diff --git a/src/northbridge/intel/ironlake/raminit.c b/src/northbridge/intel/ironlake/raminit.c
new file mode 100644
index 0000000..e702e17
--- /dev/null
+++ b/src/northbridge/intel/ironlake/raminit.c
@@ -0,0 +1,4774 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Vladimir Serbinenko.
+ *
+ * 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 <console/console.h>
+#include <commonlib/helpers.h>
+#include <string.h>
+#include <arch/io.h>
+#include <device/mmio.h>
+#include <device/pci_ops.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/cache.h>
+#include <cbmem.h>
+#include <cf9_reset.h>
+#include <ip_checksum.h>
+#include <option.h>
+#include <device/pci_def.h>
+#include <device/device.h>
+#include <halt.h>
+#include <spd.h>
+#include <timestamp.h>
+#include <cpu/x86/mtrr.h>
+#include <cpu/intel/speedstep.h>
+#include <cpu/intel/turbo.h>
+#include <mrc_cache.h>
+#include <southbridge/intel/ibexpeak/me.h>
+#include <southbridge/intel/common/pmbase.h>
+#include <delay.h>
+#include <types.h>
+
+#include "chip.h"
+#include "ironlake.h"
+#include "raminit.h"
+#include "raminit_tables.h"
+
+#define NORTHBRIDGE PCI_DEV(0, 0, 0)
+#define SOUTHBRIDGE PCI_DEV(0, 0x1f, 0)
+#define GMA PCI_DEV (0, 0x2, 0x0)
+#define HECIDEV PCI_DEV(0, 0x16, 0)
+#define HECIBAR 0x10
+
+#define FOR_ALL_RANKS					   \
+  for (channel = 0; channel < NUM_CHANNELS; channel++)	   \
+    for (slot = 0; slot < NUM_SLOTS; slot++)		   \
+      for (rank = 0; rank < NUM_RANKS; rank++)
+
+#define FOR_POPULATED_RANKS				   \
+  for (channel = 0; channel < NUM_CHANNELS; channel++)	   \
+    for (slot = 0; slot < NUM_SLOTS; slot++)		   \
+      for (rank = 0; rank < NUM_RANKS; rank++)		   \
+	if (info->populated_ranks[channel][slot][rank])
+
+#define FOR_POPULATED_RANKS_BACKWARDS				\
+  for (channel = NUM_CHANNELS - 1; channel >= 0; channel--)	\
+    for (slot = 0; slot < NUM_SLOTS; slot++)			\
+      for (rank = 0; rank < NUM_RANKS; rank++)			\
+	if (info->populated_ranks[channel][slot][rank])
+
+/* [REG_178][CHANNEL][2 * SLOT + RANK][LANE] */
+typedef struct {
+	u8 smallest;
+	u8 largest;
+} timing_bounds_t[2][2][2][9];
+
+#define MRC_CACHE_VERSION 1
+
+struct ram_training {
+	/* [TM][CHANNEL][SLOT][RANK][LANE] */
+	u16 lane_timings[4][2][2][2][9];
+	u16 reg_178;
+	u16 reg_10b;
+
+	u8 reg178_center;
+	u8 reg178_smallest;
+	u8 reg178_largest;
+	timing_bounds_t timing_bounds[2];
+	u16 timing_offset[2][2][2][9];
+	u16 timing2_offset[2][2][2][9];
+	u16 timing2_bounds[2][2][2][9][2];
+	u8 reg274265[2][3];	/* [CHANNEL][REGISTER] */
+	u8 reg2ca9_bit0;
+	u32 reg_6dc;
+	u32 reg_6e8;
+};
+
+#include <lib.h>		/* Prototypes */
+
+typedef struct _u128 {
+	u64 lo;
+	u64 hi;
+} u128;
+
+static void read128(u32 addr, u64 * out)
+{
+	u128 ret;
+	u128 stor;
+	asm volatile ("movdqu %%xmm0, %0\n"
+		      "movdqa (%2), %%xmm0\n"
+		      "movdqu %%xmm0, %1\n"
+		      "movdqu %0, %%xmm0":"+m" (stor), "=m"(ret):"r"(addr));
+	out[0] = ret.lo;
+	out[1] = ret.hi;
+}
+
+/* OK */
+static void write_1d0(u32 val, u16 addr, int bits, int flag)
+{
+	MCHBAR32(0x1d0) = 0;
+	while (MCHBAR32(0x1d0) & 0x800000)
+		;
+	MCHBAR32(0x1d4) =
+		(val & ((1 << bits) - 1)) | (2 << bits) | (flag << bits);
+	MCHBAR32(0x1d0) = 0x40000000 | addr;
+	while (MCHBAR32(0x1d0) & 0x800000)
+		;
+}
+
+/* OK */
+static u16 read_1d0(u16 addr, int split)
+{
+	u32 val;
+	MCHBAR32(0x1d0) = 0;
+	while (MCHBAR32(0x1d0) & 0x800000)
+		;
+	MCHBAR32(0x1d0) =
+		0x80000000 | (((MCHBAR8(0x246) >> 2) & 3) + 0x361 - addr);
+	while (MCHBAR32(0x1d0) & 0x800000)
+		;
+	val = MCHBAR32(0x1d8);
+	write_1d0(0, 0x33d, 0, 0);
+	write_1d0(0, 0x33d, 0, 0);
+	val &= ((1 << split) - 1);
+	//  printk (BIOS_ERR, "R1D0C [%x] => %x\n", addr, val);
+	return val;
+}
+
+static void write32p(uintptr_t addr, uint32_t val)
+{
+	write32((void *)addr, val);
+}
+
+static uint32_t read32p(uintptr_t addr)
+{
+	return read32((void *)addr);
+}
+
+static void sfence(void)
+{
+	asm volatile ("sfence");
+}
+
+static inline u16 get_lane_offset(int slot, int rank, int lane)
+{
+	return 0x124 * lane + ((lane & 4) ? 0x23e : 0) + 11 * rank + 22 * slot -
+	    0x452 * (lane == 8);
+}
+
+static inline u16 get_timing_register_addr(int lane, int tm, int slot, int rank)
+{
+	const u16 offs[] = { 0x1d, 0xa8, 0xe6, 0x5c };
+	return get_lane_offset(slot, rank, lane) + offs[(tm + 3) % 4];
+}
+
+static u32 gav_real(int line, u32 in)
+{
+	//  printk (BIOS_DEBUG, "%d: GAV: %x\n", line, in);
+	return in;
+}
+
+#define gav(x) gav_real (__LINE__, (x))
+
+struct raminfo {
+	u16 clock_speed_index;	/* clock_speed (REAL, not DDR) / 133.(3) - 3 */
+	u16 fsb_frequency;	/* in 1.(1)/2 MHz.  */
+	u8 is_x16_module[2][2];	/* [CHANNEL][SLOT] */
+	u8 density[2][2];	/* [CHANNEL][SLOT] */
+	u8 populated_ranks[2][2][2];	/* [CHANNEL][SLOT][RANK] */
+	int rank_start[2][2][2];
+	u8 cas_latency;
+	u8 board_lane_delay[9];
+	u8 use_ecc;
+	u8 revision;
+	u8 max_supported_clock_speed_index;
+	u8 uma_enabled;
+	u8 spd[2][2][151];	/* [CHANNEL][SLOT][BYTE]  */
+	u8 silicon_revision;
+	u8 populated_ranks_mask[2];
+	u8 max_slots_used_in_channel;
+	u8 mode4030[2];
+	u16 avg4044[2];
+	u16 max4048[2];
+	unsigned int total_memory_mb;
+	unsigned int interleaved_part_mb;
+	unsigned int non_interleaved_part_mb;
+
+	u32 heci_bar;
+	u64 heci_uma_addr;
+	unsigned int memory_reserved_for_heci_mb;
+
+	struct ram_training training;
+	u32 last_500_command[2];
+
+	u32 delay46_ps[2];
+	u32 delay54_ps[2];
+	u8 revision_flag_1;
+	u8 some_delay_1_cycle_floor;
+	u8 some_delay_2_halfcycles_ceil;
+	u8 some_delay_3_ps_rounded;
+
+	const struct ram_training *cached_training;
+};
+
+/* Global allocation of timings_car */
+timing_bounds_t timings_car[64];
+
+static void
+write_500(struct raminfo *info, int channel, u32 val, u16 addr, int bits,
+	  int flag);
+
+/* OK */
+static u16
+read_500(struct raminfo *info, int channel, u16 addr, int split)
+{
+	u32 val;
+	info->last_500_command[channel] = 0x80000000;
+	MCHBAR32(0x500 + (channel << 10)) = 0;
+	while (MCHBAR32(0x500 + (channel << 10)) & 0x800000)
+		;
+	MCHBAR32(0x500 + (channel << 10)) =
+		0x80000000 | (((MCHBAR8(0x246 + (channel << 10)) >> 2) & 3)
+		+ 0xb88 - addr);
+	while (MCHBAR32(0x500 + (channel << 10)) & 0x800000)
+		;
+	val = MCHBAR32(0x508 + (channel << 10));
+	return val & ((1 << split) - 1);
+}
+
+/* OK */
+static void
+write_500(struct raminfo *info, int channel, u32 val, u16 addr, int bits,
+	  int flag)
+{
+	if (info->last_500_command[channel] == 0x80000000) {
+		info->last_500_command[channel] = 0x40000000;
+		write_500(info, channel, 0, 0xb61, 0, 0);
+	}
+	MCHBAR32(0x500 + (channel << 10)) = 0;
+	while (MCHBAR32(0x500 + (channel << 10)) & 0x800000)
+		;
+	MCHBAR32(0x504 + (channel << 10)) =
+		(val & ((1 << bits) - 1)) | (2 << bits) | (flag << bits);
+	MCHBAR32(0x500 + (channel << 10)) = 0x40000000 | addr;
+	while (MCHBAR32(0x500 + (channel << 10)) & 0x800000)
+		;
+}
+
+static int rw_test(int rank)
+{
+	const u32 mask = 0xf00fc33c;
+	int ok = 0xff;
+	int i;
+	for (i = 0; i < 64; i++)
+		write32p((rank << 28) | (i << 2), 0);
+	sfence();
+	for (i = 0; i < 64; i++)
+		gav(read32p((rank << 28) | (i << 2)));
+	sfence();
+	for (i = 0; i < 32; i++) {
+		u32 pat = (((mask >> i) & 1) ? 0xffffffff : 0);
+		write32p((rank << 28) | (i << 3), pat);
+		write32p((rank << 28) | (i << 3) | 4, pat);
+	}
+	sfence();
+	for (i = 0; i < 32; i++) {
+		u8 pat = (((mask >> i) & 1) ? 0xff : 0);
+		int j;
+		u32 val;
+		gav(val = read32p((rank << 28) | (i << 3)));
+		for (j = 0; j < 4; j++)
+			if (((val >> (j * 8)) & 0xff) != pat)
+				ok &= ~(1 << j);
+		gav(val = read32p((rank << 28) | (i << 3) | 4));
+		for (j = 0; j < 4; j++)
+			if (((val >> (j * 8)) & 0xff) != pat)
+				ok &= ~(16 << j);
+	}
+	sfence();
+	for (i = 0; i < 64; i++)
+		write32p((rank << 28) | (i << 2), 0);
+	sfence();
+	for (i = 0; i < 64; i++)
+		gav(read32p((rank << 28) | (i << 2)));
+
+	return ok;
+}
+
+static void
+program_timings(struct raminfo *info, u16 base, int channel, int slot, int rank)
+{
+	int lane;
+	for (lane = 0; lane < 8; lane++) {
+		write_500(info, channel,
+			  base +
+			  info->training.
+			  lane_timings[2][channel][slot][rank][lane],
+			  get_timing_register_addr(lane, 2, slot, rank), 9, 0);
+		write_500(info, channel,
+			  base +
+			  info->training.
+			  lane_timings[3][channel][slot][rank][lane],
+			  get_timing_register_addr(lane, 3, slot, rank), 9, 0);
+	}
+}
+
+static void write_26c(int channel, u16 si)
+{
+	MCHBAR32(0x26c + (channel << 10)) = 0x03243f35;
+	MCHBAR32(0x268 + (channel << 10)) = 0xcfc00000 | (si << 9);
+	MCHBAR16(0x2b9 + (channel << 10)) = si;
+}
+
+static u32 get_580(int channel, u8 addr)
+{
+	u32 ret;
+	gav(read_1d0(0x142, 3));
+	MCHBAR8(0x5ff) = 0x0;
+	MCHBAR8(0x5ff) = 0x80;
+	MCHBAR32(0x580 + (channel << 10)) = 0x8493c012 | addr;
+	MCHBAR8_OR(0x580 + (channel << 10), 1);
+	while (!((ret = MCHBAR32(0x580 + (channel << 10))) & 0x10000))
+		;
+	MCHBAR8_AND(0x580 + (channel << 10), ~1);
+	return ret;
+}
+
+const int cached_config = 0;
+
+#define NUM_CHANNELS 2
+#define NUM_SLOTS 2
+#define NUM_RANKS 2
+#define RANK_SHIFT 28
+#define CHANNEL_SHIFT 10
+
+static void seq9(struct raminfo *info, int channel, int slot, int rank)
+{
+	int i, lane;
+
+	for (i = 0; i < 2; i++)
+		for (lane = 0; lane < 8; lane++)
+			write_500(info, channel,
+				  info->training.lane_timings[i +
+							      1][channel][slot]
+				  [rank][lane], get_timing_register_addr(lane,
+									 i + 1,
+									 slot,
+									 rank),
+				  9, 0);
+
+	write_1d0(1, 0x103, 6, 1);
+	for (lane = 0; lane < 8; lane++)
+		write_500(info, channel,
+			  info->training.
+			  lane_timings[0][channel][slot][rank][lane],
+			  get_timing_register_addr(lane, 0, slot, rank), 9, 0);
+
+	for (i = 0; i < 2; i++) {
+		for (lane = 0; lane < 8; lane++)
+			write_500(info, channel,
+				  info->training.lane_timings[i +
+							      1][channel][slot]
+				  [rank][lane], get_timing_register_addr(lane,
+									 i + 1,
+									 slot,
+									 rank),
+				  9, 0);
+		gav(get_580(channel, ((i + 1) << 2) | (rank << 5)));
+	}
+
+	gav(read_1d0(0x142, 3));	// = 0x10408118
+	MCHBAR8(0x5ff) = 0x0;
+	MCHBAR8(0x5ff) = 0x80;
+	write_1d0(0x2, 0x142, 3, 1);
+	for (lane = 0; lane < 8; lane++) {
+		//      printk (BIOS_ERR, "before: %x\n", info->training.lane_timings[2][channel][slot][rank][lane]);
+		info->training.lane_timings[2][channel][slot][rank][lane] =
+		    read_500(info, channel,
+			     get_timing_register_addr(lane, 2, slot, rank), 9);
+		//printk (BIOS_ERR, "after: %x\n", info->training.lane_timings[2][channel][slot][rank][lane]);
+		info->training.lane_timings[3][channel][slot][rank][lane] =
+		    info->training.lane_timings[2][channel][slot][rank][lane] +
+		    0x20;
+	}
+}
+
+static int count_ranks_in_channel(struct raminfo *info, int channel)
+{
+	int slot, rank;
+	int res = 0;
+	for (slot = 0; slot < NUM_SLOTS; slot++)
+		for (rank = 0; rank < NUM_SLOTS; rank++)
+			res += info->populated_ranks[channel][slot][rank];
+	return res;
+}
+
+static void
+config_rank(struct raminfo *info, int s3resume, int channel, int slot, int rank)
+{
+	int add;
+
+	write_1d0(0, 0x178, 7, 1);
+	seq9(info, channel, slot, rank);
+	program_timings(info, 0x80, channel, slot, rank);
+
+	if (channel == 0)
+		add = count_ranks_in_channel(info, 1);
+	else
+		add = 0;
+	if (!s3resume)
+		gav(rw_test(rank + add));
+	program_timings(info, 0x00, channel, slot, rank);
+	if (!s3resume)
+		gav(rw_test(rank + add));
+	if (!s3resume)
+		gav(rw_test(rank + add));
+	write_1d0(0, 0x142, 3, 1);
+	write_1d0(0, 0x103, 6, 1);
+
+	gav(get_580(channel, 0xc | (rank << 5)));
+	gav(read_1d0(0x142, 3));
+
+	MCHBAR8(0x5ff) = 0x0;
+	MCHBAR8(0x5ff) = 0x80;
+}
+
+static void set_4cf(struct raminfo *info, int channel, u8 val)
+{
+	gav(read_500(info, channel, 0x4cf, 4));	// = 0xc2300cf9
+	write_500(info, channel, val, 0x4cf, 4, 1);
+	gav(read_500(info, channel, 0x659, 4));	// = 0x80300839
+	write_500(info, channel, val, 0x659, 4, 1);
+	gav(read_500(info, channel, 0x697, 4));	// = 0x80300839
+	write_500(info, channel, val, 0x697, 4, 1);
+}
+
+static void set_334(int zero)
+{
+	int j, k, channel;
+	const u32 val3[] = { 0x2a2b2a2b, 0x26272627, 0x2e2f2e2f, 0x2a2b };
+	u32 vd8[2][16];
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		for (j = 0; j < 4; j++) {
+			u32 a = (j == 1) ? 0x29292929 : 0x31313131;
+			u32 lmask = (j == 3) ? 0xffff : 0xffffffff;
+			u16 c;
+			if ((j == 0 || j == 3) && zero)
+				c = 0;
+			else if (j == 3)
+				c = 0x5f;
+			else
+				c = 0x5f5f;
+
+			for (k = 0; k < 2; k++) {
+				MCHBAR32(0x138 + 8 * k) =
+					(channel << 26) | (j << 24);
+				gav(vd8[1][(channel << 3) | (j << 1) | k] =
+				    MCHBAR32(0x138 + 8 * k));
+				gav(vd8[0][(channel << 3) | (j << 1) | k] =
+				    MCHBAR32(0x13c + 8 * k));
+			}
+
+			MCHBAR32(0x334 + (channel << 10) + (j * 0x44)) =
+				zero ? 0 : val3[j];
+			MCHBAR32(0x32c + (channel << 10) + (j * 0x44)) =
+				zero ? 0 : (0x18191819 & lmask);
+			MCHBAR16(0x34a + (channel << 10) + (j * 0x44)) = c;
+			MCHBAR32(0x33c + (channel << 10) + (j * 0x44)) =
+				zero ? 0 : (a & lmask);
+			MCHBAR32(0x344 + (channel << 10) + (j * 0x44)) =
+				zero ? 0 : (a & lmask);
+		}
+	}
+
+	MCHBAR32_OR(0x130, 1);
+	while (MCHBAR8(0x130) & 1)
+		;
+}
+
+static void rmw_1d0(u16 addr, u32 and, u32 or, int split, int flag)
+{
+	u32 v;
+	v = read_1d0(addr, split);
+	write_1d0((v & and) | or, addr, split, flag);
+}
+
+static int find_highest_bit_set(u16 val)
+{
+	int i;
+	for (i = 15; i >= 0; i--)
+		if (val & (1 << i))
+			return i;
+	return -1;
+}
+
+static int find_lowest_bit_set32(u32 val)
+{
+	int i;
+	for (i = 0; i < 32; i++)
+		if (val & (1 << i))
+			return i;
+	return -1;
+}
+
+enum {
+	DEVICE_TYPE = 2,
+	MODULE_TYPE = 3,
+	DENSITY = 4,
+	RANKS_AND_DQ = 7,
+	MEMORY_BUS_WIDTH = 8,
+	TIMEBASE_DIVIDEND = 10,
+	TIMEBASE_DIVISOR = 11,
+	CYCLETIME = 12,
+
+	CAS_LATENCIES_LSB = 14,
+	CAS_LATENCIES_MSB = 15,
+	CAS_LATENCY_TIME = 16,
+	THERMAL_AND_REFRESH = 31,
+	REFERENCE_RAW_CARD_USED = 62,
+	RANK1_ADDRESS_MAPPING = 63
+};
+
+static void calculate_timings(struct raminfo *info)
+{
+	unsigned int cycletime;
+	unsigned int cas_latency_time;
+	unsigned int supported_cas_latencies;
+	unsigned int channel, slot;
+	unsigned int clock_speed_index;
+	unsigned int min_cas_latency;
+	unsigned int cas_latency;
+	unsigned int max_clock_index;
+
+	/* Find common CAS latency  */
+	supported_cas_latencies = 0x3fe;
+	for (channel = 0; channel < NUM_CHANNELS; channel++)
+		for (slot = 0; slot < NUM_SLOTS; slot++)
+			if (info->populated_ranks[channel][slot][0])
+				supported_cas_latencies &=
+				    2 *
+				    (info->
+				     spd[channel][slot][CAS_LATENCIES_LSB] |
+				     (info->
+				      spd[channel][slot][CAS_LATENCIES_MSB] <<
+				      8));
+
+	max_clock_index = MIN(3, info->max_supported_clock_speed_index);
+
+	cycletime = min_cycletime[max_clock_index];
+	cas_latency_time = min_cas_latency_time[max_clock_index];
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++)
+		for (slot = 0; slot < NUM_SLOTS; slot++)
+			if (info->populated_ranks[channel][slot][0]) {
+				unsigned int timebase;
+				timebase =
+				    1000 *
+				    info->
+				    spd[channel][slot][TIMEBASE_DIVIDEND] /
+				    info->spd[channel][slot][TIMEBASE_DIVISOR];
+				cycletime =
+				    MAX(cycletime,
+					timebase *
+					info->spd[channel][slot][CYCLETIME]);
+				cas_latency_time =
+				    MAX(cas_latency_time,
+					timebase *
+					info->
+					spd[channel][slot][CAS_LATENCY_TIME]);
+			}
+	if (cycletime > min_cycletime[0])
+		die("RAM init: Decoded SPD DRAM freq is slower than the controller minimum!");
+	for (clock_speed_index = 0; clock_speed_index < 3; clock_speed_index++) {
+		if (cycletime == min_cycletime[clock_speed_index])
+			break;
+		if (cycletime > min_cycletime[clock_speed_index]) {
+			clock_speed_index--;
+			cycletime = min_cycletime[clock_speed_index];
+			break;
+		}
+	}
+	min_cas_latency = DIV_ROUND_UP(cas_latency_time, cycletime);
+	cas_latency = 0;
+	while (supported_cas_latencies) {
+		cas_latency = find_highest_bit_set(supported_cas_latencies) + 3;
+		if (cas_latency <= min_cas_latency)
+			break;
+		supported_cas_latencies &=
+		    ~(1 << find_highest_bit_set(supported_cas_latencies));
+	}
+
+	if (cas_latency != min_cas_latency && clock_speed_index)
+		clock_speed_index--;
+
+	if (cas_latency * min_cycletime[clock_speed_index] > 20000)
+		die("Couldn't configure DRAM");
+	info->clock_speed_index = clock_speed_index;
+	info->cas_latency = cas_latency;
+}
+
+static void program_base_timings(struct raminfo *info)
+{
+	unsigned int channel;
+	unsigned int slot, rank, lane;
+	unsigned int extended_silicon_revision;
+	int i;
+
+	extended_silicon_revision = info->silicon_revision;
+	if (info->silicon_revision == 0)
+		for (channel = 0; channel < NUM_CHANNELS; channel++)
+			for (slot = 0; slot < NUM_SLOTS; slot++)
+				if ((info->
+				     spd[channel][slot][MODULE_TYPE] & 0xF) ==
+				    3)
+					extended_silicon_revision = 4;
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		for (slot = 0; slot < NUM_SLOTS; slot++)
+			for (rank = 0; rank < NUM_SLOTS; rank++) {
+				int card_timing_2;
+				if (!info->populated_ranks[channel][slot][rank])
+					continue;
+
+				for (lane = 0; lane < 9; lane++) {
+					int tm_reg;
+					int card_timing;
+
+					card_timing = 0;
+					if ((info->
+					     spd[channel][slot][MODULE_TYPE] &
+					     0xF) == 3) {
+						int reference_card;
+						reference_card =
+						    info->
+						    spd[channel][slot]
+						    [REFERENCE_RAW_CARD_USED] &
+						    0x1f;
+						if (reference_card == 3)
+							card_timing =
+							    u16_ffd1188[0][lane]
+							    [info->
+							     clock_speed_index];
+						if (reference_card == 5)
+							card_timing =
+							    u16_ffd1188[1][lane]
+							    [info->
+							     clock_speed_index];
+					}
+
+					info->training.
+					    lane_timings[0][channel][slot][rank]
+					    [lane] =
+					    u8_FFFD1218[info->
+							clock_speed_index];
+					info->training.
+					    lane_timings[1][channel][slot][rank]
+					    [lane] = 256;
+
+					for (tm_reg = 2; tm_reg < 4; tm_reg++)
+						info->training.
+						    lane_timings[tm_reg]
+						    [channel][slot][rank][lane]
+						    =
+						    u8_FFFD1240[channel]
+						    [extended_silicon_revision]
+						    [lane][2 * slot +
+							   rank][info->
+								 clock_speed_index]
+						    + info->max4048[channel]
+						    +
+						    u8_FFFD0C78[channel]
+						    [extended_silicon_revision]
+						    [info->
+						     mode4030[channel]][slot]
+						    [rank][info->
+							   clock_speed_index]
+						    + card_timing;
+					for (tm_reg = 0; tm_reg < 4; tm_reg++)
+						write_500(info, channel,
+							  info->training.
+							  lane_timings[tm_reg]
+							  [channel][slot][rank]
+							  [lane],
+							  get_timing_register_addr
+							  (lane, tm_reg, slot,
+							   rank), 9, 0);
+				}
+
+				card_timing_2 = 0;
+				if (!(extended_silicon_revision != 4
+				      || (info->
+					  populated_ranks_mask[channel] & 5) ==
+				      5)) {
+					if ((info->
+					     spd[channel][slot]
+					     [REFERENCE_RAW_CARD_USED] & 0x1F)
+					    == 3)
+						card_timing_2 =
+						    u16_FFFE0EB8[0][info->
+								    clock_speed_index];
+					if ((info->
+					     spd[channel][slot]
+					     [REFERENCE_RAW_CARD_USED] & 0x1F)
+					    == 5)
+						card_timing_2 =
+						    u16_FFFE0EB8[1][info->
+								    clock_speed_index];
+				}
+
+				for (i = 0; i < 3; i++)
+					write_500(info, channel,
+						  (card_timing_2 +
+						   info->max4048[channel]
+						   +
+						   u8_FFFD0EF8[channel]
+						   [extended_silicon_revision]
+						   [info->
+						    mode4030[channel]][info->
+								       clock_speed_index]),
+						  u16_fffd0c50[i][slot][rank],
+						  8, 1);
+				write_500(info, channel,
+					  (info->max4048[channel] +
+					   u8_FFFD0C78[channel]
+					   [extended_silicon_revision][info->
+								       mode4030
+								       [channel]]
+					   [slot][rank][info->
+							clock_speed_index]),
+					  u16_fffd0c70[slot][rank], 7, 1);
+			}
+		if (!info->populated_ranks_mask[channel])
+			continue;
+		for (i = 0; i < 3; i++)
+			write_500(info, channel,
+				  (info->max4048[channel] +
+				   info->avg4044[channel]
+				   +
+				   u8_FFFD17E0[channel]
+				   [extended_silicon_revision][info->
+							       mode4030
+							       [channel]][info->
+									  clock_speed_index]),
+				  u16_fffd0c68[i], 8, 1);
+	}
+}
+
+static unsigned int fsbcycle_ps(struct raminfo *info)
+{
+	return 900000 / info->fsb_frequency;
+}
+
+/* The time of DDR transfer in ps.  */
+static unsigned int halfcycle_ps(struct raminfo *info)
+{
+	return 3750 / (info->clock_speed_index + 3);
+}
+
+/* The time of clock cycle in ps.  */
+static unsigned int cycle_ps(struct raminfo *info)
+{
+	return 2 * halfcycle_ps(info);
+}
+
+/* Frequency in 1.(1)=10/9 MHz units. */
+static unsigned int frequency_11(struct raminfo *info)
+{
+	return (info->clock_speed_index + 3) * 120;
+}
+
+/* Frequency in 0.1 MHz units. */
+static unsigned int frequency_01(struct raminfo *info)
+{
+	return 100 * frequency_11(info) / 9;
+}
+
+static unsigned int ps_to_halfcycles(struct raminfo *info, unsigned int ps)
+{
+	return (frequency_11(info) * 2) * ps / 900000;
+}
+
+static unsigned int ns_to_cycles(struct raminfo *info, unsigned int ns)
+{
+	return (frequency_11(info)) * ns / 900;
+}
+
+static void compute_derived_timings(struct raminfo *info)
+{
+	unsigned int channel, slot, rank;
+	int extended_silicon_revision;
+	int some_delay_1_ps;
+	int some_delay_2_ps;
+	int some_delay_2_halfcycles_ceil;
+	int some_delay_2_halfcycles_floor;
+	int some_delay_3_ps;
+	int some_delay_3_ps_rounded;
+	int some_delay_1_cycle_ceil;
+	int some_delay_1_cycle_floor;
+
+	some_delay_3_ps_rounded = 0;
+	extended_silicon_revision = info->silicon_revision;
+	if (!info->silicon_revision)
+		for (channel = 0; channel < NUM_CHANNELS; channel++)
+			for (slot = 0; slot < NUM_SLOTS; slot++)
+				if ((info->
+				     spd[channel][slot][MODULE_TYPE] & 0xF) ==
+				    3)
+					extended_silicon_revision = 4;
+	if (info->board_lane_delay[7] < 5)
+		info->board_lane_delay[7] = 5;
+	info->revision_flag_1 = 2;
+	if (info->silicon_revision == 2 || info->silicon_revision == 3)
+		info->revision_flag_1 = 0;
+	if (info->revision < 16)
+		info->revision_flag_1 = 0;
+
+	if (info->revision < 8)
+		info->revision_flag_1 = 0;
+	if (info->revision >= 8 && (info->silicon_revision == 0
+				    || info->silicon_revision == 1))
+		some_delay_2_ps = 735;
+	else
+		some_delay_2_ps = 750;
+
+	if (info->revision >= 0x10 && (info->silicon_revision == 0
+				       || info->silicon_revision == 1))
+		some_delay_1_ps = 3929;
+	else
+		some_delay_1_ps = 3490;
+
+	some_delay_1_cycle_floor = some_delay_1_ps / cycle_ps(info);
+	some_delay_1_cycle_ceil = some_delay_1_ps / cycle_ps(info);
+	if (some_delay_1_ps % cycle_ps(info))
+		some_delay_1_cycle_ceil++;
+	else
+		some_delay_1_cycle_floor--;
+	info->some_delay_1_cycle_floor = some_delay_1_cycle_floor;
+	if (info->revision_flag_1)
+		some_delay_2_ps = halfcycle_ps(info) >> 6;
+	some_delay_2_ps +=
+	    MAX(some_delay_1_ps - 30,
+		2 * halfcycle_ps(info) * (some_delay_1_cycle_ceil - 1) + 1000) +
+	    375;
+	some_delay_3_ps =
+	    halfcycle_ps(info) - some_delay_2_ps % halfcycle_ps(info);
+	if (info->revision_flag_1) {
+		if (some_delay_3_ps >= 150) {
+			const int some_delay_3_halfcycles =
+			    (some_delay_3_ps << 6) / halfcycle_ps(info);
+			some_delay_3_ps_rounded =
+			    halfcycle_ps(info) * some_delay_3_halfcycles >> 6;
+		}
+	}
+	some_delay_2_halfcycles_ceil =
+	    (some_delay_2_ps + halfcycle_ps(info) - 1) / halfcycle_ps(info) -
+	    2 * (some_delay_1_cycle_ceil - 1);
+	if (info->revision_flag_1 && some_delay_3_ps < 150)
+		some_delay_2_halfcycles_ceil++;
+	some_delay_2_halfcycles_floor = some_delay_2_halfcycles_ceil;
+	if (info->revision < 0x10)
+		some_delay_2_halfcycles_floor =
+		    some_delay_2_halfcycles_ceil - 1;
+	if (!info->revision_flag_1)
+		some_delay_2_halfcycles_floor++;
+	info->some_delay_2_halfcycles_ceil = some_delay_2_halfcycles_ceil;
+	info->some_delay_3_ps_rounded = some_delay_3_ps_rounded;
+	if ((info->populated_ranks[0][0][0] && info->populated_ranks[0][1][0])
+	    || (info->populated_ranks[1][0][0]
+		&& info->populated_ranks[1][1][0]))
+		info->max_slots_used_in_channel = 2;
+	else
+		info->max_slots_used_in_channel = 1;
+	for (channel = 0; channel < 2; channel++)
+		MCHBAR32(0x244 + (channel << 10)) =
+			((info->revision < 8) ? 1 : 0x200) |
+			((2 - info->max_slots_used_in_channel) << 17) |
+			(channel << 21) |
+			(info->some_delay_1_cycle_floor << 18) | 0x9510;
+	if (info->max_slots_used_in_channel == 1) {
+		info->mode4030[0] = (count_ranks_in_channel(info, 0) == 2);
+		info->mode4030[1] = (count_ranks_in_channel(info, 1) == 2);
+	} else {
+		info->mode4030[0] = ((count_ranks_in_channel(info, 0) == 1) || (count_ranks_in_channel(info, 0) == 2)) ? 2 : 3;	/* 2 if 1 or 2 ranks */
+		info->mode4030[1] = ((count_ranks_in_channel(info, 1) == 1)
+				     || (count_ranks_in_channel(info, 1) ==
+					 2)) ? 2 : 3;
+	}
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		int max_of_unk;
+		int min_of_unk_2;
+
+		int i, count;
+		int sum;
+
+		if (!info->populated_ranks_mask[channel])
+			continue;
+
+		max_of_unk = 0;
+		min_of_unk_2 = 32767;
+
+		sum = 0;
+		count = 0;
+		for (i = 0; i < 3; i++) {
+			int unk1;
+			if (info->revision < 8)
+				unk1 =
+				    u8_FFFD1891[0][channel][info->
+							    clock_speed_index]
+				    [i];
+			else if (!
+				 (info->revision >= 0x10
+				  || info->revision_flag_1))
+				unk1 =
+				    u8_FFFD1891[1][channel][info->
+							    clock_speed_index]
+				    [i];
+			else
+				unk1 = 0;
+			for (slot = 0; slot < NUM_SLOTS; slot++)
+				for (rank = 0; rank < NUM_RANKS; rank++) {
+					int a = 0;
+					int b = 0;
+
+					if (!info->
+					    populated_ranks[channel][slot]
+					    [rank])
+						continue;
+					if (extended_silicon_revision == 4
+					    && (info->
+						populated_ranks_mask[channel] &
+						5) != 5) {
+						if ((info->
+						     spd[channel][slot]
+						     [REFERENCE_RAW_CARD_USED] &
+						     0x1F) == 3) {
+							a = u16_ffd1178[0]
+							    [info->
+							     clock_speed_index];
+							b = u16_fe0eb8[0][info->
+									  clock_speed_index];
+						} else
+						    if ((info->
+							 spd[channel][slot]
+							 [REFERENCE_RAW_CARD_USED]
+							 & 0x1F) == 5) {
+							a = u16_ffd1178[1]
+							    [info->
+							     clock_speed_index];
+							b = u16_fe0eb8[1][info->
+									  clock_speed_index];
+						}
+					}
+					min_of_unk_2 = MIN(min_of_unk_2, a);
+					min_of_unk_2 = MIN(min_of_unk_2, b);
+					if (rank == 0) {
+						sum += a;
+						count++;
+					}
+					{
+						int t;
+						t = b +
+						    u8_FFFD0EF8[channel]
+						    [extended_silicon_revision]
+						    [info->
+						     mode4030[channel]][info->
+									clock_speed_index];
+						if (unk1 >= t)
+							max_of_unk =
+							    MAX(max_of_unk,
+								unk1 - t);
+					}
+				}
+			{
+				int t =
+				    u8_FFFD17E0[channel]
+				    [extended_silicon_revision][info->
+								mode4030
+								[channel]]
+				    [info->clock_speed_index] + min_of_unk_2;
+				if (unk1 >= t)
+					max_of_unk = MAX(max_of_unk, unk1 - t);
+			}
+		}
+
+		if (count == 0)
+			die("No memory ranks found for channel %u\n", channel);
+
+		info->avg4044[channel] = sum / count;
+		info->max4048[channel] = max_of_unk;
+	}
+}
+
+static void jedec_read(struct raminfo *info,
+		       int channel, int slot, int rank,
+		       int total_rank, u8 addr3, unsigned int value)
+{
+	/* Handle mirrored mapping.  */
+	if ((rank & 1) && (info->spd[channel][slot][RANK1_ADDRESS_MAPPING] & 1))
+		addr3 = (addr3 & 0xCF) | ((addr3 & 0x10) << 1) |
+			((addr3 >> 1) & 0x10);
+	MCHBAR8(0x271) = addr3 | (MCHBAR8(0x271) & 0xC1);
+	MCHBAR8(0x671) = addr3 | (MCHBAR8(0x671) & 0xC1);
+
+	/* Handle mirrored mapping.  */
+	if ((rank & 1) && (info->spd[channel][slot][RANK1_ADDRESS_MAPPING] & 1))
+		value =
+		    (value & ~0x1f8) | ((value >> 1) & 0xa8) | ((value & 0xa8)
+								<< 1);
+
+	read32p((value << 3) | (total_rank << 28));
+
+	MCHBAR8(0x271) = (MCHBAR8(0x271) & 0xC3) | 2;
+	MCHBAR8(0x671) = (MCHBAR8(0x671) & 0xC3) | 2;
+
+	read32p(total_rank << 28);
+}
+
+enum {
+	MR1_RZQ12 = 512,
+	MR1_RZQ2 = 64,
+	MR1_RZQ4 = 4,
+	MR1_ODS34OHM = 2
+};
+
+enum {
+	MR0_BT_INTERLEAVED = 8,
+	MR0_DLL_RESET_ON = 256
+};
+
+enum {
+	MR2_RTT_WR_DISABLED = 0,
+	MR2_RZQ2 = 1 << 10
+};
+
+static void jedec_init(struct raminfo *info)
+{
+	int write_recovery;
+	int channel, slot, rank;
+	int total_rank;
+	int dll_on;
+	int self_refresh_temperature;
+	int auto_self_refresh;
+
+	auto_self_refresh = 1;
+	self_refresh_temperature = 1;
+	if (info->board_lane_delay[3] <= 10) {
+		if (info->board_lane_delay[3] <= 8)
+			write_recovery = info->board_lane_delay[3] - 4;
+		else
+			write_recovery = 5;
+	} else {
+		write_recovery = 6;
+	}
+	FOR_POPULATED_RANKS {
+		auto_self_refresh &=
+		    (info->spd[channel][slot][THERMAL_AND_REFRESH] >> 2) & 1;
+		self_refresh_temperature &=
+		    info->spd[channel][slot][THERMAL_AND_REFRESH] & 1;
+	}
+	if (auto_self_refresh == 1)
+		self_refresh_temperature = 0;
+
+	dll_on = ((info->silicon_revision != 2 && info->silicon_revision != 3)
+		  || (info->populated_ranks[0][0][0]
+		      && info->populated_ranks[0][1][0])
+		  || (info->populated_ranks[1][0][0]
+		      && info->populated_ranks[1][1][0]));
+
+	total_rank = 0;
+
+	for (channel = NUM_CHANNELS - 1; channel >= 0; channel--) {
+		int rtt, rtt_wr = MR2_RTT_WR_DISABLED;
+		int rzq_reg58e;
+
+		if (info->silicon_revision == 2 || info->silicon_revision == 3) {
+			rzq_reg58e = 64;
+			rtt = MR1_RZQ2;
+			if (info->clock_speed_index != 0) {
+				rzq_reg58e = 4;
+				if (info->populated_ranks_mask[channel] == 3)
+					rtt = MR1_RZQ4;
+			}
+		} else {
+			if ((info->populated_ranks_mask[channel] & 5) == 5) {
+				rtt = MR1_RZQ12;
+				rzq_reg58e = 64;
+				rtt_wr = MR2_RZQ2;
+			} else {
+				rzq_reg58e = 4;
+				rtt = MR1_RZQ4;
+			}
+		}
+
+		MCHBAR16(0x588 + (channel << 10)) = 0x0;
+		MCHBAR16(0x58a + (channel << 10)) = 0x4;
+		MCHBAR16(0x58c + (channel << 10)) = rtt | MR1_ODS34OHM;
+		MCHBAR16(0x58e + (channel << 10)) = rzq_reg58e | 0x82;
+		MCHBAR16(0x590 + (channel << 10)) = 0x1282;
+
+		for (slot = 0; slot < NUM_SLOTS; slot++)
+			for (rank = 0; rank < NUM_RANKS; rank++)
+				if (info->populated_ranks[channel][slot][rank]) {
+					jedec_read(info, channel, slot, rank,
+						   total_rank, 0x28,
+						   rtt_wr | (info->
+							     clock_speed_index
+							     << 3)
+						   | (auto_self_refresh << 6) |
+						   (self_refresh_temperature <<
+						    7));
+					jedec_read(info, channel, slot, rank,
+						   total_rank, 0x38, 0);
+					jedec_read(info, channel, slot, rank,
+						   total_rank, 0x18,
+						   rtt | MR1_ODS34OHM);
+					jedec_read(info, channel, slot, rank,
+						   total_rank, 6,
+						   (dll_on << 12) |
+						   (write_recovery << 9)
+						   | ((info->cas_latency - 4) <<
+						      4) | MR0_BT_INTERLEAVED |
+						   MR0_DLL_RESET_ON);
+					total_rank++;
+				}
+	}
+}
+
+static void program_modules_memory_map(struct raminfo *info, int pre_jedec)
+{
+	unsigned int channel, slot, rank;
+	unsigned int total_mb[2] = { 0, 0 };	/* total memory per channel in MB */
+	unsigned int channel_0_non_interleaved;
+
+	FOR_ALL_RANKS {
+		if (info->populated_ranks[channel][slot][rank]) {
+			total_mb[channel] +=
+			    pre_jedec ? 256 : (256 << info->
+					       density[channel][slot] >> info->
+					       is_x16_module[channel][slot]);
+			MCHBAR8(0x208 + rank + 2 * slot + (channel << 10)) =
+				(pre_jedec ? (1 | ((1 + 1) << 1)) :
+				(info->is_x16_module[channel][slot] |
+				((info->density[channel][slot] + 1) << 1))) |
+				0x80;
+		}
+		MCHBAR16(0x200 + (channel << 10) + 4 * slot + 2 * rank) =
+			total_mb[channel] >> 6;
+	}
+
+	info->total_memory_mb = total_mb[0] + total_mb[1];
+
+	info->interleaved_part_mb =
+	    pre_jedec ? 0 : 2 * MIN(total_mb[0], total_mb[1]);
+	info->non_interleaved_part_mb =
+	    total_mb[0] + total_mb[1] - info->interleaved_part_mb;
+	channel_0_non_interleaved = total_mb[0] - info->interleaved_part_mb / 2;
+	MCHBAR32(0x100) = channel_0_non_interleaved |
+		(info->non_interleaved_part_mb << 16);
+	if (!pre_jedec)
+		MCHBAR16(0x104) = info->interleaved_part_mb;
+}
+
+static void program_board_delay(struct raminfo *info)
+{
+	int cas_latency_shift;
+	int some_delay_ns;
+	int some_delay_3_half_cycles;
+
+	unsigned int channel, i;
+	int high_multiplier;
+	int lane_3_delay;
+	int cas_latency_derived;
+
+	high_multiplier = 0;
+	some_delay_ns = 200;
+	some_delay_3_half_cycles = 4;
+	cas_latency_shift = info->silicon_revision == 0
+	    || info->silicon_revision == 1 ? 1 : 0;
+	if (info->revision < 8) {
+		some_delay_ns = 600;
+		cas_latency_shift = 0;
+	}
+	{
+		int speed_bit;
+		speed_bit =
+		    ((info->clock_speed_index > 1
+		      || (info->silicon_revision != 2
+			  && info->silicon_revision != 3))) ^ (info->revision >=
+							       0x10);
+		write_500(info, 0, speed_bit | ((!info->use_ecc) << 1), 0x60e,
+			  3, 1);
+		write_500(info, 1, speed_bit | ((!info->use_ecc) << 1), 0x60e,
+			  3, 1);
+		if (info->revision >= 0x10 && info->clock_speed_index <= 1
+		    && (info->silicon_revision == 2
+			|| info->silicon_revision == 3))
+			rmw_1d0(0x116, 5, 2, 4, 1);
+	}
+	MCHBAR32(0x120) = (1 << (info->max_slots_used_in_channel + 28)) |
+		0x188e7f9f;
+
+	MCHBAR8(0x124) = info->board_lane_delay[4] +
+		((frequency_01(info) + 999) / 1000);
+	MCHBAR16(0x125) = 0x1360;
+	MCHBAR8(0x127) = 0x40;
+	if (info->fsb_frequency < frequency_11(info) / 2) {
+		unsigned int some_delay_2_half_cycles;
+		high_multiplier = 1;
+		some_delay_2_half_cycles = ps_to_halfcycles(info,
+							    ((3 *
+							      fsbcycle_ps(info))
+							     >> 1) +
+							    (halfcycle_ps(info)
+							     *
+							     reg178_min[info->
+									clock_speed_index]
+							     >> 6)
+							    +
+							    4 *
+							    halfcycle_ps(info)
+							    + 2230);
+		some_delay_3_half_cycles =
+		    MIN((some_delay_2_half_cycles +
+			 (frequency_11(info) * 2) * (28 -
+						     some_delay_2_half_cycles) /
+			 (frequency_11(info) * 2 -
+			  4 * (info->fsb_frequency))) >> 3, 7);
+	}
+	if (MCHBAR8(0x2ca9) & 1)
+		some_delay_3_half_cycles = 3;
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		MCHBAR32_OR(0x220 + (channel << 10), 0x18001117);
+		MCHBAR32(0x224 + (channel << 10)) =
+			(info->max_slots_used_in_channel - 1) |
+			((info->cas_latency - 5 - info->clock_speed_index)
+			<< 21) | ((info->max_slots_used_in_channel +
+			info->cas_latency - cas_latency_shift - 4) << 16) |
+			((info->cas_latency - cas_latency_shift - 4) << 26) |
+			((info->cas_latency - info->clock_speed_index +
+			info->max_slots_used_in_channel - 6) << 8);
+		MCHBAR32(0x228 + (channel << 10)) =
+			info->max_slots_used_in_channel;
+		MCHBAR8(0x239 + (channel << 10)) = 32;
+		MCHBAR32(0x248 + (channel << 10)) = (high_multiplier << 24) |
+			(some_delay_3_half_cycles << 25) | 0x840000;
+		MCHBAR32(0x278 + (channel << 10)) = 0xc362042;
+		MCHBAR32(0x27c + (channel << 10)) = 0x8b000062;
+		MCHBAR32(0x24c + (channel << 10)) =
+			((!!info->clock_speed_index) << 17) |
+			(((2 + info->clock_speed_index -
+			(!!info->clock_speed_index))) << 12) | 0x10200;
+
+		MCHBAR8(0x267 + (channel << 10)) = 0x4;
+		MCHBAR16(0x272 + (channel << 10)) = 0x155;
+		MCHBAR32_AND_OR(0x2bc + (channel << 10), 0xFF000000, 0x707070);
+
+		write_500(info, channel,
+			  ((!info->populated_ranks[channel][1][1])
+			   | (!info->populated_ranks[channel][1][0] << 1)
+			   | (!info->populated_ranks[channel][0][1] << 2)
+			   | (!info->populated_ranks[channel][0][0] << 3)),
+			  0x4c9, 4, 1);
+	}
+
+	MCHBAR8(0x2c4) = ((1 + (info->clock_speed_index != 0)) << 6) | 0xC;
+	{
+		u8 freq_divisor = 2;
+		if (info->fsb_frequency == frequency_11(info))
+			freq_divisor = 3;
+		else if (2 * info->fsb_frequency < 3 * (frequency_11(info) / 2))
+			freq_divisor = 1;
+		else
+			freq_divisor = 2;
+		MCHBAR32(0x2c0) = (freq_divisor << 11) | 0x6009c400;
+	}
+
+	if (info->board_lane_delay[3] <= 10) {
+		if (info->board_lane_delay[3] <= 8)
+			lane_3_delay = info->board_lane_delay[3];
+		else
+			lane_3_delay = 10;
+	} else {
+		lane_3_delay = 12;
+	}
+	cas_latency_derived = info->cas_latency - info->clock_speed_index + 2;
+	if (info->clock_speed_index > 1)
+		cas_latency_derived++;
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		MCHBAR32(0x240 + (channel << 10)) =
+			((info->clock_speed_index == 0) * 0x11000) |
+			0x1002100 | ((2 + info->clock_speed_index) << 4) |
+			(info->cas_latency - 3);
+		write_500(info, channel, (info->clock_speed_index << 1) | 1,
+			  0x609, 6, 1);
+		write_500(info, channel,
+			  info->clock_speed_index + 2 * info->cas_latency - 7,
+			  0x601, 6, 1);
+
+		MCHBAR32(0x250 + (channel << 10)) =
+			((lane_3_delay + info->clock_speed_index + 9) << 6) |
+			(info->board_lane_delay[7] << 2) |
+			(info->board_lane_delay[4] << 16) |
+			(info->board_lane_delay[1] << 25) |
+			(info->board_lane_delay[1] << 29) | 1;
+		MCHBAR32(0x254 + (channel << 10)) =
+			(info->board_lane_delay[1] >> 3) |
+			((info->board_lane_delay[8] + 4 * info->use_ecc) << 6) |
+			0x80 | (info->board_lane_delay[6] << 1) |
+			(info->board_lane_delay[2] << 28) |
+			(cas_latency_derived << 16) | 0x4700000;
+		MCHBAR32(0x258 + (channel << 10)) =
+			((info->board_lane_delay[5] + info->clock_speed_index +
+			9) << 12) | ((info->clock_speed_index -
+			info->cas_latency + 12) << 8) |
+			(info->board_lane_delay[2] << 17) |
+			(info->board_lane_delay[4] << 24) | 0x47;
+		MCHBAR32(0x25c + (channel << 10)) =
+			(info->board_lane_delay[1] << 1) |
+			(info->board_lane_delay[0] << 8) | 0x1da50000;
+		MCHBAR8(0x264 + (channel << 10)) = 0xff;
+		MCHBAR8(0x5f8 + (channel << 10)) =
+			(cas_latency_shift << 3) | info->use_ecc;
+	}
+
+	program_modules_memory_map(info, 1);
+
+	MCHBAR16(0x610) = (MIN(ns_to_cycles(info, some_delay_ns) / 2, 127) << 9)
+		| (MCHBAR16(0x610) & 0x1C3) | 0x3C;
+	MCHBAR16_OR(0x612, 0x100);
+	MCHBAR16_OR(0x214, 0x3E00);
+	for (i = 0; i < 8; i++) {
+		pci_write_config32(PCI_DEV (QUICKPATH_BUS, 0, 1), 0x80 + 4 * i,
+			       (info->total_memory_mb - 64) | !i | 2);
+		pci_write_config32(PCI_DEV (QUICKPATH_BUS, 0, 1), 0xc0 + 4 * i, 0);
+	}
+}
+
+#define DEFAULT_PCI_MMIO_SIZE 2048
+#define HOST_BRIDGE	PCI_DEVFN(0, 0)
+
+static unsigned int get_mmio_size(void)
+{
+	const struct device *dev;
+	const struct northbridge_intel_ironlake_config *cfg = NULL;
+
+	dev = pcidev_path_on_root(HOST_BRIDGE);
+	if (dev)
+		cfg = dev->chip_info;
+
+	/* If this is zero, it just means devicetree.cb didn't set it */
+	if (!cfg || cfg->pci_mmio_size == 0)
+		return DEFAULT_PCI_MMIO_SIZE;
+	else
+		return cfg->pci_mmio_size;
+}
+
+#define BETTER_MEMORY_MAP 0
+
+static void program_total_memory_map(struct raminfo *info)
+{
+	unsigned int TOM, TOLUD, TOUUD;
+	unsigned int quickpath_reserved;
+	unsigned int REMAPbase;
+	unsigned int uma_base_igd;
+	unsigned int uma_base_gtt;
+	unsigned int mmio_size;
+	int memory_remap;
+	unsigned int memory_map[8];
+	int i;
+	unsigned int current_limit;
+	unsigned int tseg_base;
+	int uma_size_igd = 0, uma_size_gtt = 0;
+
+	memset(memory_map, 0, sizeof(memory_map));
+
+	if (info->uma_enabled) {
+		u16 t = pci_read_config16(NORTHBRIDGE, D0F0_GGC);
+		gav(t);
+		const int uma_sizes_gtt[16] =
+		    { 0, 1, 0, 2, 0, 0, 0, 0, 0, 2, 3, 4, 42, 42, 42, 42 };
+		/* Igd memory */
+		const int uma_sizes_igd[16] = {
+			0, 0, 0, 0, 0, 32, 48, 64, 128, 256, 96, 160, 224, 352,
+			    256, 512
+		};
+
+		uma_size_igd = uma_sizes_igd[(t >> 4) & 0xF];
+		uma_size_gtt = uma_sizes_gtt[(t >> 8) & 0xF];
+	}
+
+	mmio_size = get_mmio_size();
+
+	TOM = info->total_memory_mb;
+	if (TOM == 4096)
+		TOM = 4032;
+	TOUUD = ALIGN_DOWN(TOM - info->memory_reserved_for_heci_mb, 64);
+	TOLUD = ALIGN_DOWN(MIN(4096 - mmio_size + ALIGN_UP(uma_size_igd + uma_size_gtt, 64)
+			      , TOUUD), 64);
+	memory_remap = 0;
+	if (TOUUD - TOLUD > 64) {
+		memory_remap = 1;
+		REMAPbase = MAX(4096, TOUUD);
+		TOUUD = TOUUD - TOLUD + 4096;
+	}
+	if (TOUUD > 4096)
+		memory_map[2] = TOUUD | 1;
+	quickpath_reserved = 0;
+
+	u32 t = pci_read_config32(PCI_DEV(QUICKPATH_BUS, 0, 1), 0x68);
+
+	gav(t);
+
+	if (t & 0x800) {
+		u32 shift = t >> 20;
+		if (shift == 0)
+			die("Quickpath value is 0\n");
+		quickpath_reserved = (u32)1 << find_lowest_bit_set32(shift);
+	}
+
+	if (memory_remap)
+		TOUUD -= quickpath_reserved;
+
+	uma_base_igd = TOLUD - uma_size_igd;
+	uma_base_gtt = uma_base_igd - uma_size_gtt;
+	tseg_base = ALIGN_DOWN(uma_base_gtt, 64) - (CONFIG_SMM_TSEG_SIZE >> 20);
+	if (!memory_remap)
+		tseg_base -= quickpath_reserved;
+	tseg_base = ALIGN_DOWN(tseg_base, 8);
+
+	pci_write_config16(NORTHBRIDGE, D0F0_TOLUD, TOLUD << 4);
+	pci_write_config16(NORTHBRIDGE, D0F0_TOM, TOM >> 6);
+	if (memory_remap) {
+		pci_write_config16(NORTHBRIDGE, D0F0_REMAPBASE, REMAPbase >> 6);
+		pci_write_config16(NORTHBRIDGE, D0F0_REMAPLIMIT, (TOUUD - 64) >> 6);
+	}
+	pci_write_config16(NORTHBRIDGE, D0F0_TOUUD, TOUUD);
+
+	if (info->uma_enabled) {
+		pci_write_config32(NORTHBRIDGE, D0F0_IGD_BASE, uma_base_igd << 20);
+		pci_write_config32(NORTHBRIDGE, D0F0_GTT_BASE, uma_base_gtt << 20);
+	}
+	pci_write_config32(NORTHBRIDGE, TSEG, tseg_base << 20);
+
+	current_limit = 0;
+	memory_map[0] = ALIGN_DOWN(uma_base_gtt, 64) | 1;
+	memory_map[1] = 4096;
+	for (i = 0; i < ARRAY_SIZE(memory_map); i++) {
+		current_limit = MAX(current_limit, memory_map[i] & ~1);
+		pci_write_config32(PCI_DEV(QUICKPATH_BUS, 0, 1), 4 * i + 0x80,
+			       (memory_map[i] & 1) | ALIGN_DOWN(current_limit -
+								1, 64) | 2);
+		pci_write_config32(PCI_DEV(QUICKPATH_BUS, 0, 1), 4 * i + 0xc0, 0);
+	}
+}
+
+static void collect_system_info(struct raminfo *info)
+{
+	u32 capid0[3];
+	int i;
+	unsigned int channel;
+
+	/* Wait for some bit, maybe TXT clear. */
+	while (!(read8((u8 *)0xfed40000) & (1 << 7)))
+		;
+
+	if (!info->heci_bar)
+		gav(info->heci_bar =
+		    pci_read_config32(HECIDEV, HECIBAR) & 0xFFFFFFF8);
+	if (!info->memory_reserved_for_heci_mb) {
+		/* Wait for ME to be ready */
+		intel_early_me_init();
+		info->memory_reserved_for_heci_mb = intel_early_me_uma_size();
+	}
+
+	for (i = 0; i < 3; i++)
+		gav(capid0[i] =
+		    pci_read_config32(NORTHBRIDGE, D0F0_CAPID0 | (i << 2)));
+	gav(info->revision = pci_read_config8(NORTHBRIDGE, PCI_REVISION_ID));
+	info->max_supported_clock_speed_index = (~capid0[1] & 7);
+
+	if ((capid0[1] >> 11) & 1)
+		info->uma_enabled = 0;
+	else
+		gav(info->uma_enabled =
+		    pci_read_config8(NORTHBRIDGE, D0F0_DEVEN) & 8);
+	/* Unrecognised: [0000:fffd3d2d] 37f81.37f82 ! CPUID: eax: 00000001; ecx: 00000e00 => 00020655.00010800.029ae3ff.bfebfbff */
+	info->silicon_revision = 0;
+
+	if (capid0[2] & 2) {
+		info->silicon_revision = 0;
+		info->max_supported_clock_speed_index = 2;
+		for (channel = 0; channel < NUM_CHANNELS; channel++)
+			if (info->populated_ranks[channel][0][0]
+			    && (info->spd[channel][0][MODULE_TYPE] & 0xf) ==
+			    3) {
+				info->silicon_revision = 2;
+				info->max_supported_clock_speed_index = 1;
+			}
+	} else {
+		switch (((capid0[2] >> 18) & 1) + 2 * ((capid0[1] >> 3) & 1)) {
+		case 1:
+		case 2:
+			info->silicon_revision = 3;
+			break;
+		case 3:
+			info->silicon_revision = 0;
+			break;
+		case 0:
+			info->silicon_revision = 2;
+			break;
+		}
+		switch (pci_read_config16(NORTHBRIDGE, PCI_DEVICE_ID)) {
+		case 0x40:
+			info->silicon_revision = 0;
+			break;
+		case 0x48:
+			info->silicon_revision = 1;
+			break;
+		}
+	}
+}
+
+static void write_training_data(struct raminfo *info)
+{
+	int tm, channel, slot, rank, lane;
+	if (info->revision < 8)
+		return;
+
+	for (tm = 0; tm < 4; tm++)
+		for (channel = 0; channel < NUM_CHANNELS; channel++)
+			for (slot = 0; slot < NUM_SLOTS; slot++)
+				for (rank = 0; rank < NUM_RANKS; rank++)
+					for (lane = 0; lane < 9; lane++)
+						write_500(info, channel,
+							  info->
+							  cached_training->
+							  lane_timings[tm]
+							  [channel][slot][rank]
+							  [lane],
+							  get_timing_register_addr
+							  (lane, tm, slot,
+							   rank), 9, 0);
+	write_1d0(info->cached_training->reg_178, 0x178, 7, 1);
+	write_1d0(info->cached_training->reg_10b, 0x10b, 6, 1);
+}
+
+static void dump_timings(struct raminfo *info)
+{
+	int channel, slot, rank, lane, i;
+	printk(RAM_SPEW, "Timings:\n");
+	FOR_POPULATED_RANKS {
+		printk(RAM_SPEW, "channel %d, slot %d, rank %d\n", channel,
+		       slot, rank);
+		for (lane = 0; lane < 9; lane++) {
+			printk(RAM_SPEW, "lane %d: ", lane);
+			for (i = 0; i < 4; i++) {
+				printk(RAM_SPEW, "%x (%x) ",
+				       read_500(info, channel,
+						get_timing_register_addr
+						(lane, i, slot, rank),
+						9),
+				       info->training.
+				       lane_timings[i][channel][slot][rank]
+				       [lane]);
+			}
+			printk(RAM_SPEW, "\n");
+		}
+	}
+	printk(RAM_SPEW, "[178] = %x (%x)\n", read_1d0(0x178, 7),
+	       info->training.reg_178);
+	printk(RAM_SPEW, "[10b] = %x (%x)\n", read_1d0(0x10b, 6),
+	       info->training.reg_10b);
+}
+
+/* Read timings and other registers that need to be restored verbatim and
+   put them to CBMEM.
+ */
+static void save_timings(struct raminfo *info)
+{
+	struct ram_training train;
+	int channel, slot, rank, lane, i;
+
+	train = info->training;
+	FOR_POPULATED_RANKS for (lane = 0; lane < 9; lane++)
+		for (i = 0; i < 4; i++)
+			train.lane_timings[i][channel][slot][rank][lane] =
+			    read_500(info, channel,
+				     get_timing_register_addr(lane, i, slot,
+							      rank), 9);
+	train.reg_178 = read_1d0(0x178, 7);
+	train.reg_10b = read_1d0(0x10b, 6);
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		u32 reg32;
+		reg32 = MCHBAR32((channel << 10) + 0x274);
+		train.reg274265[channel][0] = reg32 >> 16;
+		train.reg274265[channel][1] = reg32 & 0xffff;
+		train.reg274265[channel][2] =
+			MCHBAR16((channel << 10) + 0x265) >> 8;
+	}
+	train.reg2ca9_bit0 = MCHBAR8(0x2ca9) & 1;
+	train.reg_6dc = MCHBAR32(0x6dc);
+	train.reg_6e8 = MCHBAR32(0x6e8);
+
+	printk(RAM_SPEW, "[6dc] = %x\n", train.reg_6dc);
+	printk(RAM_SPEW, "[6e8] = %x\n", train.reg_6e8);
+
+	/* Save the MRC S3 restore data to cbmem */
+	mrc_cache_stash_data(MRC_TRAINING_DATA, MRC_CACHE_VERSION,
+			&train, sizeof(train));
+}
+
+static const struct ram_training *get_cached_training(void)
+{
+	struct region_device rdev;
+	if (mrc_cache_get_current(MRC_TRAINING_DATA, MRC_CACHE_VERSION,
+					&rdev))
+		return 0;
+	return (void *)rdev_mmap_full(&rdev);
+}
+
+/* FIXME: add timeout.  */
+static void wait_heci_ready(void)
+{
+	while (!(read32(DEFAULT_HECIBAR + 0xc) & 8))	// = 0x8000000c
+		;
+	write32((DEFAULT_HECIBAR + 0x4),
+		(read32(DEFAULT_HECIBAR + 0x4) & ~0x10) | 0xc);
+}
+
+/* FIXME: add timeout.  */
+static void wait_heci_cb_avail(int len)
+{
+	union {
+		struct mei_csr csr;
+		u32 raw;
+	} csr;
+
+	while (!(read32(DEFAULT_HECIBAR + 0xc) & 8))
+		;
+
+	do
+		csr.raw = read32(DEFAULT_HECIBAR + 0x4);
+	while (len >
+	       csr.csr.buffer_depth - (csr.csr.buffer_write_ptr -
+				       csr.csr.buffer_read_ptr))
+		;
+}
+
+static void send_heci_packet(struct mei_header *head, u32 *payload)
+{
+	int len = (head->length + 3) / 4;
+	int i;
+
+	wait_heci_cb_avail(len + 1);
+
+	/* FIXME: handle leftovers correctly.  */
+	write32(DEFAULT_HECIBAR + 0, *(u32 *) head);
+	for (i = 0; i < len - 1; i++)
+		write32(DEFAULT_HECIBAR + 0, payload[i]);
+
+	write32(DEFAULT_HECIBAR + 0, payload[i] & ((1 << (8 * len)) - 1));
+	write32(DEFAULT_HECIBAR + 0x4, read32(DEFAULT_HECIBAR + 0x4) | 0x4);
+}
+
+static void
+send_heci_message(u8 *msg, int len, u8 hostaddress, u8 clientaddress)
+{
+	struct mei_header head;
+	int maxlen;
+
+	wait_heci_ready();
+	maxlen = (read32(DEFAULT_HECIBAR + 0x4) >> 24) * 4 - 4;
+
+	while (len) {
+		int cur = len;
+		if (cur > maxlen) {
+			cur = maxlen;
+			head.is_complete = 0;
+		} else
+			head.is_complete = 1;
+		head.length = cur;
+		head.reserved = 0;
+		head.client_address = clientaddress;
+		head.host_address = hostaddress;
+		send_heci_packet(&head, (u32 *) msg);
+		len -= cur;
+		msg += cur;
+	}
+}
+
+/* FIXME: Add timeout.  */
+static int
+recv_heci_packet(struct raminfo *info, struct mei_header *head, u32 *packet,
+		 u32 *packet_size)
+{
+	union {
+		struct mei_csr csr;
+		u32 raw;
+	} csr;
+	int i = 0;
+
+	write32(DEFAULT_HECIBAR + 0x4, read32(DEFAULT_HECIBAR + 0x4) | 2);
+	do {
+		csr.raw = read32(DEFAULT_HECIBAR + 0xc);
+	}
+	while (csr.csr.buffer_write_ptr == csr.csr.buffer_read_ptr)
+		;
+	*(u32 *) head = read32(DEFAULT_HECIBAR + 0x8);
+	if (!head->length) {
+		write32(DEFAULT_HECIBAR + 0x4,
+			read32(DEFAULT_HECIBAR + 0x4) | 2);
+		*packet_size = 0;
+		return 0;
+	}
+	if (head->length + 4 > 4 * csr.csr.buffer_depth
+	    || head->length > *packet_size) {
+		*packet_size = 0;
+		return -1;
+	}
+
+	do
+		csr.raw = read32(DEFAULT_HECIBAR + 0xc);
+	while (((head->length + 3) >> 2) >
+		(csr.csr.buffer_write_ptr - csr.csr.buffer_read_ptr))
+		;
+
+	for (i = 0; i < (head->length + 3) >> 2; i++)
+		packet[i++] = read32(DEFAULT_HECIBAR + 0x8);
+	*packet_size = head->length;
+	if (!csr.csr.ready)
+		*packet_size = 0;
+	write32(DEFAULT_HECIBAR + 0x4, read32(DEFAULT_HECIBAR + 0x4) | 4);
+	return 0;
+}
+
+/* FIXME: Add timeout.  */
+static int
+recv_heci_message(struct raminfo *info, u32 *message, u32 *message_size)
+{
+	struct mei_header head;
+	int current_position;
+
+	current_position = 0;
+	while (1) {
+		u32 current_size;
+		current_size = *message_size - current_position;
+		if (recv_heci_packet
+		    (info, &head, message + (current_position >> 2),
+		     &current_size) == -1)
+			break;
+		if (!current_size)
+			break;
+		current_position += current_size;
+		if (head.is_complete) {
+			*message_size = current_position;
+			return 0;
+		}
+
+		if (current_position >= *message_size)
+			break;
+	}
+	*message_size = 0;
+	return -1;
+}
+
+static void send_heci_uma_message(struct raminfo *info)
+{
+	struct uma_reply {
+		u8 group_id;
+		u8 command;
+		u8 reserved;
+		u8 result;
+		u8 field2;
+		u8 unk3[0x48 - 4 - 1];
+	} __packed reply;
+	struct uma_message {
+		u8 group_id;
+		u8 cmd;
+		u8 reserved;
+		u8 result;
+		u32 c2;
+		u64 heci_uma_addr;
+		u32 memory_reserved_for_heci_mb;
+		u16 c3;
+	} __packed msg = {
+	0, MKHI_SET_UMA, 0, 0,
+		    0x82,
+		    info->heci_uma_addr, info->memory_reserved_for_heci_mb, 0};
+	u32 reply_size;
+
+	send_heci_message((u8 *) & msg, sizeof(msg), 0, 7);
+
+	reply_size = sizeof(reply);
+	if (recv_heci_message(info, (u32 *) & reply, &reply_size) == -1)
+		return;
+
+	if (reply.command != (MKHI_SET_UMA | (1 << 7)))
+		die("HECI init failed\n");
+}
+
+static void setup_heci_uma(struct raminfo *info)
+{
+	u32 reg44;
+
+	reg44 = pci_read_config32(HECIDEV, 0x44);	// = 0x80010020
+	info->memory_reserved_for_heci_mb = 0;
+	info->heci_uma_addr = 0;
+	if (!((reg44 & 0x10000) && !(pci_read_config32(HECIDEV, 0x40) & 0x20)))
+		return;
+
+	info->heci_bar = pci_read_config32(HECIDEV, 0x10) & 0xFFFFFFF0;
+	info->memory_reserved_for_heci_mb = reg44 & 0x3f;
+	info->heci_uma_addr =
+	    ((u64)
+	     ((((u64) pci_read_config16(NORTHBRIDGE, D0F0_TOM)) << 6) -
+	      info->memory_reserved_for_heci_mb)) << 20;
+
+	pci_read_config32(NORTHBRIDGE, DMIBAR);
+	if (info->memory_reserved_for_heci_mb) {
+		write32(DEFAULT_DMIBAR + 0x14,
+			read32(DEFAULT_DMIBAR + 0x14) & ~0x80);
+		write32(DEFAULT_RCBA + 0x14,
+			read32(DEFAULT_RCBA + 0x14) & ~0x80);
+		write32(DEFAULT_DMIBAR + 0x20,
+			read32(DEFAULT_DMIBAR + 0x20) & ~0x80);
+		write32(DEFAULT_RCBA + 0x20,
+			read32(DEFAULT_RCBA + 0x20) & ~0x80);
+		write32(DEFAULT_DMIBAR + 0x2c,
+			read32(DEFAULT_DMIBAR + 0x2c) & ~0x80);
+		write32(DEFAULT_RCBA + 0x30,
+			read32(DEFAULT_RCBA + 0x30) & ~0x80);
+		write32(DEFAULT_DMIBAR + 0x38,
+			read32(DEFAULT_DMIBAR + 0x38) & ~0x80);
+		write32(DEFAULT_RCBA + 0x40,
+			read32(DEFAULT_RCBA + 0x40) & ~0x80);
+
+		write32(DEFAULT_RCBA + 0x40, 0x87000080);	// OK
+		write32(DEFAULT_DMIBAR + 0x38, 0x87000080);	// OK
+		while ((read16(DEFAULT_RCBA + 0x46) & 2) &&
+			read16(DEFAULT_DMIBAR + 0x3e) & 2)
+			;
+	}
+
+	MCHBAR32(0x24) = 0x10000 + info->memory_reserved_for_heci_mb;
+
+	send_heci_uma_message(info);
+
+	pci_write_config32(HECIDEV, 0x10, 0x0);
+	pci_write_config8(HECIDEV, 0x4, 0x0);
+
+}
+
+static int have_match_ranks(struct raminfo *info, int channel, int ranks)
+{
+	int ranks_in_channel;
+	ranks_in_channel = info->populated_ranks[channel][0][0]
+	    + info->populated_ranks[channel][0][1]
+	    + info->populated_ranks[channel][1][0]
+	    + info->populated_ranks[channel][1][1];
+
+	/* empty channel */
+	if (ranks_in_channel == 0)
+		return 1;
+
+	if (ranks_in_channel != ranks)
+		return 0;
+	/* single slot */
+	if (info->populated_ranks[channel][0][0] !=
+	    info->populated_ranks[channel][1][0])
+		return 1;
+	if (info->populated_ranks[channel][0][1] !=
+	    info->populated_ranks[channel][1][1])
+		return 1;
+	if (info->is_x16_module[channel][0] != info->is_x16_module[channel][1])
+		return 0;
+	if (info->density[channel][0] != info->density[channel][1])
+		return 0;
+	return 1;
+}
+
+static void read_4090(struct raminfo *info)
+{
+	int i, channel, slot, rank, lane;
+	for (i = 0; i < 2; i++)
+		for (slot = 0; slot < NUM_SLOTS; slot++)
+			for (rank = 0; rank < NUM_RANKS; rank++)
+				for (lane = 0; lane < 9; lane++)
+					info->training.
+					    lane_timings[0][i][slot][rank][lane]
+					    = 32;
+
+	for (i = 1; i < 4; i++)
+		for (channel = 0; channel < NUM_CHANNELS; channel++)
+			for (slot = 0; slot < NUM_SLOTS; slot++)
+				for (rank = 0; rank < NUM_RANKS; rank++)
+					for (lane = 0; lane < 9; lane++) {
+						info->training.
+						    lane_timings[i][channel]
+						    [slot][rank][lane] =
+						    read_500(info, channel,
+							     get_timing_register_addr
+							     (lane, i, slot,
+							      rank), 9)
+						    + (i == 1) * 11;	// !!!!
+					}
+
+}
+
+static u32 get_etalon2(int flip, u32 addr)
+{
+	const u16 invmask[] = {
+		0xaaaa, 0x6db6, 0x4924, 0xeeee, 0xcccc, 0x8888, 0x7bde, 0x739c,
+		0x6318, 0x4210, 0xefbe, 0xcf3c, 0x8e38, 0x0c30, 0x0820
+	};
+	u32 ret;
+	u32 comp4 = addr / 480;
+	addr %= 480;
+	u32 comp1 = addr & 0xf;
+	u32 comp2 = (addr >> 4) & 1;
+	u32 comp3 = addr >> 5;
+
+	if (comp4)
+		ret = 0x1010101 << (comp4 - 1);
+	else
+		ret = 0;
+	if (flip ^ (((invmask[comp3] >> comp1) ^ comp2) & 1))
+		ret = ~ret;
+
+	return ret;
+}
+
+static void disable_cache_region(void)
+{
+	msr_t msr = {.lo = 0, .hi = 0 };
+
+	wrmsr(MTRR_PHYS_BASE(3), msr);
+	wrmsr(MTRR_PHYS_MASK(3), msr);
+}
+
+static void enable_cache_region(unsigned int base, unsigned int size)
+{
+	msr_t msr;
+	msr.lo = base | MTRR_TYPE_WRPROT;
+	msr.hi = 0;
+	wrmsr(MTRR_PHYS_BASE(3), msr);
+	msr.lo = ((~(ALIGN_DOWN(size + 4096, 4096) - 1) | MTRR_DEF_TYPE_EN)
+		  & 0xffffffff);
+	msr.hi = 0x0000000f;
+	wrmsr(MTRR_PHYS_MASK(3), msr);
+}
+
+static void flush_cache(u32 start, u32 size)
+{
+	u32 end;
+	u32 addr;
+
+	end = start + (ALIGN_DOWN(size + 4096, 4096));
+	for (addr = start; addr < end; addr += 64)
+		clflush((void *)addr);
+}
+
+static void clear_errors(void)
+{
+	pci_write_config8(NORTHBRIDGE, 0xc0, 0x01);
+}
+
+static void write_testing(struct raminfo *info, int totalrank, int flip)
+{
+	int nwrites = 0;
+	/* in 8-byte units.  */
+	u32 offset;
+	u8 *base;
+
+	base = (u8 *)(totalrank << 28);
+	for (offset = 0; offset < 9 * 480; offset += 2) {
+		write32(base + offset * 8, get_etalon2(flip, offset));
+		write32(base + offset * 8 + 4, get_etalon2(flip, offset));
+		write32(base + offset * 8 + 8, get_etalon2(flip, offset + 1));
+		write32(base + offset * 8 + 12, get_etalon2(flip, offset + 1));
+		nwrites += 4;
+		if (nwrites >= 320) {
+			clear_errors();
+			nwrites = 0;
+		}
+	}
+}
+
+static u8 check_testing(struct raminfo *info, u8 total_rank, int flip)
+{
+	u8 failmask = 0;
+	int i;
+	int comp1, comp2, comp3;
+	u32 failxor[2] = { 0, 0 };
+
+	enable_cache_region((total_rank << 28), 1728 * 5 * 4);
+
+	for (comp3 = 0; comp3 < 9 && failmask != 0xff; comp3++) {
+		for (comp1 = 0; comp1 < 4; comp1++)
+			for (comp2 = 0; comp2 < 60; comp2++) {
+				u32 re[4];
+				u32 curroffset =
+				    comp3 * 8 * 60 + 2 * comp1 + 8 * comp2;
+				read128((total_rank << 28) | (curroffset << 3),
+					(u64 *) re);
+				failxor[0] |=
+				    get_etalon2(flip, curroffset) ^ re[0];
+				failxor[1] |=
+				    get_etalon2(flip, curroffset) ^ re[1];
+				failxor[0] |=
+				    get_etalon2(flip, curroffset | 1) ^ re[2];
+				failxor[1] |=
+				    get_etalon2(flip, curroffset | 1) ^ re[3];
+			}
+		for (i = 0; i < 8; i++)
+			if ((0xff << (8 * (i % 4))) & failxor[i / 4])
+				failmask |= 1 << i;
+	}
+	disable_cache_region();
+	flush_cache((total_rank << 28), 1728 * 5 * 4);
+	return failmask;
+}
+
+const u32 seed1[0x18] = {
+	0x3a9d5ab5, 0x576cb65b, 0x555773b6, 0x2ab772ee,
+	0x555556ee, 0x3a9d5ab5, 0x576cb65b, 0x555773b6,
+	0x2ab772ee, 0x555556ee, 0x5155a555, 0x5155a555,
+	0x5155a555, 0x5155a555, 0x3a9d5ab5, 0x576cb65b,
+	0x555773b6, 0x2ab772ee, 0x555556ee, 0x55d6b4a5,
+	0x366d6b3a, 0x2ae5ddbb, 0x3b9ddbb7, 0x55d6b4a5,
+};
+
+static u32 get_seed2(int a, int b)
+{
+	const u32 seed2[5] = {
+		0x55555555, 0x33333333, 0x2e555a55, 0x55555555,
+		0x5b6db6db,
+	};
+	u32 r;
+	r = seed2[(a + (a >= 10)) / 5];
+	return b ? ~r : r;
+}
+
+static int make_shift(int comp2, int comp5, int x)
+{
+	const u8 seed3[32] = {
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x38, 0x1c, 0x3c, 0x18, 0x38, 0x38,
+		0x38, 0x38, 0x38, 0x38, 0x0f, 0x0f, 0x0f, 0x0f,
+		0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
+	};
+
+	return (comp2 - ((seed3[comp5] >> (x & 7)) & 1)) & 0x1f;
+}
+
+static u32 get_etalon(int flip, u32 addr)
+{
+	u32 mask_byte = 0;
+	int comp1 = (addr >> 1) & 1;
+	int comp2 = (addr >> 3) & 0x1f;
+	int comp3 = (addr >> 8) & 0xf;
+	int comp4 = (addr >> 12) & 0xf;
+	int comp5 = (addr >> 16) & 0x1f;
+	u32 mask_bit = ~(0x10001 << comp3);
+	u32 part1;
+	u32 part2;
+	int byte;
+
+	part2 =
+	    ((seed1[comp5] >>
+	      make_shift(comp2, comp5,
+			 (comp3 >> 3) | (comp1 << 2) | 2)) & 1) ^ flip;
+	part1 =
+	    ((seed1[comp5] >>
+	      make_shift(comp2, comp5,
+			 (comp3 >> 3) | (comp1 << 2) | 0)) & 1) ^ flip;
+
+	for (byte = 0; byte < 4; byte++)
+		if ((get_seed2(comp5, comp4) >>
+		     make_shift(comp2, comp5, (byte | (comp1 << 2)))) & 1)
+			mask_byte |= 0xff << (8 * byte);
+
+	return (mask_bit & mask_byte) | (part1 << comp3) | (part2 <<
+							    (comp3 + 16));
+}
+
+static void
+write_testing_type2(struct raminfo *info, u8 totalrank, u8 region, u8 block,
+		    char flip)
+{
+	int i;
+	for (i = 0; i < 2048; i++)
+		write32p((totalrank << 28) | (region << 25) | (block << 16) |
+			 (i << 2), get_etalon(flip, (block << 16) | (i << 2)));
+}
+
+static u8
+check_testing_type2(struct raminfo *info, u8 totalrank, u8 region, u8 block,
+		    char flip)
+{
+	u8 failmask = 0;
+	u32 failxor[2];
+	int i;
+	int comp1, comp2, comp3;
+
+	failxor[0] = 0;
+	failxor[1] = 0;
+
+	enable_cache_region(totalrank << 28, 134217728);
+	for (comp3 = 0; comp3 < 2 && failmask != 0xff; comp3++) {
+		for (comp1 = 0; comp1 < 16; comp1++)
+			for (comp2 = 0; comp2 < 64; comp2++) {
+				u32 addr =
+				    (totalrank << 28) | (region << 25) | (block
+									  << 16)
+				    | (comp3 << 12) | (comp2 << 6) | (comp1 <<
+								      2);
+				failxor[comp1 & 1] |=
+				    read32p(addr) ^ get_etalon(flip, addr);
+			}
+		for (i = 0; i < 8; i++)
+			if ((0xff << (8 * (i % 4))) & failxor[i / 4])
+				failmask |= 1 << i;
+	}
+	disable_cache_region();
+	flush_cache((totalrank << 28) | (region << 25) | (block << 16), 16384);
+	return failmask;
+}
+
+static int check_bounded(unsigned short *vals, u16 bound)
+{
+	int i;
+
+	for (i = 0; i < 8; i++)
+		if (vals[i] < bound)
+			return 0;
+	return 1;
+}
+
+enum state {
+	BEFORE_USABLE = 0, AT_USABLE = 1, AT_MARGIN = 2, COMPLETE = 3
+};
+
+static int validate_state(enum state *in)
+{
+	int i;
+	for (i = 0; i < 8; i++)
+		if (in[i] != COMPLETE)
+			return 0;
+	return 1;
+}
+
+static void
+do_fsm(enum state *state, u16 *counter,
+	u8 fail_mask, int margin, int uplimit,
+	u8 *res_low, u8 *res_high, u8 val)
+{
+	int lane;
+
+	for (lane = 0; lane < 8; lane++) {
+		int is_fail = (fail_mask >> lane) & 1;
+		switch (state[lane]) {
+		case BEFORE_USABLE:
+			if (!is_fail) {
+				counter[lane] = 1;
+				state[lane] = AT_USABLE;
+				break;
+			}
+			counter[lane] = 0;
+			state[lane] = BEFORE_USABLE;
+			break;
+		case AT_USABLE:
+			if (!is_fail) {
+				++counter[lane];
+				if (counter[lane] >= margin) {
+					state[lane] = AT_MARGIN;
+					res_low[lane] = val - margin + 1;
+					break;
+				}
+				state[lane] = 1;
+				break;
+			}
+			counter[lane] = 0;
+			state[lane] = BEFORE_USABLE;
+			break;
+		case AT_MARGIN:
+			if (is_fail) {
+				state[lane] = COMPLETE;
+				res_high[lane] = val - 1;
+			} else {
+				counter[lane]++;
+				state[lane] = AT_MARGIN;
+				if (val == uplimit) {
+					state[lane] = COMPLETE;
+					res_high[lane] = uplimit;
+				}
+			}
+			break;
+		case COMPLETE:
+			break;
+		}
+	}
+}
+
+static void
+train_ram_at_178(struct raminfo *info, u8 channel, int slot, int rank,
+		 u8 total_rank, u8 reg_178, int first_run, int niter,
+		 timing_bounds_t * timings)
+{
+	int lane;
+	enum state state[8];
+	u16 count[8];
+	u8 lower_usable[8];
+	u8 upper_usable[8];
+	unsigned short num_successfully_checked[8];
+	u8 reg1b3;
+	int i;
+
+	for (i = 0; i < 8; i++)
+		state[i] = BEFORE_USABLE;
+
+	if (!first_run) {
+		int is_all_ok = 1;
+		for (lane = 0; lane < 8; lane++)
+			if (timings[reg_178][channel][slot][rank][lane].
+			    smallest ==
+			    timings[reg_178][channel][slot][rank][lane].
+			    largest) {
+				timings[reg_178][channel][slot][rank][lane].
+				    smallest = 0;
+				timings[reg_178][channel][slot][rank][lane].
+				    largest = 0;
+				is_all_ok = 0;
+			}
+		if (is_all_ok) {
+			for (i = 0; i < 8; i++)
+				state[i] = COMPLETE;
+		}
+	}
+
+	for (reg1b3 = 0; reg1b3 < 0x30 && !validate_state(state); reg1b3++) {
+		u8 failmask = 0;
+		write_1d0(reg1b3 ^ 32, 0x1b3, 6, 1);
+		write_1d0(reg1b3 ^ 32, 0x1a3, 6, 1);
+		failmask = check_testing(info, total_rank, 0);
+		MCHBAR32_OR(0xfb0, 0x00030000);
+		do_fsm(state, count, failmask, 5, 47, lower_usable,
+		       upper_usable, reg1b3);
+	}
+
+	if (reg1b3) {
+		write_1d0(0, 0x1b3, 6, 1);
+		write_1d0(0, 0x1a3, 6, 1);
+		for (lane = 0; lane < 8; lane++) {
+			if (state[lane] == COMPLETE) {
+				timings[reg_178][channel][slot][rank][lane].
+				    smallest =
+				    lower_usable[lane] +
+				    (info->training.
+				     lane_timings[0][channel][slot][rank][lane]
+				     & 0x3F) - 32;
+				timings[reg_178][channel][slot][rank][lane].
+				    largest =
+				    upper_usable[lane] +
+				    (info->training.
+				     lane_timings[0][channel][slot][rank][lane]
+				     & 0x3F) - 32;
+			}
+		}
+	}
+
+	if (!first_run) {
+		for (lane = 0; lane < 8; lane++)
+			if (state[lane] == COMPLETE) {
+				write_500(info, channel,
+					  timings[reg_178][channel][slot][rank]
+					  [lane].smallest,
+					  get_timing_register_addr(lane, 0,
+								   slot, rank),
+					  9, 1);
+				write_500(info, channel,
+					  timings[reg_178][channel][slot][rank]
+					  [lane].smallest +
+					  info->training.
+					  lane_timings[1][channel][slot][rank]
+					  [lane]
+					  -
+					  info->training.
+					  lane_timings[0][channel][slot][rank]
+					  [lane], get_timing_register_addr(lane,
+									   1,
+									   slot,
+									   rank),
+					  9, 1);
+				num_successfully_checked[lane] = 0;
+			} else
+				num_successfully_checked[lane] = -1;
+
+		do {
+			u8 failmask = 0;
+			for (i = 0; i < niter; i++) {
+				if (failmask == 0xFF)
+					break;
+				failmask |=
+				    check_testing_type2(info, total_rank, 2, i,
+							0);
+				failmask |=
+				    check_testing_type2(info, total_rank, 3, i,
+							1);
+			}
+			MCHBAR32_OR(0xfb0, 0x00030000);
+			for (lane = 0; lane < 8; lane++)
+				if (num_successfully_checked[lane] != 0xffff) {
+					if ((1 << lane) & failmask) {
+						if (timings[reg_178][channel]
+						    [slot][rank][lane].
+						    largest <=
+						    timings[reg_178][channel]
+						    [slot][rank][lane].smallest)
+							num_successfully_checked
+							    [lane] = -1;
+						else {
+							num_successfully_checked
+							    [lane] = 0;
+							timings[reg_178]
+							    [channel][slot]
+							    [rank][lane].
+							    smallest++;
+							write_500(info, channel,
+								  timings
+								  [reg_178]
+								  [channel]
+								  [slot][rank]
+								  [lane].
+								  smallest,
+								  get_timing_register_addr
+								  (lane, 0,
+								   slot, rank),
+								  9, 1);
+							write_500(info, channel,
+								  timings
+								  [reg_178]
+								  [channel]
+								  [slot][rank]
+								  [lane].
+								  smallest +
+								  info->
+								  training.
+								  lane_timings
+								  [1][channel]
+								  [slot][rank]
+								  [lane]
+								  -
+								  info->
+								  training.
+								  lane_timings
+								  [0][channel]
+								  [slot][rank]
+								  [lane],
+								  get_timing_register_addr
+								  (lane, 1,
+								   slot, rank),
+								  9, 1);
+						}
+					} else
+						num_successfully_checked[lane]
+							++;
+				}
+		}
+		while (!check_bounded(num_successfully_checked, 2))
+			;
+
+		for (lane = 0; lane < 8; lane++)
+			if (state[lane] == COMPLETE) {
+				write_500(info, channel,
+					  timings[reg_178][channel][slot][rank]
+					  [lane].largest,
+					  get_timing_register_addr(lane, 0,
+								   slot, rank),
+					  9, 1);
+				write_500(info, channel,
+					  timings[reg_178][channel][slot][rank]
+					  [lane].largest +
+					  info->training.
+					  lane_timings[1][channel][slot][rank]
+					  [lane]
+					  -
+					  info->training.
+					  lane_timings[0][channel][slot][rank]
+					  [lane], get_timing_register_addr(lane,
+									   1,
+									   slot,
+									   rank),
+					  9, 1);
+				num_successfully_checked[lane] = 0;
+			} else
+				num_successfully_checked[lane] = -1;
+
+		do {
+			int failmask = 0;
+			for (i = 0; i < niter; i++) {
+				if (failmask == 0xFF)
+					break;
+				failmask |=
+				    check_testing_type2(info, total_rank, 2, i,
+							0);
+				failmask |=
+				    check_testing_type2(info, total_rank, 3, i,
+							1);
+			}
+
+			MCHBAR32_OR(0xfb0, 0x00030000);
+			for (lane = 0; lane < 8; lane++) {
+				if (num_successfully_checked[lane] != 0xffff) {
+					if ((1 << lane) & failmask) {
+						if (timings[reg_178][channel]
+						    [slot][rank][lane].
+						    largest <=
+						    timings[reg_178][channel]
+						    [slot][rank][lane].
+						    smallest) {
+							num_successfully_checked
+							    [lane] = -1;
+						} else {
+							num_successfully_checked
+							    [lane] = 0;
+							timings[reg_178]
+							    [channel][slot]
+							    [rank][lane].
+							    largest--;
+							write_500(info, channel,
+								  timings
+								  [reg_178]
+								  [channel]
+								  [slot][rank]
+								  [lane].
+								  largest,
+								  get_timing_register_addr
+								  (lane, 0,
+								   slot, rank),
+								  9, 1);
+							write_500(info, channel,
+								  timings
+								  [reg_178]
+								  [channel]
+								  [slot][rank]
+								  [lane].
+								  largest +
+								  info->
+								  training.
+								  lane_timings
+								  [1][channel]
+								  [slot][rank]
+								  [lane]
+								  -
+								  info->
+								  training.
+								  lane_timings
+								  [0][channel]
+								  [slot][rank]
+								  [lane],
+								  get_timing_register_addr
+								  (lane, 1,
+								   slot, rank),
+								  9, 1);
+						}
+					} else
+						num_successfully_checked[lane]
+							++;
+				}
+			}
+		}
+		while (!check_bounded(num_successfully_checked, 3))
+			;
+
+		for (lane = 0; lane < 8; lane++) {
+			write_500(info, channel,
+				  info->training.
+				  lane_timings[0][channel][slot][rank][lane],
+				  get_timing_register_addr(lane, 0, slot, rank),
+				  9, 1);
+			write_500(info, channel,
+				  info->training.
+				  lane_timings[1][channel][slot][rank][lane],
+				  get_timing_register_addr(lane, 1, slot, rank),
+				  9, 1);
+			if (timings[reg_178][channel][slot][rank][lane].
+			    largest <=
+			    timings[reg_178][channel][slot][rank][lane].
+			    smallest) {
+				timings[reg_178][channel][slot][rank][lane].
+				    largest = 0;
+				timings[reg_178][channel][slot][rank][lane].
+				    smallest = 0;
+			}
+		}
+	}
+}
+
+static void set_10b(struct raminfo *info, u8 val)
+{
+	int channel;
+	int slot, rank;
+	int lane;
+
+	if (read_1d0(0x10b, 6) == val)
+		return;
+
+	write_1d0(val, 0x10b, 6, 1);
+
+	FOR_POPULATED_RANKS_BACKWARDS for (lane = 0; lane < 9; lane++) {
+		u16 reg_500;
+		reg_500 = read_500(info, channel,
+				   get_timing_register_addr(lane, 0, slot,
+							    rank), 9);
+		if (val == 1) {
+			if (lut16[info->clock_speed_index] <= reg_500)
+				reg_500 -= lut16[info->clock_speed_index];
+			else
+				reg_500 = 0;
+		} else {
+			reg_500 += lut16[info->clock_speed_index];
+		}
+		write_500(info, channel, reg_500,
+			  get_timing_register_addr(lane, 0, slot, rank), 9, 1);
+	}
+}
+
+static void set_ecc(int onoff)
+{
+	int channel;
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		u8 t;
+		t = MCHBAR8((channel << 10) + 0x5f8);
+		if (onoff)
+			t |= 1;
+		else
+			t &= ~1;
+		MCHBAR8((channel << 10) + 0x5f8) = t;
+	}
+}
+
+static void set_178(u8 val)
+{
+	if (val >= 31)
+		val = val - 31;
+	else
+		val = 63 - val;
+
+	write_1d0(2 * val, 0x178, 7, 1);
+}
+
+static void
+write_500_timings_type(struct raminfo *info, int channel, int slot, int rank,
+		       int type)
+{
+	int lane;
+
+	for (lane = 0; lane < 8; lane++)
+		write_500(info, channel,
+			  info->training.
+			  lane_timings[type][channel][slot][rank][lane],
+			  get_timing_register_addr(lane, type, slot, rank), 9,
+			  0);
+}
+
+static void
+try_timing_offsets(struct raminfo *info, int channel,
+		   int slot, int rank, int totalrank)
+{
+	u16 count[8];
+	enum state state[8];
+	u8 lower_usable[8], upper_usable[8];
+	int lane;
+	int i;
+	int flip = 1;
+	int timing_offset;
+
+	for (i = 0; i < 8; i++)
+		state[i] = BEFORE_USABLE;
+
+	memset(count, 0, sizeof(count));
+
+	for (lane = 0; lane < 8; lane++)
+		write_500(info, channel,
+			  info->training.
+			  lane_timings[2][channel][slot][rank][lane] + 32,
+			  get_timing_register_addr(lane, 3, slot, rank), 9, 1);
+
+	for (timing_offset = 0; !validate_state(state) && timing_offset < 64;
+	     timing_offset++) {
+		u8 failmask;
+		write_1d0(timing_offset ^ 32, 0x1bb, 6, 1);
+		failmask = 0;
+		for (i = 0; i < 2 && failmask != 0xff; i++) {
+			flip = !flip;
+			write_testing(info, totalrank, flip);
+			failmask |= check_testing(info, totalrank, flip);
+		}
+		do_fsm(state, count, failmask, 10, 63, lower_usable,
+		       upper_usable, timing_offset);
+	}
+	write_1d0(0, 0x1bb, 6, 1);
+	dump_timings(info);
+	if (!validate_state(state))
+		die("Couldn't discover DRAM timings (1)\n");
+
+	for (lane = 0; lane < 8; lane++) {
+		u8 bias = 0;
+
+		if (info->silicon_revision) {
+			int usable_length;
+
+			usable_length = upper_usable[lane] - lower_usable[lane];
+			if (usable_length >= 20) {
+				bias = usable_length / 2 - 10;
+				if (bias >= 2)
+					bias = 2;
+			}
+		}
+		write_500(info, channel,
+			  info->training.
+			  lane_timings[2][channel][slot][rank][lane] +
+			  (upper_usable[lane] + lower_usable[lane]) / 2 - bias,
+			  get_timing_register_addr(lane, 3, slot, rank), 9, 1);
+		info->training.timing2_bounds[channel][slot][rank][lane][0] =
+		    info->training.lane_timings[2][channel][slot][rank][lane] +
+		    lower_usable[lane];
+		info->training.timing2_bounds[channel][slot][rank][lane][1] =
+		    info->training.lane_timings[2][channel][slot][rank][lane] +
+		    upper_usable[lane];
+		info->training.timing2_offset[channel][slot][rank][lane] =
+		    info->training.lane_timings[2][channel][slot][rank][lane];
+	}
+}
+
+static u8
+choose_training(struct raminfo *info, int channel, int slot, int rank,
+		int lane, timing_bounds_t * timings, u8 center_178)
+{
+	u16 central_weight;
+	u16 side_weight;
+	unsigned int sum = 0, count = 0;
+	u8 span;
+	u8 lower_margin, upper_margin;
+	u8 reg_178;
+	u8 result;
+
+	span = 12;
+	central_weight = 20;
+	side_weight = 20;
+	if (info->silicon_revision == 1 && channel == 1) {
+		central_weight = 5;
+		side_weight = 20;
+		if ((info->
+		     populated_ranks_mask[1] ^ (info->
+						populated_ranks_mask[1] >> 2)) &
+		    1)
+			span = 18;
+	}
+	if ((info->populated_ranks_mask[0] & 5) == 5) {
+		central_weight = 20;
+		side_weight = 20;
+	}
+	if (info->clock_speed_index >= 2
+	    && (info->populated_ranks_mask[0] & 5) == 5 && slot == 1) {
+		if (info->silicon_revision == 1) {
+			switch (channel) {
+			case 0:
+				if (lane == 1) {
+					central_weight = 10;
+					side_weight = 20;
+				}
+				break;
+			case 1:
+				if (lane == 6) {
+					side_weight = 5;
+					central_weight = 20;
+				}
+				break;
+			}
+		}
+		if (info->silicon_revision == 0 && channel == 0 && lane == 0) {
+			side_weight = 5;
+			central_weight = 20;
+		}
+	}
+	for (reg_178 = center_178 - span; reg_178 <= center_178 + span;
+	     reg_178 += span) {
+		u8 smallest;
+		u8 largest;
+		largest = timings[reg_178][channel][slot][rank][lane].largest;
+		smallest = timings[reg_178][channel][slot][rank][lane].smallest;
+		if (largest - smallest + 1 >= 5) {
+			unsigned int weight;
+			if (reg_178 == center_178)
+				weight = central_weight;
+			else
+				weight = side_weight;
+			sum += weight * (largest + smallest);
+			count += weight;
+		}
+	}
+	dump_timings(info);
+	if (count == 0)
+		die("Couldn't discover DRAM timings (2)\n");
+	result = sum / (2 * count);
+	lower_margin =
+	    result - timings[center_178][channel][slot][rank][lane].smallest;
+	upper_margin =
+	    timings[center_178][channel][slot][rank][lane].largest - result;
+	if (upper_margin < 10 && lower_margin > 10)
+		result -= MIN(lower_margin - 10, 10 - upper_margin);
+	if (upper_margin > 10 && lower_margin < 10)
+		result += MIN(upper_margin - 10, 10 - lower_margin);
+	return result;
+}
+
+#define STANDARD_MIN_MARGIN 5
+
+static u8 choose_reg178(struct raminfo *info, timing_bounds_t * timings)
+{
+	u16 margin[64];
+	int lane, rank, slot, channel;
+	u8 reg178;
+	int count = 0, sum = 0;
+
+	for (reg178 = reg178_min[info->clock_speed_index];
+	     reg178 < reg178_max[info->clock_speed_index];
+	     reg178 += reg178_step[info->clock_speed_index]) {
+		margin[reg178] = -1;
+		FOR_POPULATED_RANKS_BACKWARDS for (lane = 0; lane < 8; lane++) {
+			int curmargin =
+			    timings[reg178][channel][slot][rank][lane].largest -
+			    timings[reg178][channel][slot][rank][lane].
+			    smallest + 1;
+			if (curmargin < margin[reg178])
+				margin[reg178] = curmargin;
+		}
+		if (margin[reg178] >= STANDARD_MIN_MARGIN) {
+			u16 weight;
+			weight = margin[reg178] - STANDARD_MIN_MARGIN;
+			sum += weight * reg178;
+			count += weight;
+		}
+	}
+	dump_timings(info);
+	if (count == 0)
+		die("Couldn't discover DRAM timings (3)\n");
+
+	u8 threshold;
+
+	for (threshold = 30; threshold >= 5; threshold--) {
+		int usable_length = 0;
+		int smallest_fount = 0;
+		for (reg178 = reg178_min[info->clock_speed_index];
+		     reg178 < reg178_max[info->clock_speed_index];
+		     reg178 += reg178_step[info->clock_speed_index])
+			if (margin[reg178] >= threshold) {
+				usable_length +=
+				    reg178_step[info->clock_speed_index];
+				info->training.reg178_largest =
+				    reg178 -
+				    2 * reg178_step[info->clock_speed_index];
+
+				if (!smallest_fount) {
+					smallest_fount = 1;
+					info->training.reg178_smallest =
+					    reg178 +
+					    reg178_step[info->
+							clock_speed_index];
+				}
+			}
+		if (usable_length >= 0x21)
+			break;
+	}
+
+	return sum / count;
+}
+
+static int check_cached_sanity(struct raminfo *info)
+{
+	int lane;
+	int slot, rank;
+	int channel;
+
+	if (!info->cached_training)
+		return 0;
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++)
+		for (slot = 0; slot < NUM_SLOTS; slot++)
+			for (rank = 0; rank < NUM_RANKS; rank++)
+				for (lane = 0; lane < 8 + info->use_ecc; lane++) {
+					u16 cached_value, estimation_value;
+					cached_value =
+					    info->cached_training->
+					    lane_timings[1][channel][slot][rank]
+					    [lane];
+					if (cached_value >= 0x18
+					    && cached_value <= 0x1E7) {
+						estimation_value =
+						    info->training.
+						    lane_timings[1][channel]
+						    [slot][rank][lane];
+						if (estimation_value <
+						    cached_value - 24)
+							return 0;
+						if (estimation_value >
+						    cached_value + 24)
+							return 0;
+					}
+				}
+	return 1;
+}
+
+static int try_cached_training(struct raminfo *info)
+{
+	u8 saved_243[2];
+	u8 tm;
+
+	int channel, slot, rank, lane;
+	int flip = 1;
+	int i, j;
+
+	if (!check_cached_sanity(info))
+		return 0;
+
+	info->training.reg178_center = info->cached_training->reg178_center;
+	info->training.reg178_smallest = info->cached_training->reg178_smallest;
+	info->training.reg178_largest = info->cached_training->reg178_largest;
+	memcpy(&info->training.timing_bounds,
+	       &info->cached_training->timing_bounds,
+	       sizeof(info->training.timing_bounds));
+	memcpy(&info->training.timing_offset,
+	       &info->cached_training->timing_offset,
+	       sizeof(info->training.timing_offset));
+
+	write_1d0(2, 0x142, 3, 1);
+	saved_243[0] = MCHBAR8(0x243);
+	saved_243[1] = MCHBAR8(0x643);
+	MCHBAR8(0x243) = saved_243[0] | 2;
+	MCHBAR8(0x643) = saved_243[1] | 2;
+	set_ecc(0);
+	pci_write_config16(NORTHBRIDGE, 0xc8, 3);
+	if (read_1d0(0x10b, 6) & 1)
+		set_10b(info, 0);
+	for (tm = 0; tm < 2; tm++) {
+		int totalrank;
+
+		set_178(tm ? info->cached_training->reg178_largest : info->
+			cached_training->reg178_smallest);
+
+		totalrank = 0;
+		/* Check timing ranges. With i == 0 we check smallest one and with
+		   i == 1 the largest bound. With j == 0 we check that on the bound
+		   it still works whereas with j == 1 we check that just outside of
+		   bound we fail.
+		 */
+		FOR_POPULATED_RANKS_BACKWARDS {
+			for (i = 0; i < 2; i++) {
+				for (lane = 0; lane < 8; lane++) {
+					write_500(info, channel,
+						  info->cached_training->
+						  timing2_bounds[channel][slot]
+						  [rank][lane][i],
+						  get_timing_register_addr(lane,
+									   3,
+									   slot,
+									   rank),
+						  9, 1);
+
+					if (!i)
+						write_500(info, channel,
+							  info->
+							  cached_training->
+							  timing2_offset
+							  [channel][slot][rank]
+							  [lane],
+							  get_timing_register_addr
+							  (lane, 2, slot, rank),
+							  9, 1);
+					write_500(info, channel,
+						  i ? info->cached_training->
+						  timing_bounds[tm][channel]
+						  [slot][rank][lane].
+						  largest : info->
+						  cached_training->
+						  timing_bounds[tm][channel]
+						  [slot][rank][lane].smallest,
+						  get_timing_register_addr(lane,
+									   0,
+									   slot,
+									   rank),
+						  9, 1);
+					write_500(info, channel,
+						  info->cached_training->
+						  timing_offset[channel][slot]
+						  [rank][lane] +
+						  (i ? info->cached_training->
+						   timing_bounds[tm][channel]
+						   [slot][rank][lane].
+						   largest : info->
+						   cached_training->
+						   timing_bounds[tm][channel]
+						   [slot][rank][lane].
+						   smallest) - 64,
+						  get_timing_register_addr(lane,
+									   1,
+									   slot,
+									   rank),
+						  9, 1);
+				}
+				for (j = 0; j < 2; j++) {
+					u8 failmask;
+					u8 expected_failmask;
+					char reg1b3;
+
+					reg1b3 = (j == 1) + 4;
+					reg1b3 =
+					    j == i ? reg1b3 : (-reg1b3) & 0x3f;
+					write_1d0(reg1b3, 0x1bb, 6, 1);
+					write_1d0(reg1b3, 0x1b3, 6, 1);
+					write_1d0(reg1b3, 0x1a3, 6, 1);
+
+					flip = !flip;
+					write_testing(info, totalrank, flip);
+					failmask =
+					    check_testing(info, totalrank,
+							  flip);
+					expected_failmask =
+					    j == 0 ? 0x00 : 0xff;
+					if (failmask != expected_failmask)
+						goto fail;
+				}
+			}
+			totalrank++;
+		}
+	}
+
+	set_178(info->cached_training->reg178_center);
+	if (info->use_ecc)
+		set_ecc(1);
+	write_training_data(info);
+	write_1d0(0, 322, 3, 1);
+	info->training = *info->cached_training;
+
+	write_1d0(0, 0x1bb, 6, 1);
+	write_1d0(0, 0x1b3, 6, 1);
+	write_1d0(0, 0x1a3, 6, 1);
+	MCHBAR8(0x243) = saved_243[0];
+	MCHBAR8(0x643) = saved_243[1];
+
+	return 1;
+
+fail:
+	FOR_POPULATED_RANKS {
+		write_500_timings_type(info, channel, slot, rank, 1);
+		write_500_timings_type(info, channel, slot, rank, 2);
+		write_500_timings_type(info, channel, slot, rank, 3);
+	}
+
+	write_1d0(0, 0x1bb, 6, 1);
+	write_1d0(0, 0x1b3, 6, 1);
+	write_1d0(0, 0x1a3, 6, 1);
+	MCHBAR8(0x243) = saved_243[0];
+	MCHBAR8(0x643) = saved_243[1];
+
+	return 0;
+}
+
+static void do_ram_training(struct raminfo *info)
+{
+	u8 saved_243[2];
+	int totalrank = 0;
+	u8 reg_178;
+	int niter;
+
+	timing_bounds_t *timings = timings_car;
+	int lane, rank, slot, channel;
+	u8 reg178_center;
+
+	write_1d0(2, 0x142, 3, 1);
+	saved_243[0] = MCHBAR8(0x243);
+	saved_243[1] = MCHBAR8(0x643);
+	MCHBAR8(0x243) = saved_243[0] | 2;
+	MCHBAR8(0x643) = saved_243[1] | 2;
+	switch (info->clock_speed_index) {
+	case 0:
+		niter = 5;
+		break;
+	case 1:
+		niter = 10;
+		break;
+	default:
+		niter = 19;
+		break;
+	}
+	set_ecc(0);
+
+	FOR_POPULATED_RANKS_BACKWARDS {
+		int i;
+
+		write_500_timings_type(info, channel, slot, rank, 0);
+
+		write_testing(info, totalrank, 0);
+		for (i = 0; i < niter; i++) {
+			write_testing_type2(info, totalrank, 2, i, 0);
+			write_testing_type2(info, totalrank, 3, i, 1);
+		}
+		pci_write_config8(NORTHBRIDGE, 0xc0, 0x01);
+		totalrank++;
+	}
+
+	if (reg178_min[info->clock_speed_index] <
+	    reg178_max[info->clock_speed_index])
+		memset(timings[reg178_min[info->clock_speed_index]], 0,
+		       sizeof(timings[0]) *
+		       (reg178_max[info->clock_speed_index] -
+			reg178_min[info->clock_speed_index]));
+	for (reg_178 = reg178_min[info->clock_speed_index];
+	     reg_178 < reg178_max[info->clock_speed_index];
+	     reg_178 += reg178_step[info->clock_speed_index]) {
+		totalrank = 0;
+		set_178(reg_178);
+		for (channel = NUM_CHANNELS - 1; channel >= 0; channel--)
+			for (slot = 0; slot < NUM_SLOTS; slot++)
+				for (rank = 0; rank < NUM_RANKS; rank++) {
+					memset(&timings[reg_178][channel][slot]
+					       [rank][0].smallest, 0, 16);
+					if (info->
+					    populated_ranks[channel][slot]
+					    [rank]) {
+						train_ram_at_178(info, channel,
+								 slot, rank,
+								 totalrank,
+								 reg_178, 1,
+								 niter,
+								 timings);
+						totalrank++;
+					}
+				}
+	}
+
+	reg178_center = choose_reg178(info, timings);
+
+	FOR_POPULATED_RANKS_BACKWARDS for (lane = 0; lane < 8; lane++) {
+		info->training.timing_bounds[0][channel][slot][rank][lane].
+		    smallest =
+		    timings[info->training.
+			    reg178_smallest][channel][slot][rank][lane].
+		    smallest;
+		info->training.timing_bounds[0][channel][slot][rank][lane].
+		    largest =
+		    timings[info->training.
+			    reg178_smallest][channel][slot][rank][lane].largest;
+		info->training.timing_bounds[1][channel][slot][rank][lane].
+		    smallest =
+		    timings[info->training.
+			    reg178_largest][channel][slot][rank][lane].smallest;
+		info->training.timing_bounds[1][channel][slot][rank][lane].
+		    largest =
+		    timings[info->training.
+			    reg178_largest][channel][slot][rank][lane].largest;
+		info->training.timing_offset[channel][slot][rank][lane] =
+		    info->training.lane_timings[1][channel][slot][rank][lane]
+		    -
+		    info->training.lane_timings[0][channel][slot][rank][lane] +
+		    64;
+	}
+
+	if (info->silicon_revision == 1
+	    && (info->
+		populated_ranks_mask[1] ^ (info->
+					   populated_ranks_mask[1] >> 2)) & 1) {
+		int ranks_after_channel1;
+
+		totalrank = 0;
+		for (reg_178 = reg178_center - 18;
+		     reg_178 <= reg178_center + 18; reg_178 += 18) {
+			totalrank = 0;
+			set_178(reg_178);
+			for (slot = 0; slot < NUM_SLOTS; slot++)
+				for (rank = 0; rank < NUM_RANKS; rank++) {
+					if (info->
+					    populated_ranks[1][slot][rank]) {
+						train_ram_at_178(info, 1, slot,
+								 rank,
+								 totalrank,
+								 reg_178, 0,
+								 niter,
+								 timings);
+						totalrank++;
+					}
+				}
+		}
+		ranks_after_channel1 = totalrank;
+
+		for (reg_178 = reg178_center - 12;
+		     reg_178 <= reg178_center + 12; reg_178 += 12) {
+			totalrank = ranks_after_channel1;
+			set_178(reg_178);
+			for (slot = 0; slot < NUM_SLOTS; slot++)
+				for (rank = 0; rank < NUM_RANKS; rank++)
+					if (info->
+					    populated_ranks[0][slot][rank]) {
+						train_ram_at_178(info, 0, slot,
+								 rank,
+								 totalrank,
+								 reg_178, 0,
+								 niter,
+								 timings);
+						totalrank++;
+					}
+
+		}
+	} else {
+		for (reg_178 = reg178_center - 12;
+		     reg_178 <= reg178_center + 12; reg_178 += 12) {
+			totalrank = 0;
+			set_178(reg_178);
+			FOR_POPULATED_RANKS_BACKWARDS {
+				train_ram_at_178(info, channel, slot, rank,
+						 totalrank, reg_178, 0, niter,
+						 timings);
+				totalrank++;
+			}
+		}
+	}
+
+	set_178(reg178_center);
+	FOR_POPULATED_RANKS_BACKWARDS for (lane = 0; lane < 8; lane++) {
+		u16 tm0;
+
+		tm0 =
+		    choose_training(info, channel, slot, rank, lane, timings,
+				    reg178_center);
+		write_500(info, channel, tm0,
+			  get_timing_register_addr(lane, 0, slot, rank), 9, 1);
+		write_500(info, channel,
+			  tm0 +
+			  info->training.
+			  lane_timings[1][channel][slot][rank][lane] -
+			  info->training.
+			  lane_timings[0][channel][slot][rank][lane],
+			  get_timing_register_addr(lane, 1, slot, rank), 9, 1);
+	}
+
+	totalrank = 0;
+	FOR_POPULATED_RANKS_BACKWARDS {
+		try_timing_offsets(info, channel, slot, rank, totalrank);
+		totalrank++;
+	}
+	MCHBAR8(0x243) = saved_243[0];
+	MCHBAR8(0x643) = saved_243[1];
+	write_1d0(0, 0x142, 3, 1);
+	info->training.reg178_center = reg178_center;
+}
+
+static void ram_training(struct raminfo *info)
+{
+	u16 saved_fc4;
+
+	saved_fc4 = MCHBAR16(0xfc4);
+	MCHBAR16(0xfc4) = 0xffff;
+
+	if (info->revision >= 8)
+		read_4090(info);
+
+	if (!try_cached_training(info))
+		do_ram_training(info);
+	if ((info->silicon_revision == 2 || info->silicon_revision == 3)
+	    && info->clock_speed_index < 2)
+		set_10b(info, 1);
+	MCHBAR16(0xfc4) = saved_fc4;
+}
+
+static unsigned int gcd(unsigned int a, unsigned int b)
+{
+	unsigned int t;
+	if (a > b) {
+		t = a;
+		a = b;
+		b = t;
+	}
+	/* invariant a < b.  */
+	while (a) {
+		t = b % a;
+		b = a;
+		a = t;
+	}
+	return b;
+}
+
+static inline int div_roundup(int a, int b)
+{
+	return DIV_ROUND_UP(a, b);
+}
+
+static unsigned int lcm(unsigned int a, unsigned int b)
+{
+	return (a * b) / gcd(a, b);
+}
+
+struct stru1 {
+	u8 freqs_reversed;
+	u8 freq_diff_reduced;
+	u8 freq_min_reduced;
+	u8 divisor_f4_to_fmax;
+	u8 divisor_f3_to_fmax;
+	u8 freq4_to_max_remainder;
+	u8 freq3_to_2_remainder;
+	u8 freq3_to_2_remaindera;
+	u8 freq4_to_2_remainder;
+	int divisor_f3_to_f1, divisor_f4_to_f2;
+	int common_time_unit_ps;
+	int freq_max_reduced;
+};
+
+static void
+compute_frequence_ratios(struct raminfo *info, u16 freq1, u16 freq2,
+			 int num_cycles_2, int num_cycles_1, int round_it,
+			 int add_freqs, struct stru1 *result)
+{
+	int g;
+	int common_time_unit_ps;
+	int freq1_reduced, freq2_reduced;
+	int freq_min_reduced;
+	int freq_max_reduced;
+	int freq3, freq4;
+
+	g = gcd(freq1, freq2);
+	freq1_reduced = freq1 / g;
+	freq2_reduced = freq2 / g;
+	freq_min_reduced = MIN(freq1_reduced, freq2_reduced);
+	freq_max_reduced = MAX(freq1_reduced, freq2_reduced);
+
+	common_time_unit_ps = div_roundup(900000, lcm(freq1, freq2));
+	freq3 = div_roundup(num_cycles_2, common_time_unit_ps) - 1;
+	freq4 = div_roundup(num_cycles_1, common_time_unit_ps) - 1;
+	if (add_freqs) {
+		freq3 += freq2_reduced;
+		freq4 += freq1_reduced;
+	}
+
+	if (round_it) {
+		result->freq3_to_2_remainder = 0;
+		result->freq3_to_2_remaindera = 0;
+		result->freq4_to_max_remainder = 0;
+		result->divisor_f4_to_f2 = 0;
+		result->divisor_f3_to_f1 = 0;
+	} else {
+		if (freq2_reduced < freq1_reduced) {
+			result->freq3_to_2_remainder =
+			    result->freq3_to_2_remaindera =
+			    freq3 % freq1_reduced - freq1_reduced + 1;
+			result->freq4_to_max_remainder =
+			    -(freq4 % freq1_reduced);
+			result->divisor_f3_to_f1 = freq3 / freq1_reduced;
+			result->divisor_f4_to_f2 =
+			    (freq4 -
+			     (freq1_reduced - freq2_reduced)) / freq2_reduced;
+			result->freq4_to_2_remainder =
+			    -(char)((freq1_reduced - freq2_reduced) +
+				    ((u8) freq4 -
+				     (freq1_reduced -
+				      freq2_reduced)) % (u8) freq2_reduced);
+		} else {
+			if (freq2_reduced > freq1_reduced) {
+				result->freq4_to_max_remainder =
+				    (freq4 % freq2_reduced) - freq2_reduced + 1;
+				result->freq4_to_2_remainder =
+				    freq4 % freq_max_reduced -
+				    freq_max_reduced + 1;
+			} else {
+				result->freq4_to_max_remainder =
+				    -(freq4 % freq2_reduced);
+				result->freq4_to_2_remainder =
+				    -(char)(freq4 % freq_max_reduced);
+			}
+			result->divisor_f4_to_f2 = freq4 / freq2_reduced;
+			result->divisor_f3_to_f1 =
+			    (freq3 -
+			     (freq2_reduced - freq1_reduced)) / freq1_reduced;
+			result->freq3_to_2_remainder = -(freq3 % freq2_reduced);
+			result->freq3_to_2_remaindera =
+			    -(char)((freq_max_reduced - freq_min_reduced) +
+				    (freq3 -
+				     (freq_max_reduced -
+				      freq_min_reduced)) % freq1_reduced);
+		}
+	}
+	result->divisor_f3_to_fmax = freq3 / freq_max_reduced;
+	result->divisor_f4_to_fmax = freq4 / freq_max_reduced;
+	if (round_it) {
+		if (freq2_reduced > freq1_reduced) {
+			if (freq3 % freq_max_reduced)
+				result->divisor_f3_to_fmax++;
+		}
+		if (freq2_reduced < freq1_reduced) {
+			if (freq4 % freq_max_reduced)
+				result->divisor_f4_to_fmax++;
+		}
+	}
+	result->freqs_reversed = (freq2_reduced < freq1_reduced);
+	result->freq_diff_reduced = freq_max_reduced - freq_min_reduced;
+	result->freq_min_reduced = freq_min_reduced;
+	result->common_time_unit_ps = common_time_unit_ps;
+	result->freq_max_reduced = freq_max_reduced;
+}
+
+static void
+set_2d5x_reg(struct raminfo *info, u16 reg, u16 freq1, u16 freq2,
+	     int num_cycles_2, int num_cycles_1, int num_cycles_3,
+	     int num_cycles_4, int reverse)
+{
+	struct stru1 vv;
+	char multiplier;
+
+	compute_frequence_ratios(info, freq1, freq2, num_cycles_2, num_cycles_1,
+				 0, 1, &vv);
+
+	multiplier =
+	    div_roundup(MAX
+			(div_roundup(num_cycles_2, vv.common_time_unit_ps) +
+			 div_roundup(num_cycles_3, vv.common_time_unit_ps),
+			 div_roundup(num_cycles_1,
+				     vv.common_time_unit_ps) +
+			 div_roundup(num_cycles_4, vv.common_time_unit_ps))
+			+ vv.freq_min_reduced - 1, vv.freq_max_reduced) - 1;
+
+	u32 y =
+	    (u8) ((vv.freq_max_reduced - vv.freq_min_reduced) +
+		  vv.freq_max_reduced * multiplier)
+	    | (vv.
+	       freqs_reversed << 8) | ((u8) (vv.freq_min_reduced *
+					     multiplier) << 16) | ((u8) (vv.
+									 freq_min_reduced
+									 *
+									 multiplier)
+								   << 24);
+	u32 x =
+	    vv.freq3_to_2_remaindera | (vv.freq4_to_2_remainder << 8) | (vv.
+									 divisor_f3_to_f1
+									 << 16)
+	    | (vv.divisor_f4_to_f2 << 20) | (vv.freq_min_reduced << 24);
+	if (reverse) {
+		MCHBAR32(reg) = y;
+		MCHBAR32(reg + 4) = x;
+	} else {
+		MCHBAR32(reg + 4) = y;
+		MCHBAR32(reg) = x;
+	}
+}
+
+static void
+set_6d_reg(struct raminfo *info, u16 reg, u16 freq1, u16 freq2,
+	   int num_cycles_1, int num_cycles_2, int num_cycles_3,
+	   int num_cycles_4)
+{
+	struct stru1 ratios1;
+	struct stru1 ratios2;
+
+	compute_frequence_ratios(info, freq1, freq2, num_cycles_1, num_cycles_2,
+				 0, 1, &ratios2);
+	compute_frequence_ratios(info, freq1, freq2, num_cycles_3, num_cycles_4,
+				 0, 1, &ratios1);
+	printk(RAM_SPEW, "[%x] <= %x\n", reg,
+		       ratios1.freq4_to_max_remainder | (ratios2.
+							 freq4_to_max_remainder
+							 << 8)
+		       | (ratios1.divisor_f4_to_fmax << 16) | (ratios2.
+							       divisor_f4_to_fmax
+							       << 20));
+	MCHBAR32(reg) = ratios1.freq4_to_max_remainder |
+		(ratios2.freq4_to_max_remainder << 8) |
+		(ratios1.divisor_f4_to_fmax << 16) |
+		(ratios2.divisor_f4_to_fmax << 20);
+}
+
+static void
+set_2dx8_reg(struct raminfo *info, u16 reg, u8 mode, u16 freq1, u16 freq2,
+	     int num_cycles_2, int num_cycles_1, int round_it, int add_freqs)
+{
+	struct stru1 ratios;
+
+	compute_frequence_ratios(info, freq1, freq2, num_cycles_2, num_cycles_1,
+				 round_it, add_freqs, &ratios);
+	switch (mode) {
+	case 0:
+		MCHBAR32(reg + 4) = ratios.freq_diff_reduced |
+			(ratios.freqs_reversed << 8);
+		MCHBAR32(reg) = ratios.freq3_to_2_remainder |
+			(ratios.freq4_to_max_remainder << 8) |
+			(ratios.divisor_f3_to_fmax << 16) |
+			(ratios.divisor_f4_to_fmax << 20) |
+			(ratios.freq_min_reduced << 24);
+		break;
+
+	case 1:
+		MCHBAR32(reg) = ratios.freq3_to_2_remainder |
+			(ratios.divisor_f3_to_fmax << 16);
+		break;
+
+	case 2:
+		MCHBAR32(reg) = ratios.freq3_to_2_remainder |
+			(ratios.freq4_to_max_remainder << 8) |
+			(ratios.divisor_f3_to_fmax << 16) |
+			(ratios.divisor_f4_to_fmax << 20);
+		break;
+
+	case 4:
+		MCHBAR32(reg) = (ratios.divisor_f3_to_fmax << 4) |
+			(ratios.divisor_f4_to_fmax << 8) |
+			(ratios.freqs_reversed << 12) |
+			(ratios.freq_min_reduced << 16) |
+			(ratios.freq_diff_reduced << 24);
+		break;
+	}
+}
+
+static void set_2dxx_series(struct raminfo *info, int s3resume)
+{
+	set_2dx8_reg(info, 0x2d00, 0, 0x78, frequency_11(info) / 2, 1359, 1005,
+		     0, 1);
+	set_2dx8_reg(info, 0x2d08, 0, 0x78, 0x78, 3273, 5033, 1, 1);
+	set_2dx8_reg(info, 0x2d10, 0, 0x78, info->fsb_frequency, 1475, 1131, 0,
+		     1);
+	set_2dx8_reg(info, 0x2d18, 0, 2 * info->fsb_frequency,
+		     frequency_11(info), 1231, 1524, 0, 1);
+	set_2dx8_reg(info, 0x2d20, 0, 2 * info->fsb_frequency,
+		     frequency_11(info) / 2, 1278, 2008, 0, 1);
+	set_2dx8_reg(info, 0x2d28, 0, info->fsb_frequency, frequency_11(info),
+		     1167, 1539, 0, 1);
+	set_2dx8_reg(info, 0x2d30, 0, info->fsb_frequency,
+		     frequency_11(info) / 2, 1403, 1318, 0, 1);
+	set_2dx8_reg(info, 0x2d38, 0, info->fsb_frequency, 0x78, 3460, 5363, 1,
+		     1);
+	set_2dx8_reg(info, 0x2d40, 0, info->fsb_frequency, 0x3c, 2792, 5178, 1,
+		     1);
+	set_2dx8_reg(info, 0x2d48, 0, 2 * info->fsb_frequency, 0x78, 2738, 4610,
+		     1, 1);
+	set_2dx8_reg(info, 0x2d50, 0, info->fsb_frequency, 0x78, 2819, 5932, 1,
+		     1);
+	set_2dx8_reg(info, 0x6d4, 1, info->fsb_frequency,
+		     frequency_11(info) / 2, 4000, 0, 0, 0);
+	set_2dx8_reg(info, 0x6d8, 2, info->fsb_frequency,
+		     frequency_11(info) / 2, 4000, 4000, 0, 0);
+
+	if (s3resume) {
+		printk(RAM_SPEW, "[6dc] <= %x\n",
+			info->cached_training->reg_6dc);
+		MCHBAR32(0x6dc) = info->cached_training->reg_6dc;
+	} else
+		set_6d_reg(info, 0x6dc, 2 * info->fsb_frequency, frequency_11(info), 0,
+			   info->delay46_ps[0], 0,
+			   info->delay54_ps[0]);
+	set_2dx8_reg(info, 0x6e0, 1, 2 * info->fsb_frequency,
+		     frequency_11(info), 2500, 0, 0, 0);
+	set_2dx8_reg(info, 0x6e4, 1, 2 * info->fsb_frequency,
+		     frequency_11(info) / 2, 3500, 0, 0, 0);
+	if (s3resume) {
+		printk(RAM_SPEW, "[6e8] <= %x\n",
+			info->cached_training->reg_6e8);
+		MCHBAR32(0x6e8) = info->cached_training->reg_6e8;
+	} else
+		set_6d_reg(info, 0x6e8, 2 * info->fsb_frequency, frequency_11(info), 0,
+			   info->delay46_ps[1], 0,
+			   info->delay54_ps[1]);
+	set_2d5x_reg(info, 0x2d58, 0x78, 0x78, 864, 1195, 762, 786, 0);
+	set_2d5x_reg(info, 0x2d60, 0x195, info->fsb_frequency, 1352, 725, 455,
+		     470, 0);
+	set_2d5x_reg(info, 0x2d68, 0x195, 0x3c, 2707, 5632, 3277, 2207, 0);
+	set_2d5x_reg(info, 0x2d70, 0x195, frequency_11(info) / 2, 1276, 758,
+		     454, 459, 0);
+	set_2d5x_reg(info, 0x2d78, 0x195, 0x78, 1021, 799, 510, 513, 0);
+	set_2d5x_reg(info, 0x2d80, info->fsb_frequency, 0xe1, 0, 2862, 2579,
+		     2588, 0);
+	set_2d5x_reg(info, 0x2d88, info->fsb_frequency, 0xe1, 0, 2690, 2405,
+		     2405, 0);
+	set_2d5x_reg(info, 0x2da0, 0x78, 0xe1, 0, 2560, 2264, 2251, 0);
+	set_2d5x_reg(info, 0x2da8, 0x195, frequency_11(info), 1060, 775, 484,
+		     480, 0);
+	set_2d5x_reg(info, 0x2db0, 0x195, 0x78, 4183, 6023, 2217, 2048, 0);
+	MCHBAR32(0x2dbc) = ((frequency_11(info) / 2) - 1) | 0xe00000;
+	MCHBAR32(0x2db8) = ((info->fsb_frequency - 1) << 16) | 0x77;
+}
+
+static u16 get_max_timing(struct raminfo *info, int channel)
+{
+	int slot, rank, lane;
+	u16 ret = 0;
+
+	if ((MCHBAR8(0x2ca8) >> 2) < 1)
+		return 384;
+
+	if (info->revision < 8)
+		return 256;
+
+	for (slot = 0; slot < NUM_SLOTS; slot++)
+		for (rank = 0; rank < NUM_RANKS; rank++)
+			if (info->populated_ranks[channel][slot][rank])
+				for (lane = 0; lane < 8 + info->use_ecc; lane++)
+					ret = MAX(ret, read_500(info, channel,
+								get_timing_register_addr
+								(lane, 0, slot,
+								 rank), 9));
+	return ret;
+}
+
+static void set_274265(struct raminfo *info)
+{
+	int delay_a_ps, delay_b_ps, delay_c_ps, delay_d_ps;
+	int delay_e_ps, delay_e_cycles, delay_f_cycles;
+	int delay_e_over_cycle_ps;
+	int cycletime_ps;
+	int channel;
+
+	delay_a_ps = 4 * halfcycle_ps(info) + 6 * fsbcycle_ps(info);
+	info->training.reg2ca9_bit0 = 0;
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		cycletime_ps =
+		    900000 / lcm(2 * info->fsb_frequency, frequency_11(info));
+		delay_d_ps =
+		    (halfcycle_ps(info) * get_max_timing(info, channel) >> 6)
+		    - info->some_delay_3_ps_rounded + 200;
+		if (!
+		    ((info->silicon_revision == 0
+		      || info->silicon_revision == 1)
+		     && (info->revision >= 8)))
+			delay_d_ps += halfcycle_ps(info) * 2;
+		delay_d_ps +=
+		    halfcycle_ps(info) * (!info->revision_flag_1 +
+					  info->some_delay_2_halfcycles_ceil +
+					  2 * info->some_delay_1_cycle_floor +
+					  info->clock_speed_index +
+					  2 * info->cas_latency - 7 + 11);
+		delay_d_ps += info->revision >= 8 ? 2758 : 4428;
+
+		MCHBAR32_AND_OR(0x140, 0xfaffffff, 0x2000000);
+		MCHBAR32_AND_OR(0x138, 0xfaffffff, 0x2000000);
+		if ((MCHBAR8(0x144) & 0x1f) > 0x13)
+			delay_d_ps += 650;
+		delay_c_ps = delay_d_ps + 1800;
+		if (delay_c_ps <= delay_a_ps)
+			delay_e_ps = 0;
+		else
+			delay_e_ps =
+			    cycletime_ps * div_roundup(delay_c_ps - delay_a_ps,
+						       cycletime_ps);
+
+		delay_e_over_cycle_ps = delay_e_ps % (2 * halfcycle_ps(info));
+		delay_e_cycles = delay_e_ps / (2 * halfcycle_ps(info));
+		delay_f_cycles =
+		    div_roundup(2500 - delay_e_over_cycle_ps,
+				2 * halfcycle_ps(info));
+		if (delay_f_cycles > delay_e_cycles) {
+			info->delay46_ps[channel] = delay_e_ps;
+			delay_e_cycles = 0;
+		} else {
+			info->delay46_ps[channel] =
+			    delay_e_over_cycle_ps +
+			    2 * halfcycle_ps(info) * delay_f_cycles;
+			delay_e_cycles -= delay_f_cycles;
+		}
+
+		if (info->delay46_ps[channel] < 2500) {
+			info->delay46_ps[channel] = 2500;
+			info->training.reg2ca9_bit0 = 1;
+		}
+		delay_b_ps = halfcycle_ps(info) + delay_c_ps;
+		if (delay_b_ps <= delay_a_ps)
+			delay_b_ps = 0;
+		else
+			delay_b_ps -= delay_a_ps;
+		info->delay54_ps[channel] =
+		    cycletime_ps * div_roundup(delay_b_ps,
+					       cycletime_ps) -
+		    2 * halfcycle_ps(info) * delay_e_cycles;
+		if (info->delay54_ps[channel] < 2500)
+			info->delay54_ps[channel] = 2500;
+		info->training.reg274265[channel][0] = delay_e_cycles;
+		if (delay_d_ps + 7 * halfcycle_ps(info) <=
+		    24 * halfcycle_ps(info))
+			info->training.reg274265[channel][1] = 0;
+		else
+			info->training.reg274265[channel][1] =
+				div_roundup(delay_d_ps + 7 * halfcycle_ps(info),
+				4 * halfcycle_ps(info)) - 6;
+		MCHBAR32((channel << 10) + 0x274) =
+			info->training.reg274265[channel][1] |
+			(info->training.reg274265[channel][0] << 16);
+		info->training.reg274265[channel][2] =
+			div_roundup(delay_c_ps + 3 * fsbcycle_ps(info),
+			4 * halfcycle_ps(info)) + 1;
+		MCHBAR16((channel << 10) + 0x265) =
+			info->training.reg274265[channel][2] << 8;
+	}
+	if (info->training.reg2ca9_bit0)
+		MCHBAR8_OR(0x2ca9, 1);
+	else
+		MCHBAR8_AND(0x2ca9, ~1);
+}
+
+static void restore_274265(struct raminfo *info)
+{
+	int channel;
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		MCHBAR32((channel << 10) + 0x274) =
+			(info->cached_training->reg274265[channel][0] << 16) |
+			info->cached_training->reg274265[channel][1];
+		MCHBAR16((channel << 10) + 0x265) =
+			info->cached_training->reg274265[channel][2] << 8;
+	}
+	if (info->cached_training->reg2ca9_bit0)
+		MCHBAR8_OR(0x2ca9, 1);
+	else
+		MCHBAR8_AND(0x2ca9, ~1);
+}
+
+static void dmi_setup(void)
+{
+	gav(read8(DEFAULT_DMIBAR + 0x254));
+	write8(DEFAULT_DMIBAR + 0x254, 0x1);
+	write16(DEFAULT_DMIBAR + 0x1b8, 0x18f2);
+	MCHBAR16_AND_OR(0x48, 0, 0x2);
+
+	write32(DEFAULT_DMIBAR + 0xd68, read32(DEFAULT_DMIBAR + 0xd68) | 0x08000000);
+
+	outl((gav(inl(DEFAULT_GPIOBASE | 0x38)) & ~0x140000) | 0x400000,
+	     DEFAULT_GPIOBASE | 0x38);
+	gav(inb(DEFAULT_GPIOBASE | 0xe));	// = 0xfdcaff6e
+}
+
+void chipset_init(const int s3resume)
+{
+	u8 x2ca8;
+	u16 ggc;
+	u8 gfxsize;
+
+	x2ca8 = MCHBAR8(0x2ca8);
+	if ((x2ca8 & 1) || (x2ca8 == 8 && !s3resume)) {
+		printk(BIOS_DEBUG, "soft reset detected, rebooting properly\n");
+		MCHBAR8(0x2ca8) = 0;
+		system_reset();
+	}
+#if 0
+	if (!s3resume) {
+		pre_raminit_3(x2ca8);
+	}
+	pre_raminit_4a(x2ca8);
+#endif
+
+	dmi_setup();
+
+	MCHBAR16(0x1170) = 0xa880;
+	MCHBAR8(0x11c1) = 0x1;
+	MCHBAR16(0x1170) = 0xb880;
+	MCHBAR8_AND_OR(0x1210, 0, 0x84);
+
+	if (get_option(&gfxsize, "gfx_uma_size") != CB_SUCCESS) {
+		/* 0 for 32MB */
+		gfxsize = 0;
+	}
+
+	ggc = 0xb00 | ((gfxsize + 5) << 4);
+
+	pci_write_config16(NORTHBRIDGE, D0F0_GGC, ggc | 2);
+
+	u16 deven;
+	deven = pci_read_config16(NORTHBRIDGE, D0F0_DEVEN);	// = 0x3
+
+	if (deven & 8) {
+		MCHBAR8(0x2c30) = 0x20;
+		pci_read_config8(NORTHBRIDGE, 0x8);	// = 0x18
+		MCHBAR16_OR(0x2c30, 0x200);
+		MCHBAR16(0x2c32) = 0x434;
+		MCHBAR32_AND_OR(0x2c44, 0, 0x1053687);
+		pci_read_config8(GMA, 0x62);	// = 0x2
+		pci_write_config8(GMA, 0x62, 0x2);
+		read8(DEFAULT_RCBA + 0x2318);
+		write8(DEFAULT_RCBA + 0x2318, 0x47);
+		read8(DEFAULT_RCBA + 0x2320);
+		write8(DEFAULT_RCBA + 0x2320, 0xfc);
+	}
+
+	MCHBAR32_AND_OR(0x30, 0, 0x40);
+
+	pci_write_config16(NORTHBRIDGE, D0F0_GGC, ggc);
+	gav(read32(DEFAULT_RCBA + 0x3428));
+	write32(DEFAULT_RCBA + 0x3428, 0x1d);
+}
+
+void raminit(const int s3resume, const u8 *spd_addrmap)
+{
+	unsigned int channel, slot, lane, rank;
+	int i;
+	struct raminfo info;
+	u8 x2ca8;
+	u16 deven;
+	int cbmem_wasnot_inited;
+
+	x2ca8 = MCHBAR8(0x2ca8);
+
+	printk(RAM_DEBUG, "Scratchpad MCHBAR8(0x2ca8): 0x%04x\n", x2ca8);
+
+	deven = pci_read_config16(NORTHBRIDGE, D0F0_DEVEN);
+
+	memset(&info, 0x5a, sizeof(info));
+
+	info.last_500_command[0] = 0;
+	info.last_500_command[1] = 0;
+
+	info.fsb_frequency = 135 * 2;
+	info.board_lane_delay[0] = 0x14;
+	info.board_lane_delay[1] = 0x07;
+	info.board_lane_delay[2] = 0x07;
+	info.board_lane_delay[3] = 0x08;
+	info.board_lane_delay[4] = 0x56;
+	info.board_lane_delay[5] = 0x04;
+	info.board_lane_delay[6] = 0x04;
+	info.board_lane_delay[7] = 0x05;
+	info.board_lane_delay[8] = 0x10;
+
+	info.training.reg_178 = 0;
+	info.training.reg_10b = 0;
+
+	info.heci_bar = 0;
+	info.memory_reserved_for_heci_mb = 0;
+
+	/* before SPD */
+	timestamp_add_now(101);
+
+	if (!s3resume || 1) {	// possible error
+		pci_read_config8(SOUTHBRIDGE, GEN_PMCON_2);	// = 0x80
+
+		collect_system_info(&info);
+
+		memset(&info.populated_ranks, 0, sizeof(info.populated_ranks));
+
+		info.use_ecc = 1;
+		for (channel = 0; channel < NUM_CHANNELS; channel++)
+			for (slot = 0; slot < NUM_SLOTS; slot++) {
+				int v;
+				int try;
+				int addr;
+				const u8 useful_addresses[] = {
+					DEVICE_TYPE,
+					MODULE_TYPE,
+					DENSITY,
+					RANKS_AND_DQ,
+					MEMORY_BUS_WIDTH,
+					TIMEBASE_DIVIDEND,
+					TIMEBASE_DIVISOR,
+					CYCLETIME,
+					CAS_LATENCIES_LSB,
+					CAS_LATENCIES_MSB,
+					CAS_LATENCY_TIME,
+					0x11, 0x12, 0x13, 0x14, 0x15,
+					0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
+					    0x1c, 0x1d,
+					THERMAL_AND_REFRESH,
+					0x20,
+					REFERENCE_RAW_CARD_USED,
+					RANK1_ADDRESS_MAPPING,
+					0x75, 0x76, 0x77, 0x78,
+					0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e,
+					    0x7f, 0x80, 0x81, 0x82, 0x83, 0x84,
+					    0x85, 0x86, 0x87, 0x88,
+					0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e,
+					    0x8f, 0x90, 0x91, 0x92, 0x93, 0x94,
+					    0x95
+				};
+				if (!spd_addrmap[2 * channel + slot])
+					continue;
+				for (try = 0; try < 5; try++) {
+					v = smbus_read_byte(spd_addrmap[2 * channel + slot],
+							    DEVICE_TYPE);
+					if (v >= 0)
+						break;
+				}
+				if (v < 0)
+					continue;
+				for (addr = 0;
+				     addr <
+				     sizeof(useful_addresses) /
+				     sizeof(useful_addresses[0]); addr++)
+					gav(info.
+					    spd[channel][0][useful_addresses
+							    [addr]] =
+					    smbus_read_byte(spd_addrmap[2 * channel + slot],
+							    useful_addresses
+							    [addr]));
+				if (info.spd[channel][0][DEVICE_TYPE] != 11)
+					die("Only DDR3 is supported");
+
+				v = info.spd[channel][0][RANKS_AND_DQ];
+				info.populated_ranks[channel][0][0] = 1;
+				info.populated_ranks[channel][0][1] =
+				    ((v >> 3) & 7);
+				if (((v >> 3) & 7) > 1)
+					die("At most 2 ranks are supported");
+				if ((v & 7) == 0 || (v & 7) > 2)
+					die("Only x8 and x16 modules are supported");
+				if ((info.
+				     spd[channel][slot][MODULE_TYPE] & 0xF) != 2
+				    && (info.
+					spd[channel][slot][MODULE_TYPE] & 0xF)
+				    != 3)
+					die("Registered memory is not supported");
+				info.is_x16_module[channel][0] = (v & 7) - 1;
+				info.density[channel][slot] =
+				    info.spd[channel][slot][DENSITY] & 0xF;
+				if (!
+				    (info.
+				     spd[channel][slot][MEMORY_BUS_WIDTH] &
+				     0x18))
+					info.use_ecc = 0;
+			}
+
+		gav(0x55);
+
+		for (channel = 0; channel < NUM_CHANNELS; channel++) {
+			int v = 0;
+			for (slot = 0; slot < NUM_SLOTS; slot++)
+				for (rank = 0; rank < NUM_RANKS; rank++)
+					v |= info.
+					    populated_ranks[channel][slot][rank]
+					    << (2 * slot + rank);
+			info.populated_ranks_mask[channel] = v;
+		}
+
+		gav(0x55);
+
+		gav(pci_read_config32(NORTHBRIDGE, D0F0_CAPID0 + 4));
+	}
+
+	/* after SPD  */
+	timestamp_add_now(102);
+
+	MCHBAR8_AND(0x2ca8, 0xfc);
+
+	collect_system_info(&info);
+	calculate_timings(&info);
+
+#if 0
+	pci_write_config8(NORTHBRIDGE, 0xdf, 0x82);
+#endif
+
+	if (!s3resume) {
+		u8 reg8 = pci_read_config8(SOUTHBRIDGE, GEN_PMCON_2);
+		if (x2ca8 == 0 && (reg8 & 0x80)) {
+			/* Don't enable S4-assertion stretch. Makes trouble on roda/rk9.
+			   reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa4);
+			   pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa4, reg8 | 0x08);
+			 */
+
+			/* Clear bit7. */
+
+			pci_write_config8(SOUTHBRIDGE, GEN_PMCON_2,
+				   (reg8 & ~(1 << 7)));
+
+			printk(BIOS_INFO,
+			       "Interrupted RAM init, reset required.\n");
+			system_reset();
+		}
+	}
+
+	if (!s3resume && x2ca8 == 0)
+		pci_write_config8(SOUTHBRIDGE, GEN_PMCON_2,
+			      pci_read_config8(SOUTHBRIDGE, GEN_PMCON_2) | 0x80);
+
+	compute_derived_timings(&info);
+
+	if (x2ca8 == 0) {
+		gav(MCHBAR8(0x164));
+		MCHBAR8(0x164) = 0x26;
+		MCHBAR16(0x2c20) = 0x10;
+	}
+
+	MCHBAR32_OR(0x18b4, 0x210000);
+	MCHBAR32_OR(0x1890, 0x2000000);
+	MCHBAR32_OR(0x18b4, 0x8000);
+
+	gav(pci_read_config32(PCI_DEV(0xff, 2, 1), 0x50));	// !!!!
+	pci_write_config8(PCI_DEV(0xff, 2, 1), 0x54, 0x12);
+
+	gav(MCHBAR16(0x2c10));
+	MCHBAR16(0x2c10) = 0x412;
+	gav(MCHBAR16(0x2c10));
+	MCHBAR16_OR(0x2c12, 0x100);
+
+	gav(MCHBAR8(0x2ca8));	// !!!!
+	MCHBAR32_AND_OR(0x1804, 0xfffffffc, 0x8400080);
+
+	pci_read_config32(PCI_DEV(0xff, 2, 1), 0x6c);	// !!!!
+	pci_write_config32(PCI_DEV(0xff, 2, 1), 0x6c, 0x40a0a0);
+	gav(MCHBAR32(0x1c04));	// !!!!
+	gav(MCHBAR32(0x1804));	// !!!!
+
+	if (x2ca8 == 0) {
+		MCHBAR8_OR(0x2ca8, 1);
+	}
+
+	MCHBAR32(0x18d8) = 0x120000;
+	MCHBAR32(0x18dc) = 0x30a484a;
+	pci_write_config32(PCI_DEV(0xff, 2, 1), 0xe0, 0x0);
+	pci_write_config32(PCI_DEV(0xff, 2, 1), 0xf4, 0x9444a);
+	MCHBAR32(0x18d8) = 0x40000;
+	MCHBAR32(0x18dc) = 0xb000000;
+	pci_write_config32(PCI_DEV(0xff, 2, 1), 0xe0, 0x60000);
+	pci_write_config32(PCI_DEV(0xff, 2, 1), 0xf4, 0x0);
+	MCHBAR32(0x18d8) = 0x180000;
+	MCHBAR32(0x18dc) = 0xc0000142;
+	pci_write_config32(PCI_DEV(0xff, 2, 1), 0xe0, 0x20000);
+	pci_write_config32(PCI_DEV(0xff, 2, 1), 0xf4, 0x142);
+	MCHBAR32(0x18d8) = 0x1e0000;
+
+	gav(MCHBAR32(0x18dc));	// !!!!
+	MCHBAR32(0x18dc) = 0x3;
+	gav(MCHBAR32(0x18dc));	// !!!!
+
+	if (x2ca8 == 0) {
+		MCHBAR8_OR(0x2ca8, 1);	// guess
+	}
+
+	MCHBAR32(0x188c) = 0x20bc09;
+	pci_write_config32(PCI_DEV(0xff, 2, 1), 0xd0, 0x40b0c09);
+	MCHBAR32(0x1a10) = 0x4200010e;
+	MCHBAR32_OR(0x18b8, 0x200);
+	gav(MCHBAR32(0x1918));	// !!!!
+	MCHBAR32(0x1918) = 0x332;
+
+	gav(MCHBAR32(0x18b8));	// !!!!
+	MCHBAR32(0x18b8) = 0xe00;
+	gav(MCHBAR32(0x182c));	// !!!!
+	MCHBAR32(0x182c) = 0x10202;
+	gav(pci_read_config32(PCI_DEV(0xff, 2, 1), 0x94));	// !!!!
+	pci_write_config32(PCI_DEV(0xff, 2, 1), 0x94, 0x10202);
+	MCHBAR32_AND(0x1a1c, 0x8fffffff);
+	MCHBAR32_OR(0x1a70, 0x100000);
+
+	MCHBAR32_AND(0x18b4, 0xffff7fff);
+	gav(MCHBAR32(0x1a68));	// !!!!
+	MCHBAR32(0x1a68) = 0x343800;
+	gav(MCHBAR32(0x1e68));	// !!!!
+	gav(MCHBAR32(0x1a68));	// !!!!
+
+	if (x2ca8 == 0) {
+		MCHBAR8_OR(0x2ca8, 1);	// guess
+	}
+
+	pci_read_config32(PCI_DEV(0xff, 2, 0), 0x048);	// !!!!
+	pci_write_config32(PCI_DEV(0xff, 2, 0), 0x048, 0x140000);
+	pci_read_config32(PCI_DEV(0xff, 2, 0), 0x058);	// !!!!
+	pci_write_config32(PCI_DEV(0xff, 2, 0), 0x058, 0x64555);
+	pci_read_config32(PCI_DEV(0xff, 2, 0), 0x058);	// !!!!
+	pci_read_config32(PCI_DEV (0xff, 0, 0), 0xd0);	// !!!!
+	pci_write_config32(PCI_DEV (0xff, 0, 0), 0xd0, 0x180);
+	gav(MCHBAR32(0x1af0));	// !!!!
+	gav(MCHBAR32(0x1af0));	// !!!!
+	MCHBAR32(0x1af0) = 0x1f020003;
+	gav(MCHBAR32(0x1af0));	// !!!!
+
+	if (x2ca8 == 0) {
+		MCHBAR8_OR(0x2ca8, 1);	// guess
+	}
+
+	gav(MCHBAR32(0x1890));	// !!!!
+	MCHBAR32(0x1890) = 0x80102;
+	gav(MCHBAR32(0x18b4));	// !!!!
+	MCHBAR32(0x18b4) = 0x216000;
+	MCHBAR32(0x18a4) = 0x22222222;
+	MCHBAR32(0x18a8) = 0x22222222;
+	MCHBAR32(0x18ac) = 0x22222;
+
+	udelay(1000);
+
+	info.cached_training = get_cached_training();
+
+	if (x2ca8 == 0) {
+		int j;
+		if (s3resume && info.cached_training) {
+			restore_274265(&info);
+			printk(RAM_SPEW, "reg2ca9_bit0 = %x\n",
+			       info.cached_training->reg2ca9_bit0);
+			for (i = 0; i < 2; i++)
+				for (j = 0; j < 3; j++)
+					printk(RAM_SPEW, "reg274265[%d][%d] = %x\n",
+					       i, j, info.cached_training->reg274265[i][j]);
+		} else {
+			set_274265(&info);
+			printk(RAM_SPEW, "reg2ca9_bit0 = %x\n",
+			       info.training.reg2ca9_bit0);
+			for (i = 0; i < 2; i++)
+				for (j = 0; j < 3; j++)
+					printk(RAM_SPEW, "reg274265[%d][%d] = %x\n",
+					       i, j, info.training.reg274265[i][j]);
+		}
+
+		set_2dxx_series(&info, s3resume);
+
+		if (!(deven & 8)) {
+			MCHBAR32_AND_OR(0x2cb0, 0, 0x40);
+		}
+
+		udelay(1000);
+
+		if (deven & 8) {
+			MCHBAR32_OR(0xff8, 0x1800);
+			MCHBAR32_AND(0x2cb0, 0x00);
+			pci_read_config8(PCI_DEV (0, 0x2, 0x0), 0x4c);
+			pci_read_config8(PCI_DEV (0, 0x2, 0x0), 0x4c);
+			pci_read_config8(PCI_DEV (0, 0x2, 0x0), 0x4e);
+
+			MCHBAR8(0x1150);
+			MCHBAR8(0x1151);
+			MCHBAR8(0x1022);
+			MCHBAR8(0x16d0);
+			MCHBAR32(0x1300) = 0x60606060;
+			MCHBAR32(0x1304) = 0x60606060;
+			MCHBAR32(0x1308) = 0x78797a7b;
+			MCHBAR32(0x130c) = 0x7c7d7e7f;
+			MCHBAR32(0x1310) = 0x60606060;
+			MCHBAR32(0x1314) = 0x60606060;
+			MCHBAR32(0x1318) = 0x60606060;
+			MCHBAR32(0x131c) = 0x60606060;
+			MCHBAR32(0x1320) = 0x50515253;
+			MCHBAR32(0x1324) = 0x54555657;
+			MCHBAR32(0x1328) = 0x58595a5b;
+			MCHBAR32(0x132c) = 0x5c5d5e5f;
+			MCHBAR32(0x1330) = 0x40414243;
+			MCHBAR32(0x1334) = 0x44454647;
+			MCHBAR32(0x1338) = 0x48494a4b;
+			MCHBAR32(0x133c) = 0x4c4d4e4f;
+			MCHBAR32(0x1340) = 0x30313233;
+			MCHBAR32(0x1344) = 0x34353637;
+			MCHBAR32(0x1348) = 0x38393a3b;
+			MCHBAR32(0x134c) = 0x3c3d3e3f;
+			MCHBAR32(0x1350) = 0x20212223;
+			MCHBAR32(0x1354) = 0x24252627;
+			MCHBAR32(0x1358) = 0x28292a2b;
+			MCHBAR32(0x135c) = 0x2c2d2e2f;
+			MCHBAR32(0x1360) = 0x10111213;
+			MCHBAR32(0x1364) = 0x14151617;
+			MCHBAR32(0x1368) = 0x18191a1b;
+			MCHBAR32(0x136c) = 0x1c1d1e1f;
+			MCHBAR32(0x1370) = 0x10203;
+			MCHBAR32(0x1374) = 0x4050607;
+			MCHBAR32(0x1378) = 0x8090a0b;
+			MCHBAR32(0x137c) = 0xc0d0e0f;
+			MCHBAR8(0x11cc) = 0x4e;
+			MCHBAR32(0x1110) = 0x73970404;
+			MCHBAR32(0x1114) = 0x72960404;
+			MCHBAR32(0x1118) = 0x6f950404;
+			MCHBAR32(0x111c) = 0x6d940404;
+			MCHBAR32(0x1120) = 0x6a930404;
+			MCHBAR32(0x1124) = 0x68a41404;
+			MCHBAR32(0x1128) = 0x66a21404;
+			MCHBAR32(0x112c) = 0x63a01404;
+			MCHBAR32(0x1130) = 0x609e1404;
+			MCHBAR32(0x1134) = 0x5f9c1404;
+			MCHBAR32(0x1138) = 0x5c961404;
+			MCHBAR32(0x113c) = 0x58a02404;
+			MCHBAR32(0x1140) = 0x54942404;
+			MCHBAR32(0x1190) = 0x900080a;
+			MCHBAR16(0x11c0) = 0xc40b;
+			MCHBAR16(0x11c2) = 0x303;
+			MCHBAR16(0x11c4) = 0x301;
+			MCHBAR32_AND_OR(0x1190, 0, 0x8900080a);
+			MCHBAR32(0x11b8) = 0x70c3000;
+			MCHBAR8(0x11ec) = 0xa;
+			MCHBAR16(0x1100) = 0x800;
+			MCHBAR32_AND_OR(0x11bc, 0, 0x1e84800);
+			MCHBAR16(0x11ca) = 0xfa;
+			MCHBAR32(0x11e4) = 0x4e20;
+			MCHBAR8(0x11bc) = 0xf;
+			MCHBAR16(0x11da) = 0x19;
+			MCHBAR16(0x11ba) = 0x470c;
+			MCHBAR32(0x1680) = 0xe6ffe4ff;
+			MCHBAR32(0x1684) = 0xdeffdaff;
+			MCHBAR32(0x1688) = 0xd4ffd0ff;
+			MCHBAR32(0x168c) = 0xccffc6ff;
+			MCHBAR32(0x1690) = 0xc0ffbeff;
+			MCHBAR32(0x1694) = 0xb8ffb0ff;
+			MCHBAR32(0x1698) = 0xa8ff0000;
+			MCHBAR32(0x169c) = 0xc00;
+			MCHBAR32(0x1290) = 0x5000000;
+		}
+
+		MCHBAR32(0x124c) = 0x15040d00;
+		MCHBAR32(0x1250) = 0x7f0000;
+		MCHBAR32(0x1254) = 0x1e220004;
+		MCHBAR32(0x1258) = 0x4000004;
+		MCHBAR32(0x1278) = 0x0;
+		MCHBAR32(0x125c) = 0x0;
+		MCHBAR32(0x1260) = 0x0;
+		MCHBAR32(0x1264) = 0x0;
+		MCHBAR32(0x1268) = 0x0;
+		MCHBAR32(0x126c) = 0x0;
+		MCHBAR32(0x1270) = 0x0;
+		MCHBAR32(0x1274) = 0x0;
+	}
+
+	if ((deven & 8) && x2ca8 == 0) {
+		MCHBAR16(0x1214) = 0x320;
+		MCHBAR32(0x1600) = 0x40000000;
+		MCHBAR32_AND_OR(0x11f4, 0, 0x10000000);
+		MCHBAR16_AND_OR(0x1230, 0, 0x8000);
+		MCHBAR32(0x1400) = 0x13040020;
+		MCHBAR32(0x1404) = 0xe090120;
+		MCHBAR32(0x1408) = 0x5120220;
+		MCHBAR32(0x140c) = 0x5120330;
+		MCHBAR32(0x1410) = 0xe090220;
+		MCHBAR32(0x1414) = 0x1010001;
+		MCHBAR32(0x1418) = 0x1110000;
+		MCHBAR32(0x141c) = 0x9020020;
+		MCHBAR32(0x1420) = 0xd090220;
+		MCHBAR32(0x1424) = 0x2090220;
+		MCHBAR32(0x1428) = 0x2090330;
+		MCHBAR32(0x142c) = 0xd090220;
+		MCHBAR32(0x1430) = 0x1010001;
+		MCHBAR32(0x1434) = 0x1110000;
+		MCHBAR32(0x1438) = 0x11040020;
+		MCHBAR32(0x143c) = 0x4030220;
+		MCHBAR32(0x1440) = 0x1060220;
+		MCHBAR32(0x1444) = 0x1060330;
+		MCHBAR32(0x1448) = 0x4030220;
+		MCHBAR32(0x144c) = 0x1010001;
+		MCHBAR32(0x1450) = 0x1110000;
+		MCHBAR32(0x1454) = 0x4010020;
+		MCHBAR32(0x1458) = 0xb090220;
+		MCHBAR32(0x145c) = 0x1090220;
+		MCHBAR32(0x1460) = 0x1090330;
+		MCHBAR32(0x1464) = 0xb090220;
+		MCHBAR32(0x1468) = 0x1010001;
+		MCHBAR32(0x146c) = 0x1110000;
+		MCHBAR32(0x1470) = 0xf040020;
+		MCHBAR32(0x1474) = 0xa090220;
+		MCHBAR32(0x1478) = 0x1120220;
+		MCHBAR32(0x147c) = 0x1120330;
+		MCHBAR32(0x1480) = 0xa090220;
+		MCHBAR32(0x1484) = 0x1010001;
+		MCHBAR32(0x1488) = 0x1110000;
+		MCHBAR32(0x148c) = 0x7020020;
+		MCHBAR32(0x1490) = 0x1010220;
+		MCHBAR32(0x1494) = 0x10210;
+		MCHBAR32(0x1498) = 0x10320;
+		MCHBAR32(0x149c) = 0x1010220;
+		MCHBAR32(0x14a0) = 0x1010001;
+		MCHBAR32(0x14a4) = 0x1110000;
+		MCHBAR32(0x14a8) = 0xd040020;
+		MCHBAR32(0x14ac) = 0x8090220;
+		MCHBAR32(0x14b0) = 0x1111310;
+		MCHBAR32(0x14b4) = 0x1111420;
+		MCHBAR32(0x14b8) = 0x8090220;
+		MCHBAR32(0x14bc) = 0x1010001;
+		MCHBAR32(0x14c0) = 0x1110000;
+		MCHBAR32(0x14c4) = 0x3010020;
+		MCHBAR32(0x14c8) = 0x7090220;
+		MCHBAR32(0x14cc) = 0x1081310;
+		MCHBAR32(0x14d0) = 0x1081420;
+		MCHBAR32(0x14d4) = 0x7090220;
+		MCHBAR32(0x14d8) = 0x1010001;
+		MCHBAR32(0x14dc) = 0x1110000;
+		MCHBAR32(0x14e0) = 0xb040020;
+		MCHBAR32(0x14e4) = 0x2030220;
+		MCHBAR32(0x14e8) = 0x1051310;
+		MCHBAR32(0x14ec) = 0x1051420;
+		MCHBAR32(0x14f0) = 0x2030220;
+		MCHBAR32(0x14f4) = 0x1010001;
+		MCHBAR32(0x14f8) = 0x1110000;
+		MCHBAR32(0x14fc) = 0x5020020;
+		MCHBAR32(0x1500) = 0x5090220;
+		MCHBAR32(0x1504) = 0x2071310;
+		MCHBAR32(0x1508) = 0x2071420;
+		MCHBAR32(0x150c) = 0x5090220;
+		MCHBAR32(0x1510) = 0x1010001;
+		MCHBAR32(0x1514) = 0x1110000;
+		MCHBAR32(0x1518) = 0x7040120;
+		MCHBAR32(0x151c) = 0x2090220;
+		MCHBAR32(0x1520) = 0x70b1210;
+		MCHBAR32(0x1524) = 0x70b1310;
+		MCHBAR32(0x1528) = 0x2090220;
+		MCHBAR32(0x152c) = 0x1010001;
+		MCHBAR32(0x1530) = 0x1110000;
+		MCHBAR32(0x1534) = 0x1010110;
+		MCHBAR32(0x1538) = 0x1081310;
+		MCHBAR32(0x153c) = 0x5041200;
+		MCHBAR32(0x1540) = 0x5041310;
+		MCHBAR32(0x1544) = 0x1081310;
+		MCHBAR32(0x1548) = 0x1010001;
+		MCHBAR32(0x154c) = 0x1110000;
+		MCHBAR32(0x1550) = 0x1040120;
+		MCHBAR32(0x1554) = 0x4051210;
+		MCHBAR32(0x1558) = 0xd051200;
+		MCHBAR32(0x155c) = 0xd051200;
+		MCHBAR32(0x1560) = 0x4051210;
+		MCHBAR32(0x1564) = 0x1010001;
+		MCHBAR32(0x1568) = 0x1110000;
+		MCHBAR16(0x1222) = 0x220a;
+		MCHBAR16(0x123c) = 0x1fc0;
+		MCHBAR16(0x1220) = 0x1388;
+	}
+
+	MCHBAR32_AND_OR(0x2c80, 0, 0x1053688);	// !!!!
+	MCHBAR32(0x1c04);	// !!!!
+	MCHBAR32(0x1804) = 0x406080;
+
+	MCHBAR8(0x2ca8);
+
+	if (x2ca8 == 0) {
+		MCHBAR8_AND(0x2ca8, ~3);
+		MCHBAR8(0x2ca8) = MCHBAR8(0x2ca8) + 4;	// "+" or  "|"?
+		/* This issues a CPU reset without resetting the platform */
+		printk(BIOS_DEBUG, "Issuing a CPU reset\n");
+		/* Write back the S3 state to PM1_CNT to let the reset CPU
+		   know it also needs to take the s3 path. */
+		if (s3resume)
+			write_pmbase32(PM1_CNT, read_pmbase32(PM1_CNT)
+				       | (SLP_TYP_S3 << 10));
+		MCHBAR32_OR(0x1af0, 0x10);
+		halt();
+	}
+
+	MCHBAR8(0x2ca8) = MCHBAR8(0x2ca8);
+	MCHBAR32_AND_OR(0x2c80, 0, 0x53688);	// !!!!
+	pci_write_config32(PCI_DEV (0xff, 0, 0), 0x60, 0x20220);
+	MCHBAR16(0x2c20);	// !!!!
+	MCHBAR16(0x2c10);	// !!!!
+	MCHBAR16(0x2c00);	// !!!!
+	MCHBAR16(0x2c00) = 0x8c0;
+	udelay(1000);
+	write_1d0(0, 0x33d, 0, 0);
+	write_500(&info, 0, 0, 0xb61, 0, 0);
+	write_500(&info, 1, 0, 0xb61, 0, 0);
+	MCHBAR32(0x1a30) = 0x0;
+	MCHBAR32(0x1a34) = 0x0;
+	MCHBAR16(0x614) = 0xb5b | (info.populated_ranks[1][0][0] * 0x404) |
+		(info.populated_ranks[0][0][0] * 0xa0);
+	MCHBAR16(0x616) = 0x26a;
+	MCHBAR32(0x134) = 0x856000;
+	MCHBAR32(0x160) = 0x5ffffff;
+	MCHBAR32_AND_OR(0x114, 0, 0xc2024440);	// !!!!
+	MCHBAR32_AND_OR(0x118, 0, 0x4);	// !!!!
+	for (channel = 0; channel < NUM_CHANNELS; channel++)
+		MCHBAR32(0x260 + (channel << 10)) = 0x30809ff |
+			((info.populated_ranks_mask[channel] & 3) << 20);
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		MCHBAR16(0x31c + (channel << 10)) = 0x101;
+		MCHBAR16(0x360 + (channel << 10)) = 0x909;
+		MCHBAR16(0x3a4 + (channel << 10)) = 0x101;
+		MCHBAR16(0x3e8 + (channel << 10)) = 0x101;
+		MCHBAR32(0x320 + (channel << 10)) = 0x29002900;
+		MCHBAR32(0x324 + (channel << 10)) = 0x0;
+		MCHBAR32(0x368 + (channel << 10)) = 0x32003200;
+		MCHBAR16(0x352 + (channel << 10)) = 0x505;
+		MCHBAR16(0x354 + (channel << 10)) = 0x3c3c;
+		MCHBAR16(0x356 + (channel << 10)) = 0x1040;
+		MCHBAR16(0x39a + (channel << 10)) = 0x73e4;
+		MCHBAR16(0x3de + (channel << 10)) = 0x77ed;
+		MCHBAR16(0x422 + (channel << 10)) = 0x1040;
+	}
+
+	write_1d0(0x4, 0x151, 4, 1);
+	write_1d0(0, 0x142, 3, 1);
+	rdmsr(0x1ac);	// !!!!
+	write_500(&info, 1, 1, 0x6b3, 4, 1);
+	write_500(&info, 1, 1, 0x6cf, 4, 1);
+
+	rmw_1d0(0x21c, 0x38, 0, 6, 1);
+
+	write_1d0(((!info.populated_ranks[1][0][0]) << 1) | ((!info.
+							      populated_ranks[0]
+							      [0][0]) << 0),
+		  0x1d1, 3, 1);
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		MCHBAR16(0x38e + (channel << 10)) = 0x5f5f;
+		MCHBAR16(0x3d2 + (channel << 10)) = 0x5f5f;
+	}
+
+	set_334(0);
+
+	program_base_timings(&info);
+
+	MCHBAR8_OR(0x5ff, 0x80);
+
+	write_1d0(0x2, 0x1d5, 2, 1);
+	write_1d0(0x20, 0x166, 7, 1);
+	write_1d0(0x0, 0xeb, 3, 1);
+	write_1d0(0x0, 0xf3, 6, 1);
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++)
+		for (lane = 0; lane < 9; lane++) {
+			u16 addr = 0x125 + get_lane_offset(0, 0, lane);
+			u8 a;
+			a = read_500(&info, channel, addr, 6);	// = 0x20040080 //!!!!
+			write_500(&info, channel, a, addr, 6, 1);
+		}
+
+	udelay(1000);
+
+	if (s3resume) {
+		if (info.cached_training == NULL) {
+			u32 reg32;
+			printk(BIOS_ERR,
+			       "Couldn't find training data. Rebooting\n");
+			reg32 = inl(DEFAULT_PMBASE + 0x04);
+			outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04);
+			full_reset();
+		}
+		int tm;
+		info.training = *info.cached_training;
+		for (tm = 0; tm < 4; tm++)
+			for (channel = 0; channel < NUM_CHANNELS; channel++)
+				for (slot = 0; slot < NUM_SLOTS; slot++)
+					for (rank = 0; rank < NUM_RANKS; rank++)
+						for (lane = 0; lane < 9; lane++)
+							write_500(&info,
+								  channel,
+								  info.training.
+								  lane_timings
+								  [tm][channel]
+								  [slot][rank]
+								  [lane],
+								  get_timing_register_addr
+								  (lane, tm,
+								   slot, rank),
+								  9, 0);
+		write_1d0(info.cached_training->reg_178, 0x178, 7, 1);
+		write_1d0(info.cached_training->reg_10b, 0x10b, 6, 1);
+	}
+
+	MCHBAR32_AND_OR(0x1f4, 0, 0x20000);	// !!!!
+	MCHBAR32(0x1f0) = 0x1d000200;
+	MCHBAR8_AND_OR(0x1f0, 0, 0x1);	// !!!!
+	MCHBAR8(0x1f0);	// !!!!
+
+	program_board_delay(&info);
+
+	MCHBAR8(0x5ff) = 0x0;
+	MCHBAR8(0x5ff) = 0x80;
+	MCHBAR8(0x5f4) = 0x1;
+
+	MCHBAR32_AND(0x130, 0xfffffffd);	// | 2 when ?
+	while (MCHBAR32(0x130) & 1)
+		;
+	gav(read_1d0(0x14b, 7));	// = 0x81023100
+	write_1d0(0x30, 0x14b, 7, 1);
+	read_1d0(0xd6, 6);	// = 0xfa008080 // !!!!
+	write_1d0(7, 0xd6, 6, 1);
+	read_1d0(0x328, 6);	// = 0xfa018080 // !!!!
+	write_1d0(7, 0x328, 6, 1);
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++)
+		set_4cf(&info, channel,
+			info.populated_ranks[channel][0][0] ? 8 : 0);
+
+	read_1d0(0x116, 4);	// = 0x4040432 // !!!!
+	write_1d0(2, 0x116, 4, 1);
+	read_1d0(0xae, 6);	// = 0xe8088080 // !!!!
+	write_1d0(0, 0xae, 6, 1);
+	read_1d0(0x300, 4);	// = 0x48088080 // !!!!
+	write_1d0(0, 0x300, 6, 1);
+	MCHBAR16_AND_OR(0x356, 0, 0x1040);	// !!!!
+	MCHBAR16_AND_OR(0x756, 0, 0x1040);	// !!!!
+	MCHBAR32_AND(0x140, ~0x07000000);
+	MCHBAR32_AND(0x138, ~0x07000000);
+	MCHBAR32(0x130) = 0x31111301;
+	/* Wait until REG130b0 is 1.  */
+	while (MCHBAR32(0x130) & 1)
+		;
+
+	{
+		u32 t;
+		u8 val_a1;
+		val_a1 = read_1d0(0xa1, 6);	// = 0x1cf4040 // !!!!
+		t = read_1d0(0x2f3, 6);	// = 0x10a4040 // !!!!
+		rmw_1d0(0x320, 0x07,
+			(t & 4) | ((t & 8) >> 2) | ((t & 0x10) >> 4), 6, 1);
+		rmw_1d0(0x14b, 0x78,
+			((((val_a1 >> 2) & 4) | (val_a1 & 8)) >> 2) | (val_a1 &
+								       4), 7,
+			1);
+		rmw_1d0(0xce, 0x38,
+			((((val_a1 >> 2) & 4) | (val_a1 & 8)) >> 2) | (val_a1 &
+								       4), 6,
+			1);
+	}
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++)
+		set_4cf(&info, channel,
+			info.populated_ranks[channel][0][0] ? 9 : 1);
+
+	rmw_1d0(0x116, 0xe, 1, 4, 1);	// = 0x4040432 // !!!!
+	MCHBAR32(0x144);	// !!!!
+	write_1d0(2, 0xae, 6, 1);
+	write_1d0(2, 0x300, 6, 1);
+	write_1d0(2, 0x121, 3, 1);
+	read_1d0(0xd6, 6);	// = 0xfa00c0c7 // !!!!
+	write_1d0(4, 0xd6, 6, 1);
+	read_1d0(0x328, 6);	// = 0xfa00c0c7 // !!!!
+	write_1d0(4, 0x328, 6, 1);
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++)
+		set_4cf(&info, channel,
+			info.populated_ranks[channel][0][0] ? 9 : 0);
+
+	MCHBAR32(0x130) = 0x11111301 | (info.populated_ranks[1][0][0] << 30) |
+		(info.populated_ranks[0][0][0] << 29);
+	while (MCHBAR8(0x130) & 1)
+		;
+	read_1d0(0xa1, 6);	// = 0x1cf4054 // !!!!
+	read_1d0(0x2f3, 6);	// = 0x10a4054 // !!!!
+	read_1d0(0x21c, 6);	// = 0xafa00c0 // !!!!
+	write_1d0(0, 0x21c, 6, 1);
+	read_1d0(0x14b, 7);	// = 0x810231b0 // !!!!
+	write_1d0(0x35, 0x14b, 7, 1);
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++)
+		set_4cf(&info, channel,
+			info.populated_ranks[channel][0][0] ? 0xb : 0x2);
+
+	set_334(1);
+
+	MCHBAR8(0x1e8) = 0x4;
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		write_500(&info, channel,
+			  0x3 & ~(info.populated_ranks_mask[channel]), 0x6b7, 2,
+			  1);
+		write_500(&info, channel, 0x3, 0x69b, 2, 1);
+	}
+	MCHBAR32_AND_OR(0x2d0, 0xff2c01ff, 0x200000);
+	MCHBAR16(0x6c0) = 0x14a0;
+	MCHBAR32_AND_OR(0x6d0, 0xff0080ff, 0x8000);
+	MCHBAR16(0x232) = 0x8;
+	/* 0x40004 or 0 depending on ? */
+	MCHBAR32_AND_OR(0x234, 0xfffbfffb, 0x40004);
+	MCHBAR32_AND_OR(0x34, 0xfffffffd, 5);
+	MCHBAR32(0x128) = 0x2150d05;
+	MCHBAR8(0x12c) = 0x1f;
+	MCHBAR8(0x12d) = 0x56;
+	MCHBAR8(0x12e) = 0x31;
+	MCHBAR8(0x12f) = 0x0;
+	MCHBAR8(0x271) = 0x2;
+	MCHBAR8(0x671) = 0x2;
+	MCHBAR8(0x1e8) = 0x4;
+	for (channel = 0; channel < NUM_CHANNELS; channel++)
+		MCHBAR32(0x294 + (channel << 10)) =
+			(info.populated_ranks_mask[channel] & 3) << 16;
+	MCHBAR32_AND_OR(0x134, 0xfc01ffff, 0x10000);
+	MCHBAR32_AND_OR(0x134, 0xfc85ffff, 0x850000);
+	for (channel = 0; channel < NUM_CHANNELS; channel++)
+		MCHBAR32_AND_OR(0x260 + (channel << 10), ~0xf00000, 0x8000000 |
+			((info.populated_ranks_mask[channel] & 3) << 20));
+
+	if (!s3resume)
+		jedec_init(&info);
+
+	int totalrank = 0;
+	for (channel = 0; channel < NUM_CHANNELS; channel++)
+		for (slot = 0; slot < NUM_SLOTS; slot++)
+			for (rank = 0; rank < NUM_RANKS; rank++)
+				if (info.populated_ranks[channel][slot][rank]) {
+					jedec_read(&info, channel, slot, rank,
+						   totalrank, 0xa, 0x400);
+					totalrank++;
+				}
+
+	MCHBAR8(0x12c) = 0x9f;
+
+	MCHBAR8_AND_OR(0x271, 0, 0xe);	// 2 // !!!!
+	MCHBAR8_AND_OR(0x671, 0, 0xe);	// !!!!
+
+	if (!s3resume) {
+		for (channel = 0; channel < NUM_CHANNELS; channel++) {
+			MCHBAR32(0x294 + (channel << 10)) =
+				(info.populated_ranks_mask[channel] & 3) << 16;
+			MCHBAR16(0x298 + (channel << 10)) =
+				info.populated_ranks[channel][0][0] |
+				(info.populated_ranks[channel][0][1] << 5);
+			MCHBAR32(0x29c + (channel << 10)) = 0x77a;
+		}
+		MCHBAR32_AND_OR(0x2c0, 0, 0x6009cc00);	// !!!!
+
+		{
+			u8 a, b;
+			a = MCHBAR8(0x243);
+			b = MCHBAR8(0x643);
+			MCHBAR8(0x243) = a | 2;
+			MCHBAR8(0x643) = b | 2;
+		}
+
+		write_1d0(7, 0x19b, 3, 1);
+		write_1d0(7, 0x1c0, 3, 1);
+		write_1d0(4, 0x1c6, 4, 1);
+		write_1d0(4, 0x1cc, 4, 1);
+		read_1d0(0x151, 4);	// = 0x408c6d74 // !!!!
+		write_1d0(4, 0x151, 4, 1);
+		MCHBAR32(0x584) = 0xfffff;
+		MCHBAR32(0x984) = 0xfffff;
+
+		for (channel = 0; channel < NUM_CHANNELS; channel++)
+			for (slot = 0; slot < NUM_SLOTS; slot++)
+				for (rank = 0; rank < NUM_RANKS; rank++)
+					if (info.
+					    populated_ranks[channel][slot]
+					    [rank])
+						config_rank(&info, s3resume,
+							    channel, slot,
+							    rank);
+
+		MCHBAR8(0x243) = 0x1;
+		MCHBAR8(0x643) = 0x1;
+	}
+
+	/* was == 1 but is common */
+	pci_write_config16(NORTHBRIDGE, 0xc8, 3);
+	write_26c(0, 0x820);
+	write_26c(1, 0x820);
+	MCHBAR32_OR(0x130, 2);
+	/* end */
+
+	if (s3resume) {
+		for (channel = 0; channel < NUM_CHANNELS; channel++) {
+			MCHBAR32(0x294 + (channel << 10)) =
+				(info.populated_ranks_mask[channel] & 3) << 16;
+			MCHBAR16(0x298 + (channel << 10)) =
+				info.populated_ranks[channel][0][0] |
+				(info.populated_ranks[channel][0][1] << 5);
+			MCHBAR32(0x29c + (channel << 10)) = 0x77a;
+		}
+		MCHBAR32_AND_OR(0x2c0, 0, 0x6009cc00);	// !!!!
+	}
+
+	MCHBAR32_AND(0xfa4, ~0x01000002);
+	MCHBAR32(0xfb0) = 0x2000e019;
+
+	/* Before training. */
+	timestamp_add_now(103);
+
+	if (!s3resume)
+		ram_training(&info);
+
+	/* After training. */
+	timestamp_add_now(104);
+
+	dump_timings(&info);
+
+	program_modules_memory_map(&info, 0);
+	program_total_memory_map(&info);
+
+	if (info.non_interleaved_part_mb != 0 && info.interleaved_part_mb != 0)
+		MCHBAR8(0x111) = 0x20 | (0 << 2) | (1 << 6) | (0 << 7);
+	else if (have_match_ranks(&info, 0, 4) && have_match_ranks(&info, 1, 4))
+		MCHBAR8(0x111) = 0x20 | (3 << 2) | (0 << 6) | (1 << 7);
+	else if (have_match_ranks(&info, 0, 2) && have_match_ranks(&info, 1, 2))
+		MCHBAR8(0x111) = 0x20 | (3 << 2) | (0 << 6) | (0 << 7);
+	else
+		MCHBAR8(0x111) = 0x20 | (3 << 2) | (1 << 6) | (0 << 7);
+
+	MCHBAR32_AND(0xfac, ~0x80000000);
+	MCHBAR32(0xfb4) = 0x4800;
+	MCHBAR32(0xfb8) = (info.revision < 8) ? 0x20 : 0x0;
+	MCHBAR32(0xe94) = 0x7ffff;
+	MCHBAR32(0xfc0) = 0x80002040;
+	MCHBAR32(0xfc4) = 0x701246;
+	MCHBAR8_AND(0xfc8, ~0x70);
+	MCHBAR32_OR(0xe5c, 0x1000000);
+	MCHBAR32_AND_OR(0x1a70, ~0x00100000, 0x00200000);
+	MCHBAR32(0x50) = 0x700b0;
+	MCHBAR32(0x3c) = 0x10;
+	MCHBAR8(0x1aa8) = (MCHBAR8(0x1aa8) & ~0x35) | 0xa;
+	MCHBAR8_OR(0xff4, 0x2);
+	MCHBAR32_AND_OR(0xff8, ~0xe008, 0x1020);
+
+#if 1
+	MCHBAR32(0xd00) = IOMMU_BASE2 | 1;
+	MCHBAR32(0xd40) = IOMMU_BASE1 | 1;
+	MCHBAR32(0xdc0) = IOMMU_BASE4 | 1;
+
+	write32p(IOMMU_BASE1 | 0xffc, 0x80000000);
+	write32p(IOMMU_BASE2 | 0xffc, 0xc0000000);
+	write32p(IOMMU_BASE4 | 0xffc, 0x80000000);
+
+#else
+	{
+		u32 eax;
+		// = 0xe911714b
+		eax = read32p(0xffc + (MCHBAR32(0xd00) & ~1)) | 0x08000000;
+		write32p(0xffc + (MCHBAR32(0xd00) & ~1), eax);
+		// = 0xe911714b
+		eax = read32p(0xffc + (MCHBAR32(0xdc0) & ~1)) | 0x40000000;
+		write32p(0xffc + (MCHBAR32(0xdc0) & ~1), eax);
+	}
+#endif
+
+	{
+		u32 eax;
+
+		eax = info.fsb_frequency / 9;
+		MCHBAR32_AND_OR(0xfcc, 0xfffc0000,
+			(eax * 0x280) | (eax * 0x5000) | eax | 0x40000);
+		MCHBAR32(0x20) = 0x33001;
+	}
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		MCHBAR32_AND(0x220 + (channel << 10), ~0x7770);
+		if (info.max_slots_used_in_channel == 1)
+			MCHBAR16_OR(0x237 + (channel << 10), 0x0201);
+		else
+			MCHBAR16_AND(0x237 + (channel << 10), ~0x0201);
+
+		MCHBAR8_OR(0x241 + (channel << 10), 1);
+
+		if (info.clock_speed_index <= 1 && (info.silicon_revision == 2
+			|| info.silicon_revision == 3))
+			MCHBAR32_OR(0x248 + (channel << 10), 0x00102000);
+		else
+			MCHBAR32_AND(0x248 + (channel << 10), ~0x00102000);
+	}
+
+	MCHBAR32_OR(0x115, 0x1000000);
+
+	{
+		u8 al;
+		al = 0xd;
+		if (!(info.silicon_revision == 0 || info.silicon_revision == 1))
+			al += 2;
+		al |= ((1 << (info.max_slots_used_in_channel - 1)) - 1) << 4;
+		MCHBAR32(0x210) = (al << 16) | 0x20;
+	}
+
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		MCHBAR32(0x288 + (channel << 10)) = 0x70605040;
+		MCHBAR32(0x28c + (channel << 10)) = 0xfffec080;
+		MCHBAR32(0x290 + (channel << 10)) = 0x282091c |
+			((info.max_slots_used_in_channel - 1) << 0x16);
+	}
+	u32 reg1c;
+	pci_read_config32(NORTHBRIDGE, 0x40);	// = DEFAULT_EPBAR | 0x001 // OK
+	reg1c = read32p(DEFAULT_EPBAR | 0x01c);	// = 0x8001 // OK
+	pci_read_config32(NORTHBRIDGE, 0x40);	// = DEFAULT_EPBAR | 0x001 // OK
+	write32p(DEFAULT_EPBAR | 0x01c, reg1c);	// OK
+	MCHBAR8(0xe08);	// = 0x0
+	pci_read_config32(NORTHBRIDGE, 0xe4);	// = 0x316126
+	MCHBAR8_OR(0x1210, 2);
+	MCHBAR32(0x1200) = 0x8800440;
+	MCHBAR32(0x1204) = 0x53ff0453;
+	MCHBAR32(0x1208) = 0x19002043;
+	MCHBAR16(0x1214) = 0x320;
+
+	if (info.revision == 0x10 || info.revision == 0x11) {
+		MCHBAR16(0x1214) = 0x220;
+		MCHBAR8_OR(0x1210, 0x40);
+	}
+
+	MCHBAR8_OR(0x1214, 0x4);
+	MCHBAR8(0x120c) = 0x1;
+	MCHBAR8(0x1218) = 0x3;
+	MCHBAR8(0x121a) = 0x3;
+	MCHBAR8(0x121c) = 0x3;
+	MCHBAR16(0xc14) = 0x0;
+	MCHBAR16(0xc20) = 0x0;
+	MCHBAR32(0x1c) = 0x0;
+
+	/* revision dependent here.  */
+
+	MCHBAR16_OR(0x1230, 0x1f07);
+
+	if (info.uma_enabled)
+		MCHBAR32_OR(0x11f4, 0x10000000);
+
+	MCHBAR16_OR(0x1230, 0x8000);
+	MCHBAR8_OR(0x1214, 1);
+
+	u8 bl, ebpb;
+	u16 reg_1020;
+
+	reg_1020 = MCHBAR32(0x1020);	// = 0x6c733c  // OK
+	MCHBAR8(0x1070) = 0x1;
+
+	MCHBAR32(0x1000) = 0x100;
+	MCHBAR8(0x1007) = 0x0;
+
+	if (reg_1020 != 0) {
+		MCHBAR16(0x1018) = 0x0;
+		bl = reg_1020 >> 8;
+		ebpb = reg_1020 & 0xff;
+	} else {
+		ebpb = 0;
+		bl = 8;
+	}
+
+	rdmsr(0x1a2);
+
+	MCHBAR32(0x1014) = 0xffffffff;
+
+	MCHBAR32(0x1010) = ((((ebpb + 0x7d) << 7) / bl) & 0xff) * (!!reg_1020);
+
+	MCHBAR8(0x101c) = 0xb8;
+
+	MCHBAR8(0x123e) = (MCHBAR8(0x123e) & 0xf) | 0x60;
+	if (reg_1020 != 0) {
+		MCHBAR32_AND_OR(0x123c, ~0x00900000, 0x600000);
+		MCHBAR8(0x101c) = 0xb8;
+	}
+
+	setup_heci_uma(&info);
+
+	if (info.uma_enabled) {
+		u16 ax;
+		MCHBAR32_OR(0x11b0, 0x4000);
+		MCHBAR32_OR(0x11b4, 0x4000);
+		MCHBAR16_OR(0x1190, 0x4000);
+
+		ax = MCHBAR16(0x1190) & 0xf00;	// = 0x480a  // OK
+		MCHBAR16(0x1170) = ax | (MCHBAR16(0x1170) & 0x107f) | 0x4080;
+		MCHBAR16_OR(0x1170, 0x1000);
+
+		udelay(1000);
+
+		u16 ecx;
+		for (ecx = 0xffff; ecx && (MCHBAR16(0x1170) & 0x1000); ecx--)
+			;
+		MCHBAR16_AND(0x1190, ~0x4000);
+	}
+
+	pci_write_config8(SOUTHBRIDGE, GEN_PMCON_2,
+		      pci_read_config8(SOUTHBRIDGE, GEN_PMCON_2) & ~0x80);
+	udelay(10000);
+	MCHBAR16(0x2ca8) = 0x8;
+
+	udelay(1000);
+	dump_timings(&info);
+	cbmem_wasnot_inited = cbmem_recovery(s3resume);
+
+	if (!s3resume)
+		save_timings(&info);
+	if (s3resume && cbmem_wasnot_inited) {
+		u32 reg32;
+		printk(BIOS_ERR, "Failed S3 resume.\n");
+		ram_check(0x100000, 0x200000);
+
+		/* Clear SLP_TYPE.  */
+		reg32 = inl(DEFAULT_PMBASE + 0x04);
+		outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04);
+
+		/* Failed S3 resume, reset to come up cleanly */
+		full_reset();
+	}
+}