diff options
Diffstat (limited to 'arch/sh/boards/se/770x/io.c')
| -rw-r--r-- | arch/sh/boards/se/770x/io.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/arch/sh/boards/se/770x/io.c b/arch/sh/boards/se/770x/io.c deleted file mode 100644 index 9a39ee96314..00000000000 --- a/arch/sh/boards/se/770x/io.c +++ /dev/null @@ -1,226 +0,0 @@ -/* $Id: io.c,v 1.5 2004/02/22 23:08:43 kkojima Exp $ - * - * linux/arch/sh/kernel/io_se.c - * - * Copyright (C) 2000 Kazumoto Kojima - * - * I/O routine for Hitachi SolutionEngine. - * - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <asm/io.h> -#include <asm/se/se.h> - -/* SH pcmcia io window base, start and end. */ -int sh_pcic_io_wbase = 0xb8400000; -int sh_pcic_io_start; -int sh_pcic_io_stop; -int sh_pcic_io_type; -int sh_pcic_io_dummy; - -static inline void delay(void) -{ - ctrl_inw(0xa0000000); -} - -/* MS7750 requires special versions of in*, out* routines, since - PC-like io ports are located at upper half byte of 16-bit word which - can be accessed only with 16-bit wide. */ - -static inline volatile __u16 * -port2adr(unsigned int port) -{ - if (port >= 0x2000) - return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); - else if (port >= 0x1000) - return (volatile __u16 *) (PA_83902 + (port << 1)); - else if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) - return (volatile __u16 *) (sh_pcic_io_wbase + (port &~ 1)); - else - return (volatile __u16 *) (PA_SUPERIO + (port << 1)); -} - -static inline int -shifted_port(unsigned long port) -{ - /* For IDE registers, value is not shifted */ - if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) - return 0; - else - return 1; -} - -#define maybebadio(name,port) \ - printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \ - #name, (port), (__u32) __builtin_return_address(0)) - -unsigned char se_inb(unsigned long port) -{ - if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) - return *(__u8 *) (sh_pcic_io_wbase + 0x40000 + port); - else if (shifted_port(port)) - return (*port2adr(port) >> 8); - else - return (*port2adr(port))&0xff; -} - -unsigned char se_inb_p(unsigned long port) -{ - unsigned long v; - - if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) - v = *(__u8 *) (sh_pcic_io_wbase + 0x40000 + port); - else if (shifted_port(port)) - v = (*port2adr(port) >> 8); - else - v = (*port2adr(port))&0xff; - delay(); - return v; -} - -unsigned short se_inw(unsigned long port) -{ - if (port >= 0x2000 || - (sh_pcic_io_start <= port && port <= sh_pcic_io_stop)) - return *port2adr(port); - else - maybebadio(inw, port); - return 0; -} - -unsigned int se_inl(unsigned long port) -{ - maybebadio(inl, port); - return 0; -} - -void se_outb(unsigned char value, unsigned long port) -{ - if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) - *(__u8 *)(sh_pcic_io_wbase + port) = value; - else if (shifted_port(port)) - *(port2adr(port)) = value << 8; - else - *(port2adr(port)) = value; -} - -void se_outb_p(unsigned char value, unsigned long port) -{ - if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) - *(__u8 *)(sh_pcic_io_wbase + port) = value; - else if (shifted_port(port)) - *(port2adr(port)) = value << 8; - else - *(port2adr(port)) = value; - delay(); -} - -void se_outw(unsigned short value, unsigned long port) -{ - if (port >= 0x2000 || - (sh_pcic_io_start <= port && port <= sh_pcic_io_stop)) - *port2adr(port) = value; - else - maybebadio(outw, port); -} - -void se_outl(unsigned int value, unsigned long port) -{ - maybebadio(outl, port); -} - -void se_insb(unsigned long port, void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - __u8 *ap = addr; - - if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) { - volatile __u8 *bp = (__u8 *) (sh_pcic_io_wbase + 0x40000 + port); - while (count--) - *ap++ = *bp; - } else if (shifted_port(port)) { - while (count--) - *ap++ = *p >> 8; - } else { - while (count--) - *ap++ = *p; - } -} - -void se_insw(unsigned long port, void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - __u16 *ap = addr; - while (count--) - *ap++ = *p; -} - -void se_insl(unsigned long port, void *addr, unsigned long count) -{ - maybebadio(insl, port); -} - -void se_outsb(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - const __u8 *ap = addr; - - if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) { - volatile __u8 *bp = (__u8 *) (sh_pcic_io_wbase + port); - while (count--) - *bp = *ap++; - } else if (shifted_port(port)) { - while (count--) - *p = *ap++ << 8; - } else { - while (count--) - *p = *ap++; - } -} - -void se_outsw(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - const __u16 *ap = addr; - while (count--) - *p = *ap++; -} - -void se_outsl(unsigned long port, const void *addr, unsigned long count) -{ - maybebadio(outsw, port); -} - -/* Map ISA bus address to the real address. Only for PCMCIA. */ - -/* ISA page descriptor. */ -static __u32 sh_isa_memmap[256]; - -static int -sh_isa_mmap(__u32 start, __u32 length, __u32 offset) -{ - int idx; - - if (start >= 0x100000 || (start & 0xfff) || (length != 0x1000)) - return -1; - - idx = start >> 12; - sh_isa_memmap[idx] = 0xb8000000 + (offset &~ 0xfff); -#if 0 - printk("sh_isa_mmap: start %x len %x offset %x (idx %x paddr %x)\n", - start, length, offset, idx, sh_isa_memmap[idx]); -#endif - return 0; -} - -unsigned long -se_isa_port2addr(unsigned long offset) -{ - int idx; - - idx = (offset >> 12) & 0xff; - offset &= 0xfff; - return sh_isa_memmap[idx] + offset; -} |