Merge branch 'master' of git://git.denx.de/u-boot-blackfin

[u-boot] / include / asm-blackfin / io.h

diff --git a/include/asm-blackfin/io.h b/include/asm-blackfin/io.h
index 5d4266838dc56e5e91a432cab81cbbf89bcfc899..68064949834636a82e505f711bc92bd51305210a 100644 (file)
--- a/include/asm-blackfin/io.h
+++ b/include/asm-blackfin/io.h
@@ -27,7 +27,12 @@
 
 #ifdef __KERNEL__
 
-#include <linux/config.h>
+#include <asm/blackfin.h>
+
+static inline void sync(void)
+{
+       SSYNC();
+}
 
 /* function prototypes for CF support */
 extern void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words);
@@ -35,18 +40,11 @@ extern void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words);
 extern unsigned char cf_inb(volatile unsigned char *addr);
 extern void cf_outb(unsigned char val, volatile unsigned char *addr);
 
-static inline void sync(void)
-{
-       __builtin_bfin_ssync();
-}
-
 /*
  * 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".
  */
-typedef unsigned long phys_addr_t;
-
 #define MAP_NOCACHE    (0)
 #define MAP_WRCOMBINE  (0)
 #define MAP_WRBACK     (0)
@@ -66,6 +64,11 @@ static inline void unmap_physmem(void *vaddr, unsigned long flags)
 
 }
 
+static inline phys_addr_t virt_to_phys(void * vaddr)
+{
+       return (phys_addr_t)(vaddr);
+}
+
 /*
  * These are for ISA/PCI shared memory _only_ and should never be used
  * on any other type of memory, including Zorro memory. They are meant to
@@ -77,43 +80,72 @@ static inline void unmap_physmem(void *vaddr, unsigned long flags)
  * memory location directly.
  */
 
-#define readb(addr)            ({ unsigned char __v = (*(volatile unsigned char *) (addr));asm("ssync;"); __v; })
-#define readw(addr)            ({ unsigned short __v = (*(volatile unsigned short *) (addr)); asm("ssync;");__v; })
-#define readl(addr)            ({ unsigned int __v = (*(volatile unsigned int *) (addr));asm("ssync;"); __v; })
+#ifndef __ASSEMBLY__
+
+static inline unsigned char readb(const volatile void *addr)
+{
+       unsigned int val;
+       int tmp;
+
+       __asm__ __volatile__ ("cli %1;\n\t"
+                       "NOP; NOP; SSYNC;\n\t"
+                       "%0 = b [%2] (z);\n\t"
+                       "sti %1;\n\t"
+                       : "=d"(val), "=d"(tmp): "a"(addr));
+
+       return (unsigned char) val;
+}
+
+static inline unsigned short readw(const volatile void *addr)
+{
+       unsigned int val;
+       int tmp;
+
+       __asm__ __volatile__ ("cli %1;\n\t"
+                       "NOP; NOP; SSYNC;\n\t"
+                       "%0 = w [%2] (z);\n\t"
+                       "sti %1;\n\t"
+                       : "=d"(val), "=d"(tmp): "a"(addr));
+
+       return (unsigned short) val;
+}
+
+static inline unsigned int readl(const volatile void *addr)
+{
+       unsigned int val;
+       int tmp;
+
+       __asm__ __volatile__ ("cli %1;\n\t"
+                       "NOP; NOP; SSYNC;\n\t"
+                       "%0 = [%2];\n\t"
+                       "sti %1;\n\t"
+                       : "=d"(val), "=d"(tmp): "a"(addr));
+       return val;
+}
+
 #define __raw_readb readb
 #define __raw_readw readw
 #define __raw_readl readl
 
-#define writeb(b,addr)         {((*(volatile unsigned char *) (addr)) = (b)); asm("ssync;");}
-#define writew(b,addr)         {((*(volatile unsigned short *) (addr)) = (b)); asm("ssync;");}
-#define writel(b,addr)         {((*(volatile unsigned int *) (addr)) = (b)); asm("ssync;");}
+#endif /*  __ASSEMBLY__ */
+
+#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))
 #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 inb_p(addr)            readb((addr) + BF533_PCIIO_BASE)
-#define inb(addr)              cf_inb((volatile unsigned char*)(addr))
-
-#define outb(x,addr)           cf_outb((unsigned char)(x), (volatile unsigned char*)(addr))
-#define outb_p(x,addr)         outb(x, (addr) + BF533_PCIIO_BASE)
-
-#define inw(addr)              readw((addr) + BF533_PCIIO_BASE)
-#define inl(addr)              readl((addr) + BF533_PCIIO_BASE)
+#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 outw(x,addr)           writew(x, (addr) + BF533_PCIIO_BASE)
-#define outl(x,addr)           writel(x, (addr) + BF533_PCIIO_BASE)
+#define inb(addr)              cf_inb((volatile unsigned char *)(addr))
+#define outb(x, addr)          cf_outb((unsigned char)(x), (volatile unsigned char *)(addr))
 
-#define insb(port, addr, count)        memcpy((void*)addr, (void*)(BF533_PCIIO_BASE + port), count)
-#define insw(port, addr, count)        cf_insw((unsigned short*)addr, (unsigned short*)(port), (count))
-#define insl(port, addr, count)        memcpy((void*)addr, (void*)(BF533_PCIIO_BASE + port), (4*count))
+#define insw(port, addr, count)        cf_insw((unsigned short *)addr, (unsigned short *)(port), (count))
 
-#define outsb(port,addr,count) memcpy((void*)(BF533_PCIIO_BASE + port), (void*)addr, count)
-#define outsw(port,addr,count) cf_outsw((unsigned short*)(port), (unsigned short*)addr, (count))
-#define outsl(port,addr,count) memcpy((void*)(BF533_PCIIO_BASE + port), (void*)addr, (4*count))
+#define outsw(port, addr, count)       cf_outsw((unsigned short *)(port), (unsigned short *)addr, (count))
 
 #define IO_SPACE_LIMIT         0xffff
 
@@ -149,9 +181,9 @@ extern inline void *ioremap_fullcache(unsigned long physaddr,
 extern void iounmap(void *addr);
 
 extern void blkfin_inv_cache_all(void);
-#define dma_cache_inv(_start,_size)            do { blkfin_inv_cache_all();} while (0)
-#define dma_cache_wback(_start,_size)          do { } while (0)
-#define dma_cache_wback_inv(_start,_size)      do { blkfin_inv_cache_all();} while (0)
+#define dma_cache_inv(_start, _size)           do { blkfin_inv_cache_all(); } while (0)
+#define dma_cache_wback(_start, _size)         do { } while (0)
+#define dma_cache_wback_inv(_start, _size)     do { blkfin_inv_cache_all(); } while (0)
 
 #endif
 #endif