From patchwork Tue Oct 5 00:00:56 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Victor Rodriguez X-Patchwork-Id: 230861 Received: from devils.ext.ti.com (devils.ext.ti.com [198.47.26.153]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o9501PAJ013915 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 5 Oct 2010 00:01:46 GMT Received: from dlep33.itg.ti.com ([157.170.170.112]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id o94NxoJE019430 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 4 Oct 2010 18:59:50 -0500 Received: from linux.omap.com (localhost [127.0.0.1]) by dlep33.itg.ti.com (8.13.7/8.13.7) with ESMTP id o94Nxnl3015792; Mon, 4 Oct 2010 18:59:49 -0500 (CDT) Received: from linux.omap.com (localhost [127.0.0.1]) by linux.omap.com (Postfix) with ESMTP id 2A1B380627; Mon, 4 Oct 2010 18:59:49 -0500 (CDT) X-Original-To: davinci-linux-open-source@linux.davincidsp.com Delivered-To: davinci-linux-open-source@linux.davincidsp.com Received: from dlep33.itg.ti.com (dlep33.itg.ti.com [157.170.170.112]) by linux.omap.com (Postfix) with ESMTP id 9DAA180626 for ; Mon, 4 Oct 2010 18:59:47 -0500 (CDT) Received: from emcc1.sasken-mty.naucm.ext.ti.com (localhost [127.0.0.1]) by dlep33.itg.ti.com (8.13.7/8.13.7) with ESMTP id o94Nxilc015742; Mon, 4 Oct 2010 18:59:44 -0500 (CDT) Received: from localhost.localdomain (victor-desktop.sasken-mty.naucm.ext.ti.com [10.87.230.94]) by emcc1.sasken-mty.naucm.ext.ti.com (8.13.8+Sun/8.13.8) with ESMTP id o94NxhAQ019844; Mon, 4 Oct 2010 18:59:44 -0500 (CDT) From: To: Subject: [PATCH v1] davinci: EDMA support for Omapl138-Hawkboard Date: Mon, 4 Oct 2010 19:00:56 -0500 Message-Id: <1286236856-23042-1-git-send-email-vm.rod25@gmail.com> X-Mailer: git-send-email 1.6.0.5 Cc: sshtylyov@mvista.com 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]); Tue, 05 Oct 2010 00:01:46 +0000 (UTC) diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index b22c275..7e3fee4 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -69,6 +69,56 @@ static int __init omapl138_hawk_config_emac(void) } device_initcall(omapl138_hawk_config_emac); +/* + * The following EDMA channels/slots are not being used by drivers (for + * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, 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, }; @@ -79,6 +129,11 @@ static __init void omapl138_hawk_init(void) davinci_serial_init(&omapl138_hawk_uart_config); + ret = da850_register_edma(da850_edma_rsv); + if (ret) + pr_warning("omapl138_hawk_init: " + "edma registration failed: %d\n", ret); + ret = da8xx_register_watchdog(); if (ret) pr_warning("omapl138_hawk_init: "