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author | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2010-10-10 14:02:27 +0000 |
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committer | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2010-10-10 14:02:27 +0000 |
commit | b30a5ed4afead1592224009230ea23500f91b230 (patch) | |
tree | 0185573277197cab68874cedd1e00246ea2cf573 /jedec.c | |
parent | b28349f8bc40dd55524113e258b3185711e80366 (diff) | |
download | flashrom-b30a5ed4afead1592224009230ea23500f91b230.tar.gz flashrom-b30a5ed4afead1592224009230ea23500f91b230.tar.bz2 flashrom-b30a5ed4afead1592224009230ea23500f91b230.zip |
Unify chip write functions
The currently used write functions (wrappers) all use helpers which
perform the actual write (inner functions).
The signature of the write wrappers is: int write_chip(struct flashchip
*flash, uint8_t * buf);
The signature of the inner write functions varied a lot. This patch
changes them to: int write_part(struct flashchip *flash, uint8_t *src,
int start, int len);
Did you know that flashrom has only 8 inner write functions for all
flash chips? write_page_write_jedec_common write_sector_jedec_common
write_sector_28sf040 spi_chip_write_256_new spi_chip_write_1_new
spi_aai_write_new write_page_82802ab write_page_m29f400bt
Export all inner write functions.
Change the function signature of wait_82802ab to eliminate single-use
variables.
Remove an error message in write_page_m29f400bt which was printed for
every byte written regardless of success.
Add sharplhf00l04.c to the list of flash chip drivers in the Makefile.
While the functions in there are unused, I suspect we will need them
later, and by hooking the file up we ensure that compilation won't
break.
Corresponding to flashrom svn r1208.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
Diffstat (limited to 'jedec.c')
-rw-r--r-- | jedec.c | 16 |
1 files changed, 6 insertions, 10 deletions
@@ -317,14 +317,14 @@ retry: return failed; } -int write_sector_jedec_common(struct flashchip *flash, uint8_t *src, - chipaddr dst, unsigned int page_size, unsigned int mask) +int write_sector_jedec_common(struct flashchip *flash, uint8_t *src, int start, int len, unsigned int mask) { int i, failed = 0; + chipaddr dst = flash->virtual_memory + start; chipaddr olddst; olddst = dst; - for (i = 0; i < page_size; i++) { + for (i = 0; i < len; i++) { if (write_byte_program_jedec_common(flash, src, dst, mask)) failed = 1; dst++, src++; @@ -335,8 +335,7 @@ int write_sector_jedec_common(struct flashchip *flash, uint8_t *src, return failed; } -static int write_page_write_jedec_common(struct flashchip *flash, uint8_t *src, - int start, int page_size, unsigned int mask) +int write_page_write_jedec_common(struct flashchip *flash, uint8_t *src, int start, int page_size, unsigned int mask) { int i, tried = 0, failed; uint8_t *s = src; @@ -403,8 +402,7 @@ int write_jedec(struct flashchip *flash, uint8_t *buf) mask = getaddrmask(flash); for (i = 0; i < total_size / page_size; i++) { - if (write_page_write_jedec_common(flash, buf + i * page_size, - i * page_size, page_size, mask)) + if (write_page_write_jedec_common(flash, buf + i * page_size, i * page_size, page_size, mask)) failed = 1; } @@ -414,14 +412,12 @@ int write_jedec(struct flashchip *flash, uint8_t *buf) int write_jedec_1(struct flashchip *flash, uint8_t * buf) { int i; - chipaddr bios = flash->virtual_memory; - chipaddr dst = bios; int mask; mask = getaddrmask(flash); for (i = 0; i < flash->total_size; i++) { - write_sector_jedec_common(flash, buf + i * 1024, dst + i * 1024, 1024, mask); + write_sector_jedec_common(flash, buf + i * 1024, i * 1024, 1024, mask); } return 0; |