From patchwork Thu Feb 11 16:06:19 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lars Persson X-Patchwork-Id: 8282211 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 09E5FBEEE5 for ; Thu, 11 Feb 2016 16:11:21 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EEEB0201C7 for ; Thu, 11 Feb 2016 16:11:19 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E636020380 for ; Thu, 11 Feb 2016 16:11:13 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aTtoH-0007Sq-5m; Thu, 11 Feb 2016 16:09:37 +0000 Received: from bastet.se.axis.com ([195.60.68.11]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aTtm1-0005Dz-HQ for linux-arm-kernel@lists.infradead.org; Thu, 11 Feb 2016 16:07:31 +0000 Received: from localhost (localhost [127.0.0.1]) by bastet.se.axis.com (Postfix) with ESMTP id 9F5A71814A; Thu, 11 Feb 2016 17:06:36 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at bastet.se.axis.com X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" Received: from bastet.se.axis.com ([IPv6:::ffff:127.0.0.1]) by localhost (bastet.se.axis.com [::ffff:127.0.0.1]) (amavisd-new, port 10024) with LMTP id bzb2mcrMq9z7; Thu, 11 Feb 2016 17:06:33 +0100 (CET) Received: from boulder.se.axis.com (boulder.se.axis.com [10.0.2.104]) by bastet.se.axis.com (Postfix) with ESMTP id 0A30D18153; Thu, 11 Feb 2016 17:06:33 +0100 (CET) Received: from boulder.se.axis.com (localhost [127.0.0.1]) by postfix.imss71 (Postfix) with ESMTP id E817C10FC; Thu, 11 Feb 2016 17:06:32 +0100 (CET) Received: from seth.se.axis.com (seth.se.axis.com [10.0.2.172]) by boulder.se.axis.com (Postfix) with ESMTP id DC717103B; Thu, 11 Feb 2016 17:06:32 +0100 (CET) Received: from lnxlarper1.se.axis.com (lnxlarper1.se.axis.com [10.88.41.2]) by seth.se.axis.com (Postfix) with ESMTP id D705D3E3EC; Thu, 11 Feb 2016 17:06:32 +0100 (CET) Received: by lnxlarper1.se.axis.com (Postfix, from userid 20456) id D3B4C800FB; Thu, 11 Feb 2016 17:06:32 +0100 (CET) From: Lars Persson To: arm@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH v3 4/6] arm: initial machine port for artpec-6 SoC Date: Thu, 11 Feb 2016 17:06:19 +0100 Message-Id: <3c22d68c2d091990c0f54df76344e1e7c16dd408.1455205057.git.larper@axis.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160211_080718_774856_67CB42C7 X-CRM114-Status: GOOD ( 13.97 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, Lars Persson , linux-kernel@vger.kernel.org, robh+dt@kernel.org, galak@codeaurora.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, 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 Basic machine port for the Artpec-6 SoC from Axis Communications. Signed-off-by: Lars Persson --- arch/arm/Kconfig | 2 + arch/arm/Makefile | 1 + arch/arm/mach-artpec/Kconfig | 20 ++++++++++ arch/arm/mach-artpec/Makefile | 1 + arch/arm/mach-artpec/board-artpec6.c | 72 ++++++++++++++++++++++++++++++++++++ 5 files changed, 96 insertions(+) create mode 100644 arch/arm/mach-artpec/Kconfig create mode 100644 arch/arm/mach-artpec/Makefile create mode 100644 arch/arm/mach-artpec/board-artpec6.c diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4f799e5..e1565dd 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -724,6 +724,8 @@ source "arch/arm/mach-mvebu/Kconfig" source "arch/arm/mach-alpine/Kconfig" +source "arch/arm/mach-artpec/Kconfig" + source "arch/arm/mach-asm9260/Kconfig" source "arch/arm/mach-at91/Kconfig" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index fe25410..4eb24c6 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -154,6 +154,7 @@ textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000 # Machine directory name. This list is sorted alphanumerically # by CONFIG_* macro name. machine-$(CONFIG_ARCH_ALPINE) += alpine +machine-$(CONFIG_ARCH_ARTPEC) += artpec machine-$(CONFIG_ARCH_AT91) += at91 machine-$(CONFIG_ARCH_AXXIA) += axxia machine-$(CONFIG_ARCH_BCM) += bcm diff --git a/arch/arm/mach-artpec/Kconfig b/arch/arm/mach-artpec/Kconfig new file mode 100644 index 0000000..6cbe5a2 --- /dev/null +++ b/arch/arm/mach-artpec/Kconfig @@ -0,0 +1,20 @@ +menuconfig ARCH_ARTPEC + bool "Axis Communications ARM based ARTPEC SoCs" + depends on ARCH_MULTI_V7 + +if ARCH_ARTPEC + +config MACH_ARTPEC6 + bool "Axis ARTPEC-6 ARM Cortex A9 Platform" + depends on ARCH_MULTI_V7 + select ARM_AMBA + select ARM_GIC + select ARM_GLOBAL_TIMER + select ARM_PSCI + select HAVE_ARM_ARCH_TIMER + select HAVE_ARM_SCU + select HAVE_ARM_TWD if SMP + help + Support for Axis ARTPEC-6 ARM Cortex A9 Platform + +endif diff --git a/arch/arm/mach-artpec/Makefile b/arch/arm/mach-artpec/Makefile new file mode 100644 index 0000000..78325f0 --- /dev/null +++ b/arch/arm/mach-artpec/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_MACH_ARTPEC6) := board-artpec6.o diff --git a/arch/arm/mach-artpec/board-artpec6.c b/arch/arm/mach-artpec/board-artpec6.c new file mode 100644 index 0000000..71513df --- /dev/null +++ b/arch/arm/mach-artpec/board-artpec6.c @@ -0,0 +1,72 @@ +/* + * ARTPEC-6 device support. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + + +#define ARTPEC6_DMACFG_REGNUM 0x10 +#define ARTPEC6_DMACFG_UARTS_BURST 0xff + +#define SECURE_OP_L2C_WRITEREG 0xb4000001 + +static void __init artpec6_init_machine(void) +{ + struct regmap *regmap; + + regmap = syscon_regmap_lookup_by_compatible("axis,artpec6-syscon"); + + if (!IS_ERR(regmap)) { + /* Use PL011 DMA Burst Request signal instead of DMA + * Single Request + */ + regmap_write(regmap, ARTPEC6_DMACFG_REGNUM, + ARTPEC6_DMACFG_UARTS_BURST); + }; + + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); +} + +static void artpec6_l2c310_write_sec(unsigned long val, unsigned reg) +{ + struct arm_smccc_res res; + + arm_smccc_smc(SECURE_OP_L2C_WRITEREG, reg, val, 0, + 0, 0, 0, 0, &res); + + WARN_ON(res.a0); +} + +static const char * const artpec6_dt_match[] = { + "axis,artpec6", + NULL +}; + +DT_MACHINE_START(ARTPEC6, "Axis ARTPEC-6 Platform") + .l2c_aux_val = 0x0C000000, + .l2c_aux_mask = 0xF3FFFFFF, + .l2c_write_sec = artpec6_l2c310_write_sec, + .init_machine = artpec6_init_machine, + .dt_compat = artpec6_dt_match, +MACHINE_END