diff options
Diffstat (limited to 'ioport.h')
| -rw-r--r-- | ioport.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/ioport.h b/ioport.h new file mode 100644 index 0000000..0876c2a --- /dev/null +++ b/ioport.h @@ -0,0 +1,82 @@ +// Definitions for X86 IO port access. +// +// Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net> +// +// This file may be distributed under the terms of the GNU LGPLv3 license. +// +// This file copied (somewhat) intact from SeaBIOS. + +#ifndef IOPORT_H +#define IOPORT_H + +#define PORT_DMA_ADDR_2 0x0004 +#define PORT_DMA_CNT_2 0x0005 +#define PORT_DMA1_MASK_REG 0x000a +#define PORT_DMA1_MODE_REG 0x000b +#define PORT_DMA1_CLEAR_FF_REG 0x000c +#define PORT_DMA1_MASTER_CLEAR 0x000d +#define PORT_PIC1_CMD 0x0020 +#define PORT_PIC1_DATA 0x0021 +#define PORT_PIT_COUNTER0 0x0040 +#define PORT_PIT_COUNTER1 0x0041 +#define PORT_PIT_COUNTER2 0x0042 +#define PORT_PIT_MODE 0x0043 +#define PORT_PS2_DATA 0x0060 +#define PORT_PS2_CTRLB 0x0061 +#define PORT_PS2_STATUS 0x0064 +#define PORT_CMOS_INDEX 0x0070 +#define PORT_CMOS_DATA 0x0071 +#define PORT_DIAG 0x0080 +#define PORT_DMA_PAGE_2 0x0081 +#define PORT_A20 0x0092 +#define PORT_PIC2_CMD 0x00a0 +#define PORT_PIC2_DATA 0x00a1 +#define PORT_SMI_CMD 0x00b2 +#define PORT_SMI_STATUS 0x00b3 +#define PORT_DMA2_MASK_REG 0x00d4 +#define PORT_DMA2_MODE_REG 0x00d6 +#define PORT_DMA2_MASTER_CLEAR 0x00da +#define PORT_MATH_CLEAR 0x00f0 +#define PORT_ATA2_CMD_BASE 0x0170 +#define PORT_ATA1_CMD_BASE 0x01f0 +#define PORT_LPT2 0x0278 +#define PORT_SERIAL4 0x02e8 +#define PORT_SERIAL2 0x02f8 +#define PORT_ATA2_CTRL_BASE 0x0374 +#define PORT_LPT1 0x0378 +#define PORT_SERIAL3 0x03e8 +#define PORT_ATA1_CTRL_BASE 0x03f4 +#define PORT_FD_BASE 0x03f0 +#define PORT_FD_DOR 0x03f2 +#define PORT_FD_STATUS 0x03f4 +#define PORT_FD_DATA 0x03f5 +#define PORT_HD_DATA 0x03f6 +#define PORT_FD_DIR 0x03f7 +#define PORT_SERIAL1 0x03f8 +#define PORT_PCI_CMD 0x0cf8 +#define PORT_PCI_REBOOT 0x0cf9 +#define PORT_PCI_DATA 0x0cfc +#define PORT_BIOS_DEBUG 0x0402 +#define PORT_QEMU_CFG_CTL 0x0510 +#define PORT_QEMU_CFG_DATA 0x0511 +#define PORT_ACPI_PM_BASE 0xb000 +#define PORT_SMB_BASE 0xb100 +#define PORT_BIOS_APM 0x8900 + +// Serial port offsets +#define SEROFF_DATA 0 +#define SEROFF_DLL 0 +#define SEROFF_IER 1 +#define SEROFF_DLH 1 +#define SEROFF_IIR 2 +#define SEROFF_LCR 3 +#define SEROFF_LSR 5 +#define SEROFF_MSR 6 + +// PORT_A20 bitdefs +#define A20_ENABLE_BIT 0x02 + +// PORT_CMOS_INDEX nmi disable bit +#define NMI_DISABLE_BIT 0x80 + +#endif // ioport.h |