intel/gm45: new northbridge
The code supports DDR3 boards only. RAM init for DDR2 is sufficiently
different that it requires separate code, and we have no boards to
test that.
Change-Id: I9076546faf8a2033c89eb95f5eec524439ab9fe1
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: http://review.coreboot.org/1689
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/northbridge/intel/gm45/acpi/hostbridge.asl b/src/northbridge/intel/gm45/acpi/hostbridge.asl
new file mode 100644
index 0000000..3d70e54
--- /dev/null
+++ b/src/northbridge/intel/gm45/acpi/hostbridge.asl
@@ -0,0 +1,241 @@
+/*
+ * 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.
+ *
+ * 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/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, 24, // 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
+
+Method (_CRS, 0, Serialized)
+{
+ 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)
+ })
+
+ // 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 20-31 of
+ // the top of memory address.
+ ShiftLeft (^MCHC.TLUD, 20, PMIN)
+ Add(Subtract(PMAX, PMIN), 1, PLEN)
+
+ Return (MCRS)
+}
+
+/* IRQ assignment is mainboard specific. Get it from mainboard ACPI code */
+#include "acpi/gm45_pci_irqs.asl"
+
+