Merge git://www.denx.de/git/u-boot

1 files changed, 92 insertions, 0 deletions

diff --git a/post/lib_ppc/fpu/fpu.c b/post/lib_ppc/fpu/fpu.c
new file mode 100644
index 0000000..07dcba8
--- /dev/null
+++ b/post/lib_ppc/fpu/fpu.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Sergei Poselenov <sposelenov@emcraft.com>
+ *
+ * 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>
+
+/*
+ * FPU 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 <post.h>
+
+#if CONFIG_POST & CFG_POST_FPU
+
+#include <watchdog.h>
+
+extern int fpu_status (void);
+extern void fpu_enable (void);
+extern void fpu_disable (void);
+
+extern int fpu_post_test_math1 (void);
+extern int fpu_post_test_math2 (void);
+extern int fpu_post_test_math3 (void);
+extern int fpu_post_test_math4 (void);
+extern int fpu_post_test_math5 (void);
+extern int fpu_post_test_math6 (void);
+extern int fpu_post_test_math7 (void);
+
+int fpu_post_test (int flags)
+{
+	int fpu = fpu_status ();
+
+	int ret = 0;
+
+	WATCHDOG_RESET ();
+
+	if (!fpu)
+		fpu_enable ();
+
+	if (ret == 0)
+		ret = fpu_post_test_math1 ();
+	if (ret == 0)
+		ret = fpu_post_test_math2 ();
+	if (ret == 0)
+		ret = fpu_post_test_math3 ();
+	if (ret == 0)
+		ret = fpu_post_test_math4 ();
+	if (ret == 0)
+		ret = fpu_post_test_math5 ();
+	if (ret == 0)
+		ret = fpu_post_test_math6 ();
+	if (ret == 0)
+		ret = fpu_post_test_math7 ();
+
+	if (!fpu)
+		fpu_disable ();
+
+	WATCHDOG_RESET ();
+
+	return ret;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */