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Diffstat (limited to 'arch/sh/kernel/io_generic.c')
| -rw-r--r-- | arch/sh/kernel/io_generic.c | 180 | 
1 files changed, 0 insertions, 180 deletions
diff --git a/arch/sh/kernel/io_generic.c b/arch/sh/kernel/io_generic.c deleted file mode 100644 index 447d78f666f..00000000000 --- a/arch/sh/kernel/io_generic.c +++ /dev/null @@ -1,180 +0,0 @@ -/* - * arch/sh/kernel/io_generic.c - * - * Copyright (C) 2000  Niibe Yutaka - * Copyright (C) 2005 - 2007 Paul Mundt - * - * Generic I/O routine. These can be used where a machine specific version - * is not required. - * - * This file is subject to the terms and conditions of the GNU General Public - * License.  See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/module.h> -#include <linux/io.h> -#include <asm/machvec.h> - -#ifdef CONFIG_CPU_SH3 -/* SH3 has a PCMCIA bug that needs a dummy read from area 6 for a - * workaround. */ -/* I'm not sure SH7709 has this kind of bug */ -#define dummy_read()	__raw_readb(0xba000000) -#else -#define dummy_read() -#endif - -unsigned long generic_io_base = 0; - -u8 generic_inb(unsigned long port) -{ -	return __raw_readb(__ioport_map(port, 1)); -} - -u16 generic_inw(unsigned long port) -{ -	return __raw_readw(__ioport_map(port, 2)); -} - -u32 generic_inl(unsigned long port) -{ -	return __raw_readl(__ioport_map(port, 4)); -} - -u8 generic_inb_p(unsigned long port) -{ -	unsigned long v = generic_inb(port); - -	ctrl_delay(); -	return v; -} - -u16 generic_inw_p(unsigned long port) -{ -	unsigned long v = generic_inw(port); - -	ctrl_delay(); -	return v; -} - -u32 generic_inl_p(unsigned long port) -{ -	unsigned long v = generic_inl(port); - -	ctrl_delay(); -	return v; -} - -/* - * insb/w/l all read a series of bytes/words/longs from a fixed port - * address. However as the port address doesn't change we only need to - * convert the port address to real address once. - */ - -void generic_insb(unsigned long port, void *dst, unsigned long count) -{ -	__raw_readsb(__ioport_map(port, 1), dst, count); -	dummy_read(); -} - -void generic_insw(unsigned long port, void *dst, unsigned long count) -{ -	__raw_readsw(__ioport_map(port, 2), dst, count); -	dummy_read(); -} - -void generic_insl(unsigned long port, void *dst, unsigned long count) -{ -	__raw_readsl(__ioport_map(port, 4), dst, count); -	dummy_read(); -} - -void generic_outb(u8 b, unsigned long port) -{ -	__raw_writeb(b, __ioport_map(port, 1)); -} - -void generic_outw(u16 b, unsigned long port) -{ -	__raw_writew(b, __ioport_map(port, 2)); -} - -void generic_outl(u32 b, unsigned long port) -{ -	__raw_writel(b, __ioport_map(port, 4)); -} - -void generic_outb_p(u8 b, unsigned long port) -{ -	generic_outb(b, port); -	ctrl_delay(); -} - -void generic_outw_p(u16 b, unsigned long port) -{ -	generic_outw(b, port); -	ctrl_delay(); -} - -void generic_outl_p(u32 b, unsigned long port) -{ -	generic_outl(b, port); -	ctrl_delay(); -} - -/* - * outsb/w/l all write a series of bytes/words/longs to a fixed port - * address. However as the port address doesn't change we only need to - * convert the port address to real address once. - */ -void generic_outsb(unsigned long port, const void *src, unsigned long count) -{ -	__raw_writesb(__ioport_map(port, 1), src, count); -	dummy_read(); -} - -void generic_outsw(unsigned long port, const void *src, unsigned long count) -{ -	__raw_writesw(__ioport_map(port, 2), src, count); -	dummy_read(); -} - -void generic_outsl(unsigned long port, const void *src, unsigned long count) -{ -	__raw_writesl(__ioport_map(port, 4), src, count); -	dummy_read(); -} - -void __iomem *generic_ioport_map(unsigned long addr, unsigned int size) -{ -#ifdef P1SEG -	if (PXSEG(addr) >= P1SEG) -		return (void __iomem *)addr; -#endif - -	return (void __iomem *)(addr + generic_io_base); -} - -void generic_ioport_unmap(void __iomem *addr) -{ -} - -#ifndef CONFIG_GENERIC_IOMAP -void __iomem *ioport_map(unsigned long port, unsigned int nr) -{ -	void __iomem *ret; - -	ret = __ioport_map_trapped(port, nr); -	if (ret) -		return ret; - -	return __ioport_map(port, nr); -} -EXPORT_SYMBOL(ioport_map); - -void ioport_unmap(void __iomem *addr) -{ -	sh_mv.mv_ioport_unmap(addr); -} -EXPORT_SYMBOL(ioport_unmap); -#endif /* CONFIG_GENERIC_IOMAP */  | 
