From patchwork Fri Sep 17 14:18:53 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: charu@ti.com X-Patchwork-Id: 188202 X-Patchwork-Delegate: khilman@deeprootsystems.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8HEJP2p030067 for ; Fri, 17 Sep 2010 14:19:25 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754497Ab0IQOTY (ORCPT ); Fri, 17 Sep 2010 10:19:24 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:40779 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753045Ab0IQOTW (ORCPT ); Fri, 17 Sep 2010 10:19:22 -0400 Received: from dbdp31.itg.ti.com ([172.24.170.98]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id o8HEJGVT003803 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 17 Sep 2010 09:19:18 -0500 Received: from localhost.localdomain (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id o8HEJ9fH026550; Fri, 17 Sep 2010 19:49:14 +0530 (IST) From: "Varadarajan, Charulatha" To: tony@atomide.com, wim@iguana.be, linux-watchdog@vger.kernel.org Cc: khilman@deeprootsystems.com, paul@pwsan.com, b-cousson@ti.com, rnayak@ti.com, p-basak2@ti.com, linux-omap@vger.kernel.org, "Varadarajan, Charulatha" Subject: [PATCH v6 4/7] OMAP2430: hwmod data: Add watchdog timer Date: Fri, 17 Sep 2010 19:48:53 +0530 Message-Id: <1284733136-20952-5-git-send-email-charu@ti.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1284733136-20952-1-git-send-email-charu@ti.com> References: <1284733136-20952-1-git-send-email-charu@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Fri, 17 Sep 2010 14:19:26 +0000 (UTC) diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index 4526628..0a106de 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -33,6 +33,7 @@ static struct omap_hwmod omap2430_mpu_hwmod; static struct omap_hwmod omap2430_iva_hwmod; static struct omap_hwmod omap2430_l3_main_hwmod; static struct omap_hwmod omap2430_l4_core_hwmod; +static struct omap_hwmod omap2430_wd_timer2_hwmod; /* L3 -> L4_CORE interface */ static struct omap_hwmod_ocp_if omap2430_l3_main__l4_core = { @@ -165,12 +166,74 @@ static struct omap_hwmod omap2430_iva_hwmod = { .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430) }; +/* l4_wkup -> wd_timer2 */ +static struct omap_hwmod_addr_space omap2430_wd_timer2_addrs[] = { + { + .pa_start = 0x49016000, + .pa_end = 0x4901607f, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap2430_l4_wkup__wd_timer2 = { + .master = &omap2430_l4_wkup_hwmod, + .slave = &omap2430_wd_timer2_hwmod, + .clk = "mpu_wdt_ick", + .addr = omap2430_wd_timer2_addrs, + .addr_cnt = ARRAY_SIZE(omap2430_wd_timer2_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* + * 'wd_timer' class + * 32-bit watchdog upward counter that generates a pulse on the reset pin on + * overflow condition + */ + +static struct omap_hwmod_class_sysconfig omap2430_wd_timer_sysc = { + .rev_offs = 0x0, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_EMUFREE | SYSC_HAS_SOFTRESET | + SYSC_HAS_AUTOIDLE), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap2430_wd_timer_hwmod_class = { + .name = "wd_timer", + .sysc = &omap2430_wd_timer_sysc, +}; + +/* wd_timer2 */ +static struct omap_hwmod_ocp_if *omap2430_wd_timer2_slaves[] = { + &omap2430_l4_wkup__wd_timer2, +}; + +static struct omap_hwmod omap2430_wd_timer2_hwmod = { + .name = "wd_timer2", + .class = &omap2430_wd_timer_hwmod_class, + .main_clk = "mpu_wdt_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP24XX_EN_WDT2_SHIFT, + .module_offs = WKUP_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP24XX_EN_WDT2_SHIFT, + }, + }, + .slaves = omap2430_wd_timer2_slaves, + .slaves_cnt = ARRAY_SIZE(omap2430_wd_timer2_slaves), + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), +}; + static __initdata struct omap_hwmod *omap2430_hwmods[] = { &omap2430_l3_main_hwmod, &omap2430_l4_core_hwmod, &omap2430_l4_wkup_hwmod, &omap2430_mpu_hwmod, &omap2430_iva_hwmod, + &omap2430_wd_timer2_hwmod, NULL, };