From patchwork Mon Jul 22 05:54:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 1134713 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=gmx.net Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=gmx.net header.i=@gmx.net header.b="Zoy6CrDz"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45sW7Y51p7z9sBZ for ; Mon, 22 Jul 2019 15:56:09 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727360AbfGVF4E (ORCPT ); Mon, 22 Jul 2019 01:56:04 -0400 Received: from mout.gmx.net ([212.227.17.20]:43361 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725811AbfGVF4E (ORCPT ); Mon, 22 Jul 2019 01:56:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1563774936; bh=dzdr53EkDfSZtFiMzw7a6OARSi94GiDFaqLyZtNfIl4=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=Zoy6CrDzGb0Z257hg8xs0g4en5VEPmyESBYKfH+Cj+CsdxJYV1SqQsXjLJa0wxSaS KWIIcthQ96sN/IK/kUtssbyxRPfANK2ZQxlGtSK3QTuJOM5gRO89c/WF4mP5VcMOG0 ootWrmBjktFZLjczcpg/AJTA78QFdckNAQ9k4fZM= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from localhost.localdomain ([37.4.249.98]) by mail.gmx.com (mrgmx102 [212.227.17.168]) with ESMTPSA (Nemesis) id 0MFz0E-1hbjeY0XRe-00Eqxb; Mon, 22 Jul 2019 07:55:36 +0200 From: Stefan Wahren To: Eric Anholt , Florian Fainelli , Ray Jui , Scott Branden , Nicolas Saenz Julienne , Matthias Brugger , Rob Herring , Mark Rutland , Linus Walleij , Michael Turquette , Stephen Boyd , Ulf Hansson , Adrian Hunter Cc: bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, linux-mmc@vger.kernel.org, Phil Elwell , Stefan Wahren Subject: [PATCH 02/18] ARM: bcm2835: DMA can only address 1GB Date: Mon, 22 Jul 2019 07:54:33 +0200 Message-Id: <1563774880-8061-3-git-send-email-wahrenst@gmx.net> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1563774880-8061-1-git-send-email-wahrenst@gmx.net> References: <1563774880-8061-1-git-send-email-wahrenst@gmx.net> X-Provags-ID: V03:K1:3KYnU+KY93ySQbXoN6a7vr1jZuSLg8oR5n1EsXsNkt36rd20DMS VBwjTacicgyaL4favnKV7k4PUTLCz84tq75/L+aTV3VtqhtKZBCLf/tqnwY7FPBwUWhLzBa 6eSsLC+RleLIhpzKaVqw1B/UE7GF8EVGriMPREiCsX69eLwypHAnQpaiIJsA6YsG44K3Yv+ Pm4jcJw9o3l0kKerr3tqA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1; V03:K0:P4wBPLw9+NM=:GFs+lWv7RZDpBlDQGOMwSf Hl30jJQScoNLQ6Ir/S88NdNWLIdXPDdkwQdv9dc2oFCKRJmet6i6ksHMc2S9dRbKniQF4bI1t yVcUfXwKZsNXTjPUMhEvj2eIoXUIO7IPRnOjuHflFhmRtiot04fdXW/9MzD9T3Cjnu8w/QyFf AvTNO8F4JVS8y46dtCYJGZGpAZno1kWv/Fz/9mfCioH3XvkxSKvhz2L0/CsMyVWcFTRyPwvBz 1BFLG3YLUX6P8DiJHjMy66AyWSOjANq/ojzkF4LVdLGUNKxAOnGZn0941kYtkyF2V0bkIW0J3 aSUpU79SbqN3KLczP7ceacUt5ZsmDH6WGWhHKvP4cM5HRgdRT5fn4gBtEbyq2wyK1uLi/EOyp 7NC5ijRHALHKZwKR5Wq5Ao5+AK5CTPlkKeR7+JEEkCrwTrWxTnOW+VhY8jUNAtdlkZ3yZSuhK X1t8ZjrXVybxl907t1/GkBb5EjkC6Sj62kkPfx9nKq8Ra2TVAZo+0ww4XHNVFvDfWxxSW2j9z L9nbbMBrpN6WslJAtCf2aBX0ii4sT1629K5qbP6nfPbjKOJqW5pJdHGIGUpivkRfOmE/ft6Se EDZQDNGNBznpsIfat5aNE9EZi4J4ivGs4fspOf51lWBwLFLkCA0f+P5Qn1ZtFhR+sZNc8K80x CHmpq1jnxNDs/RzXga1OoqM5lb/Urn845rccq1D1WY6o9EiuywVa9nCTZUES8ETXkW45F3tCQ ZyKndUdnPXu254beD7lyVSBkQeO6DodhR1nbtmSR4d8HMbrsIHfN3pnD7uYRgu92Zwm5r2xnD HL3CLpqeHJtyH6v4gA67BErm9t/zhGg25IxsH03iT6l0/xUWwUE0LGtM3vPj03vLATI1naGrh pdNOcDPXgI6MtJ8brbApn61dNqNjluyy+Jlr8ICZEoGa2biKBS5Wp2jaElaPBdp2Jy6Pk9mKh ueBYlJnX7YwYwmAoFTQvDIgcn077DIejGFeTJzhYQrZfsO7TSDhgR2ayen/ofMuyd5fNc4Fln Htbmm6rfIHFIr8ZjvOuFoaVvgKXKT76vD1M667L6/zkcHHhTZwbOUm0l/h+h59zuJzF8ThEzN LOSgChzoqBan3c= Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Phil Elwell The legacy peripherals on BCM2711 & BCM2835 can only address the first gigabyte of RAM, so ensure that DMA allocations are restricted to that region. Signed-off-by: Phil Elwell Signed-off-by: Stefan Wahren --- arch/arm/mach-bcm/board_bcm2835.c | 1 + 1 file changed, 1 insertion(+) -- 2.7.4 diff --git a/arch/arm/mach-bcm/board_bcm2835.c b/arch/arm/mach-bcm/board_bcm2835.c index bfc556f..d2b31a9 100644 --- a/arch/arm/mach-bcm/board_bcm2835.c +++ b/arch/arm/mach-bcm/board_bcm2835.c @@ -24,6 +24,7 @@ static const char * const bcm2835_compat[] = { }; DT_MACHINE_START(BCM2835, "BCM2835") + .dma_zone_size = SZ_1G, .dt_compat = bcm2835_compat, .smp = smp_ops(bcm2836_smp_ops), MACHINE_END