Linux/AM3352: U-boot driver for off-chip watchdog

LONGFEI LI

Part Number: AM3352

Tool/software: Linux

Hello,

In my board, I use the CAT706 as off chip watchdog, and I use an GPIO to feed it. For this condition, how can I add the driver of this watchdog in the uboot? Is there any examples for it?

over 7 years ago

0 Cvetolin Shulev-XID over 7 years ago

TI__Guru 65405 points

Hi Longfei Li,

You should enable the following config params: CONFIG_HW_WATCHDOG, CONFIG_OMAP_WATCHDOG and CONFIG_SPL_WATCHDOG_SUPPORT.
The Watchdog drivers are place in u-boot/drivers/watchdog folder.
The you should add source code for enable/disable watchdog as it is described at:
e2e.ti.com/.../327054

BR
Tsvetolin Shulev

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Linux/AM3352: U-boot driver for off-chip watchdog