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[203.254.224.24]) by mx.google.com with ESMTP id rn8si28778340pbc.247.2012.06.20.04.01.21; Wed, 20 Jun 2012 04:01:22 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of rajeshwari.s@samsung.com designates 203.254.224.24 as permitted sender) client-ip=203.254.224.24; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of rajeshwari.s@samsung.com designates 203.254.224.24 as permitted sender) smtp.mail=rajeshwari.s@samsung.com Received: from epcpsbgm2.samsung.com (mailout1.samsung.com [203.254.224.24]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0M5W00LNSXA8ZL10@mailout1.samsung.com>; Wed, 20 Jun 2012 20:01:20 +0900 (KST) X-AuditID: cbfee61b-b7fcc6d000003a7a-4f-4fe1ad80e3c6 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 5F.86.14970.08DA1EF4; Wed, 20 Jun 2012 20:01:20 +0900 (KST) Received: from rajeshwari-linux.sisodomain.com ([107.108.215.115]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0M5W00K5GX52DC30@mmp1.samsung.com>; Wed, 20 Jun 2012 20:01:20 +0900 (KST) From: Rajeshwari Shinde To: u-boot@lists.denx.de Cc: patches@linaro.org, alim.akhtar@samsung.com, sjg@chromium.org, mk7.kang@samsung.com, chander.kashyap@linaro.org, dofmind@gmail.com Subject: [PATCH 3/9 V2] SMDK5250: Add smdk5250-uboot-spl.lds Date: Wed, 20 Jun 2012 16:32:57 +0530 Message-id: <1340190183-23526-4-git-send-email-rajeshwari.s@samsung.com> X-Mailer: git-send-email 1.7.4.4 In-reply-to: <1340190183-23526-1-git-send-email-rajeshwari.s@samsung.com> References: <1340190183-23526-1-git-send-email-rajeshwari.s@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrGJMWRmVeSWpSXmKPExsVy+t9jAd2GtQ/9DV5NNrJ4uP4mi8WUw19Y HJg87lzbwxbAGMVlk5Kak1mWWqRvl8CVsWjpDeaC35IV76c/Y29g7BHtYuTgkBAwkbizT7qL kRPIFJO4cG89WxcjF4eQwCJGiRXfOlkhnIlMEse/b2EGqWITMJLYenIaI4gtIiAh8av/KiNI EbNAB6PEpNNvwBLCAjYSaydsZQOxWQRUJbbf3QTWzCvgIfH1fwsrxDoFiWNTv7KCXMEp4Cnx 55QDiCkEVDL/RPgERt4FjAyrGEVTC5ILipPSc430ihNzi0vz0vWS83M3MYJ9/0x6B+OqBotD jAIcjEo8vNtWPPQXYk0sK67MPcQowcGsJMJb3gEU4k1JrKxKLcqPLyrNSS0+xCjNwaIkzttk fcFfSCA9sSQ1OzW1ILUIJsvEwSnVwLjmXL3X0lXWl00mHd1ywCJ4TctZxoxH83r/bo5p/Ce/ 6qLRwqtq0oLXWP1j+Zgqc45OFZQ99F27ftnbpP6Fi1c6xrVu/Vm0VsNs21aupihNhzjlbdbf OrOs03Mmlh/ycv996ZTrmUI9pQP2G5s28RQn2H3b9PJ6TmN5wdLod237bs9Vq9m4KVOJpTgj 0VCLuag4EQBoy/K7+QEAAA== X-TM-AS-MML: No X-Gm-Message-State: ALoCoQnoQFOnezGEYamdsaTDp0KPVwTG36yMgBx3g08TzF4uOgqupmh2A+X2hW3XrjsIKQI9cVx5 Default spl/u-boot-spl.lds created by spl/Makefile resolves the spl text load addr to 0x0. As 0x0 belongs to iROM addr so Global variables can not be used. Adding specific smdk5250-uboot-spl.lds makes possible to use Global Variables in spl. Signed-off-by: Alim Akhtar Signed-off-by: Rajeshwari Shinde --- Chnages in V2: - None board/samsung/smdk5250/smdk5250-uboot-spl.lds | 66 +++++++++++++++++++++++++ include/configs/smdk5250.h | 5 ++ 2 files changed, 71 insertions(+), 0 deletions(-) create mode 100644 board/samsung/smdk5250/smdk5250-uboot-spl.lds diff --git a/board/samsung/smdk5250/smdk5250-uboot-spl.lds b/board/samsung/smdk5250/smdk5250-uboot-spl.lds new file mode 100644 index 0000000..d78dd77 --- /dev/null +++ b/board/samsung/smdk5250/smdk5250-uboot-spl.lds @@ -0,0 +1,66 @@ +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, + * + * Copyright (C) 2012 Samsung Electronics + * + * Based on arch/arm/cpu/armv7/omap-common/u-boot-spl.lds + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE, \ + LENGTH = CONFIG_SPL_MAX_SIZE } + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) + +SECTIONS +{ + .text : + { + __start = .; + arch/arm/cpu/armv7/start.o (.text) + *(.text*) + } >.sram + . = ALIGN(4); + + .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram + . = ALIGN(4); + + .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram + . = ALIGN(4); + + /* Align .machine_param on 256 byte boundary for easier searching */ + .machine_param ALIGN(0x100) : { *(.machine_param) } >.sram + . = ALIGN(4); + + __image_copy_end = .; + _end = .; + + .bss : + { + . = ALIGN(4); + __bss_start = .; + *(.bss*) + . = ALIGN(4); + __bss_end__ = .; + } >.sram +} diff --git a/include/configs/smdk5250.h b/include/configs/smdk5250.h index 9659f9e..405abd5 100644 --- a/include/configs/smdk5250.h +++ b/include/configs/smdk5250.h @@ -105,6 +105,11 @@ #define CONFIG_SPL #define COPY_BL2_FNPTR_ADDR 0x02020030 +/* specific .lds file */ +#define CONFIG_SPL_LDSCRIPT "board/samsung/smdk5250/smdk5250-uboot-spl.lds" +#define CONFIG_SPL_TEXT_BASE 0x02023400 +#define CONFIG_SPL_MAX_SIZE (14 * 1024) + #define CONFIG_BOOTCOMMAND "mmc read 40007000 451 2000; bootm 40007000" /* Miscellaneous configurable options */