diff options
| author | Li-Ta Lo <ollie@lanl.gov> | 2005-01-11 02:48:22 +0000 |
|---|---|---|
| committer | Li-Ta Lo <ollie@lanl.gov> | 2005-01-11 02:48:22 +0000 |
| commit | 3678ad8e38abee296221cd33e2cbc1e5181f715f (patch) | |
| tree | 6e45728f1d15d500edc806eccffc37e5589f0291 /util/flash_and_burn/sst49lf040.c | |
| parent | 883b8793c9777544101261ebcbed6088e0df1593 (diff) | |
*** empty log message ***
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1852 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'util/flash_and_burn/sst49lf040.c')
| -rw-r--r-- | util/flash_and_burn/sst49lf040.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/util/flash_and_burn/sst49lf040.c b/util/flash_and_burn/sst49lf040.c index 624a8655ef..f19b91e1c2 100644 --- a/util/flash_and_burn/sst49lf040.c +++ b/util/flash_and_burn/sst49lf040.c @@ -30,6 +30,21 @@ #include "jedec.h" #include "sst49lf040.h" +int erase_49lf040(struct flashchip *flash) +{ + int i; + int total_size = flash->total_size * 1024; + int page_size = flash->page_size; + volatile char *bios = flash->virt_addr; + + for (i = 0; i < total_size / page_size; i++) { + /* Chip erase only works in parallel programming mode + * for the 49lf040. Use sector-erase instead */ + erase_sector_jedec(bios, i * page_size); + } + return 0; +} + int write_49lf040(struct flashchip *flash, unsigned char *buf) { int i; @@ -40,8 +55,8 @@ int write_49lf040(struct flashchip *flash, unsigned char *buf) printf("Programming Page: "); for (i = 0; i < total_size / page_size; i++) { /* erase the page before programming - * Chip erase only works in parallel programming mode for the 49lf040. - * Use sector-erase instead */ + * Chip erase only works in parallel programming mode + * for the 49lf040. Use sector-erase instead */ erase_sector_jedec(bios, i * page_size); /* write to the sector */ |