From patchwork Mon Apr 28 19:30:32 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Russell King X-Patchwork-Id: 4081181 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 35A78BFF02 for ; Mon, 28 Apr 2014 19:31:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 31AD5200CC for ; Mon, 28 Apr 2014 19:31:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1766620179 for ; Mon, 28 Apr 2014 19:31:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932483AbaD1Tav (ORCPT ); Mon, 28 Apr 2014 15:30:51 -0400 Received: from gw-1.arm.linux.org.uk ([78.32.30.217]:55712 "EHLO pandora.arm.linux.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933021AbaD1Tau (ORCPT ); Mon, 28 Apr 2014 15:30:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=arm.linux.org.uk; s=pandora; h=Date:Sender:Message-Id:Subject:Cc:To:From:References:In-Reply-To; bh=toaILGNpL1tuNBrlCYR/bgRkhPi/jPq392Jm2GCTKEs=; b=A5PSp/QXasA9fo440QR+8nN73PqELoXzLb4ll2KwGk9mT1BlWmoBvQB7r/cD7Ft5s4RWpoLNRACi9ffZehCcsa9leil+CN1+ZmqIztzyX4pugT7o/BlyEVPGCS2u8OIR1mbfA2klQ0ZIJq1Nbtt1NqwkEfVfoRenJnjlKCg5pD4=; Received: from e0022681537dd.dyn.arm.linux.org.uk ([2002:4e20:1eda:1:222:68ff:fe15:37dd]:58395 helo=rmk-PC.arm.linux.org.uk) by pandora.arm.linux.org.uk with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (envelope-from ) id 1WerG6-0008AS-01; Mon, 28 Apr 2014 20:30:34 +0100 Received: from rmk by rmk-PC.arm.linux.org.uk with local (Exim 4.76) (envelope-from ) id 1WerG4-0001X4-Ic; Mon, 28 Apr 2014 20:30:32 +0100 In-Reply-To: <20140428192419.GV26756@n2100.arm.linux.org.uk> References: <20140428192419.GV26756@n2100.arm.linux.org.uk> From: Russell King To: linux-arm-kernel@lists.ifradead.org Cc: Sebastian Hesselbarth , Kukjin Kim , Tony Lindgren , Simon Horman , Magnus Damm , Viresh Kumar , Shiraz Hashim , Stephen Warren , Thierry Reding , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-omap@vger.kernel.org, linux-sh@vger.kernel.org, spear-devel@list.st.com, linux-tegra@vger.kernel.org Subject: [PATCH 51/97] ARM: l2c: remove platforms/SoCs setting early BRESP Message-Id: Date: Mon, 28 Apr 2014 20:30:32 +0100 Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Since we now automatically enable early BRESP in core L2C-310 code when we detect a Cortex-A9, we don't need platforms/SoCs to set this bit explicitly. Instead, they should seek to preserve the value of bit 30 in the auxiliary control register. Acked-by: Tony Lindgren Signed-off-by: Russell King Acked-by: Stephen Warren Acked-by: Simon Horman --- arch/arm/mach-berlin/berlin.c | 2 +- arch/arm/mach-exynos/exynos.c | 4 ++-- arch/arm/mach-omap2/omap4-common.c | 3 +-- arch/arm/mach-shmobile/board-armadillo800eva-reference.c | 4 ++-- arch/arm/mach-shmobile/board-armadillo800eva.c | 4 ++-- arch/arm/mach-shmobile/board-kzm9g-reference.c | 4 ++-- arch/arm/mach-shmobile/board-kzm9g.c | 4 ++-- arch/arm/mach-shmobile/setup-r8a7778.c | 4 ++-- arch/arm/mach-shmobile/setup-r8a7779.c | 4 ++-- arch/arm/mach-spear/spear13xx.c | 2 +- arch/arm/mach-tegra/tegra.c | 4 ++-- 11 files changed, 19 insertions(+), 20 deletions(-) diff --git a/arch/arm/mach-berlin/berlin.c b/arch/arm/mach-berlin/berlin.c index 025bcb5473eb..6709d2a6bec8 100644 --- a/arch/arm/mach-berlin/berlin.c +++ b/arch/arm/mach-berlin/berlin.c @@ -24,7 +24,7 @@ static void __init berlin_init_machine(void) * with DT probing for L2CCs, berlin_init_machine can be removed. * Note: 88DE3005 (Armada 1500-mini) uses pl310 l2cc */ - l2x0_of_init(0x70c00000, 0xfeffffff); + l2x0_of_init(0x30c00000, 0xfeffffff); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index b32a907d021d..e6828fb46034 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -32,8 +32,8 @@ #include "mfc.h" #include "regs-pmu.h" -#define L2_AUX_VAL 0x7C470001 -#define L2_AUX_MASK 0xC200ffff +#define L2_AUX_VAL 0x3c470001 +#define L2_AUX_MASK 0xc200ffff static struct map_desc exynos4_iodesc[] __initdata = { { diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index dc9844a55443..9ce52548a484 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -220,8 +220,7 @@ static int __init omap_l2_cache_init(void) L2C_AUX_CTRL_WAY_SIZE(3) | L2C_AUX_CTRL_SHARED_OVERRIDE | L310_AUX_CTRL_DATA_PREFETCH | - L310_AUX_CTRL_INSTR_PREFETCH | - L310_AUX_CTRL_EARLY_BRESP; + L310_AUX_CTRL_INSTR_PREFETCH; outer_cache.write_sec = omap4_l2c310_write_sec; if (of_have_populated_dt()) diff --git a/arch/arm/mach-shmobile/board-armadillo800eva-reference.c b/arch/arm/mach-shmobile/board-armadillo800eva-reference.c index 57d1a78367b6..34e7f3c17dd2 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva-reference.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva-reference.c @@ -164,8 +164,8 @@ static void __init eva_init(void) r8a7740_meram_workaround(); #ifdef CONFIG_CACHE_L2X0 - /* Early BRESP enable, Shared attribute override enable, 32K*8way */ - l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff); + /* Shared attribute override enable, 32K*8way */ + l2x0_init(IOMEM(0xf0002000), 0x00440000, 0xc2000fff); #endif r8a7740_add_standard_devices_dt(); diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index 2858f380beae..7688990edd3a 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -1270,8 +1270,8 @@ static void __init eva_init(void) #ifdef CONFIG_CACHE_L2X0 - /* Early BRESP enable, Shared attribute override enable, 32K*8way */ - l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff); + /* Shared attribute override enable, 32K*8way */ + l2x0_init(IOMEM(0xf0002000), 0x00440000, 0xc2000fff); #endif i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices)); diff --git a/arch/arm/mach-shmobile/board-kzm9g-reference.c b/arch/arm/mach-shmobile/board-kzm9g-reference.c index 598e32488410..85873f186d77 100644 --- a/arch/arm/mach-shmobile/board-kzm9g-reference.c +++ b/arch/arm/mach-shmobile/board-kzm9g-reference.c @@ -36,8 +36,8 @@ static void __init kzm_init(void) sh73a0_add_standard_devices_dt(); #ifdef CONFIG_CACHE_L2X0 - /* Early BRESP enable, Shared attribute override enable, 64K*8way */ - l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); + /* Shared attribute override enable, 64K*8way */ + l2x0_init(IOMEM(0xf0100000), 0x00460000, 0xc2000fff); #endif } diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index 03dc3ac84502..ea9bf39fdc10 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -876,8 +876,8 @@ static void __init kzm_init(void) gpio_request_one(223, GPIOF_IN, NULL); /* IRQ8 */ #ifdef CONFIG_CACHE_L2X0 - /* Early BRESP enable, Shared attribute override enable, 64K*8way */ - l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); + /* Shared attribute override enable, 64K*8way */ + l2x0_init(IOMEM(0xf0100000), 0x00460000, 0xc2000fff); #endif i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices)); diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c index 6d694526e4ca..3a8e5316671e 100644 --- a/arch/arm/mach-shmobile/setup-r8a7778.c +++ b/arch/arm/mach-shmobile/setup-r8a7778.c @@ -298,10 +298,10 @@ void __init r8a7778_add_dt_devices(void) void __iomem *base = ioremap_nocache(0xf0100000, 0x1000); if (base) { /* - * Early BRESP enable, Shared attribute override enable, 64K*16way + * Shared attribute override enable, 64K*16way * don't call iounmap(base) */ - l2x0_init(base, 0x40470000, 0x82000fff); + l2x0_init(base, 0x00470000, 0xc2000fff); } #endif diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c index 8e860b36997a..91c90bf0ae83 100644 --- a/arch/arm/mach-shmobile/setup-r8a7779.c +++ b/arch/arm/mach-shmobile/setup-r8a7779.c @@ -700,8 +700,8 @@ static struct platform_device *r8a7779_standard_devices[] __initdata = { void __init r8a7779_add_standard_devices(void) { #ifdef CONFIG_CACHE_L2X0 - /* Early BRESP enable, Shared attribute override enable, 64K*16way */ - l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff); + /* Shared attribute override enable, 64K*16way */ + l2x0_init(IOMEM(0xf0100000), 0x00470000, 0xc2000fff); #endif r8a7779_pm_init(); diff --git a/arch/arm/mach-spear/spear13xx.c b/arch/arm/mach-spear/spear13xx.c index 92860fa01668..dcb300443b66 100644 --- a/arch/arm/mach-spear/spear13xx.c +++ b/arch/arm/mach-spear/spear13xx.c @@ -46,7 +46,7 @@ void __init spear13xx_l2x0_init(void) */ writel_relaxed(0x221, VA_L2CC_BASE + L310_TAG_LATENCY_CTRL); writel_relaxed(0x441, VA_L2CC_BASE + L310_DATA_LATENCY_CTRL); - l2x0_init(VA_L2CC_BASE, 0x70A60001, 0xfe00ffff); + l2x0_init(VA_L2CC_BASE, 0x30a60001, 0xfe00ffff); } /* diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c index 6191603379e1..ecbb5411a104 100644 --- a/arch/arm/mach-tegra/tegra.c +++ b/arch/arm/mach-tegra/tegra.c @@ -89,9 +89,9 @@ static void __init tegra_init_cache(void) cache_type = readl(p + L2X0_CACHE_TYPE); aux_ctrl = (cache_type & 0x700) << (17-8); - aux_ctrl |= 0x7C400001; + aux_ctrl |= 0x3c400001; - ret = l2x0_of_init(aux_ctrl, 0x8200c3fe); + ret = l2x0_of_init(aux_ctrl, 0xc200c3fe); if (!ret) l2x0_saved_regs_addr = virt_to_phys(&l2x0_saved_regs); #endif