This adds several generic ASL libraries that can be included by other ASL files, which are:
- debug.asl: for debug output using POST I/O port and legacy serial port - globutil.asl: for string compare routines - statdef.asl: for _STA status values
Signed-off-by: Bin Meng bmeng.cn@gmail.com Reviewed-by: Stefan Roese sr@denx.de Tested-by: Stefan Roese sr@denx.de ---
Changes in v2: None
arch/x86/include/asm/acpi/debug.asl | 136 +++++++++++++++++++++++++++++++++ arch/x86/include/asm/acpi/globutil.asl | 113 +++++++++++++++++++++++++++ arch/x86/include/asm/acpi/statdef.asl | 82 ++++++++++++++++++++ 3 files changed, 331 insertions(+) create mode 100644 arch/x86/include/asm/acpi/debug.asl create mode 100644 arch/x86/include/asm/acpi/globutil.asl create mode 100644 arch/x86/include/asm/acpi/statdef.asl
diff --git a/arch/x86/include/asm/acpi/debug.asl b/arch/x86/include/asm/acpi/debug.asl new file mode 100644 index 0000000..8e7b603 --- /dev/null +++ b/arch/x86/include/asm/acpi/debug.asl @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * Copyright (C) 2016 Bin Meng bmeng.cn@gmail.com + * + * Modified from coreboot src/arch/x86/acpi/debug.asl + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* POST register region */ +OperationRegion(X80, SystemIO, 0x80, 1) +Field(X80, ByteAcc, NoLock, Preserve) +{ + P80, 8 +} + +/* Legacy serial port register region */ +OperationRegion(CREG, SystemIO, 0x3F8, 8) +Field(CREG, ByteAcc, NoLock, Preserve) +{ + CDAT, 8, + CDLM, 8, + , 8, + CLCR, 8, + CMCR, 8, + CLSR, 8 +} + +/* DINI - Initialize the serial port to 115200 8-N-1 */ +Method(DINI) +{ + Store(0x83, CLCR) + Store(0x01, CDAT) /* 115200 baud (low) */ + Store(0x00, CDLM) /* 115200 baud (high) */ + Store(0x03, CLCR) /* word=8 stop=1 parity=none */ + Store(0x03, CMCR) /* DTR=1 RTS=1 out1/2=Off loop=Off */ + Store(0x00, CDLM) /* turn off interrupts */ +} + +/* THRE - Wait for serial port transmitter holding register to go empty */ +Method(THRE) +{ + And(CLSR, 0x20, Local0) + While (LEqual(Local0, Zero)) { + And(CLSR, 0x20, Local0) + } +} + +/* OUTX - Send a single raw character */ +Method(OUTX, 1) +{ + THRE() + Store(Arg0, CDAT) +} + +/* OUTC - Send a single character, expanding LF into CR/LF */ +Method(OUTC, 1) +{ + If (LEqual(Arg0, 0x0a)) { + OUTX(0x0d) + } + OUTX(Arg0) +} + +/* DBGN - Send a single hex nibble */ +Method(DBGN, 1) +{ + And(Arg0, 0x0f, Local0) + If (LLess(Local0, 10)) { + Add(Local0, 0x30, Local0) + } Else { + Add(Local0, 0x37, Local0) + } + OUTC(Local0) +} + +/* DBGB - Send a hex byte */ +Method(DBGB, 1) +{ + ShiftRight(Arg0, 4, Local0) + DBGN(Local0) + DBGN(Arg0) +} + +/* DBGW - Send a hex word */ +Method(DBGW, 1) +{ + ShiftRight(Arg0, 8, Local0) + DBGB(Local0) + DBGB(Arg0) +} + +/* DBGD - Send a hex dword */ +Method(DBGD, 1) +{ + ShiftRight(Arg0, 16, Local0) + DBGW(Local0) + DBGW(Arg0) +} + +/* Get a char from a string */ +Method(GETC, 2) +{ + CreateByteField(Arg0, Arg1, DBGC) + Return (DBGC) +} + +/* DBGO - Send either a string or an integer */ +Method(DBGO, 1, Serialized) +{ + If (LEqual(ObjectType(Arg0), 1)) { + If (LGreater(Arg0, 0xffff)) { + DBGD(Arg0) + } Else { + If (LGreater(Arg0, 0xff)) { + DBGW(Arg0) + } Else { + DBGB(Arg0) + } + } + } Else { + Name(BDBG, Buffer(80) {}) + Store(Arg0, BDBG) + Store(0, Local1) + While (One) { + Store(GETC(BDBG, Local1), Local0) + If (LEqual(Local0, 0)) { + Return (Zero) + } + OUTC(Local0) + Increment(Local1) + } + } + + Return (Zero) +} diff --git a/arch/x86/include/asm/acpi/globutil.asl b/arch/x86/include/asm/acpi/globutil.asl new file mode 100644 index 0000000..46381b6 --- /dev/null +++ b/arch/x86/include/asm/acpi/globutil.asl @@ -0,0 +1,113 @@ +/* + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * Copyright (C) 2016 Bin Meng bmeng.cn@gmail.com + * + * Modified from coreboot src/arch/x86/acpi/globutil.asl + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +Method(MIN, 2) +{ + If (LLess(Arg0, Arg1)) { + Return (Arg0) + } Else { + Return (Arg1) + } +} + +Method(SLEN, 1) +{ + Store(Arg0, Local0) + Return (Sizeof(Local0)) +} + +Method(S2BF, 1, Serialized) +{ + Add(SLEN(Arg0), One, Local0) + Name(BUFF, Buffer(Local0) {}) + Store(Arg0, BUFF) + Return (BUFF) +} + +/* + * SCMP - Strong string compare + * + * Checks both length and content + */ +Method(SCMP, 2) +{ + Store(S2BF(Arg0), Local0) + Store(S2BF(Arg1), Local1) + Store(Zero, Local4) + Store(SLEN(Arg0), Local5) + Store(SLEN(Arg1), Local6) + Store(MIN(Local5, Local6), Local7) + + While (LLess(Local4, Local7)) { + Store(Derefof(Index(Local0, Local4)), Local2) + Store(Derefof(Index(Local1, Local4)), Local3) + If (LGreater(Local2, Local3)) { + Return (One) + } Else { + If (LLess(Local2, Local3)) { + Return (Ones) + } + } + Increment(Local4) + } + + If (LLess(Local4, Local5)) { + Return (One) + } Else { + If (LLess(Local4, Local6)) { + Return (Ones) + } Else { + Return (Zero) + } + } +} + +/* + * WCMP - Weak string compare + * + * Checks to find Arg1 at beginning of Arg0. + * Fails if length(Arg0) < length(Arg1). + * Returns 0 on fail, 1 on pass. + */ +Method(WCMP, 2) +{ + Store(S2BF(Arg0), Local0) + Store(S2BF(Arg1), Local1) + If (LLess(SLEN(Arg0), SLEN(Arg1))) { + Return (Zero) + } + Store(Zero, Local2) + Store(SLEN(Arg1), Local3) + + While (LLess(Local2, Local3)) { + If (LNotEqual(Derefof(Index(Local0, Local2)), + Derefof(Index(Local1, Local2)))) { + Return (Zero) + } + Increment(Local2) + } + + Return (One) +} + +/* + * I2BM - Returns Bit Map + * + * Arg0 = IRQ Number (0-15) + */ +Method(I2BM, 1) +{ + Store(0, Local0) + If (LNotEqual(Arg0, 0)) { + Store(1, Local1) + ShiftLeft(Local1, Arg0, Local0) + } + + Return (Local0) +} diff --git a/arch/x86/include/asm/acpi/statdef.asl b/arch/x86/include/asm/acpi/statdef.asl new file mode 100644 index 0000000..e8cff10 --- /dev/null +++ b/arch/x86/include/asm/acpi/statdef.asl @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * Copyright (C) 2016 Bin Meng bmeng.cn@gmail.com + * + * Modified from coreboot src/arch/x86/acpi/statdef.asl + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* Status and notification definitions */ + +#define STA_MISSING 0x00 +#define STA_PRESENT 0x01 +#define STA_ENABLED 0x03 +#define STA_DISABLED 0x09 +#define STA_INVISIBLE 0x0b +#define STA_UNAVAILABLE 0x0d +#define STA_VISIBLE 0x0f + +/* SMBus status codes */ +#define SMB_OK 0x00 +#define SMB_UNKNOWN_FAIL 0x07 +#define SMB_DEV_ADDR_NAK 0x10 +#define SMB_DEVICE_ERROR 0x11 +#define SMB_DEV_CMD_DENIED 0x12 +#define SMB_UNKNOWN_ERR 0x13 +#define SMB_DEV_ACC_DENIED 0x17 +#define SMB_TIMEOUT 0x18 +#define SMB_HST_UNSUPP_PROTOCOL 0x19 +#define SMB_BUSY 0x1a +#define SMB_PKT_CHK_ERROR 0x1f + +/* Device Object Notification Values */ +#define NOTIFY_BUS_CHECK 0x00 +#define NOTIFY_DEVICE_CHECK 0x01 +#define NOTIFY_DEVICE_WAKE 0x02 +#define NOTIFY_EJECT_REQUEST 0x03 +#define NOTIFY_DEVICE_CHECK_JR 0x04 +#define NOTIFY_FREQUENCY_ERROR 0x05 +#define NOTIFY_BUS_MODE 0x06 +#define NOTIFY_POWER_FAULT 0x07 +#define NOTIFY_CAPABILITIES 0x08 +#define NOTIFY_PLD_CHECK 0x09 +#define NOTIFY_SLIT_UPDATE 0x0b +#define NOTIFY_SRA_UPDATE 0x0d + +/* Battery Device Notification Values */ +#define NOTIFY_BAT_STATUSCHG 0x80 +#define NOTIFY_BAT_INFOCHG 0x81 +#define NOTIFY_BAT_MAINTDATA 0x82 + +/* Power Source Object Notification Values */ +#define NOTIFY_PWR_STATUSCHG 0x80 +#define NOTIFY_PWR_INFOCHG 0x81 + +/* Thermal Zone Object Notification Values */ +#define NOTIFY_TZ_STATUSCHG 0x80 +#define NOTIFY_TZ_TRIPPTCHG 0x81 +#define NOTIFY_TZ_DEVLISTCHG 0x82 +#define NOTIFY_TZ_RELTBLCHG 0x83 + +/* Power Button Notification Values */ +#define NOTIFY_POWER_BUTTON 0x80 + +/* Sleep Button Notification Values */ +#define NOTIFY_SLEEP_BUTTON 0x80 + +/* Lid Notification Values */ +#define NOTIFY_LID_STATUSCHG 0x80 + +/* Processor Device Notification Values */ +#define NOTIFY_CPU_PPCCHG 0x80 +#define NOTIFY_CPU_CSTATECHG 0x81 +#define NOTIFY_CPU_THROTLCHG 0x82 + +/* User Presence Device Notification Values */ +#define NOTIFY_USR_PRESNCECHG 0x80 + +/* Ambient Light Sensor Notification Values */ +#define NOTIFY_ALS_ILLUMCHG 0x80 +#define NOTIFY_ALS_COLORTMPCHG 0x81 +#define NOTIFY_ALS_RESPCHG 0x82