1 files changed, 77 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/ppc4xx/commproc.c b/arch/powerpc/cpu/ppc4xx/commproc.c
new file mode 100644
index 000000000..a1696d37e
--- /dev/null
+++ b/arch/powerpc/cpu/ppc4xx/commproc.c
@@ -0,0 +1,77 @@
+/*
+ * (C) Copyright 2000-2004
+ * 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
+ *
+ *
+ * Atapted for ppc4XX by Denis Peter
+ */
+
+#include <common.h>
+#include <commproc.h>
+#include <asm/io.h>
+
+#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
+
+#if defined(CONFIG_SYS_POST_WORD_ADDR)
+# define _POST_ADDR	((CONFIG_SYS_OCM_DATA_ADDR) + (CONFIG_SYS_POST_WORD_ADDR))
+#elif defined(CONFIG_SYS_POST_ALT_WORD_ADDR)
+# define _POST_ADDR	(CONFIG_SYS_POST_ALT_WORD_ADDR)
+#endif
+
+void post_word_store (ulong a)
+{
+	volatile void *save_addr = (volatile void *)(_POST_ADDR);
+
+	out_be32(save_addr, a);
+}
+
+ulong post_word_load (void)
+{
+	volatile void *save_addr = (volatile void *)(_POST_ADDR);
+
+	return in_be32(save_addr);
+}
+
+#endif	/* CONFIG_POST || CONFIG_LOGBUFFER*/
+
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+
+void bootcount_store (ulong a)
+{
+	volatile ulong *save_addr =
+		(volatile ulong *)(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_BOOTCOUNT_ADDR);
+
+	save_addr[0] = a;
+	save_addr[1] = BOOTCOUNT_MAGIC;
+}
+
+ulong bootcount_load (void)
+{
+	volatile ulong *save_addr =
+		(volatile ulong *)(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_BOOTCOUNT_ADDR);
+
+	if (save_addr[1] != BOOTCOUNT_MAGIC)
+		return 0;
+	else
+		return save_addr[0];
+}
+
+#endif /* CONFIG_BOOTCOUNT_LIMIT */