Add GPL-2.0+ SPDX-License-Identifier to source files

[karo-tx-uboot.git] / arch / powerpc / cpu / mpc5xxx / spl_boot.c

diff --git a/arch/powerpc/cpu/mpc5xxx/spl_boot.c b/arch/powerpc/cpu/mpc5xxx/spl_boot.c
index 9f14127dcaa433b436645f394ea5d0cdbbda5f6a..e182dfbd45a34cb51d983f2a376c9d110600ae7b 100644 (file)
--- a/arch/powerpc/cpu/mpc5xxx/spl_boot.c
+++ b/arch/powerpc/cpu/mpc5xxx/spl_boot.c
@@ -1,18 +1,7 @@
 /*
  * Copyright (C) 2012 Stefan Roese <sr@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.
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -41,13 +30,12 @@ void board_init_f(ulong bootflag)
        end_align = (u32)__spl_flash_end;
 
        /*
-        * First we need to initialize the SDRAM, so that the real
-        * U-Boot or the OS (Linux) can be loaded
+        * On MPC5200, the initial RAM (and gd) is located in the internal
+        * SRAM. So we can actually call the preloader console init code
+        * before calling initdram(). This makes serial output (printf)
+        * available very early, even before SDRAM init, which has been
+        * an U-Boot priciple from day 1.
         */
-       initdram(0);
-
-       /* Clear bss */
-       memset(__bss_start, '\0', __bss_end__ - __bss_start);
 
        /*
         * Init global_data pointer. Has to be done before calling
@@ -70,6 +58,15 @@ void board_init_f(ulong bootflag)
         */
        preloader_console_init();
 
+       /*
+        * First we need to initialize the SDRAM, so that the real
+        * U-Boot or the OS (Linux) can be loaded
+        */
+       initdram(0);
+
+       /* Clear bss */
+       memset(__bss_start, '\0', __bss_end - __bss_start);
+
        /*
         * Call board_init_r() (SPL framework version) to load and boot
         * real U-Boot or OS