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>
diff --git a/common/board_f.c b/common/board_f.c
index 02965b0..a973b95 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -223,17 +223,6 @@
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 8164bdf..38d0f5e 100644
--- a/common/cmd_log.c
+++ b/common/cmd_log.c
@@ -52,7 +52,7 @@
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 73b92c8..589400d 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 @@
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
+}