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////////////////////////////////////////////////////////////////
//
// Memory map for embedded wishbone bus
//
////////////////////////////////////////////////////////////////
// All addresses are byte addresses. All accesses are word (16-bit) accesses.
// This means that address bit 0 is usually 0.
// There are 11 bits of address for the control.
#ifndef __USRP_E_REGS_H
#define __USRP_E_REGS_H
/////////////////////////////////////////////////////
// Slave pointers
#define UE_REG_SLAVE(n) ((n)<<7)
#define UE_REG_SR_ADDR(n) ((UE_REG_SLAVE(5)) + (4*(n)))
/////////////////////////////////////////////////////
// Slave 0 -- Misc Regs
#define UE_REG_MISC_BASE UE_REG_SLAVE(0)
#define UE_REG_MISC_LED UE_REG_MISC_BASE + 0
#define UE_REG_MISC_SW UE_REG_MISC_BASE + 2
#define UE_REG_MISC_CGEN_CTRL UE_REG_MISC_BASE + 4
#define UE_REG_MISC_CGEN_ST UE_REG_MISC_BASE + 6
#define UE_REG_MISC_TEST UE_REG_MISC_BASE + 8
#define UE_REG_MISC_RX_LEN UE_REG_MISC_BASE + 10
#define UE_REG_MISC_TX_LEN UE_REG_MISC_BASE + 12
/////////////////////////////////////////////////////
// Slave 1 -- UART
// CLKDIV is 16 bits, others are only 8
#define UE_REG_UART_BASE UE_REG_SLAVE(1)
#define UE_REG_UART_CLKDIV UE_REG_UART_BASE + 0
#define UE_REG_UART_TXLEVEL UE_REG_UART_BASE + 2
#define UE_REG_UART_RXLEVEL UE_REG_UART_BASE + 4
#define UE_REG_UART_TXCHAR UE_REG_UART_BASE + 6
#define UE_REG_UART_RXCHAR UE_REG_UART_BASE + 8
/////////////////////////////////////////////////////
// Slave 2 -- SPI Core
// This should be accessed through the IOCTL
// Users should not touch directly
#define UE_REG_SPI_BASE UE_REG_SLAVE(2)
//spi slave constants
#define UE_SPI_SS_AD9522 (1 << 3)
#define UE_SPI_SS_AD9862 (1 << 2)
#define UE_SPI_SS_TX_DB (1 << 1)
#define UE_SPI_SS_RX_DB (1 << 0)
////////////////////////////////////////////////
// Slave 3 -- I2C Core
// This should be accessed through the IOCTL
// Users should not touch directly
#define UE_REG_I2C_BASE UE_REG_SLAVE(3)
////////////////////////////////////////////////
// Slave 4 -- GPIO
#define UE_REG_GPIO_BASE UE_REG_SLAVE(4)
#define UE_REG_GPIO_RX_IO UE_REG_GPIO_BASE + 0
#define UE_REG_GPIO_TX_IO UE_REG_GPIO_BASE + 2
#define UE_REG_GPIO_RX_DDR UE_REG_GPIO_BASE + 4
#define UE_REG_GPIO_TX_DDR UE_REG_GPIO_BASE + 6
#define UE_REG_GPIO_RX_SEL UE_REG_GPIO_BASE + 8
#define UE_REG_GPIO_TX_SEL UE_REG_GPIO_BASE + 10
#define UE_REG_GPIO_RX_DBG UE_REG_GPIO_BASE + 12
#define UE_REG_GPIO_TX_DBG UE_REG_GPIO_BASE + 14
//possible bit values for sel when dbg is 0:
#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
//possible bit values for sel when dbg is 1:
#define GPIO_SEL_DEBUG_0 0 // if pin is an output, debug lines from FPGA fabric
#define GPIO_SEL_DEBUG_1 1 // if pin is an output, debug lines from FPGA fabric
////////////////////////////////////////////////////
// Slave 5 -- Settings Bus
//
// Output-only, no readback, 32 registers total
// Each register must be written 32 bits at a time
// First the address xxx_xx00 and then xxx_xx10
#define UE_REG_SETTINGS_BASE UE_REG_SLAVE(5)
///////////////////////////////////////////////////
// Slave 6 -- ATR Controller
// 16 regs
#define UE_REG_ATR_BASE UE_REG_SLAVE(6)
#define UE_REG_ATR_IDLE_RXSIDE UE_REG_ATR_BASE + 0
#define UE_REG_ATR_IDLE_TXSIDE UE_REG_ATR_BASE + 2
#define UE_REG_ATR_INTX_RXSIDE UE_REG_ATR_BASE + 4
#define UE_REG_ATR_INTX_TXSIDE UE_REG_ATR_BASE + 6
#define UE_REG_ATR_INRX_RXSIDE UE_REG_ATR_BASE + 8
#define UE_REG_ATR_INRX_TXSIDE UE_REG_ATR_BASE + 10
#define UE_REG_ATR_FULL_RXSIDE UE_REG_ATR_BASE + 12
#define UE_REG_ATR_FULL_TXSIDE UE_REG_ATR_BASE + 14
/////////////////////////////////////////////////
// DSP RX Regs
////////////////////////////////////////////////
#define UE_REG_DSP_RX_FREQ UE_REG_SR_ADDR(0)
#define UE_REG_DSP_RX_SCALE_IQ UE_REG_SR_ADDR(1) // {scale_i,scale_q}
#define UE_REG_DSP_RX_DECIM_RATE UE_REG_SR_ADDR(2) // hb and decim rate
#define UE_REG_DSP_RX_DCOFFSET_I UE_REG_SR_ADDR(3) // Bit 31 high sets fixed offset mode, using lower 14 bits, // otherwise it is automatic
#define UE_REG_DSP_RX_DCOFFSET_Q UE_REG_SR_ADDR(4) // Bit 31 high sets fixed offset mode, using lower 14 bits
#define UE_REG_DSP_RX_MUX UE_REG_SR_ADDR(5)
///////////////////////////////////////////////////
// VITA 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 UE_REG_CTRL_RX_STREAM_CMD UE_REG_SR_ADDR(8) // {now, chain, num_samples(30)
#define UE_REG_CTRL_RX_TIME_SECS UE_REG_SR_ADDR(9)
#define UE_REG_CTRL_RX_TIME_TICKS UE_REG_SR_ADDR(10)
#define UE_REG_CTRL_RX_CLEAR_OVERRUN UE_REG_SR_ADDR(11) // write anything to clear overrun
#define UE_REG_CTRL_RX_VRT_HEADER UE_REG_SR_ADDR(12) // word 0 of packet. FPGA fills in packet counter
#define UE_REG_CTRL_RX_VRT_STREAM_ID UE_REG_SR_ADDR(13) // word 1 of packet.
#define UE_REG_CTRL_RX_VRT_TRAILER UE_REG_SR_ADDR(14)
#define UE_REG_CTRL_RX_NSAMPS_PER_PKT UE_REG_SR_ADDR(15)
#define UE_REG_CTRL_RX_NCHANNELS UE_REG_SR_ADDR(16) // 1 in basic case, up to 4 for vector sources
/////////////////////////////////////////////////
// DSP TX Regs
////////////////////////////////////////////////
#define UE_REG_DSP_TX_FREQ UE_REG_SR_ADDR(17)
#define UE_REG_DSP_TX_SCALE_IQ UE_REG_SR_ADDR(18) // {scale_i,scale_q}
#define UE_REG_DSP_TX_INTERP_RATE UE_REG_SR_ADDR(19)
#define UE_REG_DSP_TX_UNUSED UE_REG_SR_ADDR(20)
#define UE_REG_DSP_TX_MUX UE_REG_SR_ADDR(21)
/////////////////////////////////////////////////
// VITA TX CTRL regs
////////////////////////////////////////////////
#define UE_REG_CTRL_TX_NCHANNELS UE_REG_SR_ADDR(24)
#define UE_REG_CTRL_TX_CLEAR_UNDERRUN UE_REG_SR_ADDR(25)
/////////////////////////////////////////////////
// VITA49 64 bit time (write only)
////////////////////////////////////////////////
/*!
* \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>
*/
#define UE_REG_TIME64_SECS UE_REG_SR_ADDR(28) // value to set absolute secs to on next PPS
#define UE_REG_TIME64_TICKS UE_REG_SR_ADDR(29) // value to set absolute ticks to on next PPS
#define UE_REG_TIME64_FLAGS UE_REG_SR_ADDR(30) // flags - see chart above
#define UE_REG_TIME64_IMM UE_REG_SR_ADDR(31) // set immediate (0=latch on next pps, 1=latch immediate, default=0)
#define UE_REG_TIME64_TPS UE_REG_SR_ADDR(31) // clock ticks per second (counter rollover)
//pps flags (see above)
#define UE_FLAG_TIME64_PPS_NEGEDGE (0 << 0)
#define UE_FLAG_TIME64_PPS_POSEDGE (1 << 0)
#define UE_FLAG_TIME64_PPS_SMA (0 << 1)
#define UE_FLAG_TIME64_PPS_MIMO (1 << 1)
#define UE_FLAG_TIME64_LATCH_NOW 1
#define UE_FLAG_TIME64_LATCH_NEXT_PPS 0
#endif
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