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aspeed/smc: Calculate checksum on normal DMA 

This patch adds the missing checksum calculation on normal DMA transfer.
According to the datasheet this is how the SMC should behave.

Verified on AST1250 that the hardware matches the behaviour.

Signed-off-by: Christian Svensson <bluecmd@google.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20190904070506.1052-9-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Christian Svensson 2019-09-04 09:05:04 +02:00 committed by Peter Maydell
parent 5258c2a69c
commit ae275f7133
1 changed files with 1 additions and 0 deletions
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1
hw/ssi/aspeed_smc.c
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@ -989,6 +989,7 @@ static void aspeed_smc_dma_rw(AspeedSMCState *s)
s->regs[R_DMA_FLASH_ADDR] += 4;
s->regs[R_DMA_DRAM_ADDR] += 4;
s->regs[R_DMA_LEN] -= 4;
s->regs[R_DMA_CHECKSUM] += data;
}
}