From patchwork Tue Jun 28 15:39:39 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Herring X-Patchwork-Id: 102413 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 72D86B6F18 for ; Wed, 29 Jun 2011 01:41:26 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 0C63D28128; Tue, 28 Jun 2011 17:40:51 +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 NlLDudFjscXP; Tue, 28 Jun 2011 17:40:50 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id D189628155; Tue, 28 Jun 2011 17:40:35 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id BF3622811F for ; Tue, 28 Jun 2011 17:40:32 +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 SLnEfuK7GbVQ for ; Tue, 28 Jun 2011 17:40:31 +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 mail-yx0-f172.google.com (mail-yx0-f172.google.com [209.85.213.172]) by theia.denx.de (Postfix) with ESMTPS id 5DDDA2812A for ; Tue, 28 Jun 2011 17:40:16 +0200 (CEST) Received: by mail-yx0-f172.google.com with SMTP id 4so142019yxp.3 for ; Tue, 28 Jun 2011 08:40:16 -0700 (PDT) Received: by 10.101.186.32 with SMTP id n32mr8368604anp.104.1309275600105; Tue, 28 Jun 2011 08:40:00 -0700 (PDT) Received: from rob-laptop.i.smooth-stone.com ([173.226.190.126]) by mx.google.com with ESMTPS id x32sm244413anx.6.2011.06.28.08.39.58 (version=SSLv3 cipher=OTHER); Tue, 28 Jun 2011 08:39:59 -0700 (PDT) From: Rob Herring To: u-boot@lists.denx.de Date: Tue, 28 Jun 2011 10:39:39 -0500 Message-Id: <1309275583-11763-3-git-send-email-robherring2@gmail.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1309275583-11763-1-git-send-email-robherring2@gmail.com> References: <1309275583-11763-1-git-send-email-robherring2@gmail.com> Cc: Albert ARIBAUD , Jason Hobbs , Rob Herring Subject: [U-Boot] [PATCH 2/6] ARM: Add Calxeda Highbank platform X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.9 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: Rob Herring Add basic support for Calxeda Highbank platform. Only minimal support to boot is included. Signed-off-by: Jason Hobbs Signed-off-by: Rob Herring Cc: Albert ARIBAUD --- MAINTAINERS | 4 + arch/arm/cpu/armv7/highbank/Makefile | 46 ++++++++++++ arch/arm/cpu/armv7/highbank/config.mk | 4 + arch/arm/cpu/armv7/highbank/timer.c | 124 +++++++++++++++++++++++++++++++++ board/highbank/Makefile | 49 +++++++++++++ board/highbank/highbank.c | 49 +++++++++++++ boards.cfg | 1 + include/configs/highbank.h | 101 +++++++++++++++++++++++++++ 8 files changed, 378 insertions(+), 0 deletions(-) create mode 100644 arch/arm/cpu/armv7/highbank/Makefile create mode 100644 arch/arm/cpu/armv7/highbank/config.mk create mode 100644 arch/arm/cpu/armv7/highbank/timer.c create mode 100644 board/highbank/Makefile create mode 100644 board/highbank/highbank.c create mode 100644 include/configs/highbank.h diff --git a/MAINTAINERS b/MAINTAINERS index 2bba7b4..515347d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -225,6 +225,10 @@ Wolfgang Grandegger IPHASE4539 MPC8260 SCM MPC8260 +Rob Herring + + highbank highbank + Klaus Heydeck KUP4K MPC855 diff --git a/arch/arm/cpu/armv7/highbank/Makefile b/arch/arm/cpu/armv7/highbank/Makefile new file mode 100644 index 0000000..76faeb0 --- /dev/null +++ b/arch/arm/cpu/armv7/highbank/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2000-2006 +# 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 $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).o + +COBJS := timer.o +SOBJS := + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/arm/cpu/armv7/highbank/config.mk b/arch/arm/cpu/armv7/highbank/config.mk new file mode 100644 index 0000000..5ed5c39 --- /dev/null +++ b/arch/arm/cpu/armv7/highbank/config.mk @@ -0,0 +1,4 @@ +STANDALONE_LOAD_ADDR = 0x100000 + +PLATFORM_CPPFLAGS += -march=armv7-a + diff --git a/arch/arm/cpu/armv7/highbank/timer.c b/arch/arm/cpu/armv7/highbank/timer.c new file mode 100644 index 0000000..263f11a --- /dev/null +++ b/arch/arm/cpu/armv7/highbank/timer.c @@ -0,0 +1,124 @@ +/* + * Copyright 2010-2011 Calxeda, Inc. + * + * Based on arm926ejs/mx27/timer.c + * + * 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 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, see . + */ + +#include +#include +#include /* for size_t */ +#include /* for NULL */ +#include +#include + +#undef SYSTIMER_BASE +#define SYSTIMER_BASE 0xFFF34000 /* Timer 0 and 1 base */ +#define SYSTIMER_RATE 150000000 + +static ulong timestamp; +static ulong lastinc; +static struct systimer *systimer_base = (struct systimer *)SYSTIMER_BASE; + +/* + * Start the timer + */ +int timer_init(void) +{ + /* + * Setup timer0 + */ + writel(SYSTIMER_RELOAD, &systimer_base->timer0load); + writel(SYSTIMER_RELOAD, &systimer_base->timer0value); + writel(SYSTIMER_EN | SYSTIMER_32BIT, &systimer_base->timer0control); + + reset_timer_masked(); + + return 0; + +} + +#define TICK_PER_TIME ((SYSTIMER_RATE + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ) +#define NS_PER_TICK (1000000000 / SYSTIMER_RATE) + +static inline unsigned long long tick_to_time(unsigned long long tick) +{ + do_div(tick, TICK_PER_TIME); + return tick; +} + +static inline unsigned long long time_to_tick(unsigned long long time) +{ + return time * TICK_PER_TIME; +} + +static inline unsigned long long us_to_tick(unsigned long long us) +{ + unsigned long long tick = us << 16; + tick += NS_PER_TICK - 1; + do_div(tick, NS_PER_TICK); + return tick >> 16; +} + +unsigned long long get_ticks(void) +{ + ulong now = ~readl(&systimer_base->timer0value); + + if (now >= lastinc) /* normal mode (non roll) */ + /* move stamp forward with absolut diff ticks */ + timestamp += (now - lastinc); + else /* we have rollover of incrementer */ + timestamp += (0xFFFFFFFF - lastinc) + now; + lastinc = now; + return timestamp; +} + +/* + * Delay x useconds AND preserve advance timstamp value + * assumes timer is ticking at 1 msec + */ +void __udelay(ulong usec) +{ + unsigned long long tmp; + ulong tmo; + + tmo = us_to_tick(usec); + tmp = get_ticks() + tmo; /* get current timestamp */ + + while (get_ticks() < tmp) /* loop till event */ + /*NOP*/; +} + +ulong get_timer(ulong base) +{ + return get_timer_masked() - base; +} + +void reset_timer_masked(void) +{ + lastinc = ~readl(&systimer_base->timer0value); + timestamp = 0; +} + +void reset_timer(void) +{ + reset_timer_masked(); +} + +ulong get_timer_masked(void) +{ + return tick_to_time(get_ticks()); +} + diff --git a/board/highbank/Makefile b/board/highbank/Makefile new file mode 100644 index 0000000..d5b8362 --- /dev/null +++ b/board/highbank/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2000-2006 +# 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 $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS := highbank.o + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +clean: + rm -f $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/highbank/highbank.c b/board/highbank/highbank.c new file mode 100644 index 0000000..9a0fc19 --- /dev/null +++ b/board/highbank/highbank.c @@ -0,0 +1,49 @@ +/* + * Copyright 2010-2011 Calxeda, Inc. + * + * 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 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, see . + */ + +#include + +#include + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Miscellaneous platform dependent initialisations + */ +int board_init(void) +{ + icache_enable(); + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = SZ_512M; + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; +} + +void reset_cpu(ulong addr) +{ +} + diff --git a/boards.cfg b/boards.cfg index dfefc3f..b7eda53 100644 --- a/boards.cfg +++ b/boards.cfg @@ -135,6 +135,7 @@ omap5912osk arm arm926ejs - ti edminiv2 arm arm926ejs - LaCie orion5x dkb arm arm926ejs - Marvell pantheon ca9x4_ct_vxp arm armv7 vexpress armltd +highbank arm armv7 highbank - highbank efikamx arm armv7 efikamx - mx5 mx51evk:IMX_CONFIG=board/efikamx/imximage.cfg mx51evk arm armv7 mx51evk freescale mx5 mx51evk:IMX_CONFIG=board/freescale/mx51evk/imximage.cfg mx53evk arm armv7 mx53evk freescale mx5 mx53evk:IMX_CONFIG=board/freescale/mx53evk/imximage.cfg diff --git a/include/configs/highbank.h b/include/configs/highbank.h new file mode 100644 index 0000000..6e26848 --- /dev/null +++ b/include/configs/highbank.h @@ -0,0 +1,101 @@ +/* + * Copyright 2010-2011 Calxeda, Inc. + * + * 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 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, see . + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#define CONFIG_L2_OFF + +#define CONFIG_SYS_NO_FLASH +#define CFG_HZ 1000 +#define CONFIG_SYS_HZ CFG_HZ + +#define CONFIG_OF_LIBFDT +#define CONFIG_FIT +#define CONFIG_SYS_BOOTMAPSZ (16 << 20) + +/* + * Size of malloc() pool + */ +#define CONFIG_SYS_MALLOC_LEN (512 * 1024) + +#define CONFIG_PL011_SERIAL +#define CONFIG_PL011_CLOCK 150000000 +#define CONFIG_PL01x_PORTS { (void *)(0xFFF36000) } +#define CONFIG_CONS_INDEX 0 + +#define CONFIG_BAUDRATE 38400 +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* + * Command line configuration. + */ +#include +#undef CONFIG_CMD_NET +#undef CONFIG_CMD_NFS + +#define CONFIG_CMD_BDI +#define CONFIG_CMD_ELF +#define CONFIG_CMD_MEMORY +#define CONFIG_CMD_LOADS + +#define CONFIG_BOOTDELAY 2 +/* + * Miscellaneous configurable options + */ +#define CONFIG_CMDLINE_EDITING +#define CONFIG_AUTO_COMPLETE +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +#define CONFIG_SYS_MAXARGS 16 /* max number of cmd args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE +#define CONFIG_SYS_PROMPT "Highbank #" +/* Print Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ + sizeof(CONFIG_SYS_PROMPT)+16) + +#define CONFIG_SYS_LOAD_ADDR 0x800000 + +/*----------------------------------------------------------------------- + * Stack sizes + * + * The stack sizes are set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE (128*1024) /* regular stack */ +#ifdef CONFIG_USE_IRQ +#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ +#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ +#endif + +/*----------------------------------------------------------------------- + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM_1_SIZE (4089 << 20) +#define CONFIG_SYS_MEMTEST_START 0x100000 +#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1_SIZE - 0x100000) + +/* Room required on the stack for the environment data */ +#define CONFIG_ENV_SIZE 0x2000 +#define CONFIG_ENV_IS_NOWHERE + +#define CONFIG_SYS_SDRAM_BASE 0x00000000 +#define CONFIG_SYS_TEXT_BASE 0x00001000 +#define CONFIG_SYS_INIT_SP_ADDR 0x01000000 +#define CONFIG_SKIP_LOWLEVEL_INIT + +#endif