diff options
| author | York Sun | 2014-02-11 11:57:26 -0800 |
|---|---|---|
| committer | Tom Rini | 2014-02-21 11:06:13 -0500 |
| commit | e38661634b3d60af80d85ce9eb570a45db4729ca (patch) | |
| tree | a7a7f3272ccac9757c941c9c71525fd7adf5ccd5 /common | |
| parent | 6b1e1254f326940e5b65c7029f71b964bdf28fd4 (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.c | 11 | ||||
| -rw-r--r-- | common/cmd_log.c | 2 | ||||
| -rw-r--r-- | common/memsize.c | 16 |
3 files changed, 16 insertions, 13 deletions
diff --git a/common/board_f.c b/common/board_f.c index 02965b0df76..a973b953341 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 8164bdf4886..38d0f5edfd7 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 73b92c8a00e..589400d3b14 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 +} |