DRA829J: How to enable the watchdog on all A72 and R5f

Junyan Yang

Intellectual 350 points

Part Number: DRA829J
Other Parts Discussed in Thread: DRA829

Tool/software:

Hi TI,

We want to set watchdogs on our custom board.

And, I found the DRA829 has linux watchdog enabled. I guess they are the watchdogs on A72s.

Referring to e2e.ti.com/.../tda4vm-tda4-a72-linux-watchdog-issue, I ran the watchdog test demo ./runltp -P j721e-idk-gw -f ddt/wdt_test -s "WDT_M_FUNC_WRITE " , and the log as following:

root@j721e-evm:/opt/ltp# ./runltp -P j721e-idk-gw -f ddt/wdt_test -s "WDT_M_FUNC_WRITE "
INFO: creating /opt/ltp/output directory
INFO: creating /opt/ltp/results directory
INFO: Filtering testscenarios based on j721e-idk-gw capabilities
awk: cmd. line:1: warning: regexp escape sequence `\&' is not a known regexp operator
Checking for required user/group ids

'root' user id and group found.
'nobody' user id and group found.
'bin' user id and group found.
'daemon' user id and group found.
Users group found.
Sys group found.
Required users/groups exist.
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

/etc/os-release
ID=arago
NAME="Arago"
VERSION="2023.10"
VERSION_ID=2023.10
PRETTY_NAME="Arago 2023.10"

uname:
Linux j721e-evm 6.1.80 #4 SMP PREEMPT Fri Nov  1 12:01:21 CST 2024 aarch64 aarch64 aarch64 GNU/Linux

/proc/cmdline
console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000 root=PARTUUID=79ba9ee9-02 rw rootfstype=ext4 rootwait

Gnu C                  gcc (GCC) 11.4.0
Clang
Gnu make               4.3
util-linux             2.37.4
mount                  linux 2.37.4 (libmount 2.37.4: btrfs, namespaces, assert, debug)
modutils               29
e2fsprogs              1.46.5
Linux C Library        x 1 1018 1018 1630088 Mar  9  2018 /lib/libc.so.6
Dynamic linker (ldd)   2.35
Linux C++ Library      6.0.29
Procps                 3.3.17-dirty
Net-tools              2.10
iproute2               iproute2-5.17.0
iputils                'V'
ethtool                5.16
Sh-utils               9.0
Modules Loaded         brcm_xgbe pci_endpoint_test xhci_plat_hcd ti_am335x_adc rpmsg_ctrl rpmsg_char kfifo_buf cdns3 irq_pruss_intc pru_rproc cdns_usb_common omap_rng wlan_cnss_core_pcie overlay display_connector drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops crct10dif_ce phy_can_transceiver cfg80211 rfkill ti_k3_r5_remoteproc vxd_dec k3_j72xx_bandgap vxe_enc videobuf2_dma_sg videobuf2_dma_contig videobuf2_memops v4l2_mem2mem videobuf2_v4l2 ti_am335x_tscadc videobuf2_common pruss videodev sa2ul ti_k3_dsp_remoteproc virtio_rpmsg_bus mc rpmsg_ns ti_k3_common cdns_dphy_rx cdns3_ti pci_j721e_host pci_j721e pcie_cadence_host pcie_cadence optee_rng spi_omap2_mcspi rng_core rti_wdt cryptodev fuse drm drm_panel_orientation_quirks ipv6

free reports:
               total        used        free      shared  buff/cache   available
Mem:         2221908      161544     1833360        9340      227004     1911736
Swap:              0           0           0

cpuinfo:
Architecture:            aarch64
  CPU op-mode(s):        32-bit, 64-bit
  Byte Order:            Little Endian
CPU(s):                  2
  On-line CPU(s) list:   0,1
Vendor ID:               ARM
  Model name:            Cortex-A72
    Model:               0
    Thread(s) per core:  1
    Core(s) per cluster: 2
    Socket(s):           -
    Cluster(s):          1
    Stepping:            r1p0
    BogoMIPS:            400.00
    Flags:               fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
Caches (sum of all):
  L1d:                   64 KiB (2 instances)
  L1i:                   96 KiB (2 instances)
  L2:                    1 MiB (1 instance)
Vulnerabilities:
  Gather data sampling:  Not affected
  Itlb multihit:         Not affected
  L1tf:                  Not affected
  Mds:                   Not affected
  Meltdown:              Not affected
  Mmio stale data:       Not affected
  Retbleed:              Not affected
  Spec rstack overflow:  Not affected
  Spec store bypass:     Not affected
  Spectre v1:            Mitigation; __user pointer sanitization
  Spectre v2:            Mitigation; CSV2, BHB
  Srbds:                 Not affected
  Tsx async abort:       Not affected

available filesystems:
autofs bdev bpf cgroup cgroup2 configfs cpuset debugfs devpts devtmpfs ext2 ext3 ext4 fuse fuseblk fusectl hugetlbfs mqueue nfs nfs4 overlay pipefs proc pstore ramfs rpc_pipefs securityfs sockfs squashfs sysfs tmpfs ubifs vfat

mounted filesystems (/proc/mounts):
/dev/root / ext4 rw,relatime 0 0
devtmpfs /dev devtmpfs rw,relatime,size=847816k,nr_inodes=211954,mode=755 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0
devpts /dev/pts devpts rw,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /run tmpfs rw,nosuid,nodev,size=444384k,nr_inodes=819200,mode=755 0 0
tmpfs /sys/fs/cgroup tmpfs ro,nosuid,nodev,noexec,size=4096k,nr_inodes=1024,mode=755 0 0
cgroup2 /sys/fs/cgroup/unified cgroup2 rw,nosuid,nodev,noexec,relatime,nsdelegate 0 0
cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,xattr,name=systemd 0 0
pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0
bpf /sys/fs/bpf bpf rw,nosuid,nodev,noexec,relatime,mode=700 0 0
cgroup /sys/fs/cgroup/net_cls,net_prio cgroup rw,nosuid,nodev,noexec,relatime,net_cls,net_prio 0 0
cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0
cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0
cgroup /sys/fs/cgroup/memory cgroup rw,nosuid,nodev,noexec,relatime,memory 0 0
cgroup /sys/fs/cgroup/perf_event cgroup rw,nosuid,nodev,noexec,relatime,perf_event 0 0
cgroup /sys/fs/cgroup/pids cgroup rw,nosuid,nodev,noexec,relatime,pids 0 0
cgroup /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0
cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0
cgroup /sys/fs/cgroup/hugetlb cgroup rw,nosuid,nodev,noexec,relatime,hugetlb 0 0
cgroup /sys/fs/cgroup/devices cgroup rw,nosuid,nodev,noexec,relatime,devices 0 0
hugetlbfs /dev/hugepages hugetlbfs rw,relatime,pagesize=2M 0 0
mqueue /dev/mqueue mqueue rw,nosuid,nodev,noexec,relatime 0 0
debugfs /sys/kernel/debug debugfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /tmp tmpfs rw,nosuid,nodev,size=1110956k,nr_inodes=1048576 0 0
fusectl /sys/fs/fuse/connections fusectl rw,nosuid,nodev,noexec,relatime 0 0
configfs /sys/kernel/config configfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /media/ram tmpfs rw,relatime,size=16384k 0 0
tmpfs /var/volatile tmpfs rw,relatime,size=51200k 0 0
/dev/mmcblk1p1 /run/media/BOOT-mmcblk1p1 vfat rw,relatime,gid=6,fmask=0007,dmask=0007,allow_utime=0020,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro 0 0

mounted filesystems (df):
Filesystem     Type      Size  Used Avail Use% Mounted on
/dev/root      ext4       59G  6.0G   50G  11% /
devtmpfs       devtmpfs  828M  4.0K  828M   1% /dev
tmpfs          tmpfs     1.1G     0  1.1G   0% /dev/shm
tmpfs          tmpfs     434M  9.2M  425M   3% /run
tmpfs          tmpfs     4.0M     0  4.0M   0% /[ 2627.466876] LTP: starting WDT_M_FUNC_WRITE (source 'common.sh'; do_cmd install_modules.sh 'wdt' ; DEV_NODE=`get_devnode.sh "wdt"` || die "error getting devnode for wdt"; do_cmd wdt_tests -device $DEV_NODE -ioctl -write)
sys/fs/cgroup
tmpfs          tmpfs     1.1G   12K  1.1G   1% /tmp
tmpfs          tmpfs      16M     0   16M   0% /media/ram
tmpfs          tmpfs      50M     0   50M   0% /var/volatile
/dev/mmcblk1p1 vfat      127M  5.9M  121M   5% /run/media/BOOT-mmcblk1p1

AppArmor disabled

SELinux mode: unknown
no big block device was specified on commandline.
Tests which require a big block device are disabled.
You can specify it with option -z
COMMAND:    /opt/ltp/bin/ltp-pan   -e -S   -a 1211     -n 1211 -p -f /tmp/ltp-2phSRLXqIP/alltests -l /tmp/tmp.C6OCkwzYpn  -C /opt/ltp/output/LTP_RUN_ON-tmp.C6OCkwzYpn.failed -T /opt/ltp/output/LTP_RUN_ON-tmp.C6OCkwzYpn.tconf
INFO: Restricted to WDT_M_FUNC_WRITE
LOG File: /tmp/tmp.C6OCkwzYpn
FAILED COMMAND File: /opt/ltp/output/LTP_RUN_ON-tmp.C6OCkwzYpn.failed
TCONF COMMAND File: /opt/ltp/output/LTP_RUN_ON-tmp.C6OCkwzYpn.tconf
Running tests.......
<<<test_start>>>
tag=WDT_M_FUNC_WRITE stime=1651170365
cmdline="source 'common.sh'; do_cmd install_modules.sh 'wdt' ; DEV_NODE=`get_devnode.sh "wdt"` || die "error getting devnode for wdt"; do_cmd wdt_tests -device $DEV_NODE -ioctl -write"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
|TRACE LOG|Inside do_cmd:CMD=install_modules.sh wdt|
|TRACE LOG|Inside do_cmd:CMD=wdt_tests -device /dev/watchdog -ioctl -write|


|TEST START|wdt_tests|
|TRACE LOG|******** WDT Testcase  parameters  ******** |
|TRACE LOG|Device         : /dev/watchdog|
|TRACE LOG|Loop Count     : 1|
|TRACE LOG|I/O Operation  : Write|
|TRACE LOG|Operation      : Ioctl|
|TRACE LOG|Ioctl Name     : WDIOC_KEEPALIVE|
|TRACE LOG|Ioctl Arg      : 0 |
|TRACE LOG| ************* End of Test params ************* |
|TRACE LOG|Keeping WDT alive, sleep counter -0(sec)|
|TEST RESULT|PASS|wdt_tests|
|TEST END|wdt_tests|
|TRACE LOG|EVM will be rebooted after 60 seconds|
|TRACE LOG|59 seconds remaining before reboot|
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^Cincrementing stop
[ 2731.860783] watchdog: watchdog0: nowayout prevents watchdog being stopped!
[ 2731.869209] watchdog: watchdog0: watchdog did not stop!
<<<execution_status>>>
initiation_status="ok"
duration=105 termination_type=driver_interrupt termination_id=2 corefile=no
cutime=1 cstime=4
<<<test_end>>>
INFO: ltp-pan reported all tests PASS
LTP Version: 20230127-2800-ga41f17a88

       ###############################################################"

            Done executing testcases."
            LTP Version:  20230127-2800-ga41f17a88
            Result log is in the /tmp/tmp.C6OCkwzYpn "
       ###############################################################"

Test Start Time: Thu Apr 28 18:26:05 2022
-----------------------------------------
Testcase                                           Result     Exit Value
--------                                           ------     ----------
WDT_M_FUNC_WRITE                                   FAIL       2

-----------------------------------------------
Total Tests: 1
Total Skipped Tests: 0
Total Failures: 1
Kernel Version: 6.1.80
Machine Architecture: aarch64
Hostname: j721e-evm

It seems write failed.

My questions:

1. Is that means the watchdogs on A72 are enabled?

2. The test log is make sense or not?

3. How can I enable the watchdogs on R5f, and how to test them?

Thanks a lot!

Regrads,

Maxiel

11 months ago

0 Semon Zhang 11 months ago

TI__Expert 8771 points

Hi Junyan

please refer to following files for R5F watchdog

Fullscreen main_rti.c Download

/* ========================================================================== */
/*                             Include Files                                  */
/* ========================================================================== */

#include <stdint.h>
#include <stdio.h>
#include <ti/csl/csl_types.h>
#include <ti/csl/hw_types.h>
#include <ti/drv/uart/UART.h>
#include <ti/drv/uart/UART_stdio.h>
#include <ti/csl/csl_rti.h>
#include <ti/csl/soc.h>
#include <ti/board/board.h>
#include <ti/osal/osal.h>
#include <ti/csl/src/ip/esm/V1/esm.h>

#include <ti/csl/example/rti/rti_dwwdtest_app/j7200/rti_app_dwwd.h>


//#ifdef WDT_RESET
#include <ti/drv/sciclient/sciclient.h>
//#endif

#include "main_rti.h"

//#define WDT_RESET

static uint8_t gEthAppRTIWdgBuf[8192] __attribute__ ((section("ipc_data_buffer"), aligned(8)));

static int wdg_cnt;

/* ========================================================================== */
/*                         Structures and Enums                               */
/* ========================================================================== */

/**
* \brief  Enum to select the clock source for RTI module.
*/

typedef enum rtiClockSource
{
    RTI_CLOCK_SOURCE_HFOSC0_CLKOUT = 0U,
    /**< to select clock frequency of hfosc0 */
    RTI_CLOCK_SOURCE_LFOSC_CLKOUT = 1U,
    /**< to select clock frequency of lfosc */
    RTI_CLOCK_SOURCE_12MHZ = 2U,
    /**< to select clock frequency of 12 MHz */
    RTI_CLOCK_SOURCE_32KHZ = 3U,
    /**< to select clock frequency of 32KHz */
} rtiClockSource_t;

extern void appLogPrintf(const char * format, ...);

/* ========================================================================== */
/*                            Global Variables                                */
/* ========================================================================== */

/**< Flag used to indicate interrupt is generated */ 
/* ========================================================================== */
/*                          Function Definitions                              */
/* ========================================================================== */

/**
* \brief   This API to select clock source for RTI module.
*
*
* \param   rtiClockSource  RTI module clock source
*                          Values given by enum #rtiClockSource_t
*
* \return  none.
*/

static void appWdgSetClockSource(uint32_t rtiClockSourceSelect)
{
    volatile uint32_t *hwRegPtr;

    *(uint32_t *)(CSL_CTRL_MMR0_CFG0_BASE + CSL_MAIN_CTRL_MMR_CFG0_LOCK2_KICK0) = LOCK0_VAL;
    /* write Partition Lock Key 1 Register */
    *(uint32_t *)(CSL_CTRL_MMR0_CFG0_BASE + CSL_MAIN_CTRL_MMR_CFG0_LOCK2_KICK1) = LOCK1_VAL;

    hwRegPtr = (uint32_t *) (RTI_APP_CTRL_MMR_CFG_BASE + RTI_APP_CTRL_MMR_CLKSEL_OFFSET);
    hwRegPtr[0] = (hwRegPtr[0] & (~RTI_APP_RTI_CLK_SEL_FIELD_MASK)) |
                  (rtiClockSourceSelect << RTI_APP_RTI_CLK_SEL_FIELD_SHIFT);
}

static void AppWdg_EnableESMErrorPin(void)

{
    uint32_t regVal;

    /* MCU_SAFETY_ERRORn PAD configuration */
    /* Unlock lock key registers for Partition 7: IO PAD
       configuration registers in WKUP_CTRL_MMR */
    /* write Partition 7 Lock Key 0 Register */
    HW_WR_REG32(CSL_CTRL_MMR0_CFG0_BASE + 0x1D008, 0x68EF3490);
    /* write Partition 7 Lock Key 1 Register */
    HW_WR_REG32(CSL_CTRL_MMR0_CFG0_BASE + 0x1D00C, 0xD172BC5A);

    /* Check for unlock */
    regVal = HW_RD_REG32(CSL_CTRL_MMR0_CFG0_BASE + 0x1D008);
    while ((regVal & 0x1) != 0x1U)
    {
        regVal = HW_RD_REG32(CSL_CTRL_MMR0_CFG0_BASE + 0x1D008);
    }

    /* Unlocking done */
    regVal = HW_RD_REG32(CSL_CTRL_MMR0_CFG0_BASE + 0x1C280U);
    regVal |= 0x00000U;
    HW_WR_REG32(CSL_CTRL_MMR0_CFG0_BASE + 0x1C280U, regVal);

    return;
}

 

/**
* \brief   ISR after interrupt generation, sets global flag
*
* \retval  None
*/

static void appWdgISR(uintptr_t handle)
{
    appLogPrintf("[wdg]: %s, %d, %d, reset SOC...\n", __func__, __LINE__, wdg_cnt++);
    
    Sciclient_pmDeviceReset(SCICLIENT_SERVICE_WAIT_FOREVER);
#if 0

    uint32_t intrStatus;

#ifdef WDT_RESET
    int32_t status;
#endif

    RTIDwwdGetStatus(RTI_APP_RTI_CFG_BASE, &intrStatus);
    appLogPrintf("[wdg]: Interrupt Generated %d, 0x%x!!!\n", wdg_cnt, intrStatus);
//    appLogPrintf("[wdg]: Interrupt 0x%x\n", intrStatus);
    RTIDwwdClearStatus(RTI_APP_RTI_CFG_BASE, intrStatus);
//    appLogPrintf("[wdg]: Interrupt 0x%x\n", intrStatus);

    ESMClearIntrStatus(ESM_INSTANCE, ESM_ERR_SIG);

    if (wdg_cnt++ < 50)
    {
        appLogPrintf("[wdg]: %s, %d, %d\n", __func__, __LINE__, wdg_cnt);
        ESMResetErrPin(ESM_INSTANCE);
    }

#ifdef WDT_RESET
    if (wdg_cnt++ == 30)
    {
        status = Sciclient_pmDeviceReset(SCICLIENT_SERVICE_WAIT_FOREVER);
        if (status != 0)
        {
            appLogPrintf("[wdg]: Sciclient_pmDeviceReset Failed : stauts = %d!!!\n", status);
        }
    }
#endif
#endif
}

/**
* \brief   This API to register interrupt for a given instance.
*
*
* \return  0: Success, -1: Failure
*/
static int32_t appWdgInterruptConfig(void)
{
    int32_t retVal = 0;
    OsalRegisterIntrParams_t intrPrms;
    OsalInterruptRetCode_e osalRetVal;
    HwiP_Handle hwiHandle;
    uint32_t rtiIntNum;

    Osal_RegisterInterrupt_initParams(&intrPrms);
    intrPrms.corepacConfig.arg          = (uintptr_t)0;
    intrPrms.corepacConfig.priority     = 1U;
    intrPrms.corepacConfig.corepacEventNum = 0U; /* NOT USED ? */

    rtiIntNum = RTI_APP_WDT_INT_NUM;

    if (retVal == 0)
    {
        intrPrms.corepacConfig.isrRoutine   = &appWdgISR;
        intrPrms.corepacConfig.intVecNum    = rtiIntNum;
        osalRetVal = Osal_RegisterInterrupt(&intrPrms, &hwiHandle);
        if(OSAL_INT_SUCCESS != osalRetVal)
        {
            appLogPrintf("[wdg]: Error Could not register ISR !!!\n");
            retVal = -1;
        }
    }

    return retVal;

}

/**
* \brief   This API to calculate preload value from given time-out value.
*
* \param   rtiClockSource  RTI module clock source
*                          Values given by enum #rtiClockSource_t
*
* \param   timeoutVal      RTI DWWD time-out value in mili-seconds.
*
* \return  Preload value   Time-out value in RTI source clock cycles.
*/
static uint32_t appWdgGetPreloadValue(uint32_t rtiClkSource, uint32_t timeoutVal)
{
    uint32_t clkFreqKHz       = (uint32_t) RTI_CLOCK_SOURCE_32KHZ_FREQ_KHZ,
             timeoutNumCycles = 0;
             
    switch (rtiClkSource)
    {
        case RTI_CLOCK_SOURCE_32KHZ:
            clkFreqKHz = (uint32_t) RTI_CLOCK_SOURCE_32KHZ_FREQ_KHZ;
            break;
        default:
            break;
    }

    /* Get the clock ticks for given time-out value */
    timeoutNumCycles = timeoutVal * clkFreqKHz;

    return timeoutNumCycles;
}

static void WdgApp_ESMInit()
{
    /* ESM Soft Reset */
    appLogPrintf("[wdg]: %s, %d, ESM_INSTANCE = 0x%08x\n", __func__, __LINE__, ESM_INSTANCE);
    appLogPrintf("[wdg]: %s, %d, ESM_OPERATION_MODE_NORMAL = 0x%08x\n", __func__, __LINE__, ESM_OPERATION_MODE_NORMAL);
    appLogPrintf("[wdg]: %s, %d, ESM_ERR_SIG = 0x%08x\n", __func__, __LINE__, ESM_ERR_SIG);

    ESMReset(ESM_INSTANCE);

    /* The below function can be changed to force an error for diagnostic
     * reasons. Make sure we're not in force error mode */
    ESMSetMode(ESM_INSTANCE, ESM_OPERATION_MODE_NORMAL);

    /* Enable this ESM Error Signal */
    ESMEnableIntr(ESM_INSTANCE, ESM_ERR_SIG);

    /* Set the output interrupt priority level */
    ESMSetIntrPriorityLvl(ESM_INSTANCE, ESM_ERR_SIG,
                            ESM_INTR_PRIORITY_LEVEL_HIGH);

    /* Enable Error Pin on this ESM Error Signal */
    ESMSetInfluenceOnErrPin(ESM_INSTANCE, ESM_ERR_SIG, TRUE);

    /* Enable for all ESM Error Signals */
    ESMEnableGlobalIntr(ESM_INSTANCE);
}

volatile uint32_t appWdgService_flag = 1;
static void appWdgServiceTask(void *a0, void *a1)
{
    uint32_t loop_cnt = 0;
    appLogPrintf("Ethfw RTI Watchdog service task created...\n");
    while (appWdgService_flag) {
       RTIDwwdService(RTI_APP_RTI_CFG_BASE);
       TaskP_sleep(500);
       loop_cnt++;
       //appLogPrintf("Ethfw RTI Watchdog service lopcnt %d...\n", loop_cnt);
    }
}

static void appWdgSrvTaskCreate(void)
{
    TaskP_Handle task;
    TaskP_Params taskParams;
    
    /* Create initialization task */
    TaskP_Params_init(&taskParams);
    taskParams.priority = 2;
    taskParams.stack = &gEthAppRTIWdgBuf[0];
    taskParams.stacksize = sizeof(gEthAppRTIWdgBuf);
    taskParams.name = "EthFw RTI-Wdg Task";
    
    TaskP_create(&appWdgServiceTask, &taskParams);
}

static void appWdgSetup(void)
{
    uint32_t rtiModule, rtiWindow_size, rtiPreload_value, rtiReaction;
    int32_t  config_status;

    WdgApp_ESMInit();

    /* Register Interrupt */
    if(appWdgInterruptConfig() != 0)
    {
        appLogPrintf("RTI Interrupt configuration failed.\n");
        return;
    }

    appLogPrintf("Interrupt config complete\n");

    /* Configure RTI parameters */
    rtiModule        = RTI_APP_RTI_CFG_BASE;
    rtiWindow_size   = APP_RTI_DWWD_WINDOW_SIZE;
    rtiReaction      = APP_RTI_DWWD_REACTION;
    rtiPreload_value = appWdgGetPreloadValue((uint32_t) RTI_CLOCK_SOURCE_32KHZ, (uint32_t) APP_RTI_DWWD_TIMEOUT_VALUE);

    appLogPrintf("[wdg] base_addr = 0x%x\n", rtiModule);
    appLogPrintf("[wdg] rtiPreload_value = %u\n", rtiPreload_value);

    /* Select RTI module clock source */
    appWdgSetClockSource((uint32_t) RTI_CLOCK_SOURCE_32KHZ);
    config_status = RTIDwwdWindowConfig(rtiModule,
                                        rtiReaction,
                                        rtiPreload_value,
                                        rtiWindow_size);

    if (config_status == CSL_EFAIL)
    {
        appLogPrintf("[wdg]: Error during Window configuration.\n");
    }
    else
    {
        appLogPrintf("[wdg]: DWWD is configured for %u ms time-out \n", APP_RTI_DWWD_TIMEOUT_VALUE);
        appLogPrintf("[wdg]: DWWD will generate interrupt after above time-out period.\n");

        //AppWdg_EnableESMErrorPin();

        RTIDwwdCounterEnable(rtiModule);
        
        appWdgSrvTaskCreate();

        /* Let DWWD expire here */
        appLogPrintf("[wdg]: Wait for %u ms for interrupt to be generated by DWWD.\n", APP_RTI_DWWD_TIMEOUT_VALUE);
#if 0
        while (0U == isrFlag)
        {
            /* Wait for interrupt */
        }
#endif
        appLogPrintf("[wdg]: RTI App completed successfully.\n");
    }
}

 

 

int32_t appWdgInit(void)
{
    appLogPrintf("WDG: Init ... !!!\n");
    appWdgSetup();

    return 0;

}

main_rti.h

and for Linux, you can try following command, with different board name

test command:

./runltp -P j7200-evm -f ddt/wdt_test -s "WDT_M_FUNC_WRI"

0 Junyan Yang 11 months ago in reply to Semon Zhang

Intellectual 350 points

Hi Semon,

Semon Zhang said:
and for Linux, you can try following command, with different board name

I ran the test command you provided,

./runltp -P j721e-evm -f ddt/wdt_test -s "WDT_M_FUNC_WRI"

And the test log is make sense or not? (following)

root@j721e-evm:/opt/ltp#   ./runltp -P j721e-evm -f ddt/wdt_test -s "WDT_M_FUNC_WRI"
INFO: Filtering testscenarios based on j721e-evm capabilities
awk: cmd. line:1: warning: regexp escape sequence `\&' is not a known regexp operator
Checking for required user/group ids

'root' user id and group found.
'nobody' user id and group found.
'bin' user id and group found.
'daemon' user id and group found.
Users group found.
Sys group found.
Required users/groups exist.
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

/etc/os-release
ID=arago
NAME="Arago"
VERSION="2023.10"
VERSION_ID=2023.10
PRETTY_NAME="Arago 2023.10"

uname:
Linux j721e-evm 6.1.80 #4 SMP PREEMPT Fri Nov  1 12:01:21 CST 2024 aarch64 aarch64 aarch64 GNU/Linux

/proc/cmdline
console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000 root=PARTUUID=79ba9ee9-02 rw rootfstype=ext4 rootwait

Gnu C                  gcc (GCC) 11.4.0
Clang
Gnu make               4.3
util-linux             2.37.4
mount                  linux 2.37.4 (libmount 2.37.4: btrfs, namespaces, assert, debug)
modutils               29
e2fsprogs              1.46.5
Linux C Library        x 1 1018 1018 1630088 Mar  9  2018 /lib/libc.so.6
Dynamic linker (ldd)   2.35
Linux C++ Library      6.0.29
Procps                 3.3.17-dirty
Net-tools              2.10
iproute2               iproute2-5.17.0
iputils                'V'
ethtool                5.16
Sh-utils               9.0
Modules Loaded         brcm_xgbe pci_endpoint_test xhci_plat_hcd ti_am335x_adc kfifo_buf omap_rng rpmsg_ctrl rpmsg_char cdns3 pru_rproc irq_pruss_intc cdns_usb_common overlay wlan_cnss_core_pcie display_connector drm_kms_helper crct10dif_ce cfg80211 syscopyarea sysfillrect sysimgblt rfkill fb_sys_fops phy_can_transceiver ti_k3_r5_remoteproc vxd_dec vxe_enc videobuf2_dma_sg videobuf2_dma_contig videobuf2_memops v4l2_mem2mem k3_j72xx_bandgap videobuf2_v4l2 ti_am335x_tscadc videobuf2_common videodev pruss mc ti_k3_dsp_remoteproc sa2ul virtio_rpmsg_bus rpmsg_ns ti_k3_common cdns_dphy_rx cdns3_ti pci_j721e_host pci_j721e pcie_cadence_host pcie_cadence optee_rng rti_wdt spi_omap2_mcspi rng_core cryptodev fuse drm drm_panel_orientation_quirks ipv6

free reports:
               total        used        free      shared  buff/cache   available
Mem:         2221908      166140     1547036        9336      508732     1860852
Swap:              0           0           0

cpuinfo:
Architecture:            aarch64
  CPU op-mode(s):        32-bit, 64-bit
  Byte Order:            Little Endian
CPU(s):                  2
  On-line CPU(s) list:   0,1
Vendor ID:               ARM
  Model name:            Cortex-A72
    Model:               0
    Thread(s) per core:  1
    Core(s) per cluster: 2
    Socket(s):           -
    Cluster(s):          1
    Stepping:            r1p0
    BogoMIPS:            400.00
    Flags:               fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
Caches (sum of all):
  L1d:                   64 KiB (2 instances)
  L1i:                   96 KiB (2 instances)
  L2:                    1 MiB (1 instance)
Vulnerabilities:
  Gather data sampling:  Not affected
  Itlb multihit:         Not affected
  L1tf:                  Not affected
  Mds:                   Not affected
  Meltdown:              Not affected
  Mmio stale data:       Not affected
  Retbleed:              Not affected
  Spec rstack overflow:  Not affected
  Spec store bypass:     Not affected
  Spectre v1:            Mitigation; __user pointer sanitization
  Spectre v2:            Mitigation; CSV2, BHB
  Srbds:                 Not affected
  Tsx async abort:       Not affected

available filesystems:
autofs bdev bpf cgroup cgroup2 configfs cpuset debugfs devpts devtmpfs ext2 ext3 ext4 fuse fuseblk fusectl hugetlbfs mqueue nfs nfs4 overlay pipefs proc pstore ramfs rpc_pipefs securityfs sockfs squashfs sysfs tmpfs ubifs vfat

mounted filesystems (/proc/mounts):
/dev/root / ext4 rw,relatime 0 0
devtmpfs /dev devtmpfs rw,relatime,size=847816k,nr_inodes=211954,mode=755 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0
devpts /dev/pts devpts rw,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /run tmpfs rw,nosuid,nodev,size=444384k,nr_inodes=819200,mode=755 0 0
tmpfs /sys/fs/cgroup tmpfs ro,nosuid,nodev,noexec,size=4096k,nr_inodes=1024,mode=755 0 0
cgroup2 /sys/fs/cgroup/unified cgroup2 rw,nosuid,nodev,noexec,relatime,nsdelegate 0 0
cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,xattr,name=systemd 0 0
pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0
bpf /sys/fs/bpf bpf rw,nosuid,nodev,noexec,relatime,mode=700 0 0
cgroup /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0
cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0
cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0
cgroup /sys/fs/cgroup/memory cgroup rw,nosuid,nodev,noexec,relatime,memory 0 0
cgroup /sys/fs/cgroup/pids cgroup rw,nosuid,nodev,noexec,relatime,pids 0 0
cgroup /sys/fs/cgroup/perf_event cgroup rw,nosuid,nodev,noexec,relatime,perf_event 0 0
cgroup /sys/fs/cgroup/net_cls,net_prio cgroup rw,nosuid,nodev,noexec,relatime,net_cls,net_prio 0 0
cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0
cgroup /sys/fs/cgroup/devices cgroup rw,nosuid,nodev,noexec,relatime,devices 0 0
cgroup /sys/fs/cgroup/hugetlb cgroup rw,nosuid,nodev,noexec,relatime,hugetlb 0 0
hugetlbfs /dev/hugepages hugetlbfs rw,relatime,pagesize=2M 0 0
mqueue /dev/mqueue mqueue rw,nosuid,nodev,noexec,relatime 0 0
debugfs /sys/kernel/debug debugfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /tmp tmpfs rw,nosuid,nodev,size=1110956k,nr_inodes=1048576 0 0
fusectl /sys/fs/fuse/connections fusectl rw,nosuid,nodev,noexec,relatime 0 0
configfs /sys/kernel/config configfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /media/ram tmpfs rw,relatime,size=16384k 0 0
tmpfs /var/volatile tmpfs rw,relatime,size=51200k 0 0
/dev/mmcblk1p1 /run/media/BOOT-mmcblk1p1 vfat rw,relatime,gid=6,fmask=0007,dmask=0007,allow_utime=0020,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro 0 0

mounted filesystems (df):
Filesystem     Type      Size  Used Avail Use% Mounted on
/dev/root      ext4       59G  6.0G   50G  11% /
devtmpfs       devtmpfs  828M  4.0K  828M   1% /dev
tmpfs          tmpfs     1.1G     0  1.1G   0% /dev/shm
tmpfs          tmpfs     434M  9.2M  425M   3% /run
tmpfs          tmpfs     4.0M     0  4.0M   0% /sys/fs/cgroup
[  613.523627] LTP: starting WDT_M_FUNC_WRITE (source 'common.sh'; do_cmd install_modules.sh 'wdt' ; DEV_NODE=`get_devnode.sh "wdt"` || die "error getting devnode for wdt"; do_cmd wdt_tests -device $DEV_NODE -ioctl -write)
tmpfs          tmpfs     1.1G   12K  1.1G   1% /tmp
tmpfs          tmpfs      16M     0   16M   0% /media/ram
tmpfs          tmpfs      50M     0   50M   0% /var/volatile
/dev/mmcblk1p1 vfat      127M  5.9M  121M   5% /run/media/BOOT-mmcblk1p1

AppArmor disabled

SELinux mode: unknown
no big block device was specified on commandline.
Tests which require a big block device are disabled.
You can specify it with option -z
COMMAND:    /opt/ltp/bin/ltp-pan   -e -S   -a 1178     -n 1178 -p -f /tmp/ltp-ByWP3XnFCi/alltests -l /tmp/tmp.TtMvufhvKv  -C /opt/ltp/output/LTP_RUN_ON-tmp.TtMvufhvKv.failed -T /opt/ltp/output/LTP_RUN_ON-tmp.TtMvufhvKv.tconf
INFO: Restricted to WDT_M_FUNC_WRI
LOG File: /tmp/tmp.TtMvufhvKv
FAILED COMMAND File: /opt/ltp/output/LTP_RUN_ON-tmp.TtMvufhvKv.failed
TCONF COMMAND File: /opt/ltp/output/LTP_RUN_ON-tmp.TtMvufhvKv.tconf
Running tests.......
<<<test_start>>>
tag=WDT_M_FUNC_WRITE stime=1651168351
cmdline="source 'common.sh'; do_cmd install_modules.sh 'wdt' ; DEV_NODE=`get_devnode.sh "wdt"` || die "error getting devnode for wdt"; do_cmd wdt_tests -device $DEV_NODE -ioctl -write"
contacts=""
analysis=exit
<<<test_output>>>
|TRACE LOG|Inside do_cmd:CMD=install_modules.sh wdt|
|TRACE LOG|Inside do_cmd:CMD=wdt_tests -device /dev/watchdog -ioctl -write|


|TEST START|wdt_tests|
|TRACE LOG|******** WDT Testcase  parameters  ******** |
|TRACE LOG|Device         : /dev/watchdog|
|TRACE LOG|Loop Count     : 1|
|TRACE LOG|I/O Operation  : Write|
|TRACE LOG|Operation      : Ioctl|
|TRACE LOG|Ioctl Name     : WDIOC_KEEPALIVE|
|TRACE LOG|Ioctl Arg      : 0 |
|TRACE LOG| ************* End of Test params ************* |
|TRACE LOG|Keeping WDT alive, sleep counter -0(sec)|
|TEST RESULT|PASS|wdt_tests|
|TEST END|wdt_tests|
|TRACE LOG|EVM will be rebooted after 60 seconds|
|TRACE LOG|59 seconds remaining before reboot|
|TRACE LOG|58 seconds remaining before reboot|
|TRACE LOG|57 seconds remaining before reboot|
|TRACE LOG|56 seconds remaining before reboot|
|TRACE LOG|55 seconds remaining before reboot|
|TRACE LOG|54 seconds remaining before reboot|
|TRACE LOG|53 seconds remaining before reboot|
|TRACE LOG|52 seconds remaining before reboot|
|TRACE LOG|51 seconds remaining before reboot|
|TRACE LOG|50 seconds remaining before reboot|
|TRACE LOG|49 seconds remaining before reboot|
|TRACE LOG|48 seconds remaining before reboot|
|TRACE LOG|47 seconds remaining before reboot|
|TRACE LOG|46 seconds remaining before reboot|
|TRACE LOG|45 seconds remaining before reboot|
|TRACE LOG|44 seconds remaining before reboot|
|TRACE LOG|43 seconds remaining before reboot|
|TRACE LOG|42 seconds remaining before reboot|
|TRACE LOG|41 seconds remaining before reboot|
|TRACE LOG|40 seconds remaining before reboot|
|TRACE LOG|39 seconds remaining before reboot|
|TRACE LOG|38 seconds remaining before reboot|
|TRACE LOG|37 seconds remaining before reboot|
|TRACE LOG|36 seconds remaining before reboot|
|TRACE LOG|35 seconds remaining before reboot|
|TRACE LOG|34 seconds remaining before reboot|
|TRACE LOG|33 seconds remaining before reboot|
|TRACE LOG|32 seconds remaining before reboot|
|TRACE LOG|31 seconds remaining before reboot|
|TRACE LOG|30 seconds remaining before reboot|
|TRACE LOG|29 seconds remaining before reboot|
|TRACE LOG|28 seconds remaining before reboot|
|TRACE LOG|27 seconds remaining before reboot|
|TRACE LOG|26 seconds remaining before reboot|
|TRACE LOG|25 seconds remaining before reboot|
|TRACE LOG|24 seconds remaining before reboot|
|TRACE LOG|23 seconds remaining before reboot|
|TRACE LOG|22 seconds remaining before reboot|
|TRACE LOG|21 seconds remaining before reboot|
|TRACE LOG|20 seconds remaining before reboot|
|TRACE LOG|19 seconds remaining before reboot|
|TRACE LOG|18 seconds remaining before reboot|
|TRACE LOG|17 seconds remaining before reboot|
|TRACE LOG|16 seconds remaining before reboot|
|TRACE LOG|15 seconds remaining before reboot|
|TRACE LOG|14 seconds remaining before reboot|
|TRACE LOG|13 seconds remaining before reboot|
|TRACE LOG|12 seconds remaining before reboot|
|TRACE LOG|11 seconds remaining before reboot|
|TRACE LOG|10 seconds remaining before reboot|
|TRACE LOG|9 seconds remaining before reboot|
|TRACE LOG|8 seconds remaining before reboot|
|TRACE LOG|7 seconds remaining before reboot|
|TRACE LOG|6 seconds remaining before reboot|
|TRACE LOG|5 seconds remaining before reboot|
|TRACE LOG|4 seconds remaining before reboot|
|TRACE LOG|3 seconds remaining before reboot|
|TRACE LOG|2 seconds remaining before reboot|
|TRACE LOG|1 seconds remaining before reboot|
|TRACE LOG|0 seconds remaining before reboot|
|TRACE LOG|-1 seconds remaining before reboot|
|TRACE LOG|-2 seconds remaining before reboot|
|TRACE LOG|-3 seconds remaining before reboot|
|TRACE LOG|-4 seconds remaining before reboot|
|TRACE LOG|-5 seconds remaining before reboot|
|TRACE LOG|-6 seconds remaining before reboot|
|TRACE LOG|-7 seconds remaining before reboot|
|TRACE LOG|-8 seconds remaining before reboot|
|TRACE LOG|-9 seconds remaining before reboot|
|TRACE LOG|-10 seconds remaining before reboot|
|TRACE LOG|-11 seconds remaining before reboot|
|TRACE LOG|-12 seconds remaining before reboot|
|TRACE LOG|-13 seconds remaining before reboot|
|TRACE LOG|-14 seconds remaining before reboot|
|TRACE LOG|-15 seconds remaining before reboot|
|TRACE LOG|-16 seconds remaining before reboot|
|TRACE LOG|-17 seconds remaining before reboot|
|TRACE LOG|-18 seconds remaining before reboot|
|TRACE LOG|-19 seconds remaining before reboot|
|TRACE LOG|-20 seconds remaining before reboot|
|TRACE LOG|-21 seconds remaining before reboot|
|TRACE LOG|-22 seconds remaining before reboot|
|TRACE LOG|-23 seconds remaining before reboot|
|TRACE LOG|-24 seconds remaining before reboot|
|TRACE LOG|-25 seconds remaining before reboot|

Semon Zhang said:
please refer to following files for R5F watchdog

Sorry to ask how the test code of R5f should be compiled, packaged and run. I don't know much about the rtos side of the logic.

Regrads,

Maxiel

0 Keerthy J 11 months ago in reply to Junyan Yang

TI__Guru**** 163880 points

Hello Maxiel,

Watchdog triggering is one part. Then the Signal has to routed via ESM module to PMIC. Is that taken care of on your custom board?

- Keerthy

0 Junyan Yang 11 months ago in reply to Keerthy J

Intellectual 350 points

Hi Keerthy,

Keerthy J said:
Watchdog triggering is one part. Then the Signal has to routed via ESM module to PMIC. Is that taken care of on your custom board?

Maybe not. And how can I implement signal routing?

Regrads,

Maxiel

0 Junyan Yang 11 months ago in reply to Keerthy J

Intellectual 350 points

Hi Keerthy,

I found a E2E about how to enable watchdog on J784S4 : https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1261103/faq-j784s4xevm-how-to-enable-main-domain-watchdog.

Can give me some patches similar to this E2E. Our SDK version is 09.02.04

Regrads,

Maxiel

0 Semon Zhang 11 months ago in reply to Junyan Yang

TI__Expert 8771 points

Junyan Yang said:
I found a E2E about how to enable watchdog on J784S4 : https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1261103/faq-j784s4xevm-how-to-enable-main-domain-watchdog.

hello Junyan

what's purpose of using the RTI watchdog,

each CORE has its own RTI watchdog, you should change the configuration in my example code if you run it in different CORE, my example is on MCU2_0 and is used to reset the SOC, if you want to trigger ESM or other purpose, need to add further handling code

Regards

Semon

0 Junyan Yang 11 months ago in reply to Semon Zhang

Intellectual 350 points

Hi Semon,

Semon Zhang said:
what's purpose of using the RTI watchdog,

According to the requirements I got, RTI watchdog is used to monitor core business processes. But, the specific monitoring logic is not released to us.

Therefore, we would like to break through the standard RTI logic similar to above E2E.

Also, let's focus on A72 for now and deal with R5f later.

Regrads,

Maxiel

0 Semon Zhang 11 months ago in reply to Junyan Yang

TI__Expert 8771 points

Junyan Yang said:
According to the requirements I got, RTI watchdog is used to monitor core business processes. But, the specific monitoring logic is not released to us.

Therefore, we would like to break through the standard RTI logic similar to above E2E.

Also, let's focus on A72 for now and deal with R5f later.

Hi Maxiel

A72 SDK9.2 already support Watchdog, refer toL

(+) TDA4VM: TDA4 A72 linux watchdog issue - Processors forum - Processors - TI E2E support forums

Regards

Semon

0 Junyan Yang 11 months ago in reply to Semon Zhang

Intellectual 350 points

Hi Semon,

Yes, I have seen this E2E, run the corresponding test command, and give the test log.

Junyan Yang said:
And the test log is make sense or not? (following)

1) So, I want to check with TI, the test log is make sense or not? And why didn't the system reboot after the countdown?

2) As Keerthy said, we need make sure that the ESM modules (main ESM, MCU ESM, and WKUP ESM) are all enabled. How can I check this?

3) According to my preliminary inquiry, I didn`t find the ESM node in dts.

For the above questions, I want to double check with TI.

Regrads,

Maxiel

0 Keerthy J 11 months ago in reply to Junyan Yang

TI__Guru**** 163880 points

Yang,

Just a quick check. I have seen on EVM the reset happen even after -60 Seconds. Can you run till -200 Seconds?
Just to check?

- Keerthy

0 Junyan Yang 11 months ago in reply to Keerthy J

Intellectual 350 points

Hi Keerthy,

Keerthy J said:
Just a quick check. I have seen on EVM the reset happen even after -60 Seconds. Can you run till -200 Seconds?

The reset didn't happen.

root@j721e-evm:/opt/ltp# ./runltp -P j721e-evm -f ddt/wdt_test -s "WDT_M_FUNC_WRI"
INFO: creating /opt/ltp/output directory
INFO: creating /opt/ltp/results directory
INFO: Filtering testscenarios based on j721e-evm capabilities
awk: cmd. line:1: warning: regexp escape sequence `\&' is not a known regexp operator
Checking for required user/group ids

'root' user id and group found.
'nobody' user id and group found.
'bin' user id and group found.
'daemon' user id and group found.
Users group found.
Sys group found.
Required users/groups exist.
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

/etc/os-release
ID=arago
NAME="Arago"
VERSION="2023.10"
VERSION_ID=2023.10
PRETTY_NAME="Arago 2023.10"

uname:
Linux j721e-evm 6.1.80 #1 SMP PREEMPT Tue Nov  5 06:45:16 UTC 2024 aarch64 aarch64 aarch64 GNU/Linux

/proc/cmdline
console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000 root=PARTUUID=272bae6d-02 rw rootfstype=ext4 rootwait

Gnu C                  gcc (GCC) 11.4.0
Clang
Gnu make               4.3
util-linux             2.37.4
mount                  linux 2.37.4 (libmount 2.37.4: btrfs, namespaces, assert, debug)
modutils               29
e2fsprogs              1.46.5
Linux C Library        x 1 1001 1001 1630088 Mar  9  2018 /lib/libc.so.6
Dynamic linker (ldd)   2.35
Linux C++ Library      6.0.29
Procps                 3.3.17-dirty
Net-tools              2.10
iproute2               iproute2-5.17.0
iputils                'V'
ethtool                5.16
Sh-utils               9.0
Modules Loaded         brcm_xgbe pci_endpoint_test overlay cfg80211 rfkill xhci_plat_hcd ti_am335x_adc kfifo_buf rpmsg_ctrl irq_pruss_intc pru_rproc rpmsg_char omap_rng cdns3 cdns_usb_common wlan_cnss_core_pcie crct10dif_ce display_connector drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops phy_can_transceiver vxe_enc vxd_dec ti_k3_r5_remoteproc videobuf2_dma_sg videobuf2_dma_contig videobuf2_memops v4l2_mem2mem videobuf2_v4l2 k3_j72xx_bandgap videobuf2_common ti_am335x_tscadc pruss videodev ti_k3_dsp_remoteproc mc virtio_rpmsg_bus rpmsg_ns sa2ul pci_j721e_host cdns_dphy_rx ti_k3_common cdns3_ti pci_j721e spi_omap2_mcspi pcie_cadence_host optee_rng pcie_cadence rng_core rti_wdt cryptodev fuse drm drm_panel_orientation_quirks ipv6

free reports:
               total        used        free      shared  buff/cache   available
Mem:         2221908      160124     1766344        9348      295440     1912016
Swap:              0           0           0

cpuinfo:
Architecture:            aarch64
  CPU op-mode(s):        32-bit, 64-bit
  Byte Order:            Little Endian
CPU(s):                  2
  On-line CPU(s) list:   0,1
Vendor ID:               ARM
  Model name:            Cortex-A72
    Model:               0
    Thread(s) per core:  1
    Core(s) per cluster: 2
    Socket(s):           -
    Cluster(s):          1
    Stepping:            r1p0
    BogoMIPS:            400.00
    Flags:               fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
Caches (sum of all):
  L1d:                   64 KiB (2 instances)
  L1i:                   96 KiB (2 instances)
  L2:                    1 MiB (1 instance)
Vulnerabilities:
  Gather data sampling:  Not affected
  Itlb multihit:         Not affected
  L1tf:                  Not affected
  Mds:                   Not affected
  Meltdown:              Not affected
  Mmio stale data:       Not affected
  Retbleed:              Not affected
  Spec rstack overflow:  Not affected
  Spec store bypass:     Not affected
  Spectre v1:            Mitigation; __user pointer sanitization
  Spectre v2:            Mitigation; CSV2, BHB
  Srbds:                 Not affected
  Tsx async abort:       Not affected

available filesystems:
autofs bdev bpf cgroup cgroup2 configfs cpuset debugfs devpts devtmpfs ext2 ext3 ext4 fuse fuseblk fusectl hugetlbfs mqueue nfs nfs4 overlay pipefs proc pstore ramfs rpc_pipefs securityfs sockfs squashfs sysfs tmpfs ubifs vfat

mounted filesystems (/proc/mounts):
/dev/root / ext4 rw,relatime 0 0
devtmpfs /dev devtmpfs rw,relatime,size=847816k,nr_inodes=211954,mode=755 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0
devpts /dev/pts devpts rw,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /run tmpfs rw,nosuid,nodev,size=444384k,nr_inodes=819200,mode=755 0 0
tmpfs /sys/fs/cgroup tmpfs ro,nosuid,nodev,noexec,size=4096k,nr_inodes=1024,mode=755 0 0
cgroup2 /sys/fs/cgroup/unified cgroup2 rw,nosuid,nodev,noexec,relatime,nsdelegate 0 0
cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,xattr,name=systemd 0 0
pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0
bpf /sys/fs/bpf bpf rw,nosuid,nodev,noexec,relatime,mode=700 0 0
cgroup /sys/fs/cgroup/net_cls,net_prio cgroup rw,nosuid,nodev,noexec,relatime,net_cls,net_prio 0 0
cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0
cgroup /sys/fs/cgroup/perf_event cgroup rw,nosuid,nodev,noexec,relatime,perf_event 0 0
cgroup /sys/fs/cgroup/pids cgroup rw,nosuid,nodev,noexec,relatime,pids 0 0
cgroup /sys/fs/cgroup/devices cgroup rw,nosuid,nodev,noexec,relatime,devices 0 0
cgroup /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0
cgroup /sys/fs/cgroup/memory cgroup rw,nosuid,nodev,noexec,relatime,memory 0 0
cgroup /sys/fs/cgroup/hugetlb cgroup rw,nosuid,nodev,noexec,relatime,hugetlb 0 0
cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0
cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0
hugetlbfs /dev/hugepages hugetlbfs rw,relatime,pagesize=2M 0 0
mqueue /dev/mqueue mqueue rw,nosuid,nodev,noexec,relatime 0 0
debugfs /sys/kernel/debug debugfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /tmp tmpfs rw,nosuid,nodev,size=1110956k,nr_inodes=1048576 0 0
fusectl /sys/fs/fuse/connections fusectl rw,nosuid,nodev,noexec,relatime 0 0
configfs /sys/kernel/config configfs rw,nosuid,nodev,noexec,relatime 0 0
ramfs /run/credentials/systemd-sysusers.service ramfs ro,nosuid,nodev,noexec,relatime,mode=700 0 0
tmpfs /media/ram tmpfs rw,relatime,size=16384k 0 0
tmpfs /var/volatile tmpfs rw,relatime,size=51200k 0 0
/dev/mmcblk1p1 /run/media/BOOT-mmcblk1p1 vfat rw,relatime,gid=6,fmask=0007,dmask=0007,allow_utime=0020,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro 0 0

mounte[ 5436.038470] LTP: starting WDT_M_FUNC_WRITE (source 'common.sh'; do_cmd install_modules.sh 'wdt' ; DEV_NODE=`get_devnode.sh "wdt"` || die "error getting devnode for wdt"; do_cmd wdt_tests -device $DEV_NODE -ioctl -write)
d filesystems (df):
Filesystem     Type      Size  Used Avail Use% Mounted on
/dev/root      ext4       59G  6.0G   50G  11% /
devtmpfs       devtmpfs  828M  4.0K  828M   1% /dev
tmpfs          tmpfs     1.1G     0  1.1G   0% /dev/shm
tmpfs          tmpfs     434M  9.2M  425M   3% /run
tmpfs          tmpfs     4.0M     0  4.0M   0% /sys/fs/cgroup
tmpfs          tmpfs     1.1G   12K  1.1G   1% /tmp
tmpfs          tmpfs      16M     0   16M   0% /media/ram
tmpfs          tmpfs      50M     0   50M   0% /var/volatile
/dev/mmcblk1p1 vfat      127M  5.9M  121M   5% /run/media/BOOT-mmcblk1p1

AppArmor disabled

SELinux mode: unknown
no big block device was specified on commandline.
Tests which require a big block device are disabled.
You can specify it with option -z
COMMAND:    /opt/ltp/bin/ltp-pan   -e -S   -a 1197     -n 1197 -p -f /tmp/ltp-gjx9BU6Ecj/alltests -l /tmp/tmp.8PiP1JPWwv  -C /opt/ltp/output/LTP_RUN_ON-tmp.8PiP1JPWwv.failed -T /opt/ltp/output/LTP_RUN_ON-tmp.8PiP1JPWwv.tconf
INFO: Restricted to WDT_M_FUNC_WRI
LOG File: /tmp/tmp.8PiP1JPWwv
FAILED COMMAND File: /opt/ltp/output/LTP_RUN_ON-tmp.8PiP1JPWwv.failed
TCONF COMMAND File: /opt/ltp/output/LTP_RUN_ON-tmp.8PiP1JPWwv.tconf
Running tests.......
<<<test_start>>>
tag=WDT_M_FUNC_WRITE stime=1651173175
cmdline="source 'common.sh'; do_cmd install_modules.sh 'wdt' ; DEV_NODE=`get_devnode.sh "wdt"` || die "error getting devnode for wdt"; do_cmd wdt_tests -device $DEV_NODE -ioctl -write"
contacts=""
analysis=exit
<<<test_output>>>
|TRACE LOG|Inside do_cmd:CMD=install_modules.sh wdt|
|TRACE LOG|Inside do_cmd:CMD=wdt_tests -device /dev/watchdog -ioctl -write|


|TEST START|wdt_tests|
|TRACE LOG|******** WDT Testcase  parameters  ******** |
|TRACE LOG|Device         : /dev/watchdog|
|TRACE LOG|Loop Count     : 1|
|TRACE LOG|I/O Operation  : Write|
|TRACE LOG|Operation      : Ioctl|
|TRACE LOG|Ioctl Name     : WDIOC_KEEPALIVE|
|TRACE LOG|Ioctl Arg      : 0 |
|TRACE LOG| ************* End of Test params ************* |
|TRACE LOG|Keeping WDT alive, sleep counter -0(sec)|
|TEST RESULT|PASS|wdt_tests|
|TEST END|wdt_tests|
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Could this indirectly indicate that the ESM is not enabled.

Regrads,

Maxiel

0 Keerthy J 11 months ago in reply to Junyan Yang

TI__Guru**** 163880 points

Hi,

Potentially yes. The ESM is configured in R5 SPL in the U-Boot repo.

drivers/misc/k3_esm.c
driver/misc/esm_pmic.c

https://source.devboardsforandroid.linaro.org/platform/external/u-boot/+/54a54a63139e6986da579ef5be984eb3e67cffb1/drivers/misc/k3_esm.c#75

https://source.devboardsforandroid.linaro.org/platform/external/u-boot/+/54a54a63139e6986da579ef5be984eb3e67cffb1/drivers/misc/esm_pmic.c#34

You can add debug prints in the probe function in the SDK U-Boot folder in the above functions to check if they are indeed called.

- Keerthy

0 Junyan Yang 11 months ago in reply to Keerthy J

Intellectual 350 points

Hi keerthy,

Keerthy J said:
You can add debug prints in the probe function in the SDK U-Boot folder in the above functions to check if they are indeed called.

k3_esm.c and esm_pmic.c are indeed called.

But, the ESM PMIC init failed

Regrads,

Maxiel

0 Keerthy J 11 months ago in reply to Junyan Yang

TI__Guru**** 163880 points

Hello Maxiel,

Please check why PMIC ESM driver is failing. DRA829-EVM uses TPS6594x PMIC. In case you are using a different one then it will fail.
Which PMIC is being used?

- Keerthy

0 Junyan Yang 11 months ago in reply to Keerthy J

Intellectual 350 points

Hi Keerthy,

Keerthy J said:
Which PMIC is being used?

The PMIC-A and PMIC-B are TPS6594x

However, according to our hardware engineers, they disabled ESM functionality in hardware.

It's not clear to me if this is one of the reasons for the init error.

If yes, how should we solve this problem and whether it can be solved by modifying the register?

A more detailed debug log shows that spl_board_init fails to match the "pmic_esm" driver.

Log:

code:

Regrads,

Maxiel

0 Junyan Yang 11 months ago in reply to Junyan Yang

Intellectual 350 points

Hi Keerthy,

This is a supplement.

I found that the name of "pmic_esm" driver is esm_pmic.

Regrads,

Maxiel

0 Keerthy J 11 months ago in reply to Junyan Yang

TI__Guru**** 163880 points

Junyan Yang said:
according to our hardware engineers, they disabled ESM functionality in hardware.

If the esm cannot interrupt pmic then watchdog reset won't work. It's still not clear from your logs which exact pmic esm function is failing.

I see probe finished prints. So where is it failing?

Best regards,

Keerthy

0 Junyan Yang 11 months ago in reply to Keerthy J

Intellectual 350 points

Hi Keerthy,

Keerthy J said:
I see probe finished prints. So where is it failing?

The "k3_esm.c" is probe finished, and the The error print is from "esm_pmic.c".

Keerthy J said:
If the esm cannot interrupt pmic then watchdog reset won't work.

You mean we need to modify the hardware design, right?

Regrads,

Maxiel

0 Junyan Yang 11 months ago in reply to Junyan Yang

Intellectual 350 points

And, learn from https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1261103/faq-j784s4xevm-how-to-enable-main-domain-watchdog.

there is no wkup_esm device node in the dts of J721e platform.

Also, the dts of the J721e platform and the dts of the J784S4 platform are so different that I don't know which dts file to modify.

Regrads,

Maxiel

0 Keerthy J 11 months ago in reply to Junyan Yang

TI__Guru**** 163880 points

Junyan Yang said:
there is no wkup_esm device node in the dts of J721e platform.

You are using DRA829 then please follow j721e.

- Keerthy

0 Junyan Yang 11 months ago in reply to Keerthy J

Intellectual 350 points

Keerthy J said:
You are using DRA829 then please follow j721e.

Yes, I'm using DRA829. But, I didn't find a relevant case on the J721e platform.

Junyan Yang said:
And, learn from https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1261103/faq-j784s4xevm-how-to-enable-main-domain-watchdog.

So, you mean this E2E case is not helpful for my current problem? Based on my current situation, what should I do next?

Best,

Maxiel

0 Junyan Yang 11 months ago in reply to Keerthy J

Intellectual 350 points

Hi Keerthy,

I solved the issue. In Version 09.02.04 SDK, the CONFIG_SYS_I2C_OMAP24XX is disabled. I enabled it, and the "esm_pmic.c" probe succeed.

And the test command worked well, soc restart after the countdown.

Log show:

root@j721e-evm:~# cd /opt/ltp/
root@j721e-evm:/opt/ltp#    ./runltp -P j721e-evm -f ddt/wdt_test -s "WDT_M_FUNC_WRI"
INFO: creating /opt/ltp/output directory
INFO: creating /opt/ltp/results directory
INFO: Filtering testscenarios based on j721e-evm capabilities
awk: cmd. line:1: warning: regexp escape sequence `\&' is not a known regexp operator
Checking for required user/group ids

'root' user id and group found.
'nobody' user id and group found.
'bin' user id and group found.
'daemon' user id and group found.
Users group found.
Sys group found.
Required users/groups exist.
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

/etc/os-release
ID=arago
NAME="Arago"
VERSION="2023.10"
VERSION_ID=2023.10
PRETTY_NAME="Arago 2023.10"

uname:
Linux j721e-evm 6.1.80 #41 SMP PREEMPT Wed Nov  6 03:10:07 UTC 2024 aarch64 aarch64 aarch64 GNU/Linux

/proc/cmdline
console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000 root=PARTUUID=0afa928d-02 rw rootfstype=ext4 rootwait

Gnu C                  gcc (GCC) 11.4.0
Clang
Gnu make               4.3
util-linux             2.37.4
mount                  linux 2.37.4 (libmount 2.37.4: btrfs, namespaces, assert, debug)
modutils               29
e2fsprogs              1.46.5
Linux C Library        x 1 1001 1001 1630088 Mar  9  2018 /lib/libc.so.6
Dynamic linker (ldd)   2.35
Linux C++ Library      6.0.29
Procps                 3.3.17-dirty
Net-tools              2.10
iproute2               iproute2-5.17.0
iputils                'V'
ethtool                5.16
Sh-utils               9.0
Modules Loaded         brcm_xgbe pci_endpoint_test overlay cfg80211 rfkill xhci_plat_hcd ti_am335x_adc pru_rproc kfifo_buf irq_pruss_intc rpmsg_ctrl rpmsg_char cdns3 omap_rng cdns_usb_common wlan_cnss_core_pcie crct10dif_ce display_connector drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops phy_can_transceiver vxe_enc vxd_dec ti_k3_r5_remoteproc videobuf2_dma_contig videobuf2_dma_sg k3_j72xx_bandgap videobuf2_memops pruss v4l2_mem2mem ti_am335x_tscadc videobuf2_v4l2 videobuf2_common videodev ti_k3_dsp_remoteproc pci_j721e_host mc virtio_rpmsg_bus pci_j721e pcie_cadence_host sa2ul rpmsg_ns pcie_cadence cdns_dphy_rx ti_k3_common cdns3_ti optee_rng rng_core spi_omap2_mcspi rti_wdt cryptodev fuse drm drm_panel_orientation_quirks ipv6

free reports:
               total        used        free      shared  buff/cache   available
Mem:         2221908      159312     1768472        9340      294124     1912948
Swap:              0           0           0

cpuinfo:
Architecture:            aarch64
  CPU op-mode(s):        32-bit, 64-bit
  Byte Order:            Little Endian
CPU(s):                  2
  On-line CPU(s) list:   0,1
Vendor ID:               ARM
  Model name:            Cortex-A72
    Model:               0
    Thread(s) per core:  1
    Core(s) per cluster: 2
    Socket(s):           -
    Cluster(s):          1
    Stepping:            r1p0
    BogoMIPS:            400.00
    Flags:               fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
Caches (sum of all):
  L1d:                   64 KiB (2 instances)
  L1i:                   96 KiB (2 instances)
  L2:                    1 MiB (1 instance)
Vulnerabilities:
  Gather data sampling:  Not affected
  Itlb multihit:         Not affected
  L1tf:                  Not affected
  Mds:                   Not affected
  Meltdown:              Not affected
  Mmio stale data:       Not affected
  Retbleed:              Not affected
  Spec rstack overflow:  Not affected
  Spec store bypass:     Not affected
  Spectre v1:            Mitigation; __user pointer sanitization
  Spectre v2:            Mitigation; CSV2, BHB
  Srbds:                 Not affected
  Tsx async abort:       Not affected

available filesystems:
autofs bdev bpf cgroup cgroup2 configfs cpuset debugfs devpts devtmpfs ext2 ext3 ext4 fuse fuseblk fusectl hugetlbfs mqueue nfs nfs4 overlay pipefs proc pstore ramfs rpc_pipefs securityfs sockfs squashfs sysfs tmpfs ubifs vfat

mounted filesystems (/proc/mounts):
/dev/root / ext4 rw,relatime 0 0
devtmpfs /dev devtmpfs rw,relatime,size=847816k,nr_inodes=211954,mode=755 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0
devpts /dev/pts devpts rw,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /run tmpfs rw,nosuid,nodev,size=444384k,nr_inodes=819200,mode=755 0 0
tmpfs /sys/fs/cgroup tmpfs ro,nosuid,nodev,noexec,size=4096k,nr_inodes=1024,mode=755 0 0
cgroup2 /sys/fs/cgroup/unified cgroup2 rw,nosuid,nodev,noexec,relatime,nsdelegate 0 0
cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,xattr,name=systemd 0 0
pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0
bpf /sys/fs/bpf bpf rw,nosuid,nodev,noexec,relatime,mode=700 0 0
cgroup /sys/fs/cgroup/memory cgroup rw,nosuid,nodev,noexec,relatime,memory 0 0
cgroup /sys/fs/cgroup/devices cgroup rw,nosuid,nodev,noexec,relatime,devices 0 0
cgroup /sys/fs/cgroup/hugetlb cgroup rw,nosuid,nodev,noexec,relatime,hugetlb 0 0
cgroup /sys/fs/cgroup/net_cls,net_prio cgroup rw,nosuid,nodev,noexec,relatime,net_cls,net_prio 0 0
cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0
cgroup /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0
cgroup /sys/fs/cgroup/pids cgroup rw,nosuid,nodev,noexec,relatime,pids 0 0
cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0
cgroup /sys/fs/cgroup/perf_event cgroup rw,nosuid,nodev,noexec,relatime,perf_event 0 0
cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,
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U-Boot SPL 2023.04 (Nov 07 2024 - 08:30:01 +0000)
SYSFW ABI: 3.1 (firmware rev 0x0009 '9.2.4--v09.02.04 (Kool Koala)')
k3_esm esm@700000: k3 esm probe
k3_esm esm@700000: k3 esm probe finished
k3_esm esm@40800000: k3 esm probe
k3_esm esm@40800000: k3 esm probe finished
esm_pmic esm: pmic esm probe
esm_pmic esm: pmic esm probe finished
Trying to boot from MMC2
Warning: Detected image signing certificate on GP device. Skipping certificate to prevent boot failure. This will fail if the image was also encrypted
Warning: Detected image signing certificate on GP device. Skipping certificate to prevent boot failure. This will fail if the image was also encrypted
Warning: Detected image signing certificate on GP device. Skipping certificate to prevent boot failure. This will fail if the image was also encrypted
Warning: Detected image signing certificate on GP device. Skipping certificate to prevent boot failure. This will fail if the image was also encrypted
Warning: Detected image signing certificate on GP device. Skipping certificate to prevent boot failure. This will fail if the image was also encrypted
Loading Environment from nowhere... OK
Starting ATF on ARM64 core...

NOTICE:  BL31: v2.10.0(release):v2.10.0-367-g00f1ec6b87-dirty
NOTICE:  BL31: Built : 16:09:05, Feb  9 2024
I/TC:
I/TC: OP-TEE version: 4.1.0-51-g012cdca49 (gcc version 11.4.0 (GCC)) #1 Tue Jan 30 10:48:03 UTC 2024 aarch64
I/TC: WARNING: This OP-TEE configuration might be insecure!
I/TC: WARNING: Please check https://optee.readthedocs.io/en/latest/architecture/porting_guidelines.html
I/TC: Primary CPU initializing
I/TC: GIC redistributor base address not provided
I/TC: Assuming default GIC group status and modifier
I/TC: SYSFW ABI: 3.1 (firmware rev 0x0009 '9.2.4--v09.02.04 (Kool Koala)')
I/TC: HUK Initialized
I/TC: Activated SA2UL device
I/TC: Fixing SA2UL firewall owner for GP device
I/TC: Enabled firewalls for SA2UL TRNG device
I/TC: SA2UL TRNG initialized
I/TC: SA2UL Drivers initialized
I/TC: Primary CPU switching to normal world boot

U-Boot SPL 2023.04 (Nov 07 2024 - 08:29:55 +0000)
SYSFW ABI: 3.1 (firmware rev 0x0009 '9.2.4--v09.02.04 (Kool Koala)')
Trying to boot from MMC2
Warning: Detected image signing certificate on GP device. Skipping certificate to prevent boot failure. This will fail if the image was also encrypted
Warning: Detected image signing certificate on GP device. Skipping certificate to prevent boot failure. This will fail if the image was also encrypted

Another issue, our hardware engineers said that they disabled the Watchdog of PMIC on the hardware. They set the gpio-8 and gpio-9 of the TPS6594X with external pull-up.

However, I can still successfully run the Watchdog test demo, which means that their hardware design will not affect the Watchdog.

Please help to confirm whether the result I got now makes sense.

Regrads,

Maxiel

+1 Keerthy J 11 months ago in reply to Junyan Yang

TI__Guru**** 163880 points

Maxiel,

That's great. The tests SoC watchdog and not the pmic watchdog.

So what you are observing must be reset from SoC watchdog.

Closing this issue.

Best regards,

Keerthy