diff options
| -rw-r--r-- | flash.h | 1 | ||||
| -rw-r--r-- | flashrom.c | 5 |
2 files changed, 6 insertions, 0 deletions
@@ -87,6 +87,7 @@ enum write_granularity { write_gran_528bytes, /* If less than 528 bytes are written, the unwritten bytes are undefined. */ write_gran_1024bytes, /* If less than 1024 bytes are written, the unwritten bytes are undefined. */ write_gran_1056bytes, /* If less than 1056 bytes are written, the unwritten bytes are undefined. */ + write_gran_1byte_implicit_erase, /* EEPROMs and other chips with implicit erase and 1-byte writes. */ }; /* @@ -766,6 +766,10 @@ int need_erase(const uint8_t *have, const uint8_t *want, unsigned int len, enum case write_gran_1056bytes: result = need_erase_gran_bytes(have, want, len, 1056); break; + case write_gran_1byte_implicit_erase: + /* Do not erase, handle content changes from anything->0xff by writing 0xff. */ + result = 0; + break; default: msg_cerr("%s: Unsupported granularity! Please report a bug at " "flashrom@flashrom.org\n", __func__); @@ -807,6 +811,7 @@ static unsigned int get_next_write(const uint8_t *have, const uint8_t *want, uns switch (gran) { case write_gran_1bit: case write_gran_1byte: + case write_gran_1byte_implicit_erase: stride = 1; break; case write_gran_256bytes: |
