/***********************license start*********************************** * Copyright (c) 2003-2017 Cavium Inc. (support@cavium.com). All rights * reserved. * * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * * Neither the name of Cavium Inc. nor the names of * its contributors may be used to endorse or promote products * derived from this software without specific prior written * permission. * * This Software, including technical data, may be subject to U.S. export * control laws, including the U.S. Export Administration Act and its * associated regulations, and may be subject to export or import * regulations in other countries. * * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT * TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES * OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR * PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, * QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK * ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU. ***********************license end**************************************/ #include #include "libbdk-arch/bdk-csrs-mio_tws.h" /** * Report boot status to the BMC or whomever might care. This function * will return quickly except for a status of "power cycle". In the power cycle * case it is assumed the board is in a bad state and should not continue until * a power cycle restarts us. * * @param status Status to report. Enumerated in bdk_boot_status_t */ void bdk_boot_status(bdk_boot_status_t status) { bdk_node_t node = bdk_numa_master(); int twsi = bdk_config_get_int(BDK_CONFIG_BMC_TWSI); /* Update status */ if (twsi != -1) { BDK_CSR_DEFINE(sw_twsi, BDK_MIO_TWSX_SW_TWSI(twsi)); sw_twsi.u = 0; sw_twsi.s.v = 1; /* Valid data */ sw_twsi.s.slonly = 1; /* Slave only */ sw_twsi.s.data = status; BDK_CSR_WRITE(node, BDK_MIO_TWSX_SW_TWSI(twsi), sw_twsi.u); } /* As a special case, power cycle will display a message and try a soft reset if we can't power cycle in 5 seconds */ if (status == BDK_BOOT_STATUS_REQUEST_POWER_CYCLE) { if (twsi != -1) { printf("Requested power cycle\n"); bdk_wait_usec(5000000); /* 5 sec */ printf("Power cycle failed, trying soft reset\n"); } else printf("Performing soft reset\n"); bdk_reset_chip(node); } }