On Wed, Jul 19, 2023 at 2:46 PM Weijie Gao wrote:
>
> In u-boot we don't use IRQ. Instead, we poll busy bit in SPI_STATUS.
>
> However these IRQ enable bits may be set in previous boot stage (BootROM).
>
> If we leave these bits not cleared, although u-boot has disabled IRQ and
> nothing will happ
In u-boot we don't use IRQ. Instead, we poll busy bit in SPI_STATUS.
However these IRQ enable bits may be set in previous boot stage (BootROM).
If we leave these bits not cleared, although u-boot has disabled IRQ and
nothing will happen, the linux kernel may encounter panic during
initializing th
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