+++ /dev/null
-/*
- * Copyright (c) 2013 Qualcomm Atheros, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted (subject to the limitations in the
- * disclaimer below) provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the
- * distribution.
- *
- * * Neither the name of Qualcomm Atheros nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
- * GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
- * HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
- */
-#include "sys_cfg.h"
-
-#include "athos_api.h"
-
-#if SYSTEM_MODULE_WDT
-
-
-typedef struct {
- BOOLEAN state;
- T_WDT_ACTION_TYPE action;
- uint32_t timeout;
-}T_WDT_CTRL;
-
-
-LOCAL T_WDT_CTRL wdt_ctrl;
-
-/*!- Initialize watchdog timer
- *
- */
-LOCAL T_BOOT_TYPE
-cmnos_wdt_last_boot(void)
-{
-#if 0
- if (HAL_WORD_REG_READ(MAGPIE_REG_RST_WDT_TIMER_CTRL_ADDR) & 0x80000000 )
- return ENUM_WDT_BOOT;
- else
- return ENUM_COLD_BOOT;
-#endif
-
-#if defined(PROJECT_MAGPIE)
- if ( *((volatile uint32_t*)WATCH_DOG_MAGIC_PATTERN_ADDR) == WDT_MAGIC_PATTERN )
- return ENUM_WDT_BOOT;
- else if ( *((volatile uint32_t*)WATCH_DOG_MAGIC_PATTERN_ADDR) == SUS_MAGIC_PATTERN )
- return ENUM_SUSP_BOOT;
- else
- return ENUM_COLD_BOOT;
-#elif defined(PROJECT_K2)
- //if (HAL_WORD_REG_READ(MAGPIE_REG_RST_STATUS_ADDR) == WDT_MAGIC_PATTERN || HAL_WORD_REG_READ(MAGPIE_REG_RST_STATUS_ADDR) == SUS_MAGIC_PATTERN)
- if ( HAL_WORD_REG_READ(MAGPIE_REG_RST_STATUS_ADDR) == WDT_MAGIC_PATTERN )
- return ENUM_WDT_BOOT;
- else if ( HAL_WORD_REG_READ(MAGPIE_REG_RST_STATUS_ADDR) == SUS_MAGIC_PATTERN )
- return ENUM_SUSP_BOOT;
- else
- return ENUM_COLD_BOOT;
-#endif /* #if defined(PROJECT_MAGPIE) */
-}
-
-
-/*!- trigger a wdt reset.
- *
- */
-LOCAL void
-cmnos_wdt_reset()
-{
- HAL_WORD_REG_WRITE(MAGPIE_REG_RST_WDT_TIMER_CTRL_ADDR, WDT_ACTION_RESET);
- HAL_WORD_REG_WRITE(MAGPIE_REG_RST_WDT_TIMER_ADDR, 0x100);
- while(1); // never return;
-}
-
-
-/*!- setup the timeout value.
- *
- */
-LOCAL void
-cmnos_wdt_set(T_WDT_CMD wdt_cmd)
-{
- switch(wdt_cmd.cmd)
- {
- case WDT_TIMEOUT:
- if( wdt_cmd.timeout>0 ) //dummy check
- {
- wdt_ctrl.timeout = wdt_cmd.timeout;
- HAL_WORD_REG_WRITE(MAGPIE_REG_RST_WDT_TIMER_ADDR, wdt_ctrl.timeout);
- }
- break;
-
- case WDT_ACTION:
- if( wdt_cmd.action < WDT_ACTION_UNKNOWN )
- {
- wdt_ctrl.action = wdt_cmd.action;
- HAL_WORD_REG_WRITE(MAGPIE_REG_RST_WDT_TIMER_CTRL_ADDR, wdt_ctrl.action);
- }
- }
-}
-
-
-/*!- Enable watchdog timer.
- *
- */
-LOCAL void
-cmnos_wdt_enable()
-{
- T_WDT_CMD wdt_cmd;
- wdt_ctrl.state = TRUE;
-
- wdt_cmd.cmd = WDT_ACTION;
- wdt_cmd.action = WDT_ACTION_RESET;
- cmnos_wdt_set(wdt_cmd);
- //HAL_WORD_REG_WRITE(MAGPIE_REG_RST_WDT_TIMER_CTRL_ADDR, HAL_WORD_REG_READ(MAGPIE_REG_RST_WDT_TIMER_CTRL_ADDR)|(BIT0|BIT1));
-}
-
-/*!- Disable watchdog timer.
- *
- */
-LOCAL void
-cmnos_wdt_disable()
-{
- T_WDT_CMD wdt_cmd;
-
- wdt_ctrl.state = FALSE;
-
- wdt_cmd.cmd = WDT_ACTION;
- wdt_cmd.action = WDT_ACTION_NO;
- cmnos_wdt_set(wdt_cmd);
-// HAL_WORD_REG_WRITE(MAGPIE_REG_RST_WDT_TIMER_CTRL_ADDR, (HAL_WORD_REG_READ(MAGPIE_REG_RST_WDT_TIMER_CTRL_ADDR)&(~(BIT0|BIT1))));
-// MAGPIE_REG_RST_WDT_TIMER_CTRL &= ~(BIT0|BIT1);
-}
-
-
-/*!- Initialize watchdog timer
- *
- */
-LOCAL void
-cmnos_wdt_init(void)
-{
- T_WDT_CMD wdt_cmd;
-
- //wdt_init_done = TRUE;
- wdt_ctrl.state = FALSE;
- wdt_ctrl.action = WDT_ACTION_NO;
- wdt_ctrl.timeout = WDT_DEFAULT_TIMEOUT_VALUE;
-
- // should be init outside but just kick it ticking at here for workaround
- cmnos_wdt_enable();
-
- wdt_cmd.cmd = WDT_TIMEOUT;
- wdt_cmd.timeout= wdt_ctrl.timeout;
- cmnos_wdt_set(wdt_cmd);
-}
-
-
-/*!- update the watchdog timer timerout value.
- *
- */
-LOCAL void
-cmnos_wdt_task()
-{
- // if wdt is not enable, just skip the update
- if( wdt_ctrl.state )
- {
- HAL_WORD_REG_WRITE(MAGPIE_REG_RST_WDT_TIMER_ADDR, wdt_ctrl.timeout);
- }
-
-}
-
-void
-cmnos_wdt_module_install(struct wdt_api *tbl)
-{
- tbl->_wdt_init = cmnos_wdt_init;
- tbl->_wdt_enable = cmnos_wdt_enable;
- tbl->_wdt_disable = cmnos_wdt_disable;
- tbl->_wdt_set = cmnos_wdt_set;
- tbl->_wdt_task = cmnos_wdt_task;
- tbl->_wdt_reset = cmnos_wdt_reset;
- tbl->_wdt_last_boot = cmnos_wdt_last_boot;
-}
-
-#endif /* SYSTEM_MODULE_WDT */
-
projects / open-ath9k-htc-firmware.git / blobdiff