On 9/26/18 4:10 AM, Ashish Kumar wrote: > Enable AHB support for Flexspi controller interface meaning > memory can be accessed via md command using absolute addresses > > Signed-off-by: Yogesh Gaur <yogeshnarayan.g...@nxp.com> > Signed-off-by: Rajat Srivastava <rajat.srivast...@nxp.com> > Signed-off-by: Ashish Kumar <ashish.ku...@nxp.com> > --- > v2: > 1. Rename FSPI to FlexSPI in description and comments > 2. s/cmd/command > 3. Add macro and comments to improve readablity of code in soc.c > 4. Add declaration in soc.h for fspi_ahb_init() > > arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 10 +++++ > arch/arm/cpu/armv8/fsl-layerscape/soc.c | 44 +++++++++++++++++++ > .../arm/include/asm/arch-fsl-layerscape/soc.h | 7 +++ > 3 files changed, 61 insertions(+) > > diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig > b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig > index 5280d33ec8..70f26973e9 100644 > --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig > +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig > @@ -327,6 +327,16 @@ config SYS_FSPI_AHB_INIT > performed. Default LUT programmed in AHB mode is Fast Read command > with 4-byte addressing enabled.
SYS_FSPI_AHB_INIT doesn't exist yet. > > +config FSPI_AHB_EN_4BYTE > + bool "Enable 4-byte Fast Read command for AHB mode" > + depends on NXP_FSPI > + default n > + help > + The default setting for FlexSPI AHB bus just supports 3-byte > addressing. > + But some FlexSPI flash sizes are up to 64MBytes. > + This flag enables fast read command for AHB mode and modifies required > + LUT to support full FlexSPI flash. > + NXP_FSPI doesn't exist yet. Do you have dependency I missed? York _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
