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/*
* Copyright (c) 2006-2008 Advanced Micro Devices,Inc. ("AMD").
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This code 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*/
// Real Time Clock (RTC) definitions
#define CMOS_INDEX 0x70
#define CMOS_DATA CMOS_INDEX+1
#define CMOS_SECONDS 0x00
#define CMOS_MINUTES 0x02
#define CMOS_HOURS 0x04
#define CMOS_DAY 0x07
#define CMOS_MONTH 0x08
#define CMOS_YEAR 0x09
#define CMOS_STATUS_A 0x0A
#define UIP 0x80
#define CMOS_STATUS_B 0x0B
#define SET 0x80
#define PI 0x40
#define AI 0x20
#define UI 0x10
#define SQUARE 0x08
#define DM 0x04
#define HOUR24 0x02
#define DLS 0x01
#define CMOS_STATUS_C 0x0C
#define IRQ 0x80
#define PS 0x40
#define AS 0x20
#define US 0x10
#define CMOS_CENTURY 0x32
// Programmable Interrupt Controller (PIC) definitions
#define PIC1_BASE 0x20
#define PIC1_MASK PIC1_BASE+1
#define PIC2_BASE 0xA0
#define PIC2_MASK PIC2_BASE+1
#define NONSPECIFIC_EOI 0x20
#define SPECIFIC_EOI 0x60
#define PIC1_EDGE 0x4D0
#define PIC2_EDGE 0x4D1
#define PIC1_ICW1 0x20
#define PIC1_ICW2 0x21
#define PIC1_ICW3 0x21
#define PIC1_ICW4 0x21
#define PIC1_OCW1 0x21
#define PIC1_OCW2 0x20
#define PIC1_OCW3 0x20
#define PIC2_ICW1 0xA0
#define PIC2_ICW2 0xA1
#define PIC2_ICW3 0xA1
#define PIC2_ICW4 0xA1
#define PIC2_OCW1 0xA1
#define PIC2_OCW2 0xA0
#define PIC2_OCW3 0xA0
// DMA definitions
#define TRANSFER_MASK (0x0C)
#define DMA_VERIFY (0x00)
#define DMA_WRITE (0x04)
#define DMA_READ (0x08)
#define MODE_MASK (0xC0)
#define MODE_DEMAND (0x00)
#define MODE_SINGLE (0x40)
#define MODE_BLOCK (0x80)
#define MODE_CASCADE (0xC0)
#define DMA1_ADDR0 0x00
#define DMA1_CNT0 0x01
#define DMA1_ADDR1 0x02
#define DMA1_CNT1 0x03
#define DMA1_ADDR2 0x04
#define DMA1_CNT2 0x05
#define DMA1_ADDR3 0x06
#define DMA1_CNT3 0x07
#define DMA1_MODE 0x0B
#define DMA1_CPTR 0x0C
#define DMA1_MASK 0x0F
#define DMA2_ADDR0 0xC0
#define DMA2_CNT0 0xC2
#define DMA2_ADDR1 0xC4
#define DMA2_CNT1 0xC6
#define DMA2_ADDR2 0xC8
#define DMA2_CNT2 0xCA
#define DMA2_ADDR3 0xCC
#define DMA2_CNT3 0xCE
#define DMA2_MODE 0xD6
#define DMA2_CPTR 0xD8
#define DMA2_MASK 0xDE
#define DMA_PAGE 0x80
#define DMA_HPAGE 0x480
// Programmable Interval Timer (PIT) definitions
#define PIT_CTR0 0x40
#define PIT_CTR1 0x41
#define PIT_CTR2 0x42
#define PIT_CMD 0x43
#define PIT_CMD_BOTH_BYTES 0x30 // Sets CMD word to read/write both bytes
#define READ_IRR 0x0A
#define READ_ISR 0x0B
// Keyboard controller registers
#define KYBD_DATA 0x60
#define KYBD_STATUS 0x64
#define STAT_OBF 0x01
#define STAT_IBF 0x02
#define STAT_FLAG 0x04
#define STAT_CMD 0x08
#define STAT_INHIBIT 0x10
#define STAT_AUX_OBF 0x20
#define STAT_TIMEOUT 0x40
#define STAT_PARITY 0x80
#define KYBD_COMMAND 0x64
// Keyboard controller output port bits
#define KYBD_SYSR 0x01 // Processor reset
#define KYBD_GA20 0x02 // Gate A20 (1=on)
#define KYBD_ADAT 0x04 // AUX data
#define KYBD_ACLK 0x08 // AUX clock
#define KYBD_KOBF 0x10 // Keyboard OBF
#define KYBD_AOBF 0x20 // AUX OBF
#define KYBD_KCLK 0x40 // Keyboard clock
#define KYBD_KDAT 0x80 // Keyboard data
// Keyboard controller commands
#define KYBD_RD_OUT 0xD0
#define KYBD_WR_OUT 0xD1
// Keyboard controller command byte
#define OBF_INTERRUPT 0x01
#define AUX_INTERRUPT 0x02
#define SYSTEM_STATUS 0x04
#define KBD_DISABLED 0x10
#define AUX_DISABLED 0x20
#define XT_SCANSET 0x40
#define PORT_B 0x92
#define GAMEPORT 0x200
#define PRIMARY_IDE 0x1F6
#define SECONDARY_IDE 0x176
#define PRIMARY_FLOPPY 0x3F5
#define SECONDARY_FLOPPY 0x375
#define COM1 0x3F8
#define COM2 0x2F8
#define COM3 0x3E8
#define COM4 0x2E8
#define LPT1 0x378
#define LPT2 0x278
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