diff --git a/arch/x86/cpu/tangier/Makefile b/arch/x86/cpu/tangier/Makefile index d146b3f..92cfa55 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 0000000..75e777d --- /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 +#include +#include +#include +#include +#include +#include +#include +#include + +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 0000000..b1f0f67 --- /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 + +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 0000000..a57b7cb --- /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 + +/* + * 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 0000000..e80ec0a --- /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 0000000..8ab5cf2 --- /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_ */