openwrt_lede/package/kernel/ar7-atm/patches-D7.05.01.00/160-module-params.patch

--- a/tn7atm.c
+++ b/tn7atm.c
@@ -95,6 +95,146 @@
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION ("Tnetd73xx ATM Device Driver");
 MODULE_AUTHOR ("Zhicheng Tang");
+
+int mp_sar_ipacemax = -1;
+module_param_named(ipacemax, mp_sar_ipacemax, int, 0);
+MODULE_PARM_DESC(ipacemax, "Interrupt pacing");
+
+char *mp_macc = NULL;
+module_param_named(macc, mp_macc, charp, 0);
+MODULE_PARM_DESC(macc, "MAC address");
+
+int mp_dsp_noboost = -1;
+module_param_named(dsp_noboost, mp_dsp_noboost, int, 0);
+MODULE_PARM_DESC(dsp_noboost, "Suppress DSP frequency boost");
+
+int mp_dsp_freq = -1;
+module_param_named(dsp_freq, mp_dsp_freq, int, 0);
+MODULE_PARM_DESC(dsp_freq, "Frequency to boost the DSP to");
+
+char *mp_featctl0 = NULL;
+module_param_named(featctl0, mp_featctl0, charp, 0);
+MODULE_PARM_DESC(featctl0, "DSL feature control 0");
+
+char *mp_featctl1 = NULL;
+module_param_named(featctl1, mp_featctl1, charp, 0);
+MODULE_PARM_DESC(featctl1, "DSL feature control 1");
+
+char *mp_phyctl0 = NULL;
+module_param_named(phyctl0, mp_phyctl0, charp, 0);
+MODULE_PARM_DESC(phyctl0, "DSL PHY control 0");
+
+char *mp_phyctl1 = NULL;
+module_param_named(phyctl1, mp_phyctl1, charp, 0);
+MODULE_PARM_DESC(phyctl1, "DSL PHY control 1");
+
+int mp_turbodsl = -1;
+module_param_named(turbodsl, mp_turbodsl, int, 0);
+MODULE_PARM_DESC(turbodsl, "Enable TurboDSL");
+
+int mp_sar_rxbuf = -1;
+module_param_named(sar_rxbuf, mp_sar_rxbuf, int, 0);
+MODULE_PARM_DESC(sar_rxbuf, "SAR RxBuf size");
+
+int mp_sar_rxmax = -1;
+module_param_named(sar_rxmax, mp_sar_rxmax, int, 0);
+MODULE_PARM_DESC(sar_rxmax, "SAR RxMax size");
+
+int mp_sar_txbuf = -1;
+module_param_named(sar_txbuf, mp_sar_txbuf, int, 0);
+MODULE_PARM_DESC(sar_txbuf, "SAR TxBuf size");
+
+int mp_sar_txmax = -1;
+module_param_named(sar_txmax, mp_sar_txmax, int, 0);
+MODULE_PARM_DESC(sar_txmax, "SAR TxMax size");
+
+char *mp_modulation = NULL;
+module_param_named(modulation, mp_modulation, charp, 0);
+MODULE_PARM_DESC(modulation, "Modulation");
+
+int mp_fine_gain_control = -1;
+module_param_named(fine_gain_control, mp_fine_gain_control, int, 0);
+MODULE_PARM_DESC(fine_gain_control, "Fine gain control");
+
+int mp_fine_gain_value = -1;
+module_param_named(fine_gain_value, mp_fine_gain_value, int, 0);
+MODULE_PARM_DESC(fine_gain_value, "Fine gain value");
+
+int mp_enable_margin_retrain = -1;
+module_param_named(enable_margin_retrain, mp_enable_margin_retrain, int, 0);
+MODULE_PARM_DESC(enable_margin_retrain, "Enable margin retrain");
+
+int mp_margin_threshold = -1;
+module_param_named(margin_threshold, mp_margin_threshold, int, 0);
+MODULE_PARM_DESC(margin_threshold, "Margin retrain treshold");
+
+int mp_enable_rate_adapt = -1;
+module_param_named(enable_rate_adapt, mp_enable_rate_adapt, int, 0);
+MODULE_PARM_DESC(enable_rate_adapt, "Enable rate adaption");
+
+int mp_powercutback = -1;
+module_param_named(powercutback, mp_powercutback, int, 0);
+MODULE_PARM_DESC(powercutback, "Enable / disable powercutback");
+
+int mp_trellis = -1;
+module_param_named(trellis, mp_trellis, int, 0);
+MODULE_PARM_DESC(trellis, "Enable / disable trellis coding");
+
+int mp_bitswap = -1;
+module_param_named(bitswap, mp_bitswap, int, 0);
+MODULE_PARM_DESC(bitswap, "Enable / disable bitswap");
+
+int mp_maximum_bits_per_carrier = -1;
+module_param_named(maximum_bits_per_carrier, mp_maximum_bits_per_carrier, int, 0);
+MODULE_PARM_DESC(maximum_bits_per_carrier, "Maximum bits per carrier");
+
+int mp_maximum_interleave_depth = -1;
+module_param_named(maximum_interleave_depth, mp_maximum_interleave_depth, int, 0);
+MODULE_PARM_DESC(maximum_interleave_depth, "Maximum interleave depth");
+
+int mp_pair_selection = -1;
+module_param_named(pair_selection, mp_pair_selection, int, 0);
+MODULE_PARM_DESC(pair_selection, "Pair selection");
+
+int mp_dgas_polarity = -1;
+module_param_named(dgas_polarity, mp_dgas_polarity, int, 0);
+MODULE_PARM_DESC(dgas_polarity, "DGAS polarity");
+
+int mp_los_alarm = -1;
+module_param_named(los_alarm, mp_los_alarm, int, 0);
+MODULE_PARM_DESC(los_alarm, "LOS alarm");
+
+char *mp_eoc_vendor_id = NULL;
+module_param_named(eoc_vendor_id, mp_eoc_vendor_id, charp, 0);
+MODULE_PARM_DESC(eoc_vendor_id, "EOC vendor id");
+
+int mp_eoc_vendor_revision = -1;
+module_param_named(eoc_vendor_revision, mp_eoc_vendor_revision, int, 0);
+MODULE_PARM_DESC(eoc_vendor_revision, "EOC vendor revision");
+
+char *mp_eoc_vendor_serialnum = NULL;
+module_param_named(eoc_vendor_serialnum, mp_eoc_vendor_serialnum, charp, 0);
+MODULE_PARM_DESC(eoc_vendor_serialnum, "EOC vendor serial number");
+
+char *mp_invntry_vernum = NULL;
+module_param_named(invntry_vernum, mp_invntry_vernum, charp, 0);
+MODULE_PARM_DESC(invntry_vernum, "Inventory revision number");
+
+int mp_dsl_bit_tmode = -1;
+module_param_named(dsl_bit_tmode, mp_dsl_bit_tmode, int, 0);
+MODULE_PARM_DESC(dsl_bit_tmode, "DSL bit training mode");
+
+int mp_high_precision = -1;
+module_param_named(high_precision, mp_high_precision, int, 0);
+MODULE_PARM_DESC(high_precision, "High precision");
+
+int mp_autopvc_enable = -1;
+module_param_named(autopvc_enable, mp_autopvc_enable, int, 0);
+MODULE_PARM_DESC(autopvc_enable, "Enable / disable automatic PVC");
+
+int mp_oam_lb_timeout = -1;
+module_param_named(oam_lb_timeout, mp_oam_lb_timeout, int, 0);
+MODULE_PARM_DESC(oam_lb_timeout, "OAM LB timeout");
 #endif
 
 #ifndef TRUE
@@ -728,9 +868,9 @@ static int __init tn7atm_irq_request (st
    * interrupt pacing
    */
   ptr = prom_getenv ("sar_ipacemax");
-  if (ptr)
+  if (ptr || mp_sar_ipacemax != -1)
   {
-    def_sar_inter_pace = os_atoi (ptr);
+    def_sar_inter_pace = mp_sar_ipacemax == -1 ? os_atoi (ptr) : mp_sar_ipacemax;
   }
   /* avalanche_request_pacing (priv->sar_irq, ATM_SAR_INT_PACING_BLOCK_NUM,
                             def_sar_inter_pace); */
@@ -878,9 +1018,18 @@ static int __init tn7atm_get_ESI (struct
 {
   int i;
   char esi_addr[ESI_LEN] = { 0x00, 0x00, 0x11, 0x22, 0x33, 0x44 };
-  char *esiaddr_str = NULL;
+  char *esiaddr_str = mp_macc;
 
-  esiaddr_str = prom_getenv ("macc");
+  if (esiaddr_str == NULL)
+    esiaddr_str = prom_getenv ("macdsl");
+  if (esiaddr_str == NULL)
+    esiaddr_str = prom_getenv ("macc");
+  if (esiaddr_str == NULL)
+    esiaddr_str = prom_getenv ("HWA_1");
+  if (esiaddr_str == NULL)
+    esiaddr_str = prom_getenv ("macb");
+  if (esiaddr_str == NULL)
+    esiaddr_str = prom_getenv ("maca");
 
   if (!esiaddr_str)
   {
@@ -2139,15 +2288,15 @@ static int tn7atm_autoDetectDspBoost (vo
 //UR8_MERGE_END   CQ10450*
 
   cp = prom_getenv ("dsp_noboost");
-  if (cp)
+  if (cp || mp_dsp_noboost != -1)
   {
-    dsp_noboost = os_atoi (cp);
+    dsp_noboost = mp_dsp_noboost == -1 ? os_atoi (cp) : mp_dsp_noboost;
   }
 
   cp = (char *) prom_getenv ("dsp_freq");
-  if (cp)
+  if (cp || mp_dsp_freq != -1)
   {
-    dspfreq = os_atoi (cp);
+    dspfreq = mp_dsp_freq == -1 ? os_atoi (cp) : mp_dsp_freq;
     if (dspfreq == 250)
     {
       boostDsp = 1;
@@ -2396,15 +2545,17 @@ static int __init tn7atm_init (struct at
   // Inter-Op DSL phy Control
   // Note the setting of _dsl_Feature_0 and _dsl_Feature_1 must before
   // dslhal_api_dslStartup (in tn7dsl_init()).
-  if ((ptr = prom_getenv ("DSL_FEATURE_CNTL_0")) != NULL)
+  if ((ptr = prom_getenv ("DSL_FEATURE_CNTL_0")) != NULL || mp_featctl0 != NULL)
   {
-    _dsl_Feature_0 = os_atoih (ptr);
+    if (mp_featctl0 != NULL) ptr = mp_featctl0;
+    _dsl_Feature_0 = os_atoh (ptr);
     _dsl_Feature_0_defined = 1;
   }
 
-  if ((ptr = prom_getenv ("DSL_FEATURE_CNTL_1")) != NULL)
+  if ((ptr = prom_getenv ("DSL_FEATURE_CNTL_1")) != NULL || mp_featctl1 != NULL)
   {
-    _dsl_Feature_1 = os_atoih (ptr);
+    if (mp_featctl1 != NULL) ptr = mp_featctl1;
+    _dsl_Feature_1 = os_atoh (ptr);
     _dsl_Feature_1_defined = 1;
   }
 
@@ -2412,15 +2563,17 @@ static int __init tn7atm_init (struct at
   // DSL phy Feature Control
   // Note the setting of _dsl_PhyControl_0 and _dsl_PhyControl_1 must before
   // dslhal_api_dslStartup (in tn7dsl_init()).
-  if ((ptr = prom_getenv ("DSL_PHY_CNTL_0")) != NULL)
+  if ((ptr = prom_getenv ("DSL_PHY_CNTL_0")) != NULL || mp_phyctl0 != NULL)
   {
-    _dsl_PhyControl_0 = os_atoih (ptr);
+    if (mp_phyctl0 != NULL) ptr = mp_phyctl0;
+    _dsl_PhyControl_0 = os_atoh (ptr);
     _dsl_PhyControl_0_defined = 1;
   }
 
-  if ((ptr = prom_getenv ("DSL_PHY_CNTL_1")) != NULL)
+  if ((ptr = prom_getenv ("DSL_PHY_CNTL_1")) != NULL || mp_phyctl1 != NULL)
   {
-    _dsl_PhyControl_1 = os_atoih (ptr);
+    if (mp_phyctl1 != NULL) ptr = mp_phyctl1;
+    _dsl_PhyControl_1 = os_atoh (ptr);
     _dsl_PhyControl_1_defined = 1;
   }
 
@@ -2440,12 +2593,12 @@ static int __init tn7atm_init (struct at
   // read config for turbo dsl
    
   ptr = prom_getenv ("TurboDSL");
-  if (ptr)
+  if (ptr || mp_turbodsl != -1)
   {
     #if 1 //[KT]
     bTurboDsl = os_atoi (ptr);
     #else
-    priv->bTurboDsl = os_atoi (ptr);
+    priv->bTurboDsl = mp_turbodsl == -1 ? os_atoi (ptr) : mp_turbodsl;
     #endif
   }
    else
@@ -2459,33 +2612,33 @@ static int __init tn7atm_init (struct at
   priv->sarRxBuf = RX_BUFFER_NUM;
   ptr = NULL;
   ptr = prom_getenv ("SarRxBuf");
-  if (ptr)
+  if (ptr || mp_sar_rxbuf != -1)
   {
-    priv->sarRxBuf = os_atoi (ptr);
+    priv->sarRxBuf = mp_sar_rxbuf == -1 ? os_atoi (ptr) : mp_sar_rxbuf;
   }
 
   priv->sarRxMax = RX_SERVICE_MAX;
   ptr = NULL;
   ptr = prom_getenv ("SarRxMax");
-  if (ptr)
+  if (ptr || mp_sar_rxmax != -1)
   {
-    priv->sarRxMax = os_atoi (ptr);
+    priv->sarRxMax = mp_sar_rxmax == -1 ? os_atoi (ptr) : mp_sar_rxmax;
   }
 
   priv->sarTxBuf = TX_BUFFER_NUM;
   ptr = NULL;
   ptr = prom_getenv ("SarTxBuf");
-  if (ptr)
+  if (ptr || mp_sar_txbuf != -1)
   {
-    priv->sarTxBuf = os_atoi (ptr);
+    priv->sarTxBuf = mp_sar_txbuf == -1 ? os_atoi (ptr) : mp_sar_txbuf;
   }
 
   priv->sarTxMax = TX_SERVICE_MAX;
   ptr = NULL;
   ptr = prom_getenv ("SarTxMax");
-  if (ptr)
+  if (ptr || mp_sar_txmax != -1)
   {
-    priv->sarTxMax = os_atoi (ptr);
+    priv->sarTxMax = mp_sar_txmax == -1 ? os_atoi (ptr) : mp_sar_txmax;
   }
 
 #ifdef AR7_EFM
--- a/tn7dsl.c
+++ b/tn7dsl.c
@@ -148,6 +148,27 @@
 #define NEW_TRAINING_VAL_T1413  128
 #define NEW_TRAINING_VAL_MMODE  255
 
+extern char *mp_modulation;
+extern int mp_fine_gain_control;
+extern int mp_fine_gain_value;
+extern int mp_enable_margin_retrain;
+extern int mp_margin_threshold;
+extern int mp_enable_rate_adapt;
+extern int mp_powercutback;
+extern int mp_trellis;
+extern int mp_bitswap;
+extern int mp_maximum_bits_per_carrier;
+extern int mp_maximum_interleave_depth;
+extern int mp_pair_selection;
+extern int mp_dgas_polarity;
+extern int mp_los_alarm;
+extern char *mp_eoc_vendor_id;
+extern int mp_eoc_vendor_revision;
+extern char *mp_eoc_vendor_serialnum;
+extern char *mp_invntry_vernum;
+extern int mp_dsl_bit_tmode;
+extern int mp_high_precision;
+
 int testflag1 = 0;
 extern int  __guDbgLevel;
 extern sar_stat_t sarStat;
@@ -2933,24 +2954,24 @@ static int tn7dsl_set_dsl(void)
                                 (unsigned char *) &oamFeature, 4);
 	
   ptr = prom_getenv("DSL_FEATURE_CNTL_0"); 
-  if(!ptr)
-    prom_setenv("DSL_FEATURE_CNTL_0", "0x00004000");
+  //if(!ptr)
+    //prom_setenv("DSL_FEATURE_CNTL_0", "0x00004000");
 
   ptr = prom_getenv("DSL_FEATURE_CNTL_1"); 
-  if(!ptr)   
-	prom_setenv("DSL_FEATURE_CNTL_1", "0x00000000");
+  //if(!ptr)   
+	//prom_setenv("DSL_FEATURE_CNTL_1", "0x00000000");
 
   ptr = prom_getenv("DSL_PHY_CNTL_0"); 
-  if(!ptr)   
-	prom_setenv("DSL_PHY_CNTL_0", "0x00000400");
+  //if(!ptr)   
+	//prom_setenv("DSL_PHY_CNTL_0", "0x00000400");
 	
   ptr = prom_getenv("enable_margin_retrain"); 
-  if(!ptr)   
-	prom_setenv("enable_margin_retrain", "0");
+  //if(!ptr)   
+	//prom_setenv("enable_margin_retrain", "0");
 	
   ptr = prom_getenv("modulation");
-  if(!ptr)
-    prom_setenv("modulation", "0xbf");
+  //if(!ptr)
+    //prom_setenv("modulation", "0xbf");
   
 #define EOC_VENDOR_ID "4200534153000000"
 #define EOC_VENDOR_REVISION "FW370090708b1_55"
@@ -2959,25 +2980,25 @@ static int tn7dsl_set_dsl(void)
   ptr = prom_getenv("eoc_vendor_id");
   if(!ptr || strcmp(ptr,EOC_VENDOR_ID) != 0 || strlen(ptr) != strlen(EOC_VENDOR_ID))
   {
-      if(ptr)      	
-         prom_unsetenv("eoc_vendor_id");
-      prom_setenv("eoc_vendor_id",EOC_VENDOR_ID);
+      //if(ptr)      	
+         //prom_unsetenv("eoc_vendor_id");
+      //prom_setenv("eoc_vendor_id",EOC_VENDOR_ID);
   }
       
   ptr = prom_getenv("eoc_vendor_revision");
   if(!ptr || strcmp(ptr,EOC_VENDOR_REVISION) != 0 || strlen(ptr) != strlen(EOC_VENDOR_REVISION))
   {  
-      if(ptr)      	
-         prom_unsetenv("eoc_vendor_revision");
-      prom_setenv("eoc_vendor_revision",EOC_VENDOR_REVISION);
+      //if(ptr)      	
+         //prom_unsetenv("eoc_vendor_revision");
+      //prom_setenv("eoc_vendor_revision",EOC_VENDOR_REVISION);
   }
       
   ptr = prom_getenv("eoc_vendor_serialnum");
   if(!ptr || strcmp(ptr,EOC_VENDOR_SERIALNUM) != 0 || strlen(ptr) != strlen(EOC_VENDOR_SERIALNUM))
   {
-      if(ptr)      	
-         prom_unsetenv("eoc_vendor_serialnum");
-      prom_setenv("eoc_vendor_serialnum",EOC_VENDOR_SERIALNUM);
+      //if(ptr)      	
+        // prom_unsetenv("eoc_vendor_serialnum");
+      //prom_setenv("eoc_vendor_serialnum",EOC_VENDOR_SERIALNUM);
   }
 
   /* Do only if we are in the new Base PSP 7.4.*/
@@ -2994,92 +3015,88 @@ static int tn7dsl_set_dsl(void)
              we clear the modulation environment variable, as this could potentially
              not have the same meaning in the new mode.
           */
-         prom_unsetenv("modulation");
-         prom_setenv("DSL_UPG_DONE", "1");
+         //prom_unsetenv("modulation");
+         //prom_setenv("DSL_UPG_DONE", "1");
       }
   }
   #endif
 
   // modulation
   ptr = prom_getenv("modulation");
-  if (ptr)
+  if (ptr || mp_modulation != NULL)
   {
-    tn7dsl_set_modulation(ptr, FALSE);
+    tn7dsl_set_modulation(mp_modulation == NULL ? ptr : mp_modulation, FALSE);
   }
 
   // Fine Gains
   ptr = prom_getenv("fine_gain_control");
-  if (ptr)
+  if (ptr || mp_fine_gain_control != -1)
   {
-    value = os_atoi(ptr);
+    value = mp_fine_gain_control == -1 ? os_atoi(ptr) : mp_fine_gain_control;
     tn7dsl_ctrl_fineGain(value);
   }
   ptr = NULL;
   ptr = prom_getenv("fine_gain_value");
-  if(ptr)
-    tn7dsl_set_fineGainValue(os_atoh(ptr));
+  if(ptr || mp_fine_gain_value != -1)
+    tn7dsl_set_fineGainValue(mp_fine_gain_value == -1 ? os_atoh(ptr) : mp_fine_gain_value);
 
   // margin retrain
   ptr = NULL;
   ptr = prom_getenv("enable_margin_retrain");
-  if(ptr)
+  value = mp_enable_margin_retrain == -1 ? (ptr ? os_atoi(ptr) : 0) : mp_enable_margin_retrain;
+
+  if (value == 1)
   {
-    value = os_atoi(ptr);
-    if(value == 1)
+    dslhal_api_setMarginMonitorFlags(pIhw, 0, 1);
+    bMarginRetrainEnable = 1;
+    //printk("enable showtime margin monitor.\n");
+
+    ptr = NULL;
+    ptr = prom_getenv("margin_threshold");
+    value = mp_margin_threshold == -1 ? (ptr ? os_atoi(ptr) : 0) : mp_margin_threshold;
+
+    if(value >= 0)
     {
-      dslhal_api_setMarginMonitorFlags(pIhw, 0, 1);
-      bMarginRetrainEnable = 1;
-      //printk("enable showtime margin monitor.\n");
-      ptr = NULL;
-      ptr = prom_getenv("margin_threshold");
-      if(ptr)
-      {
-        value = os_atoi(ptr);
-        //printk("Set margin threshold to %d x 0.5 db\n",value);
-        if(value >= 0)
-        {
-          dslhal_api_setMarginThreshold(pIhw, value);
-          bMarginThConfig=1;
-        }
-      }
+      dslhal_api_setMarginThreshold(pIhw, value);
+      bMarginThConfig=1;
     }
   }
 
   // rate adapt
   ptr = NULL;
   ptr = prom_getenv("enable_rate_adapt");
-  if(ptr)
+  if(ptr || mp_enable_rate_adapt != -1)
   {
-    dslhal_api_setRateAdaptFlag(pIhw, os_atoi(ptr));
+    dslhal_api_setRateAdaptFlag(pIhw, mp_enable_rate_adapt == -1 ? os_atoi(ptr) : mp_enable_rate_adapt);
   }
 
   // set powercutback
   ptr = NULL;
   ptr = prom_getenv("powercutback");
-  if(ptr)
+  if(ptr || mp_powercutback != -1)
   {
-    dslhal_advcfg_onOffPcb(pIhw, os_atoi(ptr));
+    dslhal_advcfg_onOffPcb(pIhw, mp_powercutback == -1 ? os_atoi(ptr) : mp_powercutback);
   }
 
   // trellis
   ptr = NULL;
   ptr = prom_getenv("trellis");
-  if(ptr)
+  if(ptr || mp_trellis != -1)
   {
-    dslhal_api_setTrellisFlag(pIhw, os_atoi(ptr));
-    trellis = os_atoi(ptr);
+    trellis = mp_trellis == -1 ? os_atoi(ptr) : mp_trellis;
+    dslhal_api_setTrellisFlag(pIhw, trellis);
     //printk("trellis=%d\n");
   }
 
   // bitswap
   ptr = NULL;
   ptr = prom_getenv("bitswap");
-  if(ptr)
+  if(ptr || mp_bitswap != -1)
   {
     int offset[2] = {33, 0};
     unsigned int bitswap;
 
-    bitswap = os_atoi(ptr);
+    bitswap = mp_bitswap == -1 ? os_atoi(ptr) : mp_bitswap;
 
     tn7dsl_generic_read(2, offset);
     dslReg &= dslhal_support_byteSwap32(0xFFFFFF00);
@@ -3097,46 +3114,47 @@ static int tn7dsl_set_dsl(void)
   // maximum bits per carrier
   ptr = NULL;
   ptr = prom_getenv("maximum_bits_per_carrier");
-  if(ptr)
+  if(ptr || mp_maximum_bits_per_carrier != -1)
   {
-    dslhal_api_setMaxBitsPerCarrierUpstream(pIhw, os_atoi(ptr));
+    dslhal_api_setMaxBitsPerCarrierUpstream(pIhw, mp_maximum_bits_per_carrier == -1 ? os_atoi(ptr) : mp_maximum_bits_per_carrier);
   }
 
   // maximum interleave depth
   ptr = NULL;
   ptr = prom_getenv("maximum_interleave_depth");
-  if(ptr)
+  if(ptr || mp_maximum_interleave_depth != -1)
   {
-    dslhal_api_setMaxInterleaverDepth(pIhw, os_atoi(ptr));
+    dslhal_api_setMaxInterleaverDepth(pIhw, mp_maximum_interleave_depth == -1 ? os_atoi(ptr) : mp_maximum_interleave_depth);
   }
 
   // inner and outer pairs
   ptr = NULL;
   ptr = prom_getenv("pair_selection");
-  if(ptr)
+  if(ptr || mp_pair_selection != -1)
   {
-    dslhal_api_selectInnerOuterPair(pIhw, os_atoi(ptr));
+    dslhal_api_selectInnerOuterPair(pIhw, mp_pair_selection == -1 ? os_atoi(ptr) : mp_pair_selection);
   }
 
   ptr = NULL;
   ptr = prom_getenv("dgas_polarity");
-  if(ptr)
+  if(ptr || mp_dgas_polarity != -1)
   {
     dslhal_api_configureDgaspLpr(pIhw, 1, 1);
-    dslhal_api_configureDgaspLpr(pIhw, 0, os_atoi(ptr));
+    dslhal_api_configureDgaspLpr(pIhw, 0, mp_dgas_polarity == -1 ? os_atoi(ptr) : mp_dgas_polarity);
   }
 
   ptr = NULL;
   ptr = prom_getenv("los_alarm");
-  if(ptr)
+  if(ptr || mp_los_alarm != -1)
   {
-    dslhal_api_disableLosAlarm(pIhw, os_atoi(ptr));
+    dslhal_api_disableLosAlarm(pIhw, mp_los_alarm == -1 ? os_atoi(ptr) : mp_los_alarm);
   }
 
   ptr = NULL;
   ptr = prom_getenv("eoc_vendor_id");
-  if(ptr)
+  if(ptr || mp_eoc_vendor_id != NULL)
   {
+    ptr = mp_eoc_vendor_id == NULL ? ptr : mp_eoc_vendor_id;
     for(i=0;i<8;i++)
     {
       tmp[0]=ptr[i*2];
@@ -3161,26 +3179,26 @@ static int tn7dsl_set_dsl(void)
   }
   ptr = NULL;
   ptr = prom_getenv("eoc_vendor_revision");
-  if(ptr)
+  if(ptr || mp_eoc_vendor_revision != -1)
   {
-    value = os_atoi(ptr);
+    value = mp_eoc_vendor_revision == -1 ? os_atoi(ptr) : mp_eoc_vendor_revision;
     //printk("eoc rev=%d\n", os_atoi(ptr));
     dslhal_api_setEocRevisionNumber(pIhw, (char *)&value);
 
   }
   ptr = NULL;
   ptr = prom_getenv("eoc_vendor_serialnum");
-  if(ptr)
+  if(ptr || mp_eoc_vendor_serialnum != NULL)
   {
-    dslhal_api_setEocSerialNumber(pIhw, ptr);
+    dslhal_api_setEocSerialNumber(pIhw, mp_eoc_vendor_serialnum == NULL ? ptr : mp_eoc_vendor_serialnum);
   }
 
   // CQ10037 Added invntry_vernum environment variable to be able to set version number in ADSL2, ADSL2+ modes.
   ptr = NULL;
   ptr = prom_getenv("invntry_vernum");
-  if(ptr)
+  if(ptr || mp_invntry_vernum != NULL)
   {
-    dslhal_api_setEocRevisionNumber(pIhw, ptr);
+    dslhal_api_setEocRevisionNumber(pIhw, mp_invntry_vernum == NULL ? ptr : mp_invntry_vernum);
   }
 
   return 0;
@@ -3225,7 +3243,7 @@ int tn7dsl_init(void *priv)
    * backward compatibility.
    */
   cp = prom_getenv("DSL_BIT_TMODE");
-  if (cp)
+  if (cp || mp_dsl_bit_tmode != -1)
   {
     printk("%s : env var DSL_BIT_TMODE is set\n", __FUNCTION__);
     /*
@@ -3254,9 +3272,9 @@ int tn7dsl_init(void *priv)
 
 //  UR8_MERGE_START CQ11054   Jack Zhang
   cp = prom_getenv("high_precision");
-  if (cp)
+  if (cp || mp_high_precision != -1)
   {
-    high_precision_selected = os_atoi(cp);
+    high_precision_selected = mp_high_precision == -1 ? os_atoi(cp) : mp_high_precision;
   }
   if ( high_precision_selected)
   {
--- a/tn7sar.c
+++ b/tn7sar.c
@@ -76,6 +76,8 @@ typedef void OS_SETUP;
 #include "tn7atm.h"
 #include "tn7api.h"
 
+extern int mp_oam_lb_timeout;
+extern int mp_autopvc_enable;
 
 /* PDSP Firmware files */
 #include "tnetd7300_sar_firm.h"
@@ -932,9 +934,9 @@ int tn7sar_setup_oam_channel(Tn7AtmPriva
   pHalDev  = (HAL_DEVICE *)priv->pSarHalDev;
 
   pauto_pvc = prom_getenv("autopvc_enable");
-  if(pauto_pvc)  //CQ10273
+  if(pauto_pvc || mp_autopvc_enable != -1)  //CQ10273
   {
-    auto_pvc =tn7sar_strtoul(pauto_pvc, NULL, 10);
+    auto_pvc = mp_autopvc_enable == -1 ? tn7sar_strtoul(pauto_pvc, NULL, 10) : mp_autopvc_enable;
   }
 
   memset(&chInfo, 0xff, sizeof(chInfo));
@@ -1133,9 +1135,9 @@ int tn7sar_init(struct atm_dev *dev, Tn7
 
   /* read in oam lb timeout value */
   pLbTimeout = prom_getenv("oam_lb_timeout");
-  if(pLbTimeout)
+  if(pLbTimeout || mp_oam_lb_timeout != -1)
   {
-    lbTimeout =tn7sar_strtoul(pLbTimeout, NULL, 10);
+    lbTimeout = mp_oam_lb_timeout == -1 ? tn7sar_strtoul(pLbTimeout, NULL, 10) : mp_oam_lb_timeout;
     oamLbTimeout = lbTimeout;
     pHalFunc->Control(pHalDev,"OamLbTimeout", "Set", &lbTimeout);
   }