3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * Cache support: switch on or off, get status
29 #include <cmd_cache.h>
31 #if (CONFIG_COMMANDS & CFG_CMD_CACHE)
33 static int on_off (const char *);
35 int do_icache ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
38 case 2: /* on / off */
39 switch (on_off(argv[1])) {
40 #if 0 /* prevented by varargs handling; FALLTROUGH is harmless, too */
41 default: printf ("Usage:\n%s\n", cmdtp->usage);
44 case 0: icache_disable();
46 case 1: icache_enable ();
50 case 1: /* get status */
51 printf ("Instruction Cache is %s\n",
52 icache_status() ? "ON" : "OFF");
55 printf ("Usage:\n%s\n", cmdtp->usage);
61 int do_dcache ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
64 case 2: /* on / off */
65 switch (on_off(argv[1])) {
66 #if 0 /* prevented by varargs handling; FALLTROUGH is harmless, too */
67 default: printf ("Usage:\n%s\n", cmdtp->usage);
70 case 0: dcache_disable();
72 case 1: dcache_enable ();
76 case 1: /* get status */
77 printf ("Data (writethrough) Cache is %s\n",
78 dcache_status() ? "ON" : "OFF");
81 printf ("Usage:\n%s\n", cmdtp->usage);
88 static int on_off (const char *s)
90 if (strcmp(s, "on") == 0) {
92 } else if (strcmp(s, "off") == 0) {
98 #endif /* CFG_CMD_CACHE */