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| author | Ashish Chaudhari <ashish@ettus.com> | 2015-09-16 17:21:07 -0700 |
|---|---|---|
| committer | Ashish Chaudhari <ashish@ettus.com> | 2015-09-16 17:21:53 -0700 |
| commit | 40e71c80c649819e017702591dba3d79903a5136 (patch) | |
| tree | 1eafcf209016c186f7b09f4b94e43f892b9a1d22 /host/lib/usrp/x300 | |
| parent | de907d20e6f6f5b0fb6f3876126abdfcecc2fc67 (diff) | |
| download | uhd-40e71c80c649819e017702591dba3d79903a5136.tar.gz uhd-40e71c80c649819e017702591dba3d79903a5136.tar.bz2 uhd-40e71c80c649819e017702591dba3d79903a5136.zip | |
x300: Made DRAM FIFO size software configurable
Diffstat (limited to 'host/lib/usrp/x300')
| -rw-r--r-- | host/lib/usrp/x300/x300_impl.cpp | 2 | ||||
| -rw-r--r-- | host/lib/usrp/x300/x300_impl.hpp | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/host/lib/usrp/x300/x300_impl.cpp b/host/lib/usrp/x300/x300_impl.cpp index cb13cdbb8..c73e26f3d 100644 --- a/host/lib/usrp/x300/x300_impl.cpp +++ b/host/lib/usrp/x300/x300_impl.cpp @@ -753,6 +753,8 @@ void x300_impl::setup_mb(const size_t mb_i, const uhd::device_addr_t &dev_addr) mb.zpu_ctrl, SR_ADDR(SET0_BASE, ZPU_SR_DRAM_FIFO0+(i*NUM_REGS)), SR_ADDR(SET0_BASE, ZPU_RB_DRAM_FIFO0+i)); + mb.dram_buff_ctrl[i]->resize(X300_DRAM_FIFO_SIZE * i, X300_DRAM_FIFO_SIZE); + if (mb.dram_buff_ctrl[i]->ext_bist_supported()) { UHD_MSG(status) << boost::format("Running BIST for DRAM FIFO %d... ") % i; boost::uint32_t bisterr = mb.dram_buff_ctrl[i]->run_bist(); diff --git a/host/lib/usrp/x300/x300_impl.hpp b/host/lib/usrp/x300/x300_impl.hpp index a71540e8b..683c1cb32 100644 --- a/host/lib/usrp/x300/x300_impl.hpp +++ b/host/lib/usrp/x300/x300_impl.hpp @@ -61,6 +61,7 @@ static const size_t X300_TX_HW_BUFF_SIZE_SRAM = 520*1024; //512K SRAM static const size_t X300_TX_FC_RESPONSE_FREQ_SRAM = 8; //per flow-control window static const size_t X300_TX_HW_BUFF_SIZE_DRAM = 128*1024; static const size_t X300_TX_FC_RESPONSE_FREQ_DRAM = 32; +static const boost::uint32_t X300_DRAM_FIFO_SIZE = 32*1024*1024; static const size_t X300_RX_SW_BUFF_SIZE_ETH = 0x2000000;//32MiB For an ~8k frame size any size >32MiB is just wasted buffer space static const size_t X300_RX_SW_BUFF_SIZE_ETH_MACOS = 0x100000; //1Mib |