OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

aspeed/smc: Calculate checksum on normal DMA

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
hw/ssi/aspeed_smc.c
View File

@ -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;
}
}