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MIPS: Alchemy: use 64MB RAM as minimum for devboards 

YAMON on all devboards provides the "memsize" envvar; in the unlikely
case that it can't be parsed just assume 64MB, which all boards have
at least.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3286/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Manuel Lauss 2012-01-21 18:13:13 +01:00 committed by Ralf Baechle
parent 28a33cbc24
commit 3e25f4f243
1 changed files with 1 additions and 10 deletions
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11
arch/mips/alchemy/devboards/prom.c
View File

@ -33,15 +33,6 @@
#include <asm/mach-au1x00/au1000.h>
#include <prom.h>
#if defined(CONFIG_MIPS_DB1000) || \
defined(CONFIG_MIPS_PB1100) || \
defined(CONFIG_MIPS_PB1500)
#define ALCHEMY_BOARD_DEFAULT_MEMSIZE 0x04000000
#else /* Au1550/Au1200-based develboards */
#define ALCHEMY_BOARD_DEFAULT_MEMSIZE 0x08000000
#endif
void __init prom_init(void)
{
unsigned char *memsize_str;
@ -54,7 +45,7 @@ void __init prom_init(void)
prom_init_cmdline();
memsize_str = prom_getenv("memsize");
if (!memsize_str || strict_strtoul(memsize_str, 0, &memsize))
memsize = ALCHEMY_BOARD_DEFAULT_MEMSIZE;
memsize = 64 << 20; /* all devboards have at least 64MB RAM */
add_memory_region(0, memsize, BOOT_MEM_RAM);
}