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authorYork Sun <yorksun@freescale.com>2014-02-11 11:57:26 -0800
committerTom Rini <trini@ti.com>2014-02-21 11:06:13 -0500
commite38661634b3d60af80d85ce9eb570a45db4729ca (patch)
treea7a7f3272ccac9757c941c9c71525fd7adf5ccd5 /common
parent6b1e1254f326940e5b65c7029f71b964bdf28fd4 (diff)
common: Add get_effective_memsize() to memsize.c
This function has been around for powerpc. It is used for systems with memory more than CONFIG_MAX_MEM_MAPPED. In case of non-contiguous memory, this feature can limit U-boot to one block without going over the limit. Signed-off-by: York Sun <yorksun@freescale.com> Acked-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Diffstat (limited to 'common')
-rw-r--r--common/board_f.c11
-rw-r--r--common/cmd_log.c2
-rw-r--r--common/memsize.c16
3 files changed, 16 insertions, 13 deletions
diff --git a/common/board_f.c b/common/board_f.c
index 02965b0df7..a973b95334 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -223,17 +223,6 @@ static int show_dram_config(void)
return 0;
}
-ulong 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
-}
-
void __dram_init_banksize(void)
{
#if defined(CONFIG_NR_DRAM_BANKS) && defined(CONFIG_SYS_SDRAM_BASE)
diff --git a/common/cmd_log.c b/common/cmd_log.c
index 8164bdf488..38d0f5edfd 100644
--- a/common/cmd_log.c
+++ b/common/cmd_log.c
@@ -52,7 +52,7 @@ static char *lbuf;
unsigned long __logbuffer_base(void)
{
- return CONFIG_SYS_SDRAM_BASE + gd->ram_size - LOGBUFF_LEN;
+ return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
}
unsigned long logbuffer_base(void)
__attribute__((weak, alias("__logbuffer_base")));
diff --git a/common/memsize.c b/common/memsize.c
index 73b92c8a00..589400d3b1 100644
--- a/common/memsize.c
+++ b/common/memsize.c
@@ -5,7 +5,10 @@
* 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
@@ -76,3 +79,14 @@ long get_ram_size(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
+}