diff options
Diffstat (limited to 'arch/x86/include/asm/arch-qemu/qemu.h')
| -rw-r--r-- | arch/x86/include/asm/arch-qemu/qemu.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/x86/include/asm/arch-qemu/qemu.h b/arch/x86/include/asm/arch-qemu/qemu.h new file mode 100644 index 0000000..5cbffff --- /dev/null +++ b/arch/x86/include/asm/arch-qemu/qemu.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ARCH_QEMU_H_ +#define _ARCH_QEMU_H_ + +/* Programmable Attribute Map (PAM) Registers */ +#define I440FX_PAM 0x59 +#define Q35_PAM 0x90 +#define PAM_NUM 7 +#define PAM_RW 0x33 + +/* IDE Timing Register */ +#define IDE0_TIM 0x40 +#define IDE1_TIM 0x42 +#define IDE_DECODE_EN 0x8000 + +/* I/O Ports */ +#define CMOS_ADDR_PORT 0x70 +#define CMOS_DATA_PORT 0x71 + +#define LOW_RAM_ADDR 0x34 +#define HIGH_RAM_ADDR 0x35 + +#endif /* _ARCH_QEMU_H_ */ |