[U-Boot] [PATCH 2/3 v2] devkit3250: add Timll DevKit3250 board initial support

Igor Grinberg grinberg at compulab.co.il
Tue Nov 15 07:42:25 CET 2011


Hi Vladimir,

On 11/14/11 19:43, Vladimir Zapolskiy wrote:
> This change adds a basic support for Embest/Timll DevKit3250 board,
> NOR and UART are the only supported peripherals for a moment. The board
> doesn't require low-level init, because the initial SDRAM and GPIO
> configuration is performed during kickstart bootloader execution.
> 
> Signed-off-by: Vladimir Zapolskiy <vz at mleia.com>
> ---
> Changes from v1 to v2:
> * corrected address in GPLv2+ licence header in files

I think you should remove the address part completely,
because next time it changes, will you be around to fix it?
I know that there are many files already with address, but
to make a big change it is better to start it from small -
say all new coming patches.

> * removed clean and distclean targets from board makefile
> * do not set machine id explicitly, if CONFIG_MACH_TYPE is defined
> * minor indentation cleanups
> 
>  board/timll/devkit3250/Makefile     |   44 +++++++++++++
>  board/timll/devkit3250/devkit3250.c |   71 ++++++++++++++++++++
>  boards.cfg                          |    3 +-
>  include/configs/devkit3250.h        |  121 +++++++++++++++++++++++++++++++++++
>  4 files changed, 238 insertions(+), 1 deletions(-)
>  create mode 100644 board/timll/devkit3250/Makefile
>  create mode 100644 board/timll/devkit3250/devkit3250.c
>  create mode 100644 include/configs/devkit3250.h
> 
> diff --git a/board/timll/devkit3250/Makefile b/board/timll/devkit3250/Makefile
> new file mode 100644
> index 0000000..ea7827c
> --- /dev/null
> +++ b/board/timll/devkit3250/Makefile
> @@ -0,0 +1,44 @@
> +#
> +# Copyright (C) 2011 by Vladimir Zapolskiy <vz at mleia.com>
> +# Copyright (C) 2008, Guennadi Liakhovetski <lg at 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., 51 Franklin Street, Fifth Floor, Boston,
> +# MA  02110-1301, USA.
> +#
> +
> +include $(TOPDIR)/config.mk
> +
> +LIB	= $(obj)lib$(BOARD).o
> +
> +COBJS	:= devkit3250.o
> +
> +SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
> +OBJS	:= $(addprefix $(obj),$(COBJS))
> +SOBJS	:= $(addprefix $(obj),$(SOBJS))
> +
> +$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
> +	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
> +
> +#########################################################################
> +
> +# defines $(obj).depend target
> +include $(SRCTREE)/rules.mk
> +
> +sinclude $(obj).depend
> +
> +#########################################################################
> diff --git a/board/timll/devkit3250/devkit3250.c b/board/timll/devkit3250/devkit3250.c
> new file mode 100644
> index 0000000..461012d
> --- /dev/null
> +++ b/board/timll/devkit3250/devkit3250.c
> @@ -0,0 +1,71 @@
> +/*
> + * Embest/Timll DevKit3250 board support
> + *
> + * Copyright (C) 2011 Vladimir Zapolskiy <vz at mleia.com>
> + *
> + * 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., 51 Franklin Street, Fifth Floor, Boston,
> + * MA 02110-1301, USA.
> + */
> +
> +#include <common.h>
> +#include <asm/arch/sys_proto.h>
> +#include <asm/arch/cpu.h>
> +#include <asm/arch/emc.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +static struct emc_t *emc = (struct emc_t *)EMC_BASE;
> +
> +int board_early_init_f(void)
> +{
> +	lpc32xx_uart_init(CONFIG_SYS_LPC32XX_UART);
> +
> +	return 0;
> +}
> +
> +int board_init(void)
> +{
> +	/*
> +	 * It might be necessary to flush data cache, if U-boot is loaded
> +	 * from kickstart bootloader, e.g. from S1L loader
> +	 */
> +	flush_cache(0, 0);
> +
> +	/* adress of boot parameters */
> +	gd->bd->bi_boot_params  = CONFIG_ENV_ADDR;
> +
> +#ifdef CONFIG_SYS_FLASH_CFI
> +	/* Use 16-bit memory interface for NOR Flash */
> +	emc->stat[0].config	= EMC_STAT_CONFIG_PB | EMC_STAT_CONFIG_16BIT;
> +
> +	/* Change the NOR timings to optimum value to get maximum bandwidth */
> +	emc->stat[0].waitwen	= EMC_STAT_WAITWEN(1);
> +	emc->stat[0].waitoen	= EMC_STAT_WAITOEN(1);
> +	emc->stat[0].waitrd	= EMC_STAT_WAITRD(12);
> +	emc->stat[0].waitpage	= EMC_STAT_WAITPAGE(12);
> +	emc->stat[0].waitwr	= EMC_STAT_WAITWR(5);
> +	emc->stat[0].waitturn	= EMC_STAT_WAITTURN(2);
> +#endif
> +
> +	return 0;
> +}
> +
> +int dram_init(void)
> +{
> +	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
> +				    CONFIG_SYS_SDRAM_SIZE);
> +
> +	return 0;
> +}
> diff --git a/boards.cfg b/boards.cfg
> index cf6e67c..8bf6870 100644
> --- a/boards.cfg
> +++ b/boards.cfg
> @@ -162,7 +162,8 @@ nhk8815                      arm         arm926ejs   nhk8815             st
>  nhk8815_onenand              arm         arm926ejs   nhk8815             st             nomadik       nhk8815:BOOT_ONENAND
>  omap5912osk                  arm         arm926ejs   -                   ti             omap
>  edminiv2                     arm         arm926ejs   -                   LaCie          orion5x
> -dkb			     arm         arm926ejs   -                   Marvell        pantheon
> +dkb                          arm         arm926ejs   -                   Marvell        pantheon
> +devkit3250                   arm         arm926ejs   devkit3250          timll          lpc32xx
>  integratorap_cm946es         arm         arm946es    integrator          armltd         -               integratorap:CM946ES
>  integratorcp_cm946es         arm         arm946es    integrator          armltd         -               integratorcp:CM946ES
>  ca9x4_ct_vxp                 arm         armv7       vexpress            armltd
> diff --git a/include/configs/devkit3250.h b/include/configs/devkit3250.h
> new file mode 100644
> index 0000000..360a041
> --- /dev/null
> +++ b/include/configs/devkit3250.h
> @@ -0,0 +1,121 @@
> +/*
> + * Embest/Timll DevKit3250 board configuration file
> + *
> + * Copyright (C) 2011 Vladimir Zapolskiy <vz at mleia.com>
> + *
> + * 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., 51 Franklin Street, Fifth Floor, Boston,
> + * MA 02110-1301, USA.
> + */
> +
> +#ifndef __CONFIG_DEVKIT3250_H__
> +#define __CONFIG_DEVKIT3250_H__
> +
> +/* SoC and board defines */
> +#include <asm/sizes.h>
> +#include <asm/arch/cpu.h>
> +
> +/*
> + * Define DevKit3250 machine type by hand until it lands in mach-types
> + */
> +#define MACH_TYPE_DEVKIT3250        3697
> +#define CONFIG_MACH_TYPE            MACH_TYPE_DEVKIT3250
> +
> +#define CONFIG_SYS_ICACHE_OFF
> +#define CONFIG_SYS_DCACHE_OFF
> +#define CONFIG_SKIP_LOWLEVEL_INIT
> +#define CONFIG_BOARD_EARLY_INIT_F
> +
> +/*
> + * Memory configurations
> + */
> +#define CONFIG_NR_DRAM_BANKS        1
> +#define CONFIG_STACKSIZE            SZ_32K
> +#define CONFIG_SYS_MALLOC_LEN       SZ_1M
> +#define CONFIG_SYS_GBL_DATA_SIZE    128
> +#define CONFIG_SYS_SDRAM_BASE       EMC_DYCS0_BASE
> +#define CONFIG_SYS_SDRAM_SIZE       SZ_64M
> +#define CONFIG_SYS_MEMTEST_START    CONFIG_SYS_SDRAM_BASE
> +#define CONFIG_SYS_MEMTEST_END      (CONFIG_SYS_TEXT_BASE - SZ_1M)
> +
> +#define CONFIG_SYS_TEXT_BASE        0x82FA0000
> +#define CONFIG_SYS_LOAD_ADDR        (CONFIG_SYS_MEMTEST_START + SZ_32K)
> +
> +#define CONFIG_SYS_INIT_RAM_SIZE    SZ_4K
> +#define CONFIG_SYS_GBL_DATA_OFFSET  (CONFIG_SYS_SDRAM_BASE + \
> +				     CONFIG_SYS_INIT_RAM_SIZE - \
> +				     GENERATED_GBL_DATA_SIZE)
> +#define CONFIG_SYS_INIT_SP_ADDR     CONFIG_SYS_GBL_DATA_OFFSET
> +
> +/*
> + * Serial Driver
> + */
> +#define CONFIG_SYS_LPC32XX_UART     5   /* UART5 */
> +#define CONFIG_BAUDRATE             115200
> +
> +/*
> + * NOR Flash
> + */
> +#define CONFIG_CMD_FLASH
> +#define CONFIG_SYS_MAX_FLASH_BANKS  1
> +#define CONFIG_SYS_MAX_FLASH_SECT   71
> +#define CONFIG_SYS_FLASH_BASE       EMC_CS0_BASE
> +#define CONFIG_SYS_FLASH_SIZE       SZ_4M
> +#define CONFIG_SYS_FLASH_CFI
> +
> +/*
> + * U-Boot General Configurations
> + */
> +#define CONFIG_SYS_LONGHELP
> +#define CONFIG_SYS_PROMPT           "=> "
> +#define CONFIG_SYS_CBSIZE           1024    /* Console I/O buffer size */
> +#define CONFIG_SYS_PBSIZE           \
> +	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
> +#define CONFIG_SYS_MAXARGS          16
> +#define CONFIG_SYS_BARGSIZE         CONFIG_SYS_CBSIZE
> +
> +#define CONFIG_AUTO_COMPLETE
> +#define CONFIG_CMDLINE_EDITING
> +#define CONFIG_VERSION_VARIABLE
> +#define CONFIG_DISPLAY_CPUINFO
> +#define CONFIG_DOS_PARTITION
> +
> +#define CONFIG_ENV_IS_NOWHERE
> +#define CONFIG_ENV_SIZE             SZ_128K
> +#define CONFIG_ENV_ADDR             0x80000100
> +
> +/*
> + * U-Boot Commands
> + */
> +#include <config_cmd_default.h>
> +#define CONFIG_CMD_CACHE
> +
> +/*
> + * Boot Linux
> + */
> +#define CONFIG_CMDLINE_TAG
> +#define CONFIG_SETUP_MEMORY_TAGS
> +#define CONFIG_ZERO_BOOTDELAY_CHECK
> +#define CONFIG_BOOTDELAY            3
> +
> +#define CONFIG_BOOTFILE             "uImage"
> +#define CONFIG_BOOTARGS             "console=ttyS2,115200n8"
> +#define CONFIG_LOADADDR             0x80008000
> +
> +/*
> + * SoC specific configuration
> + */
> +#include <asm/arch/config.h>
> +
> +#endif  /* __CONFIG_DEVKIT3250_H__*/

-- 
Regards,
Igor.


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