diff options
Diffstat (limited to 'lib_ppc')
| -rw-r--r-- | lib_ppc/board.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/lib_ppc/board.c b/lib_ppc/board.c index 45d1328..fbf1c5d 100644 --- a/lib_ppc/board.c +++ b/lib_ppc/board.c @@ -361,6 +361,20 @@ init_fnc_t *init_sequence[] = { NULL, /* Terminate this list */ }; +#ifndef CONFIG_MAX_MEM_MAPPED +#define CONFIG_MAX_MEM_MAPPED (256 << 20) +#endif +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 +} + /************************************************************************ * * This is the first part of the initialization sequence that is @@ -419,13 +433,7 @@ void board_init_f (ulong bootflag) */ len = (ulong)&_end - CFG_MONITOR_BASE; -#ifndef CONFIG_VERY_BIG_RAM - addr = CFG_SDRAM_BASE + gd->ram_size; -#else - /* only allow stack below 256M */ - addr = CFG_SDRAM_BASE + - (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size; -#endif + addr = CFG_SDRAM_BASE + get_effective_memsize(); #ifdef CONFIG_LOGBUFFER /* reserve kernel log buffer */ |