src/soc/intel/broadwell/pch/acpi/serialio.asl

/* SPDX-License-Identifier: GPL-2.0-only */

// Intel Serial IO Devices in ACPI Mode

// Serial IO Device BAR0 and BAR1 is 4KB
#define SIO_BAR_LEN 0x1000

// This is defined in SSDT2 which is generated at boot based
// on whether or not the device is enabled in ACPI mode.
External (\S0EN)
External (\S1EN)
External (\S2EN)
External (\S3EN)
External (\S4EN)
External (\S5EN)
External (\S6EN)
External (\S7EN)

External (\S0B0)
External (\S1B0)
External (\S2B0)
External (\S3B0)
External (\S4B0)
External (\S5B0)
External (\S6B0)
External (\S7B0)

External (\S0B1)
External (\S1B1)
External (\S2B1)
External (\S3B1)
External (\S4B1)
External (\S5B1)
External (\S6B1)
External (\S7B1)

// Serial IO Resource Consumption for BAR1
Device (SIOR)
{
	Name (_HID, EISAID ("PNP0C02"))
	Name (_UID, 4)

	Name (RBUF, ResourceTemplate ()
	{
		// Serial IO BAR1 (PCI config space) resources
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D0) // SDMA
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D1) // I2C0
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D2) // I2C1
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D3) // SPI0
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D4) // SPI1
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D5) // UART0
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D6) // UART1
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D7) // SDIO
	})

	// Update BAR1 address and length if set in NVS
	Method (_CRS, 0, NotSerialized)
	{
		// SDMA
		If (\S0B1 != 0) {
			CreateDwordField (^RBUF, ^B1D0._BAS, B0AD)
			CreateDwordField (^RBUF, ^B1D0._LEN, B0LN)
			B0AD = \S0B1
			B0LN = SIO_BAR_LEN
		}

		// I2C0
		If (\S1B1 != 0) {
			CreateDwordField (^RBUF, ^B1D1._BAS, B1AD)
			CreateDwordField (^RBUF, ^B1D1._LEN, B1LN)
			B1AD = \S1B1
			B1LN = SIO_BAR_LEN
		}

		// I2C1
		If (\S2B1 != 0) {
			CreateDwordField (^RBUF, ^B1D2._BAS, B2AD)
			CreateDwordField (^RBUF, ^B1D2._LEN, B2LN)
			B2AD = \S2B1
			B2LN = SIO_BAR_LEN
		}

		// SPI0
		If (\S3B1 != 0) {
			CreateDwordField (^RBUF, ^B1D3._BAS, B3AD)
			CreateDwordField (^RBUF, ^B1D3._LEN, B3LN)
			B3AD = \S3B1
			B3LN = SIO_BAR_LEN
		}

		// SPI1
		If (\S4B1 != 0) {
			CreateDwordField (^RBUF, ^B1D4._BAS, B4AD)
			CreateDwordField (^RBUF, ^B1D4._LEN, B4LN)
			B4AD = \S4B1
			B4LN = SIO_BAR_LEN
		}

		// UART0
		If (\S5B1 != 0) {
			CreateDwordField (^RBUF, ^B1D5._BAS, B5AD)
			CreateDwordField (^RBUF, ^B1D5._LEN, B5LN)
			B5AD = \S5B1
			B5LN = SIO_BAR_LEN
		}

		// UART1
		If (\S6B1 != 0) {
			CreateDwordField (^RBUF, ^B1D6._BAS, B6AD)
			CreateDwordField (^RBUF, ^B1D6._LEN, B6LN)
			B6AD = \S6B1
			B6LN = SIO_BAR_LEN
		}

		// SDIO
		If (\S7B1 != 0) {
			CreateDwordField (^RBUF, ^B1D7._BAS, B7AD)
			CreateDwordField (^RBUF, ^B1D7._LEN, B7LN)
			B7AD = \S7B1
			B7LN = SIO_BAR_LEN
		}

		Return (RBUF)
	}
}

Device (SDMA)
{
	// Serial IO DMA Controller
	Name (_HID, "INTL9C60")
	Name (_UID, 1)

	// BAR0 is assigned during PCI enumeration and saved into NVS
	Name (RBUF, ResourceTemplate ()
	{
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
	})

	Method (_CRS, 0, NotSerialized)
	{
		// Update BAR0 address and length if set in NVS
		If (\S0B0 != 0) {
			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
			B0AD = \S0B0
			B0LN = SIO_BAR_LEN
		}

		Return (RBUF)
	}

	Method (_STA, 0, NotSerialized)
	{
		If (\S0EN == 0) {
			Return (0x0)
		} Else {
			Return (0xF)
		}
	}
}

Device (I2C0)
{
	// Serial IO I2C0 Controller
	Method (_HID)
	{
		If (\ISWP ()) {
			// WildcatPoint
			Return ("INT3432")
		}

		// LynxPoint-LP
		Return ("INT33C2")
	}
	Name (_UID, 1)

	Name (SSCN, Package () { 432, 507, 30 })
	Name (FMCN, Package () { 72, 160, 30 })

	// BAR0 is assigned during PCI enumeration and saved into NVS
	Name (RBUF, ResourceTemplate ()
	{
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
	})

	// DMA channels are only used if Serial IO DMA controller is enabled
	Name (DBUF, ResourceTemplate ()
	{
		FixedDMA (0x18, 4, Width32Bit, DMA1) // Tx
		FixedDMA (0x19, 5, Width32Bit, DMA2) // Rx
	})

	Method (_CRS, 0, NotSerialized)
	{
		// Update BAR0 address and length if set in NVS
		If (\S1B0 != 0) {
			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
			B0AD = \S1B0
			B0LN = SIO_BAR_LEN
		}

		// Check if Serial IO DMA Controller is enabled
		If (\S0EN != 0) {
			Return (ConcatenateResTemplate (RBUF, DBUF))
		} Else {
			Return (RBUF)
		}
	}

	Method (_STA, 0, NotSerialized)
	{
		If (\S1EN == 0) {
			Return (0x0)
		} Else {
			Return (0xF)
		}
	}
}

Device (I2C1)
{
	// Serial IO I2C1 Controller
	Method (_HID)
	{
		If (\ISWP ()) {
			// WildcatPoint
			Return ("INT3433")
		}

		// LynxPoint-LP
		Return ("INT33C3")
	}
	Name (_UID, 1)

	Name (SSCN, Package () { 432, 507, 30 })
	Name (FMCN, Package () { 72, 160, 30 })

	// BAR0 is assigned during PCI enumeration and saved into NVS
	Name (RBUF, ResourceTemplate ()
	{
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
	})

	// DMA channels are only used if Serial IO DMA controller is enabled
	Name (DBUF, ResourceTemplate ()
	{
		FixedDMA (0x1A, 6, Width32Bit, DMA1) // Tx
		FixedDMA (0x1B, 7, Width32Bit, DMA2) // Rx
	})

	Method (_CRS, 0, NotSerialized)
	{
		// Update BAR0 address and length if set in NVS
		If (\S2B0 != 0) {
			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
			B0AD = \S2B0
			B0LN = SIO_BAR_LEN
		}

		// Check if Serial IO DMA Controller is enabled
		If (\S0EN != 0) {
			Return (ConcatenateResTemplate (RBUF, DBUF))
		} Else {
			Return (RBUF)
		}
	}

	Method (_STA, 0, NotSerialized)
	{
		If (\S2EN == 0) {
			Return (0x0)
		} Else {
			Return (0xF)
		}
	}
}

Device (SPI0)
{
	// Serial IO SPI0 Controller
	Method (_HID)
	{
		If (\ISWP ()) {
			// WildcatPoint
			Return ("INT3430")
		}

		// LynxPoint-LP
		Return ("INT33C0")
	}
	Name (_UID, 1)

	// BAR0 is assigned during PCI enumeration and saved into NVS
	Name (RBUF, ResourceTemplate ()
	{
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
	})

	Method (_CRS, 0, NotSerialized)
	{
		// Update BAR0 address and length if set in NVS
		If (\S3B0 != 0) {
			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
			B0AD = \S3B0
			B0LN = SIO_BAR_LEN
		}

		Return (RBUF)
	}

	Method (_STA, 0, NotSerialized)
	{
		If (\S3EN == 0) {
			Return (0x0)
		} Else {
			Return (0xF)
		}
	}
}

Device (SPI1)
{
	// Serial IO SPI1 Controller
	Method (_HID)
	{
		If (\ISWP ()) {
			// WildcatPoint
			Return ("INT3431")
		}

		// LynxPoint-LP
		Return ("INT33C1")
	}
	Name (_UID, 1)

	// BAR0 is assigned during PCI enumeration and saved into NVS
	Name (RBUF, ResourceTemplate ()
	{
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
	})

	// DMA channels are only used if Serial IO DMA controller is enabled
	Name (DBUF, ResourceTemplate ()
	{
		FixedDMA (0x10, 0, Width32Bit, DMA1) // Tx
		FixedDMA (0x11, 1, Width32Bit, DMA2) // Rx
	})

	Method (_CRS, 0, NotSerialized)
	{
		// Update BAR0 address and length if set in NVS
		If (\S4B0 != 0) {
			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
			B0AD = \S4B0
			B0LN = SIO_BAR_LEN
		}

		// Check if Serial IO DMA Controller is enabled
		If (\S0EN != 0) {
			Return (ConcatenateResTemplate (RBUF, DBUF))
		} Else {
			Return (RBUF)
		}
	}

	Method (_STA, 0, NotSerialized)
	{
		If (\S4EN == 0) {
			Return (0x0)
		} Else {
			Return (0xF)
		}
	}
}

Device (UAR0)
{
	// Serial IO UART0 Controller
	Method (_HID)
	{
		If (\ISWP ()) {
			// WildcatPoint
			Return ("INT3434")
		}

		// LynxPoint-LP
		Return ("INT33C4")
	}
	Name (_UID, 1)

	// BAR0 is assigned during PCI enumeration and saved into NVS
	Name (RBUF, ResourceTemplate ()
	{
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {13}
	})

	// DMA channels are only used if Serial IO DMA controller is enabled
	Name (DBUF, ResourceTemplate ()
	{
		FixedDMA (0x16, 2, Width32Bit, DMA1) // Tx
		FixedDMA (0x17, 3, Width32Bit, DMA2) // Rx
	})

	Method (_CRS, 0, NotSerialized)
	{
		// Update BAR0 address and length if set in NVS
		If (\S5B0 != 0) {
			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
			B0AD = \S5B0
			B0LN = SIO_BAR_LEN
		}

		// Check if Serial IO DMA Controller is enabled
		If (\S0EN != 0) {
			Return (ConcatenateResTemplate (RBUF, DBUF))
		} Else {
			Return (RBUF)
		}
	}

	Method (_STA, 0, NotSerialized)
	{
		If (\S5EN == 0) {
			Return (0x0)
		} Else {
			Return (0xF)
		}
	}
}

Device (UAR1)
{
	// Serial IO UART1 Controller
	Method (_HID)
	{
		If (\ISWP ()) {
			// WildcatPoint
			Return ("INT3435")
		}

		// LynxPoint-LP
		Return ("INT33C5")
	}
	Name (_UID, 1)

	// BAR0 is assigned during PCI enumeration and saved into NVS
	Name (RBUF, ResourceTemplate ()
	{
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {13}
	})

	Method (_CRS, 0, NotSerialized)
	{
		// Update BAR0 address and length if set in NVS
		If (\S6B0 != 0) {
			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
			B0AD = \S6B0
			B0LN = SIO_BAR_LEN
		}

		Return (RBUF)
	}

	Method (_STA, 0, NotSerialized)
	{
		If (\S6EN == 0) {
			Return (0x0)
		} Else {
			Return (0xF)
		}
	}
}

Device (SDIO)
{
	// Serial IO SDIO Controller
	Method (_HID)
	{
		If (\ISWP ()) {
			// WildcatPoint
			Return ("INT3436")
		}

		// LynxPoint-LP
		Return ("INT33C6")
	}
	Name (_CID, "PNP0D40")
	Name (_UID, 1)

	// BAR0 is assigned during PCI enumeration and saved into NVS
	Name (RBUF, ResourceTemplate ()
	{
		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {5}
	})

	Method (_CRS, 0, NotSerialized)
	{
		// Update BAR0 address and length if set in NVS
		If (\S7B0 != 0) {
			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
			B0AD = \S7B0
			B0LN = SIO_BAR_LEN
		}

		Return (RBUF)
	}

	Method (_STA, 0, NotSerialized)
	{
		If (\S7EN == 0) {
			Return (0x0)
		} Else {
			Return (0xF)
		}
	}
}