Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / common / cmd_spl.c

diff --git a/qemu/roms/u-boot/common/cmd_spl.c b/qemu/roms/u-boot/common/cmd_spl.c
new file mode 100644 (file)
index 0000000..057764a
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_spl.c
@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2011
+ * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <cmd_spl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const char **subcmd_list[] = {
+
+       [SPL_EXPORT_FDT] = (const char * []) {
+#ifdef CONFIG_OF_LIBFDT
+               "start",
+               "loados",
+       #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
+               "ramdisk",
+       #endif
+               "fdt",
+               "cmdline",
+               "bdt",
+               "prep",
+#endif
+               NULL,
+       },
+       [SPL_EXPORT_ATAGS] = (const char * []) {
+#if defined(CONFIG_SETUP_MEMORY_TAGS) || \
+       defined(CONFIG_CMDLINE_TAG) || \
+       defined(CONFIG_INITRD_TAG) || \
+       defined(CONFIG_SERIAL_TAG) || \
+       defined(CONFIG_REVISION_TAG)
+               "start",
+               "loados",
+#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
+               "ramdisk",
+#endif
+               "cmdline",
+               "bdt",
+               "prep",
+#endif
+               NULL,
+       },
+       NULL
+};
+
+/* Calls bootm with the parameters given */
+static int call_bootm(int argc, char * const argv[], const char *subcommand[])
+{
+       char *bootm_argv[5];
+
+       int i = 0;
+       int ret = 0;
+       int j;
+
+       /* create paramter array */
+       bootm_argv[0] = "do_bootm";
+       switch (argc) {
+       case 3:
+               bootm_argv[4] = argv[2]; /* fdt addr */
+       case 2:
+               bootm_argv[3] = argv[1]; /* initrd addr */
+       case 1:
+               bootm_argv[2] = argv[0]; /* kernel addr */
+       }
+
+
+       /*
+        * - do the work -
+        * exec subcommands of do_bootm to init the images
+        * data structure
+        */
+       while (subcommand[i] != NULL) {
+               bootm_argv[1] = (char *)subcommand[i];
+               debug("args %d: %s %s ", argc, bootm_argv[0], bootm_argv[1]);
+               for (j = 0; j < argc; j++)
+                       debug("%s ", bootm_argv[j + 2]);
+               debug("\n");
+
+               ret = do_bootm(find_cmd("do_bootm"), 0, argc+2,
+                       bootm_argv);
+               debug("Subcommand retcode: %d\n", ret);
+               i++;
+       }
+
+       if (ret) {
+               printf("ERROR prep subcommand failed!\n");
+               return -1;
+       }
+
+       return 0;
+}
+
+static cmd_tbl_t cmd_spl_export_sub[] = {
+       U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)SPL_EXPORT_FDT, "", ""),
+       U_BOOT_CMD_MKENT(atags, 0, 1, (void *)SPL_EXPORT_ATAGS, "", ""),
+};
+
+static int spl_export(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       const cmd_tbl_t *c;
+
+       if (argc < 2) /* no subcommand */
+               return cmd_usage(cmdtp);
+
+       c = find_cmd_tbl(argv[1], &cmd_spl_export_sub[0],
+               ARRAY_SIZE(cmd_spl_export_sub));
+       if ((c) && ((int)c->cmd <= SPL_EXPORT_LAST)) {
+               argc -= 2;
+               argv += 2;
+               if (call_bootm(argc, argv, subcmd_list[(int)c->cmd]))
+                       return -1;
+               switch ((int)c->cmd) {
+#ifdef CONFIG_OF_LIBFDT
+               case SPL_EXPORT_FDT:
+                       printf("Argument image is now in RAM: 0x%p\n",
+                               (void *)images.ft_addr);
+                       break;
+#endif
+               case SPL_EXPORT_ATAGS:
+                       printf("Argument image is now in RAM at: 0x%p\n",
+                               (void *)gd->bd->bi_boot_params);
+                       break;
+               }
+       } else {
+               /* Unrecognized command */
+               return cmd_usage(cmdtp);
+       }
+
+       return 0;
+}
+
+static cmd_tbl_t cmd_spl_sub[] = {
+       U_BOOT_CMD_MKENT(export, 0, 1, (void *)SPL_EXPORT, "", ""),
+};
+
+static int do_spl(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       const cmd_tbl_t *c;
+       int cmd;
+
+       if (argc < 2) /* no subcommand */
+               return cmd_usage(cmdtp);
+
+       c = find_cmd_tbl(argv[1], &cmd_spl_sub[0], ARRAY_SIZE(cmd_spl_sub));
+       if (c) {
+               cmd = (int)c->cmd;
+               switch (cmd) {
+               case SPL_EXPORT:
+                       argc--;
+                       argv++;
+                       if (spl_export(cmdtp, flag, argc, argv))
+                               printf("Subcommand failed\n");
+                       break;
+               default:
+                       /* unrecognized command */
+                       return cmd_usage(cmdtp);
+               }
+       } else {
+               /* Unrecognized command */
+               return cmd_usage(cmdtp);
+       }
+       return 0;
+}
+
+U_BOOT_CMD(
+       spl, 6 , 1, do_spl, "SPL configuration",
+       "export <img=atags|fdt> [kernel_addr] [initrd_addr] [fdt_addr]\n"
+       "\timg\t\t\"atags\" or \"fdt\"\n"
+       "\tkernel_addr\taddress where a kernel image is stored.\n"
+       "\t\t\tkernel is loaded as part of the boot process, but it is not started.\n"
+       "\tinitrd_addr\taddress of initial ramdisk\n"
+       "\t\t\tcan be set to \"-\" if fdt_addr without initrd_addr is used.\n"
+       "\tfdt_addr\tin case of fdt, the address of the device tree.\n"
+       );