From patchwork Fri Jul 4 17:48:08 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomasz Figa X-Patchwork-Id: 4482521 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BD7259F358 for ; Fri, 4 Jul 2014 17:51:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D320420204 for ; Fri, 4 Jul 2014 17:51:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DB8E520357 for ; Fri, 4 Jul 2014 17:51:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759551AbaGDRtG (ORCPT ); Fri, 4 Jul 2014 13:49:06 -0400 Received: from mailout2.w1.samsung.com ([210.118.77.12]:25458 "EHLO mailout2.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759510AbaGDRtA (ORCPT ); Fri, 4 Jul 2014 13:49:00 -0400 Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout2.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N87004VE856EUA0@mailout2.w1.samsung.com>; Fri, 04 Jul 2014 18:48:42 +0100 (BST) X-AuditID: cbfec7f5-b7f626d000004b39-c9-53b6e909a5d6 Received: from eusync1.samsung.com ( [203.254.199.211]) by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id DA.DD.19257.909E6B35; Fri, 04 Jul 2014 18:48:57 +0100 (BST) Received: from AMDC1227.digital.local ([106.116.147.199]) by eusync1.samsung.com (Oracle Communications Messaging Server 7u4-23.01(7.0.4.23.0) 64bit (built Aug 10 2011)) with ESMTPA id <0N87000DO85CNK10@eusync1.samsung.com>; Fri, 04 Jul 2014 18:48:57 +0100 (BST) From: Tomasz Figa To: linux-samsung-soc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kukjin Kim , Arnd Bergmann , Olof Johansson , Marek Szyprowski , Mark Brown , =?UTF-8?q?Heiko=20St=C3=BCbner?= , Tomasz Figa Subject: [PATCH 08/19] ARM: s5pv210: Add board file for boot using Device Tree Date: Fri, 04 Jul 2014 19:48:08 +0200 Message-id: <1404496099-26708-9-git-send-email-t.figa@samsung.com> X-Mailer: git-send-email 1.9.3 In-reply-to: <1404496099-26708-1-git-send-email-t.figa@samsung.com> References: <1404496099-26708-1-git-send-email-t.figa@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprILMWRmVeSWpSXmKPExsVy+t/xy7qcL7cFGzTet7b4O+kYu8XUh0/Y LP4/es1q0bvgKpvFpsfXWC0u75rDZjHj/D4mi7VH7rJbnLr+mc1i1a4/jA5cHr9/TWL02Dnr LrvHplWdbB6bl9R7XDnRxOrRt2UVo8f2a/OYPT5vkgvgiOKySUnNySxLLdK3S+DKWDYhqeC5 XMWCpq/sDYyvJbsYOTkkBEwknk78zQZhi0lcuLceyObiEBJYyihx8Mt8Zginj0liz991jCBV bAJqEp8bHoF1iAioSnxuW8DexcjBwSxwm0miVRgkLCzgJ/FyzTsmEJsFqOT74TNgNq+Ak8Sn p28YIZbJSfRue8MMYnMKOEtMXHcBrEYIqObP//ksExh5FzAyrGIUTS1NLihOSs810itOzC0u zUvXS87P3cQICcavOxiXHrM6xCjAwajEw9vQsi1YiDWxrLgy9xCjBAezkgjvn1VAId6UxMqq 1KL8+KLSnNTiQ4xMHJxSDYxn+Ko0eN4e2DrjnP2X1kNrZ0qV+R7O0XrlqHbcpVYn68XZDOlA /5h5UZJXGhur5m40up3A5sYgtv/1Zhf3sC1vZrnm/a1TNt36wrDp2EYfvfQ07VcvIl9fMOmJ +nL89apTgen+/mknptUwfj71skVtuzzzgdrHGd+8g16cL3MRMpilwcfiwqrEUpyRaKjFXFSc CADcE/WJJAIAAA== Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 From: Mateusz Krawczuk This patch adds board file that will be used to boot S5PV210/S5PC110-based boards using Device Tree. Signed-off-by: Mateusz Krawczuk Signed-off-by: Kyungmin Park [t.figa: Rebased and cleaned-up a bit.] Signed-off-by: Tomasz Figa --- arch/arm/mach-s5pv210/Kconfig | 14 +++++++++ arch/arm/mach-s5pv210/Makefile | 2 +- arch/arm/mach-s5pv210/s5pv210.c | 68 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 83 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-s5pv210/s5pv210.c diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig index f60f286..ed492cf 100644 --- a/arch/arm/mach-s5pv210/Kconfig +++ b/arch/arm/mach-s5pv210/Kconfig @@ -194,6 +194,20 @@ config MACH_TORBRECK help Machine support for aESOP Torbreck +config MACH_S5PV210_DT + bool "Samsung S5PV210/S5PC110 machine using Device Tree" + select CLKSRC_OF + select CPU_S5PV210 + select PINCTRL + select PINCTRL_EXYNOS + select USE_OF + help + Machine support for Samsung S5PV210/S5PC110 machines with Device Tree + enabled. + Select this if a fdt blob is available for your S5PV210 SoC based + board. + Note: This is under development and not all peripherals can be + supported with this machine file. endmenu endif diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile index 08358bb..8d87b10 100644 --- a/arch/arm/mach-s5pv210/Makefile +++ b/arch/arm/mach-s5pv210/Makefile @@ -24,7 +24,7 @@ obj-$(CONFIG_MACH_GONI) += mach-goni.o obj-$(CONFIG_MACH_SMDKC110) += mach-smdkc110.o obj-$(CONFIG_MACH_SMDKV210) += mach-smdkv210.o obj-$(CONFIG_MACH_TORBRECK) += mach-torbreck.o - +obj-$(CONFIG_MACH_S5PV210_DT) += s5pv210.o # device support obj-y += dev-audio.o diff --git a/arch/arm/mach-s5pv210/s5pv210.c b/arch/arm/mach-s5pv210/s5pv210.c new file mode 100644 index 0000000..c244ccb --- /dev/null +++ b/arch/arm/mach-s5pv210/s5pv210.c @@ -0,0 +1,68 @@ +/* + * Samsung's S5PC110/S5PV210 flattened device tree enabled machine. + * + * Copyright (c) 2013-2014 Samsung Electronics Co., Ltd. + * Mateusz Krawczuk + * Tomasz Figa + * + * 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 + +static int __init s5pv210_fdt_map_sys(unsigned long node, const char *uname, + int depth, void *data) +{ + struct map_desc iodesc; + const __be32 *reg; + int len; + + if (!of_flat_dt_is_compatible(node, "samsung,s5pv210-clock")) + return 0; + + reg = of_get_flat_dt_prop(node, "reg", &len); + if (reg == NULL || len != (sizeof(unsigned long) * 2)) + return 0; + + iodesc.pfn = __phys_to_pfn(be32_to_cpu(reg[0])); + iodesc.length = be32_to_cpu(reg[1]) - 1; + iodesc.virtual = (unsigned long)S3C_VA_SYS; + iodesc.type = MT_DEVICE; + iotable_init(&iodesc, 1); + + return 1; +} + +static void __init s5pv210_dt_map_io(void) +{ + debug_ll_io_init(); + + of_scan_flat_dt(s5pv210_fdt_map_sys, NULL); +} + +static void s5pv210_dt_restart(enum reboot_mode mode, const char *cmd) +{ + __raw_writel(0x1, S5P_SWRESET); +} + +static char const *s5pv210_dt_compat[] __initconst = { + "samsung,s5pc110", + "samsung,s5pv210", + NULL +}; + +DT_MACHINE_START(S5PV210_DT, "Samsung S5PC110/S5PV210-based board") + .dt_compat = s5pv210_dt_compat, + .map_io = s5pv210_dt_map_io, + .restart = s5pv210_dt_restart, +MACHINE_END