ioport.h

   1 // Definitions for X86 IO port access.
   2 //
   3 // Copyright (C) 2008  Kevin O'Connor <kevin@koconnor.net>
   4 //
   5 // This file may be distributed under the terms of the GNU LGPLv3 license.
   6 //
   7 // This file copied (somewhat) intact from SeaBIOS.
   8
   9 #ifndef IOPORT_H
  10 #define IOPORT_H
  11
  12 #define PORT_DMA_ADDR_2        0x0004
  13 #define PORT_DMA_CNT_2         0x0005
  14 #define PORT_DMA1_MASK_REG     0x000a
  15 #define PORT_DMA1_MODE_REG     0x000b
  16 #define PORT_DMA1_CLEAR_FF_REG 0x000c
  17 #define PORT_DMA1_MASTER_CLEAR 0x000d
  18 #define PORT_PIC1_CMD          0x0020
  19 #define PORT_PIC1_DATA         0x0021
  20 #define PORT_PIT_COUNTER0      0x0040
  21 #define PORT_PIT_COUNTER1      0x0041
  22 #define PORT_PIT_COUNTER2      0x0042
  23 #define PORT_PIT_MODE          0x0043
  24 #define PORT_PS2_DATA          0x0060
  25 #define PORT_PS2_CTRLB         0x0061
  26 #define PORT_PS2_STATUS        0x0064
  27 #define PORT_CMOS_INDEX        0x0070
  28 #define PORT_CMOS_DATA         0x0071
  29 #define PORT_DIAG              0x0080
  30 #define PORT_DMA_PAGE_2        0x0081
  31 #define PORT_A20               0x0092
  32 #define PORT_PIC2_CMD          0x00a0
  33 #define PORT_PIC2_DATA         0x00a1
  34 #define PORT_SMI_CMD           0x00b2
  35 #define PORT_SMI_STATUS        0x00b3
  36 #define PORT_DMA2_MASK_REG     0x00d4
  37 #define PORT_DMA2_MODE_REG     0x00d6
  38 #define PORT_DMA2_MASTER_CLEAR 0x00da
  39 #define PORT_MATH_CLEAR        0x00f0
  40 #define PORT_ATA2_CMD_BASE     0x0170
  41 #define PORT_ATA1_CMD_BASE     0x01f0
  42 #define PORT_LPT2              0x0278
  43 #define PORT_SERIAL4           0x02e8
  44 #define PORT_SERIAL2           0x02f8
  45 #define PORT_ATA2_CTRL_BASE    0x0374
  46 #define PORT_LPT1              0x0378
  47 #define PORT_SERIAL3           0x03e8
  48 #define PORT_ATA1_CTRL_BASE    0x03f4
  49 #define PORT_FD_BASE           0x03f0
  50 #define PORT_FD_DOR            0x03f2
  51 #define PORT_FD_STATUS         0x03f4
  52 #define PORT_FD_DATA           0x03f5
  53 #define PORT_HD_DATA           0x03f6
  54 #define PORT_FD_DIR            0x03f7
  55 #define PORT_SERIAL1           0x03f8
  56 #define PORT_PIC1_ELCR         0x04d0
  57 #define PORT_PIC2_ELCR         0x04d1
  58 #define PORT_PCI_CMD           0x0cf8
  59 #define PORT_PCI_REBOOT        0x0cf9
  60 #define PORT_PCI_DATA          0x0cfc
  61 #define PORT_BIOS_DEBUG        0x0402
  62 #define PORT_QEMU_CFG_CTL      0x0510
  63 #define PORT_QEMU_CFG_DATA     0x0511
  64 #define PORT_ACPI_PM_BASE      0xb000
  65 #define PORT_SMB_BASE          0xb100
  66 #define PORT_BIOS_APM          0x8900
  67
  68 // Serial port offsets
  69 #define SEROFF_DATA    0
  70 #define SEROFF_DLL     0
  71 #define SEROFF_IER     1
  72 #define SEROFF_DLH     1
  73 #define SEROFF_IIR     2
  74 #define SEROFF_LCR     3
  75 #define SEROFF_LSR     5
  76 #define SEROFF_MSR     6
  77
  78 // PORT_A20 bitdefs
  79 #define A20_ENABLE_BIT 0x02
  80
  81 // PORT_CMOS_INDEX nmi disable bit
  82 #define NMI_DISABLE_BIT 0x80
  83
  84 #endif // ioport.h