Merge branch 'u-boot-sh/rmobile' into 'u-boot-arm/master'

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

diff --git a/common/memsize.c b/common/memsize.c
index 6c275c9b25feec5189d2717f8dd35c46d6eb88da..589400d3b14d8a8c53e9908ca2aec7cce66f0e11 100644 (file)
--- a/common/memsize.c
+++ b/common/memsize.c
@@ -2,26 +2,13 @@
  * (C) Copyright 2004
  * 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+
  */
 
-#include <config.h>
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
 #ifdef __PPC__
 /*
  * At least on G2 PowerPC cores, sequential accesses to non-existent
@@ -37,7 +24,7 @@
  * the actually available RAM size between addresses `base' and
  * `base + maxsize'.
  */
-long get_ram_size(volatile long *base, long maxsize)
+long get_ram_size(long *base, long maxsize)
 {
        volatile long *addr;
        long           save[32];
@@ -92,3 +79,14 @@ long get_ram_size(volatile long *base, long maxsize)
 
        return (maxsize);
 }
+
+phys_size_t __weak get_effective_memsize(void)
+{
+#ifndef CONFIG_VERY_BIG_RAM
+       return gd->ram_size;
+#else
+       /* limit stack to what we can reasonable map */
+       return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
+               CONFIG_MAX_MEM_MAPPED : gd->ram_size);
+#endif
+}