Messages in this thread | | | Date | Tue, 28 Sep 2021 12:02:53 -0400 (EDT) | From | Nicolas Pitre <> | Subject | Re: [PATCH 12/14] ARM: add CONFIG_PHYS_OFFSET default values |
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On Tue, 28 Sep 2021, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de> > > For platforms that are not yet converted to ARCH_MULTIPLATFORM, > we can disable CONFIG_ARM_PATCH_PHYS_VIRT, which in turn requires > setting a correct address here. > > As we actualy know what all the values are supposed to be based > on the old mach/memory.h header file contents (from git history), > we can just add them here. > > This also solves a problem in Kconfig where 'make randconfig' > fails to continue if no number is selected for a 'hex' option. > Users can still override the number at configuration time, e.g. > when the memory visible to the kernel starts at a nonstandard > address on some machine, but it should no longer be required > now. > > I originally posted this back in 2016, but the problem still > persists. The patch has gotten much simpler though, as almost > all platforms rely on ARM_PATCH_PHYS_VIRT now. > > Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
> Link: https://lore.kernel.org/linux-arm-kernel/1455804123-2526139-5-git-send-email-arnd@arndb.de/ > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > arch/arm/Kconfig | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index 12a0bd4b315d..0d4f3e2d50ad 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -264,10 +264,12 @@ config PHYS_OFFSET > hex "Physical address of main memory" if MMU > depends on !ARM_PATCH_PHYS_VIRT > default DRAM_BASE if !MMU > - default 0x00000000 if ARCH_FOOTBRIDGE > + default 0x00000000 if ARCH_FOOTBRIDGE || ARCH_IXP4XX > default 0x10000000 if ARCH_OMAP1 || ARCH_RPC > - default 0x20000000 if ARCH_S5PV210 > - default 0xc0000000 if ARCH_SA1100 > + default 0x30000000 if ARCH_S3C24XX > + default 0xa0000000 if ARCH_IOP32X || ARCH_PXA > + default 0xc0000000 if ARCH_EP93XX || ARCH_SA1100 > + default 0 > help > Please provide the physical address corresponding to the > location of main memory in your system. > -- > 2.29.2 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >
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