Am Mo., 28. Feb. 2022 um 05:56 Uhr schrieb Hari Nagalla hnagalla@ti.com:
On AM64x devices, it is possible to route Main ESM0 error events to MCU ESM. MCU ESM high error output can trigger the reset logic to reset the device. So, for these devices we expect two ESM device nodes in the device tree, one for Main ESM and the another MCU ESM in the device tree. When these ESM device nodes are properly configired it is possible to route the Main RTI0 WWDT output to the MCU ESM high ouput through Main ESM and trigger a device reset when CTRLMMR_MCU_RST_CTRL:MCU_ESM_ERROR_RESET_EN_Z is set to '0'.
On K3 AM64x devices, the R5 SPL u-boot handles the ESM device node configurations.
Signed-off-by: Hari Nagalla hnagalla@ti.com
Reviewed-by: Christian Gmeiner christian.gmeiner@gmail.com