// // Copyright 2010 Ettus Research LLC // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . // #ifndef INCLUDED_USRP2_REGS_HPP #define INCLUDED_USRP2_REGS_HPP #include #define USRP2_MISC_OUTPUT_BASE 0xD400 #define USRP2_GPIO_BASE 0xC800 #define USRP2_ATR_BASE 0xE400 #define USRP2_BP_STATUS_BASE 0xCC00 #define USRP2P_MISC_OUTPUT_BASE 0x2000 #define USRP2P_GPIO_BASE 0x3200 #define USRP2P_ATR_BASE 0x3800 #define USRP2P_BP_STATUS_BASE 0x3300 typedef struct { int sr_misc; int sr_tx_prot_eng; int sr_rx_prot_eng; int sr_buffer_pool_ctrl; int sr_udp_sm; int sr_tx_dsp; int sr_tx_ctrl; int sr_rx_dsp; int sr_rx_ctrl; int sr_time64; int sr_simtimer; int sr_last; int misc_ctrl_clock; int misc_ctrl_serdes; int misc_ctrl_adc; int misc_ctrl_leds; int misc_ctrl_phy; int misc_ctrl_dbg_mux; int misc_ctrl_ram_page; int misc_ctrl_flush_icache; int misc_ctrl_led_src; int time64_secs; // value to set absolute secs to on next PPS int time64_ticks; // value to set absolute ticks to on next PPS int time64_flags; // flags -- see chart below int time64_imm; // set immediate (0=latch on next pps, 1=latch immediate, default=0) int time64_tps; // ticks per second rollover count int time64_secs_rb; int time64_ticks_rb; int compat_num_rb; int dsp_tx_freq; int dsp_tx_scale_iq; int dsp_tx_interp_rate; int dsp_tx_mux; int dsp_rx_freq; int dsp_rx_scale_iq; int dsp_rx_decim_rate; int dsp_rx_dcoffset_i; int dsp_rx_dcoffset_q; int dsp_rx_mux; int gpio_base; int gpio_io; int gpio_ddr; int gpio_tx_sel; int gpio_rx_sel; int atr_base; int atr_idle_txside; int atr_idle_rxside; int atr_intx_txside; int atr_intx_rxside; int atr_inrx_txside; int atr_inrx_rxside; int atr_full_txside; int atr_full_rxside; int rx_ctrl_stream_cmd; int rx_ctrl_time_secs; int rx_ctrl_time_ticks; int rx_ctrl_clear_overrun; int rx_ctrl_vrt_header; int rx_ctrl_vrt_stream_id; int rx_ctrl_vrt_trailer; int rx_ctrl_nsamps_per_pkt; int rx_ctrl_nchannels; int tx_ctrl_num_chan; int tx_ctrl_clear_state; int tx_ctrl_report_sid; int tx_ctrl_policy; int tx_ctrl_cycles_per_up; int tx_ctrl_packets_per_up; } usrp2_regs_t; extern const usrp2_regs_t usrp2_regs; //the register definitions, set in usrp2_regs.cpp and usrp2p_regs.cpp usrp2_regs_t usrp2_get_regs(bool); //////////////////////////////////////////////////// // Settings Bus, Slave #7, Not Byte Addressable! // // Output-only from processor point-of-view. // 1KB of address space (== 256 32-bit write-only regs) //#define MISC_OUTPUT_BASE 0xD400 //#define TX_PROTOCOL_ENGINE_BASE 0xD480 //#define RX_PROTOCOL_ENGINE_BASE 0xD4C0 //#define BUFFER_POOL_CTRL_BASE 0xD500 //#define LAST_SETTING_REG 0xD7FC // last valid setting register ///////////////////////////////////////////////// // SPI Slave Constants //////////////////////////////////////////////// // Masks for controlling different peripherals #define SPI_SS_AD9510 1 #define SPI_SS_AD9777 2 #define SPI_SS_RX_DAC 4 #define SPI_SS_RX_ADC 8 #define SPI_SS_RX_DB 16 #define SPI_SS_TX_DAC 32 #define SPI_SS_TX_ADC 64 #define SPI_SS_TX_DB 128 #define SPI_SS_ADS62P44 256 //for usrp2p ///////////////////////////////////////////////// // Misc Control //////////////////////////////////////////////// #define U2_FLAG_MISC_CTRL_SERDES_ENABLE 8 #define U2_FLAG_MISC_CTRL_SERDES_PRBSEN 4 #define U2_FLAG_MISC_CTRL_SERDES_LOOPEN 2 #define U2_FLAG_MISC_CTRL_SERDES_RXEN 1 #define U2_FLAG_MISC_CTRL_ADC_ON 0x0F #define U2_FLAG_MISC_CTRL_ADC_OFF 0x00 ///////////////////////////////////////////////// // VITA49 64 bit time (write only) //////////////////////////////////////////////// /*! * \brief Time 64 flags * * 
   *
   *    3                   2                   1                       
   *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
   * +-----------------------------------------------------------+-+-+
   * |                                                           |S|P|
   * +-----------------------------------------------------------+-+-+
   *
   * P - PPS edge selection (0=negedge, 1=posedge, default=0)
   * S - Source (0=sma, 1=mimo, 0=default)
   *
   *
*/ //pps flags (see above) #define U2_FLAG_TIME64_PPS_NEGEDGE (0 << 0) #define U2_FLAG_TIME64_PPS_POSEDGE (1 << 0) #define U2_FLAG_TIME64_PPS_SMA (0 << 1) #define U2_FLAG_TIME64_PPS_MIMO (1 << 1) #define U2_FLAG_TIME64_LATCH_NOW 1 #define U2_FLAG_TIME64_LATCH_NEXT_PPS 0 ///////////////////////////////////////////////// // DSP TX Regs //////////////////////////////////////////////// /*! * \brief output mux configuration. * * 
   *     3                   2                   1                       
   *   1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
   *  +-------------------------------+-------+-------+-------+-------+
   *  |                                               | DAC1  |  DAC0 |
   *  +-------------------------------+-------+-------+-------+-------+
   * 
   *  There are N DUCs (1 now) with complex inputs and outputs.
   *  There are two DACs.
   * 
   *  Each 4-bit DACx field specifies the source for the DAC
   *  Each subfield is coded like this: 
   * 
   *     3 2 1 0
   *    +-------+
   *    |   N   |
   *    +-------+
   * 
   *  N specifies which DUC output is connected to this DAC.
   * 
   *   N   which interp output
   *  ---  -------------------
   *   0   DUC 0 I
   *   1   DUC 0 Q
   *   2   DUC 1 I
   *   3   DUC 1 Q
   *   F   All Zeros
   *   
   * The default value is 0x10
   *
*/ ///////////////////////////////////////////////// // DSP RX Regs //////////////////////////////////////////////// /*! * \brief input mux configuration. * * This determines which ADC (or constant zero) is connected to * each DDC input. There are N DDCs (1 now). Each has two inputs. * * 
   * Mux value:
   *
   *    3                   2                   1                       
   *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
   * +-------+-------+-------+-------+-------+-------+-------+-------+
   * |                                                       |Q0 |I0 |
   * +-------+-------+-------+-------+-------+-------+-------+-------+
   *
   * Each 2-bit I field is either 00 (A/D A), 01 (A/D B) or 1X (const zero)
   * Each 2-bit Q field is either 00 (A/D A), 01 (A/D B) or 1X (const zero)
   *
   * The default value is 0x4
   *
*/ //////////////////////////////////////////////// // GPIO, Slave 4 //////////////////////////////////////////////// // each 2-bit sel field is layed out this way #define U2_FLAG_GPIO_SEL_GPIO 0 // if pin is an output, set by GPIO register #define U2_FLAG_GPIO_SEL_ATR 1 // if pin is an output, set by ATR logic #define U2_FLAG_GPIO_SEL_DEBUG_0 2 // if pin is an output, debug lines from FPGA fabric #define U2_FLAG_GPIO_SEL_DEBUG_1 3 // if pin is an output, debug lines from FPGA fabric /////////////////////////////////////////////////// // ATR Controller, Slave 11 //////////////////////////////////////////////// /////////////////////////////////////////////////// // RX CTRL regs /////////////////////////////////////////////////// // The following 3 are logically a single command register. // They are clocked into the underlying fifo when time_ticks is written. //#define U2_REG_RX_CTRL_STREAM_CMD _SR_ADDR(SR_RX_CTRL + 0) // {now, chain, num_samples(30) //#define U2_REG_RX_CTRL_TIME_SECS _SR_ADDR(SR_RX_CTRL + 1) //#define U2_REG_RX_CTRL_TIME_TICKS _SR_ADDR(SR_RX_CTRL + 2) //#define U2_REG_RX_CTRL_CLEAR_STATE _SR_ADDR(SR_RX_CTRL + 3) //#define U2_REG_RX_CTRL_VRT_HEADER _SR_ADDR(SR_RX_CTRL + 4) // word 0 of packet. FPGA fills in packet counter //#define U2_REG_RX_CTRL_VRT_STREAM_ID _SR_ADDR(SR_RX_CTRL + 5) // word 1 of packet. //#define U2_REG_RX_CTRL_VRT_TRAILER _SR_ADDR(SR_RX_CTRL + 6) //#define U2_REG_RX_CTRL_NSAMPS_PER_PKT _SR_ADDR(SR_RX_CTRL + 7) //#define U2_REG_RX_CTRL_NCHANNELS _SR_ADDR(SR_RX_CTRL + 8) // 1 in basic case, up to 4 for vector sources /////////////////////////////////////////////////// // TX CTRL regs /////////////////////////////////////////////////// //#define U2_REG_TX_CTRL_NUM_CHAN _SR_ADDR(SR_TX_CTRL + 0) //#define U2_REG_TX_CTRL_CLEAR_STATE _SR_ADDR(SR_TX_CTRL + 1) //#define U2_REG_TX_CTRL_REPORT_SID _SR_ADDR(SR_TX_CTRL + 2) //#define U2_REG_TX_CTRL_POLICY _SR_ADDR(SR_TX_CTRL + 3) //#define U2_REG_TX_CTRL_CYCLES_PER_UP _SR_ADDR(SR_TX_CTRL + 4) //#define U2_REG_TX_CTRL_PACKETS_PER_UP _SR_ADDR(SR_TX_CTRL + 5) #define U2_FLAG_TX_CTRL_POLICY_WAIT (0x1 << 0) #define U2_FLAG_TX_CTRL_POLICY_NEXT_PACKET (0x1 << 1) #define U2_FLAG_TX_CTRL_POLICY_NEXT_BURST (0x1 << 2) //enable flag for registers: cycles and packets per update packet #define U2_FLAG_TX_CTRL_UP_ENB (1ul << 31) #endif /* INCLUDED_USRP2_REGS_HPP */