SmartAudio/lichee/linux-4.9/arch/arm/mach-sunxi/include/mach/io.h

55 lines
1.6 KiB
C

/*
* arch/arm/mach-sun6i/include/mach/io.h
*
* Copyright(c) 2012-2016 Allwinnertech Co., Ltd.
* Author: Benn Huang <benn@allwinnertech.com>
* Sugar <shuge@allwinnertech.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.
*/
#ifndef __ASM_ARM_ARCH_IO_H
#define __ASM_ARM_ARCH_IO_H
#define IO_SPACE_LIMIT 0xffffffff
/*
* We don't actually have real ISA nor PCI buses, but there is so many
* drivers out there that might just work if we fake them...
*/
#define __io(a) __typesafe_io(a)
#if !defined(SUNXI_IO_PBASE)
#define SUNXI_IO_PBASE UL(0x01000000)
#if defined(CONFIG_ARCH_SUN8IW11)
#define SUNXI_IO_SIZE SZ_16M
#elif defined (CONFIG_ARCH_SUN8IW7) || defined (CONFIG_ARCH_SUN8IW6)
#define SUNXI_IO_SIZE UL(0x01000000)
#else
#define SUNXI_IO_SIZE UL(0x0a000000 - 0x01000000)
#endif
#endif
#if !defined(SUNXI_UART_PBASE)
#define SUNXI_UART_PBASE UL(0x05000000)
#define SUNXI_UART_SIZE UL(0x2000)
#endif
#if !defined(UARTIO_ADDRESS)
#define UARTIO_ADDRESS(x) IOMEM((x) + 0xf0000000)
#endif
#endif /* __ASM_ARM_ARCH_IO_H */