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Software for White Rabbit PTP Core
Commit cd847743 authored by Tomasz Wlostowski's avatar Tomasz Wlostowski
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ertm14: set up default config for AD9910 DDS

parent fba820d1
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Showing with 78 additions and 19 deletions
ertm14.c
View file @ cd847743
......@@ -6,14 +6,16 @@
#include "dev/ad951x.h"
#include "dev/ltc6950.h"
#include "dev/ad9910.h"
#include "dev/clock_monitor.h"
#define BASE_AUXWB 0x28000
#define BASE_CLOCK_MONITOR 0x28100
struct gpio_device gpio_aux;
struct wb_clock_monitor_device ertm14_cmon;
static const struct gpio_pin pin_pll_main_cs_n = { &gpio_aux, 0 };
static const struct gpio_pin pin_pll_main_sdi = { &gpio_aux, 1 };
static const struct gpio_pin pin_pll_main_sdo = { &gpio_aux, 2 };
......@@ -37,10 +39,15 @@ static const struct gpio_pin pin_ltc6950_ce_gen = { &gpio_aux, 18 };
static const struct gpio_pin pin_ltc6950_ce_distr = { &gpio_aux, 19 };
static const struct gpio_pin pin_ltc6950_sync = { &gpio_aux, 20 };
static const struct gpio_pin pin_ad9910_sdio = { &gpio_aux, 4+21 };
static const struct gpio_pin pin_ad9910_sclk = { &gpio_aux, 5+21 };
static const struct gpio_pin pin_ad9910_reset = { &gpio_aux, 6+21 };
static const struct gpio_pin pin_ad9910_io_update = { &gpio_aux, 3+21 };
static const struct gpio_pin pin_ad9910_lo_sdio = { &gpio_aux, 4+21 };
static const struct gpio_pin pin_ad9910_lo_sclk = { &gpio_aux, 5+21 };
static const struct gpio_pin pin_ad9910_lo_reset = { &gpio_aux, 6+21 };
static const struct gpio_pin pin_ad9910_lo_io_update = { &gpio_aux, 3+21 };
static const struct gpio_pin pin_ad9910_ref_sdio = { &gpio_aux, 4+28 };
static const struct gpio_pin pin_ad9910_ref_sclk = { &gpio_aux, 5+28 };
static const struct gpio_pin pin_ad9910_ref_reset = { &gpio_aux, 6+28 };
static const struct gpio_pin pin_ad9910_ref_io_update = { &gpio_aux, 3+28 };
static const struct gpio_pin pin_ocxo_override = { &gpio_aux, 48 };
static const struct gpio_pin pin_ocxo_cs_n = { &gpio_aux, 51 };
......@@ -51,6 +58,7 @@ struct spi_bus spi_pll_main;
struct spi_bus spi_pll_ext;
struct spi_bus spi_ltc6950;
struct spi_bus spi_ad9910_ref;
struct spi_bus spi_ad9910_lo;
struct spi_bus spi_ocxo_dac;
......@@ -58,16 +66,23 @@ struct ad951x_device ad9516_main;
struct ad951x_device ad9516_ext;
struct ltc6950_device ltc6950_pll;
struct ad9910_device dds_ad9910_ref;
struct ad9910_device dds_ad9910_lo;
static struct ad951x_config pll_main_dot050_config =
#include "ertm_14_pll_main_dot050_config.h"
static struct ad951x_config pll_main_ocxo_config =
#include "ertm_14_pll_ocxo_config.h"
static struct ltc6950_config pll_ertm15_config =
#include "ertm_15_ltc6950_config.h"
void ertm14_init()
{
int i;
uint32_t id;
wb_gpio_create( &gpio_aux, BASE_AUXWB );
gen_gpio_set_dir(&pin_main_xo_en_n, 1);
......@@ -102,37 +117,82 @@ void ertm14_init()
bb_spi_create( &spi_ad9910_ref,
NULL,
&pin_ad9910_sdio,
&pin_ad9910_sdio,
&pin_ad9910_sclk,
&pin_ad9910_ref_sdio,
&pin_ad9910_ref_sdio,
&pin_ad9910_ref_sclk,
100 );
bb_spi_create( &spi_ad9910_lo,
NULL,
&pin_ad9910_lo_sdio,
&pin_ad9910_lo_sdio,
&pin_ad9910_lo_sclk,
100 );
ltc6950_pll.bus = &spi_ltc6950;
pp_printf("LTC6950 RevID: 0x%x (expected 0x%x)\n" ,ltc6950_read( &ltc6950_pll, 0x16 ), 0x65 );
id = ltc6950_read( &ltc6950_pll, 0x16 );
if( id != 0x65 )
{
pp_printf("Error initializing LTC6950 (read RevID: 0x%x, expected: 0x%x)\n", id, 0x65 );
}
ad951x_init(&ad9516_main, &spi_pll_main, &pin_pll_main_reset, &pin_pll_main_lock );
ad951x_init(&ad9516_ext, &spi_pll_ext, &pin_pll_ext_reset, &pin_pll_ext_lock );
ad951x_configure(&ad9516_main, &pll_main_dot050_config);
//ad951x_configure(&ad9516_main, &pll_main_dot050_config);
ad951x_configure(&ad9516_main, &pll_main_ocxo_config);
ltc6950_configure(&ltc6950_pll, &pll_ertm15_config);
wb_cm_init(&ertm14_cmon, BASE_CLOCK_MONITOR, 5);
wb_cm_configure(&ertm14_cmon, 0, 2, 6250000 );
wb_cm_restart(&ertm14_cmon);
gen_gpio_out(&pin_ocxo_override, 0);
bb_spi_create( &spi_ocxo_dac,
bb_spi_create( &spi_ocxo_dac,
&pin_ocxo_cs_n,
&pin_ocxo_data,
&pin_ocxo_data,
&pin_ocxo_sclk,
100 );
gen_gpio_out(&pin_ad9910_ref_reset, 1);
gen_gpio_out(&pin_ad9910_lo_reset, 1);
usleep(10);
gen_gpio_out(&pin_ad9910_reset, 0);
gen_gpio_out(&pin_ad9910_ref_reset, 0);
gen_gpio_out(&pin_ad9910_lo_reset, 0);
dds_ad9910_ref.pin_ioupdate = &pin_ad9910_ref_io_update;
dds_ad9910_lo.pin_ioupdate = &pin_ad9910_lo_io_update;
dds_ad9910_ref.pin_ioupdate = &pin_ad9910_io_update;
ad9910_probe( &dds_ad9910_ref, &spi_ad9910_ref );
ad9910_probe( &dds_ad9910_lo, &spi_ad9910_lo );
usleep(1000000);
ad9910_program(&dds_ad9910_ref, 0, 0, 0);
#if 0
for(;;)
{
pp_printf("SillyTest\n");
for(i=0;i<10000000;i++) asm volatile("nop");
spll_set_dac(0, 0);
for(i=0;i<10000000;i++) asm volatile("nop");
//bb_spi_cs(&spi_ocxo_dac, 1);
//bb_spi_write(&spi_ocxo_dac, 60000, 16);
//bb_spi_cs(&spi_ocxo_dac, 0);
spll_set_dac(0, 60000);
}
#endif
}
......
wrc_main.c
View file @ cd847743
......@@ -79,7 +79,6 @@ static void wrc_initialize(void)
timer_init(1);
pp_printf("Board low-level setup\n");
ertm14_init();
get_hw_name(wrc_hw_name);
......@@ -118,7 +117,7 @@ static void wrc_initialize(void)
minic_init();
shw_pps_gen_init();
//wrc_ptp_init();
wrc_ptp_init();
/* try reading t24 phase transition from EEPROM */
calib_t24p(WRC_MODE_MASTER, &cal_phase_transition);
spll_very_init();
......@@ -128,8 +127,8 @@ static void wrc_initialize(void)
wrc_ui_mode = UI_SHELL_MODE;
_endram = ENDRAM_MAGIC;
//wrc_ptp_set_mode(WRC_MODE_SLAVE);
//wrc_ptp_start();
wrc_ptp_set_mode(WRC_MODE_SLAVE);
wrc_ptp_start();
//shw_pps_gen_get_time(NULL, &prev_nanos_for_profile);
/* get tics */
//prev_ticks_for_profile = timer_get_tics();
......
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