diff options
Diffstat (limited to 'arch/m32r/platforms/oaks32r/io.c')
| -rw-r--r-- | arch/m32r/platforms/oaks32r/io.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/arch/m32r/platforms/oaks32r/io.c b/arch/m32r/platforms/oaks32r/io.c deleted file mode 100644 index 3ce1f3ac0d16..000000000000 --- a/arch/m32r/platforms/oaks32r/io.c +++ /dev/null @@ -1,229 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/m32r/platforms/oaks32r/io.c - * - * Typical I/O routines for OAKS32R board. - * - * Copyright (c) 2001-2005 Hiroyuki Kondo, Hirokazu Takata, - * Hitoshi Yamamoto, Mamoru Sakugawa - */ - -#include <asm/m32r.h> -#include <asm/page.h> -#include <asm/io.h> - -#define PORT2ADDR(port) _port2addr(port) - -static inline void *_port2addr(unsigned long port) -{ - return (void *)(port | NONCACHE_OFFSET); -} - -static inline void *_port2addr_ne(unsigned long port) -{ - return (void *)((port<<1) + NONCACHE_OFFSET + 0x02000000); -} - -static inline void delay(void) -{ - __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory"); -} - -/* - * NIC I/O function - */ - -#define PORT2ADDR_NE(port) _port2addr_ne(port) - -static inline unsigned char _ne_inb(void *portp) -{ - return *(volatile unsigned char *)(portp+1); -} - -static inline unsigned short _ne_inw(void *portp) -{ - unsigned short tmp; - - tmp = *(unsigned short *)(portp) & 0xff; - tmp |= *(unsigned short *)(portp+2) << 8; - return tmp; -} - -static inline void _ne_insb(void *portp, void *addr, unsigned long count) -{ - unsigned char *buf = addr; - while (count--) - *buf++ = *(volatile unsigned char *)(portp+1); -} - -static inline void _ne_outb(unsigned char b, void *portp) -{ - *(volatile unsigned char *)(portp+1) = b; -} - -static inline void _ne_outw(unsigned short w, void *portp) -{ - *(volatile unsigned short *)portp = (w >> 8); - *(volatile unsigned short *)(portp+2) = (w & 0xff); -} - -unsigned char _inb(unsigned long port) -{ - if (port >= 0x300 && port < 0x320) - return _ne_inb(PORT2ADDR_NE(port)); - - return *(volatile unsigned char *)PORT2ADDR(port); -} - -unsigned short _inw(unsigned long port) -{ - if (port >= 0x300 && port < 0x320) - return _ne_inw(PORT2ADDR_NE(port)); - - return *(volatile unsigned short *)PORT2ADDR(port); -} - -unsigned long _inl(unsigned long port) -{ - return *(volatile unsigned long *)PORT2ADDR(port); -} - -unsigned char _inb_p(unsigned long port) -{ - unsigned char v = _inb(port); - delay(); - return (v); -} - -unsigned short _inw_p(unsigned long port) -{ - unsigned short v = _inw(port); - delay(); - return (v); -} - -unsigned long _inl_p(unsigned long port) -{ - unsigned long v = _inl(port); - delay(); - return (v); -} - -void _outb(unsigned char b, unsigned long port) -{ - if (port >= 0x300 && port < 0x320) - _ne_outb(b, PORT2ADDR_NE(port)); - else - *(volatile unsigned char *)PORT2ADDR(port) = b; -} - -void _outw(unsigned short w, unsigned long port) -{ - if (port >= 0x300 && port < 0x320) - _ne_outw(w, PORT2ADDR_NE(port)); - else - *(volatile unsigned short *)PORT2ADDR(port) = w; -} - -void _outl(unsigned long l, unsigned long port) -{ - *(volatile unsigned long *)PORT2ADDR(port) = l; -} - -void _outb_p(unsigned char b, unsigned long port) -{ - _outb(b, port); - delay(); -} - -void _outw_p(unsigned short w, unsigned long port) -{ - _outw(w, port); - delay(); -} - -void _outl_p(unsigned long l, unsigned long port) -{ - _outl(l, port); - delay(); -} - -void _insb(unsigned int port, void *addr, unsigned long count) -{ - if (port >= 0x300 && port < 0x320) - _ne_insb(PORT2ADDR_NE(port), addr, count); - else { - unsigned char *buf = addr; - unsigned char *portp = PORT2ADDR(port); - while (count--) - *buf++ = *(volatile unsigned char *)portp; - } -} - -void _insw(unsigned int port, void *addr, unsigned long count) -{ - unsigned short *buf = addr; - unsigned short *portp; - - if (port >= 0x300 && port < 0x320) { - portp = PORT2ADDR_NE(port); - while (count--) - *buf++ = _ne_inw(portp); - } else { - portp = PORT2ADDR(port); - while (count--) - *buf++ = *(volatile unsigned short *)portp; - } -} - -void _insl(unsigned int port, void *addr, unsigned long count) -{ - unsigned long *buf = addr; - unsigned long *portp; - - portp = PORT2ADDR(port); - while (count--) - *buf++ = *(volatile unsigned long *)portp; -} - -void _outsb(unsigned int port, const void *addr, unsigned long count) -{ - const unsigned char *buf = addr; - unsigned char *portp; - - if (port >= 0x300 && port < 0x320) { - portp = PORT2ADDR_NE(port); - while (count--) - _ne_outb(*buf++, portp); - } else { - portp = PORT2ADDR(port); - while (count--) - *(volatile unsigned char *)portp = *buf++; - } -} - -void _outsw(unsigned int port, const void *addr, unsigned long count) -{ - const unsigned short *buf = addr; - unsigned short *portp; - - if (port >= 0x300 && port < 0x320) { - portp = PORT2ADDR_NE(port); - while (count--) - _ne_outw(*buf++, portp); - } else { - portp = PORT2ADDR(port); - while (count--) - *(volatile unsigned short *)portp = *buf++; - } -} - -void _outsl(unsigned int port, const void *addr, unsigned long count) -{ - const unsigned long *buf = addr; - unsigned char *portp; - - portp = PORT2ADDR(port); - while (count--) - *(volatile unsigned long *)portp = *buf++; -} |