From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from monstr.eu (238.225.broadband7.iol.cz [88.102.225.238]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 18FB5DEA96 for ; Thu, 26 Jun 2008 22:39:14 +1000 (EST) From: monstr@seznam.cz To: linux-kernel@vger.kernel.org Subject: [PATCH 39/60] microblaze_v4: dma support Date: Thu, 26 Jun 2008 14:30:08 +0200 Message-Id: <1214483429-32360-40-git-send-email-monstr@seznam.cz> In-Reply-To: <1214483429-32360-39-git-send-email-monstr@seznam.cz> References: <1214483429-32360-1-git-send-email-monstr@seznam.cz> <1214483429-32360-2-git-send-email-monstr@seznam.cz> <1214483429-32360-3-git-send-email-monstr@seznam.cz> <1214483429-32360-4-git-send-email-monstr@seznam.cz> <1214483429-32360-5-git-send-email-monstr@seznam.cz> <1214483429-32360-6-git-send-email-monstr@seznam.cz> <1214483429-32360-7-git-send-email-monstr@seznam.cz> <1214483429-32360-8-git-send-email-monstr@seznam.cz> <1214483429-32360-9-git-send-email-monstr@seznam.cz> <1214483429-32360-10-git-send-email-monstr@seznam.cz> <1214483429-32360-11-git-send-email-monstr@seznam.cz> <1214483429-32360-12-git-send-email-monstr@seznam.cz> <1214483429-32360-13-git-send-email-monstr@seznam.cz> <1214483429-32360-14-git-send-email-monstr@seznam.cz> <1214483429-32360-15-git-send-email-monstr@seznam.cz> <1214483429-32360-16-git-send-email-monstr@seznam.cz> <1214483429-32360-17-git-send-email-monstr@seznam.cz> <1214483429-32360-18-git-send-email-monstr@seznam.cz> <1214483429-32360-19-git-send-email-monstr@seznam.cz> <1214483429-32360-20-git-send-email-monstr@seznam.cz> <1214483429-32360-21-git-send-email-monstr@seznam.cz> <1214483429-32360-22-git-send-email-monstr@seznam.cz> <1214483429-32360-23-git-send-email-monstr@seznam.cz> <1214483429-32360-24-git-send-email-monstr@seznam.cz> <1214483429-32360-25-git-send-email-monstr@seznam.cz> <1214483429-32360-26-git-send-email-monstr@seznam.cz> <1214483429-32360-27-git-send-email-monstr@seznam.cz> <1214483429-32360-28-git-send-email-monstr@seznam.cz> <1214483429-32360-29-git-send-email-monstr@seznam.cz> <1214483429-32360-30-git-send-email-monstr@seznam.cz> <1214483429-32360-31-git-send-email-monstr@seznam.cz> <1214483429-32360-32-git-send-email-monstr@seznam.cz> <1214483429-32360-33-git-send-email-monstr@seznam.cz> <1214483429-32360-34-git-send-email-monstr@seznam.cz> <1214483429-32360-35-git-send-email-monstr@seznam.cz> <1214483429-32360-36-git-send-email-monstr@seznam.cz> <1214483429-32360-37-git-send-email-monstr@seznam.cz> <1214483429-32360-38-git-send-email-monstr@seznam.cz> <1214483429-32360-39-git-send-email-monstr@seznam.cz> Cc: linux-arch@vger.kernel.org, alan@lxorguk.ukuu.org.uk, Michal Simek , vapier.adi@gmail.com, arnd@arndb.de, matthew@wil.cx, microblaze-uclinux@itee.uq.edu.au, drepper@redhat.com, linuxppc-dev@ozlabs.org, will.newton@gmail.com, hpa@zytor.com, John.Linn@xilinx.com, john.williams@petalogix.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Michal Simek Signed-off-by: Michal Simek --- include/asm-microblaze/dma-mapping.h | 1 + include/asm-microblaze/dma.h | 18 ++++++++++++++++++ include/asm-microblaze/scatterlist.h | 26 ++++++++++++++++++++++++++ 3 files changed, 45 insertions(+), 0 deletions(-) create mode 100644 include/asm-microblaze/dma-mapping.h create mode 100644 include/asm-microblaze/dma.h create mode 100644 include/asm-microblaze/scatterlist.h diff --git a/include/asm-microblaze/dma-mapping.h b/include/asm-microblaze/dma-mapping.h new file mode 100644 index 0000000..e7e1690 --- /dev/null +++ b/include/asm-microblaze/dma-mapping.h @@ -0,0 +1 @@ +#include diff --git a/include/asm-microblaze/dma.h b/include/asm-microblaze/dma.h new file mode 100644 index 0000000..6ab357b --- /dev/null +++ b/include/asm-microblaze/dma.h @@ -0,0 +1,18 @@ +/* + * Copyright (C) 2006 Atmark Techno, Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef _ASM_MICROBLAZE_DMA_H +#define _ASM_MICROBLAZE_DMA_H + +/* we don't have dma address limit. define it as zero to be + * unlimited. */ +#define MAX_DMA_ADDRESS (0) + +#define ISA_DMA_THRESHOLD (0) + +#endif /* _ASM_MICROBLAZE_DMA_H */ diff --git a/include/asm-microblaze/scatterlist.h b/include/asm-microblaze/scatterlist.h new file mode 100644 index 0000000..bbe73e6 --- /dev/null +++ b/include/asm-microblaze/scatterlist.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2008 Michal Simek + * Copyright (C) 2006 Atmark Techno, Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef _ASM_MICROBLAZE_SCATTERLIST_H +#define _ASM_MICROBLAZE_SCATTERLIST_H + +struct scatterlist { +#ifdef CONFIG_DEBUG_SG + unsigned long sg_magic; +#endif + unsigned long page_link; + dma_addr_t dma_address; + unsigned int offset; + unsigned int length; +}; + +#define sg_dma_address(sg) ((sg)->dma_address) +#define sg_dma_len(sg) ((sg)->length) + +#endif /* _ASM_MICROBLAZE_SCATTERLIST_H */ -- 1.5.4.GIT