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Diffstat (limited to 'arch/sh/include/asm/io.h')
-rw-r--r--arch/sh/include/asm/io.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 25348141674..5be45ea4dfe 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -92,8 +92,12 @@
static inline void ctrl_delay(void)
{
-#ifdef P2SEG
+#ifdef CONFIG_CPU_SH4
+ __raw_readw(CCN_PVR);
+#elif defined(P2SEG)
__raw_readw(P2SEG);
+#else
+#error "Need a dummy address for delay"
#endif
}
@@ -146,6 +150,7 @@ __BUILD_MEMORY_STRING(q, u64)
#define readl_relaxed(a) readl(a)
#define readq_relaxed(a) readq(a)
+#ifndef CONFIG_GENERIC_IOMAP
/* Simple MMIO */
#define ioread8(a) __raw_readb(a)
#define ioread16(a) __raw_readw(a)
@@ -166,6 +171,15 @@ __BUILD_MEMORY_STRING(q, u64)
#define iowrite8_rep(a, s, c) __raw_writesb((a), (s), (c))
#define iowrite16_rep(a, s, c) __raw_writesw((a), (s), (c))
#define iowrite32_rep(a, s, c) __raw_writesl((a), (s), (c))
+#endif
+
+#define mmio_insb(p,d,c) __raw_readsb(p,d,c)
+#define mmio_insw(p,d,c) __raw_readsw(p,d,c)
+#define mmio_insl(p,d,c) __raw_readsl(p,d,c)
+
+#define mmio_outsb(p,s,c) __raw_writesb(p,s,c)
+#define mmio_outsw(p,s,c) __raw_writesw(p,s,c)
+#define mmio_outsl(p,s,c) __raw_writesl(p,s,c)
/* synco on SH-4A, otherwise a nop */
#define mmiowb() wmb()