1 files changed, 90 insertions, 0 deletions
diff --git a/u-boot/common/cmd_mp.c b/u-boot/common/cmd_mp.c
new file mode 100644
index 0000000..f19bf41
--- /dev/null
+++ b/u-boot/common/cmd_mp.c
@@ -0,0 +1,90 @@
+/*
+ * 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
+ */
+
+#include <common.h>
+#include <command.h>
+
+int
+cpu_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	unsigned long cpuid;
+
+	if (argc < 3)
+		return cmd_usage(cmdtp);
+
+	cpuid = simple_strtoul(argv[1], NULL, 10);
+	if (cpuid >= cpu_numcores()) {
+		printf ("Core num: %lu is out of range[0..%d]\n",
+				cpuid, cpu_numcores() - 1);
+		return 1;
+	}
+
+
+	if (argc == 3) {
+		if (strncmp(argv[2], "reset", 5) == 0)
+			cpu_reset(cpuid);
+		else if (strncmp(argv[2], "status", 6) == 0)
+			cpu_status(cpuid);
+		else if (strncmp(argv[2], "disable", 7) == 0)
+			return cpu_disable(cpuid);
+		else
+			return cmd_usage(cmdtp);
+
+		return 0;
+	}
+
+	/* 4 or greater, make sure its release */
+	if (strncmp(argv[2], "release", 7) != 0)
+		return cmd_usage(cmdtp);
+
+	if (cpu_release(cpuid, argc - 3, argv + 3))
+		return cmd_usage(cmdtp);
+
+	return 0;
+}
+
+#ifdef CONFIG_PPC
+#define CPU_ARCH_HELP \
+	"                         [args] : <pir> <r3> <r6>\n" \
+	"                                   pir - processor id (if writeable)\n" \
+	"                                    r3 - value for gpr 3\n" \
+	"                                    r6 - value for gpr 6\n" \
+	"\n" \
+	"     Use '-' for any arg if you want the default value.\n" \
+	"     Default for r3 is <num> and r6 is 0\n" \
+	"\n" \
+	"     When cpu <num> is released r4 and r5 = 0.\n" \
+	"     r7 will contain the size of the initial mapped area"
+#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
+);