diff options
Diffstat (limited to 'arch/sh/boards/renesas/edosk7705/io.c')
-rw-r--r-- | arch/sh/boards/renesas/edosk7705/io.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/arch/sh/boards/renesas/edosk7705/io.c b/arch/sh/boards/renesas/edosk7705/io.c deleted file mode 100644 index 541cea2a652..00000000000 --- a/arch/sh/boards/renesas/edosk7705/io.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * arch/sh/boards/renesas/edosk7705/io.c - * - * Copyright (C) 2001 Ian da Silva, Jeremy Siegel - * Based largely on io_se.c. - * - * I/O routines for Hitachi EDOSK7705 board. - * - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <asm/io.h> -#include <asm/edosk7705/io.h> -#include <asm/addrspace.h> - -#define SMC_IOADDR 0xA2000000 - -#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)) - -/* Map the Ethernet addresses as if it is at 0x300 - 0x320 */ -unsigned long sh_edosk7705_isa_port2addr(unsigned long port) -{ - if (port >= 0x300 && port < 0x320) { - /* SMC91C96 registers are 4 byte aligned rather than the - * usual 2 byte! - */ - return SMC_IOADDR + ( (port - 0x300) * 2); - } - - maybebadio(sh_edosk7705_isa_port2addr, port); - return port; -} - -/* Trying to read / write bytes on odd-byte boundaries to the Ethernet - * registers causes problems. So we bit-shift the value and read / write - * in 2 byte chunks. Setting the low byte to 0 does not cause problems - * now as odd byte writes are only made on the bit mask / interrupt - * register. This may not be the case in future Mar-2003 SJD - */ -unsigned char sh_edosk7705_inb(unsigned long port) -{ - if (port >= 0x300 && port < 0x320 && port & 0x01) { - return (volatile unsigned char)(generic_inw(port -1) >> 8); - } - return *(volatile unsigned char *)sh_edosk7705_isa_port2addr(port); -} - -unsigned int sh_edosk7705_inl(unsigned long port) -{ - return *(volatile unsigned long *)port; -} - -void sh_edosk7705_outb(unsigned char value, unsigned long port) -{ - if (port >= 0x300 && port < 0x320 && port & 0x01) { - generic_outw(((unsigned short)value << 8), port -1); - return; - } - *(volatile unsigned char *)sh_edosk7705_isa_port2addr(port) = value; -} - -void sh_edosk7705_outl(unsigned int value, unsigned long port) -{ - *(volatile unsigned long *)port = value; -} - -void sh_edosk7705_insb(unsigned long port, void *addr, unsigned long count) -{ - unsigned char *p = addr; - while (count--) *p++ = sh_edosk7705_inb(port); -} - -void sh_edosk7705_insl(unsigned long port, void *addr, unsigned long count) -{ - unsigned long *p = (unsigned long*)addr; - while (count--) - *p++ = *(volatile unsigned long *)port; -} - -void sh_edosk7705_outsb(unsigned long port, const void *addr, unsigned long count) -{ - unsigned char *p = (unsigned char*)addr; - while (count--) sh_edosk7705_outb(*p++, port); -} - -void sh_edosk7705_outsl(unsigned long port, const void *addr, unsigned long count) -{ - unsigned long *p = (unsigned long*)addr; - while (count--) sh_edosk7705_outl(*p++, port); -} - |