mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
e54094f2f9
Add outsw() and insw() functions for sandbox, as these are needed by the IDE code. The functions will not do anything useful if called, but allow the code to be compiled. Also add out16() and in16(), required by systemace. Signed-off-by: Simon Glass <sjg@chromium.org>
78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/*
|
|
* Copyright (c) 2011 The Chromium OS Authors.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef __SANDBOX_ASM_IO_H
|
|
#define __SANDBOX_ASM_IO_H
|
|
|
|
/*
|
|
* Given a physical address and a length, return a virtual address
|
|
* that can be used to access the memory range with the caching
|
|
* properties specified by "flags".
|
|
*/
|
|
#define MAP_NOCACHE (0)
|
|
#define MAP_WRCOMBINE (0)
|
|
#define MAP_WRBACK (0)
|
|
#define MAP_WRTHROUGH (0)
|
|
|
|
void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags);
|
|
|
|
/*
|
|
* Take down a mapping set up by map_physmem().
|
|
*/
|
|
void unmap_physmem(const void *vaddr, unsigned long flags);
|
|
|
|
/* For sandbox, we want addresses to point into our RAM buffer */
|
|
static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
|
|
{
|
|
return map_physmem(paddr, len, MAP_WRBACK);
|
|
}
|
|
|
|
/* Remove a previous mapping */
|
|
static inline void unmap_sysmem(const void *vaddr)
|
|
{
|
|
unmap_physmem(vaddr, MAP_WRBACK);
|
|
}
|
|
|
|
/* Map from a pointer to our RAM buffer */
|
|
phys_addr_t map_to_sysmem(const void *ptr);
|
|
|
|
/* Define nops for sandbox I/O access */
|
|
#define readb(addr) 0
|
|
#define readw(addr) 0
|
|
#define readl(addr) 0
|
|
#define writeb(v, addr)
|
|
#define writew(v, addr)
|
|
#define writel(v, addr)
|
|
|
|
/* I/O access functions */
|
|
int inl(unsigned int addr);
|
|
int inw(unsigned int addr);
|
|
int inb(unsigned int addr);
|
|
|
|
void outl(unsigned int value, unsigned int addr);
|
|
void outw(unsigned int value, unsigned int addr);
|
|
void outb(unsigned int value, unsigned int addr);
|
|
|
|
static inline void _insw(volatile u16 *port, void *buf, int ns)
|
|
{
|
|
}
|
|
|
|
static inline void _outsw(volatile u16 *port, const void *buf, int ns)
|
|
{
|
|
}
|
|
|
|
#define insw(port, buf, ns) _insw((u16 *)port, buf, ns)
|
|
#define outsw(port, buf, ns) _outsw((u16 *)port, buf, ns)
|
|
|
|
/* For systemace.c */
|
|
#define out16(addr, val)
|
|
#define in16(addr) 0
|
|
|
|
#include <iotrace.h>
|
|
#include <asm/types.h>
|
|
|
|
#endif
|