diff options
Diffstat (limited to 'firmware/zpu')
| -rw-r--r-- | firmware/zpu/apps/txrx_uhd.c | 26 | ||||
| -rw-r--r-- | firmware/zpu/lib/clock_bits.h | 55 | ||||
| -rw-r--r-- | firmware/zpu/lib/clocks.c | 174 | ||||
| -rw-r--r-- | firmware/zpu/lib/clocks.h | 71 | ||||
| -rw-r--r-- | firmware/zpu/lib/net_common.c | 32 | ||||
| -rw-r--r-- | firmware/zpu/usrp2/memory_map.h | 134 | ||||
| -rw-r--r-- | firmware/zpu/usrp2p/memory_map.h | 134 |
7 files changed, 73 insertions, 553 deletions
diff --git a/firmware/zpu/apps/txrx_uhd.c b/firmware/zpu/apps/txrx_uhd.c index 4ccb585e2..0c93d2352 100644 --- a/firmware/zpu/apps/txrx_uhd.c +++ b/firmware/zpu/apps/txrx_uhd.c @@ -53,20 +53,34 @@ static void setup_network(void); // the fast-path setup global variables // ---------------------------------------------------------------- static eth_mac_addr_t fp_mac_addr_src, fp_mac_addr_dst; -extern struct socket_address fp_socket_src, fp_socket_dst; +struct socket_address fp_socket_src, fp_socket_dst; +extern uint16_t dsp0_dst_port, err0_dst_port, dsp1_dst_port; static void handle_udp_err0_packet( struct socket_address src, struct socket_address dst, unsigned char *payload, int payload_len ){ sr_udp_sm->err0_port = (((uint32_t)dst.port) << 16) | src.port; + err0_dst_port = src.port; printf("Storing for async error path:\n"); printf(" source udp port: %d\n", dst.port); printf(" destination udp port: %d\n", src.port); newline(); } -static void handle_udp_data_packet( +static void handle_udp_dsp1_packet( + struct socket_address src, struct socket_address dst, + unsigned char *payload, int payload_len +){ + sr_udp_sm->dsp1_port = (((uint32_t)dst.port) << 16) | src.port; + dsp1_dst_port = src.port; + printf("Storing for dsp1 path:\n"); + printf(" source udp port: %d\n", dst.port); + printf(" destination udp port: %d\n", src.port); + newline(); +} + +static void handle_udp_dsp0_packet( struct socket_address src, struct socket_address dst, unsigned char *payload, int payload_len ){ @@ -75,7 +89,8 @@ static void handle_udp_data_packet( fp_socket_src = dst; fp_socket_dst = src; sr_udp_sm->dsp0_port = (((uint32_t)dst.port) << 16) | src.port; - printf("Storing for fast path:\n"); + dsp0_dst_port = src.port; + printf("Storing for dsp0 path:\n"); printf(" source mac addr: "); print_mac_addr(&fp_mac_addr_src); newline(); printf(" source ip addr: "); @@ -341,13 +356,14 @@ main(void) //1) register the addresses into the network stack register_addrs(ethernet_mac_addr(), get_ip_addr()); - pkt_ctrl_program_inspector(get_ip_addr(), USRP2_UDP_DATA_PORT); + pkt_ctrl_program_inspector(get_ip_addr(), USRP2_UDP_DSP0_PORT); //2) register callbacks for udp ports we service init_udp_listeners(); register_udp_listener(USRP2_UDP_CTRL_PORT, handle_udp_ctrl_packet); - register_udp_listener(USRP2_UDP_DATA_PORT, handle_udp_data_packet); + register_udp_listener(USRP2_UDP_DSP0_PORT, handle_udp_dsp0_packet); register_udp_listener(USRP2_UDP_ERR0_PORT, handle_udp_err0_packet); + register_udp_listener(USRP2_UDP_DSP1_PORT, handle_udp_dsp1_packet); #ifdef USRP2P register_udp_listener(USRP2_UDP_UPDATE_PORT, handle_udp_fw_update_packet); #endif diff --git a/firmware/zpu/lib/clock_bits.h b/firmware/zpu/lib/clock_bits.h deleted file mode 100644 index d2052e941..000000000 --- a/firmware/zpu/lib/clock_bits.h +++ /dev/null @@ -1,55 +0,0 @@ -// -// Copyright 2010 Ettus Research LLC -// -/* - * Copyright 2008 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * GNU Radio 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, or (at your option) - * any later version. - * - * GNU Radio 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, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -#ifndef INCLUDED_USRP2_CLOCK_BITS_H -#define INCLUDED_USRP2_CLOCK_BITS_H - -#define _MC_WE_LOCK 0x0001 -#define _MC_MIMO_CLK_INPUT 0x0002 // else SMA input - -/* - * Derived masks (use these): - * - * We get our input from 1 of three places: - * Our free running oscilator, our SMA connector, or from the MIMO connector - */ -#define MC_WE_DONT_LOCK 0x0000 -#define MC_WE_LOCK_TO_SMA (_MC_WE_LOCK | 0) -#define MC_WE_LOCK_TO_MIMO (_MC_WE_LOCK | _MC_MIMO_CLK_INPUT) - -/* - * Independent of the source of the clock, we may or may not drive our - * clock onto the mimo connector. Note that there are dedicated clock - * signals in each direction, so disaster doesn't occurs if we're - * unnecessarily providing clock. - */ -#define MC_PROVIDE_CLK_TO_MIMO 0x0004 - -#define MC_REF_CLK_MASK 0x0f - -#define MC_PPS_SOURCE_SMA (0x00 << 4) -#define MC_PPS_SOURCE_MIMO (0x01 << 4) - -#define MC_PPS_POLARITY_NEG (0x00 << 5) -#define MC_PPS_POLARITY_POS (0x01 << 5) - -#endif /* INCLUDED_USRP2_CLOCK_BITS_H */ diff --git a/firmware/zpu/lib/clocks.c b/firmware/zpu/lib/clocks.c index 2b352a385..c1e8ce827 100644 --- a/firmware/zpu/lib/clocks.c +++ b/firmware/zpu/lib/clocks.c @@ -1,4 +1,6 @@ -/* -*- c++ -*- */ +// +// Copyright 2010-2011 Ettus Research LLC +// /* * Copyright 2008 Free Software Foundation, Inc. * @@ -16,119 +18,39 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif #include <clocks.h> - +#include <stdbool.h> #include "memory_map.h" #include "ad9510.h" #include "spi.h" -#include "u2_init.h" -//USRP2PLUS clocks: -//Clock 0: testclk -//Clock 1: FPGA clk -//Clock 2: ADC clk -//Clock 3: DAC clk -//Clock 4: SER clk -//Clock 5: TX dboard clk -//Clock 6: EXP clk -//Clock 7: RX dboard clk +/*! + * \brief Lock Detect -- Return True if our PLL is locked + */ +bool clocks_lock_detect(); -//TODO: should have enough brains to init the FPGA clock for USRP2+. all others are suspect. -//note that without EEPROM support u2_hw_rev_major is going to be incorrect. +/*! + * \brief Enable or disable fpga clock. Disabling would wedge and require a power cycle. + */ +void clocks_enable_fpga_clk(bool enable, int divisor); void clocks_init(void) { // Set up basic clocking functions in AD9510 - ad9510_write_reg(0x45, 0x01); // CLK2 drives distribution + ad9510_write_reg(0x45, 0x01); //enable the 100MHz clock output to the FPGA for 50MHz CPU clock clocks_enable_fpga_clk(true, 1); spi_wait(); - // Set up PLL for 10 MHz reference - // Reg 4, A counter, Don't Care -// ad9510_write_reg(0x05, 0x00); // Reg 5, B counter MSBs, 0 -// ad9510_write_reg(0x06, 0x05); // Reg 6, B counter LSBs, 5 - // Reg 7, Loss of reference detect, doesn't work yet, 0 -// ad9510_write_reg(0x5A, 0x01); // Update Regs - - // Primary clock configuration -// clocks_mimo_config(MC_WE_DONT_LOCK); - - //wait for the clock to stabilize while(!clocks_lock_detect()); //issue a reset to the DCM so it locks up to the new freq output_regs->clk_ctrl |= CLK_RESET; - - // Set up other clocks - //clocks_enable_test_clk(false, 0); - //clocks_enable_tx_dboard(false, 0); - //clocks_enable_rx_dboard(false, 0); -// clocks_enable_eth_phyclk(false, 0); //PHY clk is separate now (u2r4, u2p) - - // Enable clock to ADCs and DACs - //clocks_enable_dac_clk(true, 1); - //clocks_enable_adc_clk(true, 1); -} - -/* -void -clocks_mimo_config(int flags) -{ - if (flags & _MC_WE_LOCK){ - // Reg 8, Charge pump on, dig lock det, positive PFD, 47 - ad9510_write_reg(0x08, 0x47); - } - else { - // Reg 8, Charge pump off, dig lock det, positive PFD - ad9510_write_reg(0x08, 0x00); - } - - // Reg 9, Charge pump current, 0x40=3mA, 0x00=650uA - ad9510_write_reg(0x09, 0x00); - // Reg A, Prescaler of 2, everything normal 04 - ad9510_write_reg(0x0A, 0x04); - // Reg B, R Div MSBs, 0 - ad9510_write_reg(0x0B, 0x00); - // Reg C, R Div LSBs, 1 - ad9510_write_reg(0x0C, 0x01); - // Reg D, Antibacklash, Digital lock det, 0 - - ad9510_write_reg(0x5A, 0x01); // Update Regs - - spi_wait(); - - // Allow for clock switchover - // The below masks include 0x10, which issues a reset to the DCM. - if (flags & _MC_WE_LOCK){ // WE LOCK - if (flags & _MC_MIMO_CLK_INPUT) { - // Turn on ref output and choose the MIMO connector - output_regs->clk_ctrl = 0x15; - } - else { - // turn on ref output and choose the SMA - output_regs->clk_ctrl = 0x1C; - } - } - else { // WE DONT LOCK - // Disable both ext clk inputs - output_regs->clk_ctrl = 0x10; - } - - // Do we drive a clock onto the MIMO connector? -// if (flags & MC_PROVIDE_CLK_TO_MIMO) -// clocks_enable_clkexp_out(true,10); -// else -// clocks_enable_clkexp_out(false,0); } -*/ bool clocks_lock_detect() @@ -188,79 +110,9 @@ clocks_enable_XXX_clk(bool enable, int divisor, int reg_en, int reg_div, int mod ad9510_write_reg(0x5A, 0x01); // Update Regs } -// Clock 0 -/*void -clocks_enable_test_clk(bool enable, int divisor) -{ - clocks_enable_XXX_clk(enable,divisor,0x3C,0x48,CLOCK_MODE_PECL); -}*/ - // Clock 1 void clocks_enable_fpga_clk(bool enable, int divisor) { clocks_enable_XXX_clk(enable,divisor,0x3D,0x4A,CLOCK_MODE_PECL); } -/* -// Clock 2 on Rev 3, Clock 5 on Rev 4, Clock 6 on USRP2+ -void -clocks_enable_clkexp_out(bool enable, int divisor) -{ - if(u2_hw_rev_major == 3) - clocks_enable_XXX_clk(enable,divisor,0x3E,0x4C,CLOCK_MODE_PECL); - else if(u2_hw_rev_major == 4) { - ad9510_write_reg(0x34,0x00); // Turn on fine delay - ad9510_write_reg(0x35,0x00); // Set Full Scale to nearly 10ns - ad9510_write_reg(0x36,0x1c); // Set fine delay. 0x20 is midscale - clocks_enable_XXX_clk(enable,divisor,0x41,0x52,CLOCK_MODE_LVDS); - } - else if(u2_hw_rev_major == 10) { - ad9510_write_reg(0x34, 0x00); - ad9510_write_reg(0x35, 0x00); - ad9510_write_reg(0x36, 0x1C); - clocks_enable_XXX_clk(enable, divisor, 0x42, 0x52, CLOCK_MODE_LVDS); - } - else - putstr("ERR (clocks_enable_clkexp_out): Invalid hw rev, don't know what to do!\n"); -} -*/ -/* -// Clock 5 on Rev 3, none (was 2) on Rev 4, none on USRP2+ -void -clocks_enable_eth_phyclk(bool enable, int divisor) -{ - if(u2_hw_rev_major == 3) - clocks_enable_XXX_clk(enable,divisor,0x41,0x52,CLOCK_MODE_LVDS); - else if(u2_hw_rev_major == 4) - clocks_enable_XXX_clk(enable,divisor,0x3E,0x4C,CLOCK_MODE_PECL); - else - putstr("(clocks_enable_eth_phyclk): no eth PHY clock or invalid hw rev\n"); //not really an error -} -*/ -// Clock 3 -/*void -clocks_enable_dac_clk(bool enable, int divisor) -{ - clocks_enable_XXX_clk(enable,divisor,0x3F,0x4E,CLOCK_MODE_PECL); -}*/ - -// Clock 4 -/*void -clocks_enable_adc_clk(bool enable, int divisor) -{ - clocks_enable_XXX_clk(enable,divisor,0x40,0x50,CLOCK_MODE_LVDS); -}*/ - -// Clock 6 -/*void -clocks_enable_tx_dboard(bool enable, int divisor) -{ - clocks_enable_XXX_clk(enable,divisor,0x42,0x54,CLOCK_MODE_CMOS); -}*/ - -// Clock 7 -/*void -clocks_enable_rx_dboard(bool enable, int divisor) -{ - clocks_enable_XXX_clk(enable,divisor,0x43,0x56,CLOCK_MODE_CMOS); -}*/ diff --git a/firmware/zpu/lib/clocks.h b/firmware/zpu/lib/clocks.h index 28d1d542f..7bc7a3cda 100644 --- a/firmware/zpu/lib/clocks.h +++ b/firmware/zpu/lib/clocks.h @@ -1,5 +1,5 @@ // -// Copyright 2010 Ettus Research LLC +// Copyright 2010-2011 Ettus Research LLC // /* * Copyright 2008 Free Software Foundation, Inc. @@ -21,75 +21,10 @@ #ifndef INCLUDED_CLOCKS_H #define INCLUDED_CLOCKS_H -/* - * Routines to configure our multitude of clocks - */ - -#include <stdbool.h> -#include "clock_bits.h" - - /*! - * One time call to initialize all clocks to a reasonable state. We - * come out of here using our free running 100MHz oscilator and not - * providing a clock to the MIMO connector (CMC_WE_DONT_LOCK) + * One time call to initialize the master clock to a reasonable state. + * We come out of here using our free running 100MHz oscillator. */ void clocks_init(void); - -/*! - * \brief MIMO clock configuration. - * - * Configure our master clock source, and whether or not we drive a - * clock onto the mimo connector. See MC_flags in usrp2_mimo_config.h. - */ -//void clocks_mimo_config(int flags); - -/*! - * \brief Lock Detect -- Return True if our PLL is locked - */ -bool clocks_lock_detect(); - -/*! - * \brief Enable or disable test clock (extra clock signal) - */ -//void clocks_enable_test_clk(bool enable, int divisor); - -/*! - * \brief Enable or disable fpga clock. Disabling would wedge and require a power cycle. - */ -void clocks_enable_fpga_clk(bool enable, int divisor); - -/*! - * \brief Enable or disable clock output sent to MIMO connector - */ -//void clocks_enable_clkexp_out(bool enable, int divisor); - -/*! - * \brief Enable or disable ethernet phyclk, should always be disabled - */ -//void clocks_enable_eth_phyclk(bool enable, int divisor); - -/*! - * \brief Enable or disable clock to DAC - */ -//void clocks_enable_dac_clk(bool enable, int divisor); - -/*! - * \brief Enable or disable clock to ADC - */ -//void clocks_enable_adc_clk(bool enable, int divisor); - -/*! - * \brief Enable or disable clock to Rx daughterboard - */ -//void clocks_enable_rx_dboard(bool enable, int divisor); - - -/*! - * \brief Enable or disable clock to Tx daughterboard - */ -//void clocks_enable_tx_dboard(bool enable, int divisor); - - #endif /* INCLUDED_CLOCKS_H */ diff --git a/firmware/zpu/lib/net_common.c b/firmware/zpu/lib/net_common.c index d1b06976d..6a0fd254b 100644 --- a/firmware/zpu/lib/net_common.c +++ b/firmware/zpu/lib/net_common.c @@ -1,6 +1,5 @@ -/* -*- c -*- */ /* - * Copyright 2009,2010 Ettus Research LLC + * Copyright 2009-2011 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 @@ -42,7 +41,7 @@ static const bool debug = false; static const eth_mac_addr_t BCAST_MAC_ADDR = {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}}; //used in the top level application... -struct socket_address fp_socket_src, fp_socket_dst; +uint16_t dsp0_dst_port, err0_dst_port, dsp1_dst_port; // ------------------------------------------------------------------------ @@ -277,15 +276,24 @@ handle_icmp_packet(struct ip_addr src, struct ip_addr dst, //filter out non udp data response struct ip_hdr *ip = (struct ip_hdr *)(((uint8_t*)icmp) + sizeof(struct icmp_echo_hdr)); struct udp_hdr *udp = (struct udp_hdr *)(((char *)ip) + IP_HLEN); - if (IPH_PROTO(ip) != IP_PROTO_UDP || udp->dest != fp_socket_dst.port) return; - - //end async update packets per second - sr_tx_ctrl->cyc_per_up = 0; - - //the end continuous streaming command - sr_rx_ctrl->cmd = 1 << 31; //no samples now - sr_rx_ctrl->time_secs = 0; - sr_rx_ctrl->time_ticks = 0; //latch the command + if (IPH_PROTO(ip) != IP_PROTO_UDP) break; + + if (udp->dest == dsp0_dst_port){ + //the end continuous streaming command + sr_rx_ctrl0->cmd = 1 << 31; //no samples now + sr_rx_ctrl0->time_secs = 0; + sr_rx_ctrl0->time_ticks = 0; //latch the command + } + else if (udp->dest == dsp1_dst_port){ + //the end continuous streaming command + sr_rx_ctrl1->cmd = 1 << 31; //no samples now + sr_rx_ctrl1->time_secs = 0; + sr_rx_ctrl1->time_ticks = 0; //latch the command + } + else if (udp->dest == err0_dst_port){ + //end async update packets per second + sr_tx_ctrl->cyc_per_up = 0; + } //struct udp_hdr *udp = (struct udp_hdr *)((char *)icmp + 28); //printf("icmp port unr %d\n", udp->dest); diff --git a/firmware/zpu/usrp2/memory_map.h b/firmware/zpu/usrp2/memory_map.h index e728a1ddb..79b11759a 100644 --- a/firmware/zpu/usrp2/memory_map.h +++ b/firmware/zpu/usrp2/memory_map.h @@ -1,4 +1,4 @@ -/* -*- c -*- */ +// Copyright 2010-2011 Ettus Research LLC /* * Copyright 2007,2008,2009 Free Software Foundation, Inc. * @@ -227,8 +227,10 @@ hwconfig_wishbone_divisor(void) #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_RX_DSP0 160 +#define SR_RX_DSP1 240 +#define SR_RX_CTRL0 176 +#define SR_RX_CTRL1 32 #define SR_TIME64 192 #define SR_SIMTIMER 198 #define SR_LAST 255 @@ -350,10 +352,7 @@ typedef struct { #define sr_udp_sm ((sr_udp_sm_t *) _SR_ADDR(SR_UDP_SM)) -// --- dsp tx regs --- - -#define MIN_CIC_INTERP 1 -#define MAX_CIC_INTERP 128 +// --- VITA TX CTRL regs --- typedef struct { volatile uint32_t num_chan; @@ -366,52 +365,6 @@ typedef struct { #define sr_tx_ctrl ((sr_tx_ctrl_t *) _SR_ADDR(SR_TX_CTRL)) -typedef struct { - volatile int32_t freq; - volatile uint32_t scale_iq; // {scale_i,scale_q} - volatile uint32_t interp_rate; - volatile 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> - */ - volatile uint32_t tx_mux; - -} dsp_tx_regs_t; - -#define dsp_tx_regs ((dsp_tx_regs_t *) _SR_ADDR(SR_TX_DSP)) - // --- VITA RX CTRL regs --- typedef struct { // The following 3 are logically a single command register. @@ -419,81 +372,10 @@ typedef struct { volatile uint32_t cmd; // {now, chain, num_samples(30) volatile uint32_t time_secs; volatile uint32_t time_ticks; - - volatile uint32_t clear_overrun; // write anything to clear overrun - volatile uint32_t vrt_header; // word 0 of packet. FPGA fills in packet counter - volatile uint32_t vrt_stream_id; // word 1 of packet. - volatile uint32_t vrt_trailer; - volatile uint32_t nsamples_per_pkt; - volatile uint32_t nchannels; // 1 in basic case, up to 4 for vector sources - volatile uint32_t pad[7]; // Make each structure 16 elements long } sr_rx_ctrl_t; -#define sr_rx_ctrl ((sr_rx_ctrl_t *) _SR_ADDR(SR_RX_CTRL)) - -// --- dsp rx regs --- -#define MIN_CIC_DECIM 1 -#define MAX_CIC_DECIM 128 - -typedef struct { - volatile int32_t freq; - volatile uint32_t scale_iq; // {scale_i,scale_q} - volatile uint32_t decim_rate; - volatile uint32_t dcoffset_i; // Bit 31 high sets fixed offset mode, using lower 14 bits, - // otherwise it is automatic - volatile 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> - */ - volatile uint32_t rx_mux; // called adc_mux in dsp_core_rx.v - - /*! - * \brief Streaming GPIO configuration - * - * This determines whether the LSBs of I and Q samples come from the DSP - * pipeline or from the io_rx GPIO pins. To stream GPIO, one must first - * set the GPIO data direction register to have io_rx[15] and/or io_rx[14] - * configured as inputs. The GPIO pins will be sampled at the time the - * remainder of the DSP sample is strobed into the RX sample FIFO. There - * will be a decimation-dependent fixed time offset between the GPIO - * sample stream and the associated RF samples. - * - * 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 - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * | MBZ |Q|I| - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * - * I 0=LSB comes from DSP pipeline (default) - * 1=LSB comes from io_rx[15] - * - * Q 0=LSB comes from DSP pipeline (default) - * 1=LSB comes from io_rx[14] - */ - volatile uint32_t gpio_stream_enable; - -} dsp_rx_regs_t; - -#define dsp_rx_regs ((dsp_rx_regs_t *) _SR_ADDR(SR_RX_DSP)) +#define sr_rx_ctrl0 ((sr_rx_ctrl_t *) _SR_ADDR(SR_RX_CTRL0)) +#define sr_rx_ctrl1 ((sr_rx_ctrl_t *) _SR_ADDR(SR_RX_CTRL1)) // ---------------------------------------------------------------- // VITA49 64 bit time (write only) diff --git a/firmware/zpu/usrp2p/memory_map.h b/firmware/zpu/usrp2p/memory_map.h index 36d8ac9f2..2567a4588 100644 --- a/firmware/zpu/usrp2p/memory_map.h +++ b/firmware/zpu/usrp2p/memory_map.h @@ -1,4 +1,4 @@ -/* -*- c -*- */ +// Copyright 2010-2011 Ettus Research LLC /* * Copyright 2007,2008,2009 Free Software Foundation, Inc. * @@ -218,8 +218,10 @@ hwconfig_wishbone_divisor(void) #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_RX_DSP0 160 +#define SR_RX_DSP1 240 +#define SR_RX_CTRL0 176 +#define SR_RX_CTRL1 32 #define SR_TIME64 192 #define SR_SIMTIMER 198 #define SR_LAST 255 @@ -343,10 +345,7 @@ typedef struct { #define sr_udp_sm ((sr_udp_sm_t *) _SR_ADDR(SR_UDP_SM)) -// --- dsp tx regs --- - -#define MIN_CIC_INTERP 1 -#define MAX_CIC_INTERP 128 +// --- VITA TX CTRL regs --- typedef struct { volatile uint32_t num_chan; @@ -359,52 +358,6 @@ typedef struct { #define sr_tx_ctrl ((sr_tx_ctrl_t *) _SR_ADDR(SR_TX_CTRL)) -typedef struct { - volatile int32_t freq; - volatile uint32_t scale_iq; // {scale_i,scale_q} - volatile uint32_t interp_rate; - volatile 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> - */ - volatile uint32_t tx_mux; - -} dsp_tx_regs_t; - -#define dsp_tx_regs ((dsp_tx_regs_t *) _SR_ADDR(SR_TX_DSP)) - // --- VITA RX CTRL regs --- typedef struct { // The following 3 are logically a single command register. @@ -412,81 +365,10 @@ typedef struct { volatile uint32_t cmd; // {now, chain, num_samples(30) volatile uint32_t time_secs; volatile uint32_t time_ticks; - - volatile uint32_t clear_overrun; // write anything to clear overrun - volatile uint32_t vrt_header; // word 0 of packet. FPGA fills in packet counter - volatile uint32_t vrt_stream_id; // word 1 of packet. - volatile uint32_t vrt_trailer; - volatile uint32_t nsamples_per_pkt; - volatile uint32_t nchannels; // 1 in basic case, up to 4 for vector sources - volatile uint32_t pad[7]; // Make each structure 16 elements long } sr_rx_ctrl_t; -#define sr_rx_ctrl ((sr_rx_ctrl_t *) _SR_ADDR(SR_RX_CTRL)) - -// --- dsp rx regs --- -#define MIN_CIC_DECIM 1 -#define MAX_CIC_DECIM 128 - -typedef struct { - volatile int32_t freq; - volatile uint32_t scale_iq; // {scale_i,scale_q} - volatile uint32_t decim_rate; - volatile uint32_t dcoffset_i; // Bit 31 high sets fixed offset mode, using lower 14 bits, - // otherwise it is automatic - volatile 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> - */ - volatile uint32_t rx_mux; // called adc_mux in dsp_core_rx.v - - /*! - * \brief Streaming GPIO configuration - * - * This determines whether the LSBs of I and Q samples come from the DSP - * pipeline or from the io_rx GPIO pins. To stream GPIO, one must first - * set the GPIO data direction register to have io_rx[15] and/or io_rx[14] - * configured as inputs. The GPIO pins will be sampled at the time the - * remainder of the DSP sample is strobed into the RX sample FIFO. There - * will be a decimation-dependent fixed time offset between the GPIO - * sample stream and the associated RF samples. - * - * 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 - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * | MBZ |Q|I| - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * - * I 0=LSB comes from DSP pipeline (default) - * 1=LSB comes from io_rx[15] - * - * Q 0=LSB comes from DSP pipeline (default) - * 1=LSB comes from io_rx[14] - */ - volatile uint32_t gpio_stream_enable; - -} dsp_rx_regs_t; - -#define dsp_rx_regs ((dsp_rx_regs_t *) _SR_ADDR(SR_RX_DSP)) +#define sr_rx_ctrl0 ((sr_rx_ctrl_t *) _SR_ADDR(SR_RX_CTRL0)) +#define sr_rx_ctrl1 ((sr_rx_ctrl_t *) _SR_ADDR(SR_RX_CTRL1)) // ---------------------------------------------------------------- // VITA49 64 bit time (write only) |