On Fri, Jul 28, 2017 at 10:03:12PM +0530, Ruchika Gupta wrote: > kASLR support in kernel requires a random number to be passed via > chosen/kaslr-seed propert. sec_firmware generates this random seed > which can then be passed in the device tree node. > > sec_firmware reserves JR3 for it's own usage. Node for JR3 is > removed from device-tree. > > Signed-off-by: Ruchika Gupta <[email protected]> > --- > Changes from v1 > - Extra spaces removed from the patch > - Support added for LSCH3 devices in the patch > - of calls replaced with fdt calls to remove compilation error with latest > uboot > > arch/arm/cpu/armv8/fsl-layerscape/fdt.c | 75 > +++++++++++++++++++++++++++++-- > arch/arm/cpu/armv8/sec_firmware.c | 53 ++++++++++++++++++++++ > arch/arm/include/asm/armv8/sec_firmware.h | 8 ++++ > 3 files changed, 133 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c > b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c > index f5f4840..8a21583 100644 > --- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c > +++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c > @@ -345,11 +345,78 @@ static void fdt_fixup_msi(void *blob) > } > #endif > > +int fdt_fixup_kaslr(void *fdt) > +{
This looks like common, non-layerscape specific code to me, so it should be in sec_firmware.c so other platforms can set the property as well. -- Tom
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