From mboxrd@z Thu Jan 1 00:00:00 1970 From: s.hauer@pengutronix.de (Sascha Hauer) Date: Tue, 28 Aug 2012 08:47:10 +0200 Subject: [PATCH] imx21ads : avoid overlapping static i/o mappings In-Reply-To: <1346016938-28175-1-git-send-email-jaccon.bastiaansen@gmail.com> References: <1346016938-28175-1-git-send-email-jaccon.bastiaansen@gmail.com> Message-ID: <20120828064710.GP26594@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Sun, Aug 26, 2012 at 11:35:38PM +0200, Jaccon Bastiaansen wrote: > The static I/O mappings for the cs89x0 ethernet controller and the > secondary AHB port 1 (SAHB1) overlapped, causing a kernel crash > at startup. This is fixed by mapping the cs89x0 to 0xf6000000 (which > is free to use according to arch/arm/plat-mxc/include/mach/hardware.h). > > Signed-off-by: Jaccon Bastiaansen > --- > arch/arm/mach-imx/mach-mx21ads.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/arm/mach-imx/mach-mx21ads.c b/arch/arm/mach-imx/mach-mx21ads.c > index ed22e3f..712c90e 100644 > --- a/arch/arm/mach-imx/mach-mx21ads.c > +++ b/arch/arm/mach-imx/mach-mx21ads.c > @@ -31,7 +31,7 @@ > /* > * Memory-mapped I/O on MX21ADS base board > */ > -#define MX21ADS_MMIO_BASE_ADDR 0xf5000000 > +#define MX21ADS_MMIO_BASE_ADDR 0xf6000000 I would prefer to ioremap the region instead. This makes sure this problem is solved once and for all. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |