diff options
Diffstat (limited to 'host/lib/usrp/usrp2/usrp2_regs.hpp')
| -rw-r--r-- | host/lib/usrp/usrp2/usrp2_regs.hpp | 173 |
1 files changed, 164 insertions, 9 deletions
diff --git a/host/lib/usrp/usrp2/usrp2_regs.hpp b/host/lib/usrp/usrp2/usrp2_regs.hpp index 9cf0b1fbc..7d868c264 100644 --- a/host/lib/usrp/usrp2/usrp2_regs.hpp +++ b/host/lib/usrp/usrp2/usrp2_regs.hpp @@ -20,6 +20,161 @@ #include <boost/cstdint.hpp> +//////////////////////////////////////////////////// +// 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 + +#define SR_MISC 0 +#define SR_TX_PROT_ENG 32 +#define SR_RX_PROT_ENG 48 +#define SR_BUFFER_POOL_CTRL 64 +#define SR_UDP_SM 96 +#define SR_TX_DSP 208 +#define SR_TX_CTRL 224 +#define SR_RX_DSP 160 +#define SR_RX_CTRL 176 +#define SR_TIME64 192 +#define SR_SIMTIMER 198 +#define SR_LAST 255 + +#define _SR_ADDR(sr) (MISC_OUTPUT_BASE + (sr) * sizeof(uint32_t)) + +///////////////////////////////////////////////// +// VITA49 64 bit time (write only) +//////////////////////////////////////////////// + +#define TIME64_BASE _SR_ADDR(SR_TIME64) + + /*! + * \brief Time 64 flags + * + * <pre> + * + * 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) + * + * </pre> + */ +typedef struct { + boost::uint32_t secs; // value to set absolute secs to on next PPS + boost::uint32_t ticks; // value to set absolute ticks to on next PPS + boost::uint32_t flags; // flags - see chart above + boost::uint32_t imm; // set immediate (0=latch on next pps, 1=latch immediate, default=0) +} sr_time64_t; + +//pps flags (see above) +#define PPS_FLAG_NEGEDGE (0 << 0) +#define PPS_FLAG_POSEDGE (1 << 0) +#define PPS_FLAG_SMA (0 << 1) +#define PPS_FLAG_MIMO (1 << 1) + +#define TIME64_LATCH_NOW 1 +#define TIME64_LATCH_NEXT_PPS 0 + +///////////////////////////////////////////////// +// DSP TX Regs +//////////////////////////////////////////////// + +#define DSP_TX_BASE _SR_ADDR(SR_TX_DSP) + +typedef struct { + boost::int32_t freq; + boost::uint32_t scale_iq; // {scale_i,scale_q} + boost::uint32_t interp_rate; + boost::uint32_t _padding0; // padding for the tx_mux + // NOT freq, scale, interp + /*! + * \brief output mux configuration. + * + * <pre> + * 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 + * </pre> + */ + boost::uint32_t tx_mux; + +} dsp_tx_regs_t; + +///////////////////////////////////////////////// +// DSP RX Regs +//////////////////////////////////////////////// + +#define DSP_RX_BASE _SR_ADDR(SR_RX_DSP) + +typedef struct { + boost::int32_t freq; + boost::uint32_t scale_iq; // {scale_i,scale_q} + boost::uint32_t decim_rate; + boost::uint32_t dcoffset_i; // Bit 31 high sets fixed offset mode, using lower 14 bits, + // otherwise it is automatic + boost::uint32_t dcoffset_q; // Bit 31 high sets fixed offset mode, using lower 14 bits + + /*! + * \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. + * + * <pre> + * 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 + * </pre> + */ + boost::uint32_t rx_mux; // called adc_mux in dsp_core_rx.v + +} dsp_rx_regs_t; + //////////////////////////////////////////////// // GPIO, Slave 4 // @@ -35,10 +190,10 @@ typedef struct { } gpio_regs_t; // each 2-bit sel field is layed out this way -#define GPIO_SEL_SW 0 // if pin is an output, set by software in the io reg -#define GPIO_SEL_ATR 1 // if pin is an output, set by ATR logic -#define GPIO_SEL_DEBUG_0 2 // if pin is an output, debug lines from FPGA fabric -#define GPIO_SEL_DEBUG_1 3 // if pin is an output, debug lines from FPGA fabric +#define GPIO_SEL_SW 0 // if pin is an output, set by software in the io reg +#define GPIO_SEL_ATR 1 // if pin is an output, set by ATR logic +#define GPIO_SEL_DEBUG_0 2 // if pin is an output, debug lines from FPGA fabric +#define GPIO_SEL_DEBUG_1 3 // if pin is an output, debug lines from FPGA fabric /////////////////////////////////////////////////// // ATR Controller, Slave 11 @@ -46,12 +201,12 @@ typedef struct { #define ATR_BASE 0xE400 typedef struct { - boost::uint32_t v[16]; + boost::uint32_t v[16]; } atr_regs_t; -#define ATR_IDLE 0x0 // indicies into v -#define ATR_TX 0x1 -#define ATR_RX 0x2 -#define ATR_FULL 0x3 +#define ATR_IDLE 0x0 // indicies into v +#define ATR_TX 0x1 +#define ATR_RX 0x2 +#define ATR_FULL 0x3 #endif /* INCLUDED_USRP2_REGS_HPP */ |