/* * Copyright 2020 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: AMD *
*/
/* TODOFPGA Figure out a proper number for max_retries polling for lock * use 50 for now.
*/
uint32_t max_retries = 50;
if (packet_index > 14)
ASSERT(0);
/* poll dig_update_lock is not locked -> asic internal signal * assume otg master lock will unlock it
*/ /* REG_WAIT(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_LOCK_STATUS, * 0, 10, max_retries);
*/
/* TODO: Check if this is required */ /* check if HW reading GSP memory */
REG_WAIT(VPG_GENERIC_STATUS, VPG_GENERIC_CONFLICT_OCCURED,
0, 10, max_retries);
/* HW does is not reading GSP memory not reading too long -> * something wrong. clear GPS memory access and notify? * hw SW is writing to GSP memory
*/
REG_UPDATE(VPG_GENERIC_STATUS, VPG_GENERIC_CONFLICT_CLR, 1);
/* choose which generic packet to use */
REG_UPDATE(VPG_GENERIC_PACKET_ACCESS_CTRL,
VPG_GENERIC_DATA_INDEX, packet_index*9);
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