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* misc: Add ASPEED mbox driverCyril Bur2019-03-201-0/+334
This provides access to the mbox registers on the ast2400 and ast2500 SoCs. This driver allows arbitrary reads and writes to the 16 data registers as the other end may have configured the mbox hardware to provide an interrupt when a specific register gets written to. OpenBMC-Staging-Count: 6 [joel: move to drivers/misc as this isn't a mailbox driver] Signed-off-by: Cyril Bur <cyrilbur@gmail.com> Signed-off-by: Joel Stanley <joel@jms.id.au>
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