You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
390 lines
9.8 KiB
390 lines
9.8 KiB
/*
|
|
* linux/arch/m32r/kernel/io_mappi.c
|
|
*
|
|
* Typical I/O routines for OPSPUT board.
|
|
*
|
|
* Copyright (c) 2001, 2002 Hiroyuki Kondo, Hirokazu Takata,
|
|
* Hitoshi Yamamoto, Takeo Takahashi
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General
|
|
* Public License. See the file "COPYING" in the main directory of this
|
|
* archive for more details.
|
|
*/
|
|
|
|
#include <linux/config.h>
|
|
#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_USB(port) _port2addr_usb(port)
|
|
|
|
static inline void *_port2addr(unsigned long port)
|
|
{
|
|
return (void *)(port + NONCACHE_OFFSET);
|
|
}
|
|
|
|
/*
|
|
* OPSPUT-LAN is located in the extended bus space
|
|
* from 0x10000000 to 0x13ffffff on physical address.
|
|
* The base address of LAN controller(LAN91C111) is 0x300.
|
|
*/
|
|
#define LAN_IOSTART 0x300
|
|
#define LAN_IOEND 0x320
|
|
static inline void *_port2addr_ne(unsigned long port)
|
|
{
|
|
return (void *)(port + NONCACHE_OFFSET + 0x10000000);
|
|
}
|
|
static inline void *_port2addr_usb(unsigned long port)
|
|
{
|
|
return (void *)((port & 0x0f) + NONCACHE_OFFSET + 0x10303000);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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 = (unsigned char *)addr;
|
|
|
|
while (count--)
|
|
*buf++ = _ne_inb(portp);
|
|
}
|
|
|
|
static inline void _ne_outb(unsigned char b, void *portp)
|
|
{
|
|
*(volatile unsigned char *)portp = 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_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_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;
|
|
|
|
if (port >= LAN_IOSTART && port < LAN_IOEND)
|
|
v = _ne_inb(PORT2ADDR_NE(port));
|
|
else
|
|
#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
|
|
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
|
|
v = *(volatile unsigned char *)PORT2ADDR(port);
|
|
|
|
delay();
|
|
return (v);
|
|
}
|
|
|
|
unsigned short _inw_p(unsigned long port)
|
|
{
|
|
unsigned short v;
|
|
|
|
if (port >= LAN_IOSTART && port < LAN_IOEND)
|
|
v = _ne_inw(PORT2ADDR_NE(port));
|
|
else
|
|
#if defined(CONFIG_USB)
|
|
if(port >= 0x340 && port < 0x3a0)
|
|
return *(volatile unsigned short *)PORT2ADDR_USB(port);
|
|
else
|
|
#endif
|
|
|
|
#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
|
|
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
|
|
v = *(volatile unsigned short *)PORT2ADDR(port);
|
|
|
|
delay();
|
|
return (v);
|
|
}
|
|
|
|
unsigned long _inl_p(unsigned long port)
|
|
{
|
|
unsigned long v;
|
|
|
|
v = *(volatile unsigned long *)PORT2ADDR(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_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_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)
|
|
{
|
|
if (port >= LAN_IOSTART && port < LAN_IOEND)
|
|
_ne_outb(b, PORT2ADDR_NE(port));
|
|
else
|
|
#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;
|
|
|
|
delay();
|
|
}
|
|
|
|
void _outw_p(unsigned short w, unsigned long port)
|
|
{
|
|
if (port >= LAN_IOSTART && port < LAN_IOEND)
|
|
_ne_outw(w, PORT2ADDR_NE(port));
|
|
else
|
|
#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;
|
|
|
|
delay();
|
|
}
|
|
|
|
void _outl_p(unsigned long l, unsigned long port)
|
|
{
|
|
*(volatile unsigned long *)PORT2ADDR(port) = l;
|
|
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_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) {
|
|
/*
|
|
* This portion is only used by smc91111.c to read data
|
|
* from the DATA_REG. Do not swap the data.
|
|
*/
|
|
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
|
|
} 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_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) {
|
|
/*
|
|
* This portion is only used by smc91111.c to write data
|
|
* into the DATA_REG. Do not swap the data.
|
|
*/
|
|
portp = PORT2ADDR_NE(port);
|
|
while (count--)
|
|
*(volatile unsigned short *)portp = *buf++;
|
|
#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++;
|
|
}
|
|
|