remove legacy reset line support (#19770)

old-commit-hash: 8c31ab3cee

selfdrive/boardd/panda.cc

@@ -10,30 +10,19 @@
 #include "messaging.hpp"
 #include "panda.h"
 
-#ifdef QCOM2
-bool is_legacy_panda_reset() {
-  FILE *file = fopen("/persist/LEGACY_PANDA_RESET", "r");
-  if(file) {
-    fclose(file);
-  }
-  return (file != NULL);
-}
-#endif
-
 void panda_set_power(bool power){
 #ifdef QCOM2
   int err = 0;
-  bool is_legacy = is_legacy_panda_reset();
 
   err += gpio_init(GPIO_STM_RST_N, true);
   err += gpio_init(GPIO_STM_BOOT0, true);
 
-  err += gpio_set(GPIO_STM_RST_N, is_legacy ? false : true);
+  err += gpio_set(GPIO_STM_RST_N, true);
   err += gpio_set(GPIO_STM_BOOT0, false);
 
   util::sleep_for(100); // 100 ms
 
-  err += gpio_set(GPIO_STM_RST_N, is_legacy ? power : (!power));
+  err += gpio_set(GPIO_STM_RST_N, !power);
   assert(err == 0);
 #endif
 }

selfdrive/pandad.py

@@ -10,9 +10,6 @@ from selfdrive.hardware import TICI
 from selfdrive.hardware.tici.pins import GPIO_HUB_RST_N, GPIO_STM_BOOT0, GPIO_STM_RST_N
 from selfdrive.swaglog import cloudlog
 
-def is_legacy_panda_reset():
-  return os.path.isfile("/persist/LEGACY_PANDA_RESET")
-
 def set_panda_power(power=True):
   if not TICI:
     return
@@ -20,12 +17,12 @@ def set_panda_power(power=True):
   gpio_init(GPIO_STM_RST_N, True)
   gpio_init(GPIO_STM_BOOT0, True)
 
-  gpio_set(GPIO_STM_RST_N, False if is_legacy_panda_reset() else True)
+  gpio_set(GPIO_STM_RST_N, True)
   gpio_set(GPIO_HUB_RST_N, True)
 
   time.sleep(0.1)
 
-  gpio_set(GPIO_STM_RST_N, power if is_legacy_panda_reset() else (not power))
+  gpio_set(GPIO_STM_RST_N, not power)
 
 
 def get_firmware_fn():