Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754121Ab1BBMFR (ORCPT ); Wed, 2 Feb 2011 07:05:17 -0500 Received: from mail-wy0-f174.google.com ([74.125.82.174]:45678 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754067Ab1BBMFL (ORCPT ); Wed, 2 Feb 2011 07:05:11 -0500 From: Ohad Ben-Cohen To: , , , Cc: Greg KH , Tony Lindgren , Benoit Cousson , Grant Likely , Suman Anna , Kevin Hilman , Arnd Bergmann , Paul Walmsley , Hari Kanigeri , Simon Que , Russell King Subject: [PATCH v5 3/4] OMAP4: hwmod data: Add hwspinlock Date: Wed, 2 Feb 2011 14:04:36 +0200 Message-Id: <1296648277-20128-4-git-send-email-ohad@wizery.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1296648277-20128-1-git-send-email-ohad@wizery.com> References: <1296648277-20128-1-git-send-email-ohad@wizery.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3059 Lines: 102 From: Benoit Cousson Add hwspinlock hwmod data for OMAP4 chip Signed-off-by: Cousson, Benoit Signed-off-by: Hari Kanigeri Signed-off-by: Ohad Ben-Cohen Cc: Paul Walmsley Acked-by: Tony Lindgren --- arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 63 ++++++++++++++++++++++++++++ 1 files changed, 63 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index c2806bd..e1c8e6d 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -2001,6 +2001,66 @@ static struct omap_hwmod omap44xx_wd_timer3_hwmod = { .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 */ @@ -2068,6 +2128,9 @@ static __initdata struct omap_hwmod *omap44xx_hwmods[] = { &omap44xx_wd_timer2_hwmod, &omap44xx_wd_timer3_hwmod, + + /* spinlock class */ + &omap44xx_spinlock_hwmod, NULL, }; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/