Merge git://git.denx.de/u-boot-x86

6 files changed, 455 insertions, 0 deletions

diff --git a/arch/x86/cpu/tangier/Makefile b/arch/x86/cpu/tangier/Makefile
index d146b3f5c28..92cfa555ed4 100644
--- a/arch/x86/cpu/tangier/Makefile
+++ b/arch/x86/cpu/tangier/Makefile
@@ -5,3 +5,4 @@
 #
 
 obj-y += car.o tangier.o sdram.o
+obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi.o
diff --git a/arch/x86/cpu/tangier/acpi.c b/arch/x86/cpu/tangier/acpi.c
new file mode 100644
index 00000000000..75e777dcd76
--- /dev/null
+++ b/arch/x86/cpu/tangier/acpi.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2017 Intel Corporation
+ *
+ * Partially based on acpi.c for other x86 platforms
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <cpu.h>
+#include <dm.h>
+#include <dm/uclass-internal.h>
+#include <asm/acpi_table.h>
+#include <asm/ioapic.h>
+#include <asm/mpspec.h>
+#include <asm/tables.h>
+#include <asm/arch/global_nvs.h>
+
+void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
+		      void *dsdt)
+{
+	struct acpi_table_header *header = &(fadt->header);
+
+	memset((void *)fadt, 0, sizeof(struct acpi_fadt));
+
+	acpi_fill_header(header, "FACP");
+	header->length = sizeof(struct acpi_fadt);
+	header->revision = 6;
+
+	fadt->firmware_ctrl = (u32)facs;
+	fadt->dsdt = (u32)dsdt;
+	fadt->preferred_pm_profile = ACPI_PM_UNSPECIFIED;
+
+	fadt->iapc_boot_arch = ACPI_FADT_VGA_NOT_PRESENT |
+			       ACPI_FADT_NO_PCIE_ASPM_CONTROL;
+	fadt->flags =
+		ACPI_FADT_WBINVD |
+		ACPI_FADT_POWER_BUTTON | ACPI_FADT_SLEEP_BUTTON |
+		ACPI_FADT_SEALED_CASE | ACPI_FADT_HEADLESS |
+		ACPI_FADT_HW_REDUCED_ACPI;
+
+	fadt->minor_revision = 2;
+
+	fadt->x_firmware_ctl_l = (u32)facs;
+	fadt->x_firmware_ctl_h = 0;
+	fadt->x_dsdt_l = (u32)dsdt;
+	fadt->x_dsdt_h = 0;
+
+	header->checksum = table_compute_checksum(fadt, header->length);
+}
+
+u32 acpi_fill_madt(u32 current)
+{
+	current += acpi_create_madt_lapics(current);
+
+	current += acpi_create_madt_ioapic((struct acpi_madt_ioapic *)current,
+			io_apic_read(IO_APIC_ID) >> 24, IO_APIC_ADDR, 0);
+
+	return current;
+}
+
+u32 acpi_fill_mcfg(u32 current)
+{
+	/* TODO: Derive parameters from SFI MCFG table */
+	current += acpi_create_mcfg_mmconfig
+		((struct acpi_mcfg_mmconfig *)current,
+		0x3f500000, 0x0, 0x0, 0x0);
+
+	return current;
+}
+
+void acpi_create_gnvs(struct acpi_global_nvs *gnvs)
+{
+	struct udevice *dev;
+	int ret;
+
+	/* at least we have one processor */
+	gnvs->pcnt = 1;
+
+	/* override the processor count with actual number */
+	ret = uclass_find_first_device(UCLASS_CPU, &dev);
+	if (ret == 0 && dev != NULL) {
+		ret = cpu_get_count(dev);
+		if (ret > 0)
+			gnvs->pcnt = ret;
+	}
+}
diff --git a/arch/x86/include/asm/arch-tangier/acpi/global_nvs.asl b/arch/x86/include/asm/arch-tangier/acpi/global_nvs.asl
new file mode 100644
index 00000000000..b1f0f67979b
--- /dev/null
+++ b/arch/x86/include/asm/arch-tangier/acpi/global_nvs.asl
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2017 Intel Corporation
+ *
+ * Partially based on global_nvs.asl for other x86 platforms
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/acpi/global_nvs.h>
+
+OperationRegion(GNVS, SystemMemory, ACPI_GNVS_ADDR, ACPI_GNVS_SIZE)
+Field(GNVS, ByteAcc, NoLock, Preserve)
+{
+    Offset (0x00),
+    PCNT, 8,    /* processor count */
+}
diff --git a/arch/x86/include/asm/arch-tangier/acpi/platform.asl b/arch/x86/include/asm/arch-tangier/acpi/platform.asl
new file mode 100644
index 00000000000..a57b7cb319e
--- /dev/null
+++ b/arch/x86/include/asm/arch-tangier/acpi/platform.asl
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2017 Intel Corporation
+ *
+ * Partially based on platform.asl for other x86 platforms
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/acpi/statdef.asl>
+
+/*
+ * The _PTS method (Prepare To Sleep) is called before the OS is
+ * entering a sleep state. The sleep state number is passed in Arg0.
+ */
+Method(_PTS, 1)
+{
+}
+
+/* The _WAK method is called on system wakeup */
+Method(_WAK, 1)
+{
+    Return (Package() {0, 0})
+}
+
+/* ACPI global NVS */
+#include "global_nvs.asl"
+
+Scope (\_SB)
+{
+    #include "southcluster.asl"
+}
diff --git a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
new file mode 100644
index 00000000000..e80ec0a9be5
--- /dev/null
+++ b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
@@ -0,0 +1,298 @@
+/*
+ * Copyright (c) 2017 Intel Corporation
+ *
+ * Partially based on southcluster.asl for other x86 platforms
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+Device (PCI0)
+{
+    Name (_HID, EISAID("PNP0A08"))    /* PCIe */
+    Name (_CID, EISAID("PNP0A03"))    /* PCI */
+
+    Name (_ADR, 0)
+    Name (_BBN, 0)
+
+    Name (MCRS, ResourceTemplate()
+    {
+        /* Bus Numbers */
+        WordBusNumber(ResourceProducer, MinFixed, MaxFixed, PosDecode,
+                0x0000, 0x0000, 0x00ff, 0x0000, 0x0100, , , PB00)
+
+        /* IO Region 0 */
+        WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+                0x0000, 0x0000, 0x0cf7, 0x0000, 0x0cf8, , , PI00)
+
+        /* PCI Config Space */
+        IO(Decode16, 0x0cf8, 0x0cf8, 0x0001, 0x0008)
+
+        /* IO Region 1 */
+        WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+                0x0000, 0x0d00, 0xffff, 0x0000, 0xf300, , , PI01)
+
+        /* GPIO Low Memory Region */
+        DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+                Cacheable, ReadWrite,
+                0x00000000, 0x000ddcc0, 0x000ddccf, 0x00000000,
+                0x00000010, , , GP00)
+
+        /* PSH Memory Region 0 */
+        DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+                Cacheable, ReadWrite,
+                0x00000000, 0x04819000, 0x04898fff, 0x00000000,
+                0x00080000, , , PSH0)
+
+        /* PSH Memory Region 1 */
+        DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+                Cacheable, ReadWrite,
+                0x00000000, 0x04919000, 0x04920fff, 0x00000000,
+                0x00008000, , , PSH1)
+
+        /* SST Memory Region */
+        DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+                Cacheable, ReadWrite,
+                0x00000000, 0x05e00000, 0x05ffffff, 0x00000000,
+                0x00200000, , , SST0)
+
+        /* PCI Memory Region */
+        DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+                Cacheable, ReadWrite,
+                0x00000000, 0x80000000, 0xffffffff, 0x00000000,
+                0x80000000, , , PMEM)
+    })
+
+    Method (_CRS, 0, Serialized)
+    {
+        Return (MCRS)
+    }
+
+    Method (_OSC, 4)
+    {
+        /* Check for proper GUID */
+        If (LEqual(Arg0, ToUUID("33db4d5b-1ff7-401c-9657-7441c03dd766"))) {
+            /* Let OS control everything */
+            Return (Arg3)
+        } Else {
+            /* Unrecognized UUID */
+            CreateDWordField(Arg3, 0, CDW1)
+            Or(CDW1, 4, CDW1)
+            Return (Arg3)
+        }
+    }
+
+    Device (SDHC)
+    {
+        Name (_ADR, 0x00010003)
+        Name (_DEP, Package (0x01)
+        {
+            GPIO
+        })
+        Name (PSTS, Zero)
+
+        Method (_STA)
+        {
+            Return (STA_VISIBLE)
+        }
+
+        Method (_PS3, 0, NotSerialized)
+        {
+        }
+
+        Method (_PS0, 0, NotSerialized)
+        {
+            If (PSTS == Zero)
+            {
+                If (^^GPIO.AVBL == One)
+                {
+                    ^^GPIO.WFD3 = One
+                    PSTS = One
+                }
+            }
+        }
+
+        /* BCM43340 */
+        Device (BRC1)
+        {
+            Name (_ADR, 0x01)
+            Name (_DEP, Package (0x01)
+            {
+                GPIO
+            })
+
+            Method (_STA)
+            {
+                Return (STA_VISIBLE)
+            }
+
+            Method (_RMV, 0, NotSerialized)
+            {
+                Return (Zero)
+            }
+
+            Method (_PS3, 0, NotSerialized)
+            {
+                If (^^^GPIO.AVBL == One)
+                {
+                    ^^^GPIO.WFD3 = Zero
+                    PSTS = Zero
+                }
+            }
+
+            Method (_PS0, 0, NotSerialized)
+            {
+                If (PSTS == Zero)
+                {
+                    If (^^^GPIO.AVBL == One)
+                    {
+                        ^^^GPIO.WFD3 = One
+                        PSTS = One
+                    }
+                }
+            }
+        }
+
+        Device (BRC2)
+        {
+            Name (_ADR, 0x02)
+            Method (_STA, 0, NotSerialized)
+            {
+                Return (STA_VISIBLE)
+            }
+
+            Method (_RMV, 0, NotSerialized)
+            {
+                Return (Zero)
+            }
+        }
+    }
+
+    Device (SPI5)
+    {
+        Name (_ADR, 0x00070001)
+        Name (RBUF, ResourceTemplate()
+        {
+            GpioIo(Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly,
+                "\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 91 }
+            GpioIo(Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly,
+                "\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 92 }
+            GpioIo(Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly,
+                "\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 93 }
+            GpioIo(Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly,
+                "\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 94 }
+        })
+
+        Method (_CRS, 0, NotSerialized)
+        {
+            Return (RBUF)
+        }
+
+        /*
+         * See
+         * http://www.kernel.org/doc/Documentation/acpi/gpio-properties.txt
+         * for more information about GPIO bindings.
+         */
+        Name (_DSD, Package () {
+            ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+            Package () {
+                Package () {
+                    "cs-gpios", Package () {
+                        ^SPI5, 0, 0, 0,
+                        ^SPI5, 1, 0, 0,
+                        ^SPI5, 2, 0, 0,
+                        ^SPI5, 3, 0, 0,
+                    },
+                },
+            }
+        })
+
+        Method (_STA, 0, NotSerialized)
+        {
+            Return (STA_VISIBLE)
+        }
+    }
+
+    Device (I2C1)
+    {
+        Name (_ADR, 0x00080000)
+
+        Method (_STA, 0, NotSerialized)
+        {
+            Return (STA_VISIBLE)
+        }
+    }
+
+    Device (GPIO)
+    {
+        Name (_ADR, 0x000c0000)
+
+        Method (_STA)
+        {
+            Return (STA_VISIBLE)
+        }
+
+        Name (AVBL, Zero)
+        Method (_REG, 2, NotSerialized)
+        {
+            If (Arg0 == 0x08)
+            {
+                AVBL = Arg1
+            }
+        }
+
+        OperationRegion (GPOP, GeneralPurposeIo, 0, 1)
+        Field (GPOP, ByteAcc, NoLock, Preserve)
+        {
+            Connection (
+                GpioIo(Exclusive, PullDefault, 0, 0, IoRestrictionOutputOnly,
+                    "\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 56 }
+            ),
+            WFD3, 1,
+        }
+    }
+
+    Device (PWM0)
+    {
+        Name (_ADR, 0x00170000)
+
+        Method (_STA, 0, NotSerialized)
+        {
+            Return (STA_VISIBLE)
+        }
+    }
+}
+
+Device (FLIS)
+{
+    Name (_HID, "PRP0001")
+    Name (_DDN, "Intel Merrifield Family-Level Interface Shim")
+    Name (RBUF, ResourceTemplate()
+    {
+        Memory32Fixed(ReadWrite, 0xFF0C0000, 0x00008000, )
+        PinGroup("spi5", ResourceProducer, ) { 90, 91, 92, 93, 94, 95, 96 }
+        PinGroup("uart0", ResourceProducer, ) { 115, 116, 117, 118 }
+        PinGroup("uart1", ResourceProducer, ) { 119, 120, 121, 122 }
+        PinGroup("uart2", ResourceProducer, ) { 123, 124, 125, 126 }
+        PinGroup("pwm0", ResourceProducer, ) { 144 }
+        PinGroup("pwm1", ResourceProducer, ) { 145 }
+        PinGroup("pwm2", ResourceProducer, ) { 132 }
+        PinGroup("pwm3", ResourceProducer, ) { 133 }
+    })
+
+    Method (_CRS, 0, NotSerialized)
+    {
+        Return (RBUF)
+    }
+
+    Name (_DSD, Package () {
+        ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+        Package () {
+            Package () {"compatible", "intel,merrifield-pinctrl"},
+        }
+    })
+
+    Method (_STA, 0, NotSerialized)
+    {
+        Return (STA_VISIBLE)
+    }
+}
diff --git a/arch/x86/include/asm/arch-tangier/global_nvs.h b/arch/x86/include/asm/arch-tangier/global_nvs.h
new file mode 100644
index 00000000000..8ab5cf2aa2c
--- /dev/null
+++ b/arch/x86/include/asm/arch-tangier/global_nvs.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2017 Intel Corporation
+ *
+ * Partially based on global_nvs.h for other x86 platforms
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _GLOBAL_NVS_H_
+#define _GLOBAL_NVS_H_
+
+struct __packed acpi_global_nvs {
+	u8	pcnt;		/* processor count */
+
+	/*
+	 * Add padding so sizeof(struct acpi_global_nvs) == 0x100.
+	 * This must match the size defined in the global_nvs.asl.
+	 */
+	u8	rsvd[255];
+};
+
+#endif /* _GLOBAL_NVS_H_ */