Hi York, > -----Original Message----- > From: York Sun [mailto:york....@nxp.com] > Sent: Tuesday, May 17, 2016 12:47 AM > To: Qianyu Gong <qianyu.g...@nxp.com>; u-boot@lists.denx.de; > o...@buserror.net > Cc: Mingkai Hu <mingkai...@nxp.com> > Subject: Re: [Patch v2] fsl-layerscape: fdt: add IFC fixup if no IFC is > avaliable in U- > Boot > > On 04/27/2016 11:19 PM, Gong Qianyu wrote: > > IFC is considered as a required component in Layerscape platforms' Linux. > > But if IFC is not enabled in U-Boot on some boards, accessing IFC > > memory space would cause kernel call trace. So disable IFC node in such > > cases. > > > > Signed-off-by: Gong Qianyu <qianyu.g...@nxp.com> > > --- > > V2: > > - Revised the title and message. > > - Used #ifndef CONFIG_FSL_IFC rather than #ifdef CONFIG_FSL_QSPI. > > > > arch/arm/cpu/armv8/fsl-layerscape/fdt.c | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c > > b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c > > index 1e875c4..96dab56 100644 > > --- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c > > +++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c > > @@ -98,4 +98,9 @@ void ft_cpu_setup(void *blob, bd_t *bd) #ifdef > > CONFIG_SYS_DPAA_FMAN > > fdt_fixup_fman_firmware(blob); > > #endif > > + > > +#ifndef CONFIG_FSL_IFC > > + do_fixup_by_compat(blob, "fsl,ifc", > > + "status", "disabled", 8 + 1, 1); #endif > > } > > > > Qianyu, > > For the platforms you are testing, is IFC disabled/enabled at SoC level (eg. > RCW) or board level (eg. FPGA)? Can you detect if IFC is enabled by checking > registers? > > York
For LS1043AQDS, IFC is disabled at board level(at SoC level, only IFC NOR is disabled). Yes, I can detect if IFC is enabled by checking QIXIS registers. Regards, Qianyu _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
