X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Flwmon5%2Flwmon5.c;h=85795b7c2a787d86e32eabd8bd008f51af612fa5;hb=565ffbb9ee0ac0f49636621969bc66a02c4e2b44;hp=e5fa25937b5e069eeff81cbdaa33471e99627e92;hpb=01026a6e613e1cfe580122fb5350677025f896fa;p=platform%2Fkernel%2Fu-boot.git

diff --git a/board/lwmon5/lwmon5.c b/board/lwmon5/lwmon5.c
index e5fa259..85795b7 100644
--- a/board/lwmon5/lwmon5.c
+++ b/board/lwmon5/lwmon5.c
@@ -275,44 +275,6 @@ int checkboard(void)
 	return (0);
 }
 
-#if defined(CFG_DRAM_TEST)
-int testdram(void)
-{
-	unsigned long *mem = (unsigned long *)0;
-	const unsigned long kend = (1024 / sizeof(unsigned long));
-	unsigned long k, n;
-
-	mtmsr(0);
-
-	for (k = 0; k < CFG_MBYTES_SDRAM;
-	     ++k, mem += (1024 / sizeof(unsigned long))) {
-		if ((k & 1023) == 0) {
-			printf("%3d MB\r", k / 1024);
-		}
-
-		memset(mem, 0xaaaaaaaa, 1024);
-		for (n = 0; n < kend; ++n) {
-			if (mem[n] != 0xaaaaaaaa) {
-				printf("SDRAM test fails at: %08x\n",
-				       (uint) & mem[n]);
-				return 1;
-			}
-		}
-
-		memset(mem, 0x55555555, 1024);
-		for (n = 0; n < kend; ++n) {
-			if (mem[n] != 0x55555555) {
-				printf("SDRAM test fails at: %08x\n",
-				       (uint) & mem[n]);
-				return 1;
-			}
-		}
-	}
-	printf("SDRAM test passes\n");
-	return 0;
-}
-#endif
-
 /*************************************************************************
  *  pci_pre_init
  *
@@ -476,6 +438,24 @@ int is_pci_host(struct pci_controller *hose)
 void hw_watchdog_reset(void)
 {
 	int val;
+#if defined(CONFIG_WD_MAX_RATE)
+	unsigned long long ct = get_ticks();
+
+	/*
+	 * Don't allow watch-dog triggering more frequently than
+	 * the predefined value CONFIG_WD_MAX_RATE [ticks].
+	 */
+	if (ct >= gd->wdt_last) {
+		if ((ct - gd->wdt_last) < CONFIG_WD_MAX_RATE)
+			return;
+	} else {
+		/* Time base counter had been reset */
+		if (((unsigned long long)(-1) - gd->wdt_last + ct) <
+		    CONFIG_WD_MAX_RATE)
+			return;
+	}
+	gd->wdt_last = get_ticks();
+#endif
 
 	/*
 	 * Toggle watchdog output