diff options
Diffstat (limited to 'drivers/staging/octeon/cvmx-helper-npi.c')
| -rw-r--r-- | drivers/staging/octeon/cvmx-helper-npi.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/drivers/staging/octeon/cvmx-helper-npi.c b/drivers/staging/octeon/cvmx-helper-npi.c deleted file mode 100644 index 7388a1e72b3..00000000000 --- a/drivers/staging/octeon/cvmx-helper-npi.c +++ /dev/null @@ -1,113 +0,0 @@ -/***********************license start*************** - * Author: Cavium Networks - * - * Contact: support@caviumnetworks.com - * This file is part of the OCTEON SDK - * - * Copyright (c) 2003-2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - * - * This file is distributed in the hope that it will be useful, but - * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or - * NONINFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this file; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * or visit http://www.gnu.org/licenses/. - * - * This file may also be available under a different license from Cavium. - * Contact Cavium Networks for more information - ***********************license end**************************************/ - -/* - * Functions for NPI initialization, configuration, - * and monitoring. - */ -#include <asm/octeon/octeon.h> - -#include "cvmx-config.h" - -#include "cvmx-helper.h" - -#include "cvmx-pip-defs.h" - -/** - * Probe a NPI interface and determine the number of ports - * connected to it. The NPI interface should still be down - * after this call. - * - * @interface: Interface to probe - * - * Returns Number of ports on the interface. Zero to disable. - */ -int __cvmx_helper_npi_probe(int interface) -{ -#if CVMX_PKO_QUEUES_PER_PORT_PCI > 0 - if (OCTEON_IS_MODEL(OCTEON_CN38XX) || OCTEON_IS_MODEL(OCTEON_CN58XX)) - return 4; - else if (OCTEON_IS_MODEL(OCTEON_CN56XX) - && !OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X)) - /* The packet engines didn't exist before pass 2 */ - return 4; - else if (OCTEON_IS_MODEL(OCTEON_CN52XX) - && !OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X)) - /* The packet engines didn't exist before pass 2 */ - return 4; -#if 0 - /* - * Technically CN30XX, CN31XX, and CN50XX contain packet - * engines, but nobody ever uses them. Since this is the case, - * we disable them here. - */ - else if (OCTEON_IS_MODEL(OCTEON_CN31XX) - || OCTEON_IS_MODEL(OCTEON_CN50XX)) - return 2; - else if (OCTEON_IS_MODEL(OCTEON_CN30XX)) - return 1; -#endif -#endif - return 0; -} - -/** - * Bringup and enable a NPI interface. After this call packet - * I/O should be fully functional. This is called with IPD - * enabled but PKO disabled. - * - * @interface: Interface to bring up - * - * Returns Zero on success, negative on failure - */ -int __cvmx_helper_npi_enable(int interface) -{ - /* - * On CN50XX, CN52XX, and CN56XX we need to disable length - * checking so packet < 64 bytes and jumbo frames don't get - * errors. - */ - if (!OCTEON_IS_MODEL(OCTEON_CN3XXX) && - !OCTEON_IS_MODEL(OCTEON_CN58XX)) { - int num_ports = cvmx_helper_ports_on_interface(interface); - int port; - for (port = 0; port < num_ports; port++) { - union cvmx_pip_prt_cfgx port_cfg; - int ipd_port = - cvmx_helper_get_ipd_port(interface, port); - port_cfg.u64 = - cvmx_read_csr(CVMX_PIP_PRT_CFGX(ipd_port)); - port_cfg.s.maxerr_en = 0; - port_cfg.s.minerr_en = 0; - cvmx_write_csr(CVMX_PIP_PRT_CFGX(ipd_port), - port_cfg.u64); - } - } - - /* Enables are controlled by the remote host, so nothing to do here */ - return 0; -} |