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Software for White Rabbit PTP Core
Commit f849b7df authored by li hongming's avatar li hongming
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add support for WRS-LJ. 

    There are three types of wrs: normal wrs(mark as wrs), wrs with LJD
(mark as WRS-LJD), wrs with embedded lowjitter circuits(mark as WRSLJ).
    lj_loopback_i/o is used to distinguish wrs from WRS-LJD and WRSLJ.
    lj_osc_freq_i is used to distinguish WRSLJ from WRS-LJD.
        lj_osc_freq_i=111 means WRSLJ.
        lj_osc_freq_i=others means WRS-LJD.

    lj_osc_freq_i[2 downto 0] need to be pulled up
parent 27a29906
Pipeline #231 passed with stages
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      Showing with 12 additions and 2 deletions
      include/gpio-wrs.h
      View file @ f849b7df
      ...@@ -14,6 +14,9 @@ ...@@ -14,6 +14,9 @@
      #define GPIO_PLL_RESET_N 1 #define GPIO_PLL_RESET_N 1
      #define GPIO_PERIPH_RESET_N 3 #define GPIO_PERIPH_RESET_N 3
      #define GPIO_LJD_BOARD_DETECT 4 #define GPIO_LJD_BOARD_DETECT 4
      #define GPIO_LJD_OSC_FREQ_0 5
      #define GPIO_LJD_OSC_FREQ_1 6
      #define GPIO_LJD_OSC_FREQ_2 7
      extern int ljd_present; extern int ljd_present;
      ......
      wrs_main.c
      View file @ f849b7df
      ...@@ -30,6 +30,7 @@ void init_hw_after_reset(void) ...@@ -30,6 +30,7 @@ void init_hw_after_reset(void)
      int main(void) int main(void)
      { {
      uint32_t start_tics = timer_get_tics(); uint32_t start_tics = timer_get_tics();
      int osc_freq=0;
      check_reset(); check_reset();
      stats.start_cnt++; stats.start_cnt++;
      ...@@ -43,8 +44,11 @@ int main(void) ...@@ -43,8 +44,11 @@ int main(void)
      pp_printf("Start counter %d\n", stats.start_cnt); pp_printf("Start counter %d\n", stats.start_cnt);
      /* Low-jitter Daughterboard detection */ /* Low-jitter Daughterboard detection */
      ljd_present = gpio_in(GPIO_LJD_BOARD_DETECT); ljd_present = gpio_in(GPIO_LJD_BOARD_DETECT);
      osc_freq = gpio_in(GPIO_LJD_OSC_FREQ_0);
      osc_freq += (gpio_in(GPIO_LJD_OSC_FREQ_1)<<1);
      osc_freq += (gpio_in(GPIO_LJD_OSC_FREQ_2)<<2);
      if (ljd_present) { if (ljd_present) {
      pp_printf("\n--- WRS Low jitter board detected. ---\n"); pp_printf("\n--- WRS Low jitter board detected. OSC FREQ is %d ---\n",osc_freq);
      pp_printf("Allow 1 hour of warming up before starting measurements\n"); pp_printf("Allow 1 hour of warming up before starting measurements\n");
      } }
      pp_printf("--\n"); pp_printf("--\n");
      ...@@ -54,7 +58,10 @@ int main(void) ...@@ -54,7 +58,10 @@ int main(void)
      /* for sure problem is in calling second time ad9516_init, /* for sure problem is in calling second time ad9516_init,
      * but not only */ * but not only */
      } }
      ad9516_init(scb_ver, ljd_present); if((ljd_present==1) && (osc_freq!=7))
      ad9516_init(scb_ver, 1);
      else
      ad9516_init(scb_ver, 0);
      rts_init(); rts_init();
      rtipc_init(); rtipc_init();
      spll_very_init(); spll_very_init();
      ......
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