From patchwork Mon Sep 26 07:20:50 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Guo X-Patchwork-Id: 4324 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id 3F77923FBA for ; Mon, 26 Sep 2011 07:11:47 +0000 (UTC) Received: from mail-fx0-f52.google.com (mail-fx0-f52.google.com [209.85.161.52]) by fiordland.canonical.com (Postfix) with ESMTP id 3196DA1857C for ; Mon, 26 Sep 2011 07:11:47 +0000 (UTC) Received: by fxe23 with SMTP id 23so7939631fxe.11 for ; Mon, 26 Sep 2011 00:11:47 -0700 (PDT) Received: by 10.223.5.76 with SMTP id 12mr9972507fau.103.1317021107015; Mon, 26 Sep 2011 00:11:47 -0700 (PDT) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.152.3.234 with SMTP id f10cs27663laf; Mon, 26 Sep 2011 00:11:46 -0700 (PDT) Received: by 10.229.40.17 with SMTP id i17mr4514913qce.205.1317021105955; Mon, 26 Sep 2011 00:11:45 -0700 (PDT) Received: from TX2EHSOBE003.bigfish.com (tx2ehsobe002.messaging.microsoft.com. [65.55.88.12]) by mx.google.com with ESMTPS id v16si4588751qca.70.2011.09.26.00.11.45 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 26 Sep 2011 00:11:45 -0700 (PDT) Received-SPF: neutral (google.com: 65.55.88.12 is neither permitted nor denied by best guess record for domain of shawn.guo@linaro.org) client-ip=65.55.88.12; Authentication-Results: mx.google.com; spf=neutral (google.com: 65.55.88.12 is neither permitted nor denied by best guess record for domain of shawn.guo@linaro.org) smtp.mail=shawn.guo@linaro.org Received: from mail29-tx2-R.bigfish.com (10.9.14.252) by TX2EHSOBE003.bigfish.com (10.9.40.23) with Microsoft SMTP Server id 14.1.225.22; Mon, 26 Sep 2011 07:11:41 +0000 Received: from mail29-tx2 (localhost.localdomain [127.0.0.1]) by mail29-tx2-R.bigfish.com (Postfix) with ESMTP id CBC281A102DF; Mon, 26 Sep 2011 07:11:41 +0000 (UTC) X-SpamScore: 0 X-BigFish: VS0(zzzz1202hzz8275dhz2dh87h2a8h668h839h61h) X-Spam-TCS-SCL: 0:0 X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPVD:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-FB-DOMAIN-IP-MATCH: fail Received: from mail29-tx2 (localhost.localdomain [127.0.0.1]) by mail29-tx2 (MessageSwitch) id 1317021101446160_1165; Mon, 26 Sep 2011 07:11:41 +0000 (UTC) Received: from TX2EHSMHS024.bigfish.com (unknown [10.9.14.252]) by mail29-tx2.bigfish.com (Postfix) with ESMTP id 59562A9804F; Mon, 26 Sep 2011 07:11:41 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by TX2EHSMHS024.bigfish.com (10.9.99.124) with Microsoft SMTP Server (TLS) id 14.1.225.22; Mon, 26 Sep 2011 07:11:40 +0000 Received: from az33smr01.freescale.net (10.64.34.199) by 039-SN1MMR1-003.039d.mgd.msft.net (10.84.1.16) with Microsoft SMTP Server id 14.1.323.7; Mon, 26 Sep 2011 02:11:39 -0500 Received: from S2100-06.ap.freescale.net (S2100-06.ap.freescale.net [10.192.242.125]) by az33smr01.freescale.net (8.13.1/8.13.0) with ESMTP id p8Q7BPwO026498; Mon, 26 Sep 2011 02:11:37 -0500 (CDT) From: Shawn Guo To: Arnd Bergmann , Sascha Hauer CC: , , Shawn Guo Subject: [PATCH v3 5/6] arm/imx6q: add device tree machine support Date: Mon, 26 Sep 2011 15:20:50 +0800 Message-ID: <1317021651-17359-6-git-send-email-shawn.guo@linaro.org> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1317021651-17359-1-git-send-email-shawn.guo@linaro.org> References: <1317021651-17359-1-git-send-email-shawn.guo@linaro.org> MIME-Version: 1.0 X-OriginatorOrg: sigmatel.com It adds generic device tree based machine support for imx6q. Signed-off-by: Shawn Guo --- arch/arm/mach-imx/Makefile | 2 +- arch/arm/mach-imx/mach-imx6q.c | 84 +++++++++++++++++++++++++++++++ arch/arm/mm/Kconfig | 2 +- arch/arm/plat-mxc/include/mach/common.h | 13 +++++ 4 files changed, 99 insertions(+), 2 deletions(-) create mode 100644 arch/arm/mach-imx/mach-imx6q.c diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index d46b2e7..16737ba 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -70,4 +70,4 @@ obj-$(CONFIG_CPU_V7) += head-v7.o obj-$(CONFIG_SMP) += platsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o -obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o +obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o mach-imx6q.o diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c new file mode 100644 index 0000000..8bf5fa3 --- /dev/null +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -0,0 +1,84 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static void __init imx6q_init_machine(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + + imx6q_pm_init(); +} + +static void __init imx6q_map_io(void) +{ + imx_lluart_map_io(); + imx_scu_map_io(); +} + +static void __init imx6q_gpio_add_irq_domain(struct device_node *np, + struct device_node *interrupt_parent) +{ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - + 32 * 7; /* imx6q gets 7 gpio ports */ + + irq_domain_add_simple(np, gpio_irq_base); + gpio_irq_base += 32; +} + +static const struct of_device_id imx6q_irq_match[] __initconst = { + { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, }, + { .compatible = "fsl,imx6q-gpio", .data = imx6q_gpio_add_irq_domain, }, + { /* sentinel */ } +}; + +static void __init imx6q_init_irq(void) +{ + l2x0_of_init(0, ~0UL); + imx_src_init(); + imx_gpc_init(); + of_irq_init(imx6q_irq_match); +} + +static void __init imx6q_timer_init(void) +{ + mx6q_clocks_init(); +} + +static struct sys_timer imx6q_timer = { + .init = imx6q_timer_init, +}; + +static const char *imx6q_dt_compat[] __initdata = { + "fsl,imx6q-sabreauto", + NULL, +}; + +DT_MACHINE_START(IMX6Q, "Freescale i.MX6 Quad (Device Tree)") + .map_io = imx6q_map_io, + .init_irq = imx6q_init_irq, + .handle_irq = imx6q_handle_irq, + .timer = &imx6q_timer, + .init_machine = imx6q_init_machine, + .dt_compat = imx6q_dt_compat, +MACHINE_END diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 88633fe..c3ce146 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -822,7 +822,7 @@ config CACHE_L2X0 REALVIEW_EB_A9MP || SOC_IMX35 || SOC_IMX31 || MACH_REALVIEW_PBX || \ ARCH_NOMADIK || ARCH_OMAP4 || ARCH_EXYNOS4 || ARCH_TEGRA || \ ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || ARCH_SHMOBILE || \ - ARCH_PRIMA2 || ARCH_ZYNQ || ARCH_CNS3XXX + ARCH_PRIMA2 || ARCH_ZYNQ || ARCH_CNS3XXX || ARCH_MX6 default y select OUTER_CACHE select OUTER_CACHE_SYNC diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index 5b24f5d..2c2eafa 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -64,6 +64,7 @@ extern int mx51_clocks_init(unsigned long ckil, unsigned long osc, unsigned long ckih1, unsigned long ckih2); extern int mx53_clocks_init(unsigned long ckil, unsigned long osc, unsigned long ckih1, unsigned long ckih2); +extern int mx6q_clocks_init(void); extern struct platform_device *mxc_register_gpio(char *name, int id, resource_size_t iobase, resource_size_t iosize, int irq, int irq_high); extern int mxc_register_device(struct platform_device *pdev, void *data); @@ -90,7 +91,19 @@ void gic_handle_irq(struct pt_regs *); extern void imx_enable_cpu(int cpu, bool enable); extern void imx_set_cpu_jump(int cpu, void *jump_addr); +#ifdef CONFIG_DEBUG_LL +extern void imx_lluart_map_io(void); +#else +static inline void imx_lluart_map_io(void) {} +#endif #ifdef CONFIG_SMP extern void v7_secondary_startup(void); +extern void imx_scu_map_io(void); +#else +static inline void imx_scu_map_io(void) {} #endif +extern void imx_enable_cpu(int cpu, bool enable); +extern void imx_set_cpu_jump(int cpu, void *jump_addr); +extern void imx_src_init(void); +extern void imx_gpc_init(void); #endif