From patchwork Sun Oct 11 16:41:26 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Shishkin X-Patchwork-Id: 53011 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n9BGmkdF011515 for ; Sun, 11 Oct 2009 16:48:46 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756167AbZJKQoC (ORCPT ); Sun, 11 Oct 2009 12:44:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756051AbZJKQoB (ORCPT ); Sun, 11 Oct 2009 12:44:01 -0400 Received: from smtp.nokia.com ([192.100.122.230]:58651 "EHLO mgw-mx03.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756006AbZJKQn6 (ORCPT ); Sun, 11 Oct 2009 12:43:58 -0400 Received: from esebh106.NOE.Nokia.com (esebh106.ntc.nokia.com [172.21.138.213]) by mgw-mx03.nokia.com (Switch-3.3.3/Switch-3.3.3) with ESMTP id n9BGgAjJ004812; Sun, 11 Oct 2009 19:42:11 +0300 Received: from vaebh104.NOE.Nokia.com ([10.160.244.30]) by esebh106.NOE.Nokia.com with Microsoft SMTPSVC(6.0.3790.3959); Sun, 11 Oct 2009 19:42:09 +0300 Received: from mgw-da01.ext.nokia.com ([147.243.128.24]) by vaebh104.NOE.Nokia.com over TLS secured channel with Microsoft SMTPSVC(6.0.3790.3959); Sun, 11 Oct 2009 19:42:09 +0300 Received: from esdhcp04087 (esdhcp041145.research.nokia.com [172.21.41.145]) by mgw-da01.ext.nokia.com (Switch-3.3.3/Switch-3.3.3) with ESMTP id n9BGg5CX028252 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=NO); Sun, 11 Oct 2009 19:42:07 +0300 Received: from ash by esdhcp04087 with local (Exim 4.69) (envelope-from ) id 1Mx1Uf-0002KA-8F; Sun, 11 Oct 2009 19:42:01 +0300 From: Alexander Shishkin To: Russell King Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alexander Shishkin Subject: [PATCH v1 2/2] OMAP3: add platform devices for ETM and ETB Date: Sun, 11 Oct 2009 19:41:26 +0300 Message-Id: <1255279286-8904-2-git-send-email-virtuoso@slind.org> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: <1255279286-8904-1-git-send-email-virtuoso@slind.org> References: <1255279286-8904-1-git-send-email-virtuoso@slind.org> X-OriginalArrivalTime: 11 Oct 2009 16:42:09.0434 (UTC) FILETIME=[C67DFFA0:01CA4A91] X-Nokia-AV: Clean Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 75b1c7e..87bcc2a 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -88,3 +88,10 @@ config MACH_OMAP_ZOOM2 config MACH_OMAP_4430SDP bool "OMAP 4430 SDP board" depends on ARCH_OMAP4 + +config OMAP3_EMU + tristate "OMAP3 debugging peripherals" + depends on ARCH_OMAP3 && OC_ETM + help + Say Y here to enable debugging hardware of omap3 + diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 6b7702f..572dd27 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -44,6 +44,9 @@ obj-$(CONFIG_ARCH_OMAP4) += cm4xxx.o obj-$(CONFIG_ARCH_OMAP2) += clock24xx.o obj-$(CONFIG_ARCH_OMAP3) += clock34xx.o +# EMU periferals +obj-$(CONFIG_OMAP3_EMU) += emu.o + iommu-y += iommu2.o iommu-$(CONFIG_ARCH_OMAP3) += omap3-iommu.o diff --git a/arch/arm/mach-omap2/emu.c b/arch/arm/mach-omap2/emu.c new file mode 100644 index 0000000..f98874e --- /dev/null +++ b/arch/arm/mach-omap2/emu.c @@ -0,0 +1,70 @@ +/* + * linux/arch/arm/mach-omap2/emu.c + * + * ETM and ETB CoreSight components' resources as found in OMAP3xxx. + * + * Copyright (C) 2009 Nokia Corporation. + * Alexander Shishkin + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Alexander Shishkin"); + +/* Cortex CoreSight components within omap3xxx EMU */ +#define ETM_BASE (L4_EMU_34XX_PHYS + 0x10000) +#define DBG_BASE (L4_EMU_34XX_PHYS + 0x11000) +#define ETB_BASE (L4_EMU_34XX_PHYS + 0x1b000) +#define DAPCTL (L4_EMU_34XX_PHYS + 0x1d000) + +static struct resource rx51_etb_resource = { + .start = ETB_BASE, + .end = ETB_BASE + SZ_4K, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device rx51_etb_device = { + .name = "etb", + .id = -1, + .num_resources = 1, + .resource = &rx51_etb_resource, +}; + +static struct resource rx51_etm_resource = { + .start = ETM_BASE, + .end = ETM_BASE + SZ_4K, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device rx51_etm_device = { + .name = "etm", + .id = -1, + .num_resources = 1, + .resource = &rx51_etm_resource, +}; + +static struct platform_device *rx51_trace_devices[] = { + &rx51_etm_device, + &rx51_etb_device, +}; + +static int __init emu_init(void) +{ + platform_add_devices(rx51_trace_devices, + ARRAY_SIZE(rx51_trace_devices)); + + return 0; +} + +module_init(emu_init); +