diff options
Diffstat (limited to 'target/linux/lantiq/patches/0020-MIPS-lantiq-adds-falcon-VPE-softdog.patch')
| -rw-r--r-- | target/linux/lantiq/patches/0020-MIPS-lantiq-adds-falcon-VPE-softdog.patch | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/target/linux/lantiq/patches/0020-MIPS-lantiq-adds-falcon-VPE-softdog.patch b/target/linux/lantiq/patches/0020-MIPS-lantiq-adds-falcon-VPE-softdog.patch deleted file mode 100644 index 9173a5de09..0000000000 --- a/target/linux/lantiq/patches/0020-MIPS-lantiq-adds-falcon-VPE-softdog.patch +++ /dev/null @@ -1,177 +0,0 @@ -From e3c377986855f820513edf2924a022a39c363908 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Thu, 29 Sep 2011 21:29:14 +0200 -Subject: [PATCH 20/24] MIPS: lantiq: adds falcon VPE softdog - ---- - arch/mips/include/asm/mach-lantiq/falcon/vpe.h | 44 ++++++++++ - arch/mips/lantiq/falcon/softdog_vpe.c | 109 ++++++++++++++++++++++++ - 2 files changed, 153 insertions(+), 0 deletions(-) - create mode 100644 arch/mips/include/asm/mach-lantiq/falcon/vpe.h - create mode 100644 arch/mips/lantiq/falcon/softdog_vpe.c - ---- /dev/null -+++ b/arch/mips/include/asm/mach-lantiq/falcon/vpe.h -@@ -0,0 +1,44 @@ -+/* -+ * 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 _IFXMIPS_VPE_H__ -+#define _IFXMIPS_VPE_H__ -+ -+/* For the explanation of the APIs please refer the section "MT APRP Kernel -+ * Programming" in AR9 SW Architecture Specification -+ */ -+int32_t vpe1_sw_start(void* sw_start_addr, uint32_t tcmask, uint32_t flags); -+int32_t vpe1_sw_stop(uint32_t flags); -+uint32_t vpe1_get_load_addr (uint32_t flags); -+uint32_t vpe1_get_max_mem (uint32_t flags); -+ -+int32_t vpe1_set_boot_param(char *field, char *value, char flags); -+int32_t vpe1_get_boot_param(char *field, char **value, char flags); -+ -+/* Watchdog APIs */ -+extern unsigned long vpe1_wdog_ctr; -+extern unsigned long vpe1_wdog_timeout; -+ -+unsigned long vpe1_sw_wdog_start(unsigned long); -+unsigned long vpe1_sw_wdog_stop(unsigned long); -+ -+typedef int (*VPE_SW_WDOG_RESET)(unsigned long wdog_cleared_ok_count); -+int32_t vpe1_sw_wdog_register_reset_handler(VPE_SW_WDOG_RESET reset_fn); -+ -+#endif ---- /dev/null -+++ b/arch/mips/lantiq/falcon/softdog_vpe.c -@@ -0,0 +1,109 @@ -+/* -+** ============================================================================= -+** FILE NAME : softdog_vpe.c -+** MODULES : LXDB -+** DATE : 24-03-2008 -+** AUTHOR : LXDB Team -+** DESCRIPTION : This header file contains the code for the watchdog -+** implentation on vpe1 side. -+** REFERENCES : -+** COPYRIGHT : Copyright (c) 2008 -+** Am Campeon 1-12, 85579 Neubiberg, Germany -+** Any use of this software is subject to the conclusion of a respective -+** License agreement. Without such a License agreement no rights to the -+** software are granted -+** -+** HISTORY : -+** $Date $Author $Comment -+** 24-03-2008 LXDB Initial version -+** ============================================================================ -+*/ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/types.h> -+#include <linux/timer.h> -+#include <linux/reboot.h> -+#include <linux/init.h> -+#include <linux/jiffies.h> -+ -+#include <falcon/vpe.h> -+ -+static unsigned long last_wdog_value; -+static unsigned long vpe1_wdog_cleared; -+ -+static unsigned long vpe1_wdog_dead; -+static void watchdog_vpe0_fire(unsigned long); /* Called when vpe0 timer expires */ -+static void keep_alive_vpe0(unsigned long); -+VPE_SW_WDOG_RESET reset_local_fn; -+ -+ -+static struct timer_list watchdog_vpe0_ticktock = -+ TIMER_INITIALIZER(watchdog_vpe0_fire, 0, 0); -+ -+static void watchdog_vpe0_fire (unsigned long flags) -+{ -+ volatile unsigned long *wdog_ctr_value; -+ wdog_ctr_value = (void*)vpe1_wdog_ctr; -+ if (*wdog_ctr_value == last_wdog_value) { /* VPE1 watchdog expiry handling */ -+ vpe1_sw_wdog_stop(flags); -+ vpe1_wdog_dead++; -+ printk(KERN_DEBUG "VPE1 watchdog reset handler called\n"); -+ /* Call the reset handler function */ -+ reset_local_fn(flags); -+ } else { /* Everything is OK on vpe1 side. Continue. */ -+ last_wdog_value = *wdog_ctr_value; -+ vpe1_wdog_cleared++; -+ keep_alive_vpe0(flags); -+ } -+} -+ -+int32_t vpe1_sw_wdog_register_reset_handler (VPE_SW_WDOG_RESET reset_fn) -+{ -+ reset_local_fn = (VPE_SW_WDOG_RESET)reset_fn; -+ return 0; -+} -+ -+static void keep_alive_vpe0(unsigned long flags) -+{ -+ mod_timer(&watchdog_vpe0_ticktock, jiffies+ vpe1_wdog_timeout ); -+} -+ -+unsigned long vpe1_sw_wdog_start(unsigned long flags) -+{ -+ volatile unsigned long *wdog_ctr_value; -+ wdog_ctr_value = (void*)vpe1_wdog_ctr; -+ *wdog_ctr_value = 0; -+ last_wdog_value = 0; -+ keep_alive_vpe0(flags); -+ return 0; -+} -+ -+unsigned long vpe1_sw_wdog_stop(unsigned long flags) -+{ -+ del_timer(&watchdog_vpe0_ticktock); -+ return 0; -+} -+ -+static int __init watchdog_vpe1_init(void) -+{ -+ /* Nothing to be done here */ -+ return 0; -+} -+ -+static void __exit watchdog_vpe1_exit(void) -+{ -+ unsigned long flags=0; -+ vpe1_sw_wdog_stop(flags); -+} -+ -+module_init(watchdog_vpe1_init); -+module_exit(watchdog_vpe1_exit); -+ -+EXPORT_SYMBOL(vpe1_sw_wdog_register_reset_handler); -+EXPORT_SYMBOL(vpe1_sw_wdog_start); -+EXPORT_SYMBOL(vpe1_sw_wdog_stop); -+ -+MODULE_AUTHOR("LXDB"); -+MODULE_DESCRIPTION("Software Watchdog For VPE1"); -+MODULE_LICENSE("GPL"); ---- a/arch/mips/lantiq/falcon/Makefile -+++ b/arch/mips/lantiq/falcon/Makefile -@@ -1,2 +1,2 @@ --obj-y := clk.o prom.o reset.o sysctrl.o devices.o gpio.o -+obj-y := clk.o prom.o reset.o sysctrl.o devices.o gpio.o softdog_vpe.o - obj-$(CONFIG_LANTIQ_MACH_EASY98000) += mach-easy98000.o |