Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965331Ab2JXUDs (ORCPT ); Wed, 24 Oct 2012 16:03:48 -0400 Received: from mailserver5.natinst.com ([130.164.80.5]:45393 "EHLO spamkiller05.natinst.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933694Ab2JXUDq (ORCPT ); Wed, 24 Oct 2012 16:03:46 -0400 Date: Wed, 24 Oct 2012 15:03:37 -0500 From: Josh Cartwright To: arm@kernel.org, Arnd Bergmann Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, John Linn , Nick Bowler , Michal Simek Subject: [PATCH v4 2/5] zynq: use pl310 device tree bindings Message-ID: <20121024200337.GC6713@beefymiracle.amer.corp.natinst.com> MIME-Version: 1.0 In-Reply-To: <20121024200222.GA6713@beefymiracle.amer.corp.natinst.com> User-Agent: Mutt/1.5.21 (2011-07-01) X-MIMETrack: Itemize by SMTP Server on MailServ58-US/AUS/H/NIC(Release 8.5.3FP2 HF169|September 14, 2012) at 10/24/2012 03:03:33 PM, Serialize by Router on MailServ58-US/AUS/H/NIC(Release 8.5.3FP2 HF169|September 14, 2012) at 10/24/2012 03:03:36 PM, Serialize complete at 10/24/2012 03:03:36 PM Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.7.7855,1.0.431,0.0.0000 definitions=2012-10-24_05:2012-10-24,2012-10-24,1970-01-01 signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2827 Lines: 92 The Zynq has a PL310 L2 cache controller. Convert in-tree uses to using the device tree. Signed-off-by: Josh Cartwright Cc: John Linn Acked-by: Arnd Bergmann --- arch/arm/boot/dts/zynq-ep107.dts | 9 +++++++++ arch/arm/mach-zynq/common.c | 9 +-------- arch/arm/mach-zynq/include/mach/zynq_soc.h | 4 ---- 3 files changed, 10 insertions(+), 12 deletions(-) diff --git a/arch/arm/boot/dts/zynq-ep107.dts b/arch/arm/boot/dts/zynq-ep107.dts index 7bfff4a..87204d7 100644 --- a/arch/arm/boot/dts/zynq-ep107.dts +++ b/arch/arm/boot/dts/zynq-ep107.dts @@ -44,6 +44,15 @@ <0xF8F00100 0x100>; }; + L2: cache-controller { + compatible = "arm,pl310-cache"; + reg = <0xF8F02000 0x1000>; + arm,data-latency = <2 3 2>; + arm,tag-latency = <2 3 2>; + cache-unified; + cache-level = <2>; + }; + uart0: uart@e0000000 { compatible = "xlnx,xuartps"; reg = <0xE0000000 0x1000>; diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c index d73963b..056091a 100644 --- a/arch/arm/mach-zynq/common.c +++ b/arch/arm/mach-zynq/common.c @@ -45,12 +45,10 @@ static struct of_device_id zynq_of_bus_ids[] __initdata = { */ static void __init xilinx_init_machine(void) { -#ifdef CONFIG_CACHE_L2X0 /* * 64KB way size, 8-way associativity, parity disabled */ - l2x0_init(PL310_L2CC_BASE, 0x02060000, 0xF0F0FFFF); -#endif + l2x0_of_init(0x02060000, 0xF0F0FFFF); of_platform_bus_probe(NULL, zynq_of_bus_ids, NULL); } @@ -83,11 +81,6 @@ static struct map_desc io_desc[] __initdata = { .pfn = __phys_to_pfn(SCU_PERIPH_PHYS), .length = SZ_8K, .type = MT_DEVICE, - }, { - .virtual = PL310_L2CC_VIRT, - .pfn = __phys_to_pfn(PL310_L2CC_PHYS), - .length = SZ_4K, - .type = MT_DEVICE, }, #ifdef CONFIG_DEBUG_LL diff --git a/arch/arm/mach-zynq/include/mach/zynq_soc.h b/arch/arm/mach-zynq/include/mach/zynq_soc.h index 3d1c6a6..218283a 100644 --- a/arch/arm/mach-zynq/include/mach/zynq_soc.h +++ b/arch/arm/mach-zynq/include/mach/zynq_soc.h @@ -25,9 +25,6 @@ #define TTC0_PHYS 0xF8001000 #define TTC0_VIRT TTC0_PHYS -#define PL310_L2CC_PHYS 0xF8F02000 -#define PL310_L2CC_VIRT PL310_L2CC_PHYS - #define SCU_PERIPH_PHYS 0xF8F00000 #define SCU_PERIPH_VIRT SCU_PERIPH_PHYS @@ -35,7 +32,6 @@ #define TTC0_BASE IOMEM(TTC0_VIRT) #define SCU_PERIPH_BASE IOMEM(SCU_PERIPH_VIRT) -#define PL310_L2CC_BASE IOMEM(PL310_L2CC_VIRT) /* * Mandatory for CONFIG_LL_DEBUG, UART is mapped virtual = physical -- 1.8.0 -- 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/