| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> |
| */ |
| |
| #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 |
| |
| /* X-Bus Chip Select Register */ |
| #define XBCS 0x4e |
| #define APIC_EN (1 << 8) |
| |
| /* IDE Timing Register */ |
| #define IDE0_TIM 0x40 |
| #define IDE1_TIM 0x42 |
| #define IDE_DECODE_EN (1 << 15) |
| |
| /* PCIe ECAM Base Address Register */ |
| #define PCIEX_BAR 0x60 |
| #define BAR_EN (1 << 0) |
| |
| /* I/O Ports */ |
| #define CMOS_ADDR_PORT 0x70 |
| #define CMOS_DATA_PORT 0x71 |
| |
| #define LOW_RAM_ADDR 0x34 |
| #define HIGH_RAM_ADDR 0x35 |
| |
| #define LOW_HIGHRAM_ADDR 0x5b |
| #define MID_HIGHRAM_ADDR 0x5c |
| #define HIGH_HIGHRAM_ADDR 0x5d |
| |
| /* PM registers */ |
| #define PMBA 0x40 |
| #define PMREGMISC 0x80 |
| #define PMIOSE (1 << 0) |
| |
| /** |
| * qemu_get_low_memory_size() - Get low memory size |
| * |
| * @return: size of memory below 4GiB |
| */ |
| u32 qemu_get_low_memory_size(void); |
| |
| /** |
| * qemu_get_high_memory_size() - Get high memory size |
| * |
| * @return: size of memory above 4GiB |
| */ |
| u64 qemu_get_high_memory_size(void); |
| |
| #endif /* _ARCH_QEMU_H_ */ |
