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49 lines
1.6 KiB
49 lines
1.6 KiB
17 years ago
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/*
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* via686b.h: VIA 686B southbridge
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*
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* Copyright (c) 2006, Lemote Ltd. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GPL License Agreement.
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*
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* You may not, however, modify or remove any part of this copyright
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* message if this program is redistributed or reused in whole or in
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* part.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GPL License for more details.
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*/
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/*** CONFIG REGISTERS AND VALUES */
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#define SMBUS_IO_BASE_ADDR 0x90
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#define SMBUS_IO_BASE_VALUE 0xeee1
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#define SMBUS_HOST_CONFIG_ADDR 0xd2
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#define SMBUS_HOST_CONFIG_ENABLE_BIT 0x1
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#define SMBUS_HOST_SLAVE_COMMAND 0xd3
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/*** SMBUS IO REGISTERS AND VALUES */
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#define SMBUS_HOST_STATUS ((SMBUS_IO_BASE_VALUE & 0xfff0) + 0x0)
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#define SMBUS_HOST_STATUS_BUSY 0x1
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#define SMBUS_HOST_STATUS_INT 0x2
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#define SMBUS_HOST_STATUS_DEVERR 0x4
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#define SMBUS_HOST_STATUS_COLLISION 0x8
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#define SMBUS_HOST_STATUS_FAIL 0x10
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#define SMBUS_HOST_CONTROL ((SMBUS_IO_BASE_VALUE & 0xfff0) + 0x2)
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#define SMBUS_HOST_CONTROL_START 0x40
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#define SMBUS_HOST_CONTROL_KILL 0x2
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#define SMBUS_HOST_CONTROL_INTEN 0x1
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#define SMBUS_HOST_COMMAND ((SMBUS_IO_BASE_VALUE & 0xfff0) + 0x3)
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#define SMBUS_HOST_ADDRESS ((SMBUS_IO_BASE_VALUE & 0xfff0) + 0x4)
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#define SMBUS_HOST_ADDRESS_READOP 0x1
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#define SMBUS_HOST_ADDRESS_WRITEOP 0x0
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#define SMBUS_HOST_DATA0 ((SMBUS_IO_BASE_VALUE & 0xfff0) + 0x5)
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#define SMBUS_HOST_DATA1 ((SMBUS_IO_BASE_VALUE & 0xfff0) + 0x6)
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