diff options
Diffstat (limited to 'spi25_statusreg.c')
| -rw-r--r-- | spi25_statusreg.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/spi25_statusreg.c b/spi25_statusreg.c index 67d676c79..a5fb3b8bd 100644 --- a/spi25_statusreg.c +++ b/spi25_statusreg.c @@ -195,6 +195,19 @@ int spi_disable_blockprotect(struct flashctx *flash) return spi_disable_blockprotect_generic(flash, 0x3C, 0, 0, 0xFF); } +int spi_disable_blockprotect_sst26_global_unprotect(struct flashctx *flash) +{ + int result = spi_write_enable(flash); + if (result) + return result; + + static const unsigned char cmd[] = { 0x98 }; /* ULBPR */ + result = spi_send_command(flash, sizeof(cmd), 0, cmd, NULL); + if (result) + msg_cerr("ULBPR failed\n"); + return result; +} + /* A common block protection disable that tries to unset the status register bits masked by 0x0C (BP0-1) and * protected/locked by bit #7. Useful when bits 4-5 may be non-0). */ int spi_disable_blockprotect_bp1_srwd(struct flashctx *flash) |