diff options
Diffstat (limited to 'src/vendorcode/cavium/bdk/libbdk-hal/bdk-access.c')
| -rw-r--r-- | src/vendorcode/cavium/bdk/libbdk-hal/bdk-access.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/vendorcode/cavium/bdk/libbdk-hal/bdk-access.c b/src/vendorcode/cavium/bdk/libbdk-hal/bdk-access.c new file mode 100644 index 0000000000..ebced00715 --- /dev/null +++ b/src/vendorcode/cavium/bdk/libbdk-hal/bdk-access.c @@ -0,0 +1,70 @@ +/***********************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 <bdk.h> +#include "libbdk-arch/bdk-csrs-uaa.h" +#include "libbdk-arch/bdk-csrs-rst.h" + +/** + * Perform a soft reset of the chip + * + * @return + */ +void bdk_reset_chip(bdk_node_t node) +{ + fflush(NULL); + + /* Wait for TX fifo to empty */ + while (1) + { + BDK_CSR_INIT(fr, node, BDK_UAAX_FR(0)); + if (fr.s.txfe) + break; + } + + /* RST_OCX is not cleared by a chip reset. Clear it now to avoid repeated + resets due to CCPI state changes during reset */ + BDK_CSR_WRITE(node, BDK_RST_OCX, 0); + BDK_CSR_READ(node, BDK_RST_OCX); + + bdk_rst_soft_rst_t rst_soft_rst; + rst_soft_rst.u = 0; + rst_soft_rst.s.soft_rst = 1; + BDK_CSR_WRITE(node, BDK_RST_SOFT_RST, rst_soft_rst.u); +} + |