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
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96 lines
3.2 KiB
96 lines
3.2 KiB
/*
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* Copyright (C) 2006 Atmel Corporation
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __ASM_AVR32_IO_H
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#define __ASM_AVR32_IO_H
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#ifdef __KERNEL__
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/*
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* Generic IO read/write. These perform native-endian accesses. Note
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* that some architectures will want to re-define __raw_{read,write}w.
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*/
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extern void __raw_writesb(unsigned int addr, const void *data, int bytelen);
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extern void __raw_writesw(unsigned int addr, const void *data, int wordlen);
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extern void __raw_writesl(unsigned int addr, const void *data, int longlen);
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extern void __raw_readsb(unsigned int addr, void *data, int bytelen);
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extern void __raw_readsw(unsigned int addr, void *data, int wordlen);
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extern void __raw_readsl(unsigned int addr, void *data, int longlen);
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#define __raw_writeb(v,a) (*(volatile unsigned char *)(a) = (v))
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#define __raw_writew(v,a) (*(volatile unsigned short *)(a) = (v))
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#define __raw_writel(v,a) (*(volatile unsigned int *)(a) = (v))
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#define __raw_readb(a) (*(volatile unsigned char *)(a))
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#define __raw_readw(a) (*(volatile unsigned short *)(a))
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#define __raw_readl(a) (*(volatile unsigned int *)(a))
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/* As long as I/O is only performed in P4 (or possibly P3), we're safe */
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#define writeb(v,a) __raw_writeb(v,a)
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#define writew(v,a) __raw_writew(v,a)
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#define writel(v,a) __raw_writel(v,a)
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#define readb(a) __raw_readb(a)
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#define readw(a) __raw_readw(a)
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#define readl(a) __raw_readl(a)
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/*
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* Bad read/write accesses...
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*/
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extern void __readwrite_bug(const char *fn);
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#define IO_SPACE_LIMIT 0xffffffff
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/*
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* All I/O is memory mapped, so these macros doesn't make very much sense
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*/
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#define outb(v,p) __raw_writeb(v, p)
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#define outw(v,p) __raw_writew(cpu_to_le16(v),p)
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#define outl(v,p) __raw_writel(cpu_to_le32(v),p)
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#define inb(p) ({ unsigned int __v = __raw_readb(p); __v; })
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#define inw(p) ({ unsigned int __v = __le16_to_cpu(__raw_readw(p)); __v; })
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#define inl(p) ({ unsigned int __v = __le32_to_cpu(__raw_readl(p)); __v; })
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#include <asm/addrspace.h>
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/* virt_to_phys will only work when address is in P1 or P2 */
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static __inline__ unsigned long virt_to_phys(volatile void *address)
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{
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return PHYSADDR(address);
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}
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static __inline__ void * phys_to_virt(unsigned long address)
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{
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return (void *)P1SEGADDR(address);
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}
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#define cached(addr) ((void *)P1SEGADDR(addr))
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#define uncached(addr) ((void *)P2SEGADDR(addr))
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#endif /* __KERNEL__ */
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static inline void sync(void)
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{
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}
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#endif /* __ASM_AVR32_IO_H */
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