From a65b25d148fb0a9ef7dd5fba4ae2709f5bcae0c6 Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Thu, 7 May 2015 21:34:08 +0800 Subject: x86: Support QEMU x86 targets This commit introduces the initial U-Boot support for QEMU x86 targets. U-Boot can boot from coreboot as a payload, or directly without coreboot. Signed-off-by: Bin Meng Acked-by: Simon Glass Tested-by: Simon Glass Merged in patch 'x86: qemu: Add CMD_NET to qemu-x86_defconfig https://patchwork.ozlabs.org/patch/479745/ --- arch/x86/include/asm/arch-qemu/gpio.h | 13 +++++++++++++ arch/x86/include/asm/arch-qemu/qemu.h | 17 +++++++++++++++++ 2 files changed, 30 insertions(+) create mode 100644 arch/x86/include/asm/arch-qemu/gpio.h create mode 100644 arch/x86/include/asm/arch-qemu/qemu.h (limited to 'arch/x86/include/asm') diff --git a/arch/x86/include/asm/arch-qemu/gpio.h b/arch/x86/include/asm/arch-qemu/gpio.h new file mode 100644 index 0000000000..ca8cba4f97 --- /dev/null +++ b/arch/x86/include/asm/arch-qemu/gpio.h @@ -0,0 +1,13 @@ +/* + * Copyright (C) 2015, Bin Meng + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _X86_ARCH_GPIO_H_ +#define _X86_ARCH_GPIO_H_ + +/* Where in config space is the register that points to the GPIO registers? */ +#define PCI_CFG_GPIOBASE 0x44 + +#endif /* _X86_ARCH_GPIO_H_ */ 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 0000000000..8d7e9861ca --- /dev/null +++ b/arch/x86/include/asm/arch-qemu/qemu.h @@ -0,0 +1,17 @@ +/* + * Copyright (C) 2015, Bin Meng + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ARCH_QEMU_H_ +#define _ARCH_QEMU_H_ + +/* 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_ */ -- cgit