diff options
Diffstat (limited to 'arch/sh/boards/mach-se/770x/io.c')
-rw-r--r-- | arch/sh/boards/mach-se/770x/io.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/arch/sh/boards/mach-se/770x/io.c b/arch/sh/boards/mach-se/770x/io.c deleted file mode 100644 index 28833c8..0000000 --- a/arch/sh/boards/mach-se/770x/io.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Copyright (C) 2000 Kazumoto Kojima - * - * I/O routine for Hitachi SolutionEngine. - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <asm/io.h> -#include <mach-se/mach/se.h> - -/* 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 & 0xff000000) - return ( volatile __u16 *) port; - if (port >= 0x2000) - return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); - else if (port >= 0x1000) - return (volatile __u16 *) (PA_83902 + (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; -} - -unsigned char se_inb(unsigned long port) -{ - 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 (shifted_port(port)) - v = (*port2adr(port) >> 8); - else - v = (*port2adr(port))&0xff; - ctrl_delay(); - return v; -} - -unsigned short se_inw(unsigned long port) -{ - if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(port); - return 0; -} - -unsigned int se_inl(unsigned long port) -{ - maybebadio(port); - return 0; -} - -void se_outb(unsigned char value, unsigned long port) -{ - if (shifted_port(port)) - *(port2adr(port)) = value << 8; - else - *(port2adr(port)) = value; -} - -void se_outb_p(unsigned char value, unsigned long port) -{ - if (shifted_port(port)) - *(port2adr(port)) = value << 8; - else - *(port2adr(port)) = value; - ctrl_delay(); -} - -void se_outw(unsigned short value, unsigned long port) -{ - if (port >= 0x2000) - *port2adr(port) = value; - else - maybebadio(port); -} - -void se_outl(unsigned int value, unsigned long port) -{ - maybebadio(port); -} - -void se_insb(unsigned long port, void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - __u8 *ap = addr; - - 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(port); -} - -void se_outsb(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - const __u8 *ap = addr; - - 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(port); -} |