| Message ID | 1326415341-7351-4-git-send-email-vz@mleia.com |
|---|---|
| State | Superseded |
| Delegated to: | Albert ARIBAUD |
| Headers | show |
> 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@mleia.com> > Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> > Cc: Wolfgang Denk <wd@denx.de> > --- Acked-by: Marek Vasut <marek.vasut@gmail.com> > Changes from v4 to v5: > * fixed bi_boot_params initialization > * cosmetic changes in board configuration > > Changes from v3 to v4: > * removed dcache flushing from board_init() > * tabs instead of spaces in board config file > > Changes from v2 to v3: > * updated a relocation address > * combined a record in maintainers file into the patch > * use high speed UART2 by default > > Changes from v1 to v2: > * corrected address in GPLv2+ licence header in files > * removed clean and distclean targets from board makefile > * do not set machine id explicitly, if CONFIG_MACH_TYPE is defined > * minor indentation cleanups > > MAINTAINERS | 4 + > board/timll/devkit3250/Makefile | 44 +++++++++++++ > board/timll/devkit3250/devkit3250.c | 65 +++++++++++++++++++ > boards.cfg | 1 + > include/configs/devkit3250.h | 117 > +++++++++++++++++++++++++++++++++++ 5 files changed, 231 insertions(+), 0 > 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/MAINTAINERS b/MAINTAINERS > index 4bf12b5..68dedae 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -914,6 +914,10 @@ Sughosh Ganu <urwithsughosh@gmail.com> > > hawkboard ARM926EJS (OMAP-L138) > > +Vladimir Zapolskiy <vz@mleia.com> > + > + devkit3250 lpc32xx > + > ------------------------------------------------------------------------- > > Unknown / orphaned boards: > 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@mleia.com> > +# Copyright (C) 2008, Guennadi Liakhovetski <lg@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..6b0ec80 > --- /dev/null > +++ b/board/timll/devkit3250/devkit3250.c > @@ -0,0 +1,65 @@ > +/* > + * Embest/Timll DevKit3250 board support > + * > + * Copyright (C) 2011 Vladimir Zapolskiy <vz@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_regs *emc = (struct emc_regs *)EMC_BASE; > + > +int board_early_init_f(void) > +{ > + lpc32xx_uart_init(CONFIG_SYS_LPC32XX_UART); > + > + return 0; > +} > + > +int board_init(void) > +{ > + /* adress of boot parameters */ > + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; > + > +#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 0b32532..24a98fe 100644 > --- a/boards.cfg > +++ b/boards.cfg > @@ -176,6 +176,7 @@ omap730p2_cs0boot arm arm926ejs > omap730p2 ti omap omap730p2_cs3boot arm > arm926ejs omap730p2 ti omap omap730p2:CS3_BOOT > edminiv2 arm arm926ejs - > LaCie orion5x dkb arm arm926ejs - > Marvell pantheon +devkit3250 arm > arm926ejs devkit3250 timll lpc32xx versatileab > arm arm926ejs versatile armltd > versatile versatile:ARCH_VERSATILE_AB versatilepb arm > arm926ejs versatile armltd versatile > versatile:ARCH_VERSATILE_PB versatileqemu arm > arm926ejs versatile armltd versatile > versatile:ARCH_VERSATILE_QEMU,ARCH_VERSATILE_PB diff --git > a/include/configs/devkit3250.h b/include/configs/devkit3250.h new file > mode 100644 > index 0000000..9f15ffb > --- /dev/null > +++ b/include/configs/devkit3250.h > @@ -0,0 +1,117 @@ > +/* > + * Embest/Timll DevKit3250 board configuration file > + * > + * Copyright (C) 2011 Vladimir Zapolskiy <vz@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_TEXT_BASE 0x83FA0000 > +#define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + SZ_32K) > +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - SZ_1M) > + > +#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_32K) > + > +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_4K \ > + - GENERATED_GBL_DATA_SIZE) > + > +/* > + * Serial Driver > + */ > +#define CONFIG_SYS_LPC32XX_UART 2 /* UART2 */ > +#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 > +#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 > + > +/* > + * 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 > + > +/* > + * Include SoC specific configuration > + */ > +#include <asm/arch/config.h> > + > +#endif /* __CONFIG_DEVKIT3250_H__*/
diff --git a/MAINTAINERS b/MAINTAINERS index 4bf12b5..68dedae 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -914,6 +914,10 @@ Sughosh Ganu <urwithsughosh@gmail.com> hawkboard ARM926EJS (OMAP-L138) +Vladimir Zapolskiy <vz@mleia.com> + + devkit3250 lpc32xx + ------------------------------------------------------------------------- Unknown / orphaned boards: 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@mleia.com> +# Copyright (C) 2008, Guennadi Liakhovetski <lg@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..6b0ec80 --- /dev/null +++ b/board/timll/devkit3250/devkit3250.c @@ -0,0 +1,65 @@ +/* + * Embest/Timll DevKit3250 board support + * + * Copyright (C) 2011 Vladimir Zapolskiy <vz@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_regs *emc = (struct emc_regs *)EMC_BASE; + +int board_early_init_f(void) +{ + lpc32xx_uart_init(CONFIG_SYS_LPC32XX_UART); + + return 0; +} + +int board_init(void) +{ + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + +#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 0b32532..24a98fe 100644 --- a/boards.cfg +++ b/boards.cfg @@ -176,6 +176,7 @@ omap730p2_cs0boot arm arm926ejs omap730p2 ti omap omap730p2_cs3boot arm arm926ejs omap730p2 ti omap omap730p2:CS3_BOOT edminiv2 arm arm926ejs - LaCie orion5x dkb arm arm926ejs - Marvell pantheon +devkit3250 arm arm926ejs devkit3250 timll lpc32xx versatileab arm arm926ejs versatile armltd versatile versatile:ARCH_VERSATILE_AB versatilepb arm arm926ejs versatile armltd versatile versatile:ARCH_VERSATILE_PB versatileqemu arm arm926ejs versatile armltd versatile versatile:ARCH_VERSATILE_QEMU,ARCH_VERSATILE_PB diff --git a/include/configs/devkit3250.h b/include/configs/devkit3250.h new file mode 100644 index 0000000..9f15ffb --- /dev/null +++ b/include/configs/devkit3250.h @@ -0,0 +1,117 @@ +/* + * Embest/Timll DevKit3250 board configuration file + * + * Copyright (C) 2011 Vladimir Zapolskiy <vz@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_TEXT_BASE 0x83FA0000 +#define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + SZ_32K) +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - SZ_1M) + +#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_32K) + +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_4K \ + - GENERATED_GBL_DATA_SIZE) + +/* + * Serial Driver + */ +#define CONFIG_SYS_LPC32XX_UART 2 /* UART2 */ +#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 +#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 + +/* + * 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 + +/* + * Include SoC specific configuration + */ +#include <asm/arch/config.h> + +#endif /* __CONFIG_DEVKIT3250_H__*/
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@mleia.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Cc: Wolfgang Denk <wd@denx.de> --- Changes from v4 to v5: * fixed bi_boot_params initialization * cosmetic changes in board configuration Changes from v3 to v4: * removed dcache flushing from board_init() * tabs instead of spaces in board config file Changes from v2 to v3: * updated a relocation address * combined a record in maintainers file into the patch * use high speed UART2 by default Changes from v1 to v2: * corrected address in GPLv2+ licence header in files * removed clean and distclean targets from board makefile * do not set machine id explicitly, if CONFIG_MACH_TYPE is defined * minor indentation cleanups MAINTAINERS | 4 + board/timll/devkit3250/Makefile | 44 +++++++++++++ board/timll/devkit3250/devkit3250.c | 65 +++++++++++++++++++ boards.cfg | 1 + include/configs/devkit3250.h | 117 +++++++++++++++++++++++++++++++++++ 5 files changed, 231 insertions(+), 0 deletions(-) create mode 100644 board/timll/devkit3250/Makefile create mode 100644 board/timll/devkit3250/devkit3250.c create mode 100644 include/configs/devkit3250.h