add raspi4 watchdog driver
This commit is contained in:
bigmagic
parent
9cd38972a2
commit
7043451e41
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@ -147,7 +147,7 @@ CONFIG_RT_USING_SPI=y
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# CONFIG_RT_USING_SFUD is not set
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# CONFIG_RT_USING_ENC28J60 is not set
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# CONFIG_RT_USING_SPI_WIFI is not set
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# CONFIG_RT_USING_WDT is not set
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CONFIG_RT_USING_WDT=y
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# CONFIG_RT_USING_AUDIO is not set
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# CONFIG_RT_USING_SENSOR is not set
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# CONFIG_RT_USING_TOUCH is not set
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@ -170,6 +170,7 @@ CONFIG_RT_USING_LIBC=y
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CONFIG_RT_USING_POSIX=y
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# CONFIG_RT_USING_POSIX_MMAP is not set
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# CONFIG_RT_USING_POSIX_TERMIOS is not set
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# CONFIG_RT_USING_POSIX_GETLINE is not set
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# CONFIG_RT_USING_POSIX_AIO is not set
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# CONFIG_RT_USING_MODULE is not set
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@ -216,7 +217,9 @@ CONFIG_RT_USING_POSIX=y
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#
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# IoT - internet of things
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#
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# CONFIG_PKG_USING_LORAWAN_DRIVER is not set
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# CONFIG_PKG_USING_PAHOMQTT is not set
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# CONFIG_PKG_USING_UMQTT is not set
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# CONFIG_PKG_USING_WEBCLIENT is not set
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# CONFIG_PKG_USING_WEBNET is not set
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# CONFIG_PKG_USING_MONGOOSE is not set
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@ -262,7 +265,7 @@ CONFIG_RT_USING_POSIX=y
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# CONFIG_PKG_USING_GAGENT_CLOUD is not set
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# CONFIG_PKG_USING_ALI_IOTKIT is not set
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# CONFIG_PKG_USING_AZURE is not set
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# CONFIG_PKG_USING_TENCENT_IOTHUB is not set
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# CONFIG_PKG_USING_TENCENT_IOT_EXPLORER is not set
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# CONFIG_PKG_USING_JIOT-C-SDK is not set
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# CONFIG_PKG_USING_UCLOUD_IOT_SDK is not set
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# CONFIG_PKG_USING_JOYLINK is not set
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@ -284,6 +287,10 @@ CONFIG_RT_USING_POSIX=y
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# CONFIG_PKG_USING_CAPNP is not set
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# CONFIG_PKG_USING_RT_CJSON_TOOLS is not set
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# CONFIG_PKG_USING_AGILE_TELNET is not set
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# CONFIG_PKG_USING_NMEALIB is not set
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# CONFIG_PKG_USING_AGILE_JSMN is not set
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# CONFIG_PKG_USING_PDULIB is not set
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# CONFIG_PKG_USING_BTSTACK is not set
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#
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# security packages
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@ -292,6 +299,7 @@ CONFIG_RT_USING_POSIX=y
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# CONFIG_PKG_USING_libsodium is not set
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# CONFIG_PKG_USING_TINYCRYPT is not set
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# CONFIG_PKG_USING_TFM is not set
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# CONFIG_PKG_USING_YD_CRYPTO is not set
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#
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# language packages
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@ -308,6 +316,7 @@ CONFIG_RT_USING_POSIX=y
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# CONFIG_PKG_USING_STEMWIN is not set
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# CONFIG_PKG_USING_WAVPLAYER is not set
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# CONFIG_PKG_USING_TJPGD is not set
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# CONFIG_PKG_USING_HELIX is not set
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#
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# tools packages
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@ -326,7 +335,9 @@ CONFIG_RT_USING_POSIX=y
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# CONFIG_PKG_USING_CHINESE_FONT_LIBRARY is not set
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# CONFIG_PKG_USING_LUNAR_CALENDAR is not set
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# CONFIG_PKG_USING_BS8116A is not set
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# CONFIG_PKG_USING_GPS_RMC is not set
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# CONFIG_PKG_USING_URLENCODE is not set
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# CONFIG_PKG_USING_UMCN is not set
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#
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# system packages
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@ -337,6 +348,7 @@ CONFIG_RT_USING_POSIX=y
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# CONFIG_PKG_USING_LWEXT4 is not set
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# CONFIG_PKG_USING_PARTITION is not set
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# CONFIG_PKG_USING_FAL is not set
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# CONFIG_PKG_USING_FLASHDB is not set
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# CONFIG_PKG_USING_SQLITE is not set
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# CONFIG_PKG_USING_RTI is not set
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# CONFIG_PKG_USING_LITTLEVGL2RTT is not set
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@ -349,6 +361,11 @@ CONFIG_RT_USING_POSIX=y
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# CONFIG_PKG_USING_SYSWATCH is not set
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# CONFIG_PKG_USING_SYS_LOAD_MONITOR is not set
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# CONFIG_PKG_USING_PLCCORE is not set
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# CONFIG_PKG_USING_RAMDISK is not set
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# CONFIG_PKG_USING_MININI is not set
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# CONFIG_PKG_USING_QBOOT is not set
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# CONFIG_PKG_USING_UCOSIII_WRAPPER is not set
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# CONFIG_PKG_USING_PPOOL is not set
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#
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# peripheral libraries and drivers
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@ -386,6 +403,7 @@ CONFIG_RT_USING_POSIX=y
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# CONFIG_PKG_USING_RPLIDAR is not set
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# CONFIG_PKG_USING_AS608 is not set
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# CONFIG_PKG_USING_RC522 is not set
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# CONFIG_PKG_USING_WS2812B is not set
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# CONFIG_PKG_USING_EMBARC_BSP is not set
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# CONFIG_PKG_USING_EXTERN_RTC_DRIVERS is not set
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# CONFIG_PKG_USING_MULTI_RTIMER is not set
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@ -393,6 +411,15 @@ CONFIG_RT_USING_POSIX=y
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# CONFIG_PKG_USING_BEEP is not set
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# CONFIG_PKG_USING_EASYBLINK is not set
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# CONFIG_PKG_USING_PMS_SERIES is not set
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# CONFIG_PKG_USING_CAN_YMODEM is not set
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# CONFIG_PKG_USING_LORA_RADIO_DRIVER is not set
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# CONFIG_PKG_USING_QLED is not set
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# CONFIG_PKG_USING_PAJ7620 is not set
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# CONFIG_PKG_USING_AGILE_CONSOLE is not set
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# CONFIG_PKG_USING_LD3320 is not set
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# CONFIG_PKG_USING_WK2124 is not set
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# CONFIG_PKG_USING_LY68L6400 is not set
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# CONFIG_PKG_USING_DM9051 is not set
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#
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# miscellaneous packages
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@ -429,6 +456,11 @@ CONFIG_RT_USING_POSIX=y
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# CONFIG_PKG_USING_VT100 is not set
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# CONFIG_PKG_USING_ULAPACK is not set
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# CONFIG_PKG_USING_UKAL is not set
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# CONFIG_PKG_USING_CRCLIB is not set
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# CONFIG_PKG_USING_THREES is not set
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# CONFIG_PKG_USING_2048 is not set
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# CONFIG_PKG_USING_LWGPS is not set
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# CONFIG_PKG_USING_TENSORFLOWLITEMICRO is not set
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#
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# Privated Packages of RealThread
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@ -461,6 +493,10 @@ CONFIG_RT_USING_POSIX=y
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# CONFIG_PKG_USING_ZBAR is not set
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# CONFIG_PKG_USING_MCF is not set
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# CONFIG_PKG_USING_URPC is not set
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# CONFIG_PKG_USING_BSAL is not set
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# CONFIG_PKG_USING_DCM is not set
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# CONFIG_PKG_USING_EMQ is not set
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# CONFIG_PKG_USING_CFGM is not set
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CONFIG_BCM2711_SOC=y
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# CONFIG_BSP_SUPPORT_FPU is not set
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@ -487,7 +523,7 @@ CONFIG_BSP_USING_SPI0_DEVICE0=y
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# CONFIG_BSP_USING_SPI0_DEVICE1 is not set
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CONFIG_BSP_USING_CORETIMER=y
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# CONFIG_BSP_USING_SYSTIMER is not set
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# CONFIG_BSP_USING_WDT is not set
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CONFIG_BSP_USING_WDT=y
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# CONFIG_BSP_USING_RTC is not set
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# CONFIG_BSP_USING_SDIO is not set
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@ -0,0 +1,141 @@
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/*
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* Copyright (c) 2006-2020, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-10-26 bigmagic first version
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*/
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#include <rthw.h>
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#include "drv_wdt.h"
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#include "raspi4.h"
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#ifdef BSP_USING_WDT
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#define SECS_TO_WDOG_TICKS(x) ((x) << 16)
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#define WDOG_TICKS_TO_SECS(x) ((x) >> 16)
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static struct raspi_wdt_driver bcm_wdt;
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void raspi_watchdog_init(rt_uint32_t time_init)
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{
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bcm_wdt.timeout = time_init;
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}
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void raspi_watchdog_start()
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{
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volatile rt_uint32_t cur;
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PM_WDOG = PM_PASSWORD | (SECS_TO_WDOG_TICKS(bcm_wdt.timeout) & PM_WDOG_TIME_SET);
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cur = (PM_RSTC);
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PM_RSTC = PM_PASSWORD | (cur & PM_RSTC_WRCFG_CLR) | PM_RSTC_WRCFG_FULL_RESET;
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}
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void raspi_watchdog_stop()
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{
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PM_RSTC = PM_PASSWORD | PM_RSTC_RESET;
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}
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void raspi_watchdog_clr()
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{
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bcm_wdt.timeout = 0;
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}
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void raspi_watchdog_set_timeout(rt_uint32_t timeout_us)
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{
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bcm_wdt.timeout = timeout_us;
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}
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rt_uint64_t raspi_watchdog_get_timeout()
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{
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return bcm_wdt.timeout;
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}
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rt_uint64_t raspi_watchdog_get_timeleft()
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{
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rt_uint32_t ret = (PM_WDOG);
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return WDOG_TICKS_TO_SECS(ret & PM_WDOG_TIME_SET);
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}
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static rt_err_t raspi_wdg_init(rt_watchdog_t *wdt)
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{
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/*init for 10S*/
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raspi_watchdog_init(1000000);
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raspi_watchdog_start();
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raspi_watchdog_stop();
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return RT_EOK;
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}
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static rt_err_t raspi_wdg_control(rt_watchdog_t *wdt, int cmd, void *arg)
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{
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rt_uint64_t timeout_us = 0;
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switch (cmd)
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{
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case RT_DEVICE_CTRL_WDT_SET_TIMEOUT:
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timeout_us = *((rt_uint32_t *)arg) * 1000000;
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if (timeout_us >= 0xFFFFFFFF)
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timeout_us = 0xFFFFFFFF;
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raspi_watchdog_set_timeout((rt_uint32_t)timeout_us);
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break;
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case RT_DEVICE_CTRL_WDT_GET_TIMEOUT:
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timeout_us = raspi_watchdog_get_timeout();
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*((rt_uint32_t *)arg) = timeout_us / 1000000;
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break;
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case RT_DEVICE_CTRL_WDT_GET_TIMELEFT:
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timeout_us = raspi_watchdog_get_timeleft();
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*((rt_uint32_t *)arg) = timeout_us / 1000000;
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break;
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case RT_DEVICE_CTRL_WDT_KEEPALIVE:
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raspi_watchdog_clr();
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break;
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case RT_DEVICE_CTRL_WDT_START:
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raspi_watchdog_start();
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break;
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case RT_DEVICE_CTRL_WDT_STOP:
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raspi_watchdog_stop();
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break;
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default:
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return RT_EIO;
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}
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return RT_EOK;
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}
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static const struct rt_watchdog_ops raspi_wdg_pos =
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{
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raspi_wdg_init,
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raspi_wdg_control,
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};
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static rt_watchdog_t raspi_wdg;
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int rt_hw_wdt_init(void)
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{
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raspi_wdg.ops = &raspi_wdg_pos;
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rt_hw_watchdog_register(&raspi_wdg, "wdg", 0, RT_NULL);
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return RT_EOK;
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}
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INIT_DEVICE_EXPORT(rt_hw_wdt_init);
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/**
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* Reboot
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*/
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int reboot(void)
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{
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unsigned int r;
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rt_kprintf("reboot system...\n");
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rt_thread_mdelay(100);
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r = PM_RSTS;
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// trigger a restart by instructing the GPU to boot from partition 0
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r &= ~0xfffffaaa;
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PM_RSTS |= (PM_PASSWORD | r); // boot from partition 0
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PM_WDOG |= (PM_PASSWORD | 0x0A);
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PM_RSTC |= (PM_PASSWORD | PM_RSTC_WRCFG_FULL_RESET);
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while (1);
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return 0;
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}
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MSH_CMD_EXPORT(reboot,reboot system...);
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#endif /*BSP_USING_WDT */
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@ -0,0 +1,25 @@
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/*
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* Copyright (c) 2006-2020, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-10-26 bigmagic first version
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*/
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#ifndef __DRV_WDT_H__
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#define __DRV_WDT_H__
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "board.h"
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struct raspi_wdt_driver
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{
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rt_uint32_t timeout;
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};
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int rt_hw_wdt_init(void);
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#endif
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@ -119,6 +119,18 @@ typedef enum {
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#define GIC_ACK_INTID_MASK 0x000003ff
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//watchdog
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#define PM_RSTC HWREG32(PER_BASE + 0x0010001c)
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#define PM_RSTS HWREG32(PER_BASE + 0x00100020)
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#define PM_WDOG HWREG32(PER_BASE + 0x00100024)
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#define PM_PASSWORD (0x5A000000)
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#define PM_WDOG_TIME_SET (0x000fffff)
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#define PM_RSTS_HADWRH_SET (0x00000040)
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#define PM_RSTC_WRCFG_FULL_RESET (0x00000020)
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#define PM_RSTC_WRCFG_CLR (0xffffffcf)
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#define PM_RSTC_RESET (0x00000102)
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/* the basic constants and interfaces needed by gic */
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rt_inline rt_uint32_t platform_get_gic_dist_base(void)
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{
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@ -87,6 +87,7 @@
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#define RT_SERIAL_RB_BUFSZ 64
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#define RT_USING_PIN
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#define RT_USING_SPI
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#define RT_USING_WDT
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/* Using USB */
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@ -178,6 +179,7 @@
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#define BSP_USING_SPI0_BUS
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#define BSP_USING_SPI0_DEVICE0
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#define BSP_USING_CORETIMER
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#define BSP_USING_WDT
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/* Board Peripheral Drivers */
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