| /* |
| * Copyright (C) 2000 YAEGASHI Takeshi |
| * Typical I/O routines for HD64461 system. |
| */ |
| |
| #include <asm/io.h> |
| #include <asm/hd64461.h> |
| |
| #define MEM_BASE (CONFIG_HD64461_IOBASE - HD64461_STBCR) |
| |
| static __inline__ unsigned long PORT2ADDR(unsigned long port) |
| { |
| /* 16550A: HD64461 internal */ |
| if (0x3f8<=port && port<=0x3ff) |
| return CONFIG_HD64461_IOBASE + 0x8000 + ((port-0x3f8)<<1); |
| if (0x2f8<=port && port<=0x2ff) |
| return CONFIG_HD64461_IOBASE + 0x7000 + ((port-0x2f8)<<1); |
| |
| #ifdef CONFIG_HD64461_ENABLER |
| /* NE2000: HD64461 PCMCIA channel 0 (I/O) */ |
| if (0x300<=port && port<=0x31f) |
| return 0xba000000 + port; |
| |
| /* ide0: HD64461 PCMCIA channel 1 (memory) */ |
| /* On HP690, CF in slot 1 is configured as a memory card |
| device. See CF+ and CompactFlash Specification for the |
| detail of CF's memory mapped addressing. */ |
| if (0x1f0<=port && port<=0x1f7) return 0xb5000000 + port; |
| if (port == 0x3f6) return 0xb50001fe; |
| if (port == 0x3f7) return 0xb50001ff; |
| |
| /* ide1 */ |
| if (0x170<=port && port<=0x177) return 0xba000000 + port; |
| if (port == 0x376) return 0xba000376; |
| if (port == 0x377) return 0xba000377; |
| #endif |
| |
| /* ??? */ |
| if (port < 0xf000) return 0xa0000000 + port; |
| /* PCMCIA channel 0, I/O (0xba000000) */ |
| if (port < 0x10000) return 0xba000000 + port - 0xf000; |
| |
| /* HD64461 internal devices (0xb0000000) */ |
| if (port < 0x20000) return CONFIG_HD64461_IOBASE + port - 0x10000; |
| |
| /* PCMCIA channel 0, I/O (0xba000000) */ |
| if (port < 0x30000) return 0xba000000 + port - 0x20000; |
| |
| /* PCMCIA channel 1, memory (0xb5000000) */ |
| if (port < 0x40000) return 0xb5000000 + port - 0x30000; |
| |
| /* Whole physical address space (0xa0000000) */ |
| return 0xa0000000 + (port & 0x1fffffff); |
| } |
| |
| unsigned char hd64461_inb(unsigned long port) |
| { |
| return *(volatile unsigned char*)PORT2ADDR(port); |
| } |
| |
| unsigned char hd64461_inb_p(unsigned long port) |
| { |
| unsigned long v = *(volatile unsigned char*)PORT2ADDR(port); |
| ctrl_delay(); |
| return v; |
| } |
| |
| unsigned short hd64461_inw(unsigned long port) |
| { |
| return *(volatile unsigned short*)PORT2ADDR(port); |
| } |
| |
| unsigned int hd64461_inl(unsigned long port) |
| { |
| return *(volatile unsigned long*)PORT2ADDR(port); |
| } |
| |
| void hd64461_outb(unsigned char b, unsigned long port) |
| { |
| *(volatile unsigned char*)PORT2ADDR(port) = b; |
| } |
| |
| void hd64461_outb_p(unsigned char b, unsigned long port) |
| { |
| *(volatile unsigned char*)PORT2ADDR(port) = b; |
| ctrl_delay(); |
| } |
| |
| void hd64461_outw(unsigned short b, unsigned long port) |
| { |
| *(volatile unsigned short*)PORT2ADDR(port) = b; |
| } |
| |
| void hd64461_outl(unsigned int b, unsigned long port) |
| { |
| *(volatile unsigned long*)PORT2ADDR(port) = b; |
| } |
| |
| void hd64461_insb(unsigned long port, void *buffer, unsigned long count) |
| { |
| volatile unsigned char* addr=(volatile unsigned char*)PORT2ADDR(port); |
| unsigned char *buf=buffer; |
| while(count--) *buf++=*addr; |
| } |
| |
| void hd64461_insw(unsigned long port, void *buffer, unsigned long count) |
| { |
| volatile unsigned short* addr=(volatile unsigned short*)PORT2ADDR(port); |
| unsigned short *buf=buffer; |
| while(count--) *buf++=*addr; |
| } |
| |
| void hd64461_insl(unsigned long port, void *buffer, unsigned long count) |
| { |
| volatile unsigned long* addr=(volatile unsigned long*)PORT2ADDR(port); |
| unsigned long *buf=buffer; |
| while(count--) *buf++=*addr; |
| } |
| |
| void hd64461_outsb(unsigned long port, const void *buffer, unsigned long count) |
| { |
| volatile unsigned char* addr=(volatile unsigned char*)PORT2ADDR(port); |
| const unsigned char *buf=buffer; |
| while(count--) *addr=*buf++; |
| } |
| |
| void hd64461_outsw(unsigned long port, const void *buffer, unsigned long count) |
| { |
| volatile unsigned short* addr=(volatile unsigned short*)PORT2ADDR(port); |
| const unsigned short *buf=buffer; |
| while(count--) *addr=*buf++; |
| } |
| |
| void hd64461_outsl(unsigned long port, const void *buffer, unsigned long count) |
| { |
| volatile unsigned long* addr=(volatile unsigned long*)PORT2ADDR(port); |
| const unsigned long *buf=buffer; |
| while(count--) *addr=*buf++; |
| } |
| |
| unsigned short hd64461_readw(void __iomem *addr) |
| { |
| return ctrl_inw(MEM_BASE+(unsigned long __force)addr); |
| } |
| |
| void hd64461_writew(unsigned short b, void __iomem *addr) |
| { |
| ctrl_outw(b, MEM_BASE+(unsigned long __force)addr); |
| } |
| |