/*
* Copyright 2008-2009 Freescale Semiconductor, Inc.
*
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
-int
+static int cpu_status_all(void)
+{
+ unsigned long cpuid;
+
+ for (cpuid = 0; ; cpuid++) {
+ if (!is_core_valid(cpuid)) {
+ if (cpuid == 0) {
+ printf("Core num: %lu is not valid\n", cpuid);
+ return 1;
+ }
+ break;
+ }
+ cpu_status(cpuid);
+ }
+
+ return 0;
+}
+
+static int
cpu_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned long cpuid;
+ if (argc == 2 && strncmp(argv[1], "status", 6) == 0)
+ return cpu_status_all();
+
if (argc < 3)
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
cpuid = simple_strtoul(argv[1], NULL, 10);
if (!is_core_valid(cpuid)) {
else if (strncmp(argv[2], "disable", 7) == 0)
return cpu_disable(cpuid);
else
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
return 0;
}
/* 4 or greater, make sure its release */
if (strncmp(argv[2], "release", 7) != 0)
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
if (cpu_release(cpuid, argc - 3, argv + 3))
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
return 0;
}
+#ifdef CONFIG_SYS_LONGHELP
+static char cpu_help_text[] =
+ "<num> reset - Reset cpu <num>\n"
+ "cpu status - Status of all cpus\n"
+ "cpu <num> status - Status of cpu <num>\n"
+ "cpu <num> disable - Disable cpu <num>\n"
+ "cpu <num> release <addr> [args] - Release cpu <num> at <addr> with [args]"
#ifdef CONFIG_PPC
-#define CPU_ARCH_HELP \
+ "\n"
" [args] : <pir> <r3> <r6>\n" \
" pir - processor id (if writeable)\n" \
" r3 - value for gpr 3\n" \
" When cpu <num> is released r4 and r5 = 0.\n" \
" r7 will contain the size of the initial mapped area"
#endif
+ "";
+#endif
U_BOOT_CMD(
cpu, CONFIG_SYS_MAXARGS, 1, cpu_cmd,
- "Multiprocessor CPU boot manipulation and release",
- "<num> reset - Reset cpu <num>\n"
- "cpu <num> status - Status of cpu <num>\n"
- "cpu <num> disable - Disable cpu <num>\n"
- "cpu <num> release <addr> [args] - Release cpu <num> at <addr> with [args]"
-#ifdef CPU_ARCH_HELP
- "\n"
- CPU_ARCH_HELP
-#endif
+ "Multiprocessor CPU boot manipulation and release", cpu_help_text
);