[ARM] EBSA110: Add readsw/readsl/writesw/writesl

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 48 insertions, 0 deletions

diff --git a/arch/arm/mach-ebsa110/io.c b/arch/arm/mach-ebsa110/io.c
index db38afb2aa88..bbf0d332407e 100644
--- a/arch/arm/mach-ebsa110/io.c
+++ b/arch/arm/mach-ebsa110/io.c
@@ -102,6 +102,26 @@ EXPORT_SYMBOL(__readb);
 EXPORT_SYMBOL(__readw);
 EXPORT_SYMBOL(__readl);
 
+void readsw(void __iomem *addr, void *data, int len)
+{
+        void __iomem *a = __isamem_convert_addr(addr);
+
+        BUG_ON((unsigned long)addr & 1);
+
+        __raw_readsw(a, data, len);
+}
+EXPORT_SYMBOL(readsw);
+
+void readsl(void __iomem *addr, void *data, int len)
+{
+        void __iomem *a = __isamem_convert_addr(addr);
+
+        BUG_ON((unsigned long)addr & 3);
+
+        __raw_readsl(a, data, len);
+}
+EXPORT_SYMBOL(readsl);
+
 void __writeb(u8 val, void __iomem *addr)
 {
         void __iomem *a = __isamem_convert_addr(addr);
@@ -137,6 +157,26 @@ EXPORT_SYMBOL(__writeb);
 EXPORT_SYMBOL(__writew);
 EXPORT_SYMBOL(__writel);
 
+void writesw(void __iomem *addr, void *data, int len)
+{
+        void __iomem *a = __isamem_convert_addr(addr);
+
+        BUG_ON((unsigned long)addr & 1);
+
+        __raw_writesw(a, data, len);
+}
+EXPORT_SYMBOL(writesw);
+
+void writesl(void __iomem *addr, void *data, int len)
+{
+        void __iomem *a = __isamem_convert_addr(addr);
+
+        BUG_ON((unsigned long)addr & 3);
+
+        __raw_writesl(a, data, len);
+}
+EXPORT_SYMBOL(writesl);
+
 #define SUPERIO_PORT(p) \
         (((p) >> 3) == (0x3f8 >> 3) || \
          ((p) >> 3) == (0x2f8 >> 3) || \
diff --git a/include/asm-arm/arch-ebsa110/io.h b/include/asm-arm/arch-ebsa110/io.h
index 722c5e086285..44a4001de807 100644
--- a/include/asm-arm/arch-ebsa110/io.h
+++ b/include/asm-arm/arch-ebsa110/io.h
@@ -81,4 +81,12 @@ extern void outsb(unsigned int port, const void *buf, int sz);
 extern void outsw(unsigned int port, const void *buf, int sz);
 extern void outsl(unsigned int port, const void *buf, int sz);
 
+/* can't support writesb atm */
+extern void writesw(void __iomem *addr, const void *data, int wordlen);
+extern void writesl(void __iomem *addr, const void *data, int longlen);
+
+/* can't support readsb atm */
+extern void readsw(const void __iomem *addr, void *data, int wordlen);
+extern void readsl(const void __iomem *addr, void *data, int longlen);
+
 #endif