be2net: Patch to flash redboot section while firmware update.

[firefly-linux-kernel-4.4.55.git] / drivers / net / benet / be_cmds.c

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index cc75dd0df0d85941a7b995e520e30d5826821893..808ad0dd4115a9d754d5062b9b690ab33617c05a 100644 (file)
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -1251,3 +1251,32 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
 }
+
+int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc)
+{
+       struct be_mcc_wrb *wrb;
+       struct be_cmd_write_flashrom *req;
+       int status;
+
+       spin_lock_bh(&adapter->mcc_lock);
+
+       wrb = wrb_from_mccq(adapter);
+       req = embedded_payload(wrb);
+
+       be_wrb_hdr_prepare(wrb, sizeof(*req)+4, true, 0);
+
+       be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+               OPCODE_COMMON_READ_FLASHROM, sizeof(*req)+4);
+
+       req->params.op_type = cpu_to_le32(FLASHROM_TYPE_REDBOOT);
+       req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT);
+       req->params.offset = 0x3FFFC;
+       req->params.data_buf_size = 0x4;
+
+       status = be_mcc_notify_wait(adapter);
+       if (!status)
+               memcpy(flashed_crc, req->params.data_buf, 4);
+
+       spin_unlock_bh(&adapter->mcc_lock);
+       return status;
+}