Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / imx-common / cmd_bmode.c

diff --git a/qemu/roms/u-boot/arch/arm/imx-common/cmd_bmode.c b/qemu/roms/u-boot/arch/arm/imx-common/cmd_bmode.c
new file mode 100644 (file)
index 0000000..841b1d3
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/imx-common/cmd_bmode.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2012 Boundary Devices Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+#include <common.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+#include <asm/imx-common/boot_mode.h>
+#include <malloc.h>
+#include <command.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;
+
+       cmd_tbl_t *entry = ll_entry_get(cmd_tbl_t, bmode, cmd);
+
+       if (entry->usage) {
+               free(entry->usage);
+               entry->usage = NULL;
+       }
+
+       modes[0] = p;
+       modes[1] = soc_boot_modes;
+       size = create_usage(NULL);
+       dest = malloc(size);
+       if (dest) {
+               create_usage(dest);
+               entry->usage = dest;
+       }
+}