From mboxrd@z Thu Jan 1 00:00:00 1970 From: paul.gortmaker@windriver.com (Paul Gortmaker) Date: Fri, 2 Dec 2011 11:31:50 -0500 Subject: [PATCH] arm: add default value for PHYS_OFFSET Kconfig setting In-Reply-To: <20111202092124.GR26618@pengutronix.de> References: <1322711557-8279-1-git-send-email-paul.gortmaker@windriver.com> <201112011419.46751.arnd@arndb.de> <20111202092124.GR26618@pengutronix.de> Message-ID: <4ED8FD76.3000802@windriver.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 11-12-02 04:21 AM, Uwe Kleine-K?nig wrote: > Hello Nicolas, > > On Fri, Dec 02, 2011 at 12:33:26AM -0500, Nicolas Pitre wrote: [...] >> And it seems that at91x40 is the only defconfig with MMU=n, so the only >> option is really to provide a default CONFIG_PHYS_OFFSET. So what about >> this: >> >> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig >> index e084b7e981..a24672924f 100644 >> --- a/arch/arm/Kconfig >> +++ b/arch/arm/Kconfig >> @@ -222,6 +222,7 @@ config NEED_MACH_MEMORY_H >> config PHYS_OFFSET >> hex "Physical address of main memory" >> depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H >> + default DRAM_BASE if !MMU >> help >> Please provide the physical address corresponding to the >> location of main memory in your system. >> >> Eventually the DRAM_BASE config option could simply be replaced by >> PHYS_OFFSET directly, but that's a larger change. > I'm working on a MMU-less machine, too and had that change already in my > working copy. I was about to commit and it send out later today. > > So: Acked-by: Uwe Kleine-K?nig Looks fine to me as well; I had no particular attachment to the original patch, and you guys have a much better understanding of the specifics of the system. Thanks, Paul. > > Best regards > Uwe >