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authorwdenk <wdenk>2002-09-24 11:14:13 +0000
committerwdenk <wdenk>2002-09-24 11:14:13 +0000
commit07c04875868e53551f1827606db85d3603c88047 (patch)
tree0a235babdfd4267fbfed8cc0654bd877ef205313 /post/cache.c
parent3d818266d7fbec49ec6a39ba05da6f5dc9eca611 (diff)
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Initial revision
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+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/* Cache test
+ *
+ * This test verifies the CPU data and instruction cache using
+ * several test scenarios.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include <watchdog.h>
+
+#if CONFIG_POST & CFG_POST_CACHE
+
+#define CACHE_POST_SIZE 1024
+
+extern int cache_post_test1 (char *, unsigned int);
+extern int cache_post_test2 (char *, unsigned int);
+extern int cache_post_test3 (char *, unsigned int);
+extern int cache_post_test4 (char *, unsigned int);
+extern int cache_post_test5 (void);
+extern int cache_post_test6 (void);
+
+int cache_post_test (int flags)
+{
+ int ints = disable_interrupts ();
+ int res = 0;
+ static char ta[CACHE_POST_SIZE + 0xf];
+ char *testarea = (char *) (((unsigned long) ta + 0xf) & ~0xf);
+
+ WATCHDOG_RESET ();
+ if (res == 0)
+ res = cache_post_test1 (testarea, CACHE_POST_SIZE);
+ WATCHDOG_RESET ();
+ if (res == 0)
+ res = cache_post_test2 (testarea, CACHE_POST_SIZE);
+ WATCHDOG_RESET ();
+ if (res == 0)
+ res = cache_post_test3 (testarea, CACHE_POST_SIZE);
+ WATCHDOG_RESET ();
+ if (res == 0)
+ res = cache_post_test4 (testarea, CACHE_POST_SIZE);
+ WATCHDOG_RESET ();
+ if (res == 0)
+ res = cache_post_test5 ();
+ WATCHDOG_RESET ();
+ if (res == 0)
+ res = cache_post_test6 ();
+
+ WATCHDOG_RESET ();
+ if (ints)
+ enable_interrupts ();
+ return res;
+}
+
+#endif /* CONFIG_POST & CFG_POST_CACHE */
+#endif /* CONFIG_POST */