[MIPS] TXx9: Add 64-bit support

SYS_SUPPORTS_64BIT_KERNEL is enabled for RBTX4927/RBTX4938, but
actually it was broken for long time (or from the beginning).  Now it
should work.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/txx9/rbtx4938.h b/include/asm-mips/txx9/rbtx4938.h
index 2f5d5e7..9f0441a 100644
--- a/include/asm-mips/txx9/rbtx4938.h
+++ b/include/asm-mips/txx9/rbtx4938.h
@@ -15,35 +15,31 @@
 #include <asm/txx9irq.h>
 #include <asm/txx9/tx4938.h>
 
-/* CS */
-#define RBTX4938_CE0	0x1c000000	/* 64M */
-#define RBTX4938_CE2	0x17f00000	/* 1M */
-
 /* Address map */
-#define RBTX4938_FPGA_REG_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00000000)
-#define RBTX4938_FPGA_REV_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00000002)
-#define RBTX4938_CONFIG1_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00000004)
-#define RBTX4938_CONFIG2_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00000006)
-#define RBTX4938_CONFIG3_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00000008)
-#define RBTX4938_LED_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00001000)
-#define RBTX4938_DIPSW_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00001002)
-#define RBTX4938_BDIPSW_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00001004)
-#define RBTX4938_IMASK_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00002000)
-#define RBTX4938_IMASK2_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00002002)
-#define RBTX4938_INTPOL_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00002004)
-#define RBTX4938_ISTAT_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00002006)
-#define RBTX4938_ISTAT2_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00002008)
-#define RBTX4938_IMSTAT_ADDR	(KSEG1 + RBTX4938_CE2 + 0x0000200a)
-#define RBTX4938_IMSTAT2_ADDR	(KSEG1 + RBTX4938_CE2 + 0x0000200c)
-#define RBTX4938_SOFTINT_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00003000)
-#define RBTX4938_PIOSEL_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00005000)
-#define RBTX4938_SPICS_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00005002)
-#define RBTX4938_SFPWR_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00005008)
-#define RBTX4938_SFVOL_ADDR	(KSEG1 + RBTX4938_CE2 + 0x0000500a)
-#define RBTX4938_SOFTRESET_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00007000)
-#define RBTX4938_SOFTRESETLOCK_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00007002)
-#define RBTX4938_PCIRESET_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00007004)
-#define RBTX4938_ETHER_BASE	(KSEG1 + RBTX4938_CE2 + 0x00020000)
+#define RBTX4938_FPGA_REG_ADDR	(IO_BASE + TXX9_CE(2) + 0x00000000)
+#define RBTX4938_FPGA_REV_ADDR	(IO_BASE + TXX9_CE(2) + 0x00000002)
+#define RBTX4938_CONFIG1_ADDR	(IO_BASE + TXX9_CE(2) + 0x00000004)
+#define RBTX4938_CONFIG2_ADDR	(IO_BASE + TXX9_CE(2) + 0x00000006)
+#define RBTX4938_CONFIG3_ADDR	(IO_BASE + TXX9_CE(2) + 0x00000008)
+#define RBTX4938_LED_ADDR	(IO_BASE + TXX9_CE(2) + 0x00001000)
+#define RBTX4938_DIPSW_ADDR	(IO_BASE + TXX9_CE(2) + 0x00001002)
+#define RBTX4938_BDIPSW_ADDR	(IO_BASE + TXX9_CE(2) + 0x00001004)
+#define RBTX4938_IMASK_ADDR	(IO_BASE + TXX9_CE(2) + 0x00002000)
+#define RBTX4938_IMASK2_ADDR	(IO_BASE + TXX9_CE(2) + 0x00002002)
+#define RBTX4938_INTPOL_ADDR	(IO_BASE + TXX9_CE(2) + 0x00002004)
+#define RBTX4938_ISTAT_ADDR	(IO_BASE + TXX9_CE(2) + 0x00002006)
+#define RBTX4938_ISTAT2_ADDR	(IO_BASE + TXX9_CE(2) + 0x00002008)
+#define RBTX4938_IMSTAT_ADDR	(IO_BASE + TXX9_CE(2) + 0x0000200a)
+#define RBTX4938_IMSTAT2_ADDR	(IO_BASE + TXX9_CE(2) + 0x0000200c)
+#define RBTX4938_SOFTINT_ADDR	(IO_BASE + TXX9_CE(2) + 0x00003000)
+#define RBTX4938_PIOSEL_ADDR	(IO_BASE + TXX9_CE(2) + 0x00005000)
+#define RBTX4938_SPICS_ADDR	(IO_BASE + TXX9_CE(2) + 0x00005002)
+#define RBTX4938_SFPWR_ADDR	(IO_BASE + TXX9_CE(2) + 0x00005008)
+#define RBTX4938_SFVOL_ADDR	(IO_BASE + TXX9_CE(2) + 0x0000500a)
+#define RBTX4938_SOFTRESET_ADDR	(IO_BASE + TXX9_CE(2) + 0x00007000)
+#define RBTX4938_SOFTRESETLOCK_ADDR	(IO_BASE + TXX9_CE(2) + 0x00007002)
+#define RBTX4938_PCIRESET_ADDR	(IO_BASE + TXX9_CE(2) + 0x00007004)
+#define RBTX4938_ETHER_BASE	(IO_BASE + TXX9_CE(2) + 0x00020000)
 
 /* Ethernet port address (Jumperless Mode (W12:Open)) */
 #define RBTX4938_ETHER_ADDR	(RBTX4938_ETHER_BASE + 0x280)