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Diffstat (limited to 'arch/sh/kernel/io_generic.c')
| -rw-r--r-- | arch/sh/kernel/io_generic.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/arch/sh/kernel/io_generic.c b/arch/sh/kernel/io_generic.c deleted file mode 100644 index 5a7f554d9ca..00000000000 --- a/arch/sh/kernel/io_generic.c +++ /dev/null @@ -1,189 +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; - -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) -{ - volatile u8 *port_addr; - u8 *buf = dst; - - port_addr = (volatile u8 __force *)__ioport_map(port, 1); - while (count--) - *buf++ = *port_addr; -} - -void generic_insw(unsigned long port, void *dst, unsigned long count) -{ - volatile u16 *port_addr; - u16 *buf = dst; - - port_addr = (volatile u16 __force *)__ioport_map(port, 2); - while (count--) - *buf++ = *port_addr; - - dummy_read(); -} - -void generic_insl(unsigned long port, void *dst, unsigned long count) -{ - volatile u32 *port_addr; - u32 *buf = dst; - - port_addr = (volatile u32 __force *)__ioport_map(port, 4); - while (count--) - *buf++ = *port_addr; - - 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) -{ - volatile u8 *port_addr; - const u8 *buf = src; - - port_addr = (volatile u8 __force *)__ioport_map(port, 1); - - while (count--) - *port_addr = *buf++; -} - -void generic_outsw(unsigned long port, const void *src, unsigned long count) -{ - volatile u16 *port_addr; - const u16 *buf = src; - - port_addr = (volatile u16 __force *)__ioport_map(port, 2); - - while (count--) - *port_addr = *buf++; - - dummy_read(); -} - -void generic_outsl(unsigned long port, const void *src, unsigned long count) -{ - volatile u32 *port_addr; - const u32 *buf = src; - - port_addr = (volatile u32 __force *)__ioport_map(port, 4); - while (count--) - *port_addr = *buf++; - - dummy_read(); -} - -void __iomem *generic_ioport_map(unsigned long addr, unsigned int size) -{ - return (void __iomem *)(addr + generic_io_base); -} - -void generic_ioport_unmap(void __iomem *addr) -{ -} |