[coreboot-gerrit] Patch set updated for coreboot: soc/intel/apollolake: Fill northbridge ASL

Lijian Zhao (lijian.zhao@intel.com) gerrit at coreboot.org
Mon Apr 4 20:25:54 CEST 2016


Lijian Zhao (lijian.zhao at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13371

-gerrit

commit 1b2de4f5b85138741a9490b2b4d5ce77ab928c5d
Author: Zhao, Lijian <lijian.zhao at intel.com>
Date:   Wed Dec 2 15:34:45 2015 -0800

    soc/intel/apollolake: Fill northbridge ASL
    
    Northbridge resource assignment:
    Dynamicly update memory resources for northbridge devices, exclude any
    fixed MMIO resources.
    
    Change-Id: I9595f9a12434fa423862836d19f7266d6023fc5a
    Signed-off-by: Zhao, Lijian <lijian.zhao at intel.com>
---
 src/soc/intel/apollolake/acpi/northbridge.asl | 126 ++++++++++++++++++++++++++
 src/soc/intel/apollolake/acpi/pci_irqs.asl    |  51 +++++++++++
 2 files changed, 177 insertions(+)

diff --git a/src/soc/intel/apollolake/acpi/northbridge.asl b/src/soc/intel/apollolake/acpi/northbridge.asl
new file mode 100644
index 0000000..53b054b
--- /dev/null
+++ b/src/soc/intel/apollolake/acpi/northbridge.asl
@@ -0,0 +1,126 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corp.
+ * (Written by Lance Zhao <lijian.zhao at intel.com> for Intel Corp.)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+        Name(_HID, EISAID("PNP0A08"))	/* PCIe */
+        Name(_CID, EISAID("PNP0A03"))	/* PCI */
+        Name(_ADR, 0)
+        Name(_BBN, 0)
+
+Device (MCHC)
+{
+	Name (_ADR, 0x00000000)		/*Dev0 Func0 */
+
+		OperationRegion (MCHP, PCI_Config, 0x00, 0x100)
+		Field (MCHP, DWordAcc, NoLock, Preserve)
+		{
+			Offset(0x60),
+			MCNF,	32,	/* PCI MMCONF base */
+			Offset (0xA8),
+			TUUD, 64,	/* Top of Upper Used Memory */
+			Offset(0xB4),
+			BGSM,   32,	/* Base of Graphics Stolen Memory */
+			Offset(0xBC),
+			TLUD,   32,	/* Top of Low Useable DRAM */
+		}
+}
+
+/* Current Resource Settings */
+Method (_CRS, 0, Serialized)
+{
+	Name (MCRS, ResourceTemplate()
+	{
+		/* Bus Numbers */
+		WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
+				0x0000, 0x0000, 0x00ff, 0x0000, 0x0100,,,)
+
+		/* IO Region 0 */
+		DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+				0x0000, 0x0000, 0x0cf7, 0x0000, 0x0cf8,,,)
+
+		/* PCI Config Space */
+		Io (Decode16, 0x0cf8, 0x0cf8, 0x0001, 0x0008)
+
+		/* IO Region 1 */
+		DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+				0x0000, 0x01000, 0xffff, 0x0000, 0xf000,,,)
+
+		/* VGA memory (0xa0000-0xbffff) */
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000a0000, 0x000bffff, 0x00000000,
+				0x00020000,,,)
+
+		/* Data and GFX stolen memory */
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x3be00000, 0x3fffffff, 0x00000000,
+				0x04200000,,, STOM)
+
+		/*
+		 * PCI MMIO Region (TOLUD - PCI extended base MMCONF)
+		 * This assumes that MMCONF is placed after PCI config space,
+		 * and that no resources are allocated after the MMCONF region.
+		 * This works, sicne MMCONF is hardcoded to 0xe00000000.
+		 */
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				NonCacheable, ReadWrite,
+				0x00000000, 0x00000000, 0x00000000, 0x00000000,
+				0x00000000,,, PM01)
+
+		/* PCI Memory Region (TOUUD - (TOUUD + ABOVE_4G_MMIO_SIZE)) */
+		QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				NonCacheable, ReadWrite,
+				0x00000000, 0x10000, 0x1ffff, 0x00000000,
+				0x10000,,, PM02)
+})
+
+	/* Find PCI resource area in MCRS */
+	CreateDwordField (MCRS, PM01._MIN, PMIN)
+	CreateDwordField (MCRS, PM01._MAX, PMAX)
+	CreateDwordField (MCRS, PM01._LEN, PLEN)
+
+	/* Read C-Unit PCI CFG Reg. 0xBC for TOLUD (shadow from B-Unit) */
+	And(^MCHC.TLUD, 0xFFF00000, PMIN)
+	/* Read MMCONF base */
+	And(^MCHC.MCNF, 0xF0000000, PMAX)
+
+	/* Calculate PCI MMIO Length */
+	Add(Subtract(PMAX, PMIN), 1, PLEN)
+
+	/* Find GFX resource area in GCRS */
+	CreateDwordField(MCRS, STOM._MIN, GMIN)
+	CreateDwordField(MCRS, STOM._MAX, GMAX)
+	CreateDwordField(MCRS, STOM._LEN, GLEN)
+
+	/* Read BGSM */
+	And(^MCHC.BGSM, 0xFFF00000, GMIN)
+
+	/* Read TOLUD */
+	And(^MCHC.TLUD, 0xFFF00000, GMAX)
+	Decrement(GMAX)
+	Add(Subtract(GMAX, GMIN), 1, GLEN)
+
+	/* Patch PM02 range based on Memory Size */
+	CreateQwordField (MCRS, PM02._MIN, MMIN)
+	CreateQwordField (MCRS, PM02._MAX, MMAX)
+	CreateQwordField (MCRS, PM02._LEN, MLEN)
+
+	Store (^MCHC.TUUD, Local0)
+
+	If (LLessEqual (Local0, 0x1000000000)) {
+		Store (0, MMIN)
+		Store (0, MLEN)
+	}
+	Subtract (Add (MMIN, MLEN), 1, MMAX)
+
+	Return (MCRS)
+}
diff --git a/src/soc/intel/apollolake/acpi/pci_irqs.asl b/src/soc/intel/apollolake/acpi/pci_irqs.asl
new file mode 100644
index 0000000..ba3aee5
--- /dev/null
+++ b/src/soc/intel/apollolake/acpi/pci_irqs.asl
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corp.
+ * (Written by Lance Zhao <lijian.zhao at intel.com> for Intel Corp.)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+Method(_PRT)
+{
+	Return(Package() {
+
+	       Package(){0x0000FFFF, 0, 0, 16},		/* NPK */
+	       Package(){0x0000FFFF, 1, 0, 24},		/* DPTF */
+	       Package(){0x0002FFFF, 0, 0, 19},		/* GEN */
+	       Package(){0x0003FFFF, 0, 0, 21},		/* IUNIT */
+	       Package(){0x000DFFFF, 1, 0, 40},		/* PMC */
+	       Package(){0x000EFFFF, 0, 0, 25},		/* Audio */
+	       Package(){0x000FFFFF, 0, 0, 20},		/* CSE */
+	       Package(){0x0011FFFF, 0, 0, 26},		/* ISH */
+	       Package(){0x0012FFFF, 0, 0, 19},		/* SATA */
+	       Package(){0x0013FFFF, 0, 0, 22},		/* PCIe-A 0 */
+	       Package(){0x0014FFFF, 0, 0, 22},		/* PCIe-B 0 */
+	       Package(){0x0015FFFF, 0, 0, 17},		/* xHCI */
+	       Package(){0x0015FFFF, 1, 0, 13},		/* xDCI */
+	       Package(){0x0016FFFF, 0, 0, 27},		/* I2C0 */
+	       Package(){0x0016FFFF, 1, 0, 28},		/* I2C1 */
+	       Package(){0x0016FFFF, 2, 0, 29},		/* I2C2 */
+	       Package(){0x0016FFFF, 3, 0, 30},		/* I2C3 */
+	       Package(){0x0017FFFF, 0, 0, 31},		/* I2C4 */
+	       Package(){0x0017FFFF, 1, 0, 32},		/* I2C5 */
+	       Package(){0x0017FFFF, 2, 0, 33},		/* I2C6 */
+	       Package(){0x0017FFFF, 3, 0, 34},		/* I2C7 */
+	       Package(){0x0018FFFF, 0, 0, 4},		/* UART0 */
+	       Package(){0x0018FFFF, 1, 0, 5},		/* UART1 */
+	       Package(){0x0018FFFF, 2, 0, 6},		/* UART2 */
+	       Package(){0x0018FFFF, 3, 0, 7},		/* UART3 */
+	       Package(){0x0019FFFF, 0, 0, 35},		/* SPI0 */
+	       Package(){0x0019FFFF, 1, 0, 36},		/* SPI1 */
+	       Package(){0x0019FFFF, 2, 0, 37},		/* SPI2 */
+	       Package(){0x001BFFFF, 0, 0, 3},		/* SDCard */
+	       Package(){0x001CFFFF, 0, 0, 39},		/* eMMC */
+	       Package(){0x001EFFFF, 0, 0, 42},		/* SDIO */
+	       Package(){0x001FFFFF, 0, 0, 20},		/* LPC */
+	       }
+	)
+}



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