upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
125 lines
4.7 KiB
125 lines
4.7 KiB
/*
|
|
* U-boot - io.h IO routines
|
|
*
|
|
* Copyright (c) 2005-2007 Analog Devices Inc.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
|
|
* MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _BLACKFIN_IO_H
|
|
#define _BLACKFIN_IO_H
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#include <linux/config.h>
|
|
|
|
/* function prototypes for CF support */
|
|
extern void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words);
|
|
extern void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words);
|
|
extern unsigned char cf_inb(volatile unsigned char *addr);
|
|
extern void cf_outb(unsigned char val, volatile unsigned char *addr);
|
|
|
|
static inline void sync(void)
|
|
{
|
|
__builtin_bfin_ssync();
|
|
}
|
|
|
|
/*
|
|
* These are for ISA/PCI shared memory _only_ and should never be used
|
|
* on any other type of memory, including Zorro memory. They are meant to
|
|
* access the bus in the bus byte order which is little-endian!.
|
|
*
|
|
* readX/writeX() are used to access memory mapped devices. On some
|
|
* architectures the memory mapped IO stuff needs to be accessed
|
|
* differently. On the m68k architecture, we just read/write the
|
|
* memory location directly.
|
|
*/
|
|
|
|
#define readb(addr) ({ unsigned char __v = (*(volatile unsigned char *) (addr));asm("ssync;"); __v; })
|
|
#define readw(addr) ({ unsigned short __v = (*(volatile unsigned short *) (addr)); asm("ssync;");__v; })
|
|
#define readl(addr) ({ unsigned int __v = (*(volatile unsigned int *) (addr));asm("ssync;"); __v; })
|
|
|
|
#define writeb(b,addr) {((*(volatile unsigned char *) (addr)) = (b)); asm("ssync;");}
|
|
#define writew(b,addr) {((*(volatile unsigned short *) (addr)) = (b)); asm("ssync;");}
|
|
#define writel(b,addr) {((*(volatile unsigned int *) (addr)) = (b)); asm("ssync;");}
|
|
|
|
#define memset_io(a,b,c) memset((void *)(a),(b),(c))
|
|
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
|
|
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
|
|
|
|
#define inb_p(addr) readb((addr) + BF533_PCIIO_BASE)
|
|
#define inb(addr) cf_inb((volatile unsigned char*)(addr))
|
|
|
|
#define outb(x,addr) cf_outb((unsigned char)(x), (volatile unsigned char*)(addr))
|
|
#define outb_p(x,addr) outb(x, (addr) + BF533_PCIIO_BASE)
|
|
|
|
#define inw(addr) readw((addr) + BF533_PCIIO_BASE)
|
|
#define inl(addr) readl((addr) + BF533_PCIIO_BASE)
|
|
|
|
#define outw(x,addr) writew(x, (addr) + BF533_PCIIO_BASE)
|
|
#define outl(x,addr) writel(x, (addr) + BF533_PCIIO_BASE)
|
|
|
|
#define insb(port, addr, count) memcpy((void*)addr, (void*)(BF533_PCIIO_BASE + port), count)
|
|
#define insw(port, addr, count) cf_insw((unsigned short*)addr, (unsigned short*)(port), (count))
|
|
#define insl(port, addr, count) memcpy((void*)addr, (void*)(BF533_PCIIO_BASE + port), (4*count))
|
|
|
|
#define outsb(port,addr,count) memcpy((void*)(BF533_PCIIO_BASE + port), (void*)addr, count)
|
|
#define outsw(port,addr,count) cf_outsw((unsigned short*)(port), (unsigned short*)addr, (count))
|
|
#define outsl(port,addr,count) memcpy((void*)(BF533_PCIIO_BASE + port), (void*)addr, (4*count))
|
|
|
|
#define IO_SPACE_LIMIT 0xffff
|
|
|
|
/* Values for nocacheflag and cmode */
|
|
#define IOMAP_FULL_CACHING 0
|
|
#define IOMAP_NOCACHE_SER 1
|
|
#define IOMAP_NOCACHE_NONSER 2
|
|
#define IOMAP_WRITETHROUGH 3
|
|
|
|
extern void *__ioremap(unsigned long physaddr, unsigned long size,
|
|
int cacheflag);
|
|
extern void __iounmap(void *addr, unsigned long size);
|
|
|
|
extern inline void *ioremap(unsigned long physaddr, unsigned long size)
|
|
{
|
|
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
|
|
}
|
|
extern inline void *ioremap_nocache(unsigned long physaddr, unsigned long size)
|
|
{
|
|
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
|
|
}
|
|
extern inline void *ioremap_writethrough(unsigned long physaddr,
|
|
unsigned long size)
|
|
{
|
|
return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
|
|
}
|
|
extern inline void *ioremap_fullcache(unsigned long physaddr,
|
|
unsigned long size)
|
|
{
|
|
return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
|
|
}
|
|
|
|
extern void iounmap(void *addr);
|
|
|
|
extern void blkfin_inv_cache_all(void);
|
|
#define dma_cache_inv(_start,_size) do { blkfin_inv_cache_all();} while (0)
|
|
#define dma_cache_wback(_start,_size) do { } while (0)
|
|
#define dma_cache_wback_inv(_start,_size) do { blkfin_inv_cache_all();} while (0)
|
|
|
|
#endif
|
|
#endif
|
|
|