From 9a24ac5b8c947665253a616bfc273e0ccb141e41 Mon Sep 17 00:00:00 2001 From: blogic Date: Sun, 11 May 2008 14:13:15 +0000 Subject: add u-boot sources for danube git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11108 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../u-boot/files/cpu/mips/danube/incaip_wdt.S | 75 ++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 target/linux/ifxmips/image/u-boot/files/cpu/mips/danube/incaip_wdt.S (limited to 'target/linux/ifxmips/image/u-boot/files/cpu/mips/danube/incaip_wdt.S') diff --git a/target/linux/ifxmips/image/u-boot/files/cpu/mips/danube/incaip_wdt.S b/target/linux/ifxmips/image/u-boot/files/cpu/mips/danube/incaip_wdt.S new file mode 100644 index 000000000..0c6b5e201 --- /dev/null +++ b/target/linux/ifxmips/image/u-boot/files/cpu/mips/danube/incaip_wdt.S @@ -0,0 +1,75 @@ +/* + * INCA-IP Watchdog timer management code. + * + * Copyright (c) 2003 Wolfgang Denk + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + + +#include +#include +#include + +#ifdef CONFIG_INCA_IP + +#define WD_BASE 0xb8000000 +#define WD_CON0(value) 0x0020(value) +#define WD_CON1(value) 0x0024(value) +#define WD_DISABLE 0x00000008 +#define WD_ENABLE 0x00000000 +#define WD_WRITE_PW 0xFFFC00F8 +#define WD_WRITE_ENDINIT 0xFFFC00F3 +#define WD_WRITE_INIT 0xFFFC00F2 + + + .globl disable_incaip_wdt +disable_incaip_wdt: + li t0, WD_BASE + + /* Calculate password. + */ + lw t2, WD_CON1(t0) + and t2, 0xC + + lw t3, WD_CON0(t0) + and t3, 0xFFFFFF01 + + or t3, t2 + or t3, 0xF0 + + sw t3, WD_CON0(t0) /* write password */ + + /* Clear ENDINIT. + */ + li t1, WD_WRITE_INIT + sw t1, WD_CON0(t0) + + + li t1, WD_DISABLE + sw t1, WD_CON1(t0) /* disable watchdog */ + li t1, WD_WRITE_PW + sw t1, WD_CON0(t0) /* write password */ + li t1, WD_WRITE_ENDINIT + sw t1, WD_CON0(t0) /* end command */ + + j ra + nop + +#endif /* CONFIG_INCA_IP */ -- cgit v1.2.3