Fix endianess bugs.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/include/asm-mips/vga.h b/include/asm-mips/vga.h
index 6b35cf054c795608152a33eb95aaa0f95a21a1e1..ca5cec97e16711a02b5800d18b88fd4b94020b4f 100644 (file)
--- a/include/asm-mips/vga.h
+++ b/include/asm-mips/vga.h
@@ -6,6 +6,8 @@
 #ifndef _ASM_VGA_H
 #define _ASM_VGA_H
 
+#include <asm/byteorder.h>
+
 /*
  *     On the PC, we can just recalculate addresses and then
  *     access the videoram directly without any black magic.
@@ -16,4 +18,27 @@
 #define vga_readb(x)   (*(x))
 #define vga_writeb(x,y)        (*(y) = (x))
 
+#define VT_BUF_HAVE_RW
+/*
+ *  These are only needed for supporting VGA or MDA text mode, which use little
+ *  endian byte ordering.
+ *  In other cases, we can optimize by using native byte ordering and
+ *  <linux/vt_buffer.h> has already done the right job for us.
+ */
+
+static inline void scr_writew(u16 val, volatile u16 *addr)
+{
+       *addr = cpu_to_le16(val);
+}
+
+static inline u16 scr_readw(volatile const u16 *addr)
+{
+       return le16_to_cpu(*addr);
+}
+
+#define scr_memcpyw(d, s, c) memcpy(d, s, c)
+#define scr_memmovew(d, s, c) memmove(d, s, c)
+#define VT_BUF_HAVE_MEMCPYW
+#define VT_BUF_HAVE_MEMMOVEW
+
 #endif /* _ASM_VGA_H */