| /* |
| * 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++; |
| } |
