11630 remove checks for 64-bit capable hardware

@@ -274,15 +274,10 @@
 uint_t hblk_alloc_dynamic = 0;
 uint_t hblk1_min = H1MIN;
 
 
 /*
- * Hook for down-rev firmware
- */
-static void do_prom_version_check(void);
-
-/*
  * After receiving a thermal interrupt, this is the number of seconds
  * to delay before shutting off the system, assuming
  * shutdown fails.  Use /etc/system to change the delay if this isn't
  * large enough.
  */

@@ -1515,16 +1510,10 @@
         param_calc(0);
 
         mod_setup();
 
         /*
-         * If we are running firmware that isn't 64-bit ready
-         * then complain and halt.
-         */
-        do_prom_version_check();
-
-        /*
          * Initialize system parameters
          */
         param_init();
 
         /*

@@ -3086,47 +3075,10 @@
 startup_create_io_node(void)
 {
         prom_interpret(create_node, 0, 0, 0, 0, 0);
 }
 
-
-static void
-do_prom_version_check(void)
-{
-        int i;
-        pnode_t node;
-        char buf[64];
-        static char drev[] = "Down-rev firmware detected%s\n"
-            "\tPlease upgrade to the following minimum version:\n"
-            "\t\t%s\n";
-
-        i = prom_version_check(buf, sizeof (buf), &node);
-
-        if (i == PROM_VER64_OK)
-                return;
-
-        if (i == PROM_VER64_UPGRADE) {
-                cmn_err(CE_WARN, drev, "", buf);
-
-#ifdef  DEBUG
-                prom_enter_mon();       /* Type 'go' to continue */
-                cmn_err(CE_WARN, "Booting with down-rev firmware\n");
-                return;
-#else
-                halt(0);
-#endif
-        }
-
-        /*
-         * The other possibility is that this is a server running
-         * good firmware, but down-rev firmware was detected on at
-         * least one other cpu board. We just complain if we see
-         * that.
-         */
-        cmn_err(CE_WARN, drev, " on one or more CPU boards", buf);
-}
-
 
 /*
  * Must be defined in platform dependent code.
  */
 extern caddr_t modtext;