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authorMarek Vasut <marek.vasut@gmail.com>2010-07-22 12:07:19 +0200
committerWolfgang Denk <wd@denx.de>2010-08-07 22:34:25 +0200
commit560639806da5172147a3b1ebd99839feac38b718 (patch)
tree464aff6ee79aa131b1bb9bcfe478b3a042b5cfbe /arch
parent3df4f46f3209c067dcadc969ed02d27c97fa3632 (diff)
downloadu-boot-linaro-stable-560639806da5172147a3b1ebd99839feac38b718.tar.gz
ARM: Define __raw_readX and __raw_writeX
These functions are undefined on ARM when using __io. These are the commonly used versions and can be redefined. Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/include/asm/io.h46
1 files changed, 40 insertions, 6 deletions
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index e8f3eb13a..ff1518eb0 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -75,13 +75,47 @@ static inline phys_addr_t virt_to_phys(void * vaddr)
#define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v))
#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v))
-extern void __raw_writesb(unsigned int addr, const void *data, int bytelen);
-extern void __raw_writesw(unsigned int addr, const void *data, int wordlen);
-extern void __raw_writesl(unsigned int addr, const void *data, int longlen);
+extern inline void __raw_writesb(unsigned int addr, const void *data, int bytelen)
+{
+ uint8_t *buf = (uint8_t *)data;
+ while(bytelen--)
+ __arch_putb(*buf++, addr);
+}
+
+extern inline void __raw_writesw(unsigned int addr, const void *data, int wordlen)
+{
+ uint16_t *buf = (uint16_t *)data;
+ while(wordlen--)
+ __arch_putw(*buf++, addr);
+}
+
+extern inline void __raw_writesl(unsigned int addr, const void *data, int longlen)
+{
+ uint32_t *buf = (uint32_t *)data;
+ while(longlen--)
+ __arch_putl(*buf++, addr);
+}
-extern void __raw_readsb(unsigned int addr, void *data, int bytelen);
-extern void __raw_readsw(unsigned int addr, void *data, int wordlen);
-extern void __raw_readsl(unsigned int addr, void *data, int longlen);
+extern inline void __raw_readsb(unsigned int addr, void *data, int bytelen)
+{
+ uint8_t *buf = (uint8_t *)data;
+ while(bytelen--)
+ *buf++ = __arch_getb(addr);
+}
+
+extern inline void __raw_readsw(unsigned int addr, void *data, int wordlen)
+{
+ uint16_t *buf = (uint16_t *)data;
+ while(wordlen--)
+ *buf++ = __arch_getw(addr);
+}
+
+extern inline void __raw_readsl(unsigned int addr, void *data, int longlen)
+{
+ uint32_t *buf = (uint32_t *)data;
+ while(longlen--)
+ *buf++ = __arch_getl(addr);
+}
#define __raw_writeb(v,a) __arch_putb(v,a)
#define __raw_writew(v,a) __arch_putw(v,a)