diff options
Diffstat (limited to 'drivers/scsi/isci/probe_roms.c')
-rw-r--r-- | drivers/scsi/isci/probe_roms.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/scsi/isci/probe_roms.c b/drivers/scsi/isci/probe_roms.c index 084fdc60548f..bc52a6174070 100644 --- a/drivers/scsi/isci/probe_roms.c +++ b/drivers/scsi/isci/probe_roms.c @@ -136,6 +136,7 @@ enum sci_status isci_parse_oem_parameters(union scic_oem_parameters *oem_params, struct isci_orom *isci_request_firmware(struct pci_dev *pdev, const struct firmware *fw) { struct isci_orom *orom = NULL, *data; + int i, j; if (request_firmware(&fw, ISCI_FW_NAME, &pdev->dev) != 0) return NULL; @@ -155,6 +156,20 @@ struct isci_orom *isci_request_firmware(struct pci_dev *pdev, const struct firmw memcpy(orom, fw->data, fw->size); + /* + * deprecated: override default amp_control for pre-preproduction + * silicon revisions + */ + if (isci_si_rev <= ISCI_SI_REVB0) + goto out; + + for (i = 0; i < ARRAY_SIZE(orom->ctrl); i++) + for (j = 0; j < ARRAY_SIZE(orom->ctrl[i].phys); j++) { + orom->ctrl[i].phys[j].afe_tx_amp_control0 = 0xe7c03; + orom->ctrl[i].phys[j].afe_tx_amp_control1 = 0xe7c03; + orom->ctrl[i].phys[j].afe_tx_amp_control2 = 0xe7c03; + orom->ctrl[i].phys[j].afe_tx_amp_control3 = 0xe7c03; + } out: release_firmware(fw); |