[MIPS] Convert to RTC-class ds1742 driver

The generic rtc-ds1742 driver can be used for RBTX4927 and JMR3927
(with __swizzle_addr trick).  This patch also removes MIPS local
DS1742 stuff.

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

1 files changed, 18 insertions, 0 deletions

diff --git a/include/asm-mips/mach-jmr3927/mangle-port.h b/include/asm-mips/mach-jmr3927/mangle-port.h
new file mode 100644
index 000000000000..501a202631b5
--- /dev/null
+++ b/include/asm-mips/mach-jmr3927/mangle-port.h
@@ -0,0 +1,18 @@
+#ifndef __ASM_MACH_JMR3927_MANGLE_PORT_H
+#define __ASM_MACH_JMR3927_MANGLE_PORT_H
+
+extern unsigned long __swizzle_addr_b(unsigned long 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)
+#define ioswabw(a,x)            le16_to_cpu(x)
+#define __mem_ioswabw(a,x)      (x)
+#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_JMR3927_MANGLE_PORT_H */