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src/**/acpi/smbus.asl: Drop dead code 

The `ENABLE_SMBUS_METHODS` symbol is not defined anywhere, so this code
isn't even being tested. So, throw it into the bitbucket before it rots
any further. If anyone needs that code ever again, it's in git history.

Change-Id: I22e3f1ad54e81f811c9660d54f3765f3c6b83f01
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43024
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Angel Pons 2020-07-03 00:10:30 +02:00
parent f446b81f8f
commit 6ab28b465a
4 changed files with 0 additions and 856 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

214
src/soc/intel/broadwell/acpi/smbus.asl
View File

@ -5,218 +5,4 @@
Device (SBUS) Device (SBUS)
{ {
Name (_ADR, 0x001f0003) 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)
{
Or (HCNT, 0x02, HCNT) // Send Kill
Or (HSTS, 0xff, HSTS) // Clean Status
}
// Check if last operation completed
// return Failure = 0, Success = 1
Method (CMPL, 0, Serialized)
{
Store (4000, Local0) // Timeout 200ms in 50us steps
While (Local0) {
If (And(HSTS, 0x02)) { // Completion Status?
Return (1) // Operation Completed
} Else {
Stall (50)
Decrement (Local0)
If (LEqual(Local0, 0)) {
KILL()
}
}
}
Return (0) // Failure
}
// Wait for SMBus to become ready
Method (SRDY, 0, Serialized)
{
Store (200, Local0) // Timeout 200ms
While (Local0) {
If (And(HSTS, 0x40)) { // IN_USE?
Sleep(1) // Wait 1ms
Decrement(Local0) // timeout--
If (LEqual(Local0, 0)) {
Return (1)
}
} Else {
Store (0, Local0) // We're ready
}
}
Store (4000, Local0) // Timeout 200ms (50us * 4000)
While (Local0) {
If (And (HSTS, 0x01)) { // Host Busy?
Stall(50) // Wait 50us
Decrement(Local0) // timeout--
If (LEqual(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
Store (0, I2CE) // SMBus Enable
Store (0xbf, HSTS)
Store (Arg0, TXSA) // Write Address
Store (Arg1, HCMD) // Write Data
Store (0x48, HCNT) // Start + Byte Data Protocol
If (CMPL()) {
Or (HSTS, 0xff, HSTS) // 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
Store (0, I2CE) // SMBus Enable
Store (0xbf, HSTS)
Store (Or (Arg0, 1), TXSA) // Write Address
Store (0x44, HCNT) // Start
If (CMPL()) {
Or (HSTS, 0xff, HSTS) // 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
Store (0, I2CE) // SMBus Enable
Store (0xbf, HSTS)
Store (Arg0, TXSA) // Write Address
Store (Arg1, HCMD) // Write Command
Store (Arg2, DAT0) // Write Data
Store (0x48, HCNT) // Start + Byte Protocol
If (CMPL()) {
Or (HSTS, 0xff, HSTS) // 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
Store (0, I2CE) // SMBus Enable
Store (0xbf, HSTS)
Store (Or (Arg0, 1), TXSA) // Write Address
Store (Arg1, HCMD) // Command
Store (0x48, HCNT) // Start
If (CMPL()) {
Or (HSTS, 0xff, HSTS) // Clean up
Return (DAT0) // Success
}
Return (0xffff)
}
#endif
} }

214
src/soc/intel/denverton_ns/acpi/smbus.asl
View File

@ -5,218 +5,4 @@
Device (SBUS) Device (SBUS)
{ {
Name (_ADR, 0x001f0004) Name (_ADR, 0x001f0004)
#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)
{
Or (HCNT, 0x02, HCNT) // Send Kill
Or (HSTS, 0xff, HSTS) // Clean Status
}
// Check if last operation completed
// return Failure = 0, Success = 1
Method (CMPL, 0, Serialized)
{
Store (4000, Local0) // Timeout 200ms in 50us steps
While (Local0) {
If (And(HSTS, 0x02)) { // Completion Status?
Return (1) // Operation Completed
} Else {
Stall (50)
Decrement (Local0)
If (LEqual(Local0, 0)) {
KILL()
}
}
}
Return (0) // Failure
}
// Wait for SMBus to become ready
Method (SRDY, 0, Serialized)
{
Store (200, Local0) // Timeout 200ms
While (Local0) {
If (And(HSTS, 0x40)) { // IN_USE?
Sleep(1) // Wait 1ms
Decrement(Local0) // timeout--
If (LEqual(Local0, 0)) {
Return (1)
}
} Else {
Store (0, Local0) // We're ready
}
}
Store (4000, Local0) // Timeout 200ms (50us * 4000)
While (Local0) {
If (And (HSTS, 0x01)) { // Host Busy?
Stall(50) // Wait 50us
Decrement(Local0) // timeout--
If (LEqual(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
Store (0, I2CE) // SMBus Enable
Store (0xbf, HSTS)
Store (Arg0, TXSA) // Write Address
Store (Arg1, HCMD) // Write Data
Store (0x48, HCNT) // Start + Byte Data Protocol
If (CMPL()) {
Or (HSTS, 0xff, HSTS) // 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
Store (0, I2CE) // SMBus Enable
Store (0xbf, HSTS)
Store (Or (Arg0, 1), TXSA) // Write Address
Store (0x44, HCNT) // Start
If (CMPL()) {
Or (HSTS, 0xff, HSTS) // 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
Store (0, I2CE) // SMBus Enable
Store (0xbf, HSTS)
Store (Arg0, TXSA) // Write Address
Store (Arg1, HCMD) // Write Command
Store (Arg2, DAT0) // Write Data
Store (0x48, HCNT) // Start + Byte Protocol
If (CMPL()) {
Or (HSTS, 0xff, HSTS) // 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
Store (0, I2CE) // SMBus Enable
Store (0xbf, HSTS)
Store (Or (Arg0, 1), TXSA) // Write Address
Store (Arg1, HCMD) // Command
Store (0x48, HCNT) // Start
If (CMPL()) {
Or (HSTS, 0xff, HSTS) // Clean up
Return (DAT0) // Success
}
Return (0xffff)
}
#endif
} }

214
src/soc/intel/skylake/acpi/smbus.asl
View File

@ -5,218 +5,4 @@
Device (SBUS) Device (SBUS)
{ {
Name (_ADR, 0x001f0004) Name (_ADR, 0x001f0004)
#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)
{
Or (HCNT, 0x02, HCNT) // Send Kill
Or (HSTS, 0xff, HSTS) // Clean Status
}
// Check if last operation completed
// return Failure = 0, Success = 1
Method (CMPL, 0, Serialized)
{
Store (4000, Local0) // Timeout 200ms in 50us steps
While (Local0) {
If (And(HSTS, 0x02)) { // Completion Status?
Return (1) // Operation Completed
} Else {
Stall (50)
Decrement (Local0)
If (LEqual(Local0, 0)) {
KILL()
}
}
}
Return (0) // Failure
}
// Wait for SMBus to become ready
Method (SRDY, 0, Serialized)
{
Store (200, Local0) // Timeout 200ms
While (Local0) {
If (And(HSTS, 0x40)) { // IN_USE?
Sleep(1) // Wait 1ms
Decrement(Local0) // timeout--
If (LEqual(Local0, 0)) {
Return (1)
}
} Else {
Store (0, Local0) // We're ready
}
}
Store (4000, Local0) // Timeout 200ms (50us * 4000)
While (Local0) {
If (And (HSTS, 0x01)) { // Host Busy?
Stall(50) // Wait 50us
Decrement(Local0) // timeout--
If (LEqual(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
Store (0, I2CE) // SMBus Enable
Store (0xbf, HSTS)
Store (Arg0, TXSA) // Write Address
Store (Arg1, HCMD) // Write Data
Store (0x48, HCNT) // Start + Byte Data Protocol
If (CMPL()) {
Or (HSTS, 0xff, HSTS) // 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
Store (0, I2CE) // SMBus Enable
Store (0xbf, HSTS)
Store (Or (Arg0, 1), TXSA) // Write Address
Store (0x44, HCNT) // Start
If (CMPL()) {
Or (HSTS, 0xff, HSTS) // 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
Store (0, I2CE) // SMBus Enable
Store (0xbf, HSTS)
Store (Arg0, TXSA) // Write Address
Store (Arg1, HCMD) // Write Command
Store (Arg2, DAT0) // Write Data
Store (0x48, HCNT) // Start + Byte Protocol
If (CMPL()) {
Or (HSTS, 0xff, HSTS) // 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
Store (0, I2CE) // SMBus Enable
Store (0xbf, HSTS)
Store (Or (Arg0, 1), TXSA) // Write Address
Store (Arg1, HCMD) // Command
Store (0x48, HCNT) // Start
If (CMPL()) {
Or (HSTS, 0xff, HSTS) // Clean up
Return (DAT0) // Success
}
Return (0xffff)
}
#endif
} }

214
src/southbridge/intel/common/acpi/smbus.asl
View File

@ -5,218 +5,4 @@
Device (SBUS) Device (SBUS)
{ {
Name (_ADR, 0x001f0003) 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
} }