From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WXwNA-0005ZO-Gd for barebox@lists.infradead.org; Wed, 09 Apr 2014 17:33:17 +0000 From: Sascha Hauer Date: Wed, 9 Apr 2014 19:32:49 +0200 Message-Id: <1397064769-20988-1-git-send-email-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] openrisc: Use generic io accessors To: barebox@lists.infradead.org openrisc does nothing special in the io accessors, so use the generic ones as the kernel. Signed-off-by: Sascha Hauer --- arch/openrisc/include/asm/io.h | 101 ++--------------------------------------- 1 file changed, 3 insertions(+), 98 deletions(-) diff --git a/arch/openrisc/include/asm/io.h b/arch/openrisc/include/asm/io.h index 90abb42..05580bd 100644 --- a/arch/openrisc/include/asm/io.h +++ b/arch/openrisc/include/asm/io.h @@ -16,104 +16,9 @@ #ifndef __ASM_OPENRISC_IO_H #define __ASM_OPENRISC_IO_H -#include - -/* - * Given a physical address and a length, return a virtual address - * that can be used to access the memory range with the caching - * properties specified by "flags". - */ -#define MAP_NOCACHE (0) -#define MAP_WRCOMBINE (0) -#define MAP_WRBACK (0) -#define MAP_WRTHROUGH (0) - -static inline void * -map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) -{ - return (void *)paddr; -} - -/* - * Take down a mapping set up by map_physmem(). - */ -static inline void unmap_physmem(void *vaddr, unsigned long flags) -{ - -} - -/* - * Change virtual addresses to physical addresses - */ -static inline phys_addr_t virt_to_phys(void *vaddr) -{ - return (phys_addr_t)(vaddr); -} - - -/* - * readX/writeX() are used to access memory mapped devices. On some - * architectures the memory mapped IO stuff needs to be accessed - * differently. On the openrisc architecture, we just read/write the - * memory location directly. - */ -#define readb(addr) (*(volatile unsigned char *) (addr)) -#define readw(addr) (*(volatile unsigned short *) (addr)) -#define readl(addr) (*(volatile unsigned int *) (addr)) -#define __raw_readb readb -#define __raw_readw readw -#define __raw_readl readl - -#define writeb(b, addr) ((*(volatile unsigned char *) (addr)) = (b)) -#define writew(b, addr) ((*(volatile unsigned short *) (addr)) = (b)) -#define writel(b, addr) ((*(volatile unsigned int *) (addr)) = (b)) -#define __raw_writeb writeb -#define __raw_writew writew -#define __raw_writel writel - -#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)) +#define IO_SPACE_LIMIT 0x0 -#define out_be32(a, v) __raw_writel((v), (void __iomem __force *)(a)) -#define out_be16(a, v) __raw_writew((v), (a)) - -#define in_be32(a) __raw_readl((const void __iomem __force *)(a)) -#define in_be16(a) __raw_readw(a) - -#define writel_be(v, a) out_be32((__force unsigned *)a, v) -#define readl_be(a) in_be32((__force unsigned *)a) - -/* - * Again, OpenRISC does not require mem IO specific function. - */ - - -#define IO_BASE 0x0 -#define IO_SPACE_LIMIT 0xffffffff - -#define inb(port) readb((port + IO_BASE)) -#define outb(value, port) writeb((value), (port + IO_BASE)) -#define inb_p(port) inb((port)) -#define outb_p(value, port) outb((value), (port)) - -/* - * 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 - -#define ioread8(addr) readb(addr) -#define ioread16(addr) readw(addr) -#define ioread32(addr) readl(addr) - -#define iowrite8(v, addr) writeb((v), (addr)) -#define iowrite16(v, addr) writew((v), (addr)) -#define iowrite32(v, addr) writel((v), (addr)) +#include +#include #endif -- 1.9.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox