diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/skylake/acpi/gpio.asl | 147 | ||||
| -rw-r--r-- | src/soc/intel/skylake/include/soc/gpio_defs.h | 5 | ||||
| -rw-r--r-- | src/soc/intel/skylake/include/soc/iomap.h | 6 | ||||
| -rw-r--r-- | src/soc/intel/skylake/include/soc/irq.h | 2 |
4 files changed, 57 insertions, 103 deletions
diff --git a/src/soc/intel/skylake/acpi/gpio.asl b/src/soc/intel/skylake/acpi/gpio.asl index 69ee721393..3b4740b8bf 100644 --- a/src/soc/intel/skylake/acpi/gpio.asl +++ b/src/soc/intel/skylake/acpi/gpio.asl @@ -18,46 +18,64 @@ * Foundation, Inc. */ -Device (GPIO) +#include <soc/irq.h> +#include <soc/iomap.h> +#include <soc/pcr.h> +#include <soc/gpio_defs.h> + +/* PCR Register Access Methods PCR Dword Read arg0: PID arg1: Offset */ +Method (PCRR, 2, Serialized) { - // GPIO Controller - Method (_HID) + Add (ShiftLeft (Arg0, PCR_PORTID_SHIFT), Arg1, Local0) + Add (PCH_PCR_BASE_ADDRESS, Local0, Local0) + OperationRegion (PCR0, SystemMemory, Local0, 0x4) + + Field(PCR0, DWordAcc, Lock, Preserve) { - //Sunrisepoint-LP PCH - Return ("INT344B") + Offset(0x00), + DAT0, 32 } + Return (DAT0) +} + +Device (GPIO) +{ + /* GPIO Controller */ + Name (_HID, "INT344B") Name (_UID, 1) Name (RBUF, ResourceTemplate() { - DWordIo (ResourceProducer, - MinFixed, // IsMinFixed - MaxFixed, // IsMaxFixed - PosDecode, // Decode - EntireRange, // ISARanges - 0x00000000, // AddressGranularity - 0x00000000, // AddressMinimum - 0x00000000, // AddressMaximum - 0x00000000, // AddressTranslation - 0x00000000, // RangeLength - , // ResourceSourceIndex - , // ResourceSource - BAR0) - // Disabled due to IRQ storm: http://crosbug.com/p/29548 - //Interrupt (ResourceConsumer, - // Level, ActiveHigh, Shared, , , ) {14} + Memory32Fixed (ReadWrite, 0, GPIO_BASE_SIZE, _R0) + Memory32Fixed (ReadWrite, 0, GPIO_BASE_SIZE, _R1) + Memory32Fixed (ReadWrite, 0, GPIO_BASE_SIZE, _R3) + Interrupt (ResourceConsumer, Level, ActiveLow, Shared, ,, _R4) + { + GPIO_IRQ14, + } }) - Method (_CRS, 0, NotSerialized) + Method (_CRS, 0, NotSerialized) /* _CRS: Current Resource Settings */ { - CreateDwordField (^RBUF, ^BAR0._MIN, BMIN) - CreateDwordField (^RBUF, ^BAR0._MAX, BMAX) - CreateDwordField (^RBUF, ^BAR0._LEN, BLEN) - - Store (GPIO_BASE_SIZE, BLEN) - Store (GPIO_BASE_ADDRESS, BMIN) - Store (Subtract (Add (GPIO_BASE_ADDRESS, - GPIO_BASE_SIZE), 1), BMAX) + CreateDWordField (^RBUF, ^_R0._BAS, COM0) + CreateDWordField (^RBUF, ^_R1._BAS, COM1) + CreateDWordField (^RBUF, ^_R3._BAS, COM3) + CreateDWordField (^RBUF, ^_R4._INT, IRQN) + + Store (Add (PCH_PCR_BASE_ADDRESS, + ShiftLeft (PID_GPIOCOM0, PCR_PORTID_SHIFT)), COM0) + Store (Add (PCH_PCR_BASE_ADDRESS, + ShiftLeft (PID_GPIOCOM1, PCR_PORTID_SHIFT)), COM1) + Store (Add (PCH_PCR_BASE_ADDRESS, + ShiftLeft (PID_GPIOCOM3, PCR_PORTID_SHIFT)), COM3) + Store (And (PCRR (PID_GPIOCOM0, MISCCFG_OFFSET), + GPIO_DRIVER_IRQ_ROUTE_MASK), Local0) + + If (LEqual (Local0, GPIO_DRIVER_IRQ_ROUTE_IRQ14)) { + Store (GPIO_IRQ14, IRQN) + } Else { + Store (GPIO_IRQ15, IRQN) + } Return (RBUF) } @@ -66,73 +84,4 @@ Device (GPIO) { Return (0xF) } - - // GWAK: Setup GPIO as ACPI GPE for Wake - // Arg0: GPIO Number - Method (GWAK, 1, NotSerialized) - { - // Local0 = GPIO Base Address - Store (And (GPBS, Not(0x1)), Local0) - - // Local1 = BANK, Local2 = OFFSET - Divide (Arg0, 32, Local2, Local1) - - // - // Set OWNER to ACPI - // - - // Local3 = GPIOBASE + GPIO_OWN(BANK) - Store (Add (Local0, Multiply (Local1, 0x4)), Local3) - - // GPIO_OWN(BANK) - OperationRegion (IOWN, SystemIO, Local3, 4) - Field (IOWN, AnyAcc, NoLock, Preserve) { - GOWN, 32, - } - - // GPIO_OWN[GPIO] = 0 (ACPI) - Store (And (GOWN, Not (ShiftLeft (0x1, Local2))), GOWN) - - // - // Set ROUTE to SCI - // - - // Local3 = GPIOBASE + GPIO_ROUTE(BANK) - Store (Add (Add (Local0, 0x30), Multiply (Local1, 0x4)), Local3) - - // GPIO_ROUTE(BANK) - OperationRegion (IROU, SystemIO, Local3, 4) - Field (IROU, AnyAcc, NoLock, Preserve) { - GROU, 32, - } - - // GPIO_ROUTE[GPIO] = 0 (SCI) - Store (And (GROU, Not (ShiftLeft (0x1, Local2))), GROU) - - // - // Set GPnCONFIG to GPIO|INPUT|INVERT - // - - // Local3 = GPIOBASE + GPnCONFIG0(GPIO) - Store (Add (Add (Local0, 0x100), Multiply (Arg0, 0x8)), Local3) - - // GPnCONFIG(GPIO) - OperationRegion (GPNC, SystemIO, Local3, 8) - Field (GPNC, AnyAcc, NoLock, Preserve) { - GMOD, 1, // MODE: 0=NATIVE 1=GPIO - , 1, - GIOS, 1, // IO_SEL: 0=OUTPUT 1=INPUT - GINV, 1, // INVERT: 0=NORMAL 1=INVERT - GLES, 1, // LxEB: 0=EDGE 1=LEVEL - , 24, - ILVL, 1, // INPUT: 0=LOW 1=HIGH - OLVL, 1, // OUTPUT: 0=LOW 1=HIGH - GPWP, 2, // PULLUP: 00=NONE 01=DOWN 10=UP 11=INVALID - ISEN, 1, // SENSE: 0=ENABLE 1=DISABLE - } - - Store (0x1, GMOD) // GPIO - Store (0x1, GIOS) // INPUT - Store (0x1, GINV) // INVERT - } } diff --git a/src/soc/intel/skylake/include/soc/gpio_defs.h b/src/soc/intel/skylake/include/soc/gpio_defs.h index 61d80bdffc..625acdb74e 100644 --- a/src/soc/intel/skylake/include/soc/gpio_defs.h +++ b/src/soc/intel/skylake/include/soc/gpio_defs.h @@ -476,4 +476,9 @@ #define PAD_TERM_667_PU 13 #define PAD_TERM_NATIVE 15 +#define MISCCFG_OFFSET 0x10 +#define GPIO_DRIVER_IRQ_ROUTE_MASK 8 +#define GPIO_DRIVER_IRQ_ROUTE_IRQ14 0 +#define GPIO_DRIVER_IRQ_ROUTE_IRQ15 8 + #endif /* _SOC_GPIO_DEFS_H_ */ diff --git a/src/soc/intel/skylake/include/soc/iomap.h b/src/soc/intel/skylake/include/soc/iomap.h index c56b8e4835..916719d893 100644 --- a/src/soc/intel/skylake/include/soc/iomap.h +++ b/src/soc/intel/skylake/include/soc/iomap.h @@ -57,6 +57,8 @@ #define PCH_PWRM_BASE_ADDRESS 0xfe000000 #define PCH_PWRM_BASE_SIZE 0x10000 +#define GPIO_BASE_SIZE 0x10000 + /* * I/O port address space */ @@ -66,10 +68,6 @@ #define ACPI_BASE_ADDRESS 0x1800 #define ACPI_BASE_SIZE 0x100 -/* FIXME: not applicable as there is no I/O space for gpio access. */ -#define GPIO_BASE_ADDRESS 0x1400 -#define GPIO_BASE_SIZE 0x400 - #define TCO_BASE_ADDDRESS 0x400 #define TCO_BASE_SIZE 0x20 diff --git a/src/soc/intel/skylake/include/soc/irq.h b/src/soc/intel/skylake/include/soc/irq.h index 7f3fd65617..430a13c38b 100644 --- a/src/soc/intel/skylake/include/soc/irq.h +++ b/src/soc/intel/skylake/include/soc/irq.h @@ -17,6 +17,8 @@ #ifndef _SOC_IRQ_H_ #define _SOC_IRQ_H_ +#define GPIO_IRQ14 14 +#define GPIO_IRQ15 15 #define LPSS_I2C0_IRQ 16 #define LPSS_I2C1_IRQ 17 #define LPSS_I2C2_IRQ 18 |