[PATCH v3 3/4] watchdog/aspeed: add support for dual boot
linux at roeck-us.net
Wed Aug 28 03:21:52 AEST 2019
On Tue, Aug 27, 2019 at 07:54:25PM +0300, Ivan Mikhaylov wrote:
> Set WDT_CLEAR_TIMEOUT_AND_BOOT_CODE_SELECTION into WDT_CLEAR_TIMEOUT_STATUS
> to clear out boot code source and re-enable access to the primary SPI flash
> chip while booted via wdt2 from the alternate chip.
> AST2400 datasheet says:
> "In the 2nd flash booting mode, all the address mapping to CS0# would be
> re-directed to CS1#. And CS0# is not accessable under this mode. To access
> CS0#, firmware should clear the 2nd boot mode register in the WDT2 status
> register WDT30.bit."
> Signed-off-by: Ivan Mikhaylov <i.mikhaylov at yadro.com>
Please run "checkpatch --strict" on this patch and fix the reported problems
(I _did_ ask for proper multi-line aligment before, but there are a couple
of other issues as well).
More information about the Linux-aspeed