mirror of https://gitee.com/openkylin/linux.git
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
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/* include/asm-ppc/mpc8260_pci9.h
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*
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* Undefine the PCI read* and in* macros so we can define them as functions
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* that implement the workaround for the MPC8260 device erratum PCI 9.
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*
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* This header file should only be included at the end of include/asm-ppc/io.h
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* and never included directly anywhere else.
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*
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* Author: andy_lowe@mvista.com
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*
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* 2003 (c) MontaVista Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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#ifndef _PPC_IO_H
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#error "Do not include mpc8260_pci9.h directly."
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#endif
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#ifdef __KERNEL__
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#ifndef __CONFIG_8260_PCI9_DEFS
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#define __CONFIG_8260_PCI9_DEFS
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#undef readb
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#undef readw
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#undef readl
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#undef insb
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#undef insw
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#undef insl
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#undef inb
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#undef inw
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#undef inl
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#undef insw_ns
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#undef insl_ns
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#undef memcpy_fromio
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extern int readb(volatile unsigned char *addr);
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extern int readw(volatile unsigned short *addr);
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extern unsigned readl(volatile unsigned *addr);
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extern void insb(unsigned port, void *buf, int ns);
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extern void insw(unsigned port, void *buf, int ns);
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extern void insl(unsigned port, void *buf, int nl);
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extern int inb(unsigned port);
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extern int inw(unsigned port);
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extern unsigned inl(unsigned port);
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extern void insw_ns(unsigned port, void *buf, int ns);
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extern void insl_ns(unsigned port, void *buf, int nl);
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extern void *memcpy_fromio(void *dest, unsigned long src, size_t count);
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#endif /* !__CONFIG_8260_PCI9_DEFS */
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#endif /* __KERNEL__ */
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