MIPS: RBTX4939: Add smc91x support

Add smc91x platform device to RBTX4939 board and some hacks for big endian.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-tx49xx/mangle-port.h b/arch/mips/include/asm/mach-tx49xx/mangle-port.h
new file mode 100644
index 000000000000..5e6912fdd0ed
--- /dev/null
+++ b/arch/mips/include/asm/mach-tx49xx/mangle-port.h
@@ -0,0 +1,26 @@
+#ifndef __ASM_MACH_TX49XX_MANGLE_PORT_H
+#define __ASM_MACH_TX49XX_MANGLE_PORT_H
+
+#define __swizzle_addr_b(port)  (port)
+#define __swizzle_addr_w(port)  (port)
+#define __swizzle_addr_l(port)  (port)
+#define __swizzle_addr_q(port)  (port)
+
+#define ioswabb(a, x)           (x)
+#define __mem_ioswabb(a, x)     (x)
+#if defined(CONFIG_TOSHIBA_RBTX4939) && \
+        (defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)) && \
+        defined(__BIG_ENDIAN)
+#define NEEDS_TXX9_IOSWABW
+extern u16 (*ioswabw)(volatile u16 *a, u16 x);
+extern u16 (*__mem_ioswabw)(volatile u16 *a, u16 x);
+#else
+#define ioswabw(a, x)           le16_to_cpu(x)
+#define __mem_ioswabw(a, x)     (x)
+#endif
+#define ioswabl(a, x)           le32_to_cpu(x)
+#define __mem_ioswabl(a, x)     (x)
+#define ioswabq(a, x)           le64_to_cpu(x)
+#define __mem_ioswabq(a, x)     (x)
+
+#endif /* __ASM_MACH_TX49XX_MANGLE_PORT_H */