From patchwork Wed Dec 3 00:12:09 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 5425611 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 [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 057F0BEEA8 for ; Wed, 3 Dec 2014 00:20:34 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0828820270 for ; Wed, 3 Dec 2014 00:20:33 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F1CA520254 for ; Wed, 3 Dec 2014 00:20:31 +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 1Xvxdk-0000Ml-23; Wed, 03 Dec 2014 00:17:56 +0000 Received: from mail.kmu-office.ch ([178.209.48.109]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XvxZ5-00049Y-OK for linux-arm-kernel@lists.infradead.org; Wed, 03 Dec 2014 00:13:11 +0000 Received: from trochilidae.toradex.int (195-226-23-137.pool.cyberlink.ch [195.226.23.137]) by mail.kmu-office.ch (Postfix) with ESMTPSA id 059305E36DB; Wed, 3 Dec 2014 01:11:49 +0100 (CET) From: Stefan Agner To: shawn.guo@linaro.org, kernel@pengutronix.de, linux@arm.linux.org.uk, u.kleine-koenig@pengutronix.de, jason@lakedaemon.net, olof@lixom.net, arnd@arndb.de, daniel.lezcano@linaro.org, tglx@linutronix.de, mark.rutland@arm.com, pawel.moll@arm.com, robh+dt@kernel.org, ijc+devicetree@hellion.org.uk, galak@codeaurora.org Subject: [PATCH 10/12] ARM: vf610m4: add new machine and SoC for Vybrid on Cortex-M4 Date: Wed, 3 Dec 2014 01:12:09 +0100 Message-Id: <1417565531-4507-11-git-send-email-stefan@agner.ch> X-Mailer: git-send-email 2.1.3 In-Reply-To: <1417565531-4507-1-git-send-email-stefan@agner.ch> References: <1417565531-4507-1-git-send-email-stefan@agner.ch> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141202_161308_168012_51B70548 X-CRM114-Status: GOOD ( 16.17 ) X-Spam-Score: 0.0 (/) Cc: devicetree@vger.kernel.org, Stefan Agner , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, T_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 This patch adds a new machine MACH_MXCM4 which requires !MMU and !MULTIARCH and is meant as machine for the hetregenous multi-core Vybrid/i.MX SoC's to run Linux on the Cortex-M4. The first SoC supported is Vybrid on Cortex-M4 (SOC_VF610M4). Signed-off-by: Stefan Agner --- arch/arm/Kconfig | 12 ++++++++++++ arch/arm/Kconfig.debug | 4 ++-- arch/arm/Makefile | 1 + arch/arm/mach-imx/Kconfig | 29 ++++++++++++++++++++++++++--- arch/arm/mach-imx/Makefile | 1 + arch/arm/mach-imx/Makefile.boot | 0 arch/arm/mach-imx/mach-vf610m4.c | 31 +++++++++++++++++++++++++++++++ drivers/mmc/host/Kconfig | 2 +- drivers/pinctrl/freescale/Kconfig | 2 +- 9 files changed, 75 insertions(+), 7 deletions(-) create mode 100644 arch/arm/mach-imx/Makefile.boot create mode 100644 arch/arm/mach-imx/mach-vf610m4.c diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 89c4b5c..fdebe18 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -459,6 +459,18 @@ config ARCH_FOOTBRIDGE Support for systems based on the DC21285 companion chip ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. +menuconfig ARCH_MXCM4 + bool "Freescale Vybrid/i.MX family on Cortex-M4" if !MMU + select ARCH_REQUIRE_GPIOLIB + select ARM_CPU_SUSPEND if PM + select CLKSRC_MMIO + select GENERIC_IRQ_CHIP + select PINCTRL + select PM_OPP if PM + select SOC_BUS + help + Support for Freescale Vybrid/iMX-based family of processors on Cortex-M4 + config ARCH_NETX bool "Hilscher NetX based" select ARM_VIC diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 03dc4c1..f479727 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -459,7 +459,7 @@ choice config DEBUG_VF_UART bool "Vybrid UART" - depends on SOC_VF610 + depends on SOC_VF610 || SOC_VF610M4 help Say Y here if you want kernel low-level debugging support on Vybrid based platforms. @@ -1026,7 +1026,7 @@ config DEBUG_VF_UART_PORT int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART default 1 range 0 3 - depends on SOC_VF610 + depends on SOC_VF610 || SOC_VF610M4 help Choose UART port on which kernel low-level debug messages should be output. diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 034a949..0b84168 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -174,6 +174,7 @@ machine-$(CONFIG_ARCH_MSM) += msm machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0 machine-$(CONFIG_ARCH_MVEBU) += mvebu machine-$(CONFIG_ARCH_MXC) += imx +machine-$(CONFIG_ARCH_MXCM4) += imx machine-$(CONFIG_ARCH_MEDIATEK) += mediatek machine-$(CONFIG_ARCH_MXS) += mxs machine-$(CONFIG_ARCH_NETX) += netx diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 2935972..56635d5 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -1,3 +1,6 @@ +config HAVE_VF610_MSCM + bool + menuconfig ARCH_MXC bool "Freescale i.MX family" if ARCH_MULTI_V4_V5 || ARCH_MULTI_V6_V7 select ARCH_REQUIRE_GPIOLIB @@ -58,9 +61,6 @@ config HAVE_IMX_SRC def_bool y if SMP select ARCH_HAS_RESET_CONTROLLER -config HAVE_VF610_MSCM - bool - config IMX_HAVE_IOMUX_V1 bool @@ -677,3 +677,26 @@ endif source "arch/arm/mach-imx/devices/Kconfig" endif + +if !MMU && ARCH_MXCM4 + +config SOC_VF610M4 + bool "Vybrid Family VF610 support for Cortex-M4" + select HAVE_VF610_MSCM + select ARCH_REQUIRE_GPIOLIB + select PINCTRL_VF610 + select PINCTRL_IMX + select ARM_NVIC + select AUTO_ZRELADDR + select CPU_V7M + select COMMON_CLK + select GENERIC_CLOCKEVENTS + select NO_DMA + select NO_IOPORT_MAP + select SPARSE_IRQ + select USE_OF + select VF_PIT_TIMER + help + Support for Vybrid Familiy VF610's Cortex-M4 + +endif diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 82b1159..21fb423 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -110,6 +110,7 @@ obj-$(CONFIG_SOC_IMX53) += mach-imx53.o obj-$(CONFIG_HAVE_VF610_MSCM) += mscm-vf610.o obj-$(CONFIG_SOC_VF610) += clk-vf610.o mach-vf610.o +obj-$(CONFIG_SOC_VF610M4) += clk-vf610.o mach-vf610m4.o obj-$(CONFIG_SOC_LS1021A) += mach-ls1021a.o diff --git a/arch/arm/mach-imx/Makefile.boot b/arch/arm/mach-imx/Makefile.boot new file mode 100644 index 0000000..e69de29 diff --git a/arch/arm/mach-imx/mach-vf610m4.c b/arch/arm/mach-imx/mach-vf610m4.c new file mode 100644 index 0000000..245788f --- /dev/null +++ b/arch/arm/mach-imx/mach-vf610m4.c @@ -0,0 +1,31 @@ +/* + * Copyright 2014 Stefan Agner + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include +#include +#include +#include +#include "common.h" + +static void __init vf610m4_init_irq(void) +{ + vf610_mscm_init(); + irqchip_init(); +} + +static const char *const vf610m4_compat[] __initconst = { + "fsl,vf610m4", + NULL +}; + +DT_MACHINE_START(VF610M4DT, "VF610 on Cortex-M4 (Device Tree Support)") + .dt_compat = vf610m4_compat, + .init_irq = vf610m4_init_irq, + .restart = armv7m_restart, +MACHINE_END diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 1386065..bfbec2d 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -166,7 +166,7 @@ config MMC_SDHCI_CNS3XXX config MMC_SDHCI_ESDHC_IMX tristate "SDHCI support for the Freescale eSDHC/uSDHC i.MX controller" - depends on ARCH_MXC + depends on ARCH_MXC || ARCH_MXCM4 depends on MMC_SDHCI_PLTFM select MMC_SDHCI_IO_ACCESSORS help diff --git a/drivers/pinctrl/freescale/Kconfig b/drivers/pinctrl/freescale/Kconfig index 16aac38..5271ca2 100644 --- a/drivers/pinctrl/freescale/Kconfig +++ b/drivers/pinctrl/freescale/Kconfig @@ -89,7 +89,7 @@ config PINCTRL_IMX6SX config PINCTRL_VF610 bool "Freescale Vybrid VF610 pinctrl driver" - depends on SOC_VF610 + depends on SOC_VF610 || SOC_VF610M4 select PINCTRL_IMX help Say Y here to enable the Freescale Vybrid VF610 pinctrl driver