+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/platforms/mappi/io.c
- *
- * Typical I/O routines for Mappi board.
- *
- * Copyright (c) 2001-2005 Hiroyuki Kondo, Hirokazu Takata,
- * Hitoshi Yamamoto
- */
-
-#include <asm/m32r.h>
-#include <asm/page.h>
-#include <asm/io.h>
-#include <asm/byteorder.h>
-
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
-#include <linux/types.h>
-
-#define M32R_PCC_IOMAP_SIZE 0x1000
-
-#define M32R_PCC_IOSTART0 0x1000
-#define M32R_PCC_IOEND0 (M32R_PCC_IOSTART0 + M32R_PCC_IOMAP_SIZE - 1)
-#define M32R_PCC_IOSTART1 0x2000
-#define M32R_PCC_IOEND1 (M32R_PCC_IOSTART1 + M32R_PCC_IOMAP_SIZE - 1)
-
-extern void pcc_ioread(int, unsigned long, void *, size_t, size_t, int);
-extern void pcc_iowrite(int, unsigned long, void *, size_t, size_t, int);
-#endif /* CONFIG_PCMCIA && CONFIG_M32R_PCC */
-
-#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 + 0x0C000000);
-}
-
-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 (unsigned char) *(volatile unsigned short *)portp;
-}
-
-static inline unsigned short _ne_inw(void *portp)
-{
- unsigned short tmp;
-
- tmp = *(volatile unsigned short *)portp;
- return le16_to_cpu(tmp);
-}
-
-static inline void _ne_outb(unsigned char b, void *portp)
-{
- *(volatile unsigned short *)portp = (unsigned short)b;
-}
-
-static inline void _ne_outw(unsigned short w, void *portp)
-{
- *(volatile unsigned short *)portp = cpu_to_le16(w);
-}
-
-unsigned char _inb(unsigned long port)
-{
- if (port >= 0x300 && port < 0x320)
- return _ne_inb(PORT2ADDR_NE(port));
- else
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
- if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- unsigned char b;
- pcc_ioread(0, port, &b, sizeof(b), 1, 0);
- return b;
- } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
- unsigned char b;
- pcc_ioread(1, port, &b, sizeof(b), 1, 0);
- return b;
- } else
-#endif
-
- return *(volatile unsigned char *)PORT2ADDR(port);
-}
-
-unsigned short _inw(unsigned long port)
-{
- if (port >= 0x300 && port < 0x320)
- return _ne_inw(PORT2ADDR_NE(port));
- else
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
- if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- unsigned short w;
- pcc_ioread(0, port, &w, sizeof(w), 1, 0);
- return w;
- } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
- unsigned short w;
- pcc_ioread(1, port, &w, sizeof(w), 1, 0);
- return w;
- } else
-#endif
- return *(volatile unsigned short *)PORT2ADDR(port);
-}
-
-unsigned long _inl(unsigned long port)
-{
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
- if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- unsigned long l;
- pcc_ioread(0, port, &l, sizeof(l), 1, 0);
- return l;
- } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
- unsigned short l;
- pcc_ioread(1, port, &l, sizeof(l), 1, 0);
- return l;
- } else
-#endif
- 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
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
- if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_iowrite(0, port, &b, sizeof(b), 1, 0);
- } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
- pcc_iowrite(1, port, &b, sizeof(b), 1, 0);
- } else
-#endif
- *(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
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
- if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_iowrite(0, port, &w, sizeof(w), 1, 0);
- } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
- pcc_iowrite(1, port, &w, sizeof(w), 1, 0);
- } else
-#endif
- *(volatile unsigned short *)PORT2ADDR(port) = w;
-}
-
-void _outl(unsigned long l, unsigned long port)
-{
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
- if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_iowrite(0, port, &l, sizeof(l), 1, 0);
- } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
- pcc_iowrite(1, port, &l, sizeof(l), 1, 0);
- } else
-#endif
- *(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)
-{
- unsigned short *buf = addr;
- unsigned short *portp;
-
- if (port >= 0x300 && port < 0x320){
- portp = PORT2ADDR_NE(port);
- while (count--)
- *buf++ = *(volatile unsigned char *)portp;
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
- } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_ioread(0, port, (void *)addr, sizeof(unsigned char),
- count, 1);
- } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
- pcc_ioread(1, port, (void *)addr, sizeof(unsigned char),
- count, 1);
-#endif
- } else {
- 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);
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
- } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_ioread(0, port, (void *)addr, sizeof(unsigned short),
- count, 1);
- } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
- pcc_ioread(1, port, (void *)addr, sizeof(unsigned short),
- count, 1);
-#endif
- } 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);
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
- } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_iowrite(0, port, (void *)addr, sizeof(unsigned char),
- count, 1);
- } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
- pcc_iowrite(1, port, (void *)addr, sizeof(unsigned char),
- count, 1);
-#endif
- } 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);
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
- } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_iowrite(0, port, (void *)addr, sizeof(unsigned short),
- count, 1);
- } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
- pcc_iowrite(1, port, (void *)addr, sizeof(unsigned short),
- count, 1);
-#endif
- } 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++;
-}
projects / linux-2.6-microblaze.git / blobdiff