From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <50511EB5.800@ti.com> Date: Wed, 12 Sep 2012 19:45:57 -0400 From: Cyril Chemparathy MIME-Version: 1.0 To: Rob Herring Subject: Re: [PATCH] of: specify initrd location using 64-bit References: <1347465937-7056-1-git-send-email-cyril@ti.com> <5050EF3F.6030003@gmail.com> In-Reply-To: <5050EF3F.6030003@gmail.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Cc: linux-mips@linux-mips.org, x86@kernel.org, david.daney@cavium.com, linux@openrisc.net, paul.gortmaker@windriver.com, paulus@samba.org, hpa@zytor.com, m.szyprowski@samsung.com, jonas@southpole.se, linus.walleij@linaro.org, linux@arm.linux.org.uk, linux-c6x-dev@linux-c6x.org, nico@linaro.org, a-jacquiot@ti.com, mingo@redhat.com, suzuki@in.ibm.com, mahesh@linux.vnet.ibm.com, bigeasy@linutronix.de, arnd@arndb.de, microblaze-uclinux@itee.uq.edu.au, devicetree-discuss@lists.ozlabs.org, msalter@redhat.com, rob.herring@calxeda.com, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, blogic@openwrt.org, dhowells@redhat.com, monstr@monstr.eu, linux-kernel@vger.kernel.org, ralf@linux-mips.org, tj@kernel.org, linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 9/12/2012 4:23 PM, Rob Herring wrote: > On 09/12/2012 11:05 AM, Cyril Chemparathy wrote: >> On some PAE architectures, the entire range of physical memory could reside >> outside the 32-bit limit. These systems need the ability to specify the >> initrd location using 64-bit numbers. >> >> This patch globally modifies the early_init_dt_setup_initrd_arch() function to >> use 64-bit numbers instead of the current unsigned long. > > S-o-B? > Sorry about that, will include in v2. [...] >> --- a/arch/arm/mm/init.c >> +++ b/arch/arm/mm/init.c >> @@ -76,7 +76,7 @@ static int __init parse_tag_initrd2(const struct tag *tag) >> __tagtable(ATAG_INITRD2, parse_tag_initrd2); >> >> #ifdef CONFIG_OF_FLATTREE >> -void __init early_init_dt_setup_initrd_arch(unsigned long start, unsigned long end) >> +void __init early_init_dt_setup_initrd_arch(u64 start, u64 end) > > phys_initrd_start/size need to change too. Not sure about similar things > on other arches. > I've fixed phys_initrd_start (not size) in another patch, please see [1]. > Does u-boot need similar fixes? > We aren't there yet :-) We are currently running this platform without u-boot. [1] http://permalink.gmane.org/gmane.linux.kernel/1356713 -- Thanks - Cyril