+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/platforms/mappi3/io.c
- *
- * Typical I/O routines for Mappi3 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>
-#include <asm/byteorder.h>
-
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
-#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)
-
-extern void pcc_ioread_byte(int, unsigned long, void *, size_t, size_t, int);
-extern void pcc_ioread_word(int, unsigned long, void *, size_t, size_t, int);
-extern void pcc_iowrite_byte(int, unsigned long, void *, size_t, size_t, int);
-extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int);
-#endif /* CONFIG_PCMCIA && CONFIG_M32R_CFC */
-
-#define PORT2ADDR(port) _port2addr(port)
-#define PORT2ADDR_NE(port) _port2addr_ne(port)
-#define PORT2ADDR_USB(port) _port2addr_usb(port)
-
-static inline void *_port2addr(unsigned long port)
-{
- return (void *)(port | NONCACHE_OFFSET);
-}
-
-#if defined(CONFIG_IDE)
-static inline void *__port2addr_ata(unsigned long port)
-{
- static int dummy_reg;
-
- switch (port) {
- /* IDE0 CF */
- case 0x1f0: return (void *)(0x14002000 | NONCACHE_OFFSET);
- case 0x1f1: return (void *)(0x14012800 | NONCACHE_OFFSET);
- case 0x1f2: return (void *)(0x14012002 | NONCACHE_OFFSET);
- case 0x1f3: return (void *)(0x14012802 | NONCACHE_OFFSET);
- case 0x1f4: return (void *)(0x14012004 | NONCACHE_OFFSET);
- case 0x1f5: return (void *)(0x14012804 | NONCACHE_OFFSET);
- case 0x1f6: return (void *)(0x14012006 | NONCACHE_OFFSET);
- case 0x1f7: return (void *)(0x14012806 | NONCACHE_OFFSET);
- case 0x3f6: return (void *)(0x1401200e | NONCACHE_OFFSET);
- /* IDE1 IDE */
- case 0x170: /* Data 16bit */
- return (void *)(0x14810000 | NONCACHE_OFFSET);
- case 0x171: /* Features / Error */
- return (void *)(0x14810002 | NONCACHE_OFFSET);
- case 0x172: /* Sector count */
- return (void *)(0x14810004 | NONCACHE_OFFSET);
- case 0x173: /* Sector number */
- return (void *)(0x14810006 | NONCACHE_OFFSET);
- case 0x174: /* Cylinder low */
- return (void *)(0x14810008 | NONCACHE_OFFSET);
- case 0x175: /* Cylinder high */
- return (void *)(0x1481000a | NONCACHE_OFFSET);
- case 0x176: /* Device head */
- return (void *)(0x1481000c | NONCACHE_OFFSET);
- case 0x177: /* Command */
- return (void *)(0x1481000e | NONCACHE_OFFSET);
- case 0x376: /* Device control / Alt status */
- return (void *)(0x1480800c | NONCACHE_OFFSET);
-
- default: return (void *)&dummy_reg;
- }
-}
-#endif
-
-#define LAN_IOSTART (0x300 | NONCACHE_OFFSET)
-#define LAN_IOEND (0x320 | NONCACHE_OFFSET)
-static inline void *_port2addr_ne(unsigned long port)
-{
- return (void *)(port + 0x10000000);
-}
-
-static inline void *_port2addr_usb(unsigned long port)
-{
- return (void *)(port + NONCACHE_OFFSET + 0x12000000);
-}
-static inline void delay(void)
-{
- __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
-}
-
-/*
- * NIC I/O function
- */
-
-static inline unsigned char _ne_inb(void *portp)
-{
- return (unsigned char) *(volatile unsigned char *)portp;
-}
-
-static inline unsigned short _ne_inw(void *portp)
-{
- return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp);
-}
-
-static inline void _ne_insb(void *portp, void * addr, unsigned long count)
-{
- unsigned char *buf = addr;
-
- while (count--)
- *buf++ = *(volatile unsigned char *)portp;
-}
-
-static inline void _ne_outb(unsigned char b, void *portp)
-{
- *(volatile unsigned char *)portp = (unsigned char)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 >= LAN_IOSTART && port < LAN_IOEND)
- return _ne_inb(PORT2ADDR_NE(port));
-#if defined(CONFIG_IDE)
- else if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
- ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
- return *(volatile unsigned char *)__port2addr_ata(port);
- }
-#endif
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
- else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- unsigned char b;
- pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
- return b;
- } else
-#endif
- return *(volatile unsigned char *)PORT2ADDR(port);
-}
-
-unsigned short _inw(unsigned long port)
-{
- if (port >= LAN_IOSTART && port < LAN_IOEND)
- return _ne_inw(PORT2ADDR_NE(port));
-#if defined(CONFIG_IDE)
- else if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
- ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
- return *(volatile unsigned short *)__port2addr_ata(port);
- }
-#endif
-#if defined(CONFIG_USB)
- else if (port >= 0x340 && port < 0x3a0)
- return *(volatile unsigned short *)PORT2ADDR_USB(port);
-#endif
-
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
- else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- unsigned short w;
- pcc_ioread_word(0, 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_CFC)
- if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- unsigned long l;
- pcc_ioread_word(0, 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 >= LAN_IOSTART && port < LAN_IOEND)
- _ne_outb(b, PORT2ADDR_NE(port));
- else
-#if defined(CONFIG_IDE)
- if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
- ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
- *(volatile unsigned char *)__port2addr_ata(port) = b;
- } else
-#endif
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
- if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
- } else
-#endif
- *(volatile unsigned char *)PORT2ADDR(port) = b;
-}
-
-void _outw(unsigned short w, unsigned long port)
-{
- if (port >= LAN_IOSTART && port < LAN_IOEND)
- _ne_outw(w, PORT2ADDR_NE(port));
- else
-#if defined(CONFIG_IDE)
- if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
- ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
- *(volatile unsigned short *)__port2addr_ata(port) = w;
- } else
-#endif
-#if defined(CONFIG_USB)
- if (port >= 0x340 && port < 0x3a0)
- *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
- else
-#endif
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
- if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_iowrite_word(0, 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_CFC)
- if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_iowrite_word(0, 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)
-{
- if (port >= LAN_IOSTART && port < LAN_IOEND)
- _ne_insb(PORT2ADDR_NE(port), addr, count);
-#if defined(CONFIG_IDE)
- else if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
- ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
- unsigned char *buf = addr;
- unsigned char *portp = __port2addr_ata(port);
- while (count--)
- *buf++ = *(volatile unsigned char *)portp;
- }
-#endif
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
- else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_ioread_byte(0, port, (void *)addr, sizeof(unsigned char),
- count, 1);
- }
-#endif
- 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 >= LAN_IOSTART && port < LAN_IOEND) {
- portp = PORT2ADDR_NE(port);
- while (count--)
- *buf++ = *(volatile unsigned short *)portp;
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
- } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short),
- count, 1);
-#endif
-#if defined(CONFIG_IDE)
- } else if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
- ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
- portp = __port2addr_ata(port);
- while (count--)
- *buf++ = *(volatile unsigned short *)portp;
-#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 >= LAN_IOSTART && port < LAN_IOEND) {
- portp = PORT2ADDR_NE(port);
- while (count--)
- _ne_outb(*buf++, portp);
-#if defined(CONFIG_IDE)
- } else if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
- ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
- portp = __port2addr_ata(port);
- while (count--)
- *(volatile unsigned char *)portp = *buf++;
-#endif
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
- } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_iowrite_byte(0, 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 >= LAN_IOSTART && port < LAN_IOEND) {
- portp = PORT2ADDR_NE(port);
- while (count--)
- *(volatile unsigned short *)portp = *buf++;
-#if defined(CONFIG_IDE)
- } else if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
- ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
- portp = __port2addr_ata(port);
- while (count--)
- *(volatile unsigned short *)portp = *buf++;
-#endif
-#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
- } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
- pcc_iowrite_word(9, 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++;
-}
git.samba.org / sfrench / cifs-2.6.git / blobdiff