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aspeed/smc: Add extra controls to request DMA

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The AST2600 SPI controllers have a set of bits to request/grant DMA
access. Add a new SMC feature for these controllers and use it to
check access to the DMA registers.

Cc: Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-Id: <20210407171637.777743-16-clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Cédric Le Goater 2021-05-01 10:03:52 +02:00
parent 1c5ee69da5
commit 1769a70e54
2 changed files with 68 additions and 7 deletions
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1
include/hw/ssi/aspeed_smc.h
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@ -55,6 +55,7 @@ typedef struct AspeedSMCController {
const AspeedSegments *seg);
void (*reg_to_segment)(const struct AspeedSMCState *s, uint32_t reg,
AspeedSegments *seg);
void (*dma_ctrl)(struct AspeedSMCState *s, uint32_t value);
} AspeedSMCController;
typedef struct AspeedSMCFlash {