[coreboot-gerrit] Patch set updated for coreboot: northbridge/intel/pineview: Add remaining code including native raminit
Damien Zammit (damien@zamaudio.com)
gerrit at coreboot.org
Sun Nov 15 13:29:32 CET 2015
Damien Zammit (damien at zamaudio.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/12430
-gerrit
commit 53c3f1eb91eddd3a5e45feb3395623b48b6e33c4
Author: Damien Zammit <damien at zamaudio.com>
Date: Sat Nov 14 00:59:21 2015 +1100
northbridge/intel/pineview: Add remaining code including native raminit
Does native ram init for Intel Atom D5xx 8086:a000 northbridge
Tested on Intel D510MO mainboard, board boots linux kernel
- Works fully with both dimms populated (2x2GB), memtest passes 100%
- Almost boots with only one dimm in one of the slots
(suspect bad memory map with one dimm?)
- Reads garbage with only one dimm in other slot
Change-Id: I3fb8146ef7fe2ad27c167ecd2fb0fd629f051cc1
Signed-off-by: Damien Zammit <damien at zamaudio.com>
---
src/northbridge/intel/pineview/Kconfig | 40 +-
src/northbridge/intel/pineview/Makefile.inc | 17 +-
src/northbridge/intel/pineview/acpi.c | 34 +-
src/northbridge/intel/pineview/acpi/hostbridge.asl | 234 ++
src/northbridge/intel/pineview/acpi/igd.asl | 432 +++
src/northbridge/intel/pineview/acpi/peg.asl | 41 +
src/northbridge/intel/pineview/acpi/pineview.asl | 78 +
src/northbridge/intel/pineview/bootblock.c | 3 +-
src/northbridge/intel/pineview/chip.h | 8 +
src/northbridge/intel/pineview/early_init.c | 179 ++
src/northbridge/intel/pineview/gma.c | 552 ++++
src/northbridge/intel/pineview/northbridge.c | 286 ++
src/northbridge/intel/pineview/pineview.h | 183 +-
src/northbridge/intel/pineview/ram_calc.c | 73 +-
src/northbridge/intel/pineview/raminit.c | 2837 ++++++++++++++++++++
src/northbridge/intel/pineview/raminit.h | 23 +
src/northbridge/intel/pineview/udelay.c | 82 -
17 files changed, 4917 insertions(+), 185 deletions(-)
diff --git a/src/northbridge/intel/pineview/Kconfig b/src/northbridge/intel/pineview/Kconfig
index 4d6dcc2..18e0ee0 100644
--- a/src/northbridge/intel/pineview/Kconfig
+++ b/src/northbridge/intel/pineview/Kconfig
@@ -12,10 +12,6 @@
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
-## You should have received a copy of the GNU General Public License
-## along with this program; if not, write to the Free Software
-## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-##
config NORTHBRIDGE_INTEL_PINEVIEW
bool
@@ -26,10 +22,11 @@ config NORTHBRIDGE_SPECIFIC_OPTIONS # dummy
def_bool y
select MMCONF_SUPPORT
select MMCONF_SUPPORT_DEFAULT
- #select HAVE_DEBUG_RAM_SETUP
+ select HAVE_DEBUG_RAM_SETUP
select LAPIC_MONOTONIC_TIMER
select VGA
- select PER_DEVICE_ACPI_TABLES
+ select INTEL_GMA_ACPI
+ select LATE_CBMEM_INIT
config BOOTBLOCK_NORTHBRIDGE_INIT
string
@@ -39,35 +36,4 @@ config VGA_BIOS_ID
string
default "8086,a001"
-config CHANNEL_XOR_RANDOMIZATION
- bool
- default n
-
-config OVERRIDE_CLOCK_DISABLE
- bool
- default n
- help
- Usually system firmware turns off system memory clock
- signals to unused SO-DIMM slots to reduce EMI and power
- consumption.
- However, some boards do not like unused clock signals to
- be disabled.
-
-config MAXIMUM_SUPPORTED_FREQUENCY
- int
- default 0
- help
- If non-zero, this designates the maximum DDR frequency
- the board supports, despite what the chipset should be
- capable of.
-
-config CHECK_SLFRCS_ON_RESUME
- def_bool n
- help
- On some boards it may be neccessary to hard reset early
- during resume from S3 if the SLFRCS register indicates that
- a memory channel is not guaranteed to be in self-refresh.
- On other boards the check always creates a false positive,
- effectively making it impossible to resume.
-
endif
diff --git a/src/northbridge/intel/pineview/Makefile.inc b/src/northbridge/intel/pineview/Makefile.inc
index 8416342..514ed77 100644
--- a/src/northbridge/intel/pineview/Makefile.inc
+++ b/src/northbridge/intel/pineview/Makefile.inc
@@ -2,6 +2,7 @@
# This file is part of the coreboot project.
#
# Copyright (C) 2007-2009 coresystems GmbH
+# Copyright (C) 2015 Damien Zammit <damien at zamaudio.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -12,24 +13,16 @@
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-#
ifeq ($(CONFIG_NORTHBRIDGE_INTEL_PINEVIEW),y)
ramstage-y += ram_calc.c
-#ramstage-y += northbridge.c
-#ramstage-y += gma.c
+ramstage-y += northbridge.c
ramstage-y += acpi.c
+ramstage-y += gma.c
romstage-y += ram_calc.c
-#romstage-y += raminit.c
-#romstage-y += early_init.c
-#romstage-y += errata.c
-#romstage-y += debug.c
-
-smm-y += udelay.c
+romstage-y += raminit.c
+romstage-y += early_init.c
endif
diff --git a/src/northbridge/intel/pineview/acpi.c b/src/northbridge/intel/pineview/acpi.c
index b393170..fa74b82 100644
--- a/src/northbridge/intel/pineview/acpi.c
+++ b/src/northbridge/intel/pineview/acpi.c
@@ -12,24 +12,20 @@
* 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
*/
-#include <arch/acpigen.h>
-#include <arch/acpi.h>
-#include <cbmem.h>
+#include <types.h>
+#include <string.h>
#include <console/console.h>
-#include <cpu/cpu.h>
+#include <arch/acpi.h>
+#include <arch/acpigen.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
-#include <northbridge/intel/pineview/pineview.h>
-#include <string.h>
-#include <types.h>
+#include <cbmem.h>
+#include <arch/acpigen.h>
+#include <cpu/cpu.h>
+#include "pineview.h"
unsigned long acpi_fill_mcfg(unsigned long current)
{
@@ -73,3 +69,17 @@ unsigned long acpi_fill_mcfg(unsigned long current)
return current;
}
+
+#define ALIGN_CURRENT current = (ALIGN(current, 16))
+unsigned long northbridge_write_acpi_tables(unsigned long start, struct acpi_rsdp *rsdp)
+{
+ unsigned long current;
+
+ current = start;
+
+ ALIGN_CURRENT;
+
+ printk(BIOS_DEBUG, "current = %lx\n", current);
+
+ return current;
+}
diff --git a/src/northbridge/intel/pineview/acpi/hostbridge.asl b/src/northbridge/intel/pineview/acpi/hostbridge.asl
new file mode 100644
index 0000000..747d7da
--- /dev/null
+++ b/src/northbridge/intel/pineview/acpi/hostbridge.asl
@@ -0,0 +1,234 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * 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; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/ioapic.h>
+
+Name(_HID,EISAID("PNP0A08")) // PCIe
+Name(_CID,EISAID("PNP0A03")) // PCI
+
+Name(_ADR, 0)
+Name(_BBN, 0)
+
+Device (MCHC)
+{
+ Name(_ADR, 0x00000000) // 0:0.0
+
+ OperationRegion(MCHP, PCI_Config, 0x00, 0x100)
+ Field (MCHP, DWordAcc, NoLock, Preserve)
+ {
+ Offset (0x40), // EPBAR
+ EPEN, 1, // Enable
+ , 11, //
+ EPBR, 24, // EPBAR
+
+ Offset (0x48), // MCHBAR
+ MHEN, 1, // Enable
+ , 13, //
+ MHBR, 22, // MCHBAR
+
+ Offset (0x60), // PCIe BAR
+ PXEN, 1, // Enable
+ PXSZ, 2, // BAR size
+ , 23, //
+ PXBR, 10, // PCIe BAR
+
+ Offset (0x68), // DMIBAR
+ DMEN, 1, // Enable
+ , 11, //
+ DMBR, 20, // DMIBAR
+
+ // ...
+
+ Offset (0x90), // PAM0
+ , 4,
+ PM0H, 2,
+ , 2,
+ Offset (0x91), // PAM1
+ PM1L, 2,
+ , 2,
+ PM1H, 2,
+ , 2,
+ Offset (0x92), // PAM2
+ PM2L, 2,
+ , 2,
+ PM2H, 2,
+ , 2,
+ Offset (0x93), // PAM3
+ PM3L, 2,
+ , 2,
+ PM3H, 2,
+ , 2,
+ Offset (0x94), // PAM4
+ PM4L, 2,
+ , 2,
+ PM4H, 2,
+ , 2,
+ Offset (0x95), // PAM5
+ PM5L, 2,
+ , 2,
+ PM5H, 2,
+ , 2,
+ Offset (0x96), // PAM6
+ PM6L, 2,
+ , 2,
+ PM6H, 2,
+ , 2,
+
+ Offset (0xa0), // Top of Used Memory
+ TOM, 8,
+
+ Offset (0xb0), // Top of Low Used Memory
+ , 4,
+ TLUD, 12,
+
+ }
+
+}
+
+
+// Current Resource Settings
+Name (MCRS, ResourceTemplate()
+{
+ // Bus Numbers
+ WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
+ 0x0000, 0x0000, 0x00ff, 0x0000, 0x0100,,, PB00)
+
+ // IO Region 0
+ DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+ 0x0000, 0x0000, 0x0cf7, 0x0000, 0x0cf8,,, PI00)
+
+ // PCI Config Space
+ Io (Decode16, 0x0cf8, 0x0cf8, 0x0001, 0x0008)
+
+ // IO Region 1
+ DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+ 0x0000, 0x0d00, 0xffff, 0x0000, 0xf300,,, PI01)
+
+ // VGA memory (0xa0000-0xbffff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000a0000, 0x000bffff, 0x00000000,
+ 0x00020000,,, ASEG)
+
+ // OPROM reserved (0xc0000-0xc3fff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000c0000, 0x000c3fff, 0x00000000,
+ 0x00004000,,, OPR0)
+
+ // OPROM reserved (0xc4000-0xc7fff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000c4000, 0x000c7fff, 0x00000000,
+ 0x00004000,,, OPR1)
+
+ // OPROM reserved (0xc8000-0xcbfff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000c8000, 0x000cbfff, 0x00000000,
+ 0x00004000,,, OPR2)
+
+ // OPROM reserved (0xcc000-0xcffff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000cc000, 0x000cffff, 0x00000000,
+ 0x00004000,,, OPR3)
+
+ // OPROM reserved (0xd0000-0xd3fff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000d0000, 0x000d3fff, 0x00000000,
+ 0x00004000,,, OPR4)
+
+ // OPROM reserved (0xd4000-0xd7fff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000d4000, 0x000d7fff, 0x00000000,
+ 0x00004000,,, OPR5)
+
+ // OPROM reserved (0xd8000-0xdbfff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000d8000, 0x000dbfff, 0x00000000,
+ 0x00004000,,, OPR6)
+
+ // OPROM reserved (0xdc000-0xdffff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000dc000, 0x000dffff, 0x00000000,
+ 0x00004000,,, OPR7)
+
+ // BIOS Extension (0xe0000-0xe3fff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000e0000, 0x000e3fff, 0x00000000,
+ 0x00004000,,, ESG0)
+
+ // BIOS Extension (0xe4000-0xe7fff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000e4000, 0x000e7fff, 0x00000000,
+ 0x00004000,,, ESG1)
+
+ // BIOS Extension (0xe8000-0xebfff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000e8000, 0x000ebfff, 0x00000000,
+ 0x00004000,,, ESG2)
+
+ // BIOS Extension (0xec000-0xeffff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000ec000, 0x000effff, 0x00000000,
+ 0x00004000,,, ESG3)
+
+ // System BIOS (0xf0000-0xfffff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x000f0000, 0x000fffff, 0x00000000,
+ 0x00010000,,, FSEG)
+
+ // PCI Memory Region (Top of memory-0xfebfffff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x00000000, 0xfebfffff, 0x00000000,
+ IO_APIC_ADDR,,, PM01)
+
+ // TPM Area (0xfed40000-0xfed44fff)
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0xfed40000, 0xfed44fff, 0x00000000,
+ 0x00005000,,, TPMR)
+})
+
+Method (_CRS, 0, Serialized)
+{
+ // Find PCI resource area in MCRS
+ CreateDwordField(MCRS, ^PM01._MIN, PMIN)
+ CreateDwordField(MCRS, ^PM01._MAX, PMAX)
+ CreateDwordField(MCRS, ^PM01._LEN, PLEN)
+
+ // Fix up PCI memory region:
+ // Enter actual TOLUD. The TOLUD register contains bits 27-31 of
+ // the top of memory address.
+ ShiftLeft (^MCHC.TLUD, 27, PMIN)
+ Add(Subtract(PMAX, PMIN), 1, PLEN)
+
+ Return (MCRS)
+}
+
+/* IRQ assignment is mainboard specific. Get it from mainboard ACPI code */
+#include "acpi/pineview_pci_irqs.asl"
diff --git a/src/northbridge/intel/pineview/acpi/igd.asl b/src/northbridge/intel/pineview/acpi/igd.asl
new file mode 100644
index 0000000..ca14c1d
--- /dev/null
+++ b/src/northbridge/intel/pineview/acpi/igd.asl
@@ -0,0 +1,432 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * 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; version 2 of
+ * the License.
+ *
+ * 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.
+ */
+
+Device (GFX0)
+{
+ Name (_ADR, 0x00020000)
+
+ OperationRegion (GFXC, PCI_Config, 0x00, 0x0100)
+ Field (GFXC, DWordAcc, NoLock, Preserve)
+ {
+ Offset (0x10),
+ BAR0, 64
+ }
+
+ OperationRegion (GFRG, SystemMemory, And (BAR0, 0xfffffffffffffff0), 0x400000)
+ Field (GFRG, DWordAcc, NoLock, Preserve)
+ {
+ Offset (0x61250),
+ CR1, 32,
+ BCLV, 16,
+ BCLM, 16,
+ }
+
+ /* Display Output Switching */
+ Method (_DOS, 1)
+ {
+ /* Windows 2000 and Windows XP call _DOS to enable/disable
+ * Display Output Switching during init and while a switch
+ * is already active
+ */
+ Store (And(Arg0, 7), DSEN)
+ }
+
+ /* We try to support as many GM45 systems as possible,
+ * so keep the number of DIDs flexible.
+ */
+ Method (_DOD, 0)
+ {
+ If (LEqual(NDID, 1)) {
+ Name(DOD1, Package() {
+ 0xffffffff
+ })
+ Store (Or(0x00010000, DID1), Index(DOD1, 0))
+ Return(DOD1)
+ }
+
+ If (LEqual(NDID, 2)) {
+ Name(DOD2, Package() {
+ 0xffffffff,
+ 0xffffffff
+ })
+ Store (Or(0x00010000, DID1), Index(DOD2, 0))
+ Store (Or(0x00010000, DID2), Index(DOD2, 1))
+ Return(DOD2)
+ }
+
+ If (LEqual(NDID, 3)) {
+ Name(DOD3, Package() {
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff
+ })
+ Store (Or(0x00010000, DID1), Index(DOD3, 0))
+ Store (Or(0x00010000, DID2), Index(DOD3, 1))
+ Store (Or(0x00010000, DID3), Index(DOD3, 2))
+ Return(DOD3)
+ }
+
+ If (LEqual(NDID, 4)) {
+ Name(DOD4, Package() {
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff
+ })
+ Store (Or(0x00010000, DID1), Index(DOD4, 0))
+ Store (Or(0x00010000, DID2), Index(DOD4, 1))
+ Store (Or(0x00010000, DID3), Index(DOD4, 2))
+ Store (Or(0x00010000, DID4), Index(DOD4, 3))
+ Return(DOD4)
+ }
+
+ If (LGreater(NDID, 4)) {
+ Name(DOD5, Package() {
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff
+ })
+ Store (Or(0x00010000, DID1), Index(DOD5, 0))
+ Store (Or(0x00010000, DID2), Index(DOD5, 1))
+ Store (Or(0x00010000, DID3), Index(DOD5, 2))
+ Store (Or(0x00010000, DID4), Index(DOD5, 3))
+ Store (Or(0x00010000, DID5), Index(DOD5, 4))
+ Return(DOD5)
+ }
+
+ /* Some error happened, but we have to return something */
+ Return (Package() {0x00000400})
+ }
+
+ Device(DD01)
+ {
+ /* Device Unique ID */
+ Method(_ADR, 0, Serialized)
+ {
+ If(LEqual(DID1, 0)) {
+ Return (1)
+ } Else {
+ Return (And(0xffff, DID1))
+ }
+ }
+
+ /* Device Current Status */
+ Method(_DCS, 0)
+ {
+ TRAP(1)
+ If (And(CSTE, 1)) {
+ Return (0x1f)
+ }
+ Return(0x1d)
+ }
+
+ /* Query Device Graphics State */
+ Method(_DGS, 0)
+ {
+ If (And(NSTE, 1)) {
+ Return(1)
+ }
+ Return(0)
+ }
+
+ /* Device Set State */
+ Method(_DSS, 1)
+ {
+ /* If Parameter Arg0 is (1 << 31) | (1 << 30), the
+ * display switch was completed
+ */
+ If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) {
+ Store (NSTE, CSTE)
+ }
+ }
+ }
+
+#ifdef DISPLAY_DEVICE_2_IS_LCD_SCREEN
+ Device (LCD0)
+ {
+ /* Device Unique ID */
+ Method(_ADR, 0, Serialized)
+ {
+ If(LEqual(DID2, 0)) {
+ Return (2)
+ } Else {
+ Return (And(0xffff, DID2))
+ }
+ }
+
+ Name (BRCT, 0)
+
+ Name (BRIG, Package (0x12)
+ {
+ 0x61,
+ 0x61,
+ 0x2,
+ 0x4,
+ 0x5,
+ 0x7,
+ 0x9,
+ 0xb,
+ 0xd,
+ 0x11,
+ 0x14,
+ 0x17,
+ 0x1c,
+ 0x20,
+ 0x27,
+ 0x31,
+ 0x41,
+ 0x61,
+ })
+
+ Method (_BCL, 0, NotSerialized)
+ {
+ Store (1, BRCT)
+ Return (BRIG)
+ }
+
+ Method (_BCM, 1, NotSerialized)
+ {
+ Store (ShiftLeft (Arg0, 4), ^^BCLV)
+ Store (0x80000000, ^^CR1)
+ Store (0x0610, ^^BCLM)
+ }
+ Method (_BQC, 0, NotSerialized)
+ {
+ Store (^^BCLV, Local0)
+ ShiftRight (Local0, 4, Local0)
+ Return (Local0)
+ }
+
+ Method(BRID, 1, NotSerialized)
+ {
+ Store (Match (BRIG, MEQ, Arg0, MTR, Zero, 2), Local0)
+ If (LEqual (Local0, Ones))
+ {
+ Return (0x11)
+ }
+ Return (Local0)
+ }
+
+ /* Using Notify is the right way. But Windows doesn't handle
+ it well. So use both method in a way to avoid double action.
+ */
+ Method (DECB, 0, NotSerialized)
+ {
+ If (BRCT)
+ {
+ Notify (LCD0, 0x87)
+ } Else {
+ Store (BRID (_BQC ()), Local0)
+ If (LNotEqual (Local0, 2))
+ {
+ Decrement (Local0)
+ }
+ _BCM (DerefOf (Index (BRIG, Local0)))
+ }
+ }
+ Method (INCB, 0, NotSerialized)
+ {
+ If (BRCT)
+ {
+ Notify (LCD0, 0x86)
+ } Else {
+ Store (BRID (_BQC ()), Local0)
+ If (LNotEqual (Local0, 0x11))
+ {
+ Increment (Local0)
+ }
+ _BCM (DerefOf (Index (BRIG, Local0)))
+ }
+ }
+ }
+#else
+ Device(DD02)
+ {
+ /* Device Unique ID */
+ Method(_ADR, 0, Serialized)
+ {
+ If(LEqual(DID2, 0)) {
+ Return (2)
+ } Else {
+ Return (And(0xffff, DID2))
+ }
+ }
+
+ /* Device Current Status */
+ Method(_DCS, 0)
+ {
+ TRAP(1)
+ If (And(CSTE, 2)) {
+ Return (0x1f)
+ }
+ Return(0x1d)
+ }
+
+ /* Query Device Graphics State */
+ Method(_DGS, 0)
+ {
+ If (And(NSTE, 2)) {
+ Return(1)
+ }
+ Return(0)
+ }
+
+ /* Device Set State */
+ Method(_DSS, 1)
+ {
+ /* If Parameter Arg0 is (1 << 31) | (1 << 30), the
+ * display switch was completed
+ */
+ If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) {
+ Store (NSTE, CSTE)
+ }
+ }
+ }
+#endif
+
+ Device(DD03)
+ {
+ /* Device Unique ID */
+ Method(_ADR, 0, Serialized)
+ {
+ If(LEqual(DID3, 0)) {
+ Return (3)
+ } Else {
+ Return (And(0xffff, DID3))
+ }
+ }
+
+ /* Device Current Status */
+ Method(_DCS, 0)
+ {
+ TRAP(1)
+ If (And(CSTE, 4)) {
+ Return (0x1f)
+ }
+ Return(0x1d)
+ }
+
+ /* Query Device Graphics State */
+ Method(_DGS, 0)
+ {
+ If (And(NSTE, 4)) {
+ Return(1)
+ }
+ Return(0)
+ }
+
+ /* Device Set State */
+ Method(_DSS, 1)
+ {
+ /* If Parameter Arg0 is (1 << 31) | (1 << 30), the
+ * display switch was completed
+ */
+ If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) {
+ Store (NSTE, CSTE)
+ }
+ }
+ }
+
+
+ Device(DD04)
+ {
+ /* Device Unique ID */
+ Method(_ADR, 0, Serialized)
+ {
+ If(LEqual(DID4, 0)) {
+ Return (4)
+ } Else {
+ Return (And(0xffff, DID4))
+ }
+ }
+
+ /* Device Current Status */
+ Method(_DCS, 0)
+ {
+ TRAP(1)
+ If (And(CSTE, 8)) {
+ Return (0x1f)
+ }
+ Return(0x1d)
+ }
+
+ /* Query Device Graphics State */
+ Method(_DGS, 0)
+ {
+ If (And(NSTE, 4)) {
+ Return(1)
+ }
+ Return(0)
+ }
+
+ /* Device Set State */
+ Method(_DSS, 1)
+ {
+ /* If Parameter Arg0 is (1 << 31) | (1 << 30), the
+ * display switch was completed
+ */
+ If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) {
+ Store (NSTE, CSTE)
+ }
+ }
+ }
+
+
+ Device(DD05)
+ {
+ /* Device Unique ID */
+ Method(_ADR, 0, Serialized)
+ {
+ If(LEqual(DID5, 0)) {
+ Return (5)
+ } Else {
+ Return (And(0xffff, DID5))
+ }
+ }
+
+ /* Device Current Status */
+ Method(_DCS, 0)
+ {
+ TRAP(1)
+ If (And(CSTE, 16)) {
+ Return (0x1f)
+ }
+ Return(0x1d)
+ }
+
+ /* Query Device Graphics State */
+ Method(_DGS, 0)
+ {
+ If (And(NSTE, 4)) {
+ Return(1)
+ }
+ Return(0)
+ }
+
+ /* Device Set State */
+ Method(_DSS, 1)
+ {
+ /* If Parameter Arg0 is (1 << 31) | (1 << 30), the
+ * display switch was completed
+ */
+ If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) {
+ Store (NSTE, CSTE)
+ }
+ }
+ }
+}
diff --git a/src/northbridge/intel/pineview/acpi/peg.asl b/src/northbridge/intel/pineview/acpi/peg.asl
new file mode 100644
index 0000000..227ca27
--- /dev/null
+++ b/src/northbridge/intel/pineview/acpi/peg.asl
@@ -0,0 +1,41 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * 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; version 2 of
+ * the License.
+ *
+ * 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.
+ */
+
+Device (PEGP)
+{
+ Name (_ADR, 0x00010000)
+
+ // PCI Interrupt Routing.
+ Method (_PRT)
+ {
+ If (PICM) {
+ Return (Package() {
+ Package() { 0x0000ffff, 0, 0, 16 },
+ Package() { 0x0000ffff, 1, 0, 17 },
+ Package() { 0x0000ffff, 2, 0, 18 },
+ Package() { 0x0000ffff, 3, 0, 19 }
+ })
+ } Else {
+ Return (Package() {
+ Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
+ Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKB, 0 },
+ Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKC, 0 },
+ Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKD, 0 }
+ })
+ }
+
+ }
+}
diff --git a/src/northbridge/intel/pineview/acpi/pineview.asl b/src/northbridge/intel/pineview/acpi/pineview.asl
new file mode 100644
index 0000000..ff865bf
--- /dev/null
+++ b/src/northbridge/intel/pineview/acpi/pineview.asl
@@ -0,0 +1,78 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * 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; version 2 of
+ * the License.
+ *
+ * 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 "hostbridge.asl"
+#include "../pineview.h"
+
+/* PCI Device Resource Consumption */
+Device (PDRC)
+{
+ Name (_HID, EISAID("PNP0C02"))
+ Name (_UID, 1)
+
+ // This does not seem to work correctly yet - set values statically for
+ // now.
+
+ //Name (PDRS, ResourceTemplate() {
+ // Memory32Fixed(ReadWrite, 0x00000000, 0x00004000, RCRB) // RCBA
+ // Memory32Fixed(ReadWrite, 0x00000000, 0x00004000, MCHB) // MCHBAR
+ // Memory32Fixed(ReadWrite, 0x00000000, 0x00001000, DMIB) // DMIBAR
+ // Memory32Fixed(ReadWrite, 0x00000000, 0x00001000, EGPB) // EPBAR
+ // Memory32Fixed(ReadWrite, 0x00000000, 0x00000000, PCIE) // PCIE BAR
+ // Memory32Fixed(ReadWrite, 0xfed20000, 0x00070000, ICHB) // Misc ICH
+ //})
+
+ Name (PDRS, ResourceTemplate() {
+ Memory32Fixed(ReadWrite, 0xfed1c000, 0x00004000) // RCBA
+ Memory32Fixed(ReadWrite, DEFAULT_MCHBAR, 0x00004000)
+ Memory32Fixed(ReadWrite, DEFAULT_DMIBAR, 0x00001000)
+ Memory32Fixed(ReadWrite, DEFAULT_EPBAR, 0x00001000)
+ Memory32Fixed(ReadWrite, DEFAULT_PCIEXBAR, 0x04000000)
+ Memory32Fixed(ReadWrite, 0xfed20000, 0x00020000) // Misc ICH
+ Memory32Fixed(ReadWrite, 0xfed40000, 0x00005000) // Misc ICH
+ Memory32Fixed(ReadWrite, 0xfed45000, 0x0004b000) // Misc ICH
+ })
+
+ // Current Resource Settings
+ Method (_CRS, 0, Serialized)
+ {
+ //CreateDwordField(PDRS, ^RCRB._BAS, RBR0)
+ //ShiftLeft(\_SB.PCI0.LPCB.RCBA, 14, RBR0)
+
+ //CreateDwordField(PDRS, ^MCHB._BAS, MBR0)
+ //ShiftLeft(\_SB.PCI0.MCHC.MHBR, 14, MBR0)
+
+ //CreateDwordField(PDRS, ^DMIB._BAS, DBR0)
+ //ShiftLeft(\_SB.PCI0.MCHC.DMBR, 12, DBR0)
+
+ //CreateDwordField(PDRS, ^EGPB._BAS, EBR0)
+ //ShiftLeft(\_SB.PCI0.MCHC.EPBR, 12, EBR0)
+
+ //CreateDwordField(PDRS, ^PCIE._BAS, PBR0)
+ //ShiftLeft(\_SB.PCI0.MCHC.PXBR, 26, PBR0)
+
+ //CreateDwordField(PDRS, ^PCIE._LEN, PSZ0)
+ //ShiftLeft(0x10000000, \_SB.PCI0.MCHC.PXSZ, PSZ0)
+
+ Return(PDRS)
+ }
+}
+
+// PCIe graphics port 0:1.0
+#include "peg.asl"
+
+// Integrated graphics 0:2.0
+//#include "igd.asl"
diff --git a/src/northbridge/intel/pineview/bootblock.c b/src/northbridge/intel/pineview/bootblock.c
index 985eddd..a091b27 100644
--- a/src/northbridge/intel/pineview/bootblock.c
+++ b/src/northbridge/intel/pineview/bootblock.c
@@ -1,5 +1,4 @@
#include <arch/io.h>
-#include <northbridge/intel/pineview/pineview.h>
static void bootblock_northbridge_init(void)
{
@@ -18,5 +17,5 @@ static void bootblock_northbridge_init(void)
* 4GiB.
*/
reg = CONFIG_MMCONF_BASE_ADDRESS | 4 | 1; /* 64MiB - 0-63 buses. */
- pci_io_write_config32(PCI_DEV(0,0,0), PCIEXBAR, reg);
+ pci_io_write_config32(PCI_DEV(0,0,0), 0x60, reg);
}
diff --git a/src/northbridge/intel/pineview/chip.h b/src/northbridge/intel/pineview/chip.h
new file mode 100644
index 0000000..a620857
--- /dev/null
+++ b/src/northbridge/intel/pineview/chip.h
@@ -0,0 +1,8 @@
+#include <drivers/intel/gma/i915.h>
+
+struct northbridge_intel_pineview_config {
+ u32 gpu_hotplug;
+ u32 gpu_backlight;
+ int gpu_lvds_use_spread_spectrum_clock;
+ struct i915_gpu_controller_info gfx;
+};
diff --git a/src/northbridge/intel/pineview/early_init.c b/src/northbridge/intel/pineview/early_init.c
new file mode 100644
index 0000000..c57aafc
--- /dev/null
+++ b/src/northbridge/intel/pineview/early_init.c
@@ -0,0 +1,179 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Damien Zammit <damien at zamaudio.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <console/console.h>
+#include <arch/io.h>
+#include <device/pci_def.h>
+#include <cbmem.h>
+#include <halt.h>
+#include <string.h>
+#include <northbridge/intel/pineview/pineview.h>
+
+static void pineview_setup_bars(void)
+{
+ u8 reg8;
+ u16 reg16;
+ u32 reg32;
+
+ /* Setting up Southbridge. In the northbridge code. */
+ printk(BIOS_DEBUG, "Setting up static southbridge registers...");
+ pci_write_config32(PCI_DEV(0, 0x1f, 0), RCBA, (uintptr_t)DEFAULT_RCBA | 1);
+
+ pci_write_config32(PCI_DEV(0, 0x1f, 0), PMBASE, DEFAULT_PMBASE | 1);
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x44 /* ACPI_CNTL */ , 0x80); /* Enable ACPI BAR */
+
+ pci_write_config32(PCI_DEV(0, 0x1f, 0), GPIOBASE, DEFAULT_GPIOBASE | 1);
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x4c /* GC */ , 0x10); /* Enable GPIOs */
+
+ pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x88, 0x007c0291);
+
+ pci_write_config32(PCI_DEV(0, 0x1e, 0), 0x1b, 0x20);
+ printk(BIOS_DEBUG, " done.\n");
+
+ printk(BIOS_DEBUG, "Disabling Watchdog reboot...");
+ RCBA32(GCS) = RCBA32(GCS) | (1 << 5); /* No reset */
+ outw((1 << 11), DEFAULT_PMBASE | 0x60 | 0x08); /* halt timer */
+ printk(BIOS_DEBUG, " done.\n");
+
+ /* Enable upper 128bytes of CMOS */
+ RCBA32(0x3400) = (1 << 2);
+
+ /* Set up GPIO initially */
+ GPIO32(0x0) = 0x1ffde7c1;
+ GPIO32(0x30) = 0x7f;
+ GPIO32(0x4) = 0xe9e001;
+ GPIO32(0x34) = 0x7e;
+ GPIO32(0xc) = 0x4000000;
+ GPIO32(0x2c) = 0x2000;
+ GPIO32(0x18) = 0x0;
+ GPIO32(0xc) = 0xece9e802;
+
+ printk(BIOS_DEBUG, "Setting up static northbridge registers...");
+ /* Set up all hardcoded northbridge BARs */
+ pci_write_config8(PCI_DEV(0, 0x00, 0), 0x8, 0x69);
+
+ pci_write_config32(PCI_DEV(0, 0x00, 0), EPBAR, DEFAULT_EPBAR | 1);
+ pci_write_config32(PCI_DEV(0, 0x00, 0), MCHBAR, (uintptr_t)DEFAULT_MCHBAR | 1);
+ pci_write_config32(PCI_DEV(0, 0x00, 0), DMIBAR, (uintptr_t)DEFAULT_DMIBAR | 1);
+ pci_write_config32(PCI_DEV(0, 0x00, 0), PMIOBAR, (uintptr_t)0x400 | 1);
+
+
+ reg32 = MCHBAR32(0x30);
+ MCHBAR32(0x30) = 0x21800;
+ DMIBAR32(0x2c) = 0x86000040;
+ pci_write_config8(PCI_DEV(0, 0x00, 0), DEVEN, 0x09);
+ pci_write_config32(PCI_DEV(0, 0x1e, 0), 0x18, 0x00020200);
+ pci_write_config32(PCI_DEV(0, 0x1e, 0), 0x18, 0x00000000);
+ reg8 = pci_read_config8(PCI_DEV(0, 0x00, 0), 0xe5); // 0x10
+ reg16 = pci_read_config16(PCI_DEV(0, 0x02, 0), 0x0); // 0x8086
+
+ reg16 = pci_read_config16(PCI_DEV(0, 0x00, 0), GGC);
+ pci_write_config16(PCI_DEV(0, 0x00, 0), GGC, 0x130);
+ reg16 = pci_read_config16(PCI_DEV(0, 0x00, 0), GGC);
+ pci_write_config16(PCI_DEV(0, 0x00, 0), GGC, 0x130);
+ MCHBAR8(0xb08) = 0x20;
+ reg8 = pci_read_config8(PCI_DEV(0, 0x00, 0), 0xe6); // 0x11
+ reg16 = MCHBAR16(0xc8c);
+ MCHBAR16(0xc8c) = reg16 | 0x0200;
+ reg8 = MCHBAR8(0xc8c);
+ MCHBAR8(0xc8c) = reg8;
+ MCHBAR8(0xc8c) = 0x12;
+ pci_write_config8(PCI_DEV(0, 0x02, 0), 0x62, 0x02);
+ pci_write_config16(PCI_DEV(0, 0x02, 0), 0xe8, 0x8000);
+ MCHBAR32(0x3004) = 0x48000000;
+ MCHBAR32(0x3008) = 0xfffffe00;
+ MCHBAR32(0xb08) = 0x06028220;
+ MCHBAR32(0xff4) = 0xc6db8b5f;
+ MCHBAR16(0xff8) = 0x024f;
+
+ // PLL Voltage controlled oscillator
+ //MCHBAR8(0xc38) = 0x04;
+
+ pci_write_config16(PCI_DEV(0, 0x02, 0), 0xcc, 0x014d);
+ reg32 = MCHBAR32(0x40);
+ MCHBAR32(0x40) = 0x0;
+ reg32 = MCHBAR32(0x40);
+ MCHBAR32(0x40) = 0x8;
+
+ // POST 0x13
+
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x8, 0x1d);
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x8, 0x0);
+ RCBA32(0x3410) = 0x00020465;
+ RCBA32(0x88) = 0x0011d000;
+ RCBA32(0x1fc) = 0x60f;
+ RCBA32(0x1f4) = 0x86000040;
+ RCBA32(0x214) = 0x10030509;
+ RCBA32(0x218) = 0x00020504;
+ RCBA32(0x220) = 0xc5;
+ RCBA32(0x3430) = 0x1;
+ RCBA32(0x2027) = 0x38f6a70d;
+ RCBA16(0x3e08) = 0x0080;
+ RCBA16(0x3e48) = 0x0080;
+ RCBA32(0x3e0e) = 0x00000080;
+ RCBA32(0x3e4e) = 0x00000080;
+ RCBA32(0x2034) = 0xb24577cc;
+ RCBA32(0x1c) = 0x03128010;
+ RCBA32(0x2010) = 0x400;
+ RCBA32(0x3400) = 0x4;
+ RCBA32(0x2080) = 0x18006007;
+ RCBA32(0x20a0) = 0x18006007;
+ RCBA32(0x20c0) = 0x18006007;
+ RCBA32(0x20e0) = 0x18006007;
+
+ pci_write_config32(PCI_DEV(0, 0x1d, 0), 0xca, 0x1);
+ pci_write_config32(PCI_DEV(0, 0x1d, 1), 0xca, 0x1);
+ pci_write_config32(PCI_DEV(0, 0x1d, 2), 0xca, 0x1);
+ pci_write_config32(PCI_DEV(0, 0x1d, 3), 0xca, 0x1);
+
+ RCBA32(0x3100) = 0x42210;
+ RCBA32(0x3108) = 0x10004321;
+ RCBA32(0x310c) = 0x00214321;
+ RCBA32(0x3110) = 0x1;
+ RCBA32(0x3140) = 0x01460132;
+ RCBA32(0x3142) = 0x02370146;
+ RCBA32(0x3144) = 0x32010237;
+ RCBA32(0x3146) = 0x01463201;
+ RCBA32(0x3148) = 0x146;
+
+ /* Set C0000-FFFFF to access RAM on both reads and writes */
+ pci_write_config8(PCI_DEV(0, 0x00, 0), PAM0, 0x30);
+ pci_write_config8(PCI_DEV(0, 0x00, 0), PAM1, 0x33);
+ pci_write_config8(PCI_DEV(0, 0x00, 0), PAM2, 0x33);
+ pci_write_config8(PCI_DEV(0, 0x00, 0), PAM3, 0x33);
+ pci_write_config8(PCI_DEV(0, 0x00, 0), PAM4, 0x33);
+ pci_write_config8(PCI_DEV(0, 0x00, 0), PAM5, 0x33);
+ pci_write_config8(PCI_DEV(0, 0x00, 0), PAM6, 0x33);
+
+ pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, SKPAD_NORMAL_BOOT_MAGIC);
+ printk(BIOS_DEBUG, " done.\n");
+}
+
+void pineview_early_initialization(void)
+{
+ /* Print some chipset specific information */
+ printk(BIOS_DEBUG, "Intel Pineview northbridge\n");
+
+ /* Setup all BARs required for early PCIe and raminit */
+ pineview_setup_bars();
+
+ /* Change port80 to LPC */
+ RCBA32(GCS) &= (~0x04);
+
+ /* Just do it that way */
+ RCBA32(0x2010) |= (1 << 10);
+}
diff --git a/src/northbridge/intel/pineview/gma.c b/src/northbridge/intel/pineview/gma.c
new file mode 100644
index 0000000..eca59e9
--- /dev/null
+++ b/src/northbridge/intel/pineview/gma.c
@@ -0,0 +1,552 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 <bootmode.h>
+#include <delay.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <pc80/mc146818rtc.h>
+#include <edid.h>
+#include <drivers/intel/gma/edid.h>
+#include <drivers/intel/gma/i915.h>
+#include <string.h>
+#include <pc80/vga.h>
+#include <pc80/vga_io.h>
+
+#include "chip.h"
+#include "pineview.h"
+
+#define GDRST 0xc0
+
+#define LVDS_CLOCK_A_POWERUP_ALL (3 << 8)
+#define LVDS_CLOCK_B_POWERUP_ALL (3 << 4)
+#define LVDS_CLOCK_BOTH_POWERUP_ALL (3 << 2)
+#define DISPPLANE_BGRX888 (0x6<<26)
+#define DPLLB_LVDS_P2_CLOCK_DIV_7 (1 << 24) /* i915 */
+
+#define DPLL_INTEGRATED_CRI_CLK_VLV (1<<14)
+
+#define PGETBL_CTL 0x2020
+#define PGETBL_ENABLED 0x00000001
+
+#define BASE_FREQUENCY 120000
+
+#if CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT
+
+static int gtt_setup(void *mmiobase)
+{
+ unsigned long PGETBL_save;
+ unsigned long tom; // top of memory
+
+ /*
+ * The Video BIOS places the GTT right below top of memory.
+ */
+ tom = pci_read_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), TOLUD) << 24;
+ PGETBL_save = tom - 256 * KiB;
+ PGETBL_save |= PGETBL_ENABLED;
+ PGETBL_save |= 2; /* set GTT to 256kb */
+
+ write32(mmiobase + GFX_FLSH_CNTL, 0);
+
+ write32(mmiobase + PGETBL_CTL, PGETBL_save);
+
+ /* verify */
+ if (read32(mmiobase + PGETBL_CTL) & PGETBL_ENABLED) {
+ printk(BIOS_DEBUG, "gtt_setup is enabled.\n");
+ } else {
+ printk(BIOS_DEBUG, "gtt_setup failed!!!\n");
+ return 1;
+ }
+ write32(mmiobase + GFX_FLSH_CNTL, 0);
+
+ return 0;
+}
+
+static int intel_gma_init(struct northbridge_intel_pineview_config *conf,
+ unsigned int pphysbase, unsigned int piobase,
+ void *pmmio, unsigned int pgfx)
+{
+ struct edid edid;
+ struct edid_mode *mode;
+ u8 edid_data[128];
+ unsigned long temp;
+ int hpolarity, vpolarity;
+ u32 candp1, candn;
+ u32 best_delta = 0xffffffff;
+ u32 target_frequency;
+ u32 pixel_p1 = 1;
+ u32 pixel_n = 1;
+ u32 pixel_m1 = 1;
+ u32 pixel_m2 = 1;
+ u32 hactive, vactive, right_border, bottom_border;
+ u32 vsync, hsync, vblank, hblank, hfront_porch, vfront_porch;
+ u32 i, j;
+ u32 uma_size;
+ u16 reg16;
+
+ printk(BIOS_SPEW,
+ "i915lightup: graphics %p mmio %p addrport %04x physbase %08x\n",
+ (void *)pgfx, pmmio, piobase, pphysbase);
+
+ intel_gmbus_read_edid(pmmio + GMBUS0, 3, 0x50, edid_data, 128);
+ decode_edid(edid_data, sizeof(edid_data), &edid);
+ mode = &edid.mode;
+
+ hpolarity = (mode->phsync == '-');
+ vpolarity = (mode->pvsync == '-');
+ hactive = edid.x_resolution;
+ vactive = edid.y_resolution;
+ right_border = mode->hborder;
+ bottom_border = mode->vborder;
+ vblank = mode->vbl;
+ hblank = mode->hbl;
+ vsync = mode->vspw;
+ hsync = mode->hspw;
+ hfront_porch = mode->hso;
+ vfront_porch = mode->vso;
+
+ for (i = 0; i < 2; i++)
+ for (j = 0; j < 0x100; j++)
+ /* R=j, G=j, B=j. */
+ write32(pmmio + PALETTE(i) + 4 * j, 0x10101 * j);
+
+ write32(pmmio + PCH_PP_CONTROL, PANEL_UNLOCK_REGS
+ | (read32(pmmio + PCH_PP_CONTROL) & ~PANEL_UNLOCK_MASK));
+
+ write32(pmmio + MI_ARB_STATE, MI_ARB_C3_LP_WRITE_ENABLE | (1 << 27));
+ /* Clean registers. */
+ for (i = 0; i < 0x20; i += 4)
+ write32(pmmio + RENDER_RING_BASE + i, 0);
+ for (i = 0; i < 0x20; i += 4)
+ write32(pmmio + FENCE_REG_965_0 + i, 0);
+ write32(pmmio + PP_ON_DELAYS, 0);
+ write32(pmmio + PP_OFF_DELAYS, 0);
+
+ /* Disable VGA. */
+ write32(pmmio + VGACNTRL, VGA_DISP_DISABLE);
+
+ /* Disable pipes. */
+ write32(pmmio + PIPECONF(0), 0);
+ write32(pmmio + PIPECONF(1), 0);
+
+ /* Init PRB0. */
+ write32(pmmio + HWS_PGA, 0x352d2000);
+ write32(pmmio + PRB0_CTL, 0);
+ write32(pmmio + PRB0_HEAD, 0);
+ write32(pmmio + PRB0_TAIL, 0);
+ write32(pmmio + PRB0_START, 0);
+ write32(pmmio + PRB0_CTL, 0x0001f001);
+
+ write32(pmmio + D_STATE, DSTATE_PLL_D3_OFF
+ | DSTATE_GFX_CLOCK_GATING | DSTATE_DOT_CLOCK_GATING);
+ write32(pmmio + ECOSKPD, 0x00010000);
+ write32(pmmio + HWSTAM, 0xeffe);
+ write32(pmmio + PORT_HOTPLUG_EN, conf->gpu_hotplug);
+ write32(pmmio + INSTPM, 0x08000000 | INSTPM_AGPBUSY_DIS);
+
+ target_frequency = mode->lvds_dual_channel ? mode->pixel_clock
+ : (2 * mode->pixel_clock);
+
+ /* Find suitable divisors. */
+ for (candp1 = 1; candp1 <= 8; candp1++) {
+ for (candn = 5; candn <= 10; candn++) {
+ u32 cur_frequency;
+ u32 m; /* 77 - 131. */
+ u32 denom; /* 35 - 560. */
+ u32 current_delta;
+
+ denom = candn * candp1 * 7;
+ /* Doesnt overflow for up to
+ 5000000 kHz = 5 GHz. */
+ m = (target_frequency * denom
+ + BASE_FREQUENCY / 2) / BASE_FREQUENCY;
+
+ if (m < 77 || m > 131)
+ continue;
+
+ cur_frequency = (BASE_FREQUENCY * m) / denom;
+ if (target_frequency > cur_frequency)
+ current_delta = target_frequency - cur_frequency;
+ else
+ current_delta = cur_frequency - target_frequency;
+
+ if (best_delta > current_delta) {
+ best_delta = current_delta;
+ pixel_n = candn;
+ pixel_p1 = candp1;
+ pixel_m2 = ((m + 3) % 5) + 7;
+ pixel_m1 = (m - pixel_m2) / 5;
+ }
+ }
+ }
+
+ if (best_delta == 0xffffffff) {
+ printk (BIOS_ERR, "Couldn't find GFX clock divisors\n");
+ return -1;
+ }
+
+ printk(BIOS_INFO, "bringing up panel at resolution %d x %d\n",
+ hactive, vactive);
+ printk(BIOS_DEBUG, "Borders %d x %d\n", right_border, bottom_border);
+ printk(BIOS_DEBUG, "Blank %d x %d\n", hblank, vblank);
+ printk(BIOS_DEBUG, "Sync %d x %d\n", hsync, vsync);
+ printk(BIOS_DEBUG, "Front porch %d x %d\n", hfront_porch, vfront_porch);
+ printk(BIOS_DEBUG, (conf->gpu_lvds_use_spread_spectrum_clock
+ ? "Spread spectrum clock\n"
+ : "DREF clock\n"));
+ printk(BIOS_DEBUG, (mode->lvds_dual_channel
+ ? "Dual channel\n"
+ : "Single channel\n"));
+ printk(BIOS_DEBUG, "Polarities %d, %d\n",
+ hpolarity, vpolarity);
+ printk(BIOS_DEBUG, "Pixel N=%d, M1=%d, M2=%d, P1=%d\n",
+ pixel_n, pixel_m1, pixel_m2, pixel_p1);
+ printk(BIOS_DEBUG, "Pixel clock %d kHz\n",
+ BASE_FREQUENCY * (5 * pixel_m1 + pixel_m2) / pixel_n
+ / (pixel_p1 * 7));
+
+#if !IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
+ write32(pmmio + PF_WIN_SZ(0), vactive | (hactive << 16));
+ write32(pmmio + PF_WIN_POS(0), 0);
+ write32(pmmio + PF_CTL(0),PF_ENABLE | PF_FILTER_MED_3x3);
+ write32(pmmio + PFIT_CONTROL, PFIT_ENABLE | (1 << PFIT_PIPE_SHIFT) | HORIZ_AUTO_SCALE | VERT_AUTO_SCALE);
+#else
+ /* Disable panel fitter (we're in native resolution). */
+ write32(pmmio + PF_CTL(0), 0);
+ write32(pmmio + PF_WIN_SZ(0), 0);
+ write32(pmmio + PF_WIN_POS(0), 0);
+ write32(pmmio + PFIT_PGM_RATIOS, 0);
+ write32(pmmio + PFIT_CONTROL, 0);
+#endif
+
+ mdelay(1);
+
+ write32(pmmio + DSPCNTR(0), DISPPLANE_BGRX888
+ | DISPPLANE_SEL_PIPE_B | DISPPLANE_GAMMA_ENABLE);
+
+ mdelay(1);
+ write32(pmmio + PP_CONTROL, PANEL_UNLOCK_REGS
+ | (read32(pmmio + PP_CONTROL) & ~PANEL_UNLOCK_MASK));
+ write32(pmmio + FP0(1),
+ ((pixel_n - 2) << 16)
+ | ((pixel_m1 - 2) << 8) | pixel_m2);
+ write32(pmmio + DPLL(1),
+ DPLL_VGA_MODE_DIS |
+ DPLL_VCO_ENABLE | DPLLB_MODE_LVDS
+ | (mode->lvds_dual_channel ? DPLLB_LVDS_P2_CLOCK_DIV_7
+ : DPLLB_LVDS_P2_CLOCK_DIV_14)
+ | (conf->gpu_lvds_use_spread_spectrum_clock
+ ? DPLL_INTEGRATED_CLOCK_VLV | DPLL_INTEGRATED_CRI_CLK_VLV
+ : 0)
+ | (pixel_p1 << 16)
+ | (pixel_p1));
+ mdelay(1);
+ write32(pmmio + DPLL(1),
+ DPLL_VGA_MODE_DIS |
+ DPLL_VCO_ENABLE | DPLLB_MODE_LVDS
+ | (mode->lvds_dual_channel ? DPLLB_LVDS_P2_CLOCK_DIV_7
+ : DPLLB_LVDS_P2_CLOCK_DIV_14)
+ | ((conf->gpu_lvds_use_spread_spectrum_clock ? 3 : 0) << 13)
+ | (pixel_p1 << 16)
+ | (pixel_p1));
+ mdelay(1);
+ write32(pmmio + HTOTAL(1),
+ ((hactive + right_border + hblank - 1) << 16)
+ | (hactive - 1));
+ write32(pmmio + HBLANK(1),
+ ((hactive + right_border + hblank - 1) << 16)
+ | (hactive + right_border - 1));
+ write32(pmmio + HSYNC(1),
+ ((hactive + right_border + hfront_porch + hsync - 1) << 16)
+ | (hactive + right_border + hfront_porch - 1));
+
+ write32(pmmio + VTOTAL(1), ((vactive + bottom_border + vblank - 1) << 16)
+ | (vactive - 1));
+ write32(pmmio + VBLANK(1), ((vactive + bottom_border + vblank - 1) << 16)
+ | (vactive + bottom_border - 1));
+ write32(pmmio + VSYNC(1),
+ (vactive + bottom_border + vfront_porch + vsync - 1)
+ | (vactive + bottom_border + vfront_porch - 1));
+
+#if !IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
+ write32(pmmio + PIPESRC(1), (639 << 16) | 399);
+#else
+ write32(pmmio + PIPESRC(1), ((hactive - 1) << 16) | (vactive - 1));
+#endif
+ mdelay(1);
+
+ write32(pmmio + DSPSIZE(0), (hactive - 1) | ((vactive - 1) << 16));
+ write32(pmmio + DSPPOS(0), 0);
+
+ /* Backlight init. */
+ write32(pmmio + FW_BLC_SELF, FW_BLC_SELF_EN_MASK);
+ write32(pmmio + FW_BLC, 0x011d011a);
+ write32(pmmio + FW_BLC2, 0x00000102);
+ write32(pmmio + FW_BLC_SELF, FW_BLC_SELF_EN_MASK);
+ write32(pmmio + FW_BLC_SELF, 0x0001003f);
+ write32(pmmio + FW_BLC, 0x011d0109);
+ write32(pmmio + FW_BLC2, 0x00000102);
+ write32(pmmio + FW_BLC_SELF, FW_BLC_SELF_EN_MASK);
+ write32(pmmio + BLC_PWM_CTL, conf->gpu_backlight);
+
+ edid.bytes_per_line = (edid.bytes_per_line + 63) & ~63;
+ write32(pmmio + DSPADDR(0), 0);
+ write32(pmmio + DSPSURF(0), 0);
+ write32(pmmio + DSPSTRIDE(0), edid.bytes_per_line);
+ write32(pmmio + DSPCNTR(0), DISPLAY_PLANE_ENABLE | DISPPLANE_BGRX888
+ | DISPPLANE_SEL_PIPE_B | DISPPLANE_GAMMA_ENABLE);
+ mdelay(1);
+
+ write32(pmmio + PIPECONF(1), PIPECONF_ENABLE);
+ write32(pmmio + LVDS, LVDS_ON
+ | (hpolarity << 20) | (vpolarity << 21)
+ | (mode->lvds_dual_channel ? LVDS_CLOCK_B_POWERUP_ALL
+ | LVDS_CLOCK_BOTH_POWERUP_ALL : 0)
+ | LVDS_CLOCK_A_POWERUP_ALL
+ | LVDS_PIPE(1));
+
+ write32(pmmio + PP_CONTROL, PANEL_UNLOCK_REGS | PANEL_POWER_OFF);
+ write32(pmmio + PP_CONTROL, PANEL_UNLOCK_REGS | PANEL_POWER_RESET);
+ mdelay(1);
+ write32(pmmio + PP_CONTROL, PANEL_UNLOCK_REGS
+ | PANEL_POWER_ON | PANEL_POWER_RESET);
+
+ printk (BIOS_DEBUG, "waiting for panel powerup\n");
+ while (1) {
+ u32 reg32;
+ reg32 = read32(pmmio + PP_STATUS);
+ if ((reg32 & PP_SEQUENCE_MASK) == PP_SEQUENCE_NONE)
+ break;
+ }
+ printk (BIOS_DEBUG, "panel powered up\n");
+
+ write32(pmmio + PP_CONTROL, PANEL_POWER_ON | PANEL_POWER_RESET);
+
+ /* Clear interrupts. */
+ write32(pmmio + DEIIR, 0xffffffff);
+ write32(pmmio + SDEIIR, 0xffffffff);
+ write32(pmmio + IIR, 0xffffffff);
+ write32(pmmio + IMR, 0xffffffff);
+ write32(pmmio + EIR, 0xffffffff);
+
+ if (gtt_setup(pmmio)) {
+ printk(BIOS_ERR, "ERROR: GTT Setup Failed!!!\n");
+ return 0;
+ }
+
+ /* Setup GTT. */
+
+ reg16 = pci_read_config16(dev_find_slot(0, PCI_DEVFN(0, 0)), GGC);
+ uma_size = 0;
+ if (!(reg16 & 2)) {
+ reg16 >>= 4;
+ reg16 &= 7;
+ switch (reg16) {
+ case 1:
+ uma_size = 1024;
+ break;
+ case 3:
+ uma_size = 8192;
+ break;
+ }
+
+ printk(BIOS_DEBUG, "%dM UMA\n", uma_size >> 10);
+ }
+
+ for (i = 0; i < (uma_size - 256) / 4; i++)
+ {
+ outl((i << 2) | 1, piobase);
+ outl(pphysbase + (i << 12) + 1, piobase + 4);
+ }
+
+ temp = read32(pmmio + PGETBL_CTL);
+ printk(BIOS_INFO, "GTT PGETBL_CTL register: 0x%lx\n", temp);
+
+ if (temp & 1)
+ printk(BIOS_INFO, "GTT Enabled\n");
+ else
+ printk(BIOS_ERR, "ERROR: GTT is still Disabled!!!\n");
+
+#if !IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
+ vga_misc_write(0x67);
+
+ write32(pmmio + DSPCNTR(0), DISPPLANE_SEL_PIPE_B);
+
+ write32(pmmio + VGACNTRL, 0x02c4008e | VGA_PIPE_B_SELECT);
+
+ vga_textmode_init();
+#else
+ printk(BIOS_SPEW, "memset %p to 0x00 for %d bytes\n",
+ (void *)pgfx, hactive * vactive * 4);
+ memset((void *)pgfx, 0x00, hactive * vactive * 4);
+
+ set_vbe_mode_info_valid(&edid, pgfx);
+#endif
+ return 0;
+}
+#endif
+
+static void gma_func0_init(struct device *dev)
+{
+ u32 reg32;
+
+ /* Unconditionally reset graphics */
+ pci_write_config8(dev, GDRST, 1);
+ udelay(50);
+ pci_write_config8(dev, GDRST, 0);
+ /* wait for device to finish */
+ while (pci_read_config8(dev, GDRST) & 1) { };
+
+ /* IGD needs to be Bus Master */
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER
+ | PCI_COMMAND_IO | PCI_COMMAND_MEMORY);
+
+#if !CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT
+ /* PCI Init, will run VBIOS */
+ pci_dev_init(dev);
+#endif
+
+
+#if CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT
+ /* This should probably run before post VBIOS init. */
+ printk(BIOS_SPEW, "Initializing VGA without OPROM.\n");
+ void *mmiobase;
+ u32 iobase, graphics_base;
+ struct northbridge_intel_pineview_config *conf = dev->chip_info;
+
+ iobase = dev->resource_list[1].base;
+ mmiobase = (void *)(uintptr_t)dev->resource_list[0].base;
+ graphics_base = dev->resource_list[2].base;
+
+ printk(BIOS_SPEW, "GMADR=0x%08x GTTADR=0x%08x\n",
+ pci_read_config32(dev, GMADR),
+ pci_read_config32(dev, GTTADR)
+ );
+
+ int err;
+ err = intel_gma_init(conf, pci_read_config32(dev, 0x5c) & ~0xf,
+ iobase, mmiobase, graphics_base);
+ if (err == 0)
+ gfx_set_init_done(1);
+#endif
+}
+
+/* This doesn't reclaim stolen UMA memory, but IGD could still
+ be reenabled later. */
+static void gma_func0_disable(struct device *dev)
+{
+ struct device *dev_host = dev_find_slot(0, PCI_DEVFN(0x0, 0));
+
+ pci_write_config16(dev, GCFC, 0xa00);
+ pci_write_config16(dev_host, GGC, (1 << 1));
+
+ unsigned int reg32 = pci_read_config32(dev_host, DEVEN);
+ reg32 &= ~(DEVEN_D2F0 | DEVEN_D2F1);
+ pci_write_config32(dev_host, DEVEN, reg32);
+
+ dev->enabled = 0;
+}
+
+static void gma_func1_init(struct device *dev)
+{
+ u32 reg32;
+
+ /* IGD needs to be Bus Master, also enable IO accesss */
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ pci_write_config32(dev, PCI_COMMAND, reg32 |
+ PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
+
+ /* Permanently set tft_brightness to 0xff. Ignore nvramtool configuration */
+ pci_write_config8(dev, 0xf4, 0xff);
+}
+
+static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+ if (!vendor || !device) {
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ pci_read_config32(dev, PCI_VENDOR_ID));
+ } else {
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ ((device & 0xffff) << 16) | (vendor & 0xffff));
+ }
+}
+
+const struct i915_gpu_controller_info *
+intel_gma_get_controller_info(void)
+{
+ device_t dev = dev_find_slot(0, PCI_DEVFN(0x2,0));
+ if (!dev) {
+ return NULL;
+ }
+ struct northbridge_intel_pineview_config *chip = dev->chip_info;
+ if (!chip) {
+ return NULL;
+ }
+ return &chip->gfx;
+}
+
+static void gma_ssdt(device_t device)
+{
+ const struct i915_gpu_controller_info *gfx = intel_gma_get_controller_info();
+ if (!gfx) {
+ return;
+ }
+
+ drivers_intel_gma_displays_ssdt_generate(gfx);
+}
+
+static struct pci_operations gma_pci_ops = {
+ .set_subsystem = gma_set_subsystem,
+};
+
+static struct device_operations gma_func0_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = gma_func0_init,
+ .acpi_fill_ssdt_generator = gma_ssdt,
+ .scan_bus = 0,
+ .enable = 0,
+ .disable = gma_func0_disable,
+ .ops_pci = &gma_pci_ops,
+};
+
+
+static struct device_operations gma_func1_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = gma_func1_init,
+ .scan_bus = 0,
+ .enable = 0,
+ .ops_pci = &gma_pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = { 0x27a2, 0x27ae, 0 };
+
+static const struct pci_driver i945_gma_func0_driver __pci_driver = {
+ .ops = &gma_func0_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .devices = pci_device_ids,
+};
+
+static const struct pci_driver i945_gma_func1_driver __pci_driver = {
+ .ops = &gma_func1_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = 0x27a6,
+};
diff --git a/src/northbridge/intel/pineview/northbridge.c b/src/northbridge/intel/pineview/northbridge.c
new file mode 100644
index 0000000..f19ce6f
--- /dev/null
+++ b/src/northbridge/intel/pineview/northbridge.c
@@ -0,0 +1,286 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2015 Damien Zammit <damien at zamaudio.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 <arch/io.h>
+#include <stdint.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/hypertransport.h>
+#include <stdlib.h>
+#include <string.h>
+#include <cpu/cpu.h>
+#include <boot/tables.h>
+#include <arch/acpi.h>
+#include <cbmem.h>
+#include "pineview.h"
+#include "arch/acpi.h"
+
+/* Reserve segments A and B:
+ *
+ * 0xa0000 - 0xbffff: legacy VGA
+ */
+static const int legacy_hole_base_k = 0xa0000 / 1024;
+static const int legacy_hole_size_k = 128;
+
+static int decode_pcie_bar(u32 *const base, u32 *const len)
+{
+ *base = 0;
+ *len = 0;
+
+ const device_t dev = dev_find_slot(0, PCI_DEVFN(0, 0));
+ if (!dev)
+ return 0;
+
+ const u32 pciexbar_reg = pci_read_config32(dev, PCIEXBAR);
+
+ if (!(pciexbar_reg & (1 << 0)))
+ return 0;
+
+ switch ((pciexbar_reg >> 1) & 3) {
+ case 0: /* 256MB */
+ *base = pciexbar_reg & (0x0f << 28);
+ *len = 256 * 1024 * 1024;
+ return 1;
+ case 1: /* 128M */
+ *base = pciexbar_reg & (0x1f << 27);
+ *len = 128 * 1024 * 1024;
+ return 1;
+ case 2: /* 64M */
+ *base = pciexbar_reg & (0x3f << 26);
+ *len = 64 * 1024 * 1024;
+ return 1;
+ }
+
+ return 0;
+}
+
+static void mch_domain_read_resources(device_t dev)
+{
+ u64 tom, touud;
+ u32 tomk, tolud, uma_sizek = 0, usable_tomk;
+ u32 pcie_config_base, pcie_config_size;
+
+ /* Total Memory 2GB example:
+ *
+ * 00000000 0000MB-2014MB 2014MB RAM (writeback)
+ * 7de00000 2014MB-2016MB 2MB GFX GTT (uncached)
+ * 7e000000 2016MB-2048MB 32MB GFX UMA (uncached)
+ * 80000000 2048MB TOLUD
+ * 80000000 2048MB TOM
+ *
+ * Total Memory 4GB example:
+ *
+ * 00000000 0000MB-3038MB 3038MB RAM (writeback)
+ * bde00000 3038MB-3040MB 2MB GFX GTT (uncached)
+ * be000000 3040MB-3072MB 32MB GFX UMA (uncached)
+ * be000000 3072MB TOLUD
+ * 100000000 4096MB TOM
+ * 100000000 4096MB-5120MB 1024MB RAM (writeback)
+ * 140000000 5120MB TOUUD
+ */
+
+ pci_domain_read_resources(dev);
+
+ /* Top of Upper Usable DRAM, including remap */
+ touud = pci_read_config16(dev, 0xa2);
+ touud <<= 20;
+
+ /* Top of Lower Usable DRAM */
+ tolud = pci_read_config16(dev, 0xb0) & 0xfff0;
+ tolud <<= 16;
+
+ /* Top of Memory - does not account for any UMA */
+ tom = pci_read_config16(dev, 0xa0) & 0x1ff;
+ tom <<= 27;
+
+ printk(BIOS_DEBUG, "TOUUD 0x%llx TOLUD 0x%08x TOM 0x%llx\n",
+ touud, tolud, tom);
+
+ tomk = tolud >> 10;
+
+ /* Graphics memory comes next */
+ const u16 ggc = pci_read_config16(dev, GGC);
+
+ /* Graphics memory */
+ const u32 gms_sizek = decode_igd_memory_size((ggc >> 4) & 0xf);
+ printk(BIOS_DEBUG, "%uM UMA", gms_sizek >> 10);
+ tomk -= gms_sizek;
+
+ /* GTT Graphics Stolen Memory Size (GGMS) */
+ const u32 gsm_sizek = decode_igd_gtt_size((ggc >> 8) & 0xf);
+ printk(BIOS_DEBUG, " and %uM GTT\n", gsm_sizek >> 10);
+ tomk -= gsm_sizek;
+
+ uma_sizek = gms_sizek + gsm_sizek;
+
+ usable_tomk = ALIGN_DOWN(tomk, 64 << 10);
+ if (tomk - usable_tomk > (16 << 10))
+ usable_tomk = tomk;
+
+ printk(BIOS_INFO, "Available memory below 4GB: %uM\n", usable_tomk >> 10);
+
+ /* Report the memory regions */
+ ram_resource(dev, 3, 0, legacy_hole_base_k);
+ ram_resource(dev, 4, legacy_hole_base_k + legacy_hole_size_k,
+ (usable_tomk - (legacy_hole_base_k + legacy_hole_size_k)));
+
+ mmio_resource(dev, 5, legacy_hole_base_k,
+ (0xc0000 >> 10) - legacy_hole_base_k);
+
+ /*
+ * If >= 4GB installed then memory from TOLUD to 4GB
+ * is remapped above TOM, TOUUD will account for both
+ */
+ touud >>= 10; /* Convert to KB */
+ if (touud > 4096 * 1024) {
+ ram_resource(dev, 6, 4096 * 1024, touud - (4096 * 1024));
+ printk(BIOS_INFO, "Available memory above 4GB: %lluM\n",
+ (touud >> 10) - 4096);
+ }
+
+ printk(BIOS_DEBUG, "Adding UMA memory area base=0x%llx "
+ "size=0x%llx\n", ((u64)tomk) << 10, ((u64)uma_sizek) << 10);
+ /* Don't use uma_resource() as our UMA touches the PCI hole. */
+ fixed_mem_resource(dev, 7, tomk, uma_sizek, IORESOURCE_RESERVE);
+
+ if (decode_pcie_bar(&pcie_config_base, &pcie_config_size)) {
+ printk(BIOS_DEBUG, "Adding PCIe config bar base=0x%08x "
+ "size=0x%x\n", pcie_config_base, pcie_config_size);
+ fixed_mem_resource(dev, 8, pcie_config_base >> 10,
+ pcie_config_size >> 10, IORESOURCE_RESERVE);
+ }
+
+ set_top_of_ram(tomk << 10);
+}
+
+static void mch_domain_set_resources(device_t dev)
+{
+ struct resource *resource;
+ int i;
+
+ for (i = 3; i < 9; ++i) {
+ /* Report read resources. */
+ resource = probe_resource(dev, i);
+ if (resource)
+ report_resource_stored(dev, resource, "");
+ }
+
+ assign_resources(dev->link_list);
+}
+
+static void mch_domain_init(device_t dev)
+{
+ u32 reg32;
+
+ /* Enable SERR */
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ reg32 |= PCI_COMMAND_SERR;
+ pci_write_config32(dev, PCI_COMMAND, reg32);
+}
+
+static struct device_operations pci_domain_ops = {
+ .read_resources = mch_domain_read_resources,
+ .set_resources = mch_domain_set_resources,
+ .enable_resources = NULL,
+ .init = mch_domain_init,
+ .scan_bus = pci_domain_scan_bus,
+ .ops_pci_bus = pci_bus_default_ops,
+};
+
+static void cpu_bus_init(device_t dev)
+{
+ initialize_cpus(dev->link_list);
+}
+
+static struct device_operations cpu_bus_ops = {
+ .read_resources = DEVICE_NOOP,
+ .set_resources = DEVICE_NOOP,
+ .enable_resources = DEVICE_NOOP,
+ .init = cpu_bus_init,
+ .scan_bus = 0,
+};
+
+
+static void enable_dev(device_t dev)
+{
+ /* Set the operations if it is a special bus type */
+ if (dev->path.type == DEVICE_PATH_DOMAIN) {
+ dev->ops = &pci_domain_ops;
+#if CONFIG_HAVE_ACPI_RESUME
+ switch (pci_read_config32(dev_find_slot(0, PCI_DEVFN(0, 0)), /*D0F0_SKPD*/0xdc)) {
+ case SKPAD_NORMAL_BOOT_MAGIC:
+ printk(BIOS_DEBUG, "Normal boot.\n");
+ acpi_slp_type=0;
+ break;
+ case SKPAD_ACPI_S3_MAGIC:
+ printk(BIOS_DEBUG, "S3 Resume.\n");
+ acpi_slp_type=3;
+ break;
+ default:
+ printk(BIOS_DEBUG, "Unknown boot method, assuming normal.\n");
+ acpi_slp_type=0;
+ break;
+ }
+#endif
+ } else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
+ dev->ops = &cpu_bus_ops;
+ }
+}
+
+static void pineview_init(void *const chip_info)
+{
+ int dev, fn, bit_base;
+
+ struct device *const d0f0 = dev_find_slot(0, 0);
+
+ /* Hide internal functions based on devicetree info. */
+ for (dev = 3; dev > 0; --dev) {
+ switch (dev) {
+ case 3: /* ME */
+ fn = 3;
+ bit_base = 6;
+ break;
+ case 2: /* IGD */
+ fn = 1;
+ bit_base = 3;
+ break;
+ case 1: /* PEG */
+ fn = 0;
+ bit_base = 1;
+ break;
+ }
+ for (; fn >= 0; --fn) {
+ const struct device *const d =
+ dev_find_slot(0, PCI_DEVFN(dev, fn));
+ if (!d || d->enabled) continue;
+ const u32 deven = pci_read_config32(d0f0, DEVEN);
+ pci_write_config32(d0f0, DEVEN,
+ deven & ~(1 << (bit_base + fn)));
+ }
+ }
+
+ const u32 deven = pci_read_config32(d0f0, DEVEN);
+ if (!(deven & (0xf << 6)))
+ pci_write_config32(d0f0, DEVEN, deven & ~(1 << 14));
+}
+
+struct chip_operations northbridge_intel_pineview_ops = {
+ CHIP_NAME("Intel Pineview Northbridge")
+ .enable_dev = enable_dev,
+ .init = pineview_init,
+};
diff --git a/src/northbridge/intel/pineview/pineview.h b/src/northbridge/intel/pineview/pineview.h
index 7bd4c44..4042e6d 100644
--- a/src/northbridge/intel/pineview/pineview.h
+++ b/src/northbridge/intel/pineview/pineview.h
@@ -1,7 +1,7 @@
/*
* This file is part of the coreboot project.
*
- * Copyright (C) Damien Zammit <damien at zamaudio.com>
+ * Copyright (C) 2015 Damien Zammit <damien at zamaudio.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -11,10 +11,6 @@
* 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef NORTHBRIDGE_INTEL_PINEVIEW_H
@@ -31,6 +27,172 @@
/* Everything below this line is ignored in the DSDT */
#ifndef __ACPI__
+typedef enum {
+ FSB_CLOCK_667MHz = 0,
+ FSB_CLOCK_800MHz = 1,
+} fsb_clock_t;
+
+typedef enum {
+ MEM_CLOCK_667MHz = 0,
+ MEM_CLOCK_800MHz = 1,
+} mem_clock_t;
+
+typedef enum {
+ DDR2 = 2,
+ DDR3 = 3,
+} ddr_t;
+
+typedef enum { /* as in DDR3 spd */
+ CHIP_WIDTH_x4 = 0,
+ CHIP_WIDTH_x8 = 1,
+ CHIP_WIDTH_x16 = 2,
+ CHIP_WIDTH_x32 = 3,
+} chip_width_t;
+
+typedef enum { /* as in DDR3 spd */
+ CHIP_CAP_256M = 0,
+ CHIP_CAP_512M = 1,
+ CHIP_CAP_1G = 2,
+ CHIP_CAP_2G = 3,
+ CHIP_CAP_4G = 4,
+ CHIP_CAP_8G = 5,
+ CHIP_CAP_16G = 6,
+} chip_capacity_t;
+
+typedef struct {
+ unsigned int CAS;
+ fsb_clock_t fsb_clock;
+ mem_clock_t mem_clock;
+ unsigned int tRAS;
+ unsigned int tRP;
+ unsigned int tRCD;
+ unsigned int tWR;
+ unsigned int tRFC;
+ unsigned int tWTR;
+ unsigned int tRRD;
+ unsigned int tRTP;
+} timings_t;
+
+typedef struct {
+ unsigned int card_type; /* 0x0: unpopulated,
+ 0xa - 0xf: raw card type A - F */
+ u8 type;
+ chip_width_t width;
+ chip_capacity_t chip_capacity;
+ unsigned int page_size; /* of whole DIMM in Bytes (4096 or 8192) */
+ unsigned int sides;
+ unsigned int banks;
+ unsigned int ranks;
+ unsigned int rows;
+ unsigned int cols;
+ unsigned int cas_latencies;
+ unsigned int tAAmin;
+ unsigned int tCKmin;
+ unsigned int tWR;
+ unsigned int tRP;
+ unsigned int tRCD;
+ unsigned int tRAS;
+ unsigned int rank_capacity_mb; /* per rank in Mega Bytes */
+ u8 spd_data[256];
+} dimminfo_t;
+
+struct pllparam {
+ u8 kcoarse[2][72];
+ u8 pi[2][72];
+ u8 dben[2][72];
+ u8 dbsel[2][72];
+ u8 clkdelay[2][72];
+} __attribute__ ((packed));
+
+typedef struct sys_info {
+ u8 maxpi;
+ u8 pioffset;
+ u8 pi[8];
+ u16 coarsectrl;
+ u16 coarsedelay;
+ u16 mediumphase;
+ u16 readptrdelay;
+
+ int txt_enabled;
+ int cores;
+ int boot_path;
+ int max_ddr2_mhz;
+ int max_ddr3_mt;
+ int max_fsb_mhz;
+ int max_render_mhz;
+ int enable_igd;
+ int enable_peg;
+ u16 ggc;
+
+ int dimm_config[2];
+ int dimms_per_ch;
+ int spd_type;
+ int channel_capacity[2];
+ timings_t selected_timings;
+ dimminfo_t dimms[4];
+ u8 spd_map[4];
+
+ u8 nodll;
+ u8 async;
+ u8 dt0mode;
+ u8 mvco4x; /* 0 (8x) or 1 (4x) */
+} sysinfo_t;
+
+#define DIMM_TCO_BASE 0x30
+#define BURSTLENGTH 8
+
+#define BOOT_PATH_NORMAL 0
+#define BOOT_PATH_RESET 1
+#define BOOT_PATH_RESUME 2
+
+#define SYSINFO_DIMM_NOT_POPULATED 0x00
+#define SYSINFO_DIMM_X16SS 0x01
+#define SYSINFO_DIMM_X16DS 0x02
+#define SYSINFO_DIMM_X8DS 0x05
+#define SYSINFO_DIMM_X8DDS 0x06
+
+#define TOTAL_CHANNELS 1
+#define TOTAL_DIMMS 2
+
+#define DIMM_IS_POPULATED(dimms, idx) (dimms[idx].card_type != 0)
+#define IF_DIMM_POPULATED(dimms, idx) if (dimms[idx].card_type != 0)
+#define ONLY_DIMMA_IS_POPULATED(dimms, ch) ( \
+ (DIMM_IS_POPULATED(dimms, (ch == 0) ? 0 : 2) && \
+ !DIMM_IS_POPULATED(dimms, (ch == 0) ? 1 : 3)))
+#define ONLY_DIMMB_IS_POPULATED(dimms, ch) ( \
+ (DIMM_IS_POPULATED(dimms, (ch == 0) ? 1 : 3) && \
+ !DIMM_IS_POPULATED(dimms, (ch == 0) ? 0 : 2)))
+#define BOTH_DIMMS_ARE_POPULATED(dimms, ch) ( \
+ (DIMM_IS_POPULATED(dimms, (ch == 0) ? 0 : 2) && \
+ (DIMM_IS_POPULATED(dimms, (ch == 0) ? 1 : 3))))
+#define FOR_EACH_DIMM(idx) \
+ for (idx = 0; idx < TOTAL_DIMMS; ++idx)
+#define FOR_EACH_POPULATED_DIMM(dimms, idx) \
+ FOR_EACH_DIMM(idx) IF_DIMM_POPULATED(dimms, idx)
+#define CHANNEL_IS_POPULATED(dimms, idx) ((dimms[idx<<1].card_type != 0) || (dimms[(idx<<1) + 1].card_type != 0))
+#define CHANNEL_IS_CARDF(dimms, idx) ((dimms[idx<<1].card_type == 0xf) || (dimms[(idx<<1) + 1].card_type == 0xf))
+#define IF_CHANNEL_POPULATED(dimms, idx) if ((dimms[idx<<1].card_type != 0) || (dimms[(idx<<1) + 1].card_type != 0))
+#define FOR_EACH_CHANNEL(idx) \
+ for (idx = 0; idx < TOTAL_CHANNELS; ++idx)
+#define FOR_EACH_POPULATED_CHANNEL(dimms, idx) \
+ FOR_EACH_CHANNEL(idx) IF_CHANNEL_POPULATED(dimms, idx)
+
+#define RANKS_PER_CHANNEL 4
+#define RANK_IS_POPULATED(dimms, ch, r) \
+ ((dimms[ch<<1].card_type && ((r) < dimms[ch<<1].ranks)) || \
+ (dimms[(ch<<1) + 1].card_type && ((r) >= 2) && ((r) < (dimms[(ch<<1) + 1].ranks + 2))))
+#define IF_RANK_POPULATED(dimms, ch, r) \
+ if ((dimms[ch<<1].card_type && ((r) < dimms[ch<<1].ranks)) || \
+ (dimms[(ch<<1) + 1].card_type && ((r) >= 2) && ((r) < (dimms[(ch<<1) + 1].ranks + 2))))
+#define FOR_EACH_RANK_IN_CHANNEL(r) \
+ for (r = 0; r < RANKS_PER_CHANNEL; ++r)
+#define FOR_EACH_POPULATED_RANK_IN_CHANNEL(dimms, ch, r) \
+ FOR_EACH_RANK_IN_CHANNEL(r) IF_RANK_POPULATED(dimms, ch, r)
+#define FOR_EACH_RANK(ch, r) \
+ FOR_EACH_CHANNEL(ch) FOR_EACH_RANK_IN_CHANNEL(r)
+#define FOR_EACH_POPULATED_RANK(dimms, ch, r) \
+ FOR_EACH_RANK(ch, r) IF_RANK_POPULATED(dimms, ch, r)
+
/* Device 0:0.0 PCI configuration space (Host Bridge) */
#define EPBAR 0x40
@@ -69,7 +231,7 @@
#define TOUUD 0xa2
#define GBSM 0xa4
#define BGSM 0xa8
-#define TSEGMB 0xac
+#define TSEG 0xac
#define TOLUD 0xb0 /* Top of Low Used Memory */
#define ERRSTS 0xc8
#define ERRCMD 0xca
@@ -97,6 +259,8 @@
#define GCFC 0xf0 /* Graphics Clock Frequency & Gating Control */
+#define GPIO32(x) *((volatile u32 *)(DEFAULT_GPIOBASE + x))
+
/*
* MCHBAR
*/
@@ -121,9 +285,16 @@
#define DMIBAR16(x) *((volatile u16 *)(DEFAULT_DMIBAR + x))
#define DMIBAR32(x) *((volatile u32 *)(DEFAULT_DMIBAR + x))
+void pineview_early_initialization(void);
+u32 decode_igd_memory_size(const u32 gms);
+u32 decode_igd_gtt_size(const u32 gsm);
+
/* provided by mainboard code */
void setup_ich7_gpios(void);
+struct acpi_rsdp;
+unsigned long northbridge_write_acpi_tables(unsigned long start, struct acpi_rsdp *rsdp);
+
#endif /* __ACPI__ */
#endif /* NORTHBRIDGE_INTEL_PINEVIEW_H */
diff --git a/src/northbridge/intel/pineview/ram_calc.c b/src/northbridge/intel/pineview/ram_calc.c
index d7cc732..13dbd73 100644
--- a/src/northbridge/intel/pineview/ram_calc.c
+++ b/src/northbridge/intel/pineview/ram_calc.c
@@ -11,52 +11,57 @@
* 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-/* Use simple device model for this file even in ramstage */
#define __SIMPLE_DEVICE__
#include <arch/io.h>
+#include <console/console.h>
#include <cbmem.h>
#include <northbridge/intel/pineview/pineview.h>
-static unsigned long find_ramtop(void)
+/** Decodes used Graphics Mode Select (GMS) to kilobytes. */
+u32 decode_igd_memory_size(const u32 gms)
{
- uint32_t tom;
-
- if (pci_read_config8(PCI_DEV(0, 0x0, 0), DEVEN) & (DEVEN_D2F0 | DEVEN_D2F1)) {
- /* IGD enabled, get top of Memory from BSM register */
- tom = pci_read_config32(PCI_DEV(0,2,0), BSM);
- } else {
- tom = (pci_read_config8(PCI_DEV(0,0,0), TOLUD) & 0xf7) << 24;
- }
-
- /* if TSEG enabled subtract size */
- switch(pci_read_config8(PCI_DEV(0, 0, 0), ESMRAM) & 0x07) {
- case 0x01:
- /* 1MB TSEG */
- tom -= 0x100000;
- break;
- case 0x03:
- /* 2MB TSEG */
- tom -= 0x200000;
- break;
- case 0x05:
- /* 8MB TSEG */
- tom -= 0x800000;
- break;
+ switch (gms) {
+ case 0:
+ return 0;
+ case 1:
+ return 1 << 10;
+ case 2:
+ return 4 << 10;
+ case 3:
+ return 8 << 10;
+ case 4:
+ return 16 << 10;
+ case 5:
+ return 32 << 10;
+ case 6:
+ return 48 << 10;
+ case 7:
+ return 64 << 10;
+ case 8:
+ return 128 << 10;
+ case 9:
+ return 256 << 10;
default:
- /* TSEG either disabled or invalid */
- break;
+ printk(BIOS_DEBUG, "Bad Graphics Mode Select (GMS) setting.\n");
+ return 0;
}
- return (unsigned long) tom;
}
-void *cbmem_top(void)
+/** Decodes used Graphics Stolen Memory (GSM) to kilobytes. */
+u32 decode_igd_gtt_size(const u32 gsm)
{
- return (void *) find_ramtop();
+ switch (gsm) {
+ case 2:
+ case 3:
+ case 0:
+ return 0;
+ case 1:
+ return 1 << 10;
+ default:
+ printk(BIOS_DEBUG, "Bad Graphics Stolen Memory (GSM) setting.\n");
+ return 0;
+ }
}
diff --git a/src/northbridge/intel/pineview/raminit.c b/src/northbridge/intel/pineview/raminit.c
new file mode 100644
index 0000000..2249402
--- /dev/null
+++ b/src/northbridge/intel/pineview/raminit.c
@@ -0,0 +1,2837 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Damien Zammit <damien at zamaudio.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/io.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/mtrr.h>
+#include <delay.h>
+#include <halt.h>
+#include <lib.h>
+#include "pineview.h"
+#include "raminit.h"
+#include <pc80/mc146818rtc.h>
+#include <spd.h>
+#include <string.h>
+
+/* Debugging macros. */
+#if CONFIG_DEBUG_RAM_SETUP
+#define PRINTK_DEBUG(x...) printk(BIOS_DEBUG, x)
+#else
+#define PRINTK_DEBUG(x...)
+#endif
+
+#define MAX_TCLK_667 0x30
+#define MAX_TCLK_800 0x25
+#define MAX_TAC_667 0x45
+#define MAX_TAC_800 0x40
+
+#define NOP_CMD (1 << 1)
+#define PRE_CHARGE_CMD (1 << 2)
+#define MRS_CMD ((1 << 2) | (1 << 1))
+#define EMRS_CMD (1 << 3)
+#define EMRS1_CMD (EMRS_CMD | (1 << 4))
+#define EMRS2_CMD (EMRS_CMD | (1 << 5))
+#define EMRS3_CMD (EMRS_CMD | (1 << 5) | (1 << 4))
+#define ZQCAL_CMD ((1 << 3) | (1 << 1))
+#define CBR_CMD ((1 << 3) | (1 << 2))
+#define NORMAL_OP_CMD ((1 << 3) | (1 << 2) | (1 << 1))
+
+#define UBDIMM 1
+#define SODIMM 2
+
+#define barrier() __asm__ __volatile__("": : :"memory")
+
+static inline int spd_read_byte(unsigned device, unsigned address)
+{
+ return smbus_read_byte(device, address);
+}
+
+#if 0
+static void sdram_dump_mchbar_registers(void)
+{
+ int i;
+ PRINTK_DEBUG("Dumping MCHBAR Registers\n");
+
+ for (i=0; i<0xfff; i+=4) {
+ if (MCHBAR32(i) == 0)
+ continue;
+ PRINTK_DEBUG("0x%04x: 0x%08x\n", i, MCHBAR32(i));
+ }
+}
+#endif
+
+static void sdram_read_spds(sysinfo_t *s)
+{
+ u8 i, j, chan, swap;
+ swap = 0;
+ int status = 0;
+ s->dt0mode = 0;
+ FOR_EACH_DIMM(i) {
+ for (j = 0; j < 64; j++) {
+ status = spd_read_byte(s->spd_map[i], j);
+ if (status < 0) {
+ s->dimms[i].card_type = 0;
+ break;
+ }
+ s->dimms[i].spd_data[j] = (u8) status;
+ PRINTK_DEBUG("%02x ", (u8) status);
+ if (j % 16 == 15)
+ PRINTK_DEBUG("\n");
+ if (j == 62)
+ s->dimms[i].card_type = ((u8) status) & 0x1f;
+ }
+ PRINTK_DEBUG("\n");
+ }
+
+ s->spd_type = 0;
+ FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+ switch (s->dimms[i].spd_data[2]) {
+ case 0x8:
+ s->spd_type = DDR2;
+ break;
+ case 0xb:
+ default:
+ die("DIMM type mismatch\n");
+ break;
+ }
+ }
+
+ int fail = 1;
+ FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+ s->dimms[i].type = 0;
+ if (s->dimms[i].spd_data[20] == 0x2) {
+ s->dimms[i].type = UBDIMM;
+ } else if (s->dimms[i].spd_data[20] == 0x4) {
+ s->dimms[i].type = SODIMM;
+ }
+ s->dimms[i].sides = (s->dimms[i].spd_data[5] & 0x7) + 1;
+ s->dimms[i].banks = (s->dimms[i].spd_data[17] >> 2) - 1;
+ s->dimms[i].chip_capacity = s->dimms[i].banks;
+ s->dimms[i].rows = s->dimms[i].spd_data[3];// - 12;
+ s->dimms[i].cols = s->dimms[i].spd_data[4];// - 9;
+ s->dimms[i].cas_latencies = 0x78;
+ s->dimms[i].cas_latencies &= s->dimms[i].spd_data[18];
+ if (s->dimms[i].cas_latencies == 0)
+ s->dimms[i].cas_latencies = 7;
+ s->dimms[i].tAAmin = s->dimms[i].spd_data[26];
+ s->dimms[i].tCKmin = s->dimms[i].spd_data[25];
+ s->dimms[i].width = (s->dimms[i].spd_data[13] >> 3) - 1;
+ s->dimms[i].page_size = (s->dimms[i].width+1) * (1 << s->dimms[i].cols); // Bytes
+ s->dimms[i].tRAS = s->dimms[i].spd_data[30];
+ s->dimms[i].tRP = s->dimms[i].spd_data[27];
+ s->dimms[i].tRCD = s->dimms[i].spd_data[29];
+ s->dimms[i].tWR = s->dimms[i].spd_data[36];
+ s->dimms[i].ranks = s->dimms[i].sides; // XXX
+ s->dt0mode |= (s->dimms[i].spd_data[49] & 0x2) >> 1;
+
+#if CONFIG_DEBUG_RAM_SETUP
+ char ubso[2][3] = { {"UB"}, {"SO"} };
+#endif
+ PRINTK_DEBUG("%s-DIMM %d\n", &ubso[s->dimms[i].type][0], i);
+ PRINTK_DEBUG(" Sides : %d\n", s->dimms[i].sides);
+ PRINTK_DEBUG(" Banks : %d\n", s->dimms[i].banks);
+ PRINTK_DEBUG(" Ranks : %d\n", s->dimms[i].ranks);
+ PRINTK_DEBUG(" Rows : %d\n", s->dimms[i].rows);
+ PRINTK_DEBUG(" Cols : %d\n", s->dimms[i].cols);
+ PRINTK_DEBUG(" Page size : %d\n", s->dimms[i].page_size);
+ PRINTK_DEBUG(" Width : %d\n", (s->dimms[i].width+1)*8);
+ fail = 0;
+ }
+
+ if (fail) {
+ die("No memory dimms, halt\n");
+ }
+
+ // Ram Config: DIMMB-DIMMA
+ // 0 EMPTY-EMPTY
+ // 1 EMPTY-x16SS
+ // 2 EMPTY-x16DS
+ // 3 x16SS-x16SS
+ // 4 x16DS-x16DS
+ // 5 EMPTY- x8DS
+ // 6 x8DS - x8DS
+
+ FOR_EACH_POPULATED_CHANNEL(s->dimms, chan) {
+ if (s->dimms[chan>>1].sides == 0) {
+ // NC
+ if (s->dimms[(chan>>1) + 1].sides == 0) {
+ // NC/NC
+ s->dimm_config[chan] = 0;
+ } else if (s->dimms[(chan>>1) + 1].sides == 1) {
+ // NC/SS
+ if (s->dimms[(chan>>1) + 1].width == 0) {
+ // NC/8SS
+ s->dimm_config[chan] = 1;
+ } else {
+ // NC/16SS
+ s->dimm_config[chan] = 1;
+ }
+ } else {
+ // NC/DS
+ if (s->dimms[(chan>>1) + 1].width == 0) {
+ // NC/8DS
+ s->dimm_config[chan] = 5;
+ } else {
+ // NC/16DS
+ s->dimm_config[chan] = 2;
+ }
+ }
+ } else if (s->dimms[chan>>1].sides == 1) {
+ // SS
+ if (s->dimms[(chan>>1) + 1].sides == 0) {
+ // SS/NC
+ if (s->dimms[chan>>1].width == 0) {
+ // 8SS/NC
+ s->dimm_config[chan] = 1;
+ swap = 1;
+ } else {
+ // 16SS/NC
+ s->dimm_config[chan] = 1;
+ swap = 1;
+ }
+ } else if (s->dimms[(chan>>1) + 1].sides == 1) {
+ // SS/SS
+ if (s->dimms[chan>>1].width == 0) {
+ if (s->dimms[(chan>>1) + 1].width == 0) {
+ // 8SS/8SS
+ s->dimm_config[chan] = 3;
+ } else {
+ // 8SS/16SS
+ die("Mixed Not supported\n");
+ }
+ } else {
+ if (s->dimms[(chan>>1) + 1].width == 0) {
+ // 16SS/8SS
+ die("Mixed Not supported\n");
+ } else {
+ // 16SS/16SS
+ s->dimm_config[chan] = 3;
+ }
+ }
+ } else {
+ // SS/DS
+ if (s->dimms[chan>>1].width == 0) {
+ if (s->dimms[(chan>>1) + 1].width == 0) {
+ // 8SS/8DS
+ die("Mixed Not supported\n");
+ } else {
+ die("Mixed Not supported\n");
+ }
+ } else {
+ if (s->dimms[(chan>>1) + 1].width == 0) {
+ // 16SS/8DS
+ die("Mixed Not supported\n");
+ } else {
+ die("Mixed Not supported\n");
+ }
+ }
+ }
+ } else {
+ // DS
+ if (s->dimms[(chan>>1) + 1].sides == 0) {
+ // DS/NC
+ if (s->dimms[chan>>1].width == 0) {
+ // 8DS/NC
+ s->dimm_config[chan] = 5;
+ swap = 1;
+ } else {
+ s->dimm_config[chan] = 4;
+ swap = 1;
+ }
+ } else if (s->dimms[(chan>>1) + 1].sides == 1) {
+ // DS/SS
+ if (s->dimms[chan>>1].width == 0) {
+ if (s->dimms[(chan>>1) + 1].width == 0) {
+ // 8DS/8SS
+ die("Mixed Not supported\n");
+ } else {
+ // 8DS/16SS
+ die("Mixed Not supported\n");
+ }
+ } else {
+ if (s->dimms[(chan>>1) + 1].width == 0) {
+ die("Mixed Not supported\n");
+ } else {
+ // 16DS/16DS
+ s->dimm_config[chan] = 4;
+ }
+ }
+ } else {
+ // DS/DS
+ if (s->dimms[chan>>1].width == 0 && s->dimms[(chan>>1)+1].width == 0) {
+ // 8DS/8DS
+ s->dimm_config[chan] = 6;
+ }
+ }
+ }
+ PRINTK_DEBUG(" Config[CH%d] : %d\n", chan, s->dimm_config[chan]);
+ }
+/*
+ if (swap) {
+ // Swap dimm info on ch 0
+ dimminfo_t tmp;
+ memcpy(&tmp, &s->dimms[0], sizeof(dimminfo_t));
+ memcpy(&s->dimms[0], &s->dimms[1], sizeof(dimminfo_t));
+ memcpy(&s->dimms[1], &tmp, sizeof(dimminfo_t));
+ }
+*/
+}
+
+#if CONFIG_DEBUG_RAM_SETUP
+static u32 fsb2mhz(u32 speed)
+{
+ return (speed * 133) + 667;
+}
+
+static u32 ddr2mhz(u32 speed)
+{
+ u32 mhz;
+ mhz = (speed == 0) ? 667 :
+ (speed == 1) ? 800 :
+ 0;
+ return mhz;
+}
+#endif
+
+static u8 lsbpos(u8 val) //Forward
+{
+ u8 i;
+ for (i = 0; (i < 8) && ((val & (1 << i)) == 0); i++);
+ return i;
+}
+
+static u8 msbpos(u8 val) //Reverse
+{
+ u8 i;
+ for (i = 7; (i >= 0) && ((val & (1 << i)) == 0); i--);
+ return i;
+}
+
+static void sdram_detect_smallest_params(struct sys_info *s)
+{
+ u16 mult[6] = {
+ 3000, // 667
+ 2500, // 800
+ };
+
+ u8 i;
+ u32 tmp;
+ u32 maxtras = 0;
+ u32 maxtrp = 0;
+ u32 maxtrcd = 0;
+ u32 maxtwr = 0;
+ u32 maxtrfc = 0;
+ u32 maxtwtr = 0;
+ u32 maxtrrd = 0;
+ u32 maxtrtp = 0;
+
+ FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+ maxtras = max(maxtras, s->dimms[i].spd_data[30] * 1000);
+ maxtrp = max(maxtrp, (s->dimms[i].spd_data[27] * 1000) >> 2);
+ maxtrcd = max(maxtrcd, (s->dimms[i].spd_data[29] * 1000) >> 2);
+ maxtwr = max(maxtwr, (s->dimms[i].spd_data[36] * 1000) >> 2);
+ maxtrfc = max(maxtrfc, s->dimms[i].spd_data[42] * 1000 +
+ (s->dimms[i].spd_data[40] & 0xf));
+ maxtwtr = max(maxtwtr, (s->dimms[i].spd_data[37] * 1000) >> 2);
+ maxtrrd = max(maxtrrd, (s->dimms[i].spd_data[28] * 1000) >> 2);
+ maxtrtp = max(maxtrtp, (s->dimms[i].spd_data[38] * 1000) >> 2);
+ }
+ for (i = 9; i < 24; i++) { // 16
+ tmp = mult[s->selected_timings.mem_clock] * i;
+ if (tmp >= maxtras) {
+ s->selected_timings.tRAS = i;
+ break;
+ }
+ }
+ for (i = 3; i < 10; i++) {
+ tmp = mult[s->selected_timings.mem_clock] * i;
+ if (tmp >= maxtrp) {
+ s->selected_timings.tRP = i;
+ break;
+ }
+ }
+ for (i = 3; i < 10; i++) {
+ tmp = mult[s->selected_timings.mem_clock] * i;
+ if (tmp >= maxtrcd) {
+ s->selected_timings.tRCD = i;
+ break;
+ }
+ }
+ for (i = 3; i < 15; i++) {
+ tmp = mult[s->selected_timings.mem_clock] * i;
+ if (tmp >= maxtwr) {
+ s->selected_timings.tWR = i;
+ break;
+ }
+ }
+ for (i = 15; i < 78; i++) {
+ tmp = mult[s->selected_timings.mem_clock] * i;
+ if (tmp >= maxtrfc) {
+ s->selected_timings.tRFC = ((i + 16) & 0xfe) - 15;
+ break;
+ }
+ }
+ for (i = 4; i < 15; i++) {
+ tmp = mult[s->selected_timings.mem_clock] * i;
+ if (tmp >= maxtwtr) {
+ s->selected_timings.tWTR = i;
+ break;
+ }
+ }
+ for (i = 2; i < 15; i++) {
+ tmp = mult[s->selected_timings.mem_clock] * i;
+ if (tmp >= maxtrrd) {
+ s->selected_timings.tRRD = i;
+ break;
+ }
+ }
+ for (i = 4; i < 15; i++) {
+ tmp = mult[s->selected_timings.mem_clock] * i;
+ if (tmp >= maxtrtp) {
+ s->selected_timings.tRTP = i;
+ break;
+ }
+ }
+
+ PRINTK_DEBUG("Selected timings:\n");
+ PRINTK_DEBUG(" FSB: %dMHz\n", fsb2mhz(s->selected_timings.fsb_clock));
+ PRINTK_DEBUG(" DDR: %dMHz\n", ddr2mhz(s->selected_timings.mem_clock));
+
+ PRINTK_DEBUG(" CAS: %d\n", s->selected_timings.CAS);
+ PRINTK_DEBUG(" tRAS: %d\n", s->selected_timings.tRAS);
+ PRINTK_DEBUG(" tRP: %d\n", s->selected_timings.tRP);
+ PRINTK_DEBUG(" tRCD: %d\n", s->selected_timings.tRCD);
+ PRINTK_DEBUG(" tWR: %d\n", s->selected_timings.tWR);
+ PRINTK_DEBUG(" tRFC: %d\n", s->selected_timings.tRFC);
+ PRINTK_DEBUG(" tWTR: %d\n", s->selected_timings.tWTR);
+ PRINTK_DEBUG(" tRRD: %d\n", s->selected_timings.tRRD);
+ PRINTK_DEBUG(" tRTP: %d\n", s->selected_timings.tRTP);
+}
+
+static void sdram_detect_ram_speed(struct sys_info *s)
+{
+ u8 cas, reg8;
+ u32 reg32;
+ u32 freq = 0;
+ u32 fsb = 0;
+ u8 i;
+ u8 commoncas = 0;
+ u8 highcas = 0;
+ u8 lowcas = 0;
+
+ // Core frequency
+ fsb = (pci_read_config8(PCI_DEV(0,0,0), 0xe3) & 0x70) >> 4;
+ if (fsb) {
+ fsb = 5 - fsb;
+ } else {
+ fsb = FSB_CLOCK_800MHz;
+ }
+
+ // DDR frequency
+ freq = (pci_read_config8(PCI_DEV(0,0,0), 0xe3) & 0x80) >> 7;
+ freq |= (pci_read_config8(PCI_DEV(0,0,0), 0xe4) & 0x3) << 1;
+ if (freq) {
+ freq = 6 - freq;
+ } else {
+ freq = MEM_CLOCK_800MHz;
+ }
+
+ // Detect a common CAS latency
+ commoncas = 0xff;
+ FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+ commoncas &= s->dimms[i].spd_data[18];
+ }
+ if (commoncas == 0) {
+ die("No common CAS among dimms\n");
+ }
+
+ // Start with fastest common CAS
+ cas = 0;
+ highcas = msbpos(commoncas);
+ lowcas = max(lsbpos(commoncas), 5);
+
+ while (cas == 0 && highcas >= lowcas) {
+ FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+ switch (freq) {
+ case MEM_CLOCK_800MHz:
+ if ((s->dimms[i].spd_data[9] > 0x25) ||
+ (s->dimms[i].spd_data[10] > 0x40)) {
+ // CAS too fast, lower it
+ highcas--;
+ break;
+ } else {
+ cas = highcas;
+ }
+ break;
+ case MEM_CLOCK_667MHz:
+ default:
+ if ((s->dimms[i].spd_data[9] > 0x30) ||
+ (s->dimms[i].spd_data[10] > 0x45)) {
+ // CAS too fast, lower it
+ highcas--;
+ break;
+ } else {
+ cas = highcas;
+ }
+ break;
+ }
+ }
+ }
+ if (highcas < lowcas) {
+ // Timings not supported by MCH, lower the frequency
+ if(freq == MEM_CLOCK_800MHz) {
+ freq--;
+ PRINTK_DEBUG("Run DDR clock speed reduced due to timings\n");
+ } else {
+ die("Timings not supported by MCH\n");
+ }
+ cas = 0;
+ highcas = msbpos(commoncas);
+ lowcas = lsbpos(commoncas);
+ while (cas == 0 && highcas >= lowcas) {
+ FOR_EACH_POPULATED_DIMM(s->dimms, i) {
+ switch (freq) {
+ case MEM_CLOCK_800MHz:
+ if ((s->dimms[i].spd_data[9] > 0x25) ||
+ (s->dimms[i].spd_data[10] > 0x40)) {
+ // CAS too fast, lower it
+ highcas--;
+ break;
+ } else {
+ cas = highcas;
+ }
+ break;
+ case MEM_CLOCK_667MHz:
+ default:
+ if ((s->dimms[i].spd_data[9] > 0x30) ||
+ (s->dimms[i].spd_data[10] > 0x45)) {
+ // CAS too fast, lower it
+ highcas--;
+ break;
+ } else {
+ cas = highcas;
+ }
+ break;
+ }
+ }
+ }
+ if (cas == 0) {
+ die("Unsupported dimms\n");
+ }
+ }
+
+ s->selected_timings.CAS = cas;
+ s->selected_timings.mem_clock = freq;
+ s->selected_timings.fsb_clock = fsb;
+
+ PRINTK_DEBUG("Drive Memory at %dMHz with CAS = %d clocks\n", ddr2mhz(s->selected_timings.mem_clock), s->selected_timings.CAS);
+
+ // Set memory frequency
+ MCHBAR32(0xf14) = MCHBAR32(0xf14) | 0x1;
+ reg32 = (MCHBAR32(0xc00) & (~0x70)) | (1 << 10);
+ if (s->selected_timings.mem_clock == MEM_CLOCK_800MHz) {
+ reg8 = 3;
+ } else {
+ reg8 = 2;
+ }
+ reg32 |= reg8 << 4;
+ MCHBAR32(0xc00) = reg32;
+ s->selected_timings.mem_clock = ((MCHBAR32(0xc00) >> 4) & 0x7) - 2;
+ if (s->selected_timings.mem_clock == MEM_CLOCK_800MHz) {
+ PRINTK_DEBUG("MCH validated at 800MHz\n");
+ s->nodll = 0;
+ s->maxpi = 63;
+ s->pioffset = 0;
+ } else if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) {
+ PRINTK_DEBUG("MCH validated at 667MHz\n");
+ s->nodll = 1;
+ s->maxpi = 15;
+ s->pioffset = 1;
+ } else {
+ PRINTK_DEBUG("MCH set to unknown (%02x)\n",
+ (uint8_t) s->selected_timings.mem_clock & 0xff);
+ }
+}
+
+#define HPET_BASE 0xfed00000
+#define HPET32(x) *((volatile u32 *)(HPET_BASE + x))
+#if 1
+static void enable_hpet(void)
+{
+ u32 reg32;
+ reg32 = RCBA32(0x3404);
+ reg32 &= ~0x3;
+ reg32 |= (1 << 7);
+ RCBA32(0x3404) = reg32;
+ HPET32(0x10) = HPET32(0x10) | 1;
+}
+#endif
+
+static void sdram_clk_crossing(sysinfo_t *s)
+{
+ u8 i, j;
+ u32 clkcross[2][2][4] = {
+ {
+ {0xFFFFFFFF, 0x05030305, 0x0000FFFF, 0x00000000}, //667 667
+ {0x1F1F1F1F, 0x2A1F1FA5, 0x00000000, 0x05000002}, //667 800
+ },
+ {
+ {0x1F1F1F1F, 0x0D07070B, 0x00000000, 0x00000000}, //800 667
+ {0xFFFFFFFF, 0x05030305, 0x0000FFFF, 0x00000000}, //800 800
+ }
+ };
+ i = s->selected_timings.mem_clock;
+ j = s->selected_timings.fsb_clock;
+
+ MCHBAR32(0xc04) = clkcross[j][i][0];
+ MCHBAR32(0xc50) = clkcross[j][i][1];
+ MCHBAR32(0xc54) = clkcross[j][i][2];
+ MCHBAR32(0xc28) = 0;
+ MCHBAR32(0xc2c) = clkcross[j][i][3];
+ MCHBAR32(0xc08) = MCHBAR32(0xc08) | (1 << 7);
+
+ if ((j == 0) && (i == 1)) {
+ MCHBAR8(0x6d4) = 0;
+ MCHBAR32(0x700) = 0;
+ MCHBAR32(0x704) = 0;
+ }
+
+ u32 clkcross2[2][2][8] = {
+ {
+ { 0, 0x08010204, 0, 0x08010204, 0, 0, 0, 0x04080102}, // 667 667
+ { 0x04080000, 0x10010002, 0x10000000, 0x20010208, 0, 0x00000004, 0x02040000, 0x08100102}, // 667 800
+ },
+ {
+ { 0x10000000, 0x20010208, 0x04080000, 0x10010002, 0, 0, 0x08000000, 0x10200204}, // 800 667
+ { 0x00000000, 0x08010204, 0, 0x08010204, 0, 0, 0, 0x04080102}, // 800 800
+ }
+ };
+
+ MCHBAR32(0x6d8) = clkcross2[j][i][0];
+ MCHBAR32(0x6e0) = clkcross2[j][i][0];
+ MCHBAR32(0x6e8) = clkcross2[j][i][0];
+ MCHBAR32(0x6d8+4) = clkcross2[j][i][1];
+ MCHBAR32(0x6e0+4) = clkcross2[j][i][1];
+ MCHBAR32(0x6e8+4) = clkcross2[j][i][1];
+ MCHBAR32(0x6f0) = clkcross2[j][i][2];
+ MCHBAR32(0x6f4) = clkcross2[j][i][3];
+ MCHBAR32(0x6f8) = clkcross2[j][i][4];
+ MCHBAR32(0x6fc) = clkcross2[j][i][5];
+ MCHBAR32(0x708) = clkcross2[j][i][6];
+ MCHBAR32(0x70c) = clkcross2[j][i][7];
+}
+
+static void sdram_clkmode(struct sys_info *s)
+{
+ u8 reg8;
+ u16 reg16;
+
+ MCHBAR16(0x1b6) = MCHBAR16(0x1b6) & ~(1 << 8);
+ MCHBAR8(0x1b6) = MCHBAR8(0x1b6) & ~0x3f;
+
+ if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) {
+ reg8 = 0;
+ reg16 = 1;
+ } else {
+ reg8 = 1;
+ reg16 = (1 << 8) | (1 << 5);
+ }
+ MCHBAR16(0x1c0) = (MCHBAR16(0x1c0) & ~(0x033f)) | reg16;
+
+ MCHBAR32(0x220) = 0x58001117;
+ MCHBAR32(0x248) = (MCHBAR32(0x248) | (1 << 23));
+
+ const u32 table1[2][4] = {
+ {0x00000000, 0x00030100, 0x0C240201, 0x00000000}, // 667
+ {0x00000000, 0x00030100, 0x0C240201, 0x10450302} // 800
+ };
+
+ MCHBAR32(0x224) = table1[reg8][s->selected_timings.CAS - 3];
+}
+
+static void sdram_timings(struct sys_info *s)
+{
+ u8 i, j, ch, r, ta1, ta2, ta3, ta4, trp, bank, page, flag;
+ u8 reg8, wl;
+ u16 reg16;
+ u32 reg32, reg2;
+ u8 pagetab[2][2] = {{0xe, 0x12}, {0x10, 0x14}};
+
+ // Only consider DDR2
+ wl = s->selected_timings.CAS - 1;
+ ta1 = ta2 = 6;
+ ta3 = s->selected_timings.CAS;
+ ta4 = 8;
+ s->selected_timings.tRFC = (s->selected_timings.tRFC + 1) & 0xfe;
+ trp = 0;
+ bank = 1;
+ page = 0;
+
+ MCHBAR8(0x240) = ((wl - 3) << 4) | (s->selected_timings.CAS - 3);
+
+ FOR_EACH_POPULATED_RANK(s->dimms, ch, r) {
+ i = ch << 1;
+ if (s->dimms[i].banks == 1) {
+ trp = 1;
+ bank = 0;
+ }
+ if (s->dimms[i].page_size == 2048) {
+ page = 1;
+ }
+ }
+ PRINTK_DEBUG("trp=%d bank=%d page=%d\n",trp, bank, page);
+
+ if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) {
+ flag = 0;
+ } else {
+ flag = 1;
+ }
+
+ MCHBAR8(0x26f) = MCHBAR8(0x26f) | 0x3;
+ MCHBAR16(0x250) = ((wl + 4 + s->selected_timings.tWR) << 6) |
+ ((2 + MAX(s->selected_timings.tRTP, 2)) << 2) | 1;
+ reg32 = (bank << 21) | (s->selected_timings.tRRD << 17) |
+ (s->selected_timings.tRP << 13) |
+ ((s->selected_timings.tRP + trp) << 9) |
+ s->selected_timings.tRFC;
+ if (bank == 0) {
+ reg32 |= (pagetab[flag][page] << 22);
+ }
+ MCHBAR16(0x252) = (u16) reg32;
+ MCHBAR16(0x254) = (u16) (reg32 >> 16);
+
+ reg16 = (MCHBAR16(0x254) & 0xfc0) >> 6;
+ MCHBAR16(0x62c) = (MCHBAR16(0x62c) & ~0x1f80) | (reg16 << 7);
+
+ reg16 = (s->selected_timings.tRCD << 12) | (4 << 8) | (ta2 << 4) | ta4;
+ MCHBAR16(0x256) = reg16;
+
+ reg32 = (s->selected_timings.tRCD << 17) |
+ ((wl + 4 + s->selected_timings.tWTR) << 12) |
+ (ta3 << 8) | (4 << 4) | ta1;
+ MCHBAR32(0x258) = reg32;
+
+ reg16 = ((s->selected_timings.tRP + trp) << 9) |
+ s->selected_timings.tRFC;
+ MCHBAR8(0x25b) = (u8) reg16;
+ MCHBAR8(0x25c) = (u8) (reg16 >> 8);
+
+ MCHBAR16(0x260) = (MCHBAR16(0x260) & ~0x3fe) | (100 << 1);
+ MCHBAR8(0x25d) = (MCHBAR8(0x25d) & ~0x3f) | s->selected_timings.tRAS;
+ MCHBAR16(0x244) = 0x2310;
+
+ MCHBAR8(0x246) = (MCHBAR8(0x246) & ~0x1f) | 1;
+
+ if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) {
+ reg32 = 3000;
+ } else {
+ reg32 = 2500;
+ }
+ if (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) {
+ reg2 = 6000;
+ } else {
+ reg2 = 5000;
+ }
+ reg16 = (u16)((((s->selected_timings.CAS + 7)*(reg32)) / reg2) << 8);
+ MCHBAR16(0x248) = (MCHBAR16(0x248) & ~0x1f00) | reg16;
+
+ flag = 0;
+ if (wl > 2) {
+ flag = 1;
+ }
+ reg16 = (u8) (wl - 1 - flag);
+ reg16 |= reg16 << 4;
+ reg16 |= flag << 8;
+ MCHBAR16(0x24d) = (MCHBAR16(0x24d) & ~0x1ff) | reg16;
+
+ MCHBAR16(0x25e) = 0x1585;
+ MCHBAR8(0x265) = MCHBAR8(0x265) & ~0x1f;
+ MCHBAR16(0x265) = (MCHBAR16(0x265) & ~0x3f00) |
+ ((s->selected_timings.CAS + 9) << 8);
+
+ if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) {
+ reg16 = 0x514;
+ reg32 = 0xa28;
+ } else {
+ reg16 = 0x618;
+ reg32 = 0xc30;
+ }
+ MCHBAR32(0x268) = (MCHBAR32(0x268) & ~0xfffff00) |
+ (0x3f << 22) | (reg32 << 8);
+ MCHBAR8(0x26c) = 0x00;
+ MCHBAR16(0x2b8) = (MCHBAR16(0x2b8) & 0xc000) | reg16;
+ MCHBAR8(0x274) = MCHBAR8(0x274) | 1;
+
+ MCHBAR32(0x248) = (MCHBAR32(0x248) & ~0x7f000000) | (0xb << 25);
+ i = s->selected_timings.mem_clock;
+ j = s->selected_timings.fsb_clock;
+ if (i > j) {
+ MCHBAR32(0x248) = MCHBAR32(0x248) | (1 << 24);
+ }
+
+ MCHBAR8(0x24c) = MCHBAR8(0x24c) & ~0x3;
+ MCHBAR16(0x24d) = (MCHBAR16(0x24d) & ~0x7c00) | ((wl + 10) << 10);
+ MCHBAR32(0x260) = (MCHBAR32(0x260) & ~0x70e0000) | (3 << 24) | (3 << 17);
+ reg16 = 0x15 << 6;
+ reg16 |= 0x1f;
+ reg16 |= (0x6 << 12);
+ MCHBAR16(0x26d) = (MCHBAR16(0x26d) & ~0x7fff) | reg16;
+
+ reg32 = (0x6 << 27) | (1 << 25);
+ MCHBAR32(0x268) = (MCHBAR32(0x268) & ~0x30000000) | ((u32)(reg32 << 8));
+ MCHBAR8(0x26c) = (MCHBAR8(0x26c) & ~0xfa) | ((u8)(reg32 >> 24));
+ MCHBAR8(0x271) = MCHBAR8(0x271) & ~(1 << 7);
+ MCHBAR8(0x274) = MCHBAR8(0x274) & ~0x6;
+ reg32 = (u32) ((6 << 30) | (4 << 25) | (1 << 20) | (8 << 15) |
+ (6 << 10) | (4 << 5) | 1);
+ MCHBAR32(0x278) = reg32;
+
+ MCHBAR16(0x27c) = (MCHBAR16(0x27c) & ~0x1ff) | (8 << 3) | (6 >> 2);
+ MCHBAR16(0x125) = MCHBAR16(0x125) | 0x1c00 | (0x1f << 5);
+ MCHBAR8(0x127) = (MCHBAR8(0x127) & ~0xff) | 0x40;
+ MCHBAR8(0x128) = (MCHBAR8(0x128) & ~0x7) | 0x5;
+ MCHBAR8(0x129) = MCHBAR8(0x129) | 0x1f;
+ reg8 = 3 << 6;
+ reg8 |= (s->dt0mode << 4);
+ reg8 |= 0x0c;
+ MCHBAR8(0x12f) = (MCHBAR8(0x12f) & ~0xdf) | reg8;
+ MCHBAR8(0x18c) = MCHBAR8(0x18c) & ~0x2;
+ MCHBAR8(0x228) = (MCHBAR8(0x228) & ~0x7) | 0x2;
+ MCHBAR16(0x241) = (MCHBAR16(0x241) & ~0x3fc) | (4 << 2);
+ reg32 = (2 << 29) | (1 << 28) | (1 << 23);
+ MCHBAR32(0x120) = (MCHBAR32(0x120) & ~0xffb00000) | reg32;
+
+ reg8 = (u8) ((MCHBAR16(0x252) & 0xe000) >> 13);
+ reg8 |= (u8) ((MCHBAR16(0x254) & 1) << 3);
+ MCHBAR8(0x12d) = (MCHBAR8(0x12d) & ~0xf0) | (reg8 << 4);
+ reg8 = (u8) ((MCHBAR32(0x258) & 0xf0000) >> 17);
+ MCHBAR8(0x12d) = (MCHBAR8(0x12d) & ~0xf) | reg8;
+ MCHBAR8(0x12e) = MCHBAR8(0x12e) & ~0xfc;
+ MCHBAR8(0x12e) = MCHBAR8(0x12e) & ~0x3;
+ MCHBAR8(0x12f) = MCHBAR8(0x12f) & ~0x3;
+ MCHBAR8(0x241) = MCHBAR8(0x241) | 1;
+ MCHBAR16(0x1b6) = MCHBAR16(0x1b6) | (1 << 9);
+ for (i = 0; i < 8; i++) {
+ MCHBAR32(0x540 + i*4) = (MCHBAR32(0x540 + i*4) & ~0x3f3f3f3f) |
+ 0x0c0c0c0c;
+ }
+ MCHBAR32(0x248) = (MCHBAR32(0x248) & ~0xf0000) |
+ ((s->selected_timings.CAS + 1) << 16);
+ for (i = 0; i < 8; i++) {
+ MCHBAR8(0x560 + i*4) = MCHBAR8(0x560 + i*4) & ~0x3f;
+ MCHBAR16(0x58c) = MCHBAR16(0x58c) & ((u16) (~(3 << (i*2))));
+ MCHBAR16(0x588) = MCHBAR16(0x588) & ((u16) (~(3 << (i*2))));
+ MCHBAR16(0x5fa) = MCHBAR16(0x5fa) & ((u16) (~(3 << (i*2))));
+ }
+ MCHBAR8(0x5f0) = MCHBAR8(0x5f0) & ~0x1;
+ MCHBAR8(0x5f0) = MCHBAR8(0x5f0) | 0x2;
+ MCHBAR8(0x5f0) = MCHBAR8(0x5f0) | 0x4;
+ MCHBAR32(0x2c0) = MCHBAR32(0x2c0) | 0xc0400;
+ MCHBAR32(0x594) = MCHBAR32(0x594) | (1 << 31);
+}
+
+static void sdram_p_clkset0(struct pllparam *pll, u8 f, u8 i)
+{
+ MCHBAR16(0x5a0) = (MCHBAR16(0x5a0) & ~0xc440) |
+ (pll->clkdelay[f][i] << 14) |
+ (pll->dben[f][i] << 10) |
+ (pll->dbsel[f][i] << 6);
+ MCHBAR8(0x581) = (MCHBAR8(0x581) & ~0x3f) | pll->pi[f][i];
+}
+
+static void sdram_p_clkset1(struct pllparam *pll, u8 f, u8 i)
+{
+ MCHBAR16(0x5a0) = (MCHBAR16(0x5a0) & ~0x30880) |
+ (pll->clkdelay[f][i] << 16) |
+ (pll->dben[f][i] << 11) |
+ (pll->dbsel[f][i] << 7);
+ MCHBAR8(0x582) = (MCHBAR8(0x582) & ~0x3f) | pll->pi[f][i];
+}
+
+static void sdram_p_cmd(struct pllparam *pll, u8 f, u8 i)
+{
+ u8 reg8;
+ reg8 = pll->dbsel[f][i] << 5;
+ reg8 |= pll->dben[f][i] << 6;
+ MCHBAR8(0x594) = (MCHBAR8(0x594) & ~0x60) | reg8;
+
+ reg8 = pll->clkdelay[f][i] << 4;
+ MCHBAR8(0x598) = (MCHBAR8(0x598) & ~0x30) | reg8;
+
+ reg8 = pll->pi[f][i];
+ MCHBAR8(0x580) = (MCHBAR8(0x580) & ~0x3f) | reg8;
+ MCHBAR8(0x583) = (MCHBAR8(0x583) & ~0x3f) | reg8;
+}
+
+static void sdram_p_ctrl(struct pllparam *pll, u8 f, u8 i)
+{
+ u8 reg8;
+ u32 reg32;
+ reg32 = ((u32) pll->dbsel[f][i]) << 20;
+ reg32 |= ((u32) pll->dben[f][i]) << 21;
+ reg32 |= ((u32) pll->dbsel[f][i]) << 22;
+ reg32 |= ((u32) pll->dben[f][i]) << 23;
+ reg32 |= ((u32) pll->clkdelay[f][i]) << 24;
+ reg32 |= ((u32) pll->clkdelay[f][i]) << 27;
+ MCHBAR32(0x59c) = (MCHBAR32(0x59c) & ~0x1bf0000) | reg32;
+
+ reg8 = pll->pi[f][i];
+ MCHBAR8(0x584) = (MCHBAR8(0x584) & ~0x3f) | reg8;
+ MCHBAR8(0x585) = (MCHBAR8(0x585) & ~0x3f) | reg8;
+
+ reg32 = ((u32) pll->dbsel[f][i]) << 12;
+ reg32 |= ((u32) pll->dben[f][i]) << 13;
+ reg32 |= ((u32) pll->dbsel[f][i]) << 8;
+ reg32 |= ((u32) pll->dben[f][i]) << 9;
+ reg32 |= ((u32) pll->clkdelay[f][i]) << 14;
+ reg32 |= ((u32) pll->clkdelay[f][i]) << 10;
+ MCHBAR32(0x598) = (MCHBAR32(0x598) & ~0xff00) | reg32;
+
+ reg8 = pll->pi[f][i];
+ MCHBAR8(0x586) = (MCHBAR8(0x586) & ~0x3f) | reg8;
+ MCHBAR8(0x587) = (MCHBAR8(0x587) & ~0x3f) | reg8;
+}
+
+static void sdram_p_dqs(struct pllparam *pll, u8 f, u8 clk)
+{
+ u8 rank, dqs, reg8, j;
+ u32 reg32;
+
+ j = clk - 40;
+ reg8 = 0;
+ reg32 = 0;
+ rank = j % 4;
+ dqs = j / 4;
+
+ reg32 |= ((u32) pll->dben[f][clk]) << (dqs + 9);
+ reg32 |= ((u32) pll->dbsel[f][clk]) << dqs;
+ MCHBAR32(0x5b4+rank*4) = (MCHBAR32(0x5b4+rank*4) &
+ ~( (1 << (dqs+9))|(1 << dqs) )) | reg32;
+
+ reg32 = ((u32) pll->clkdelay[f][clk]) << ((dqs*2) + 16);
+ MCHBAR32(0x5c8+rank*4) = (MCHBAR32(0x5c8+rank*4) &
+ ~( (1 << (dqs*2 + 17))|(1 << (dqs*2 + 16)) )) | reg32;
+
+ reg8 = pll->pi[f][clk];
+ MCHBAR8(0x520+j) = (MCHBAR8(0x520+j) & ~0x3f) | reg8;
+}
+
+
+static void sdram_p_dq(struct pllparam *pll, u8 f, u8 clk)
+{
+ u8 rank, dq, reg8, j;
+ u32 reg32;
+
+ j = clk - 8;
+ reg8 = 0;
+ reg32 = 0;
+ rank = j % 4;
+ dq = j / 4;
+
+ reg32 |= ((u32) pll->dben[f][clk]) << (dq + 9);
+ reg32 |= ((u32) pll->dbsel[f][clk]) << dq;
+ MCHBAR32(0x5a4+rank*4) = (MCHBAR32(0x5a4+rank*4) &
+ ~( (1 << (dq+9))|(1 << dq) )) | reg32;
+
+ reg32 = ((u32) pll->clkdelay[f][clk]) << (dq*2);
+ MCHBAR32(0x5c8+rank*4) = (MCHBAR32(0x5c8+rank*4) &
+ ~( (1 << (dq*2 + 1))|(1 << (dq*2)) )) | reg32;
+
+ reg8 = pll->pi[f][clk];
+ MCHBAR8(0x500+j) = (MCHBAR8(0x500+j) & ~0x3f) | reg8;
+}
+
+static void sdram_calibratepll(struct sys_info *s, u8 pidelay)
+{
+ struct pllparam pll = {
+ .pi = {
+ { // 667
+ 3, 3, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5,
+ 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 1, 1, 1, 1, 3, 3, 3, 3
+ },
+ { // 800
+ 53, 53, 10, 10, 5, 5, 5, 5, 27, 27, 27, 27,
+ 34, 34, 34, 34, 34, 34, 34, 34, 39, 39, 39, 39,
+ 47, 47, 47, 47, 44, 44, 44, 44, 47, 47, 47, 47,
+ 47, 47, 47, 47, 59, 59, 59, 59, 2, 2, 2, 2,
+ 2, 2, 2, 2, 7, 7, 7, 7, 15, 15, 15, 15,
+ 12, 12, 12, 12, 15, 15, 15, 15, 15, 15, 15, 15
+ }},
+
+ .dben = {
+ { // 667
+ 0,0,1,1,1,1,1,1,1,1,1,1,
+ 1,1,1,1,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,
+ 1,1,1,1,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0
+ },
+ { // 800
+ 1,1,1,1,1,1,1,1,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1,0,0,0,0,
+ 1,1,1,1,0,0,0,0,0,0,0,0
+ }},
+
+ .dbsel = {
+ { // 667
+ 0,0,1,1,1,1,1,1,1,1,1,1,
+ 1,1,1,1,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,
+ 1,1,1,1,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0
+ },
+ { // 800
+ 0,0,1,1,1,1,1,1,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,1,1,1,1,
+ 1,1,1,1,1,1,1,1,0,0,0,0,
+ 1,1,1,1,0,0,0,0,0,0,0,0
+ }},
+
+ .clkdelay = {
+ { // 667
+ 0,0,1,1,0,0,0,0,1,1,1,1,
+ 1,1,1,1,1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1,1,1,1,1,
+ 1,1,1,1,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0
+ },
+ { // 800
+ 0,0,0,0,0,0,0,0,1,1,1,1,
+ 1,1,1,1,1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1,1,1,1,1,
+ 1,1,1,1,0,0,0,0,1,1,1,1,
+ 1,1,1,1,1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1,1,1,1,1
+ }}
+ };
+
+ u8 i, f;
+ if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) {
+ f = 0;
+ } else {
+ f = 1;
+ }
+ for (i = 0; i < 72; i++) {
+ pll.pi[f][i] += pidelay;
+ }
+
+ MCHBAR8(0x1a4) = MCHBAR8(0x1a4) & ~(1 << 7);
+ MCHBAR16(0x190) = (MCHBAR16(0x190) & (u16) ~(0x3fff)) | 0x1fff;
+
+ sdram_p_clkset0(&pll, f, 0);
+ sdram_p_clkset1(&pll, f, 1);
+ sdram_p_cmd(&pll, f, 2);
+ sdram_p_ctrl(&pll, f, 4);
+ for (i = 0; i < 32; i++) {
+ sdram_p_dqs(&pll, f, i+40);
+ }
+ for (i = 0; i < 32; i++) {
+ sdram_p_dq(&pll, f, i+8);
+ }
+}
+
+static void sdram_calibratehwpll(struct sys_info *s)
+{
+ u8 reg8;
+
+ s->async = 0;
+ reg8 = 0;
+ MCHBAR16(0x180) = MCHBAR16(0x180) | (1 << 15);
+ MCHBAR8(0x180) = MCHBAR8(0x180) & ~(1 << 7);
+ MCHBAR8(0x180) = MCHBAR8(0x180) | (1 << 3);
+ MCHBAR8(0x180) = MCHBAR8(0x180) | (1 << 2);
+
+ MCHBAR8(0x180) = MCHBAR8(0x180) | (1 << 7);
+ while ((MCHBAR8(0x180) & (1 << 2)) == 0);
+
+ reg8 = (MCHBAR8(0x180) & (1 << 3)) >> 3;
+ if (reg8 != 0) {
+ s->async = 1;
+ }
+}
+
+static void sdram_dlltiming(struct sys_info *s)
+{
+ u8 reg8, i, pipost;
+ u16 reg16;
+ u32 reg32;
+
+ if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) {
+ reg32 = 0x8014227;
+ } else {
+ reg32 = 0x14221;
+ }
+ MCHBAR32(0x19c) = (MCHBAR32(0x19c) & ~0xfffffff) | reg32;
+ MCHBAR32(0x19c) = MCHBAR32(0x19c) | (1 << 23);
+ MCHBAR32(0x19c) = MCHBAR32(0x19c) | (1 << 15);
+ MCHBAR32(0x19c) = MCHBAR32(0x19c) & ~(1 << 15);
+
+ if (s->nodll) {
+ MCHBAR16(0x198) = MCHBAR16(0x198) | (1 << 0);
+ MCHBAR16(0x198) = MCHBAR16(0x198) | (1 << 2);
+ MCHBAR16(0x198) = MCHBAR16(0x198) | (1 << 4);
+ MCHBAR16(0x198) = MCHBAR16(0x198) | (1 << 8);
+ MCHBAR16(0x198) = MCHBAR16(0x198) | (1 << 10);
+ MCHBAR16(0x198) = MCHBAR16(0x198) | (1 << 12);
+ MCHBAR16(0x198) = MCHBAR16(0x198) | (1 << 14);
+ } else {
+ MCHBAR16(0x198) = MCHBAR16(0x198) & ~(1 << 0);
+ MCHBAR16(0x198) = MCHBAR16(0x198) & ~(1 << 2);
+ MCHBAR16(0x198) = MCHBAR16(0x198) & ~(1 << 4);
+ MCHBAR16(0x198) = MCHBAR16(0x198) & ~(1 << 8);
+ MCHBAR16(0x198) = MCHBAR16(0x198) & ~(1 << 10);
+ MCHBAR16(0x198) = MCHBAR16(0x198) & ~(1 << 12);
+ MCHBAR16(0x198) = MCHBAR16(0x198) & ~(1 << 14);
+ }
+
+ if (s->nodll) {
+ MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x3f) | 0x7;
+ } else {
+ MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x3f);
+ }
+
+ sdram_calibratepll(s, 0); // XXX check
+
+ MCHBAR16(0x5f0) = MCHBAR16(0x5f0) | (1 << 11);
+ MCHBAR16(0x5f0) = MCHBAR16(0x5f0) | (1 << 12);
+
+ for (i = 0; i < 8; i++) {
+ MCHBAR16(0x5f0) = MCHBAR16(0x5f0) | ((1 << 10) >> i);
+ }
+ MCHBAR8(0x2c14) = MCHBAR8(0x2c14) | 1;
+ MCHBAR16(0x182) = 0x5005;
+ MCHBAR16(0x18a) = (MCHBAR16(0x18a) & ~0x1f1f) | 0x51a;
+ MCHBAR16(0x2c00) = (MCHBAR16(0x2c00) & ~0xbf3f) | 0x9010;
+
+ if (s->nodll) {
+ MCHBAR8(0x18e) = (MCHBAR8(0x18e) & ~0x7f) | 0x6b;
+ } else {
+ MCHBAR8(0x18e) = (MCHBAR8(0x18e) & ~0x7f) | 0x55;
+ sdram_calibratehwpll(s);
+ }
+ pipost = 0x34;
+
+ MCHBAR32(0x248) = MCHBAR32(0x248) & ~(1 << 22);
+ MCHBAR8(0x5d9) = MCHBAR8(0x5d9) & ~0x2;
+ MCHBAR8(0x189) = MCHBAR8(0x189) | 0xc0;
+ MCHBAR8(0x189) = MCHBAR8(0x189) & ~(1 << 5);
+ MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xc0) | (1 << 6);
+ MCHBAR8(0x188) = (MCHBAR8(0x188) & ~0x3f) | 0x1a;
+ MCHBAR8(0x188) = MCHBAR8(0x188) | 1;
+
+ MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 1;
+ MCHBAR32(0x1a0) = 0x551803;
+ if (ONLY_DIMMA_IS_POPULATED(s->dimms, 0)) {
+ reg8 = 0x3c;
+ } else if (ONLY_DIMMB_IS_POPULATED(s->dimms, 0)) {
+ reg8 = 0x27;
+ } else if (BOTH_DIMMS_ARE_POPULATED(s->dimms, 0)) {
+ reg8 = 0x24;
+ } else {
+ // None
+ reg8 = 0x3f;
+ }
+ reg8 = 0x00; //switch all clocks on anyway
+
+ MCHBAR32(0x5a0) = (MCHBAR32(0x5a0) & ~0x3f000000) | (reg8 << 24);
+ MCHBAR8(0x594) = MCHBAR8(0x594) & ~1;
+ reg16 = 0;
+ if (!RANK_IS_POPULATED(s->dimms, 0, 0)) {
+ reg16 |= (1 << 8) | (1 << 4) | (1 << 0);
+ }
+ if (!RANK_IS_POPULATED(s->dimms, 0, 1)) {
+ reg16 |= (1 << 9) | (1 << 5) | (1 << 1);
+ }
+ if (!RANK_IS_POPULATED(s->dimms, 0, 2)) {
+ reg16 |= (1 << 10) | (1 << 6) | (1 << 2);
+ }
+ if (!RANK_IS_POPULATED(s->dimms, 0, 3)) {
+ reg16 |= (1 << 11) | (1 << 7) | (1 << 3);
+ }
+ MCHBAR16(0x59c) = MCHBAR16(0x59c) | reg16;
+}
+
+static void sdram_rcomp(struct sys_info *s)
+{
+ u8 i, j, reg8, f, rcompp, rcompn, srup, srun;
+ u16 reg16;
+ u32 reg32, rcomp1, rcomp2;
+
+ u8 rcompupdate[7] = { 0, 0, 0, 1, 1, 0, 0 };
+ u8 rcompslew = 0xa;
+ u8 rcompstr[7] = { 0x66, 0, 0xaa, 0x55, 0x55, 0x77, 0x77 };
+ u16 rcompscomp[7] = { 0xa22a, 0, 0xe22e, 0xe22e, 0xe22e, 0xa22a, 0xa22a };
+ u8 rcompdelay[7] = { 1, 0, 0, 0, 0, 1, 1 };
+ u16 rcompctl[7] = { 0x31c, 0, 0x374, 0x3a2, 0x3d0, 0x3fe, 0x42c };
+ u16 rcompf[7] = { 0x1114, 0, 0x0505, 0x0909, 0x0909, 0x0a0a, 0x0a0a };
+
+ // NC-NC x16SS x16DS x16SS2 x16DS2 x8DS, x8DS2
+ u8 rcompstr2[7] = { 0x00, 0x55, 0x55, 0xaa, 0xaa , 0x55, 0xaa};
+ u16 rcompscomp2[7] = { 0x0000, 0xe22e, 0xe22e, 0xe22e, 0x8228 , 0xe22e, 0x8228 };
+ u8 rcompdelay2[7] = { 0, 0, 0, 0, 2 , 0, 2};
+
+ u8 rcomplut[64][12] = {
+ { 9, 9,11,11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 9, 9,11, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 10,9,12, 11, 2, 2, 5,5, 6, 6,5, 5},
+ { 10,9,12, 11, 2, 2, 6,5, 7, 6,6, 5},
+ { 10,10,12, 12, 2, 2, 6,5, 7, 6,6, 5},
+ { 10,10,12, 12, 2, 2, 6,6, 7, 7,6, 6},
+ { 10,10,12, 12, 3, 2, 6,6, 7, 7,6, 6},
+ { 10,10,12, 12, 3, 2, 6,6, 7, 7,6, 6},
+ { 10,10,12, 12, 3, 2, 6,6, 7, 7,6, 6},
+ { 10,10,12, 12, 3, 3, 6,6, 7, 7,6, 6},
+ { 10,10,12, 12, 3, 3, 6,6, 7, 7,6, 6},
+ { 10,10,12, 12, 3, 3, 6,6, 7, 7,6, 6},
+ { 10,10,12, 12, 3, 3, 6,6, 7, 7,6, 6},
+ { 10,10,12, 12, 3, 3, 6,6, 7, 7,6, 6},
+ { 11,10,12, 12, 3, 3, 6,6, 7, 7,6, 6},
+ { 11,10,14, 13, 3, 3, 6,6, 7, 7,6, 6},
+ { 12,10,14, 13, 3, 3, 6,6, 7, 7,6, 6},
+ { 12,12,14, 13, 3, 3, 7,6, 7, 7,7, 6},
+ { 13,12,16, 15, 3, 3, 7,6, 8, 7,7, 6},
+ { 13,14,16, 15, 4, 3, 7,7, 8, 8,7, 7},
+ { 14,14,16, 17, 4, 3, 7,7, 8, 8,7, 7},
+ { 14,16,18, 17, 4, 4, 8,7, 8, 8,8, 7},
+ { 15,16,18, 19, 4, 4, 8,7, 9, 8,8, 7},
+ { 15,18,18, 19, 4, 4, 8,8, 9, 9,8, 8},
+ { 16,18,20, 21, 4, 4, 8,8, 9, 9,8, 8},
+ { 16,19,20, 21, 5, 4, 9,8, 10, 9,9, 8},
+ { 16,19,20, 23, 5, 5, 9,9, 10, 10,9, 9},
+ { 17,19,22, 23, 5, 5, 9,9, 10, 10,9, 9},
+ { 17,20,22, 25, 5, 5, 9,9, 10, 10,9, 9},
+ { 17,20,22, 25, 5, 5, 9,9, 10, 10,9, 9},
+ { 18,20,22, 25, 5, 5, 9,9, 10, 10,9, 9},
+ { 18,21,24, 25, 5, 5, 9,9, 11, 10,9, 9},
+ { 19,21,24, 27, 5, 5, 9, 9, 11, 11,9, 9},
+ { 19,22,24, 27, 5, 5, 10,9, 11, 11,10, 9},
+ { 20,22,24, 27, 6, 5, 10,10, 11, 11,10, 10},
+ { 20,23,26, 27, 6, 6, 10,10, 12, 12,10, 10},
+ { 20,23,26, 29, 6, 6, 10,10, 12, 12,10, 10},
+ { 21,24,26, 29, 6, 6, 10,10, 12, 12,10, 10},
+ { 21,24,26, 29, 6, 6, 11,10, 12, 13,11, 10},
+ { 22,25,28, 29, 6, 6, 11,11, 13, 13,11, 11},
+ { 22,25,28, 31, 6, 6, 11,11, 13, 13,11, 11},
+ { 22,26,28, 31, 6, 6, 11,11, 13, 14,11, 11},
+ { 23,26,30, 31, 7, 6, 12,11, 14, 14,12, 11},
+ { 23,27,30, 33, 7, 7, 12,12, 14, 14,12, 12},
+ { 23,27,30, 33, 7, 7, 12,12, 14, 15,12, 12},
+ { 24,28,32, 33, 7, 7, 12,12, 15, 15,12, 12},
+ { 24,28,32, 33, 7, 7, 12,12, 15, 16,12, 12},
+ { 24,29,32, 35, 7, 7, 12,12, 15, 16,12, 12},
+ { 25,29,32, 35, 7, 7, 12,12, 15, 17,12, 12},
+ { 25,30,32, 35, 7, 7, 12,12, 15, 17,12, 12},
+ { 25,30,32, 35, 7, 7, 12,12, 15, 17,12, 12},
+ };
+
+ srup = 0;
+ srun = 0;
+
+ if (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) {
+ f = 0;
+ rcomp1 = 0x00050431;
+ } else {
+ f = 1;
+ rcomp1 = 0x00050542;
+ }
+ if (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) {
+ rcomp2 = 0x14C42827;
+ } else {
+ rcomp2 = 0x19042827;
+ }
+
+ for (i = 0; i < 7; i++) {
+ if (i == 1)
+ continue;
+ reg8 = rcompupdate[i];
+ MCHBAR8(rcompctl[i]) = (MCHBAR8(rcompctl[i]) & ~0x1) | reg8;
+ MCHBAR8(rcompctl[i]) = MCHBAR8(rcompctl[i]) & ~0x2;
+ reg16 = (u16) rcompslew;
+ MCHBAR16(rcompctl[i]) = (MCHBAR16(rcompctl[i]) & ~0xf000) |
+ (reg16 << 12);
+ MCHBAR8(rcompctl[i]+4) = rcompstr[i];
+ MCHBAR16(rcompctl[i]+0xe) = rcompscomp[i];
+ MCHBAR8(rcompctl[i]+0x14) = (MCHBAR8(rcompctl[i]+0x14) & ~0x3) |
+ rcompdelay[i];
+ if (i == 2) {
+ reg16 = (u16) rcompslew;
+ MCHBAR16(rcompctl[i]) = (MCHBAR16(rcompctl[i]) &
+ ~0xf000) | (reg16 << 12);
+ MCHBAR8(rcompctl[i]+4) = rcompstr2[s->dimm_config[0]];
+ MCHBAR16(rcompctl[i]+0xe) = rcompscomp2[s->dimm_config[0]];
+ MCHBAR8(rcompctl[i]+0x14) = (MCHBAR8(rcompctl[i]+0x14) &
+ ~0x3) | rcompdelay2[s->dimm_config[0]];
+ }
+
+ MCHBAR16(rcompctl[i]+0x16) = MCHBAR16(rcompctl[i]+0x16) & ~0x7f7f;
+ MCHBAR16(rcompctl[i]+0x18) = MCHBAR16(rcompctl[i]+0x18) & ~0x3f3f;
+ MCHBAR16(rcompctl[i]+0x1a) = MCHBAR16(rcompctl[i]+0x1a) & ~0x3f3f;
+ MCHBAR16(rcompctl[i]+0x1c) = MCHBAR16(rcompctl[i]+0x1c) & ~0x3f3f;
+ MCHBAR16(rcompctl[i]+0x1e) = MCHBAR16(rcompctl[i]+0x1e) & ~0x3f3f;
+ }
+
+ MCHBAR8(0x45a) = (MCHBAR8(0x45a) & ~0x3f) | 0x36;
+ MCHBAR8(0x462) = (MCHBAR8(0x462) & ~0x3f) | 0x36;
+
+ for (i = 0; i < 7; i++) {
+ if (i == 1)
+ continue;
+ MCHBAR8(rcompctl[i]) = MCHBAR8(rcompctl[i]) & ~0x60;
+ MCHBAR16(rcompctl[i]+2) = MCHBAR16(rcompctl[i]+2) & ~0x706;
+ MCHBAR16(rcompctl[i]+0xa) = MCHBAR16(rcompctl[i]+0xa) & ~0x7f7f;
+ MCHBAR16(rcompctl[i]+0x12) = MCHBAR16(rcompctl[i]+0x12) & ~0x3f3f;
+ MCHBAR16(rcompctl[i]+0x24) = MCHBAR16(rcompctl[i]+0x24) & ~0x1f1f;
+ MCHBAR8(rcompctl[i]+0x26) = MCHBAR8(rcompctl[i]+0x26) & ~0x1f;
+ }
+
+ MCHBAR16(0x45a) = MCHBAR16(0x45a) & ~0xffc0;
+ MCHBAR16(0x45c) = MCHBAR16(0x45c) & ~0xf;
+ MCHBAR16(0x462) = MCHBAR16(0x462) & ~0xffc0;
+ MCHBAR16(0x464) = MCHBAR16(0x464) & ~0xf;
+
+ for (i = 0; i < 7; i++) {
+ if (i == 1)
+ continue;
+ MCHBAR16(rcompctl[i]+0x10) = rcompf[i];
+ MCHBAR16(rcompctl[i]+0x20) = 0x1219;
+ MCHBAR16(rcompctl[i]+0x22) = 0x000C;
+ }
+
+ MCHBAR32(0x164) = (MCHBAR32(0x164) & ~0x1f1f1f) | 0x0c1219;
+ MCHBAR16(0x4b0) = (MCHBAR16(0x4b0) & ~0x1f00) | 0x1200;
+ MCHBAR8(0x4b0) = (MCHBAR8(0x4b0) & ~0x1f) | 0x12;
+ MCHBAR32(0x138) = 0x007C9007;
+ MCHBAR32(0x16c) = rcomp1;
+ MCHBAR16(0x17a) = 0x1f7f;
+ MCHBAR32(0x134) = rcomp2;
+ MCHBAR16(0x170) = (MCHBAR16(0x170) & ~0xf) | 1;
+ MCHBAR16(0x178) = 0x134;
+ MCHBAR32(0x130) = 0x4C293600;
+ MCHBAR8(0x133) = (MCHBAR8(0x133) & ~0x44) | (1 << 6) | (1 << 2);
+ MCHBAR16(0x4b0) = MCHBAR16(0x4b0) & ~(1 << 13);
+ MCHBAR8(0x4b0) = MCHBAR8(0x4b0) & ~(1 << 5);
+
+ for (i = 0; i < 7; i++) {
+ if (i == 1)
+ continue;
+ MCHBAR8(rcompctl[i]+2) = MCHBAR8(rcompctl[i]) & ~0x71;
+ }
+
+ if ((MCHBAR32(0x130) & (1 << 30)) == 0) {
+ MCHBAR8(0x130) = MCHBAR8(0x130) | 0x1;
+ while ((MCHBAR8(0x130) & 0x1) != 0);
+
+ reg32 = MCHBAR32(0x13c);
+ rcompp = (u8) ((reg32 & ~(1 << 31)) >> 24);
+ rcompn = (u8) ((reg32 & ~(0xff800000)) >> 16);
+
+ for (i = 0; i < 7; i++) {
+ if (i == 1)
+ continue;
+ srup = (MCHBAR8(rcompctl[i]+1) & 0xc0) >> 6;
+ srun = (MCHBAR8(rcompctl[i]+1) & 0x30) >> 4;
+ reg16 = (u16)(rcompp - (1 << (srup + 1))) << 8;
+ MCHBAR16(rcompctl[i]+0x16) = (MCHBAR16(rcompctl[i]+0x16)
+ & ~0x7f00) | reg16;
+ reg16 = (u16)(rcompn - (1 << (srun + 1)));
+ MCHBAR8(rcompctl[i]+0x16) = (MCHBAR8(rcompctl[i]+0x16) &
+ ~0x7f) | (u8)reg16;
+ }
+
+ reg8 = rcompp - (1 << (srup + 1));
+ for (i = 0, j = reg8; i < 4; i++, j += (1 << srup)) {
+ MCHBAR8(rcompctl[0]+0x18+i) =
+ (MCHBAR8(rcompctl[0]+0x18+i) & ~0x3f) |
+ rcomplut[j][0];
+ }
+
+ for (i = 0, j = reg8; i < 4; i++, j += (1 << srup)) {
+ if (s->dimm_config[0] < 3 || s->dimm_config[0] == 5) {
+ MCHBAR8(rcompctl[2]+0x18+i) =
+ (MCHBAR8(rcompctl[2]+0x18+i) & ~0x3f) |
+ rcomplut[j][10];
+ }
+ }
+
+ for (i = 0, j = reg8; i < 4; i++, j += (1 << srup)) {
+ MCHBAR8(rcompctl[3]+0x18+i) =
+ (MCHBAR8(rcompctl[3]+0x18+i) & ~0x3f) |
+ rcomplut[j][6];
+ MCHBAR8(rcompctl[4]+0x18+i) =
+ (MCHBAR8(rcompctl[4]+0x18+i) & ~0x3f) |
+ rcomplut[j][6];
+ }
+
+ for (i = 0, j = reg8; i < 4; i++, j += (1 << srup)) {
+ MCHBAR8(rcompctl[5]+0x18+i) =
+ (MCHBAR8(rcompctl[5]+0x18+i) & ~0x3f) |
+ rcomplut[j][8];
+ MCHBAR8(rcompctl[6]+0x18+i) =
+ (MCHBAR8(rcompctl[6]+0x18+i) & ~0x3f) |
+ rcomplut[j][8];
+ }
+
+ reg8 = rcompn - (1 << (srun + 1));
+ for (i = 0, j = reg8; i < 4; i++, j += (1 << srun)) {
+ MCHBAR8(rcompctl[0]+0x1c+i) =
+ (MCHBAR8(rcompctl[0]+0x1c+i) & ~0x3f) |
+ rcomplut[j][1];
+ }
+
+ for (i = 0, j = reg8; i < 4; i++, j += (1 << srun)) {
+ if (s->dimm_config[0] < 3 || s->dimm_config[0] == 5) {
+ MCHBAR8(rcompctl[2]+0x1c+i) =
+ (MCHBAR8(rcompctl[2]+0x1c+i) & ~0x3f) |
+ rcomplut[j][11];
+ }
+ }
+
+ for (i = 0, j = reg8; i < 4; i++, j += (1 << srun)) {
+ MCHBAR8(rcompctl[3]+0x1c+i) =
+ (MCHBAR8(rcompctl[3]+0x1c+i) & ~0x3f) |
+ rcomplut[j][7];
+ MCHBAR8(rcompctl[4]+0x1c+i) =
+ (MCHBAR8(rcompctl[4]+0x1c+i) & ~0x3f) |
+ rcomplut[j][7];
+ }
+
+ for (i = 0, j = reg8; i < 4; i++, j += (1 << srun)) {
+ MCHBAR8(rcompctl[5]+0x1c+i) =
+ (MCHBAR8(rcompctl[5]+0x1c+i) & ~0x3f) |
+ rcomplut[j][9];
+ MCHBAR8(rcompctl[6]+0x1c+i) =
+ (MCHBAR8(rcompctl[6]+0x1c+i) & ~0x3f) |
+ rcomplut[j][9];
+ }
+ }
+ MCHBAR8(0x130) = MCHBAR8(0x130) | 1;
+}
+
+static void sdram_odt(struct sys_info *s)
+{
+ u8 rankindex = 0;
+
+ u16 odt294[16] = {
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0044, 0x1111, 0x0000, 0x1111,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0044, 0x1111, 0x0000, 0x1111
+ };
+ u16 odt298[16] = {
+ 0x0000, 0x0011, 0x0000, 0x0011,
+ 0x0000, 0x4444, 0x0000, 0x4444,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x4444, 0x0000, 0x4444
+ };
+
+ switch (s->dimms[0].ranks) {
+ case 0:
+ if (s->dimms[1].ranks == 0) {
+ rankindex = 0;
+ } else if (s->dimms[1].ranks == 1) {
+ rankindex = 4;
+ } else if (s->dimms[1].ranks == 2) {
+ rankindex = 12;
+ }
+ break;
+ case 1:
+ if (s->dimms[1].ranks == 0) {
+ rankindex = 1;
+ } else if (s->dimms[1].ranks == 1) {
+ rankindex = 5;
+ } else if (s->dimms[1].ranks == 2) {
+ rankindex = 13;
+ }
+ break;
+ case 2:
+ if (s->dimms[1].ranks == 0) {
+ rankindex = 3;
+ } else if (s->dimms[1].ranks == 1) {
+ rankindex = 7;
+ } else if (s->dimms[1].ranks == 2) {
+ rankindex = 15;
+ }
+ break;
+ }
+
+ MCHBAR16(0x298) = odt298[rankindex];
+ MCHBAR16(0x294) = odt294[rankindex];
+}
+
+static void sdram_mmap(struct sys_info *s)
+{
+ u32 w260[7] = {0, 0x400001, 0xc00001, 0x500000, 0xf00000, 0xc00001, 0xf00000};
+ u32 w208[7] = {0, 0x10000, 0x1010000, 0x10001, 0x1010101, 0x1010000, 0x1010101};
+ u32 w200[7] = {0, 0, 0, 0x20002, 0x40002, 0, 0x40002};
+ u32 w204[7] = {0, 0x20002, 0x40002, 0x40004, 0x80006, 0x40002, 0x80006};
+
+ u16 tolud[7] = {0x800, 0x800, 0x1000, 0x1000, 0x2000, 0x1000, 0x2000};
+ u16 tom[7] = {0x2, 0x2, 0x4, 0x4, 0x8, 0x4, 0x8};
+ u16 touud[7] = {0x80, 0x80, 0x100, 0x100, 0x200, 0x100, 0x200};
+ u32 gbsm[7] = {0x8000000, 0x8000000, 0x10000000, 0x8000000, 0x20000000, 0x10000000, 0x20000000};
+ u32 bgsm[7] = {0x8000000, 0x8000000, 0x10000000, 0x8000000, 0x20000000, 0x10000000, 0x20000000};
+ u32 tsegmb[7] = {0x8000000, 0x8000000, 0x10000000, 0x8000000, 0x20000000, 0x10000000, 0x20000000};
+
+ if ((s->dimm_config[0] < 3) && RANK_IS_POPULATED(s->dimms, 0, 0)) {
+ if (s->dimms[0].sides > 1) {
+ // 2R/NC
+ MCHBAR32(0x260) = (MCHBAR32(0x260) & ~0x1) | 0x300001;
+ MCHBAR32(0x208) = 0x101;
+ MCHBAR32(0x200) = 0x40002;
+ MCHBAR32(0x204) = w204[s->dimm_config[0]];
+ } else {
+ // 1R/NC
+ MCHBAR32(0x260) = (MCHBAR32(0x260) & ~0x1) | 0x100001;
+ MCHBAR32(0x208) = 0x1;
+ MCHBAR32(0x200) = 0x20002;
+ MCHBAR32(0x204) = w204[s->dimm_config[0]];
+ }
+ } else if ((s->dimm_config[0] == 5) && RANK_IS_POPULATED(s->dimms, 0, 0)) {
+
+ MCHBAR32(0x260) = (MCHBAR32(0x260) & ~0x1) | 0x300001;
+ MCHBAR32(0x208) = 0x101;
+ MCHBAR32(0x200) = 0x40002;
+ MCHBAR32(0x204) = 0x40004;
+ } else {
+ MCHBAR32(0x260) = (MCHBAR32(0x260) & ~0x1) | w260[s->dimm_config[0]];
+ MCHBAR32(0x208) = w208[s->dimm_config[0]];
+ MCHBAR32(0x200) = w200[s->dimm_config[0]];
+ MCHBAR32(0x204) = w204[s->dimm_config[0]];
+ }
+ pci_write_config16(PCI_DEV(0, 0, 0), 0xb0, tolud[s->dimm_config[0]]);
+ pci_write_config16(PCI_DEV(0, 0, 0), 0xa0, tom[s->dimm_config[0]]);
+ pci_write_config16(PCI_DEV(0, 0, 0), 0xa2, touud[s->dimm_config[0]]);
+ pci_write_config32(PCI_DEV(0, 0, 0), 0xa4, gbsm[s->dimm_config[0]]);
+ pci_write_config32(PCI_DEV(0, 0, 0), 0xa8, bgsm[s->dimm_config[0]]);
+ pci_write_config32(PCI_DEV(0, 0, 0), 0xac, tsegmb[s->dimm_config[0]]);
+}
+
+#if 1
+static void hpet_udelay(u32 del)
+{
+ u32 start, finish, now;
+
+ del *= 15; /* now in usec */
+
+ start = HPET32(0xf0);
+ finish = start + del;
+ while (1) {
+ now = HPET32(0xf0);
+ if (finish > start) {
+ if (now >= finish)
+ break;
+ } else {
+ if ((now < start) && (now >= finish)) {
+ break;
+ }
+ }
+ }
+}
+#endif
+
+static u8 sdram_checkrcompoverride(void)
+{
+ u32 xcomp;
+ u8 aa, bb, a, b, c, d;
+
+ xcomp = MCHBAR32(0x13c);
+ a = (u8)((xcomp & 0x7f000000) >> 24);
+ b = (u8)((xcomp & 0x7f0000) >> 16);
+ c = (u8)((xcomp & 0x3f00) >> 8);
+ d = (u8)(xcomp & 0x3f);
+
+ if (a > b) {
+ aa = a - b;
+ } else {
+ aa = b - a;
+ }
+ if (c > d) {
+ bb = c - d;
+ } else {
+ bb = d - c;
+ }
+ if ((aa > 18) || (bb > 7) ||
+ (a <= 5) || (b <= 5) || (c <= 5) || (d <= 5) ||
+ (a >= 0x7a) || (b >= 0x7a) || (c >= 0x3a) || (d >= 0x3a)) {
+ MCHBAR32(0x140) = 0x9718a729;
+ return 1;
+ }
+ return 0;
+}
+
+static void sdram_rcompupdate(struct sys_info *s)
+{
+ u8 i, ok;
+ u32 reg32a, reg32b;
+
+ ok = 0;
+ MCHBAR8(0x170) = MCHBAR8(0x170) & ~(1 << 3);
+ MCHBAR8(0x130) = MCHBAR8(0x130) & ~(1 << 7);
+ for (i = 0; i < 3; i++) {
+ MCHBAR8(0x130) = MCHBAR8(0x130) | 1;
+ hpet_udelay(1000);
+ while ((MCHBAR8(0x130) & 0x1) != 0);
+ ok |= sdram_checkrcompoverride();
+ }
+ if (!ok) {
+ reg32a = MCHBAR32(0x13c);
+ reg32b = (reg32a >> 16) & 0x0000ffff;
+ reg32a = ((reg32a << 16) & 0xffff0000) | reg32b;
+ reg32a |= (1 << 31) | (1 << 15);
+ MCHBAR32(0x140) = reg32a;
+ }
+ MCHBAR8(0x130) = MCHBAR8(0x130) | 1;
+ hpet_udelay(1000);
+ while ((MCHBAR8(0x130) & 0x1) != 0);
+}
+
+static void __attribute__((noinline))
+sdram_jedec(struct sys_info *s, u8 rank, u8 jmode, u16 jval)
+{
+ u32 reg32;
+
+ reg32 = jval << 3;
+ reg32 |= rank * 0x8000000;
+ MCHBAR8(0x271) = (MCHBAR8(0x271) & ~0x3e) | jmode;
+ read32((void *)reg32);
+ barrier();
+ hpet_udelay(1); // 1us
+}
+
+static void sdram_zqcl(struct sys_info *s)
+{
+ if (s->boot_path == BOOT_PATH_RESUME) {
+ MCHBAR32(0x260) = MCHBAR32(0x260) | (1 << 27);
+ MCHBAR8(0x271) = (MCHBAR8(0x271) & ~0xe) | NORMAL_OP_CMD;
+ MCHBAR8(0x271) = MCHBAR8(0x271) & ~0x30;
+ MCHBAR32(0x268) = (MCHBAR32(0x268) & ~((1 << 30) | (1 << 31))) |
+ (1 << 30) | (1 << 31);
+ }
+}
+
+static void sdram_jedecinit(struct sys_info *s)
+{
+ u8 r, i, ch;
+ u16 reg16, mrs, rttnom;
+ struct jedeclist {
+ char debug[15];
+ u8 cmd;
+ u16 val;
+ };
+
+ struct jedeclist jedec[12] = {
+ { " NOP ", NOP_CMD, 0 },
+ { " PRE CHARGE ", PRE_CHARGE_CMD, 0 },
+ { " EMRS2 ", EMRS2_CMD, 0 },
+ { " EMRS3 ", EMRS3_CMD, 0 },
+ { " EMRS1 ", EMRS1_CMD, 0 },
+ { " DLL RESET ", MRS_CMD, (1 << 8) },
+ { " PRE CHARGE ", PRE_CHARGE_CMD, 0 },
+ { " AUTOREFRESH", CBR_CMD, 0 },
+ { " AUTOREFRESH", CBR_CMD, 0 },
+ { " INITIALISE ", MRS_CMD, 0 },
+ { " EMRS1 OCD ", EMRS1_CMD, (1 << 9) | (1 << 8) | (1 << 7) },
+ { " EMRS1 EXIT ", EMRS1_CMD, 0 }
+ };
+
+ mrs = (s->selected_timings.CAS << 4) |
+ ((s->selected_timings.tWR - 1) << 9) | (1 << 3) | (1 << 1) | 1;
+ rttnom = (1 << 2);
+ if (RANK_IS_POPULATED(s->dimms, 0, 0) && RANK_IS_POPULATED(s->dimms, 0, 2)) {
+ rttnom |= (1 << 6);
+ }
+
+ hpet_udelay(200); // 200us
+ reg16 = 0;
+ FOR_EACH_POPULATED_RANK(s->dimms, ch, r) {
+ for (i = 0; i < 12; i++) {
+ PRINTK_DEBUG("Rank:%d Jedec:%14s...", r, jedec[i].debug);
+ reg16 = jedec[i].val;
+ switch (jedec[i].cmd) {
+ case EMRS1_CMD:
+ reg16 |= rttnom;
+ break;
+ case MRS_CMD:
+ reg16 |= mrs;
+ break;
+ default:
+ break;
+ }
+ sdram_jedec(s, r, jedec[i].cmd, reg16);
+ PRINTK_DEBUG("done\n");
+ }
+ }
+}
+
+static void sdram_misc(struct sys_info *s)
+{
+ u32 reg32;
+
+ reg32 = 0;
+ reg32 |= (0x4 << 13);
+ reg32 |= (0x6 << 8);
+ MCHBAR32(0x274) = (MCHBAR32(0x274) & ~0x3ff00) | reg32;
+ MCHBAR8(0x274) = MCHBAR8(0x274) & ~(1 << 7);
+ MCHBAR8(0x26c) = MCHBAR8(0x26c) | 1;
+ if (s->boot_path != BOOT_PATH_RESUME) {
+ MCHBAR8(0x271) = (MCHBAR8(0x271) & ~0xe) | NORMAL_OP_CMD;
+ MCHBAR8(0x271) = MCHBAR8(0x271) & ~0x30;
+ } else {
+ sdram_zqcl(s);
+ }
+}
+
+static void sdram_checkreset(void)
+{
+ u8 pmcon2, pmcon3, reset;
+
+ pmcon2 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2);
+ pmcon3 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa4);
+ pmcon3 &= ~0x2;
+ if (pmcon2 & 0x80) {
+ pmcon2 &= ~0x80;
+ reset = 1;
+ } else {
+ pmcon2 |= 0x80;
+ reset = 0;
+ }
+ if (pmcon2 & 0x4) {
+ pmcon2 |= 0x4;
+ pmcon3 = (pmcon3 & ~0x30) | 0x30;
+ pmcon3 |= (1 << 3);
+ }
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, pmcon2);
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa4, pmcon3);
+ if (reset) {
+ printk(BIOS_DEBUG, "Power cycle reset...\n");
+ outb(0xe, 0xcf9);
+ }
+}
+
+static void sdram_dradrb(struct sys_info *s)
+{
+ u8 i, reg8, ch, r;
+ u32 reg32, ind, c0dra, c0drb, dra;
+ u16 addr;
+ i = 0;
+ u8 dratab[2][2][2][4] =
+ {{
+ {
+ {0xff, 0xff, 0xff, 0xff},
+ {0xff, 0x00, 0x02, 0xff}
+ },
+ {
+ {0xff, 0x01, 0xff, 0xff},
+ {0xff, 0x03, 0xff, 0x06}
+ }
+ },
+ {
+ {
+ {0xff, 0xff, 0xff, 0xff},
+ {0xff, 0x04, 0x06, 0x08}
+ },
+ {
+ {0xff, 0xff, 0xff, 0xff},
+ {0x05, 0x07, 0x09, 0xff}
+ }
+ }};
+
+ u8 dradrb[10][6] = {
+ //Row Col Bank Width DRB
+ {0x01, 0x01, 0x00, 0x08, 0, 0x04},
+ {0x01, 0x00, 0x00, 0x10, 0, 0x02},
+ {0x02, 0x01, 0x00, 0x08, 1, 0x08},
+ {0x01, 0x01, 0x00, 0x10, 1, 0x04},
+ {0x01, 0x01, 0x01, 0x08, 1, 0x08},
+ {0x00, 0x01, 0x01, 0x10, 1, 0x04},
+ {0x02, 0x01, 0x01, 0x08, 2, 0x10},
+ {0x01, 0x01, 0x01, 0x10, 2, 0x08},
+ {0x03, 0x01, 0x01, 0x08, 3, 0x20},
+ {0x02, 0x01, 0x01, 0x10, 3, 0x10},
+ };
+
+ reg32 = 0;
+ FOR_EACH_POPULATED_RANK(s->dimms, ch, r) {
+ i = r / 2;
+ PRINTK_DEBUG("RANK %d PRESENT\n", r);
+ dra = dratab[s->dimms[i].banks]
+ [s->dimms[i].width]
+ [s->dimms[i].cols - 9]
+ [s->dimms[i].rows - 12];
+
+ if (s->dimms[i].banks == 1) {
+ dra |= (1 << 7);
+ }
+ reg32 |= (dra << (r*8));
+ }
+ MCHBAR32(0x208) = reg32;
+ c0dra = reg32;
+ PRINTK_DEBUG("C0DRA = 0x%08x\n", c0dra);
+
+ reg32 = 0;
+ FOR_EACH_POPULATED_RANK(s->dimms, ch, r) {
+ reg32 |= (1 << r);
+ }
+ reg8 = (u8)(reg32 << 4) & 0xf0;
+ MCHBAR8(0x262) = (MCHBAR8(0x262) & ~0xf0) | reg8;
+ if (ONLY_DIMMA_IS_POPULATED(s->dimms, 0) ||
+ ONLY_DIMMB_IS_POPULATED(s->dimms, 0)) {
+ MCHBAR8(0x260) = MCHBAR8(0x260) | 1;
+ }
+
+ addr = 0x200;
+ c0drb = 0;
+ FOR_EACH_RANK(ch, r) {
+ IF_RANK_POPULATED(s->dimms, ch, r) {
+ ind = (c0dra >> (8*r)) & 0x7f;
+ c0drb = (u16)(c0drb + dradrb[ind][5]);
+ s->channel_capacity[0] += dradrb[ind][5] << 6;
+ }
+ MCHBAR16(addr) = c0drb;
+ addr += 2;
+ }
+ printk(BIOS_DEBUG, "Total memory = %dMB\n", s->channel_capacity[0]);
+}
+
+static u8 sampledqs(u32 dqshighaddr, u32 strobeaddr, u8 highlow, u8 count)
+{
+ volatile u32 strobedata;
+ u8 dqsmatches = 1;
+ while (count--) {
+ MCHBAR8(0x5d8) = MCHBAR8(0x5d8) & ~0x2;
+ hpet_udelay(1);
+ MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 0x2;
+ hpet_udelay(1);
+ barrier();
+ strobedata = read32((void*)strobeaddr);
+ barrier();
+ hpet_udelay(1);
+
+ if (((MCHBAR8(dqshighaddr) & 0x40) >> 6) != highlow) {
+ dqsmatches = 0;
+ }
+ }
+
+ return dqsmatches;
+}
+
+static void rcvenclock(u8 *coarse, u8 *medium, u8 bytelane)
+{
+ if (*medium < 3) {
+ (*medium)++;
+ MCHBAR16(0x58c) = (MCHBAR16(0x58c) & (u16)(~(0x3 << (bytelane*2))))
+ | (*medium << (bytelane*2));
+ } else {
+ *medium = 0;
+ (*coarse)++;
+ MCHBAR32(0x248) = (MCHBAR32(0x248) & ~0xf0000) | (*coarse << 16);
+ MCHBAR16(0x58c) = (MCHBAR16(0x58c) & (u16)(~0x3 << (bytelane*2)))
+ | (*medium << (bytelane*2));
+ }
+}
+
+static void sdram_rcven(struct sys_info *s)
+{
+ u8 curcoarse, savecoarse;
+ u8 curmedium, savemedium;
+ u8 pi, savepi;
+ u8 bytelane;
+ u8 bytelanecoarse[8] = { 0 };
+ u8 minbytelanecoarse = 0xff;
+ u8 bytelaneoffset;
+ u8 maxbytelane = 8;
+ u32 strobeaddr = (RANK_IS_POPULATED(s->dimms, 0, 0)) ? 0 : 2*128*1024*1024;
+ u32 dqshighaddr;
+
+ MCHBAR8(0x5d8) = MCHBAR8(0x5d8) & ~0xc;
+ MCHBAR8(0x5dc) = MCHBAR8(0x5dc) & ~0x80;
+
+ PRINTK_DEBUG("rcven 0\n");
+ for (bytelane = 0; bytelane < maxbytelane; bytelane++) {
+ PRINTK_DEBUG("rcven bytelane %d\n", bytelane);
+//trylaneagain:
+ dqshighaddr = 0x561 + (bytelane << 2);
+
+ curcoarse = s->selected_timings.CAS + 1;
+ pi = 0;
+ curmedium = 0;
+
+ MCHBAR32(0x248) = (MCHBAR32(0x248) & ~0xf0000) | (curcoarse << 16);
+ MCHBAR16(0x58c) = (MCHBAR16(0x58c) & (u16)(~(0x3 << (bytelane*2))))
+ | (curmedium << (bytelane*2));
+ MCHBAR8(0x560+bytelane*4) = MCHBAR8(0x560+bytelane*4) & ~0x3f;
+
+ savecoarse = curcoarse;
+ savemedium = curmedium;
+ savepi = pi;
+
+ PRINTK_DEBUG("rcven 0.1\n");
+
+ //MCHBAR16(0x588) = (MCHBAR16(0x588) & (u16)~(0x3 << (bytelane*2))) | (1 << (bytelane*2)); // XXX comment out
+
+ while (sampledqs(dqshighaddr, strobeaddr, 0, 3) == 0) {
+ //printk(BIOS_DEBUG, "coarse=%d medium=%d\n", curcoarse, curmedium);
+ rcvenclock(&curcoarse, &curmedium, bytelane);
+ if (curcoarse > 0xf) {
+ PRINTK_DEBUG("Error: coarse > 0xf\n");
+ //goto trylaneagain;
+ break;
+ }
+ }
+ PRINTK_DEBUG("rcven 0.2\n");
+
+ savecoarse = curcoarse;
+ savemedium = curmedium;
+ rcvenclock(&curcoarse, &curmedium, bytelane);
+
+ while (sampledqs(dqshighaddr, strobeaddr, 1, 3) == 0) {
+ savecoarse = curcoarse;
+ savemedium = curmedium;
+ rcvenclock(&curcoarse, &curmedium, bytelane);
+ if (curcoarse > 0xf) {
+ PRINTK_DEBUG("Error: coarse > 0xf\n");
+ //goto trylaneagain;
+ break;
+ }
+ }
+
+ PRINTK_DEBUG("rcven 0.3\n");
+ curcoarse = savecoarse;
+ curmedium = savemedium;
+ MCHBAR32(0x248) = (MCHBAR32(0x248) & ~0xf0000) | (curcoarse << 16);
+ MCHBAR16(0x58c) = (MCHBAR16(0x58c) & (u16)(~(0x3 << bytelane*2)))
+ | (curmedium << (bytelane*2));
+
+ while (sampledqs(dqshighaddr, strobeaddr, 1, 3) == 0) {
+ savepi = pi;
+ pi++;
+ if (pi > s->maxpi) {
+ //if (s->nodll) {
+ pi = savepi = s->maxpi;
+ break;
+ //}
+ }
+ MCHBAR8(0x560 + bytelane*4) = (MCHBAR8(0x560 + bytelane*4)
+ & ~0x3f) | (pi << s->pioffset);
+ }
+ PRINTK_DEBUG("rcven 0.4\n");
+
+ pi = savepi;
+ MCHBAR8(0x560 + bytelane*4) = (MCHBAR8(0x560 + bytelane*4) & ~0x3f)
+ | (pi << s->pioffset);
+ rcvenclock(&curcoarse, &curmedium, bytelane);
+ if (sampledqs(dqshighaddr, strobeaddr, 1, 1) == 0) {
+ PRINTK_DEBUG("Error: DQS not high\n");
+ //goto trylaneagain;
+ }
+ PRINTK_DEBUG("rcven 0.5\n");
+ while (sampledqs(dqshighaddr, strobeaddr, 0, 3) == 0) {
+ curcoarse--;
+ MCHBAR32(0x248) = (MCHBAR32(0x248) & ~0xf0000)
+ | (curcoarse << 16);
+ if (curcoarse == 0) {
+ PRINTK_DEBUG("Error: DQS didnt hit 0\n");
+ break;
+ }
+ }
+
+ PRINTK_DEBUG("rcven 0.6\n");
+ rcvenclock(&curcoarse, &curmedium, bytelane);
+ s->pi[bytelane] = pi;
+ bytelanecoarse[bytelane] = curcoarse;
+ }
+
+ PRINTK_DEBUG("rcven 1\n");
+
+ bytelane = maxbytelane;
+ do {
+ bytelane--;
+ if (minbytelanecoarse > bytelanecoarse[bytelane]) {
+ minbytelanecoarse = bytelanecoarse[bytelane];
+ }
+ } while (bytelane != 0);
+
+ bytelane = maxbytelane;
+ do {
+ bytelane--;
+ bytelaneoffset = bytelanecoarse[bytelane] - minbytelanecoarse;
+ MCHBAR16(0x5fa) = (MCHBAR16(0x5fa) & (u16)(~(0x3 << (bytelane*2))))
+ | (bytelaneoffset << (bytelane*2));
+ } while (bytelane != 0);
+
+ MCHBAR32(0x248) = (MCHBAR32(0x248) & ~0xf0000) | (minbytelanecoarse << 16);
+
+ s->coarsectrl = minbytelanecoarse;
+ s->coarsedelay = MCHBAR16(0x5fa);
+ s->mediumphase = MCHBAR16(0x58c);
+ s->readptrdelay = MCHBAR16(0x588);
+
+ PRINTK_DEBUG("rcven 2\n");
+ MCHBAR8(0x5d8) = MCHBAR8(0x5d8) & ~0xe;
+ MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 0x2;
+ MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 0x4;
+ MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 0x8;
+
+ MCHBAR8(0x5dc) = MCHBAR8(0x5dc) | 0x80;
+ MCHBAR8(0x5dc) = MCHBAR8(0x5dc) & ~0x80;
+ MCHBAR8(0x5dc) = MCHBAR8(0x5dc) | 0x80;
+ PRINTK_DEBUG("rcven 3\n");
+}
+
+static void sdram_mmap_regs(struct sys_info *s)
+{
+ bool reclaim;
+ u32 tsegsize;
+ u32 mmiosize;
+ u32 tom, tolud, touud, reclaimbase, reclaimlimit;
+ u32 gfxbase, gfxsize, gttbase, gttsize, tsegbase;
+ u16 ggc;
+ u16 ggc_to_uma[10] = { 0, 1, 4, 8, 16, 32, 48, 64, 128, 256 };
+ u8 ggc_to_gtt[4] = { 0, 1, 0, 0 };
+
+ reclaimbase = 0;
+ reclaimlimit = 0;
+ ggc = pci_read_config16(PCI_DEV(0,0,0), GGC);
+ gfxsize = ggc_to_uma[(ggc & 0xf0) >> 4];
+ gttsize = ggc_to_gtt[(ggc & 0xc00) >> 8];
+ tom = s->channel_capacity[0];
+
+ tsegsize = 0x1; // 1MB
+ mmiosize = 0x400; // 1GB
+
+ reclaim = false;
+ tolud = MIN(0x1000 - mmiosize, tom);
+ if ((tom - tolud) > 0x40) {
+ // reclaim = true;
+ }
+ if (reclaim) {
+ tolud = tolud & ~0x3f;
+ tom = tom & ~0x3f;
+ reclaimbase = MAX(0x1000, tom);
+ reclaimlimit = reclaimbase + (MIN(0x1000, tom) - tolud) - 0x40;
+ }
+ touud = tom;
+ if (reclaim) {
+ touud = reclaimlimit + 0x40;
+ }
+
+ gfxbase = tolud - gfxsize;
+ gttbase = gfxbase - gttsize;
+ tsegbase = gttbase - tsegsize;
+
+ /* Program the regs */
+ pci_write_config16(PCI_DEV(0,0,0), 0xb0, (u16)(tolud << 4));
+ pci_write_config16(PCI_DEV(0,0,0), 0xa0, (u16)(tom >> 6));
+ if (reclaim) {
+ pci_write_config16(PCI_DEV(0,0,0), 0x98, (u16)(reclaimbase >> 6));
+ pci_write_config16(PCI_DEV(0,0,0), 0x9a, (u16)(reclaimlimit >> 6));
+ }
+ pci_write_config16(PCI_DEV(0,0,0), 0xa2, (u16)(touud));
+ pci_write_config32(PCI_DEV(0,0,0), 0xa4, gfxbase << 20);
+ pci_write_config32(PCI_DEV(0,0,0), 0xa8, gttbase << 20);
+ pci_write_config32(PCI_DEV(0,0,0), 0xac, tsegbase << 20);
+}
+
+static void sdram_enhancedmode(struct sys_info *s)
+{
+ u8 reg8, ch, r, j, i;
+ u32 mask32, reg32;
+ MCHBAR8(0x246) = MCHBAR8(0x246) | 1;
+ MCHBAR8(0x269 + 3) = MCHBAR8(0x269 + 3) | 1;
+ mask32 = (0x1f << 15) | (0x1f << 10) | (0x1f << 5) | 0x1f;
+ reg32 = (0x1e << 15) | (0x10 << 10) | (0x1e << 5) | 0x10;
+ MCHBAR32(0x120) = (MCHBAR32(0x120) & ~mask32) | reg32;
+ MCHBAR8(0x288 + 1) = 0x2;
+ MCHBAR16(0x288 + 2) = 0x0804;
+ MCHBAR16(0x288 + 4) = 0x2010;
+ MCHBAR8(0x288 + 6) = 0x40;
+ MCHBAR16(0x288 + 8) = 0x091c;
+ MCHBAR8(0x288 + 10) = 0xf2;
+ MCHBAR8(0x241) = MCHBAR8(0x241) | 1;
+ MCHBAR8(0x243) = MCHBAR8(0x243) | 1;
+ MCHBAR16(0x272) = MCHBAR16(0x272) | 0x100;
+
+ reg8 = pci_read_config8(PCI_DEV(0,0,0), 0xf0);
+ pci_write_config8(PCI_DEV(0,0,0), 0xf0, reg8 | 1);
+ MCHBAR32(0xfa0) = 0x00000002;
+ MCHBAR32(0xfa4) = 0x20310002;
+ MCHBAR32(0x24) = 0x02020302;
+ MCHBAR32(0x30) = 0x001f1806;
+ MCHBAR32(0x34) = 0x01102800;
+ MCHBAR32(0x38) = 0x07000000;
+ MCHBAR32(0x3c) = 0x01014010;
+ MCHBAR32(0x40) = 0x0f038000;
+ reg8 = pci_read_config8(PCI_DEV(0,0,0), 0xf0);
+ pci_write_config8(PCI_DEV(0,0,0), 0xf0, reg8 & ~1);
+
+ u32 nranks, curranksize, maxranksize, maxdra, dra;
+ u8 rankmismatch, dramismatch;
+ u8 drbtab[10] = { 0x4, 0x2, 0x8, 0x4, 0x8, 0x4, 0x10, 0x8, 0x20, 0x10 };
+
+ nranks = 0;
+ curranksize = 0;
+ maxranksize = 0;
+ maxdra = 0;
+ rankmismatch = 0;
+ dramismatch = 0;
+ FOR_EACH_POPULATED_RANK(s->dimms, ch, r) {
+ nranks++;
+ dra = (u8) ((MCHBAR32(0x208) >> (8*r)) & 0x7f);
+ curranksize = drbtab[dra];
+ if (maxranksize == 0) {
+ maxranksize = curranksize;
+ maxdra = dra;
+ }
+ if (curranksize != maxranksize) {
+ rankmismatch = 1;
+ }
+ if (dra != maxdra) {
+ dramismatch = 1;
+ }
+ }
+
+ reg8 = 0;
+ switch (nranks) {
+ case 4:
+ if (rankmismatch) {
+ reg8 = 0x64;
+ } else {
+ reg8 = 0xa4;
+ }
+ break;
+ case 1:
+ case 3:
+ reg8 = 0x64;
+ break;
+ case 2:
+ if (rankmismatch) {
+ reg8 = 0x64;
+ } else {
+ reg8 = 0x24;
+ }
+ break;
+ default:
+ die("Invalid number of ranks found, halt\n");
+ break;
+ }
+ MCHBAR8(0x111) = (MCHBAR8(0x111) & ~0xfc) | (reg8 & 0xfc);
+ MCHBAR32(0xd0) = MCHBAR32(0xd0) & ~0x80000000;
+
+ MCHBAR32(0x28) = 0xf;
+ MCHBAR8(0x2c4) = MCHBAR8(0x2c4) | 1;
+
+ MCHBAR32(0x3c) = MCHBAR32(0x3c) & ~0xe000000;
+ MCHBAR32(0x40) = (MCHBAR32(0x40) & ~0xc0000) | 0x40000;
+ u32 clkcx[2][2][3] = {
+ {
+ {0, 0x0c080302, 0x08010204}, // 667
+ {0x02040000, 0x08100102, 0}
+ },
+ {
+ {0x18000000, 0x3021060c, 0x20010208},
+ {0, 0x0c090306, 0} // 800
+ }
+ };
+ j = s->selected_timings.fsb_clock;
+ i = s->selected_timings.mem_clock;
+
+ MCHBAR32(0x708) = clkcx[j][i][0];
+ MCHBAR32(0x70c) = clkcx[j][i][1];
+ MCHBAR32(0x6dc) = clkcx[j][i][2];
+ MCHBAR8(0x40) = MCHBAR8(0x40) & ~0x2;
+}
+
+static void sdram_periodic_rcomp(void)
+{
+ MCHBAR8(0x130) = MCHBAR8(0x130) & ~0x2;
+ while ((MCHBAR32(0x130) & 0x80000000) > 0) {
+ ;
+ }
+ MCHBAR16(0x1b4) = (MCHBAR16(0x1b4) & ~0x3000);
+
+ MCHBAR8(0x5dc) = MCHBAR8(0x5dc) | 0x80;
+ MCHBAR16(0x170) = (MCHBAR16(0x170) & ~0xf) | 0x9;
+
+ MCHBAR8(0x130) = MCHBAR8(0x130) | 0x82;
+}
+
+#if 0
+static u8 dynamic_pattern(size_t memloc, u8 inv)
+{
+ u8 a, b, t, aorb, left, total;
+
+ a = 0xff;
+ a &= ~((u8)((1 << ((memloc >> 13) & 0xf)) >> 1));
+ b = ~a;
+
+ if (memloc & 0x100) {
+ t = a;
+ a = b;
+ b = t;
+ }
+
+ left = (u8)((memloc >> 11) & 0x3) + 1;
+ total = left + (u8)((memloc >> 9) & 0x3) + 1;
+ aorb = a;
+ if ((((memloc & 0xff) >> 3) % total) >= left) {
+ aorb = b;
+ }
+
+ if (inv) {
+ return ~aorb;
+ } else {
+ return aorb;
+ }
+}
+
+static void write_pattern(size_t addr)
+{
+ volatile u8 mem8;
+ u16 count;
+ size_t tmpaddr;
+
+ for (count = 0; count < 1024; count++) {
+ tmpaddr = addr + count;
+ mem8 = dynamic_pattern(tmpaddr, 1) & 0xff;
+ write8((u8*)tmpaddr, mem8);
+ //barrier();
+ }
+}
+
+static void wpcache_flush(u32 cacheaddr)
+{
+ u32 flush;
+ for (flush = cacheaddr; flush < (cacheaddr + 0x2000); flush+=64) {
+ asm (
+ "movl %0, %%eax"
+ :
+ :"r"(flush)
+ :
+ );
+ asm (
+ "clflush (%eax)"
+ );
+ }
+}
+
+static void wpcache_enable(u32 cacheaddr)
+{
+ asm (
+ "movl %0, %%eax;"
+ :
+ :"r"(cacheaddr)
+ :
+ );
+ asm (
+ "orl 0x5, %eax\n\t"
+ "xorl %edx, %edx\n\t"
+ "movl $0x206, %ecx\n\t"
+ "wrmsr\n\t"
+ "movl $((~(0x2000 - 1)) | 0x800), %eax\n\t"
+ "movl $0x0f, %edx\n\t"
+ "movl $0x206, %ecx\n\t"
+ "wrmsr"
+ );
+}
+
+static void wpcache_disable(void)
+{
+ asm (
+ "xorl %eax, %eax\n\t"
+ "xorl %edx, %edx\n\t"
+ "movl $0x206, %ecx\n\t"
+ "wrmsr\n\t"
+ "movl $0x206, %ecx\n\t"
+ "wrmsr"
+ );
+}
+
+static u8 is_readaligned(size_t addr, u8 vref)
+{
+ u8 status = 1;
+ volatile u8 mem8;
+ u32 datacnt;
+ u16 retry;
+ u32 memloc;
+ u32 cacheloc;
+ u8 tmpdata;
+
+ MCHBAR8(0x1b6) = (MCHBAR8(0x1b6) & ~0x3f) | vref;
+ for (retry = 0; retry < 3; retry++) {
+ cacheloc = addr;
+ for (datacnt = 0; datacnt < 1024; datacnt++) {
+ memloc = addr + datacnt;
+
+ if (cacheloc <= memloc) {
+ wpcache_enable(cacheloc);
+ wpcache_flush(cacheloc);
+ cacheloc += 0x2000;
+ }
+
+ mem8 = read8((void*)memloc);
+ barrier();
+ tmpdata = dynamic_pattern(memloc, 1);
+ status = 1;
+ if (mem8 != tmpdata) {
+ status = 0;
+ wpcache_disable();
+ return status;
+ }
+ }
+ }
+ wpcache_disable();
+ return status;
+}
+
+static void sdram_vrefmargin(struct sys_info *s)
+{
+ u8 i, rank, temp, vrefplus, vrefminus, vrefval;
+ size_t strobeaddr;
+ u8 vrefplusval[4] = { 0x7, 0xe, 0x15, 0x1c };
+ u8 vrefminusval[4] = { 0x27, 0x2e, 0x35, 0x3c };
+
+ vrefminus = vrefplus = 0;
+
+ MCHBAR16(0x1b6) = MCHBAR16(0x1b6) & ~0x100;
+
+ if (RANK_IS_POPULATED(s->dimms, 0, 0)) {
+ rank = 0;
+ } else {
+ rank = 2;
+ }
+ strobeaddr = rank*128*1024*1024;
+ write_pattern(strobeaddr);
+
+ temp = 0;
+ for (i = 0; i < 4; i++) {
+ temp = is_readaligned(strobeaddr, vrefplusval[i]);
+ if (temp) {
+ vrefplus += temp;
+ } else {
+ break;
+ }
+ }
+
+ temp = 0;
+ for (i = 0; i < 4; i++) {
+ temp = is_readaligned(strobeaddr, vrefminusval[i]);
+ if (temp) {
+ vrefminus += temp;
+ } else {
+ break;
+ }
+ }
+
+ if ((vrefplus == 0) && (vrefminus == 0)) {
+ PRINTK_DEBUG("Error: vref not aligned\n");
+ }
+ u8 vreflut[5][5] = { {0x00, 0x03, 0x04, 0x05, 0x05},
+ {0x23, 0x00, 0x03, 0x04, 0x05},
+ {0x24, 0x23, 0x00, 0x03, 0x04},
+ {0x25, 0x24, 0x23, 0x00, 0x03},
+ {0x25, 0x25, 0x24, 0x23, 0x00}};
+ vrefval = vreflut[vrefminus][vrefplus];
+
+ MCHBAR8(0x1b6) = (MCHBAR8(0x1b6) & ~0x3f) | vrefval;
+}
+#endif
+
+static void sdram_new_trd(struct sys_info *s)
+{
+ u8 pidelay, i, j, k, cc, trd_perphase[5];
+ u8 bypass, freqgb, trd, reg8, txfifo, cas;
+ u32 reg32, datadelay, tio, rcvendelay, maxrcvendelay;
+ u16 tmclk, thclk, buffertocore, postcalib;
+ u8 txfifo_lut[8] = { 0, 7, 6, 5, 2, 1, 4, 3 };
+ u16 trd_adjust[2][2][5] = {
+ {
+ {3000, 3000, 0,0,0},
+ {1000,2000,3000,1500,2500}
+ },
+ {
+ {2000,1000,3000,0,0},
+ {2500, 2500, 0,0,0}
+ }};
+
+ freqgb = 110;
+ buffertocore = 5000;
+ cas = s->selected_timings.CAS;
+ postcalib = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 1250 : 500;
+ tmclk = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 3000 : 2500;
+ tmclk = tmclk * 100 / freqgb;
+ thclk = (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) ? 6000 : 5000;
+ switch (s->selected_timings.mem_clock) {
+ case MEM_CLOCK_667MHz:
+ if (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) {
+ cc = 2;
+ } else {
+ cc = 3;
+ }
+ break;
+ default:
+ case MEM_CLOCK_800MHz:
+ if (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) {
+ cc = 5;
+ } else {
+ cc = 2;
+ }
+ break;
+ }
+ tio = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 2700 : 3240;
+ maxrcvendelay = 0;
+ pidelay = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 24 : 20;
+
+ for (i = 0; i < 8; i++) {
+ rcvendelay = ((u32)((s->coarsedelay >> (i << 1)) & 0x3) * (u32)(tmclk));
+ rcvendelay += ((u32)((s->readptrdelay >> (i << 1)) & 0x3) * (u32)(tmclk) / 2);
+ rcvendelay += ((u32)((s->mediumphase >> (i << 1)) & 0x3) * (u32)(tmclk) / 4);
+ rcvendelay += (u32)(pidelay * s->pi[i]);
+ maxrcvendelay = MAX(maxrcvendelay, rcvendelay);
+ }
+
+ if ((MCHBAR8(0xc54+3) == 0xff) && (MCHBAR8(0xc08) & 0x80)) {
+ bypass = 1;
+ } else {
+ bypass = 0;
+ }
+
+ txfifo = 0;
+ reg8 = (MCHBAR8(0x188) & 0xe) >> 1;
+ txfifo = txfifo_lut[reg8] & 0x7;
+
+ datadelay = tmclk * (2*txfifo + 4*s->coarsectrl + 4*(bypass-1) + 13) / 4
+ + tio + maxrcvendelay + pidelay + buffertocore + postcalib;
+ if (s->async) {
+ datadelay += tmclk / 2;
+ }
+
+ j = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 0 : 1;
+ k = (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) ? 0 : 1;
+
+ if (j == 0 && k == 0) {
+ datadelay -= 3084;
+ }
+
+ trd = 0;
+ for (i = 0; i < cc; i++) {
+ reg32 = datadelay - (trd_adjust[k][j][i] * 100 / freqgb);
+ trd_perphase[i] = (u8)(reg32 / thclk) - 2;
+ trd_perphase[i] += 1;
+ if (trd_perphase[i] > trd) {
+ trd = trd_perphase[i];
+ }
+ }
+
+ MCHBAR16(0x248) = (MCHBAR16(0x248) & ~0x1f00) | (trd << 8);
+}
+
+static void sdram_powersettings(struct sys_info *s)
+{
+ u8 j;
+ u32 reg32;
+
+ /* Thermal sensor */
+ MCHBAR8(0x3808) = 0x9b;
+ MCHBAR32(0x380c) = (MCHBAR32(0x380c) & ~0x00ffffff) | 0x1d00;
+ MCHBAR8(0x3814) = 0x08;
+ MCHBAR8(0x3824) = 0x00;
+ MCHBAR8(0x3809) = (MCHBAR8(0x3809) & ~0xf) | 0x4;
+ MCHBAR8(0x3814) = (MCHBAR8(0x3814) & ~1) | 1;
+ MCHBAR8(0x3812) = (MCHBAR8(0x3812) & ~0x80) | 0x80;
+
+ /* Clock gating */
+ MCHBAR32(0xf18) = MCHBAR32(0xf18) & ~0x00040001;
+ MCHBAR8(0xfac+3) = MCHBAR8(0xfac+3) & ~0x80;
+ MCHBAR8(0xff8+3) = MCHBAR8(0xff8+3) & ~0x80;
+ MCHBAR16(0xff0) = MCHBAR16(0xff0) & ~0x1fff;
+ MCHBAR32(0xfb0) = MCHBAR32(0xfb0) & ~0x0001ffff;
+ MCHBAR16(0x48) = (MCHBAR16(0x48) & ~0x03ff) & 0x6;
+ MCHBAR32(0x20) = (MCHBAR32(0x20) & ~0xffffffff) | 0x20;
+ MCHBAR8(0xd14) = MCHBAR8(0xd14) & ~1;
+ MCHBAR8(0x239) = s->selected_timings.CAS - 1 + 0x15;
+ MCHBAR16(0x2d1) = (MCHBAR16(0x2d1) & ~0x07fc) | 0x40;
+ MCHBAR16(0x6d1) = (MCHBAR16(0x6d1) & ~0x0fff) | 0xd00;
+ MCHBAR16(0x210) = MCHBAR16(0x210) & ~0x0d80;
+ MCHBAR16(0xf6c+2) = 0xffff;
+
+ /* Sequencing */
+ MCHBAR32(0x14) = (MCHBAR32(0x14) & ~0x1fffffff) | 0x1f643fff;
+ MCHBAR32(0x18) = (MCHBAR32(0x18) & ~0xffffff7f) | 0x02010000;
+ MCHBAR16(0x1c) = (MCHBAR16(0x1c) & ~0x7000) | (0x3 << 12);
+
+ /* Power */
+ MCHBAR32(0x1104) = (MCHBAR32(0x1104) & ~0xffff0003) | 0x10100000;
+ MCHBAR32(0x1108) = (MCHBAR32(0x1108) & ~0x0001bff7) | 0x00000078;
+ if (s->selected_timings.fsb_clock == FSB_CLOCK_667MHz) {
+ MCHBAR16(0x110c) = (MCHBAR16(0x110c) & ~0x03ff) | 0xc8;
+ } else {
+ MCHBAR16(0x110c) = (MCHBAR16(0x110c) & ~0x03ff) | 0x100;
+ }
+ j = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 0 : 1;
+
+ MCHBAR32(0x1110) = (MCHBAR32(0x1110) & ~0x1fff37f) | 0x10810700;
+ MCHBAR8(0x1114) = (MCHBAR8(0x1114) & ~0x07) | 1;
+ MCHBAR8(0x1124) = MCHBAR8(0x1124) & ~0x02;
+
+ u16 ddr2lut[2][4][2] = {{
+ {0x0000, 0x0000},
+ {0x019A, 0x0039},
+ {0x0099, 0x1049},
+ {0x0000, 0x0000}
+ },
+ {
+ {0x0000, 0x0000},
+ {0x019A, 0x0039},
+ {0x0099, 0x1049},
+ {0x0099, 0x2159}
+ }};
+
+ MCHBAR16(0x23c) = 0x7a89;
+ MCHBAR8(0x117) = 0xaa;
+ MCHBAR16(0x118) = ddr2lut[j][s->selected_timings.CAS - 3][1];
+ MCHBAR16(0x115) = (MCHBAR16(0x115) & ~0x7fff) | ddr2lut[j]
+ [s->selected_timings.CAS - 3][0];
+ MCHBAR16(0x210) = (MCHBAR16(0x210) & ~0xf000) | 0xf000;
+ MCHBAR8(0x2c02) = (MCHBAR8(0x2c02) & ~0x77) | (4 << 4 | 4);
+ if (s->nodll) {
+ reg32 = 0x30000000;
+ } else {
+ reg32 = 0;
+ }
+ MCHBAR32(0x2c0) = (MCHBAR32(0x2c0) & ~0x0f000000) | 0x20000000 | reg32;
+ MCHBAR32(0x2d1) = (MCHBAR32(0x2d1) & ~0x00f00000) | 0x00f00000;
+ MCHBAR32(0x6d0) = (MCHBAR32(0x6d0) & ~0x001ff000) | (0xbf << 20);
+ MCHBAR16(0x610) = (MCHBAR16(0x610) & ~0x1f7f) | (0xb << 8) | (7 << 4) | 0xb;
+ MCHBAR16(0x612) = 0x3264;
+ MCHBAR16(0x614) = (MCHBAR16(0x614) & ~0x3f3f) | (0x14 << 8) | 0xa;
+
+ MCHBAR32(0x6c0) = MCHBAR32(0x6c0) | 0x80002000;
+}
+
+static void sdram_programddr(void)
+{
+ MCHBAR16(0x6d1) = (MCHBAR16(0x6d1) & ~0x03ff) | 0x100;
+ MCHBAR16(0x210) = (MCHBAR16(0x210) & ~0x003f) | 0x10;
+ MCHBAR16(0x2d1) = (MCHBAR16(0x2d1) & ~0x7000) | 0x2000;
+ MCHBAR8(0x180) = MCHBAR8(0x180) & ~0xe;
+ MCHBAR8(0x18c) = MCHBAR8(0x18c) & ~0xc;
+ MCHBAR8(0x561) = MCHBAR8(0x561) & ~0xe;
+ MCHBAR8(0x565) = MCHBAR8(0x565) & ~0xe;
+ MCHBAR8(0x569) = MCHBAR8(0x569) & ~0xe;
+ MCHBAR8(0x56d) = MCHBAR8(0x56d) & ~0xe;
+ MCHBAR8(0x571) = MCHBAR8(0x571) & ~0xe;
+ MCHBAR8(0x575) = MCHBAR8(0x575) & ~0xe;
+ MCHBAR8(0x579) = MCHBAR8(0x579) & ~0xe;
+ MCHBAR8(0x57d) = MCHBAR8(0x57d) & ~0xe;
+ MCHBAR8(0x18c) = MCHBAR8(0x18c) & ~0x2;
+ MCHBAR16(0x1b4) = MCHBAR16(0x1b4) & ~0x400;
+ MCHBAR16(0x210) = MCHBAR16(0x210) & ~0xdc0;
+ MCHBAR8(0x239) = MCHBAR8(0x239) & ~0x80;
+ MCHBAR32(0x2c0) = MCHBAR32(0x2c0) & ~(1 << 22);
+ MCHBAR16(0x2d1) = MCHBAR16(0x2d1) & ~0x80fc;
+ MCHBAR16(0x6d1) = MCHBAR16(0x6d1) & ~0xc00;
+ MCHBAR8(0x180) = MCHBAR8(0x180) & ~0xd;
+ MCHBAR8(0x561) = MCHBAR8(0x561) & ~1;
+ MCHBAR8(0x565) = MCHBAR8(0x565) & ~1;
+ MCHBAR8(0x569) = MCHBAR8(0x569) & ~1;
+ MCHBAR8(0x56d) = MCHBAR8(0x56d) & ~1;
+ MCHBAR8(0x571) = MCHBAR8(0x571) & ~1;
+ MCHBAR8(0x575) = MCHBAR8(0x575) & ~1;
+ MCHBAR8(0x579) = MCHBAR8(0x579) & ~1;
+ MCHBAR8(0x57d) = MCHBAR8(0x57d) & ~1;
+ MCHBAR32(0x248) = (MCHBAR32(0x248) & ~0x700000) | (0x3 << 20);
+ MCHBAR32(0x2c0) = MCHBAR32(0x2c0) & ~0x100000;
+ MCHBAR8(0x592) = MCHBAR8(0x592) | 0x1e;
+ MCHBAR8(0x2c15) = MCHBAR8(0x2c15) | 0x3;
+ MCHBAR32(0x62c) = (MCHBAR32(0x62c) & ~0xc000000) | 0x4000000;
+ MCHBAR16(0x248) = MCHBAR16(0x248) | 0x6000;
+ MCHBAR32(0x260) = MCHBAR32(0x260) | 0x10000;
+ MCHBAR8(0x2c0) = MCHBAR8(0x2c0) | 0x10;
+ MCHBAR32(0x2d0) = MCHBAR32(0x2d0) | (0xf << 24);
+ MCHBAR8(0x189) = MCHBAR8(0x189) | 0x7;
+ MCHBAR8(0x592) = MCHBAR8(0x592) | 0xc0;
+ MCHBAR8(0x124) = MCHBAR8(0x124) | 0x7;
+ MCHBAR16(0x12a) = (MCHBAR16(0x12a) & ~0xffff) | 0x0080;
+ MCHBAR8(0x12c) = (MCHBAR8(0x12c) & ~0xff) | 0x10;
+ MCHBAR16(0x2c0) = MCHBAR16(0x2c0) | 0x1e0;
+ MCHBAR8(0x189) = MCHBAR8(0x189) | 0x18;
+ MCHBAR8(0x193) = MCHBAR8(0x193) | 0xd;
+ MCHBAR16(0x212) = MCHBAR16(0x212) | 0xa3f;
+ MCHBAR8(0x248) = MCHBAR8(0x248) | 0x3;
+ MCHBAR8(0x268) = (MCHBAR8(0x268) & ~0xff) | 0x4a;
+ MCHBAR8(0x2c4) = MCHBAR8(0x2c4) & ~0x60;
+ MCHBAR16(0x592) = MCHBAR16(0x592) | 0x321;
+}
+
+static void sdram_programdqdqs(struct sys_info *s)
+{
+ u16 mdclk, tpi, refclk, dqdqs_out, dqdqs_outdelay, dqdqs_delay;
+ u32 coretomcp, txdelay, tmaxunmask, tmaxpi;
+ u8 repeat, halfclk, feature, reg8, push;
+ u16 cwb, pimdclk;
+ u32 reg32;
+ u8 txfifotab[8] = { 0, 7, 6, 5, 2, 1, 4, 3 };
+
+ tpi = 3000;
+ dqdqs_out = 4382;
+ dqdqs_outdelay = 5083;
+ dqdqs_delay = 4692;
+ coretomcp = 0;
+ txdelay = 0;
+ halfclk = 0;
+ tmaxunmask = 0;
+ tmaxpi = 0;
+ repeat = 2;
+ feature = 0;
+ cwb = 0;
+ pimdclk = 0;
+ reg32 = 0;
+ push = 0;
+ reg8 = 0;
+
+ mdclk = (s->selected_timings.mem_clock == MEM_CLOCK_667MHz) ? 3000 : 2500;
+ refclk = 3000 - mdclk;
+
+ coretomcp = ((MCHBAR8(0x246) >> 2) & 0x3) + 1;
+ coretomcp *= mdclk;
+
+ reg8 = (MCHBAR8(0x188) & 0xe) >> 1;
+
+ while (repeat) {
+ txdelay = mdclk * (
+ ((MCHBAR16(0x220) >> 8) & 0x7) +
+ (MCHBAR8(0x24d) & 0xf) +
+ (MCHBAR8(0x24e) & 0x1)
+ ) +
+ txfifotab[reg8]*(mdclk/2) +
+ coretomcp +
+ refclk +
+ cwb;
+ halfclk = (MCHBAR8(0x5d9) >> 1) & 0x1;
+ if (halfclk) {
+ txdelay -= mdclk / 2;
+ reg32 = dqdqs_outdelay + coretomcp - mdclk / 2;
+ } else {
+ reg32 = dqdqs_outdelay + coretomcp;
+ }
+
+ tmaxunmask = txdelay - mdclk - dqdqs_out;
+ tmaxpi = tmaxunmask - tpi;
+
+ if ((tmaxunmask >= reg32) && tmaxpi >= dqdqs_delay) {
+ if (repeat == 2) {
+ MCHBAR32(0x2c0) = MCHBAR32(0x2c0) & ~(1 << 23);
+ }
+ feature = 1;
+ repeat = 0;
+ } else {
+ repeat--;
+ MCHBAR32(0x2c0) = MCHBAR32(0x2c0) | (1 << 23);
+ cwb = 2 * mdclk;
+ }
+ }
+
+ if (!feature) {
+ MCHBAR8(0x2d1) = MCHBAR8(0x2d1) & ~0x3;
+ return;
+ }
+ MCHBAR8(0x2d1) = MCHBAR8(0x2d1) | 0x3;
+ MCHBAR16(0x210) = (MCHBAR16(0x210) & ~0xf000) | (pimdclk << 12);
+ MCHBAR8(0x2c02) = (MCHBAR8(0x2c02) & ~0x77) | (push << 4) | push;
+ MCHBAR32(0x2c0) = (MCHBAR32(0x2c0) & ~0xf000000) | 0x3000000;
+}
+
+/**
+ * @param boot_path: 0 = normal, 1 = reset, 2 = resume from s3
+ */
+void sdram_initialize(int boot_path, const u8 *spd_addresses)
+{
+ struct sys_info sysinfo;
+ u8 reg8;
+
+ PRINTK_DEBUG("Setting up RAM controller.\n");
+
+ memset(&sysinfo, 0, sizeof(sysinfo));
+
+ sysinfo.boot_path = boot_path;
+ sysinfo.spd_map[0] = spd_addresses[0];
+ sysinfo.spd_map[1] = spd_addresses[1];
+ sysinfo.spd_map[2] = spd_addresses[2];
+ sysinfo.spd_map[3] = spd_addresses[3];
+
+ sdram_read_spds(&sysinfo);
+
+ /* Choose Common Frequency */
+ sdram_detect_ram_speed(&sysinfo);
+
+ /* Determine smallest common tRAS, tRP, tRCD, etc */
+ sdram_detect_smallest_params(&sysinfo);
+
+ /* Enable HPET */
+ enable_hpet();
+ hpet_udelay(300000);
+
+ MCHBAR16(0xc1c) = MCHBAR16(0xc1c) | (1 << 15);
+
+ hpet_udelay(100000);
+
+ sdram_clk_crossing(&sysinfo);
+
+ sdram_checkreset();
+ PRINTK_DEBUG("Done checkreset\n");
+
+ sdram_clkmode(&sysinfo);
+ PRINTK_DEBUG("Done clkmode\n");
+
+ sdram_timings(&sysinfo);
+ PRINTK_DEBUG("Done timings (dqs dll enabled)\n");
+
+ sdram_dlltiming(&sysinfo);
+ PRINTK_DEBUG("Done dlltiming\n");
+
+ hpet_udelay(200000);
+
+ sdram_rcomp(&sysinfo);
+ PRINTK_DEBUG("Done RCOMP\n");
+
+ sdram_odt(&sysinfo);
+ PRINTK_DEBUG("Done odt\n");
+
+ while ((MCHBAR8(0x130) & 0x1) != 0);
+
+ sdram_mmap(&sysinfo);
+ PRINTK_DEBUG("Done mmap\n");
+
+ // Enable DDR IO buffer
+ MCHBAR8(0x5dd) = (MCHBAR8(0x5dd) & ~0x3f) | 0x8;
+ MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 0x1;
+
+ sdram_rcompupdate(&sysinfo);
+ PRINTK_DEBUG("Done RCOMP update\n");
+
+ MCHBAR8(0x40) = MCHBAR8(0x40) | 0x2;
+
+ if (sysinfo.boot_path != BOOT_PATH_RESUME) {
+ MCHBAR32(0x260) = MCHBAR32(0x260) | (1 << 27);
+ }
+
+ sdram_jedecinit(&sysinfo);
+ PRINTK_DEBUG("Done MRS\n");
+
+ sdram_misc(&sysinfo);
+ PRINTK_DEBUG("Done misc\n");
+
+ sdram_zqcl(&sysinfo);
+ PRINTK_DEBUG("Done zqcl\n");
+
+ if (sysinfo.boot_path != BOOT_PATH_RESUME) {
+ MCHBAR32(0x268) = MCHBAR32(0x268) | 0xc0000000;
+ }
+
+ sdram_dradrb(&sysinfo);
+ PRINTK_DEBUG("Done dradrb\n");
+
+ sdram_rcven(&sysinfo);
+ PRINTK_DEBUG("Done rcven\n");
+
+ //PRINTK_DEBUG("Start vref margin...");
+ //sdram_vrefmargin(&sysinfo);
+ //PRINTK_DEBUG("Done vref margin\n");
+
+ sdram_new_trd(&sysinfo);
+ PRINTK_DEBUG("Done tRD\n");
+
+ sdram_mmap_regs(&sysinfo);
+ PRINTK_DEBUG("Done mmap regs\n");
+
+ sdram_enhancedmode(&sysinfo);
+ PRINTK_DEBUG("Done enhanced mode\n");
+
+ sdram_powersettings(&sysinfo);
+ PRINTK_DEBUG("Done power settings\n");
+
+ sdram_programddr();
+ PRINTK_DEBUG("Done programming ddr\n");
+
+ sdram_programdqdqs(&sysinfo);
+ PRINTK_DEBUG("Done programming dqdqs\n");
+
+ sdram_periodic_rcomp();
+ PRINTK_DEBUG("Done periodic RCOMP\n");
+
+ /* Set init done */
+ MCHBAR32(0x268) = MCHBAR32(0x268) | 0x40000000;
+
+ /* Tell ICH7 that we're done */
+ reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2);
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, reg8 & ~0x80);
+
+ /* Tell northbridge we're done */
+ reg8 = pci_read_config8(PCI_DEV(0,0,0), 0xf4);
+ pci_write_config8(PCI_DEV(0,0,0), 0xf4, reg8 | 1);
+
+#if 0
+ PRINTK_DEBUG("Start dummy write/reads...\n");
+ volatile u32 data;
+ u8 ch, r, bank;
+ u32 reg32;
+ u16 i;
+ FOR_EACH_POPULATED_RANK(sysinfo.dimms, ch, r) {
+ bank = i = 0;
+ for (bank = 0; bank < 8; bank++) {
+// for (i = 0; i < (1 << 12); i+=4) {
+ reg32 = (ch << 29) | (r*0x8000000) | (bank << 12) | i;
+ barrier();
+ write32((u32 *)reg32, 0xffffffff);
+ data = read32((u32 *)reg32);
+ PRINTK_DEBUG("Wrote ones: Read: [0x%08x]=0x%08x\n", reg32, data);
+ barrier();
+ write32((u32 *)reg32, 0x00000000);
+ data = read32((u32 *)reg32);
+ PRINTK_DEBUG("Wrote zeroes: Read: [0x%08x]=0x%08x\n", reg32, data);
+// }
+ }
+ }
+#endif
+
+ printk(BIOS_DEBUG, "RAM initialization finished.\n");
+}
diff --git a/src/northbridge/intel/pineview/raminit.h b/src/northbridge/intel/pineview/raminit.h
new file mode 100644
index 0000000..65da603
--- /dev/null
+++ b/src/northbridge/intel/pineview/raminit.h
@@ -0,0 +1,23 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Damien Zammit <damien at zamaudio.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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.
+ */
+
+#ifndef RAMINIT_H
+#define RAMINIT_H
+
+#include "pineview.h"
+
+void sdram_initialize(int boot_path, const u8 *sdram_addresses);
+
+#endif /* RAMINIT_H */
diff --git a/src/northbridge/intel/pineview/udelay.c b/src/northbridge/intel/pineview/udelay.c
deleted file mode 100644
index 9e68512..0000000
--- a/src/northbridge/intel/pineview/udelay.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007-2008 coresystems GmbH
- *
- * 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; version 2 of the License.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <delay.h>
-#include <stdint.h>
-#include <cpu/x86/tsc.h>
-#include <cpu/x86/msr.h>
-#include <cpu/intel/speedstep.h>
-
-/**
- * Intel Core(tm) CPUs always run the TSC at the maximum possible CPU clock
- */
-
-void udelay(uint32_t us)
-{
- uint32_t dword;
- tsc_t tsc, tsc1, tscd;
- msr_t msr;
- uint32_t fsb = 0, divisor;
- uint32_t d; /* ticks per us */
-
- msr = rdmsr(MSR_FSB_FREQ);
- switch (msr.lo & 0x07) {
- case 5:
- fsb = 400;
- break;
- case 1:
- fsb = 533;
- break;
- case 3:
- fsb = 667;
- break;
- case 2:
- fsb = 800;
- break;
- case 0:
- fsb = 1067;
- break;
- case 4:
- fsb = 1333;
- break;
- case 6:
- fsb = 1600;
- break;
- }
-
- msr = rdmsr(0x198);
- divisor = (msr.hi >> 8) & 0x1f;
-
- d = (fsb * divisor) / 4; /* CPU clock is always a quarter. */
-
- multiply_to_tsc(&tscd, us, d);
-
- tsc1 = rdtsc();
- dword = tsc1.lo + tscd.lo;
- if ((dword < tsc1.lo) || (dword < tscd.lo)) {
- tsc1.hi++;
- }
- tsc1.lo = dword;
- tsc1.hi += tscd.hi;
-
- do {
- tsc = rdtsc();
- } while ((tsc.hi < tsc1.hi)
- || ((tsc.hi == tsc1.hi) && (tsc.lo < tsc1.lo)));
-}
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