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[203.254.224.25]) by mx.google.com with ESMTP id ps5si8055395pbc.51.2012.06.29.04.57.25; Fri, 29 Jun 2012 04:57:26 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of rajeshwari.s@samsung.com designates 203.254.224.25 as permitted sender) client-ip=203.254.224.25; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of rajeshwari.s@samsung.com designates 203.254.224.25 as permitted sender) smtp.mail=rajeshwari.s@samsung.com Received: from epcpsbgm2.samsung.com (mailout2.samsung.com [203.254.224.25]) by mailout2.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0M6D00EY3NUV15F0@mailout2.samsung.com>; Fri, 29 Jun 2012 20:57:25 +0900 (KST) X-AuditID: cbfee61b-b7f776d000002f3f-3c-4fed9824922c Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id F3.84.12095.4289DEF4; Fri, 29 Jun 2012 20:57:24 +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 <0M6D00HDINUORD90@mmp1.samsung.com>; Fri, 29 Jun 2012 20:57:24 +0900 (KST) From: Rajeshwari Shinde To: u-boot@lists.denx.de Cc: patches@linaro.org, sjg@chromium.org, mk7.kang@samsung.com, chander.kashyap@linaro.org, alim.akhtar@samsung.com, dofmind@gmail.com, jh80.chung@samsung.com Subject: [PATCH 03/10 V3] SMDK5250: Add smdk5250-uboot-spl.lds Date: Fri, 29 Jun 2012 17:30:33 +0530 Message-id: <1340971240-18373-4-git-send-email-rajeshwari.s@samsung.com> X-Mailer: git-send-email 1.7.4.4 In-reply-to: <1340971240-18373-1-git-send-email-rajeshwari.s@samsung.com> References: <1340971240-18373-1-git-send-email-rajeshwari.s@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrGJMWRmVeSWpSXmKPExsVy+t9jAV2VGW/9Dd6eNrR4uP4mi8WUw19Y HJg87lzbwxbAGMVlk5Kak1mWWqRvl8CVsWH+M/aCaVIV+84ENjDOF+1i5OCQEDCR+PoyqIuR E8gUk7hwbz1bFyMXh5DAIkaJL51X2EASQgITmSR2PBcGsdkEjCS2npzGCGKLCEhI/Oq/ygjS wAzScLfnFztIQljATmLC9dVgNouAqsT5T9PABvEKeEgcPjWDGWKbgsSxqV9ZQWxOAU+J6bNX MEMs85A48/gYywRG3gWMDKsYRVMLkguKk9JzjfSKE3OLS/PS9ZLzczcxgn3/THoH46oGi0OM AhyMSjy8Iq1v/YVYE8uKK3MPMUpwMCuJ8K5oAQrxpiRWVqUW5ccXleakFh9ilOZgURLnbbK+ 4C8kkJ5YkpqdmlqQWgSTZeLglGpgXLe5e/WE0tt813bGr//7qWk1d27j6VP7rZ/nVdwW5fxv N2t1PDdfe+zC45NfFH2Q6dZ1/bh8gSHX9qkuNS6Hu6d+MC55ua9BYJqB+KEvPbNKPn+L0BUq 0fr/3/NSSNCb4H3RCtFFUdxtEW959/IwHZgxda76kYsrnDP91n6Zk+y22FdYZ9Xt2UosxRmJ hlrMRcWJADUPRNv5AQAA X-TM-AS-MML: No X-Gm-Message-State: ALoCoQlo1fiI/miXezHBWIfW126NMU7Pe+fhSaY281Fp+6YRBm1ui54rzEHQjc6Nea83SNlH6NOf 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 --- Changes in V2: - None. Changes in V3: - 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 */