diff options
Diffstat (limited to 'kernel/arch/m32r/platforms/mappi3/io.c')
| -rw-r--r-- | kernel/arch/m32r/platforms/mappi3/io.c | 405 |
1 files changed, 405 insertions, 0 deletions
diff --git a/kernel/arch/m32r/platforms/mappi3/io.c b/kernel/arch/m32r/platforms/mappi3/io.c new file mode 100644 index 000000000..1bc3f90fd --- /dev/null +++ b/kernel/arch/m32r/platforms/mappi3/io.c @@ -0,0 +1,405 @@ +/* + * 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++; +} |