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| -rw-r--r-- | src/mainboard/asrock/e350m1/acpi/smbus.asl | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/src/mainboard/asrock/e350m1/acpi/smbus.asl b/src/mainboard/asrock/e350m1/acpi/smbus.asl deleted file mode 100644 index 346d7d7bec..0000000000 --- a/src/mainboard/asrock/e350m1/acpi/smbus.asl +++ /dev/null @@ -1,113 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2011 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc. - */ - -/* SMBUS Support */ -Mutex (SBX0, 0x00) -OperationRegion (SMB0, SystemIO, 0xB00, 0x0C) - Field (SMB0, ByteAcc, NoLock, Preserve) { - HSTS, 8, /* SMBUS status */ - SSTS, 8, /* SMBUS slave status */ - HCNT, 8, /* SMBUS control */ - HCMD, 8, /* SMBUS host cmd */ - HADD, 8, /* SMBUS address */ - DAT0, 8, /* SMBUS data0 */ - DAT1, 8, /* SMBUS data1 */ - BLKD, 8, /* SMBUS block data */ - SCNT, 8, /* SMBUS slave control */ - SCMD, 8, /* SMBUS shadow cmd */ - SEVT, 8, /* SMBUS slave event */ - SDAT, 8 /* SMBUS slave data */ -} - -Method (WCLR, 0, NotSerialized) { /* clear SMBUS status register */ - Store (0x1E, HSTS) - Store (0xFA, Local0) - While (LAnd (LNotEqual (And (HSTS, 0x1E), Zero), LGreater (Local0, Zero))) { - Stall (0x64) - Decrement (Local0) - } - - Return (Local0) -} - -Method (SWTC, 1, NotSerialized) { - Store (Arg0, Local0) - Store (0x07, Local2) - Store (One, Local1) - While (LEqual (Local1, One)) { - Store (And (HSTS, 0x1E), Local3) - If (LNotEqual (Local3, Zero)) { /* read sucess */ - If (LEqual (Local3, 0x02)) { - Store (Zero, Local2) - } - - Store (Zero, Local1) - } - Else { - If (LLess (Local0, 0x0A)) { /* read failure */ - Store (0x10, Local2) - Store (Zero, Local1) - } - Else { - Sleep (0x0A) /* 10 ms, try again */ - Subtract (Local0, 0x0A, Local0) - } - } - } - - Return (Local2) -} - -Method (SMBR, 3, NotSerialized) { - Store (0x07, Local0) - If (LEqual (Acquire (SBX0, 0xFFFF), Zero)) { - Store (WCLR (), Local0) /* clear SMBUS status register before read data */ - If (LEqual (Local0, Zero)) { - Release (SBX0) - Return (0x0) - } - - Store (0x1F, HSTS) - Store (Or (ShiftLeft (Arg1, One), One), HADD) - Store (Arg2, HCMD) - If (LEqual (Arg0, 0x07)) { - Store (0x48, HCNT) /* read byte */ - } - - Store (SWTC (0x03E8), Local1) /* 1000 ms */ - If (LEqual (Local1, Zero)) { - If (LEqual (Arg0, 0x07)) { - Store (DAT0, Local0) - } - } - Else { - Store (Local1, Local0) - } - - Release (SBX0) - } - - /* DBGO("the value of SMBusData0 register ") */ - /* DBGO(Arg2) */ - /* DBGO(" is ") */ - /* DBGO(Local0) */ - /* DBGO("\n") */ - - Return (Local0) -} |