*/
#include <common.h>
#include <command.h>
+#include <linux/compiler.h>
-#if defined(CONFIG_CMD_CACHE)
+static int parse_argv(const char *);
-static int on_off (const char *);
+void __weak invalidate_icache_all(void)
+{
+ /* please define arch specific invalidate_icache_all */
+ puts("No arch specific invalidate_icache_all available!\n");
+}
-int do_icache ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_icache(cmd_tbl_t *cmdtp, int flag, int argc, char * const 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();
+ switch (parse_argv(argv[1])) {
+ case 0:
+ icache_disable();
break;
- case 1: icache_enable ();
+ case 1:
+ icache_enable();
+ break;
+ case 2:
+ invalidate_icache_all();
break;
}
- /* FALL TROUGH */
+ break;
case 1: /* get status */
- printf ("Instruction Cache is %s\n",
+ printf("Instruction Cache is %s\n",
icache_status() ? "ON" : "OFF");
return 0;
default:
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
+ return CMD_RET_USAGE;
}
return 0;
}
-int do_dcache ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+void __weak flush_dcache_all(void)
+{
+ puts("No arch specific flush_dcache_all available!\n");
+ /* please define arch specific flush_dcache_all */
+}
+
+int do_dcache(cmd_tbl_t *cmdtp, int flag, int argc, char * const 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();
+ case 2: /* on / off */
+ switch (parse_argv(argv[1])) {
+ case 0:
+ dcache_disable();
break;
- case 1: dcache_enable ();
+ case 1:
+ dcache_enable();
+ break;
+ case 2:
+ flush_dcache_all();
break;
}
- /* FALL TROUGH */
+ break;
case 1: /* get status */
- printf ("Data (writethrough) Cache is %s\n",
+ printf("Data (writethrough) Cache is %s\n",
dcache_status() ? "ON" : "OFF");
return 0;
default:
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
+ return CMD_RET_USAGE;
}
return 0;
-
}
-static int on_off (const char *s)
+static int parse_argv(const char *s)
{
- if (strcmp(s, "on") == 0) {
- return (1);
- } else if (strcmp(s, "off") == 0) {
- return (0);
- }
- return (-1);
+ if (strcmp(s, "flush") == 0)
+ return 2;
+ else if (strcmp(s, "on") == 0)
+ return 1;
+ else if (strcmp(s, "off") == 0)
+ return 0;
+
+ return -1;
}
U_BOOT_CMD(
icache, 2, 1, do_icache,
- "icache - enable or disable instruction cache\n",
- "[on, off]\n"
- " - enable or disable instruction cache\n"
+ "enable or disable instruction cache",
+ "[on, off, flush]\n"
+ " - enable, disable, or flush instruction cache"
);
U_BOOT_CMD(
dcache, 2, 1, do_dcache,
- "dcache - enable or disable data cache\n",
- "[on, off]\n"
- " - enable or disable data (writethrough) cache\n"
+ "enable or disable data cache",
+ "[on, off, flush]\n"
+ " - enable, disable, or flush data (writethrough) cache"
);
-
-#endif