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authorHamish Martin <hamish.martin@alliedtelesis.co.nz>2022-11-10 12:13:25 +1300
committerMiquel Raynal <miquel.raynal@bootlin.com>2022-11-17 22:14:08 +0100
commitc13bf589e5cff0d05ce63c4832de3fab2a19c62d (patch)
tree46ddd1caae6a584812a73ed471962c5b0e48c2fc /tools/perf/scripts/python/mem-phys-addr.py
parent075e181fba721d7af83dd1f2b65aed64703f5a40 (diff)
mtd: rawnand: marvell: Enable NFC/DEVBUS arbiter
The CN9130 SoC (an ARMADA 8K type) has both a NAND Flash Controller and a generic local bus controller (Device Bus Controller) that share common pins. With a board design that incorporates both a NAND flash and uses the Device Bus (in our case for an SRAM) accessing the Device Bus device fails unless the NfArbiterEn bit is set. Setting the bit enables arbitration between the Device Bus and the NAND flash. Since there is no obvious downside in enabling this for designs that don't require arbitration, we always enable it. Signed-off-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20221109231325.7714-1-hamish.martin@alliedtelesis.co.nz
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