diff options
| -rw-r--r-- | host/lib/rfnoc/legacy_compat.cpp | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/host/lib/rfnoc/legacy_compat.cpp b/host/lib/rfnoc/legacy_compat.cpp index 137909d8b..31297f271 100644 --- a/host/lib/rfnoc/legacy_compat.cpp +++ b/host/lib/rfnoc/legacy_compat.cpp @@ -86,6 +86,36 @@ size_t calc_num_tx_chans_per_radio( ); } +bool check_if_has_dma_fifo( + const uhd::device_addr_t &args, + uhd::device3::sptr device, + uhd::property_tree::sptr tree +) { + if (device->find_blocks(DFIFO_BLOCK_NAME).empty()) { + return false; + } + + if (args.has_key("skip_dram")) { + UHD_LOG_DEBUG("RFNOC", + "[legacy_compat] Skipping DRAM at user request."); + return false; + } + + const size_t num_radios_per_board = + device->find_blocks<radio_ctrl>("0/Radio").size(); + const size_t num_radio_ports = (num_radios_per_board > 0) + ? num_ports(tree, RADIO_BLOCK_NAME, "in") + : 0; + const size_t num_dmafifo_ports = num_ports(tree, DFIFO_BLOCK_NAME, "in"); + if (num_dmafifo_ports < num_radios_per_board * num_radio_ports) { + UHD_LOG_WARNING("RFNOC", + "[legacy_compat] More radio channels than DMA FIFO channels. " + "Skipping DMA FIFO."); + return false; + } + return true; +} + /*! Recreate passed property without bound subscribers. Maintains current property value. */ template <typename T> @@ -111,7 +141,7 @@ public: _tree(device->get_tree()), _has_ducs(not args.has_key("skip_duc") and not device->find_blocks(DUC_BLOCK_NAME).empty()), _has_ddcs(not args.has_key("skip_ddc") and not device->find_blocks(DDC_BLOCK_NAME).empty()), - _has_dmafifo(not args.has_key("skip_dram") and not device->find_blocks(DFIFO_BLOCK_NAME).empty()), + _has_dmafifo(check_if_has_dma_fifo(args, device, _tree)), _has_sramfifo(not args.has_key("skip_sram") and not device->find_blocks(SFIFO_BLOCK_NAME).empty()), _num_mboards(_tree->list("/mboards").size()), _num_radios_per_board(device->find_blocks<radio_ctrl>("0/Radio").size()), // These might throw, maybe we catch that and provide a nicer error message. |