arm: mx5: clock: add support for changing CPU clock via cmdline

[karo-tx-uboot.git] / common / cmd_boot.c

diff --git a/common/cmd_boot.c b/common/cmd_boot.c
index 182e2ab9806bf806bcc84567b745fc79f3bdff58..8f2e0701b540387b01906d26b622d3a239580b2d 100644 (file)
--- a/common/cmd_boot.c
+++ b/common/cmd_boot.c
@@ -2,23 +2,7 @@
  * (C) Copyright 2000-2003
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * 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
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 /*
@@ -28,19 +12,23 @@
 #include <command.h>
 #include <net.h>
 
-#if defined(CONFIG_I386)
-DECLARE_GLOBAL_DATA_PTR;
-#endif
+#ifdef CONFIG_CMD_GO
+
+/* Allow ports to override the default behavior */
+__attribute__((weak))
+unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc,
+                                char * const argv[])
+{
+       return entry (argc, argv);
+}
 
-int do_go (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+static int do_go(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
        ulong   addr, rc;
        int     rcode = 0;
 
-       if (argc < 2) {
-               printf ("Usage:\n%s\n", cmdtp->usage);
-               return 1;
-       }
+       if (argc < 2)
+               return CMD_RET_USAGE;
 
        addr = simple_strtoul(argv[1], NULL, 16);
 
@@ -50,21 +38,7 @@ int do_go (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
         * pass address parameter as argv[0] (aka command name),
         * and all remaining args
         */
-#if defined(CONFIG_I386)
-       /*
-        * x86 does not use a dedicated register to pass the pointer
-        * to the global_data
-        */
-       argv[0] = (char *)gd;
-#endif
-#if !defined(CONFIG_NIOS)
-       rc = ((ulong (*)(int, char *[]))addr) (--argc, &argv[1]);
-#else
-       /*
-        * Nios function pointers are address >> 1
-        */
-       rc = ((ulong (*)(int, char *[]))(addr>>1)) (--argc, &argv[1]);
-#endif
+       rc = do_go_exec ((void *)addr, argc - 1, argv + 1);
        if (rc != 0) rcode = 1;
 
        printf ("## Application terminated, rc = 0x%lX\n", rc);
@@ -74,16 +48,16 @@ int do_go (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 /* -------------------------------------------------------------------- */
 
 U_BOOT_CMD(
-       go, CFG_MAXARGS, 1,     do_go,
-       "go      - start application at address 'addr'\n",
+       go, CONFIG_SYS_MAXARGS, 1,      do_go,
+       "start application at address 'addr'",
        "addr [arg ...]\n    - start application at address 'addr'\n"
-       "      passing 'arg' as arguments\n"
+       "      passing 'arg' as arguments"
 );
 
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+#endif
 
 U_BOOT_CMD(
-       reset, CFG_MAXARGS, 1,  do_reset,
-       "reset   - Perform RESET of the CPU\n",
-       NULL
+       reset, 1, 0,    do_reset,
+       "Perform RESET of the CPU",
+       ""
 );