From patchwork Wed Jun 20 11:02:55 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajeshwari Birje X-Patchwork-Id: 166002 X-Patchwork-Delegate: promsoft@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 9C396B6F9F for ; Wed, 20 Jun 2012 21:00:16 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 4BC87280C0; Wed, 20 Jun 2012 13:00:15 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0OLbaLeY2tvh; Wed, 20 Jun 2012 13:00:15 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id AA266280B7; Wed, 20 Jun 2012 13:00:12 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 5DF13280B7 for ; Wed, 20 Jun 2012 13:00:10 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HL7lKndS-QWM for ; Wed, 20 Jun 2012 13:00:09 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mailout3.samsung.com (mailout3.samsung.com [203.254.224.33]) by theia.denx.de (Postfix) with ESMTP id C8F06280B5 for ; Wed, 20 Jun 2012 13:00:07 +0200 (CEST) Received: from epcpsbgm2.samsung.com (mailout3.samsung.com [203.254.224.33]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0M5W005O0X7Y0280@mailout3.samsung.com> for u-boot@lists.denx.de; Wed, 20 Jun 2012 20:00:05 +0900 (KST) X-AuditID: cbfee61b-b7fcc6d000003a7a-47-4fe1ad340c66 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id FA.46.14970.43DA1EF4; Wed, 20 Jun 2012 20:00:05 +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> for u-boot@lists.denx.de; Wed, 20 Jun 2012 20:00:04 +0900 (KST) From: Rajeshwari Shinde To: u-boot@lists.denx.de Date: Wed, 20 Jun 2012 16:32:55 +0530 Message-id: <1340190183-23526-2-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+NgFnrIJMWRmVeSWpSXmKPExsVy+t9jAV3TtQ/9DbpXs1m83dvJ7sDocfbO DsYAxigum5TUnMyy1CJ9uwSujMu7dAtalCuWLtnN3sD4S7qLkZNDQsBE4tDEvcwQtpjEhXvr 2boYuTiEBBYxSjx6+YUVwlnFJPFs7SEmkCo2ASOJrSenMYLYIgISEr/6rzKCFDELdDBKTDr9 BiwhLOAscaL7NBuIzSKgKnF82lMWEJtXwEOic9kNJoh1ChLHpn4F2sDBwSngKfHnlAOIKQRU Mv9E+ARG3gWMDKsYRVMLkguKk9JzjfSKE3OLS/PS9ZLzczcxgj3+THoH46oGi0OMAhyMSjy8 21Y89BdiTSwrrsw9xCjBwawkwlveARTiTUmsrEotyo8vKs1JLT7EKM3BoiTO22R9wV9IID2x JDU7NbUgtQgmy8TBKdXAaBL1LmKpu4fQ8lM/yzqDVrpo5K19+LQ38LxlctaDvALu83zt6mpO rcKbfrP99v29WLzE/VMf04PHM90YCkXk9ybZaz5faiNeWZR6Wm13mtRD7SJHrct3GgVjJq99 82zTUsPDNtySm/wYeWddic61q3ujYuHOP8Xf+Ejjr4zCLGMG88KSqj1KLMUZiYZazEXFiQDo 8HgF9AEAAA== X-TM-AS-MML: No Cc: patches@linaro.org, alim.akhtar@samsung.com Subject: [U-Boot] [PATCH 1/9 V2] ARCH: SPL: Add parametric board initializer X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de Add a structure for table-driven configuration mechanism such that no recompilation is needed to update the configuration parameters, rather than hard-coding board initialization parameters. Signed-off-by: Che-Liang Chiou Signed-off-by: Abhilash Kesavan Signed-off-by: Tom Wai-Hong Tam Signed-off-by: Simon Glass Signed-off-by: Rajeshwari Shinde --- Changes in V2: - Included Paramateric structure with in #ifndef __ASSEMBLY__. arch/arm/include/asm/arch-exynos/spl.h | 97 ++++++++++++++++++++++++++++++++ 1 files changed, 97 insertions(+), 0 deletions(-) create mode 100644 arch/arm/include/asm/arch-exynos/spl.h diff --git a/arch/arm/include/asm/arch-exynos/spl.h b/arch/arm/include/asm/arch-exynos/spl.h new file mode 100644 index 0000000..306b41d --- /dev/null +++ b/arch/arm/include/asm/arch-exynos/spl.h @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2012 The Chromium OS Authors. + * + * 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 + */ + +#ifndef __ASM_ARCH_EXYNOS_SPL_H__ +#define __ASM_ARCH_EXYNOS_SPL_H__ + +#include + +enum boot_mode { + /* + * Assign the OM pin values for respective boot modes. + * Exynos4 does not support spi boot and the mmc boot OM + * pin values are the same across Exynos4 and Exynos5. + */ + BOOT_MODE_MMC = 4, + BOOT_MODE_SERIAL = 20, + /* Boot based on Operating Mode pin settings */ + BOOT_MODE_OM = 32, + BOOT_MODE_USB, /* Boot using USB download */ +}; + +#ifndef __ASSEMBLY__ +/* Parameters of early board initialization in SPL */ +struct spl_machine_param { + /* Add fields as and when required */ + u32 signature; + u32 version; /* Version number */ + u32 size; /* Size of block */ + /** + * Parameters we expect, in order, terminated with \0. Each parameter + * is a single character representing one 32-bit word in this + * structure. + * + * Valid characters in this string are: + * + * Code Name + * v mem_iv_size + * m mem_type + * u uboot_size + * b boot_source + * f frequency_mhz (memory frequency in MHz) + * a ARM clock frequency in MHz + * s serial base address + * i i2c base address for early access (meant for PMIC) + * r board rev GPIO numbers used to read board revision + * (lower halfword=bit 0, upper=bit 1) + * M Memory Manufacturer name + * \0 termination + */ + char params[12]; /* Length must be word-aligned */ + u32 mem_iv_size; /* Memory channel interleaving size */ + enum ddr_mode mem_type; /* Type of on-board memory */ + /* + * U-boot size - The iROM mmc copy function used by the SPL takes a + * block count paramter to describe the u-boot size unlike the spi + * boot copy function which just uses the u-boot size directly. Align + * the u-boot size to block size (512 bytes) when populating the SPL + * table only for mmc boot. + */ + u32 uboot_size; + enum boot_mode boot_source; /* Boot device */ + enum mem_manuf mem_manuf; /* Memory Manufacturer */ + unsigned frequency_mhz; /* Frequency of memory in MHz */ + unsigned arm_freq_mhz; /* ARM Frequency in MHz */ + u32 serial_base; /* Serial base address */ + u32 i2c_base; /* i2c base address */ +} __attribute__((__packed__)); +#endif + +/** + * Validate signature and return a pointer to the parameter table. If the + * signature is invalid, call panic() and never return. + * + * @return pointer to the parameter table if signature matched or never return. + */ +struct spl_machine_param *spl_get_machine_params(void); + +#endif /* __ASM_ARCH_EXYNOS_SPL_H__ */