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Add support for the Eon EN29LV640B chip

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This chip needs special command sequences in 8 bit mode. Also, 8 bit
programming needs actually 16bit double byte program.

The chip is found on the Bifferos Bifferboard, for example.

Corresponding to flashrom svn r1521.

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
This commit is contained in:
Rudolf Marek
2012-04-14 22:51:40 +00:00
committed by Uwe Hermann
parent 1525b2ad16
commit 47eff6b5b4
5 changed files with 178 additions and 3 deletions
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6
chipdrivers.h
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@ -157,4 +157,10 @@ int probe_w29ee011(struct flashctx *flash);
int erase_sector_stm50flw0x0x(struct flashctx *flash, unsigned int block, unsigned int blocksize);
int unlock_stm50flw0x0x(struct flashctx *flash);
/* en29lv640b.c */
int probe_en29lv640b(struct flashctx *flash);
int block_erase_en29lv640b(struct flashctx *flash, unsigned int start, unsigned int len);
int block_erase_chip_en29lv640b(struct flashctx *flash, unsigned int start, unsigned int len);
int write_en29lv640b(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len);
#endif /* !__CHIPDRIVERS_H__ */