[MIPS] TXx9: Reorganize code

Move arch/mips/{jmr3927,tx4927,tx4938} into arch/mips/txx9/ tree.
This will help more code sharing and maintainance.

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/rbtx4927.h b/include/asm-mips/txx9/rbtx4927.h
new file mode 100644
index 0000000..5531342
--- /dev/null
+++ b/include/asm-mips/txx9/rbtx4927.h
@@ -0,0 +1,49 @@
+/*
+ * Author: MontaVista Software, Inc.
+ *         source@mvista.com
+ *
+ * Copyright 2001-2002 MontaVista Software Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the
+ *  Free Software Foundation; either version 2 of the License, or (at your
+ *  option) any later version.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#ifndef __ASM_TXX9_RBTX4927_H
+#define __ASM_TXX9_RBTX4927_H
+
+#include <asm/txx9/tx4927.h>
+
+#ifdef CONFIG_PCI
+#define TBTX4927_ISA_IO_OFFSET TX4927_PCIIO
+#else
+#define TBTX4927_ISA_IO_OFFSET 0
+#endif
+
+#define RBTX4927_SW_RESET_DO         (void __iomem *)0xbc00f000UL
+#define RBTX4927_SW_RESET_DO_SET                0x01
+
+#define RBTX4927_SW_RESET_ENABLE     (void __iomem *)0xbc00f002UL
+#define RBTX4927_SW_RESET_ENABLE_SET            0x01
+
+#define RBTX4927_RTL_8019_BASE (0x1c020280-TBTX4927_ISA_IO_OFFSET)
+#define RBTX4927_RTL_8019_IRQ  (TX4927_IRQ_PIC_BEG + 5)
+
+int toshiba_rbtx4927_irq_nested(int sw_irq);
+
+#endif /* __ASM_TXX9_RBTX4927_H */