diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/include/asm/io.h')
| -rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/include/asm/io.h | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/include/asm/io.h b/target/linux/ubicom32/files/arch/ubicom32/include/asm/io.h deleted file mode 100644 index ad526a3385..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/include/asm/io.h +++ /dev/null @@ -1,313 +0,0 @@ -/* - * arch/ubicom32/include/asm/io.h - * I/O memory accessor functions for Ubicom32 architecture. - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port is free software: you can redistribute - * it and/or modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, either version 2 of the - * License, or (at your option) any later version. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#ifndef _ASM_UBICOM32_IO_H -#define _ASM_UBICOM32_IO_H - -#ifdef __KERNEL__ -#include <linux/string.h> -#include <linux/compiler.h> - -static inline unsigned short _swapw(volatile unsigned short v) -{ - return ((v << 8) | (v >> 8)); -} - -static inline unsigned int _swapl(volatile unsigned long v) -{ - return ((v << 24) | ((v & 0xff00) << 8) | ((v & 0xff0000) >> 8) | (v >> 24)); -} - -#ifndef CONFIG_PCI -#define readb(addr) \ - ({ unsigned char __v = (*(volatile unsigned char *) (addr)); __v; }) -#define readw(addr) \ - ({ unsigned short __v = (*(volatile unsigned short *) (addr)); __v; }) -#define readl(addr) \ - ({ unsigned int __v = (*(volatile unsigned int *) (addr)); __v; }) - -#define writeb(b,addr) (void)((*(volatile unsigned char *) (addr)) = (b)) -#define writew(b,addr) (void)((*(volatile unsigned short *) (addr)) = (b)) -#define writel(b,addr) (void)((*(volatile unsigned int *) (addr)) = (b)) -#else /*CONFIG_PCI */ - -#define PCI_CPU_REG_BASE (0x00000000UL) /* taking lower 2GB space */ -#define PCI_DEV_REG_BASE (0x80000000UL) - -#if PCI_CPU_REG_BASE > PCI_DEV_REG_BASE -#define IS_PCI_ADDRESS(x) (((unsigned int)(x)&(PCI_CPU_REG_BASE)) == 0) -#else -#define IS_PCI_ADDRESS(x) ((unsigned int)(x)&(PCI_DEV_REG_BASE)) -#endif - -extern unsigned int ubi32_pci_read_u32(const volatile void __iomem *addr); -extern unsigned short ubi32_pci_read_u16(const volatile void __iomem *addr); -extern unsigned char ubi32_pci_read_u8(const volatile void __iomem *addr); -extern void ubi32_pci_write_u32(unsigned int val, const volatile void __iomem *addr); -extern void ubi32_pci_write_u16(unsigned short val, const volatile void __iomem *addr); -extern void ubi32_pci_write_u8(unsigned char val, const volatile void __iomem *addr); - -static inline unsigned char readb(const volatile void __iomem *addr) -{ - if (IS_PCI_ADDRESS(addr)) - return ubi32_pci_read_u8(addr); - else - return (unsigned char)(*(volatile unsigned char *)addr); -} -static inline unsigned short readw(const volatile void __iomem *addr) -{ - if (IS_PCI_ADDRESS(addr)) - return ubi32_pci_read_u16(addr); - else - return (unsigned short)(*(volatile unsigned short *)addr); -} - -static inline unsigned int readl(const volatile void __iomem *addr) -{ - if (IS_PCI_ADDRESS(addr)) - return ubi32_pci_read_u32(addr); - else - return (unsigned int)(*(volatile unsigned int *)addr); -} - -static inline void writel(unsigned int val, volatile void __iomem *addr) -{ - if (IS_PCI_ADDRESS(addr)) - ubi32_pci_write_u32(val, addr); - else - *(volatile unsigned int *)addr = val; -} - -static inline void writew(unsigned short val, volatile void __iomem *addr) -{ - if (IS_PCI_ADDRESS(addr)) - ubi32_pci_write_u16(val, addr); - else - *(volatile unsigned short *)addr = val; -} - -static inline void writeb(unsigned char val, volatile void __iomem *addr) -{ - if (IS_PCI_ADDRESS(addr)) - ubi32_pci_write_u8(val, addr); - else - *(volatile unsigned char *)addr = val; -} -#endif - -#define readb_relaxed(addr) readb(addr) -#define readw_relaxed(addr) readw(addr) -#define readl_relaxed(addr) readl(addr) - - -#define __raw_readb readb -#define __raw_readw readw -#define __raw_readl readl -#define __raw_writeb writeb -#define __raw_writew writew -#define __raw_writel writel - -static inline void io_outsb(unsigned int addr, const void *buf, int len) -{ - volatile unsigned char *ap = (volatile unsigned char *) addr; - unsigned char *bp = (unsigned char *) buf; - while (len--) - *ap = *bp++; -} - -static inline void io_outsw(unsigned int addr, const void *buf, int len) -{ - volatile unsigned short *ap = (volatile unsigned short *) addr; - unsigned short *bp = (unsigned short *) buf; - while (len--) - *ap = _swapw(*bp++); -} - -static inline void io_outsl(unsigned int addr, const void *buf, int len) -{ - volatile unsigned int *ap = (volatile unsigned int *) addr; - unsigned int *bp = (unsigned int *) buf; - while (len--) - *ap = _swapl(*bp++); -} - -static inline void io_insb(unsigned int addr, void *buf, int len) -{ - volatile unsigned char *ap = (volatile unsigned char *) addr; - unsigned char *bp = (unsigned char *) buf; - while (len--) - *bp++ = *ap; -} - -static inline void io_insw(unsigned int addr, void *buf, int len) -{ - volatile unsigned short *ap = (volatile unsigned short *) addr; - unsigned short *bp = (unsigned short *) buf; - while (len--) - *bp++ = _swapw(*ap); -} - -static inline void io_insl(unsigned int addr, void *buf, int len) -{ - volatile unsigned int *ap = (volatile unsigned int *) addr; - unsigned int *bp = (unsigned int *) buf; - while (len--) - *bp++ = _swapl(*ap); -} - -#define mmiowb() - -/* - * make the short names macros so specific devices - * can override them as required - */ -#ifndef CONFIG_PCI -#define memset_io(a,b,c) memset((void *)(a),(b),(c)) -#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c)) -#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c)) -#else -extern void memcpy_fromio(void *to, const volatile void __iomem *from, unsigned len); -extern void memcpy_toio(volatile void __iomem *to, const void *from, unsigned len); -extern void memset_io(volatile void __iomem *addr, int val, size_t count); -#endif - -#define inb(addr) readb(addr) -#define inw(addr) readw(addr) -#define inl(addr) readl(addr) -#define outb(x,addr) ((void) writeb(x,addr)) -#define outw(x,addr) ((void) writew(x,addr)) -#define outl(x,addr) ((void) writel(x,addr)) - -#define inb_p(addr) inb(addr) -#define inw_p(addr) inw(addr) -#define inl_p(addr) inl(addr) -#define outb_p(x,addr) outb(x,addr) -#define outw_p(x,addr) outw(x,addr) -#define outl_p(x,addr) outl(x,addr) - -#define outsb(a,b,l) io_outsb(a,b,l) -#define outsw(a,b,l) io_outsw(a,b,l) -#define outsl(a,b,l) io_outsl(a,b,l) - -#define insb(a,b,l) io_insb(a,b,l) -#define insw(a,b,l) io_insw(a,b,l) -#define insl(a,b,l) io_insl(a,b,l) - -#ifndef CONFIG_PCI -#define ioread8_rep(a,d,c) insb(a,d,c) -#define ioread16_rep(a,d,c) insw(a,d,c) -#define ioread32_rep(a,d,c) insl(a,d,c) -#define iowrite8_rep(a,s,c) outsb(a,s,c) -#define iowrite16_rep(a,s,c) outsw(a,s,c) -#define iowrite32_rep(a,s,c) outsl(a,s,c) -#else -extern void ioread8_rep(void __iomem *port, void *buf, unsigned long count); -extern void ioread16_rep(void __iomem *port, void *buf, unsigned long count); -extern void ioread32_rep(void __iomem *port, void *buf, unsigned long count); -extern void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count); -extern void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count); -extern void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count); -#endif - - -#ifndef CONFIG_PCI -#define ioread8(X) readb(X) -#define ioread16(X) readw(X) -#define ioread32(X) readl(X) -#define iowrite8(val,X) writeb(val,X) -#define iowrite16(val,X) writew(val,X) -#define iowrite32(val,X) writel(val,X) -#else /*CONFIG_PCI */ -extern unsigned char ioread8(void __iomem *addr); -extern unsigned short ioread16(void __iomem *addr); -extern unsigned int ioread32(void __iomem *addr); -extern void iowrite8(unsigned char val, void __iomem *addr); -extern void iowrite16(unsigned short val, void __iomem *addr); -extern void iowrite32(unsigned int val, void __iomem *addr); -#endif /* CONFIG_PCI */ - -#define IO_SPACE_LIMIT 0xffff - -/* Values for nocacheflag and cmode */ -#define IOMAP_FULL_CACHING 0 -#define IOMAP_NOCACHE_SER 1 -#define IOMAP_NOCACHE_NONSER 2 -#define IOMAP_WRITETHROUGH 3 - -extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag); -extern void __iounmap(void *addr, unsigned long size); - -static inline void *ioremap(unsigned long physaddr, unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_NOCACHE_SER); -} -static inline void *ioremap_nocache(unsigned long physaddr, unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_NOCACHE_SER); -} -static inline void *ioremap_writethrough(unsigned long physaddr, unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_WRITETHROUGH); -} -static inline void *ioremap_fullcache(unsigned long physaddr, unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_FULL_CACHING); -} - -extern void iounmap(void *addr); - -#define ioport_map(port, nr) ((void __iomem*)(port)) -#define ioport_unmap(addr) - - -/* Pages to physical address... */ -#define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT) -#define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT) - -/* - * Macros used for converting between virtual and physical mappings. - */ -#define phys_to_virt(vaddr) ((void *) (vaddr)) -#define virt_to_phys(vaddr) ((unsigned long) (vaddr)) - -#define virt_to_bus virt_to_phys -#define bus_to_virt phys_to_virt - -/* - * Convert a physical pointer to a virtual kernel pointer for /dev/mem - * access - */ -#define xlate_dev_mem_ptr(p) __va(p) - -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - -#endif /* __KERNEL__ */ - -#endif /* _ASM_UBICOM32_IO_H */ |