[U-Boot] [PATCH] powerpc/mpc85xx: explicit cast the SDRAM size to type phys_size_t
Mingkai Hu
Mingkai.Hu at freescale.com
Fri Apr 12 09:56:28 CEST 2013
To avoid sign extension problem, use explicit casting to cast
the SDRAM size to type phys_size_t, or else, if the SDRAM size
is 2G(0x80000000), it will be extended to 0xffffffff80000000
when phys_size_t is type 'unsigned long long'.
Signed-off-by: Mingkai Hu <Mingkai.Hu at freescale.com>
---
Based on master branch of git://git.denx.de/u-boot.git
Also can apply direcly to git://www.denx.de/git/u-boot-mpc85xx.git
arch/powerpc/cpu/mpc85xx/cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c
index df2ab6d..ee6fac3 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu.c
@@ -339,7 +339,7 @@ phys_size_t initdram(int board_type)
#if defined(CONFIG_SPD_EEPROM) || defined(CONFIG_DDR_SPD)
return fsl_ddr_sdram_size();
#else
- return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
+ return (phys_size_t)CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
#endif
}
#else /* CONFIG_SYS_RAMBOOT */
--
1.8.0
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