From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.gentoo.org ([140.211.166.183]) by bombadil.infradead.org with esmtps (Exim 4.69 #1 (Red Hat Linux)) id 1M8tF0-0004fw-Ec for linux-mtd@lists.infradead.org; Tue, 26 May 2009 09:46:45 +0000 From: Mike Frysinger To: linux-kernel@vger.kernel.org Subject: [PATCH 2/2] mtd/maps: uclinux: support Blackfin systems Date: Tue, 26 May 2009 05:46:31 -0400 Message-Id: <1243331191-11445-2-git-send-email-vapier@gentoo.org> In-Reply-To: <1243331191-11445-1-git-send-email-vapier@gentoo.org> References: <1243331191-11445-1-git-send-email-vapier@gentoo.org> Cc: uclinux-dist-devel@blackfin.uclinux.org, linux-mtd@lists.infradead.org, uclinux-dev@uclinux.org, Greg Ungerer List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Due to a processor anomaly (05000263 to be exact), most Blackfin parts cannot keep the embedded filesystem image directly after the kernel in RAM. Instead, the filesystem needs to be relocated to the end of memory. As such, we need to tweak the initial filesystem address for Blackfin systems. Signed-off-by: Mike Frysinger CC: Greg Ungerer CC: uclinux-dev@uclinux.org CC: linux-mtd@lists.infradead.org --- drivers/mtd/maps/uclinux.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/mtd/maps/uclinux.c b/drivers/mtd/maps/uclinux.c index 57699c2..dcb552f 100644 --- a/drivers/mtd/maps/uclinux.c +++ b/drivers/mtd/maps/uclinux.c @@ -55,8 +55,13 @@ static int __init uclinux_mtd_init(void) { struct mtd_info *mtd; struct map_info *mapp; +#ifdef CONFIG_BLACKFIN + extern unsigned long memory_mtd_start; + unsigned long addr = (unsigned long) memory_mtd_start; +#else extern char _ebss; unsigned long addr = (unsigned long) &_ebss; +#endif mapp = &uclinux_ram_map; mapp->phys = addr; -- 1.6.3.1