From patchwork Wed Jun 26 14:04:28 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dirk Eibach X-Patchwork-Id: 254760 X-Patchwork-Delegate: sr@denx.de 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 171A32C0091 for ; Thu, 27 Jun 2013 00:08:01 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 0F5AD4A032; Wed, 26 Jun 2013 16:06:47 +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 xgboY-1Stq63; Wed, 26 Jun 2013 16:06:46 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id B97604A0F4; Wed, 26 Jun 2013 16:05:48 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 925BC4A095 for ; Wed, 26 Jun 2013 16:05:37 +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 V48eKLmeXAJY for ; Wed, 26 Jun 2013 16:05:35 +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 smtprelay03.ispgateway.de (smtprelay03.ispgateway.de [80.67.31.26]) by theia.denx.de (Postfix) with ESMTP id 6FB1D4A040 for ; Wed, 26 Jun 2013 16:05:02 +0200 (CEST) Received: from [217.6.197.18] (helo=bob3.gd.local) by smtprelay03.ispgateway.de with esmtpa (Exim 4.68) (envelope-from ) id 1UrqKz-0004xW-LK; Wed, 26 Jun 2013 16:04:45 +0200 From: dirk.eibach@gdsys.cc To: u-boot@lists.denx.de, Stefan Roese Date: Wed, 26 Jun 2013 16:04:28 +0200 Message-Id: <1372255471-9383-4-git-send-email-dirk.eibach@gdsys.cc> X-Mailer: git-send-email 1.8.3 In-Reply-To: <1372255471-9383-1-git-send-email-dirk.eibach@gdsys.cc> References: <1372255471-9383-1-git-send-email-dirk.eibach@gdsys.cc> X-Df-Sender: ZGlyay5laWJhY2hAZ2RzeXMuY2M= Subject: [U-Boot] [PATCH v5 3/6] powerpc/ppc4xx: Add fpgad command for dumping gdsys fpga registers 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 From: Dirk Eibach Signed-off-by: Dirk Eibach --- Changes in v5: None Changes in v4: None Changes in v3: - adapt to "powerpc/ppc4xx: Use generic accessor functions for gdsys FPGA" Changes in v2: - move cmd_fpgad to common and fix whitespace issues - update email account common/Makefile | 1 + common/cmd_fpgad.c | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 101 insertions(+) create mode 100644 common/cmd_fpgad.c diff --git a/common/Makefile b/common/Makefile index 3ba4316..b1a2093 100644 --- a/common/Makefile +++ b/common/Makefile @@ -110,6 +110,7 @@ COBJS-$(CONFIG_CMD_FLASH) += cmd_flash.o ifdef CONFIG_FPGA COBJS-$(CONFIG_CMD_FPGA) += cmd_fpga.o endif +COBJS-$(CONFIG_CMD_FPGAD) += cmd_fpgad.o COBJS-$(CONFIG_CMD_FS_GENERIC) += cmd_fs.o COBJS-$(CONFIG_CMD_FUSE) += cmd_fuse.o COBJS-$(CONFIG_CMD_GETTIME) += cmd_gettime.o diff --git a/common/cmd_fpgad.c b/common/cmd_fpgad.c new file mode 100644 index 0000000..07536ff --- /dev/null +++ b/common/cmd_fpgad.c @@ -0,0 +1,100 @@ +/* + * (C) Copyright 2013 + * Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc + * + * based on cmd_mem.c + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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 + */ + +#include +#include + +#include + +static uint dp_last_fpga; +static uint dp_last_addr; +static uint dp_last_length = 0x40; + +/* + * FPGA Memory Display + * + * Syntax: + * fpgad {fpga} {addr} {len} + */ +#define DISP_LINE_LEN 16 +int do_fpga_md(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + unsigned int k; + unsigned int fpga; + ulong addr, length; + int rc = 0; + u16 linebuf[DISP_LINE_LEN/sizeof(u16)]; + + /* + * We use the last specified parameters, unless new ones are + * entered. + */ + fpga = dp_last_fpga; + addr = dp_last_addr; + length = dp_last_length; + + if (argc < 3) + return CMD_RET_USAGE; + + if ((flag & CMD_FLAG_REPEAT) == 0) { + /* + * FPGA is specified since argc > 2 + */ + fpga = simple_strtoul(argv[1], NULL, 16); + + /* + * Address is specified since argc > 2 + */ + addr = simple_strtoul(argv[2], NULL, 16); + + /* + * If another parameter, it is the length to display. + * Length is the number of objects, not number of bytes. + */ + if (argc > 3) + length = simple_strtoul(argv[3], NULL, 16); + } + + /* Print the lines. */ + for (k = 0; k < DISP_LINE_LEN / sizeof(u16); ++k) + fpga_get_reg(fpga, (u16 *)fpga_ptr[fpga] + k, k * sizeof(u16), + &linebuf[k]); + print_buffer(addr, (void *)linebuf, sizeof(u16), + length, DISP_LINE_LEN / sizeof(u16)); + addr += sizeof(u16)*length; + + dp_last_fpga = fpga; + dp_last_addr = addr; + dp_last_length = length; + return rc; +} + +U_BOOT_CMD( + fpgad, 4, 1, do_fpga_md, + "fpga register display", + "fpga address [# of objects]" +);