+/*
+ * Copyright (C) 2012 Boundary Devices 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 <asm/errno.h>
+#include <asm/io.h>
+#include <asm/imx-common/boot_mode.h>
+#include <malloc.h>
+
+static const struct boot_mode *modes[2];
+
+static const struct boot_mode *search_modes(char *arg)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(modes); i++) {
+ const struct boot_mode *p = modes[i];
+ if (p) {
+ while (p->name) {
+ if (!strcmp(p->name, arg))
+ return p;
+ p++;
+ }
+ }
+ }
+ return NULL;
+}
+
+static int create_usage(char *dest)
+{
+ int i;
+ int size = 0;
+
+ for (i = 0; i < ARRAY_SIZE(modes); i++) {
+ const struct boot_mode *p = modes[i];
+ if (p) {
+ while (p->name) {
+ int len = strlen(p->name);
+ if (dest) {
+ memcpy(dest, p->name, len);
+ dest += len;
+ *dest++ = '|';
+ }
+ size += len + 1;
+ p++;
+ }
+ }
+ }
+ if (dest)
+ memcpy(dest - 1, " [noreset]", 11); /* include trailing 0 */
+ size += 10;
+ return size;
+}
+
+static int do_boot_mode(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ const struct boot_mode *p;
+ int reset_requested = 1;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+ p = search_modes(argv[1]);
+ if (!p)
+ return CMD_RET_USAGE;
+ if (argc == 3) {
+ if (strcmp(argv[2], "noreset"))
+ return CMD_RET_USAGE;
+ reset_requested = 0;
+ }
+
+ boot_mode_apply(p->cfg_val);
+ if (reset_requested && p->cfg_val)
+ do_reset(NULL, 0, 0, NULL);
+ return 0;
+}
+
+U_BOOT_CMD(
+ bmode, 3, 0, do_boot_mode,
+ NULL,
+ "");
+
+void add_board_boot_modes(const struct boot_mode *p)
+{
+ int size;
+ char *dest;
+
+ if (__u_boot_cmd_bmode.usage) {
+ free(__u_boot_cmd_bmode.usage);
+ __u_boot_cmd_bmode.usage = NULL;
+ }
+
+ modes[0] = p;
+ modes[1] = soc_boot_modes;
+ size = create_usage(NULL);
+ dest = malloc(size);
+ if (dest) {
+ create_usage(dest);
+ __u_boot_cmd_bmode.usage = dest;
+ }
+}
projects / karo-tx-uboot.git / commitdiff