+int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[], int states, bootm_headers_t *images,
+ int boot_progress);
+
+void arch_preboot_os(void);
+
+/*
+ * boards should define this to disable devices when EFI exits from boot
+ * services.
+ *
+ * TODO(sjg@chromium.org>): Update this to use driver model's device_remove().
+ */
+void board_quiesce_devices(void);
+
+/**
+ * switch_to_non_secure_mode() - switch to non-secure mode
+ */
+void switch_to_non_secure_mode(void);
+
+/* Flags to control bootm_process_cmdline() */
+enum bootm_cmdline_t {
+ BOOTM_CL_SILENT = 1 << 0, /* Do silent console processing */
+ BOOTM_CL_SUBST = 1 << 1, /* Do substitution */
+
+ BOOTM_CL_ALL = 3, /* All substitutions */
+};
+
+/**
+ * arch_preboot_os() - arch specific configuration before booting
+ */
+void arch_preboot_os(void);
+
+/**
+ * board_preboot_os() - board specific configuration before booting
+ */
+void board_preboot_os(void);
+
+/*
+ * bootm_process_cmdline() - Process fix-ups for the command line
+ *
+ * This handles:
+ *
+ * - making Linux boot silently if requested ('silent_linux' envvar)
+ * - performing substitutions in the command line ('bootargs_subst' envvar)
+ *
+ * @maxlen must provide enough space for the string being processed plus the
+ * resulting string
+ *
+ * @buf: buffer holding commandline string to adjust
+ * @maxlen: Maximum length of buffer at @buf (including \0)
+ * @flags: Flags to control what happens (see bootm_cmdline_t)
+ * @return 0 if OK, -ENOMEM if out of memory, -ENOSPC if the commandline is too
+ * long
+ */
+int bootm_process_cmdline(char *buf, int maxlen, int flags);
+
+/**
+ * bootm_process_cmdline_env() - Process fix-ups for the command line
+ *
+ * Updates the 'bootargs' envvar as required. This handles:
+ *
+ * - making Linux boot silently if requested ('silent_linux' envvar)
+ * - performing substitutions in the command line ('bootargs_subst' envvar)
+ *
+ * @flags: Flags to control what happens (see bootm_cmdline_t)
+ * @return 0 if OK, -ENOMEM if out of memory
+ */
+int bootm_process_cmdline_env(int flags);