1--- a/tn7atm.c
2+++ b/tn7atm.c
3@@ -87,6 +87,146 @@
4 MODULE_LICENSE("GPL");
5 MODULE_DESCRIPTION ("Tnetd73xx ATM Device Driver");
6 MODULE_AUTHOR ("Zhicheng Tang");
7+
8+int mp_sar_ipacemax = -1;
9+module_param_named(ipacemax, mp_sar_ipacemax, int, 0);
10+MODULE_PARM_DESC(ipacemax, "Interrupt pacing");
11+
12+char *mp_macc = NULL;
13+module_param_named(macc, mp_macc, charp, 0);
14+MODULE_PARM_DESC(macc, "MAC address");
15+
16+int mp_dsp_noboost = -1;
17+module_param_named(dsp_noboost, mp_dsp_noboost, int, 0);
18+MODULE_PARM_DESC(dsp_noboost, "Suppress DSP frequency boost");
19+
20+int mp_dsp_freq = -1;
21+module_param_named(dsp_freq, mp_dsp_freq, int, 0);
22+MODULE_PARM_DESC(dsp_freq, "Frequency to boost the DSP to");
23+
24+char *mp_featctl0 = NULL;
25+module_param_named(featctl0, mp_featctl0, charp, 0);
26+MODULE_PARM_DESC(featctl0, "DSL feature control 0");
27+
28+char *mp_featctl1 = NULL;
29+module_param_named(featctl1, mp_featctl1, charp, 0);
30+MODULE_PARM_DESC(featctl1, "DSL feature control 1");
31+
32+char *mp_phyctl0 = NULL;
33+module_param_named(phyctl0, mp_phyctl0, charp, 0);
34+MODULE_PARM_DESC(phyctl0, "DSL PHY control 0");
35+
36+char *mp_phyctl1 = NULL;
37+module_param_named(phyctl1, mp_phyctl1, charp, 0);
38+MODULE_PARM_DESC(phyctl1, "DSL PHY control 1");
39+
40+int mp_turbodsl = -1;
41+module_param_named(turbodsl, mp_turbodsl, int, 0);
42+MODULE_PARM_DESC(turbodsl, "Enable TurboDSL");
43+
44+int mp_sar_rxbuf = -1;
45+module_param_named(sar_rxbuf, mp_sar_rxbuf, int, 0);
46+MODULE_PARM_DESC(sar_rxbuf, "SAR RxBuf size");
47+
48+int mp_sar_rxmax = -1;
49+module_param_named(sar_rxmax, mp_sar_rxmax, int, 0);
50+MODULE_PARM_DESC(sar_rxmax, "SAR RxMax size");
51+
52+int mp_sar_txbuf = -1;
53+module_param_named(sar_txbuf, mp_sar_txbuf, int, 0);
54+MODULE_PARM_DESC(sar_txbuf, "SAR TxBuf size");
55+
56+int mp_sar_txmax = -1;
57+module_param_named(sar_txmax, mp_sar_txmax, int, 0);
58+MODULE_PARM_DESC(sar_txmax, "SAR TxMax size");
59+
60+char *mp_modulation = NULL;
61+module_param_named(modulation, mp_modulation, charp, 0);
62+MODULE_PARM_DESC(modulation, "Modulation");
63+
64+int mp_fine_gain_control = -1;
65+module_param_named(fine_gain_control, mp_fine_gain_control, int, 0);
66+MODULE_PARM_DESC(fine_gain_control, "Fine gain control");
67+
68+int mp_fine_gain_value = -1;
69+module_param_named(fine_gain_value, mp_fine_gain_value, int, 0);
70+MODULE_PARM_DESC(fine_gain_value, "Fine gain value");
71+
72+int mp_enable_margin_retrain = -1;
73+module_param_named(enable_margin_retrain, mp_enable_margin_retrain, int, 0);
74+MODULE_PARM_DESC(enable_margin_retrain, "Enable margin retrain");
75+
76+int mp_margin_threshold = -1;
77+module_param_named(margin_threshold, mp_margin_threshold, int, 0);
78+MODULE_PARM_DESC(margin_threshold, "Margin retrain treshold");
79+
80+int mp_enable_rate_adapt = -1;
81+module_param_named(enable_rate_adapt, mp_enable_rate_adapt, int, 0);
82+MODULE_PARM_DESC(enable_rate_adapt, "Enable rate adaption");
83+
84+int mp_powercutback = -1;
85+module_param_named(powercutback, mp_powercutback, int, 0);
86+MODULE_PARM_DESC(powercutback, "Enable / disable powercutback");
87+
88+int mp_trellis = -1;
89+module_param_named(trellis, mp_trellis, int, 0);
90+MODULE_PARM_DESC(trellis, "Enable / disable trellis coding");
91+
92+int mp_bitswap = -1;
93+module_param_named(bitswap, mp_bitswap, int, 0);
94+MODULE_PARM_DESC(bitswap, "Enable / disable bitswap");
95+
96+int mp_maximum_bits_per_carrier = -1;
97+module_param_named(maximum_bits_per_carrier, mp_maximum_bits_per_carrier, int, 0);
98+MODULE_PARM_DESC(maximum_bits_per_carrier, "Maximum bits per carrier");
99+
100+int mp_maximum_interleave_depth = -1;
101+module_param_named(maximum_interleave_depth, mp_maximum_interleave_depth, int, 0);
102+MODULE_PARM_DESC(maximum_interleave_depth, "Maximum interleave depth");
103+
104+int mp_pair_selection = -1;
105+module_param_named(pair_selection, mp_pair_selection, int, 0);
106+MODULE_PARM_DESC(pair_selection, "Pair selection");
107+
108+int mp_dgas_polarity = -1;
109+module_param_named(dgas_polarity, mp_dgas_polarity, int, 0);
110+MODULE_PARM_DESC(dgas_polarity, "DGAS polarity");
111+
112+int mp_los_alarm = -1;
113+module_param_named(los_alarm, mp_los_alarm, int, 0);
114+MODULE_PARM_DESC(los_alarm, "LOS alarm");
115+
116+char *mp_eoc_vendor_id = NULL;
117+module_param_named(eoc_vendor_id, mp_eoc_vendor_id, charp, 0);
118+MODULE_PARM_DESC(eoc_vendor_id, "EOC vendor id");
119+
120+int mp_eoc_vendor_revision = -1;
121+module_param_named(eoc_vendor_revision, mp_eoc_vendor_revision, int, 0);
122+MODULE_PARM_DESC(eoc_vendor_revision, "EOC vendor revision");
123+
124+char *mp_eoc_vendor_serialnum = NULL;
125+module_param_named(eoc_vendor_serialnum, mp_eoc_vendor_serialnum, charp, 0);
126+MODULE_PARM_DESC(eoc_vendor_serialnum, "EOC vendor serial number");
127+
128+char *mp_invntry_vernum = NULL;
129+module_param_named(invntry_vernum, mp_invntry_vernum, charp, 0);
130+MODULE_PARM_DESC(invntry_vernum, "Inventory revision number");
131+
132+int mp_dsl_bit_tmode = -1;
133+module_param_named(dsl_bit_tmode, mp_dsl_bit_tmode, int, 0);
134+MODULE_PARM_DESC(dsl_bit_tmode, "DSL bit training mode");
135+
136+int mp_high_precision = -1;
137+module_param_named(high_precision, mp_high_precision, int, 0);
138+MODULE_PARM_DESC(high_precision, "High precision");
139+
140+int mp_autopvc_enable = -1;
141+module_param_named(autopvc_enable, mp_autopvc_enable, int, 0);
142+MODULE_PARM_DESC(autopvc_enable, "Enable / disable automatic PVC");
143+
144+int mp_oam_lb_timeout = -1;
145+module_param_named(oam_lb_timeout, mp_oam_lb_timeout, int, 0);
146+MODULE_PARM_DESC(oam_lb_timeout, "OAM LB timeout");
147 #endif
148 
149 #ifndef TRUE
150@@ -655,9 +795,9 @@ static int __init tn7atm_irq_request (st
151    * interrupt pacing
152    */
153   ptr = prom_getenv ("sar_ipacemax");
154-  if (ptr)
155+  if (ptr || mp_sar_ipacemax != -1)
156   {
157-    def_sar_inter_pace = os_atoi (ptr);
158+    def_sar_inter_pace = mp_sar_ipacemax == -1 ? os_atoi (ptr) : mp_sar_ipacemax;
159   }
160 /*  avalanche_request_pacing (priv->sar_irq, ATM_SAR_INT_PACING_BLOCK_NUM,
161                             def_sar_inter_pace);*/
162@@ -795,9 +935,18 @@ static int __init tn7atm_get_ESI (struct
163 {
164   int i;
165   char esi_addr[ESI_LEN] = { 0x00, 0x00, 0x11, 0x22, 0x33, 0x44 };
166-  char *esiaddr_str = NULL;
167+  char *esiaddr_str = mp_macc;
168 
169-  esiaddr_str = prom_getenv ("maca");
170+  if (esiaddr_str == NULL)
171+    esiaddr_str = prom_getenv ("macdsl");
172+  if (esiaddr_str == NULL)
173+    esiaddr_str = prom_getenv ("macc");
174+  if (esiaddr_str == NULL)
175+    esiaddr_str = prom_getenv ("HWA_1");
176+  if (esiaddr_str == NULL)
177+    esiaddr_str = prom_getenv ("macb");
178+  if (esiaddr_str == NULL)
179+    esiaddr_str = prom_getenv ("maca");
180 
181   if (!esiaddr_str)
182   {
183@@ -1930,15 +2079,15 @@ static int tn7atm_autoDetectDspBoost (vo
184 //UR8_MERGE_END   CQ10450*
185 
186   cp = prom_getenv ("dsp_noboost");
187-  if (cp)
188+  if (cp || mp_dsp_noboost != -1)
189   {
190-    dsp_noboost = os_atoi (cp);
191+    dsp_noboost = mp_dsp_noboost == -1 ? os_atoi (cp) : mp_dsp_noboost;
192   }
193 
194   cp = (char *) prom_getenv ("dsp_freq");
195-  if (cp)
196+  if (cp || mp_dsp_freq != -1)
197   {
198-    dspfreq = os_atoi (cp);
199+    dspfreq = mp_dsp_freq == -1 ? os_atoi (cp) : mp_dsp_freq;
200     if (dspfreq == 250)
201     {
202       boostDsp = 1;
203@@ -2187,8 +2336,9 @@ static int __init tn7atm_init (struct at
204   // Inter-Op DSL phy Control
205   // Note the setting of _dsl_Feature_0 and _dsl_Feature_1 must before
206   // dslhal_api_dslStartup (in tn7dsl_init()).
207-  if ((ptr = prom_getenv ("DSL_FEATURE_CNTL_0")) != NULL)
208+  if ((ptr = prom_getenv ("DSL_FEATURE_CNTL_0")) != NULL || mp_featctl0 != NULL)
209   {
210+    if (mp_featctl0 != NULL) ptr = mp_featctl0;
211     if ((ptr[0] == '0') && (ptr[1] == 'x'))     // skip 0x before pass to
212       // os_atoh
213       ptr += 2;
214@@ -2196,8 +2346,9 @@ static int __init tn7atm_init (struct at
215     _dsl_Feature_0_defined = 1;
216   }
217 
218-  if ((ptr = prom_getenv ("DSL_FEATURE_CNTL_1")) != NULL)
219+  if ((ptr = prom_getenv ("DSL_FEATURE_CNTL_1")) != NULL || mp_featctl1 != NULL)
220   {
221+    if (mp_featctl1 != NULL) ptr = mp_featctl1;
222     if ((ptr[0] == '0') && (ptr[1] == 'x'))     // skip 0x before pass to
223       // os_atoh
224       ptr += 2;
225@@ -2209,8 +2360,9 @@ static int __init tn7atm_init (struct at
226   // DSL phy Feature Control
227   // Note the setting of _dsl_PhyControl_0 and _dsl_PhyControl_1 must before
228   // dslhal_api_dslStartup (in tn7dsl_init()).
229-  if ((ptr = prom_getenv ("DSL_PHY_CNTL_0")) != NULL)
230+  if ((ptr = prom_getenv ("DSL_PHY_CNTL_0")) != NULL || mp_phyctl0 != NULL)
231   {
232+    if (mp_phyctl0 != NULL) ptr = mp_phyctl0;
233     if ((ptr[0] == '0') && (ptr[1] == 'x'))     // skip 0x before pass to
234       // os_atoh
235       ptr += 2;
236@@ -2218,8 +2370,9 @@ static int __init tn7atm_init (struct at
237     _dsl_PhyControl_0_defined = 1;
238   }
239 
240-  if ((ptr = prom_getenv ("DSL_PHY_CNTL_1")) != NULL)
241+  if ((ptr = prom_getenv ("DSL_PHY_CNTL_1")) != NULL || mp_phyctl1 != NULL)
242   {
243+    if (mp_phyctl1 != NULL) ptr = mp_phyctl1;
244     if ((ptr[0] == '0') && (ptr[1] == 'x'))     // skip 0x before pass to
245       // os_atoh
246       ptr += 2;
247@@ -2247,9 +2400,9 @@ static int __init tn7atm_init (struct at
248   priv->bTurboDsl = 1;
249   // read config for turbo dsl
250   ptr = prom_getenv ("TurboDSL");
251-  if (ptr)
252+  if (ptr || mp_turbodsl != -1)
253   {
254-    priv->bTurboDsl = os_atoi (ptr);
255+    priv->bTurboDsl = mp_turbodsl == -1 ? os_atoi (ptr) : mp_turbodsl;
256   }
257 
258   // @Added to make Rx buffer number & Service max configurable through
259@@ -2257,30 +2410,30 @@ static int __init tn7atm_init (struct at
260   priv->sarRxBuf = RX_BUFFER_NUM;
261   ptr = NULL;
262   ptr = prom_getenv ("SarRxBuf");
263-  if (ptr)
264+  if (ptr || mp_sar_rxbuf != -1)
265   {
266-    priv->sarRxBuf = os_atoi (ptr);
267+    priv->sarRxBuf = mp_sar_rxbuf == -1 ? os_atoi (ptr) : mp_sar_rxbuf;
268   }
269   priv->sarRxMax = RX_SERVICE_MAX;
270   ptr = NULL;
271   ptr = prom_getenv ("SarRxMax");
272-  if (ptr)
273+  if (ptr || mp_sar_rxmax != -1)
274   {
275-    priv->sarRxMax = os_atoi (ptr);
276+    priv->sarRxMax = mp_sar_rxmax == -1 ? os_atoi (ptr) : mp_sar_rxmax;
277   }
278   priv->sarTxBuf = TX_BUFFER_NUM;
279   ptr = NULL;
280   ptr = prom_getenv ("SarTxBuf");
281-  if (ptr)
282+  if (ptr || mp_sar_txbuf != -1)
283   {
284-    priv->sarTxBuf = os_atoi (ptr);
285+    priv->sarTxBuf = mp_sar_txbuf == -1 ? os_atoi (ptr) : mp_sar_txbuf;
286   }
287   priv->sarTxMax = TX_SERVICE_MAX;
288   ptr = NULL;
289   ptr = prom_getenv ("SarTxMax");
290-  if (ptr)
291+  if (ptr || mp_sar_txmax != -1)
292   {
293-    priv->sarTxMax = os_atoi (ptr);
294+    priv->sarTxMax = mp_sar_txmax == -1 ? os_atoi (ptr) : mp_sar_txmax;
295   }
296 
297   return 0;
298--- a/tn7dsl.c
299+++ b/tn7dsl.c
300@@ -136,6 +136,27 @@
301 #define NEW_TRAINING_VAL_T1413  128
302 #define NEW_TRAINING_VAL_MMODE  255
303 
304+extern char *mp_modulation;
305+extern int mp_fine_gain_control;
306+extern int mp_fine_gain_value;
307+extern int mp_enable_margin_retrain;
308+extern int mp_margin_threshold;
309+extern int mp_enable_rate_adapt;
310+extern int mp_powercutback;
311+extern int mp_trellis;
312+extern int mp_bitswap;
313+extern int mp_maximum_bits_per_carrier;
314+extern int mp_maximum_interleave_depth;
315+extern int mp_pair_selection;
316+extern int mp_dgas_polarity;
317+extern int mp_los_alarm;
318+extern char *mp_eoc_vendor_id;
319+extern int mp_eoc_vendor_revision;
320+extern char *mp_eoc_vendor_serialnum;
321+extern char *mp_invntry_vernum;
322+extern int mp_dsl_bit_tmode;
323+extern int mp_high_precision;
324+
325 int testflag1 = 0;
326 extern int  __guDbgLevel;
327 extern sar_stat_t sarStat;
328@@ -2818,84 +2839,80 @@ static int tn7dsl_set_dsl(void)
329 
330   // modulation
331   ptr = prom_getenv("modulation");
332-  if (ptr)
333+  if (ptr || mp_modulation != NULL)
334   {
335-    tn7dsl_set_modulation(ptr, FALSE);
336+    tn7dsl_set_modulation(mp_modulation == NULL ? ptr : mp_modulation, FALSE);
337   }
338 
339   // Fine Gains
340   ptr = prom_getenv("fine_gain_control");
341-  if (ptr)
342+  if (ptr || mp_fine_gain_control != -1)
343   {
344-    value = os_atoi(ptr);
345+    value = mp_fine_gain_control == -1 ? os_atoi(ptr) : mp_fine_gain_control;
346     tn7dsl_ctrl_fineGain(value);
347   }
348   ptr = NULL;
349   ptr = prom_getenv("fine_gain_value");
350-  if(ptr)
351-    tn7dsl_set_fineGainValue(os_atoh(ptr));
352+  if(ptr || mp_fine_gain_value != -1)
353+    tn7dsl_set_fineGainValue(mp_fine_gain_value == -1 ? os_atoh(ptr) : mp_fine_gain_value);
354 
355   // margin retrain
356   ptr = NULL;
357   ptr = prom_getenv("enable_margin_retrain");
358-  if(ptr)
359+  value = mp_enable_margin_retrain == -1 ? (ptr ? os_atoi(ptr) : 0) : mp_enable_margin_retrain;
360+
361+  if (value == 1)
362   {
363-    value = os_atoi(ptr);
364-    if(value == 1)
365+    dslhal_api_setMarginMonitorFlags(pIhw, 0, 1);
366+    bMarginRetrainEnable = 1;
367+    //printk("enable showtime margin monitor.\n");
368+
369+    ptr = NULL;
370+    ptr = prom_getenv("margin_threshold");
371+    value = mp_margin_threshold == -1 ? (ptr ? os_atoi(ptr) : 0) : mp_margin_threshold;
372+
373+    if(value >= 0)
374     {
375-      dslhal_api_setMarginMonitorFlags(pIhw, 0, 1);
376-      bMarginRetrainEnable = 1;
377-      //printk("enable showtime margin monitor.\n");
378-      ptr = NULL;
379-      ptr = prom_getenv("margin_threshold");
380-      if(ptr)
381-      {
382-        value = os_atoi(ptr);
383-        //printk("Set margin threshold to %d x 0.5 db\n",value);
384-        if(value >= 0)
385-        {
386-          dslhal_api_setMarginThreshold(pIhw, value);
387-          bMarginThConfig=1;
388-        }
389-      }
390+      dslhal_api_setMarginThreshold(pIhw, value);
391+      bMarginThConfig=1;
392     }
393   }
394 
395   // rate adapt
396   ptr = NULL;
397   ptr = prom_getenv("enable_rate_adapt");
398-  if(ptr)
399+  if(ptr || mp_enable_rate_adapt != -1)
400   {
401-    dslhal_api_setRateAdaptFlag(pIhw, os_atoi(ptr));
402+    dslhal_api_setRateAdaptFlag(pIhw, mp_enable_rate_adapt == -1 ? os_atoi(ptr) : mp_enable_rate_adapt);
403   }
404 
405   // set powercutback
406   ptr = NULL;
407   ptr = prom_getenv("powercutback");
408-  if(ptr)
409+  if(ptr || mp_powercutback != -1)
410   {
411-    dslhal_advcfg_onOffPcb(pIhw, os_atoi(ptr));
412+    dslhal_advcfg_onOffPcb(pIhw, mp_powercutback == -1 ? os_atoi(ptr) : mp_powercutback);
413   }
414 
415   // trellis
416   ptr = NULL;
417   ptr = prom_getenv("trellis");
418-  if(ptr)
419+  if(ptr || mp_trellis != -1)
420   {
421-    dslhal_api_setTrellisFlag(pIhw, os_atoi(ptr));
422-    trellis = os_atoi(ptr);
423+    trellis = mp_trellis == -1 ? os_atoi(ptr) : mp_trellis;
424+    dslhal_api_setTrellisFlag(pIhw, trellis);
425     //printk("trellis=%d\n");
426   }
427 
428   // bitswap
429   ptr = NULL;
430   ptr = prom_getenv("bitswap");
431-  if(ptr)
432+  if(ptr || mp_bitswap != -1)
433   {
434     int offset[2] = {33, 0};
435     unsigned int bitswap;
436 
437-    bitswap = os_atoi(ptr);
438+    bitswap = mp_bitswap == -1 ? os_atoi(ptr) : mp_bitswap;
439 
440     tn7dsl_generic_read(2, offset);
441     dslReg &= dslhal_support_byteSwap32(0xFFFFFF00);
442@@ -2913,46 +2930,47 @@ static int tn7dsl_set_dsl(void)
443   // maximum bits per carrier
444   ptr = NULL;
445   ptr = prom_getenv("maximum_bits_per_carrier");
446-  if(ptr)
447+  if(ptr || mp_maximum_bits_per_carrier != -1)
448   {
449-    dslhal_api_setMaxBitsPerCarrierUpstream(pIhw, os_atoi(ptr));
450+    dslhal_api_setMaxBitsPerCarrierUpstream(pIhw, mp_maximum_bits_per_carrier == -1 ? os_atoi(ptr) : mp_maximum_bits_per_carrier);
451   }
452 
453   // maximum interleave depth
454   ptr = NULL;
455   ptr = prom_getenv("maximum_interleave_depth");
456-  if(ptr)
457+  if(ptr || mp_maximum_interleave_depth != -1)
458   {
459-    dslhal_api_setMaxInterleaverDepth(pIhw, os_atoi(ptr));
460+    dslhal_api_setMaxInterleaverDepth(pIhw, mp_maximum_interleave_depth == -1 ? os_atoi(ptr) : mp_maximum_interleave_depth);
461   }
462 
463   // inner and outer pairs
464   ptr = NULL;
465   ptr = prom_getenv("pair_selection");
466-  if(ptr)
467+  if(ptr || mp_pair_selection != -1)
468   {
469-    dslhal_api_selectInnerOuterPair(pIhw, os_atoi(ptr));
470+    dslhal_api_selectInnerOuterPair(pIhw, mp_pair_selection == -1 ? os_atoi(ptr) : mp_pair_selection);
471   }
472 
473   ptr = NULL;
474   ptr = prom_getenv("dgas_polarity");
475-  if(ptr)
476+  if(ptr || mp_dgas_polarity != -1)
477   {
478     dslhal_api_configureDgaspLpr(pIhw, 1, 1);
479-    dslhal_api_configureDgaspLpr(pIhw, 0, os_atoi(ptr));
480+    dslhal_api_configureDgaspLpr(pIhw, 0, mp_dgas_polarity == -1 ? os_atoi(ptr) : mp_dgas_polarity);
481   }
482 
483   ptr = NULL;
484   ptr = prom_getenv("los_alarm");
485-  if(ptr)
486+  if(ptr || mp_los_alarm != -1)
487   {
488-    dslhal_api_disableLosAlarm(pIhw, os_atoi(ptr));
489+    dslhal_api_disableLosAlarm(pIhw, mp_los_alarm == -1 ? os_atoi(ptr) : mp_los_alarm);
490   }
491 
492   ptr = NULL;
493   ptr = prom_getenv("eoc_vendor_id");
494-  if(ptr)
495+  if(ptr || mp_eoc_vendor_id != NULL)
496   {
497+    ptr = mp_eoc_vendor_id == NULL ? ptr : mp_eoc_vendor_id;
498     for(i=0;i<8;i++)
499     {
500       tmp[0]=ptr[i*2];
501@@ -2977,26 +2995,26 @@ static int tn7dsl_set_dsl(void)
502   }
503   ptr = NULL;
504   ptr = prom_getenv("eoc_vendor_revision");
505-  if(ptr)
506+  if(ptr || mp_eoc_vendor_revision != -1)
507   {
508-    value = os_atoi(ptr);
509+    value = mp_eoc_vendor_revision == -1 ? os_atoi(ptr) : mp_eoc_vendor_revision;
510     //printk("eoc rev=%d\n", os_atoi(ptr));
511     dslhal_api_setEocRevisionNumber(pIhw, (char *)&value);
512 
513   }
514   ptr = NULL;
515   ptr = prom_getenv("eoc_vendor_serialnum");
516-  if(ptr)
517+  if(ptr || mp_eoc_vendor_serialnum != NULL)
518   {
519-    dslhal_api_setEocSerialNumber(pIhw, ptr);
520+    dslhal_api_setEocSerialNumber(pIhw, mp_eoc_vendor_serialnum == NULL ? ptr : mp_eoc_vendor_serialnum);
521   }  
522   
523   // CQ10037 Added invntry_vernum environment variable to be able to set version number in ADSL2, ADSL2+ modes.  
524   ptr = NULL;
525   ptr = prom_getenv("invntry_vernum");
526-  if(ptr)
527+  if(ptr || mp_invntry_vernum != NULL)
528   {
529-    dslhal_api_setEocRevisionNumber(pIhw, ptr);
530+    dslhal_api_setEocRevisionNumber(pIhw, mp_invntry_vernum == NULL ? ptr : mp_invntry_vernum);
531   }
532 
533   return 0;
534@@ -3041,7 +3059,7 @@ int tn7dsl_init(void *priv)
535    * backward compatibility.
536    */
537   cp = prom_getenv("DSL_BIT_TMODE");
538-  if (cp)
539+  if (cp || mp_dsl_bit_tmode != -1)
540   {
541     printk("%s : env var DSL_BIT_TMODE is set\n", __FUNCTION__);
542     /*
543@@ -3070,9 +3088,9 @@ int tn7dsl_init(void *priv)
544 
545 //  UR8_MERGE_START CQ11054   Jack Zhang
546   cp = prom_getenv("high_precision");
547-  if (cp)
548+  if (cp || mp_high_precision != -1)
549   {
550-    high_precision_selected = os_atoi(cp);
551+    high_precision_selected = mp_high_precision == -1 ? os_atoi(cp) : mp_high_precision;
552   }
553   if ( high_precision_selected)
554   {
555--- a/tn7sar.c
556+++ b/tn7sar.c
557@@ -74,6 +74,8 @@ typedef void OS_SETUP;
558 /* PDSP Firmware files */
559 #include "tnetd7300_sar_firm.h"
560 
561+extern int mp_oam_lb_timeout;
562+extern int mp_autopvc_enable;
563 
564 enum
565 {
566@@ -817,9 +819,9 @@ int tn7sar_setup_oam_channel(Tn7AtmPriva
567   pHalDev  = (HAL_DEVICE *)priv->pSarHalDev;
568 
569   pauto_pvc = prom_getenv("autopvc_enable");
570-  if(pauto_pvc)  //CQ10273
571+  if(pauto_pvc || mp_autopvc_enable != -1)  //CQ10273
572   {
573-    auto_pvc =tn7sar_strtoul(pauto_pvc, NULL, 10);
574+    auto_pvc = mp_autopvc_enable == -1 ? tn7sar_strtoul(pauto_pvc, NULL, 10) : mp_autopvc_enable;
575   }
576 
577   memset(&chInfo, 0xff, sizeof(chInfo));
578@@ -985,9 +987,9 @@ int tn7sar_init(struct atm_dev *dev, Tn7
579 
580   /* read in oam lb timeout value */
581   pLbTimeout = prom_getenv("oam_lb_timeout");
582-  if(pLbTimeout)
583+  if(pLbTimeout || mp_oam_lb_timeout != -1)
584   {
585-    lbTimeout =tn7sar_strtoul(pLbTimeout, NULL, 10);
586+    lbTimeout = mp_oam_lb_timeout == -1 ? tn7sar_strtoul(pLbTimeout, NULL, 10) : mp_oam_lb_timeout;
587     oamLbTimeout = lbTimeout;
588     pHalFunc->Control(pHalDev,"OamLbTimeout", "Set", &lbTimeout);
589   }
590