Initial revision

1 files changed, 132 insertions, 0 deletions

diff --git a/post/cpu.c b/post/cpu.c
new file mode 100644
index 00000000000..6b8fc6e7cdb
--- /dev/null
+++ b/post/cpu.c
@@ -0,0 +1,132 @@
+/*
+ * (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>
+
+/*
+ * CPU test
+ *
+ * This test checks the arithmetic logic unit (ALU) of CPU.
+ * It tests independently various groups of instructions using
+ * run-time modification of the code to reduce the memory footprint.
+ * For more details refer to post/cpu/ *.c files.
+ */
+
+#ifdef CONFIG_POST
+
+#include <watchdog.h>
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern int cpu_post_test_cmp (void);
+extern int cpu_post_test_cmpi (void);
+extern int cpu_post_test_two (void);
+extern int cpu_post_test_twox (void);
+extern int cpu_post_test_three (void);
+extern int cpu_post_test_threex (void);
+extern int cpu_post_test_threei (void);
+extern int cpu_post_test_andi (void);
+extern int cpu_post_test_srawi (void);
+extern int cpu_post_test_rlwnm (void);
+extern int cpu_post_test_rlwinm (void);
+extern int cpu_post_test_rlwimi (void);
+extern int cpu_post_test_store (void);
+extern int cpu_post_test_load (void);
+extern int cpu_post_test_cr (void);
+extern int cpu_post_test_b (void);
+extern int cpu_post_test_multi (void);
+extern int cpu_post_test_string (void);
+extern int cpu_post_test_complex (void);
+
+ulong cpu_post_makecr (long v)
+{
+	ulong cr = 0;
+
+	if (v < 0)
+		cr |= 0x80000000;
+	if (v > 0)
+		cr |= 0x40000000;
+	if (v == 0)
+		cr |= 0x20000000;
+
+	return cr;
+}
+
+int cpu_post_test (int flags)
+{
+	int ic = icache_status ();
+	int ret = 0;
+
+	if (ic)
+		icache_disable ();
+
+	if (ret == 0)
+		ret = cpu_post_test_cmp ();
+	if (ret == 0)
+		ret = cpu_post_test_cmpi ();
+	if (ret == 0)
+		ret = cpu_post_test_two ();
+	if (ret == 0)
+		ret = cpu_post_test_twox ();
+	if (ret == 0)
+		ret = cpu_post_test_three ();
+	if (ret == 0)
+		ret = cpu_post_test_threex ();
+	if (ret == 0)
+		ret = cpu_post_test_threei ();
+	WATCHDOG_RESET();
+	if (ret == 0)
+		ret = cpu_post_test_andi ();
+	if (ret == 0)
+		ret = cpu_post_test_srawi ();
+	if (ret == 0)
+		ret = cpu_post_test_rlwnm ();
+	if (ret == 0)
+		ret = cpu_post_test_rlwinm ();
+	if (ret == 0)
+		ret = cpu_post_test_rlwimi ();
+	if (ret == 0)
+		ret = cpu_post_test_store ();
+	if (ret == 0)
+		ret = cpu_post_test_load ();
+	WATCHDOG_RESET();
+	if (ret == 0)
+		ret = cpu_post_test_cr ();
+	if (ret == 0)
+		ret = cpu_post_test_b ();
+	if (ret == 0)
+		ret = cpu_post_test_multi ();
+	if (ret == 0)
+		ret = cpu_post_test_string ();
+	if (ret == 0)
+		ret = cpu_post_test_complex ();
+
+	if (ic)
+		icache_enable ();
+
+	return ret;
+}
+
+#endif /* CONFIG_POST & CFG_POST_CPU */
+#endif /* CONFIG_POST */