diff options
Diffstat (limited to 'drivers/staging/greybus/svc.c')
| -rw-r--r-- | drivers/staging/greybus/svc.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/drivers/staging/greybus/svc.c b/drivers/staging/greybus/svc.c index da2ffd655122..4b9eb383652c 100644 --- a/drivers/staging/greybus/svc.c +++ b/drivers/staging/greybus/svc.c @@ -207,6 +207,18 @@ static int gb_svc_read_and_clear_module_boot_status(struct gb_interface *intf) return -ENODEV; } + /* + * Check if the module needs to boot from unipro. + * For ES2: We need to check lowest 8 bits of 'value'. + * For ES3: We need to check highest 8 bits out of 32 of 'value'. + * + * FIXME: Add code to find if we are on ES2 or ES3 to have separate + * checks. + */ + if (value == DME_TSI_UNIPRO_BOOT_STARTED || + value == DME_TSI_FALLBACK_UNIPRO_BOOT_STARTED) + intf->boot_over_unipro = true; + return gb_svc_dme_peer_set(hd->svc, intf->interface_id, DME_ATTR_T_TST_SRC_INCREMENT, DME_ATTR_SELECTOR_INDEX, 0); @@ -214,7 +226,8 @@ static int gb_svc_read_and_clear_module_boot_status(struct gb_interface *intf) int gb_svc_connection_create(struct gb_svc *svc, u8 intf1_id, u16 cport1_id, - u8 intf2_id, u16 cport2_id) + u8 intf2_id, u16 cport2_id, + bool boot_over_unipro) { struct gb_svc_conn_create_request request; @@ -227,7 +240,16 @@ int gb_svc_connection_create(struct gb_svc *svc, * for now. */ request.tc = 0; - request.flags = CPORT_FLAGS_CSV_N | CPORT_FLAGS_E2EFC; + + /* + * We need to skip setting E2EFC and other flags to the connection + * create request, for all cports, on an interface that need to boot + * over unipro, i.e. interfaces required to download firmware. + */ + if (boot_over_unipro) + request.flags = CPORT_FLAGS_CSV_N | CPORT_FLAGS_CSD_N; + else + request.flags = CPORT_FLAGS_CSV_N | CPORT_FLAGS_E2EFC; return gb_operation_sync(svc->connection, GB_SVC_TYPE_CONN_CREATE, &request, sizeof(request), NULL, 0); |