diff options
| -rw-r--r-- | edi.c | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -480,6 +480,18 @@ int edi_probe_kb9012(struct flashctx *flash) { int probe; int rc; + unsigned char hwversion; + + /* + * ENE chips enable EDI by detecting a clock frequency between 1 MHz and + * 8 MHz. In many cases, the chip won't be able to both detect the clock + * signal and serve the associated request at the same time. + * + * Thus, a dummy read has to be added to ensure that EDI is enabled and + * operational starting from the next request. This dummy read below + * draws the chip's attention and as result the chip enables its EDI. + */ + edi_read(flash, ENE_EC_HWVERSION, &hwversion); probe = edi_chip_probe(flash, &ene_kb9012); if (!probe) |