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Release 4.14 arch/m32r/platforms/m32700ut/io.c

/*
 *  linux/arch/m32r/platforms/m32700ut/io.c
 *
 *  Typical I/O routines for M32700UT board.
 *
 *  Copyright (c) 2001-2005  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 <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); }

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Hirokazu Takata23100.00%3100.00%
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#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
static inline void *__port2addr_ata(unsigned long port) { static int dummy_reg; switch (port) { case 0x1f0: return (void *)(0x0c002000 | NONCACHE_OFFSET); case 0x1f1: return (void *)(0x0c012800 | NONCACHE_OFFSET); case 0x1f2: return (void *)(0x0c012002 | NONCACHE_OFFSET); case 0x1f3: return (void *)(0x0c012802 | NONCACHE_OFFSET); case 0x1f4: return (void *)(0x0c012004 | NONCACHE_OFFSET); case 0x1f5: return (void *)(0x0c012804 | NONCACHE_OFFSET); case 0x1f6: return (void *)(0x0c012006 | NONCACHE_OFFSET); case 0x1f7: return (void *)(0x0c012806 | NONCACHE_OFFSET); case 0x3f6: return (void *)(0x0c01200e | NONCACHE_OFFSET); default: return (void *)&dummy_reg; } }

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Hirokazu Takata157100.00%3100.00%
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#endif /* * M32700UT-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 | NONCACHE_OFFSET) #define LAN_IOEND (0x320 | NONCACHE_OFFSET)
static inline void *_port2addr_ne(unsigned long port) { return (void *)(port + 0x10000000); }

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static inline void *_port2addr_usb(unsigned long port) { return (void *)((port & 0x0f) + NONCACHE_OFFSET + 0x10303000); }

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static inline void delay(void) { __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory"); }

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Hirokazu Takata12100.00%2100.00%
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/* * NIC I/O function */ #define PORT2ADDR_NE(port) _port2addr_ne(port)
static inline unsigned char _ne_inb(void *portp) { return *(volatile unsigned char *)portp; }

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Hirokazu Takata22100.00%2100.00%
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static inline unsigned short _ne_inw(void *portp) { return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp); }

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static inline void _ne_insb(void *portp, void *addr, unsigned long count) { unsigned char *buf = (unsigned char *)addr; while (count--) *buf++ = _ne_inb(portp); }

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static inline void _ne_outb(unsigned char b, void *portp) { *(volatile unsigned char *)portp = b; }

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Hirokazu Takata26100.00%2100.00%
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static inline void _ne_outw(unsigned short w, void *portp) { *(volatile unsigned short *)portp = cpu_to_le16(w); }

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unsigned char _inb(unsigned long port) { if (port >= LAN_IOSTART && port < LAN_IOEND) return _ne_inb(PORT2ADDR_NE(port)); #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC) else if ((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); }

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Hirokazu Takata141100.00%3100.00%
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unsigned short _inw(unsigned long port) { if (port >= LAN_IOSTART && port < LAN_IOEND) return _ne_inw(PORT2ADDR_NE(port)); #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC) else if ((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); }

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Hirokazu Takata173100.00%3100.00%
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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); }

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unsigned char _inb_p(unsigned long port) { unsigned char v = _inb(port); delay(); return (v); }

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unsigned short _inw_p(unsigned long port) { unsigned short v = _inw(port); delay(); return (v); }

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unsigned long _inl_p(unsigned long port) { unsigned long v = _inl(port); delay(); return (v); }

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Hirokazu Takata27100.00%2100.00%
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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) && !defined(CONFIG_M32R_CFC) if ((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; }

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Hirokazu Takata140100.00%4100.00%
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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) && !defined(CONFIG_M32R_CFC) if ((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; }

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Hirokazu Takata173100.00%4100.00%
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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; }

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void _outb_p(unsigned char b, unsigned long port) { _outb(b, port); delay(); }

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void _outw_p(unsigned short w, unsigned long port) { _outw(w, port); delay(); }

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Hirokazu Takata23100.00%1100.00%
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void _outl_p(unsigned long l, unsigned long port) { _outl(l, port); delay(); }

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Hirokazu Takata23100.00%2100.00%
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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) && !defined(CONFIG_M32R_CFC) else if ((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; } }

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Hirokazu Takata194100.00%3100.00%
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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 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC) } else if ((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; } }

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Hirokazu Takata202100.00%3100.00%
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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; }

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Hirokazu Takata54100.00%1100.00%
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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) && !defined(CONFIG_M32R_CFC) } else if ((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++; } }

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Hirokazu Takata199100.00%3100.00%
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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_IDE) && !defined(CONFIG_M32R_CFC) } else if ((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++; } }

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Hirokazu Takata204100.00%3100.00%
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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++; }

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Hirokazu Takata2391100.00%7100.00%
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