, 0, 1) == 1) {
+				savemedium = medium;
+				savecc = coarsecommon;
+				if (medium < 3) {
+					medium++;
+					MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) &
+						~(3 << (lane*2))) | (medium << (lane*2));
+				} else {
+					medium = 0;
+					coarsecommon++;
+					MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) &
+						~0xf0000) | (coarsecommon << 16);
+					MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) &
+						~(3 << (lane*2))) | (medium << (lane*2));
+				}
+				if (coarsecommon > 16) {
+					die("Coarse DQS tuning 5 failed, halt\n");
+					break;
+				}
+			}
+			printk(BIOS_DEBUG, "  GOT IT (low -> high transition) coarse=%d medium=%d\n", coarsecommon, medium);
+
+			printk(BIOS_DEBUG, "rcven 0.6\n");
+			coarsecommon = savecc;
+			medium = savemedium;
+			MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) &
+				~0xf0000) | (coarsecommon << 16);
+			MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) &
+				~(3 << (lane*2))) | (medium << (lane*2));
+			while (sampledqs(mchbar, addr, 1, 1) == 0) {
+				savetap = tap;
+				tap++;
+				if (tap > 14) {
+					break;
+				}
+				MCHBAR8(0x400*ch + 0x560 + lane*4) =
+					(MCHBAR8(0x400*ch + 0x560 + lane*4) & ~0xf) | tap;
+			}
+			tap = savetap;
+			MCHBAR8(0x400*ch + 0x560 + lane*4) =
+				(MCHBAR8(0x400*ch + 0x560 + lane*4) & ~0xf) | tap;
+			MCHBAR8(0x400*ch + 0x560 + lane*4) =
+				(MCHBAR8(0x400*ch + 0x560 + lane*4) & ~0x70) | 0x70;
+
+			pitap[ch][lane] = 0x70 | tap;
+
+			MCHBAR16(0x400*ch + 0x588) = MCHBAR16(0x400*ch + 0x588) & ~(3 << (lane*2));
+			lanecoarse[lane] = coarsecommon;
+			printk(BIOS_DEBUG, "rcven 0.7\n");
+		} // END EACH LANE
+
+		// Find minimum coarse value
+		for (lane = 0; lane < 8; lane++) {
+			if (mincoarse > lanecoarse[lane]) {
+				mincoarse = lanecoarse[lane];
+			}
+		}
+
+		printk(BIOS_DEBUG, "Found min coarse value = %d\n", mincoarse);
+
+		for (lane = 0; lane < 8; lane++) {
+			reg8 = (lanecoarse[lane] == 0) ? 0 : lanecoarse[lane] - mincoarse;
+			MCHBAR16(0x400*ch + 0x5fa) = (MCHBAR16(0x400*ch + 0x5fa) & ~(3 << (lane*2))) |
+				(reg8 << (lane*2));
+		}
+		MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & ~0xf0000) | (mincoarse << 16);
+		coarsectrl[ch] = mincoarse;
+		coarsedelay[ch] = MCHBAR16(0x400*ch + 0x5fa);
+		mediumphase[ch] = MCHBAR16(0x400*ch + 0x58c);
+		readdelay[ch] = MCHBAR16(0x400*ch + 0x588);
+	} // END EACH POPULATED CHANNEL
+
+	/* TODO: Resume support using this */
+	FOR_EACH_CHANNEL(ch) {
+		for (lane = 0; lane < 8; lane++) {
+			MCHBAR8(0x400*ch + 0x560 + (lane*4)) =
+				(MCHBAR8(0x400*ch + 0x560 + (lane*4)) & ~0xf) | pitap[ch][lane];
+		}
+		MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & ~0xf0000) |
+			(coarsectrl[ch] << 16);
+		MCHBAR16(0x400*ch + 0x5fa) = coarsedelay[ch];
+		MCHBAR16(0x400*ch + 0x58c) = mediumphase[ch];
+	}
+	printk(BIOS_DEBUG, "End rcven\n");
+}
+
+static void dradrb_ddr2(struct sysinfo *s)
+{
+	u8 map, i, ch, r, rankpop0, rankpop1;
+	u32 c0dra = 0;
+	u32 c1dra = 0;
+	u32 c0drb = 0;
+	u32 c1drb = 0;
+	u32 dra;
+	u32 dra0;
+	u32 dra1;
+	u16 totalmemorymb;
+	u16 size, offset;
+	u8 dratab[2][2][2][4] = {
+	{
+		{
+			{0xff, 0xff, 0xff, 0xff},
+			{0xff, 0x00, 0x02, 0xff}
+		},
+		{
+			{0xff, 0x01, 0xff, 0xff},
+			{0xff, 0x03, 0xff, 0xff}
+		}
+	},
+	{
+		{
+			{0xff, 0xff, 0xff, 0xff},
+			{0xff, 0x04, 0x06, 0x08}
+		},
+		{
+			{0xff, 0xff, 0xff, 0xff},
+			{0x05, 0x07, 0x09, 0xff}
+		}
+	}
+	};
+
+	u8 drbtab[10] = {0x04, 0x02, 0x08, 0x04, 0x08, 0x04, 0x10, 0x08, 0x20, 0x10};
+
+	// DRA
+	rankpop0 = 0;
+	rankpop1 = 0;
+	FOR_EACH_POPULATED_RANK(s->dimms, ch, r) {
+		if ((s->dimms[ch<<1].card_type && ((r) < s->dimms[ch<<1].ranks))) {
+			i = ch << 1;
+		} else {
+			i = (ch << 1) + 1;
+		}
+		dra = dratab[s->dimms[i].banks]
+			[s->dimms[i].width]
+			[s->dimms[i].cols-9]
+			[s->dimms[i].rows-12];
+		if (s->dimms[i].banks == 1) {
+			dra |= 0x80;
+		}
+		if (ch == 0) {
+			c0dra |= dra << (r*8);
+			rankpop0 |= 1 << r;
+		} else {
+			c1dra |= dra << (r*8);
+			rankpop1 |= 1 << r;
+		}
+	}
+	MCHBAR32(0x208) = c0dra;
+	MCHBAR32(0x608) = c1dra;
+
+	MCHBAR8(0x262) = (MCHBAR8(0x262) & ~0xf0) | ((rankpop0 << 4) & 0xf0);
+	MCHBAR8(0x662) = (MCHBAR8(0x662) & ~0xf0) | ((rankpop1 << 4) & 0xf0);
+
+	if (ONLY_DIMMA_IS_POPULATED(s->dimms, 0) || ONLY_DIMMB_IS_POPULATED(s->dimms, 0)) {
+		MCHBAR8(0x260) = MCHBAR8(0x260) | 1;
+	}
+	if (ONLY_DIMMA_IS_POPULATED(s->dimms, 1) || ONLY_DIMMB_IS_POPULATED(s->dimms, 1)) {
+		MCHBAR8(0x660) = MCHBAR8(0x660) | 1;
+	}
+
+	// DRB
+	FOR_EACH_POPULATED_RANK(s->dimms, ch, r) {
+		if ((s->dimms[ch<<1].card_type && ((r) < s->dimms[ch<<1].ranks))) {
+			i = ch << 1;
+		} else {
+			i = (ch << 1) + 1;
+		}
+		if (ch == 0) {
+			dra0 = (c0dra >> (8*r)) & 0x7f;
+			c0drb = (u16)(c0drb + drbtab[dra0]);
+			s->dimms[i].rank_capacity_mb = drbtab[dra0] << 6;
+			MCHBAR16(0x200 + 2*r) = c0drb;
+		} else {
+			dra1 = (c1dra >> (8*r)) & 0x7f;
+			c1drb = (u16)(c1drb + drbtab[dra1]);
+			s->dimms[i].rank_capacity_mb = drbtab[dra1] << 6;
+			MCHBAR16(0x600 + 2*r) = c1drb;
+		}
+	}
+
+	s->channel_capacity[0] = c0drb << 6;
+	s->channel_capacity[1] = c1drb << 6;
+	totalmemorymb = s->channel_capacity[0] + s->channel_capacity[1];
+	printk(BIOS_DEBUG, "Total memory: %d + %d = %dMiB\n",
+		s->channel_capacity[0], s->channel_capacity[1], totalmemorymb);
+
+	rankpop1 >>= 4;
+	if (rankpop1) {
+		MCHBAR16(0x600 + 2*msbpos(rankpop1)) = c0drb + c1drb;
+		MCHBAR16(0x602 + 2*msbpos(rankpop1)) = c0drb + c1drb;
+		MCHBAR16(0x604 + 2*msbpos(rankpop1)) = c0drb + c1drb;
+		MCHBAR16(0x606 + 2*msbpos(rankpop1)) = c0drb + c1drb;
+	}
+
+	MCHBAR8(0x111) = MCHBAR8(0x111) | 0x2;
+	MCHBAR16(0x104) = 0;
+	size = s->channel_capacity[0] + s->channel_capacity[1];
+	MCHBAR16(0x102) = size;
+	map = 0;
+	if (s->channel_capacity[0] == 0) {
+		map = 0;
+	} else if (s->channel_capacity[1] == 0) {
+		map |= 0x20;
+	} else {
+		map |= 0x40;
+	}
+	map |= 0x18;
+	if (s->channel_capacity[0] <= s->channel_capacity[1]) {
+		map |= 0x5;
+	} else if (s->channel_capacity[0] > s->channel_capacity[1]) {
+		map |= 0x4;
+	}
+	MCHBAR8(0x110) = map;
+	MCHBAR16(0x10e) = 0;
+	if (s->channel_capacity[1] != 0) {
+		offset = 0;
+	} else if (s->channel_capacity[0] > s->channel_capacity[1]) {
+		offset = size;
+	} else {
+		offset = 0;
+	}
+	MCHBAR16(0x108) = offset;
+	MCHBAR16(0x10a) = 0;
+}
+
+static void mmap_ddr2(struct sysinfo *s)
+{
+	u32 gfxsize, gttsize, tsegsize, mmiosize, tom, tolud, touud, gfxbase, gttbase, tsegbase;
+	u16 ggc;
+	u16 ggc2uma[] = { 0, 0, 0, 0, 0, 32, 48, 64, 128, 256, 96, 160, 224, 352 };
+	u8 ggc2gtt[] = { 0, 1, 0, 2, 0, 0, 0, 0, 0, 2, 3, 4};
+
+	ggc = pci_read_config16(PCI_DEV(0,0,0), 0x52);
+	gfxsize = ggc2uma[(ggc & 0xf0) >> 4];
+	gttsize = ggc2gtt[(ggc & 0xf00) >> 8];
+	tsegsize = 1; // 1MB TSEG
+	mmiosize = 0x400; // 1GB MMIO
+	tom = s->channel_capacity[0] + s->channel_capacity[1];
+	tolud = MIN(0x1000 - mmiosize, tom);
+	touud = tom;
+	gfxbase = tolud - gfxsize;
+	gttbase = gfxbase - gttsize;
+	tsegbase = gttbase - tsegsize;
+
+	pci_write_config16(PCI_DEV(0,0,0), 0xb0, tolud << 4);
+	pci_write_config16(PCI_DEV(0,0,0), 0xa0, tom >> 6);
+	pci_write_config16(PCI_DEV(0,0,0), 0xa2, touud);
+	pci_write_config32(PCI_DEV(0,0,0), 0xa4, gfxbase << 20);
+	pci_write_config32(PCI_DEV(0,0,0), 0xa8, gttbase << 20);
+	pci_write_config32(PCI_DEV(0,0,0), 0xac, tsegbase << 20);
+}
+
+static void enhanced_ddr2(struct sysinfo *s)
+{
+	u8 ch, reg8;
+
+	MCHBAR32(0xfb0) = 0x1000d024;
+	MCHBAR32(0xfb4) = 0xc842;
+	MCHBAR32(0xfbc) = 0xf;
+	MCHBAR32(0xfc4) = 0xfe22244;
+	MCHBAR8(0x12f) = 0x5c;
+	MCHBAR8(0xfb0) = (MCHBAR8(0xfb0) & ~1) | 1;
+	MCHBAR8(0x12f) = MCHBAR8(0x12f) | 0x2;
+	MCHBAR8(0x6c0) = (MCHBAR8(0x6c0) & ~0xf0) | 0xa0;
+	MCHBAR32(0xfa8) = 0x30d400;
+
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) {
+		MCHBAR8(0x400*ch + 0x26c) = MCHBAR8(0x400*ch + 0x26c) | 1;
+		MCHBAR32(0x400*ch + 0x278) = 0x88141881;
+		MCHBAR16(0x400*ch + 0x27c) = 0x0041;
+		MCHBAR8(0x400*ch + 0x292) = 0xf2;
+		MCHBAR16(0x400*ch + 0x272) = MCHBAR16(0x400*ch + 0x272) | 0x100;
+		MCHBAR8(0x400*ch + 0x243) = (MCHBAR8(0x400*ch + 0x243) & ~0x2) | 1;
+		MCHBAR32(0x400*ch + 0x288) = 0x8040200;
+		MCHBAR32(0x400*ch + 0x28c) = 0xff402010;
+		MCHBAR32(0x400*ch + 0x290) = 0x4f2091c;
+	}
+
+	reg8 = pci_read_config8(PCI_DEV(0,0,0), 0xf0);
+	pci_write_config8(PCI_DEV(0,0,0), 0xf0, reg8 | 1);
+	MCHBAR32(0xfa0) = (MCHBAR32(0xfa0) & ~0x20002) | 0x2;
+	MCHBAR32(0xfa4) = (MCHBAR32(0xfa4) & ~0x219100c3) | 0x219100c2;
+	MCHBAR32(0x2c) = 0x44a53;
+	MCHBAR32(0x30) = 0x1f5a86;
+	MCHBAR32(0x34) = 0x1902810;
+	MCHBAR32(0x38) = 0xf7000000;
+	MCHBAR32(0x3c) = 0x23014410;
+	MCHBAR32(0x40) = (MCHBAR32(0x40) & ~0x8f038000) | 0x8f038000;
+	MCHBAR32(0x20) = 0x33001;
+	pci_write_config8(PCI_DEV(0,0,0), 0xf0, reg8 & ~1);
+}
+
+static void power_ddr2(struct sysinfo *s)
+{
+	u32 reg1, reg2, reg3, reg4, clkgate, x592;
+	u8 lane, ch;
+	u8 twl = 0;
+	u16 x264, x23c;
+
+	twl = s->selected_timings.CAS - 1;
+	x264 = 0x78;
+	switch (s->selected_timings.mem_clk) {
+	default:
+	case MEM_CLOCK_667MHz:
+		reg1 = 0x99;
+		reg2 = 0x1048a9;
+		clkgate = 0x230000;
+		x23c = 0x7a89;
+		break;
+	case MEM_CLOCK_800MHz:
+		if (s->selected_timings.CAS == 5) {
+			reg1 = 0x19a;
+			reg2 = 0x1048aa;
+		} else {
+			reg1 = 0x9a;
+			reg2 = 0x2158aa;
+			x264 = 0x89;
+		}
+		clkgate = 0x280000;
+		x23c = 0x7b89;
+		break;
+	}
+	reg3 = 0x232;
+	reg4 = 0x2864;
+
+	if (CHANNEL_IS_POPULATED(s->dimms, 0) && CHANNEL_IS_POPULATED(s->dimms, 1)) {
+		MCHBAR32(0x14) = 0x0010461f;
+	} else {
+		MCHBAR32(0x14) = 0x0010691f;
+	}
+	MCHBAR32(0x18) = 0xdf6437f7;
+	MCHBAR32(0x1c) = 0x0;
+	MCHBAR32(0x24) = (MCHBAR32(0x24) & ~0xe0000000) | 0x30000000;
+	MCHBAR32(0x44) = (MCHBAR32(0x44) & ~0x1fef0000) | 0x6b0000;
+	MCHBAR16(0x115) = (u16) reg1;
+	MCHBAR32(0x117) = (MCHBAR32(0x117) & ~0xffffff) | reg2;
+	MCHBAR8(0x124) = 0x7;
+	MCHBAR16(0x12a) = (MCHBAR16(0x12a) & 0) | 0x80;
+	MCHBAR8(0x12c) = (MCHBAR8(0x12c) & 0) | 0xa0;
+	MCHBAR16(0x174) = MCHBAR16(0x174) & ~(1 << 15);
+	MCHBAR16(0x188) = (MCHBAR16(0x188) & ~0x1f00) | 0x1f00;
+	MCHBAR8(0x18c) = MCHBAR8(0x18c) & ~0x8;
+	MCHBAR8(0x192) = (MCHBAR8(0x192) & ~1) | 1;
+	MCHBAR8(0x193) = (MCHBAR8(0x193) & ~0xf) | 0xf;
+	MCHBAR16(0x1b4) = (MCHBAR16(0x1b4) & ~0x480) | 0x80;
+	MCHBAR16(0x210) = (MCHBAR16(0x210) & ~0x1fff) | 0x3f; // | clockgatingiii
+	MCHBAR32(0x6d1) = (MCHBAR32(0x6d1) & ~0xff03ff) | 0x100 | clkgate;
+	MCHBAR8(0x212) = (MCHBAR8(0x212) & ~0x7f) | 0x7f;
+	MCHBAR32(0x2c0) = (MCHBAR32(0x2c0) & ~0xffff0) | 0xcc5f0;
+	MCHBAR8(0x2c4) = (MCHBAR8(0x2c4) & ~0x70) | 0x70;
+	MCHBAR32(0x2d1) = (MCHBAR32(0x2d1) & ~0xffffff) | 0xff2831; // | clockgatingi
+	MCHBAR32(0x2d4) = 0x40453600;
+	MCHBAR32(0x300) = 0xc0b0a08;
+	MCHBAR32(0x304) = 0x6040201;
+	MCHBAR32(0x30c) = (MCHBAR32(0x30c) & ~0x43c0f) | 0x41405;
+	MCHBAR16(0x610) = 0x232;
+	MCHBAR16(0x612) = 0x2864;
+	MCHBAR32(0x62c) = (MCHBAR32(0x62c) & ~0xc000000) | 0x4000000;
+	MCHBAR32(0xae4) = 0;
+	MCHBAR32(0xc00) = (MCHBAR32(0xc00) & ~0xf0000) | 0x10000;
+	MCHBAR32(0xf00) = 0x393a3b3c;
+	MCHBAR32(0xf04) = 0x3d3e3f40;
+	MCHBAR32(0xf08) = 0x393a3b3c;
+	MCHBAR32(0xf0c) = 0x3d3e3f40;
+	MCHBAR32(0xf18) = MCHBAR32(0xf18) & ~0xfff00001;
+	MCHBAR32(0xf48) = 0xfff0ffe0;
+	MCHBAR32(0xf4c) = 0xffc0ff00;
+	MCHBAR32(0xf50) = 0xfc00f000;
+	MCHBAR32(0xf54) = 0xc0008000;
+	MCHBAR32(0xf6c) = (MCHBAR32(0xf6c) & ~0xffff0000) | 0xffff0000;
+	MCHBAR32(0xfac) = MCHBAR32(0xfac) & ~0x80000000;
+	MCHBAR32(0xfb8) = MCHBAR32(0xfb8) & ~0xff000000;
+	MCHBAR32(0xfbc) = (MCHBAR32(0xfbc) & ~0x7f800) | 0xf000;
+	MCHBAR32(0x1104) = 0x3003232;
+	MCHBAR32(0x1108) = 0x74;
+	if (s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) {
+		MCHBAR32(0x110c) = 0xaa;
+	} else {
+		MCHBAR32(0x110c) = 0x100;
+	}
+	MCHBAR32(0x1110) = 0x10810350 & ~0x78;
+	MCHBAR32(0x1114) = 0;
+	if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) {
+		twl = 5;
+	} else {
+		twl = 6;
+	}
+	x592 = 0xff;
+	if (pci_read_config8(PCI_DEV(0,0,0), 0x8) < 3) {
+		x592 = ~0x4;
+	}
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) {
+		MCHBAR8(0x400*ch + 0x239) = twl + 15;
+		MCHBAR16(0x400*ch + 0x23c) = x23c;
+		MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & ~0x706033) | 0x406033;
+		MCHBAR32(0x400*ch + 0x260) = (MCHBAR32(0x400*ch + 0x260) & ~(1 << 16)) | (1 << 16);
+		MCHBAR8(0x400*ch + 0x264) = x264;
+		MCHBAR8(0x400*ch + 0x592) = (MCHBAR8(0x400*ch + 0x592) & ~0x3f) | (0x3c & x592);
+		MCHBAR8(0x400*ch + 0x593) = (MCHBAR8(0x400*ch + 0x593) & ~0x1f) | 0x1e;
+	}
+
+	for (lane = 0; lane < 8; lane++) {
+		MCHBAR8(0x561 + (lane << 2)) = MCHBAR8(0x561 + (lane << 2)) & ~(1 << 3);
+	}
+}
+
+void raminit_ddr2(struct sysinfo *s)
+{
+	u8 ch;
+	u8 r, bank;
+	u32 reg32;
+
+	// Select timings based on SPD info
+	sdram_detect_smallest_params2(s);
+
+	// Reset if required
+	checkreset_ddr2(s);
+
+	// Clear self refresh
+	MCHBAR32(0xf14) = MCHBAR32(0xf14) | 0x3;
+
+	// Clear host clk gate reg
+	MCHBAR32(0x1c) = MCHBAR32(0x1c) | 0xffffffff;
+
+	// Select DDR2
+	MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~0x4;
+
+	// Set freq
+	MCHBAR32(0xc00) = (MCHBAR32(0xc00) & ~0x70) |
+		(s->selected_timings.mem_clk << 4) | (1 << 10);
+
+	// Overwrite freq if chipset rejects it
+	s->selected_timings.mem_clk = (MCHBAR8(0xc00) & 0x70) >> 4;
+	if (s->selected_timings.mem_clk > (s->max_fsb + 3)) {
+		die("Error: DDR is faster than FSB, halt\n");
+	}
+
+	udelay(250000);
+
+	// Program clock crossing
+	clkcross_ddr2(s);
+	printk(BIOS_DEBUG, "Done clk crossing\n");
+
+	// DDR2 IO
+	setioclk_ddr2(s);
+	printk(BIOS_DEBUG, "Done I/O clk\n");
+
+	// Grant to launch
+	launch_ddr2(s);
+	printk(BIOS_DEBUG, "Done launch\n");
+
+	// Program DDR2 timings
+	timings_ddr2(s);
+	printk(BIOS_DEBUG, "Done timings\n");
+
+	// Program DLL
+	dll_ddr2(s);
+
+	// RCOMP
+	rcomp_ddr2(s);
+	printk(BIOS_DEBUG, "RCOMP\n");
+
+	// ODT
+	odt_ddr2(s);
+	printk(BIOS_DEBUG, "Done ODT\n");
+
+	// RCOMP update
+	while ((MCHBAR8(0x130) & 1) != 0 );
+	printk(BIOS_DEBUG, "Done RCOMP update\n");
+
+	// Set defaults
+	MCHBAR32(0x260) = (MCHBAR32(0x260) & ~1) | 0xf00000;
+	MCHBAR32(0x660) = (MCHBAR32(0x660) & ~1) | 0xf00000;
+	MCHBAR32(0x208) = 0x01010101;
+	MCHBAR32(0x608) = 0x01010101;
+	MCHBAR32(0x200) = 0x00040002;
+	MCHBAR32(0x204) = 0x00080006;
+	MCHBAR32(0x600) = 0x00040002;
+	MCHBAR32(0x604) = 0x00100006;
+	MCHBAR8(0x111) = MCHBAR8(0x111) | 0x2;
+	MCHBAR32(0x104) = 0;
+	MCHBAR16(0x102) = 0x400;
+	MCHBAR8(0x100) = (2 << 5) | (3 << 3);
+	MCHBAR16(0x10e) = 0;
+	MCHBAR32(0x108) = 0;
+	pci_write_config16(PCI_DEV(0,0,0), 0xb0, 0x4000);
+	pci_write_config16(PCI_DEV(0,0,0), 0xa0, 0x0010);
+	pci_write_config16(PCI_DEV(0,0,0), 0xa2, 0x0400);
+	pci_write_config32(PCI_DEV(0,0,0), 0xa4, 0x40000000);
+	pci_write_config32(PCI_DEV(0,0,0), 0xa8, 0x40000000);
+	pci_write_config32(PCI_DEV(0,0,0), 0xac, 0x40000000);
+
+	// IOBUFACT
+	if (CHANNEL_IS_POPULATED(s->dimms, 0)) {
+		MCHBAR8(0x5dd) = (MCHBAR8(0x5dd) & ~0x3f) | 0x3f;
+		MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 0x7;
+	}
+	if (CHANNEL_IS_POPULATED(s->dimms, 1)) {
+		if (pci_read_config8(PCI_DEV(0,0,0), 0x8) < 2) {
+			MCHBAR8(0x5dd) = (MCHBAR8(0x5dd) & ~0x3f) | 0x3f;
+			MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 1;
+		}
+		MCHBAR8(0x9dd) = (MCHBAR8(0x9dd) & ~0x3f) | 0x3f;
+		MCHBAR8(0x9d8) = MCHBAR8(0x9d8) | 0x7;
+	}
+
+	// Pre jedec
+	MCHBAR8(0x40) = MCHBAR8(0x40) | 0x2;
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) {
+		MCHBAR32(0x400*ch + 0x260) = MCHBAR32(0x400*ch + 0x260) | (1 << 27);
+	}
+	MCHBAR16(0x212) = (MCHBAR16(0x212) & ~0xf000) | 0xf000;
+	MCHBAR16(0x212) = (MCHBAR16(0x212) & ~0xf00) | 0xf00;
+	printk(BIOS_DEBUG, "Done pre-jedec\n");
+
+	// JEDEC reset
+	jedec_ddr2(s);
+
+	printk(BIOS_DEBUG, "Done jedec steps\n");
+
+	// After JEDEC reset
+	MCHBAR8(0x40) = MCHBAR8(0x40) & ~0x2;
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) {
+		if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) {
+			reg32 = (2 << 18) | (3 << 13) | (5 << 8);
+		} else {
+			reg32 = (2 << 18) | (3 << 13) | (4 << 8);
+		}
+		MCHBAR32(0x400*ch + 0x274) = (MCHBAR32(0x400*ch + 0x274) & ~0xfff00) | reg32;
+		MCHBAR8(0x400*ch + 0x274) = MCHBAR8(0x400*ch + 0x274) & ~0x80;
+		MCHBAR8(0x400*ch + 0x26c) = MCHBAR8(0x400*ch + 0x26c) | 1;
+		MCHBAR32(0x400*ch + 0x278) = 0x88141881;
+		MCHBAR16(0x400*ch + 0x27c) = 0x41;
+		MCHBAR8(0x400*ch + 0x292) = 0xf2;
+		MCHBAR8(0x400*ch + 0x271) = (MCHBAR8(0x400*ch + 0x271) & ~0xe) | 0xe;
+	}
+	MCHBAR8(0x2c4) = MCHBAR8(0x2c4) | 0x8;
+	MCHBAR8(0x2c3) = MCHBAR8(0x2c3) | 0x40;
+	MCHBAR8(0x2c4) = MCHBAR8(0x2c4) | 0x4;
+
+	printk(BIOS_DEBUG, "Done post-jedec\n");
+
+	// Set DDR2 init complete
+	FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) {
+		MCHBAR32(0x400*ch + 0x268) = (MCHBAR32(0x400*ch + 0x268) & ~0xc0000000) | 0xc0000000;
+	}
+
+	// Receive enable
+	rcven_ddr2(s);
+	printk(BIOS_DEBUG, "Done rcven\n");
+
+	// Finish rcven
+	FOR_EACH_CHANNEL(ch) {
+		MCHBAR8(0x400*ch + 0x5d8) = MCHBAR8(0x400*ch + 0x5d8) & ~0xe;
+		MCHBAR8(0x400*ch + 0x5d8) = MCHBAR8(0x400*ch + 0x5d8) | 0x2;
+		MCHBAR8(0x400*ch + 0x5d8) = MCHBAR8(0x400*ch + 0x5d8) | 0x4;
+		MCHBAR8(0x400*ch + 0x5d8) = MCHBAR8(0x400*ch + 0x5d8) | 0x8;
+	}
+	MCHBAR8(0x5dc) = MCHBAR8(0x5dc) | 0x80;
+	MCHBAR8(0x5dc) = MCHBAR8(0x5dc) & ~0x80;
+	MCHBAR8(0x5dc) = MCHBAR8(0x5dc) | 0x80;
+
+	// Dummy writes / reads
+	volatile u32 data;
+	FOR_EACH_POPULATED_RANK(s->dimms, ch, r) {
+		for (bank = 0; bank < 4; bank++) {
+			reg32 = (ch << 29) | (r*0x8000000) | (bank << 12);
+			write32((u32 *)reg32, 0xffffffff);
+			data = read32((u32 *)reg32);
+			printk(BIOS_DEBUG, "Wrote ones,  Read: [0x%08x]=0x%08x\n", reg32, data);
+			write32((u32 *)reg32, 0x00000000);
+			data = read32((u32 *)reg32);
+			printk(BIOS_DEBUG, "Wrote zeros, Read: [0x%08x]=0x%08x\n", reg32, data);
+		}
+	}
+	printk(BIOS_DEBUG, "Done dummy reads\n");
+
+	// XXX tRD
+
+	// XXX Write training
+
+	// XXX Read training
+
+	// DRADRB
+	dradrb_ddr2(s);
+	printk(BIOS_DEBUG, "Done DRADRB\n");
+
+	// Memory map
+	mmap_ddr2(s);
+	printk(BIOS_DEBUG, "Done memory map\n");
+
+	// Enhanced mode
+	enhanced_ddr2(s);
+	printk(BIOS_DEBUG, "Done enhanced mode\n");
+
+	// Periodic RCOMP
+	MCHBAR16(0x160) = (MCHBAR16(0x160) & ~0xfff) | 0x999;
+	MCHBAR16(0x1b4) = MCHBAR16(0x1b4) | 0x3000;
+	MCHBAR8(0x130) = MCHBAR8(0x130) | 0x82;
+	printk(BIOS_DEBUG, "Done PRCOMP\n");
+
+	// Power settings
+	power_ddr2(s);
+	printk(BIOS_DEBUG, "Done power settings\n");
+
+	// ME related
+	//MCHBAR32(0xa30) = MCHBAR32(0xa30) | (1 << 26);
+
+	printk(BIOS_DEBUG, "Done ddr2\n");
+}