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Unify chip write functions

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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>
This commit is contained in:
Carl-Daniel Hailfinger
2010-10-10 14:02:27 +00:00
parent b28349f8bc
commit b30a5ed4af
9 changed files with 62 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
sst49lfxxxc.c
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@ -67,7 +67,7 @@ int erase_sector_49lfxxxc(struct flashchip *flash, unsigned int address, unsigne
chip_writeb(0x30, bios);
chip_writeb(0xD0, bios + address);
status = wait_82802ab(bios);
status = wait_82802ab(flash);
if (check_erased_range(flash, address, sector_size)) {
msg_cerr("ERASE FAILED!\n");
@ -85,9 +85,7 @@ int write_49lfxxxc(struct flashchip *flash, uint8_t *buf)
write_lockbits_49lfxxxc(flash, 0);
for (i = 0; i < total_size / page_size; i++) {
/* write to the sector */
write_page_82802ab(bios, buf + i * page_size,
bios + i * page_size, page_size);
write_page_82802ab(flash, buf + i * page_size, i * page_size, page_size);
}
chip_writeb(0xFF, bios);