initial merge of danube wdt code

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9727 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 67 insertions, 0 deletions

diff --git a/target/linux/danube/files/include/asm-mips/danube/danube.h b/target/linux/danube/files/include/asm-mips/danube/danube.h
index d2c925cd3..5809fd94c 100644
--- a/target/linux/danube/files/include/asm-mips/danube/danube.h
+++ b/target/linux/danube/files/include/asm-mips/danube/danube.h
@@ -285,4 +285,23 @@
 #define DANUBE_GPIO_P1_ALTSEL1	((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0050))
 #define DANUBE_GPIO_P1_DIR		((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0048))
 
+
+/*------------ WDT */
+
+#define DANUBE_WDT_BASE_ADDR	(KSEG1 + 0x1F880000)
+
+#define DANUBE_BIU_WDT_CR		((u32*)(DANUBE_WDT_BASE_ADDR + 0x03F0))
+#define DANUBE_BIU_WDT_SR		((u32*)(DANUBE_WDT_BASE_ADDR + 0x03F8))
+
+#define DANUBE_BIU_WDT_CR_GEN				(1 << 31)
+#define DANUBE_BIU_WDT_CR_DSEN				(1 << 30)
+#define DANUBE_BIU_WDT_CR_LPEN				(1 << 29)
+
+#define DANUBE_BIU_WDT_CR_CLKDIV_GET(value) (((value) >> 24) & ((1 << 2) - 1))
+#define DANUBE_BIU_WDT_CR_PWL_GET(value)	(((value) >> 26) & ((1 << 2) - 1))
+#define DANUBE_BIU_WDT_CR_PWL_SET(value)	((((1 << 2) - 1) & (value)) << 26)
+#define DANUBE_BIU_WDT_CR_PW_SET(value)		(((( 1 << 8) - 1) & (value)) << 16)
+#define DANUBE_BIU_WDT_CR_CLKDIV_SET(value)	(((( 1 << 2) - 1) & (value)) << 24)
+#define DANUBE_BIU_WDT_CR_RELOAD_SET(value)	(((( 1 << 16) - 1) & (value)) << 0)
+
 #endif
diff --git a/target/linux/danube/files/include/asm-mips/danube/danube_wdt.h b/target/linux/danube/files/include/asm-mips/danube/danube_wdt.h
new file mode 100644
index 000000000..1c31fc9ee
--- /dev/null
+++ b/target/linux/danube/files/include/asm-mips/danube/danube_wdt.h
@@ -0,0 +1,48 @@
+/*
+ *   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 program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *   Copyright (C) 2005 infineon
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+#ifndef DANUBE_WDT_H
+#define DANUBE_WDT_H
+
+/* Danube wdt ioctl control */
+#define DANUBE_WDT_IOC_MAGIC			0xc0
+#define DANUBE_WDT_IOC_START			_IOW(DANUBE_WDT_IOC_MAGIC, 0, int)
+#define DANUBE_WDT_IOC_STOP				_IO(DANUBE_WDT_IOC_MAGIC, 1)
+#define DANUBE_WDT_IOC_PING				_IO(DANUBE_WDT_IOC_MAGIC, 2)
+#define DANUBE_WDT_IOC_SET_PWL			_IOW(DANUBE_WDT_IOC_MAGIC, 3, int)
+#define DANUBE_WDT_IOC_SET_DSEN			_IOW(DANUBE_WDT_IOC_MAGIC, 4, int)
+#define DANUBE_WDT_IOC_SET_LPEN			_IOW(DANUBE_WDT_IOC_MAGIC, 5, int)
+#define DANUBE_WDT_IOC_GET_STATUS		_IOR(DANUBE_WDT_IOC_MAGIC, 6, int)
+#define DANUBE_WDT_IOC_SET_CLKDIV		_IOW(DANUBE_WDT_IOC_MAGIC, 7, int)
+
+/* password 1 and 2 */
+#define DANUBE_WDT_PW1					 0x000000BE
+#define DANUBE_WDT_PW2					 0x000000DC
+
+#define DANUBE_WDT_CLKDIV0_VAL			1
+#define DANUBE_WDT_CLKDIV1_VAL			64
+#define DANUBE_WDT_CLKDIV2_VAL			4096
+#define DANUBE_WDT_CLKDIV3_VAL			262144
+#define DANUBE_WDT_CLKDIV0				0
+#define DANUBE_WDT_CLKDIV1				1
+#define DANUBE_WDT_CLKDIV2				2
+#define DANUBE_WDT_CLKDIV3				3
+
+#endif