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support variable-size SPI chip for dummy programmer

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This is designed for firmware updater to pack firmware image
preserving some specific partitions in any size.

BUG=none
TEST=ran the command line below:
$ flashrom -p dummy:image=${TMP_FILE},size=16777216, \
emulate=VARIABLE_SIZE -w ${IMG} -V -f

$ flashrom -p dummy:image=${TMP_FILE},size=auto, \
emulate=VARIABLE_SIZE -w ${IMG} -V -f

Signed-off-by: Namyoon Woo <namyoon@google.com>
Change-Id: Iff266e151459561b126ecfd1c47420b385be1db2
Reviewed-on: https://review.coreboot.org/c/flashrom/+/44879
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
This commit is contained in:
Namyoon Woo
2020-08-27 16:03:16 -07:00
committed by Edward O'Callaghan
parent 0e787b2e79
commit 3149822cd4
3 changed files with 113 additions and 0 deletions
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3
chipdrivers.h
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@ -196,6 +196,9 @@ int erase_sector_stm50(struct flashctx *flash, unsigned int block, unsigned int
int probe_en29lv640b(struct flashctx *flash);
int write_en29lv640b(struct flashctx *flash, const uint8_t *buf, unsigned int start, unsigned int len);
/* dummyflasher.c */
int probe_variable_size(struct flashctx *flash);
/* edi.c */
int edi_chip_block_erase(struct flashctx *flash, unsigned int page, unsigned int size);
int edi_chip_write(struct flashctx *flash, const uint8_t *buf, unsigned int start, unsigned int len);