From patchwork Fri Oct 29 15:10:38 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Victor Rodriguez X-Patchwork-Id: 290492 Received: from bear.ext.ti.com (bear.ext.ti.com [192.94.94.41]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o9TFFJxk010237 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 29 Oct 2010 15:15:40 GMT Received: from dlep36.itg.ti.com ([157.170.170.91]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id o9TFDcn5016292 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 29 Oct 2010 10:13:38 -0500 Received: from linux.omap.com (localhost [127.0.0.1]) by dlep36.itg.ti.com (8.13.8/8.13.8) with ESMTP id o9TFDbRq020709; Fri, 29 Oct 2010 10:13:37 -0500 (CDT) Received: from linux.omap.com (localhost [127.0.0.1]) by linux.omap.com (Postfix) with ESMTP id 6093180673; Fri, 29 Oct 2010 10:12:17 -0500 (CDT) X-Original-To: davinci-linux-open-source@linux.davincidsp.com Delivered-To: davinci-linux-open-source@linux.davincidsp.com Received: from dflp53.itg.ti.com (dflp53.itg.ti.com [128.247.5.6]) by linux.omap.com (Postfix) with ESMTP id 961EF8062C for ; Fri, 29 Oct 2010 10:10:50 -0500 (CDT) Received: from neches.ext.ti.com (localhost [127.0.0.1]) by dflp53.itg.ti.com (8.13.8/8.13.8) with ESMTP id o9TFAmtC008194 for ; Fri, 29 Oct 2010 10:10:48 -0500 (CDT) Received: from psmtp.com (na3sys009amx209.postini.com [74.125.149.49]) by neches.ext.ti.com (8.13.7/8.13.7) with SMTP id o9TFAl8d029619 for ; Fri, 29 Oct 2010 10:10:47 -0500 Received: from source ([200.52.114.70]) by na3sys009amx209.postini.com ([74.125.148.10]) with SMTP; Fri, 29 Oct 2010 10:10:47 CDT Received: by victor-desktop (Postfix, from userid 1000) id E6B38581D3C; Fri, 29 Oct 2010 10:10:45 -0500 (CDT) From: To: Subject: [PATCH v6 2/9] davinci: EDMA support for Omapl138-Hawkboard Date: Fri, 29 Oct 2010 10:10:38 -0500 Message-Id: <1288365045-2709-3-git-send-email-vm.rod25@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1288365045-2709-1-git-send-email-vm.rod25@gmail.com> References: <1288365045-2709-1-git-send-email-vm.rod25@gmail.com> X-pstn-neptune: 0/0/0.00/0 X-pstn-levels: (S:61.90114/99.90000 CV:99.9000 FC:95.5390 LC:95.5390 R:95.9108 P:95.9108 M:97.0282 C:98.6951 ) X-pstn-settings: 2 (0.5000:0.5000) s cv gt3 gt2 gt1 r p m c X-pstn-addresses: from [db-null] Cc: alsa-devel@alsa-project.org, sshtylyov@mvista.com, broonie@opensource.wolfsonmicro.com, lrg@slimlogic.co.uk X-BeenThere: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: davinci-linux-open-source-bounces@linux.davincidsp.com Errors-To: davinci-linux-open-source-bounces@linux.davincidsp.com X-Greylist: Sender succeeded STARTTLS authentication, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Fri, 29 Oct 2010 15:15:40 +0000 (UTC) diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index 62d35f0..114fc9b 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -60,6 +60,55 @@ static __init void omapl138_hawk_config_emac(void) __func__, ret); } +/* + * The following EDMA channels/slots are not being used by drivers (for + * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM/Hawkboard, + * hence they are being reserved for codecs on the DSP side. + */ +static const s16 da850_dma0_rsv_chans[][2] = { + /* (offset, number) */ + { 8, 6}, + {24, 4}, + {30, 2}, + {-1, -1} +}; + +static const s16 da850_dma0_rsv_slots[][2] = { + /* (offset, number) */ + { 8, 6}, + {24, 4}, + {30, 50}, + {-1, -1} +}; + +static const s16 da850_dma1_rsv_chans[][2] = { + /* (offset, number) */ + { 0, 28}, + {30, 2}, + {-1, -1} +}; + +static const s16 da850_dma1_rsv_slots[][2] = { + /* (offset, number) */ + { 0, 28}, + {30, 90}, + {-1, -1} +}; + +static struct edma_rsv_info da850_edma_cc0_rsv = { + .rsv_chans = da850_dma0_rsv_chans, + .rsv_slots = da850_dma0_rsv_slots, +}; + +static struct edma_rsv_info da850_edma_cc1_rsv = { + .rsv_chans = da850_dma1_rsv_chans, + .rsv_slots = da850_dma1_rsv_slots, +}; + +static struct edma_rsv_info *da850_edma_rsv[2] = { + &da850_edma_cc0_rsv, + &da850_edma_cc1_rsv, +}; static struct davinci_uart_config omapl138_hawk_uart_config __initdata = { .enabled_uarts = 0x7, @@ -73,6 +122,11 @@ static __init void omapl138_hawk_init(void) omapl138_hawk_config_emac(); + ret = da850_register_edma(da850_edma_rsv); + if (ret) + pr_warning("%s: EDMA registration failed: %d\n", + __func__, ret); + ret = da8xx_register_watchdog(); if (ret) pr_warning("omapl138_hawk_init: "