Initial revision
diff --git a/common/cmd_cache.c b/common/cmd_cache.c
new file mode 100644
index 0000000..f2015b3
--- /dev/null
+++ b/common/cmd_cache.c
@@ -0,0 +1,98 @@
+/*
+ * (C) Copyright 2000
+ * 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
+ */
+
+/*
+ * Cache support: switch on or off, get status
+ */
+#include <common.h>
+#include <command.h>
+#include <cmd_cache.h>
+
+#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
+
+static int on_off (const char *);
+
+int do_icache ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ switch (argc) {
+ case 2: /* on / off */
+ switch (on_off(argv[1])) {
+#if 0 /* prevented by varargs handling; FALLTROUGH is harmless, too */
+ default: printf ("Usage:\n%s\n", cmdtp->usage);
+ return;
+#endif
+ case 0: icache_disable();
+ break;
+ case 1: icache_enable ();
+ break;
+ }
+ /* FALL TROUGH */
+ case 1: /* get status */
+ printf ("Instruction Cache is %s\n",
+ icache_status() ? "ON" : "OFF");
+ return 0;
+ default:
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+ return 0;
+}
+
+int do_dcache ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ switch (argc) {
+ case 2: /* on / off */
+ switch (on_off(argv[1])) {
+#if 0 /* prevented by varargs handling; FALLTROUGH is harmless, too */
+ default: printf ("Usage:\n%s\n", cmdtp->usage);
+ return;
+#endif
+ case 0: dcache_disable();
+ break;
+ case 1: dcache_enable ();
+ break;
+ }
+ /* FALL TROUGH */
+ case 1: /* get status */
+ printf ("Data (writethrough) Cache is %s\n",
+ dcache_status() ? "ON" : "OFF");
+ return 0;
+ default:
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+ return 0;
+
+}
+
+static int on_off (const char *s)
+{
+ if (strcmp(s, "on") == 0) {
+ return (1);
+ } else if (strcmp(s, "off") == 0) {
+ return (0);
+ }
+ return (-1);
+}
+
+#endif /* CFG_CMD_CACHE */
