From mboxrd@z Thu Jan 1 00:00:00 1970 From: catalin.marinas@arm.com (Catalin Marinas) Date: Mon, 20 Feb 2012 10:41:56 +0000 Subject: Question on ARM Cortex R4 support in Linux In-Reply-To: <4F421FE4.3030106@st.com> References: <20120213105313.GD4994@arm.com> <20120213110730.GA7375@arm.com> <4F4217F7.6050908@st.com> <20120220100122.GB14018@arm.com> <4F421FE4.3030106@st.com> Message-ID: <20120220104156.GD14018@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Feb 20, 2012 at 10:26:44AM +0000, Armando Visconti wrote: > On 02/20/2012 11:01 AM, Catalin Marinas wrote: > > On Mon, Feb 20, 2012 at 09:52:55AM +0000, Armando Visconti wrote: > >> We are planning to buy a Cortex-R4 board from ARM. > >> Lionel Belnet suggested to buy Versatile + a CoreTile with Cortex-R4F > >> r1p2 Test Chip on it. > >> > >> Is there any Linux/ucLinux support already offered for this solution? > > > > On www.arm.com/linux there is a uClinux tab with images for download, > > though the kernel is 2.6.35. Anyway, you can always get a newer kernel > > and just disable CONFIG_MMU for a RealView/EB board with ARMv6 > > processor. > > So, you are suggesting that we can got for a RealView + CoreTile with > Cortex-R4F testchip instead of versatile? I wasn't aware that we have a Versatile board supporting a Cortex-R4 tile. You could just mail support at arm.com and ask them to advise. I recall I only tested with with a RealView/EB board. > Why ARMv6? > Maybe you meant ARMv7? Yes, ARMv7 (ARM1156 is a v6). -- Catalin