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85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
// Definitions for X86 IO port access.
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//
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// Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net>
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//
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// This file may be distributed under the terms of the GNU LGPLv3 license.
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//
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// This file copied (somewhat) intact from SeaBIOS.
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#ifndef IOPORT_H
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#define IOPORT_H
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#define PORT_DMA_ADDR_2 0x0004
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#define PORT_DMA_CNT_2 0x0005
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#define PORT_DMA1_MASK_REG 0x000a
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#define PORT_DMA1_MODE_REG 0x000b
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#define PORT_DMA1_CLEAR_FF_REG 0x000c
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#define PORT_DMA1_MASTER_CLEAR 0x000d
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#define PORT_PIC1_CMD 0x0020
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#define PORT_PIC1_DATA 0x0021
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#define PORT_PIT_COUNTER0 0x0040
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#define PORT_PIT_COUNTER1 0x0041
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#define PORT_PIT_COUNTER2 0x0042
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#define PORT_PIT_MODE 0x0043
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#define PORT_PS2_DATA 0x0060
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#define PORT_PS2_CTRLB 0x0061
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#define PORT_PS2_STATUS 0x0064
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#define PORT_CMOS_INDEX 0x0070
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#define PORT_CMOS_DATA 0x0071
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#define PORT_DIAG 0x0080
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#define PORT_DMA_PAGE_2 0x0081
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#define PORT_A20 0x0092
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#define PORT_PIC2_CMD 0x00a0
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#define PORT_PIC2_DATA 0x00a1
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#define PORT_SMI_CMD 0x00b2
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#define PORT_SMI_STATUS 0x00b3
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#define PORT_DMA2_MASK_REG 0x00d4
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#define PORT_DMA2_MODE_REG 0x00d6
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#define PORT_DMA2_MASTER_CLEAR 0x00da
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#define PORT_MATH_CLEAR 0x00f0
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#define PORT_ATA2_CMD_BASE 0x0170
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#define PORT_ATA1_CMD_BASE 0x01f0
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#define PORT_LPT2 0x0278
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#define PORT_SERIAL4 0x02e8
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#define PORT_SERIAL2 0x02f8
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#define PORT_ATA2_CTRL_BASE 0x0374
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#define PORT_LPT1 0x0378
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#define PORT_SERIAL3 0x03e8
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#define PORT_ATA1_CTRL_BASE 0x03f4
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#define PORT_FD_BASE 0x03f0
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#define PORT_FD_DOR 0x03f2
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#define PORT_FD_STATUS 0x03f4
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#define PORT_FD_DATA 0x03f5
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#define PORT_HD_DATA 0x03f6
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#define PORT_FD_DIR 0x03f7
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#define PORT_SERIAL1 0x03f8
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#define PORT_PIC1_ELCR 0x04d0
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#define PORT_PIC2_ELCR 0x04d1
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#define PORT_PCI_CMD 0x0cf8
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#define PORT_PCI_REBOOT 0x0cf9
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#define PORT_PCI_DATA 0x0cfc
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#define PORT_BIOS_DEBUG 0x0402
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#define PORT_QEMU_CFG_CTL 0x0510
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#define PORT_QEMU_CFG_DATA 0x0511
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#define PORT_ACPI_PM_BASE 0xb000
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#define PORT_SMB_BASE 0xb100
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#define PORT_BIOS_APM 0x8900
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// Serial port offsets
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#define SEROFF_DATA 0
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#define SEROFF_DLL 0
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#define SEROFF_IER 1
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#define SEROFF_DLH 1
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#define SEROFF_IIR 2
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#define SEROFF_LCR 3
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#define SEROFF_LSR 5
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#define SEROFF_MSR 6
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// PORT_A20 bitdefs
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#define A20_ENABLE_BIT 0x02
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// PORT_CMOS_INDEX nmi disable bit
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#define NMI_DISABLE_BIT 0x80
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#endif // ioport.h
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