rockchip: rk3288: sdram: fix DDR address range

[platform/kernel/u-boot.git] / arch / arm / mach-rockchip / rk3288 / sdram_rk3288.c

diff --git a/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c b/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c
index cf9ef2e..8020e9c 100644 (file)
--- a/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c
+++ b/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c
@@ -755,10 +755,11 @@ size_t sdram_size_mb(struct rk3288_pmu *pmu)
        }
 
        /*
-       * we use the 0x00000000~0xfeffffff space since 0xff000000~0xffffffff
-       * is SoC register space (i.e. reserved)
+       * we use the 0x00000000~0xfdffffff space since 0xff000000~0xffffffff
+       * is SoC register space (i.e. reserved), and 0xfe000000~0xfeffffff is 
+       * inaccessible for some IP controller.
        */
-       size_mb = min(size_mb, 0xff000000 >> 20);
+       size_mb = min(size_mb, 0xfe000000 >> 20);
 
        return size_mb;
 }