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-rw-r--r--src/southbridge/intel/common/acpi/smbus.asl214
1 files changed, 0 insertions, 214 deletions
diff --git a/src/southbridge/intel/common/acpi/smbus.asl b/src/southbridge/intel/common/acpi/smbus.asl
index cc9c4e2b0a..32b0b9cc62 100644
--- a/src/southbridge/intel/common/acpi/smbus.asl
+++ b/src/southbridge/intel/common/acpi/smbus.asl
@@ -5,218 +5,4 @@
Device (SBUS)
{
Name (_ADR, 0x001f0003)
-
-#ifdef ENABLE_SMBUS_METHODS
- OperationRegion (SMBP, PCI_Config, 0x00, 0x100)
- Field(SMBP, DWordAcc, NoLock, Preserve)
- {
- Offset(0x40),
- , 2,
- I2CE, 1
- }
-
- OperationRegion (SMBI, SystemIO, SMBUS_IO_BASE, 0x20)
- Field (SMBI, ByteAcc, NoLock, Preserve)
- {
- HSTS, 8, // Host Status
- , 8,
- HCNT, 8, // Host Control
- HCMD, 8, // Host Command
- TXSA, 8, // Transmit Slave Address
- DAT0, 8, // Host Data 0
- DAT1, 8, // Host Data 1
- HBDB, 8, // Host Block Data Byte
- PECK, 8, // Packet Error Check
- RXSA, 8, // Receive Slave Address
- RXDA, 16, // Receive Slave Data
- AUXS, 8, // Auxiliary Status
- AUXC, 8, // Auxiliary Control
- SLPC, 8, // SMLink Pin Control
- SBPC, 8, // SMBus Pin Control
- SSTS, 8, // Slave Status
- SCMD, 8, // Slave Command
- NADR, 8, // Notify Device Address
- NDLB, 8, // Notify Data Low Byte
- NDLH, 8, // Notify Data High Byte
- }
-
- // Kill all SMBus communication
- Method (KILL, 0, Serialized)
- {
- HCNT |= 0x02 // Send Kill
- HSTS |= 0xff // Clean Status
- }
-
- // Check if last operation completed
- // return Failure = 0, Success = 1
- Method (CMPL, 0, Serialized)
- {
- Local0 = 4000 // Timeout 200ms in 50us steps
- While (Local0) {
- If (HSTS & 0x02) { // Completion Status?
- Return (1) // Operation Completed
- } Else {
- Stall (50)
- Local0--
- If (Local0 == 0) {
- KILL()
- }
- }
- }
-
- Return (0) // Failure
- }
-
-
- // Wait for SMBus to become ready
- Method (SRDY, 0, Serialized)
- {
- Local0 = 200 // Timeout 200ms
- While (Local0) {
- If (HSTS & 0x40) { // IN_USE?
- Sleep(1) // Wait 1ms
- Local0-- // timeout--
- If (Local0 == 0) {
- Return (1)
- }
- } Else {
- Local0 = 0 // We're ready
- }
- }
-
- Local0 = 4000 // Timeout 200ms (50us * 4000)
- While (Local0) {
- If (HSTS & 0x01) { // Host Busy?
- Stall(50) // Wait 50us
- Local0-- // timeout--
- If (Local0 == 0) {
- KILL()
- }
- } Else {
- Return (0) // Success
- }
- }
-
- Return (1) // Failure
- }
-
- // SMBus Send Byte
- // Arg0: Address
- // Arg1: Data
- // Return: 1 = Success, 0=Failure
-
- Method (SSXB, 2, Serialized)
- {
-
- // Is the SMBus Controller Ready?
- If (SRDY()) {
- Return (0)
- }
-
- // Send Byte
- I2CE = 0 // SMBus Enable
- HSTS = 0xbf
- TXSA = Arg0 // Write Address
- HCMD = Arg1 // Write Data
-
- HCNT = 0x48 // Start + Byte Data Protocol
-
- If (CMPL()) {
- HSTS |= 0xff // Clean up
- Return (1) // Success
- }
-
- Return (0)
- }
-
-
- // SMBus Receive Byte
- // Arg0: Address
- // Return: 0xffff = Failure, Data (8bit) = Success
-
- Method (SRXB, 2, Serialized)
- {
-
- // Is the SMBus Controller Ready?
- If (SRDY()) {
- Return (0xffff)
- }
-
- // Receive Byte
- I2CE = 0 // SMBus Enable
- HSTS = 0xbf
- TXSA = Arg0 | 1 // Write Address
-
- HCNT = 0x44 // Start
-
- If (CMPL()) {
- HSTS |= 0xff // Clean up
- Return (DAT0) // Success
- }
-
- Return (0xffff)
- }
-
-
- // SMBus Write Byte
- // Arg0: Address
- // Arg1: Command
- // Arg2: Data
- // Return: 1 = Success, 0=Failure
-
- Method (SWRB, 3, Serialized)
- {
-
- // Is the SMBus Controller Ready?
- If (SRDY()) {
- Return (0)
- }
-
- // Send Byte
- I2CE = 0 // SMBus Enable
- HSTS = 0xbf
- TXSA = Arg0 // Write Address
- HCMD = Arg1 // Write Command
- DAT0 = Arg2 // Write Data
-
- HCNT = 0x48 // Start + Byte Protocol
-
- If (CMPL()) {
- HSTS |= 0xff // Clean up
- Return (1) // Success
- }
-
- Return (0)
- }
-
-
- // SMBus Read Byte
- // Arg0: Address
- // Arg1: Command
- // Return: 0xffff = Failure, Data (8bit) = Success
-
- Method (SRDB, 2, Serialized)
- {
-
- // Is the SMBus Controller Ready?
- If (SRDY()) {
- Return (0xffff)
- }
-
- // Receive Byte
- I2CE = 0 // SMBus Enable
- HSTS = 0xbf
- TXSA = Arg0 | 1 // Write Address
- HCMD = Arg1 // Command
-
- HCNT = 0x48 // Start
-
- If (CMPL()) {
- HSTS |= 0xff // Clean up
- Return (DAT0) // Success
- }
-
- Return (0xffff)
- }
-#endif
}