From: Marcel Ziswiler <[email protected]> The imx_ddr_size() function may overflow as it is possible to kind of over provision the DDR controller. Fix this by capping it to 2 GB which is the maximum allowed size as per reference manual.
Signed-off-by: Marcel Ziswiler <[email protected]> -- arch/arm/mach-imx/mx7/ddr.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mach-imx/mx7/ddr.c b/arch/arm/mach-imx/mx7/ddr.c index f19aeb8042..9713835bf2 100644 --- a/arch/arm/mach-imx/mx7/ddr.c +++ b/arch/arm/mach-imx/mx7/ddr.c @@ -196,5 +196,9 @@ unsigned int imx_ddr_size(void) if (field_val <= 29) bits++; + /* cap to max 2 GB */ + if (bits > 31) + bits = 31; + return 1 << bits; } -- 2.14.4 _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
