X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Farch%2Favr32%2Finclude%2Fasm%2Fio.h;fp=qemu%2Froms%2Fu-boot%2Farch%2Favr32%2Finclude%2Fasm%2Fio.h;h=c8d693361378754e72947ea1573bc87b0644ad0c;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/u-boot/arch/avr32/include/asm/io.h b/qemu/roms/u-boot/arch/avr32/include/asm/io.h new file mode 100644 index 000000000..c8d693361 --- /dev/null +++ b/qemu/roms/u-boot/arch/avr32/include/asm/io.h @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef __ASM_AVR32_IO_H +#define __ASM_AVR32_IO_H + +#include + +#ifdef __KERNEL__ + +/* + * Generic IO read/write. These perform native-endian accesses. Note + * that some architectures will want to re-define __raw_{read,write}w. + */ +extern void __raw_writesb(unsigned int addr, const void *data, int bytelen); +extern void __raw_writesw(unsigned int addr, const void *data, int wordlen); +extern void __raw_writesl(unsigned int addr, const void *data, int longlen); + +extern void __raw_readsb(unsigned int addr, void *data, int bytelen); +extern void __raw_readsw(unsigned int addr, void *data, int wordlen); +extern void __raw_readsl(unsigned int addr, void *data, int longlen); + +#define __raw_writeb(v,a) (*(volatile unsigned char *)(a) = (v)) +#define __raw_writew(v,a) (*(volatile unsigned short *)(a) = (v)) +#define __raw_writel(v,a) (*(volatile unsigned int *)(a) = (v)) + +#define __raw_readb(a) (*(volatile unsigned char *)(a)) +#define __raw_readw(a) (*(volatile unsigned short *)(a)) +#define __raw_readl(a) (*(volatile unsigned int *)(a)) + +/* As long as I/O is only performed in P4 (or possibly P3), we're safe */ +#define writeb(v,a) __raw_writeb(v,a) +#define writew(v,a) __raw_writew(v,a) +#define writel(v,a) __raw_writel(v,a) + +#define readb(a) __raw_readb(a) +#define readw(a) __raw_readw(a) +#define readl(a) __raw_readl(a) + +/* + * Bad read/write accesses... + */ +extern void __readwrite_bug(const char *fn); + +#define IO_SPACE_LIMIT 0xffffffff + +/* + * All I/O is memory mapped, so these macros doesn't make very much sense + */ +#define outb(v,p) __raw_writeb(v, p) +#define outw(v,p) __raw_writew(cpu_to_le16(v),p) +#define outl(v,p) __raw_writel(cpu_to_le32(v),p) + +#define inb(p) ({ unsigned int __v = __raw_readb(p); __v; }) +#define inw(p) ({ unsigned int __v = __le16_to_cpu(__raw_readw(p)); __v; }) +#define inl(p) ({ unsigned int __v = __le32_to_cpu(__raw_readl(p)); __v; }) + +#include +/* Provides virt_to_phys, phys_to_virt, cached, uncached, map_physmem */ + +#endif /* __KERNEL__ */ + +static inline void sync(void) +{ +} + +/* + * Take down a mapping set up by map_physmem(). + */ +static inline void unmap_physmem(void *vaddr, unsigned long len) +{ + +} + +#endif /* __ASM_AVR32_IO_H */