4 files changed, 27 insertions, 52 deletions

diff --git a/arch/mips/tx4938/common/Makefile b/arch/mips/tx4938/common/Makefile
index eff3d1d47f88..56aa1ed1ee0c 100644
--- a/arch/mips/tx4938/common/Makefile
+++ b/arch/mips/tx4938/common/Makefile
@@ -2,7 +2,7 @@
 # Makefile for common code for Toshiba TX4927 based systems
 #
 
-obj-y   += prom.o setup.o irq.o
+obj-y   += prom.o irq.o
 obj-$(CONFIG_KGDB) += dbgio.o
 
 EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/tx4938/common/setup.c b/arch/mips/tx4938/common/setup.c
deleted file mode 100644
index 3ba4101d141e..000000000000
--- a/arch/mips/tx4938/common/setup.c
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * linux/arch/mips/tx4938/common/setup.c
- *
- * common tx4938 setup routines
- *
- * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
- * terms of the GNU General Public License version 2. This program is
- * licensed "as is" without any warranty of any kind, whether express
- * or implied.
- *
- * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
- */
-
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/irq.h>
-#include <linux/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
-#include <asm/time.h>
-#include <asm/tx4938/rbtx4938.h>
-
-extern void toshiba_rbtx4938_setup(void);
-
-void __init tx4938_setup(void);
-void dump_cp0(char *key);
-
-void __init
-plat_mem_setup(void)
-{
-        toshiba_rbtx4938_setup();
-}
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/prom.c b/arch/mips/tx4938/toshiba_rbtx4938/prom.c
index 69f21c1b7942..1644bffa501a 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/prom.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/prom.c
@@ -47,7 +47,6 @@ void __init prom_init(void)
 #ifndef CONFIG_TX4938_NAND_BOOT
         prom_init_cmdline();
 #endif
-        mips_machtype = MACH_TOSHIBA_RBTX4938;
 
         msize = tx4938_get_mem_size();
         add_memory_region(0, msize << 20, BOOT_MEM_RAM);
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/setup.c b/arch/mips/tx4938/toshiba_rbtx4938/setup.c
index 632e5d201353..61249f049cd6 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/setup.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/setup.c
@@ -24,16 +24,12 @@
 
 #include <asm/wbflush.h>
 #include <asm/reboot.h>
-#include <asm/irq.h>
 #include <asm/time.h>
 #include <asm/txx9tmr.h>
-#include <asm/uaccess.h>
 #include <asm/io.h>
 #include <asm/bootinfo.h>
 #include <asm/tx4938/rbtx4938.h>
 #ifdef CONFIG_SERIAL_TXX9
-#include <linux/tty.h>
-#include <linux/serial.h>
 #include <linux/serial_core.h>
 #endif
 #include <linux/spi/spi.h>
@@ -728,6 +724,8 @@ void __init tx4938_board_setup(void)
         /* CCFG */
         /* clear WatchDogReset,BusErrorOnWrite flag (W1C) */
         tx4938_ccfgptr->ccfg |= TX4938_CCFG_WDRST | TX4938_CCFG_BEOW;
+        /* do reset on watchdog */
+        tx4938_ccfgptr->ccfg |= TX4938_CCFG_WR;
         /* clear PCIC1 reset */
         if (tx4938_ccfgptr->clkctr & TX4938_CLKCTR_PCIC1RST)
                 tx4938_ccfgptr->clkctr &= ~TX4938_CLKCTR_PCIC1RST;
@@ -855,7 +853,7 @@ void __init plat_time_init(void)
                                      txx9_gbus_clock / 2);
 }
 
-void __init toshiba_rbtx4938_setup(void)
+void __init plat_mem_setup(void)
 {
         unsigned long long pcfg;
         char *argptr;
@@ -1125,12 +1123,35 @@ static int __init rbtx4938_spi_init(void)
 }
 arch_initcall(rbtx4938_spi_init);
 
+/* Watchdog support */
+
+static int __init txx9_wdt_init(unsigned long base)
+{
+        struct resource res = {
+                .start  = base,
+                .end    = base + 0x100 - 1,
+                .flags  = IORESOURCE_MEM,
+                .parent = &tx4938_reg_resource,
+        };
+        struct platform_device *dev =
+                platform_device_register_simple("txx9wdt", -1, &res, 1);
+        return IS_ERR(dev) ? PTR_ERR(dev) : 0;
+}
+
+static int __init rbtx4938_wdt_init(void)
+{
+        return txx9_wdt_init(TX4938_TMR_REG(2) & 0xfffffffffULL);
+}
+device_initcall(rbtx4938_wdt_init);
+
 /* Minimum CLK support */
 
 struct clk *clk_get(struct device *dev, const char *id)
 {
         if (!strcmp(id, "spi-baseclk"))
                 return (struct clk *)(txx9_gbus_clock / 2 / 4);
+        if (!strcmp(id, "imbus_clk"))
+                return (struct clk *)(txx9_gbus_clock / 2);
         return ERR_PTR(-ENOENT);
 }
 EXPORT_SYMBOL(clk_get);