From patchwork Fri Dec 3 23:50:46 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ohad Ben Cohen X-Patchwork-Id: 379511 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 oB3NnbIJ022155 for ; Fri, 3 Dec 2010 23:49:39 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754450Ab0LCXs2 (ORCPT ); Fri, 3 Dec 2010 18:48:28 -0500 Received: from mail-wy0-f174.google.com ([74.125.82.174]:33284 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754332Ab0LCXsT (ORCPT ); Fri, 3 Dec 2010 18:48:19 -0500 Received: by mail-wy0-f174.google.com with SMTP id 28so10027818wyb.19 for ; Fri, 03 Dec 2010 15:48:18 -0800 (PST) Received: by 10.227.144.65 with SMTP id y1mr2629324wbu.199.1291420098096; Fri, 03 Dec 2010 15:48:18 -0800 (PST) Received: from localhost.localdomain (89-139-39-216.bb.netvision.net.il [89.139.39.216]) by mx.google.com with ESMTPS id q18sm1652134wbe.5.2010.12.03.15.48.15 (version=TLSv1/SSLv3 cipher=RC4-MD5); Fri, 03 Dec 2010 15:48:17 -0800 (PST) From: Ohad Ben-Cohen To: , , Cc: , Greg KH , Tony Lindgren , Benoit Cousson , Grant Likely , Hari Kanigeri , Suman Anna , Kevin Hilman , Arnd Bergmann , Paul Walmsley Subject: [PATCH v3 3/4] OMAP4: hwmod data: Add hwspinlock Date: Sat, 4 Dec 2010 01:50:46 +0200 Message-Id: <1291420247-18171-4-git-send-email-ohad@wizery.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1291420247-18171-1-git-send-email-ohad@wizery.com> References: <1291420247-18171-1-git-send-email-ohad@wizery.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, 03 Dec 2010 23:49:39 +0000 (UTC) diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index d258936..e577d54 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -1376,6 +1376,67 @@ static struct omap_hwmod omap44xx_gpio6_hwmod = { .slaves_cnt = ARRAY_SIZE(omap44xx_gpio6_slaves), .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; + +/* + * 'spinlock' class + * spinlock provides hardware assistance for synchronizing the processes + * running on multiple processors + */ + +static struct omap_hwmod_class_sysconfig omap44xx_spinlock_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY | + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap44xx_spinlock_hwmod_class = { + .name = "spinlock", + .sysc = &omap44xx_spinlock_sysc, +}; + +/* spinlock */ +static struct omap_hwmod omap44xx_spinlock_hwmod; +static struct omap_hwmod_addr_space omap44xx_spinlock_addrs[] = { + { + .pa_start = 0x4a0f6000, + .pa_end = 0x4a0f6fff, + .flags = ADDR_TYPE_RT + }, +}; + +/* l4_cfg -> spinlock */ +static struct omap_hwmod_ocp_if omap44xx_l4_cfg__spinlock = { + .master = &omap44xx_l4_cfg_hwmod, + .slave = &omap44xx_spinlock_hwmod, + .clk = "l4_div_ck", + .addr = omap44xx_spinlock_addrs, + .addr_cnt = ARRAY_SIZE(omap44xx_spinlock_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* spinlock slave ports */ +static struct omap_hwmod_ocp_if *omap44xx_spinlock_slaves[] = { + &omap44xx_l4_cfg__spinlock, +}; + +static struct omap_hwmod omap44xx_spinlock_hwmod = { + .name = "spinlock", + .class = &omap44xx_spinlock_hwmod_class, + .prcm = { + .omap4 = { + .clkctrl_reg = OMAP4430_CM_L4CFG_HW_SEM_CLKCTRL, + }, + }, + .slaves = omap44xx_spinlock_slaves, + .slaves_cnt = ARRAY_SIZE(omap44xx_spinlock_slaves), + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), +}; + static __initdata struct omap_hwmod *omap44xx_hwmods[] = { /* dmm class */ &omap44xx_dmm_hwmod, @@ -1418,6 +1479,9 @@ static __initdata struct omap_hwmod *omap44xx_hwmods[] = { &omap44xx_uart2_hwmod, &omap44xx_uart3_hwmod, &omap44xx_uart4_hwmod, + + /* spinlock class */ + &omap44xx_spinlock_hwmod, NULL, };