From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Mon, 11 Apr 2022 15:35:26 +0000 (+0100)
Subject: make DRAM init conditional on whether it is detected through SYSCON
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5baf2a874d09ab864e876486c57dc2e7e7925ca8;p=ls2.git

make DRAM init conditional on whether it is detected through SYSCON
---

diff --git a/coldboot/coldboot.c b/coldboot/coldboot.c
index b3454cb..4f699a5 100644
--- a/coldboot/coldboot.c
+++ b/coldboot/coldboot.c
@@ -326,7 +326,9 @@ int main(void) {
     return 0;
 #endif
 
-    for (int persistence=0; persistence < 1000; persistence++) {
+    // init DRAM only if SYSCON says it exists (duh)
+    if (ftr & SYS_REG_INFO_HAS_DRAM)
+    {
         puts("DRAM init... ");
 
         struct gramCtx ctx;
@@ -471,9 +473,6 @@ int main(void) {
                 }
             }
         }
-        if (failcnt == 0) { // fiinally...
-            break;
-        }
     }
 #endif
 	puts("done\n");