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> Acked-by: Marek Vasut <marek.vasut@gmail.com>master
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#
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# Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com>
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# Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de>
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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include $(TOPDIR)/config.mk |
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LIB = $(obj)lib$(BOARD).o
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COBJS := devkit3250.o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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SOBJS := $(addprefix $(obj),$(SOBJS))
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$(LIB): $(obj).depend $(OBJS) $(SOBJS) |
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$(call cmd_link_o_target, $(OBJS) $(SOBJS))
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk |
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sinclude $(obj).depend |
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#########################################################################
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/*
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* Embest/Timll DevKit3250 board support |
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* |
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* Copyright (C) 2011 Vladimir Zapolskiy <vz@mleia.com> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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*/ |
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#include <common.h> |
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#include <asm/arch/sys_proto.h> |
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#include <asm/arch/cpu.h> |
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#include <asm/arch/emc.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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static struct emc_regs *emc = (struct emc_regs *)EMC_BASE; |
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int board_early_init_f(void) |
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{ |
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lpc32xx_uart_init(CONFIG_SYS_LPC32XX_UART); |
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return 0; |
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} |
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int board_init(void) |
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{ |
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/* adress of boot parameters */ |
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; |
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#ifdef CONFIG_SYS_FLASH_CFI |
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/* Use 16-bit memory interface for NOR Flash */ |
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emc->stat[0].config = EMC_STAT_CONFIG_PB | EMC_STAT_CONFIG_16BIT; |
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/* Change the NOR timings to optimum value to get maximum bandwidth */ |
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emc->stat[0].waitwen = EMC_STAT_WAITWEN(1); |
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emc->stat[0].waitoen = EMC_STAT_WAITOEN(1); |
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emc->stat[0].waitrd = EMC_STAT_WAITRD(12); |
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emc->stat[0].waitpage = EMC_STAT_WAITPAGE(12); |
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emc->stat[0].waitwr = EMC_STAT_WAITWR(5); |
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emc->stat[0].waitturn = EMC_STAT_WAITTURN(2); |
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#endif |
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return 0; |
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} |
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int dram_init(void) |
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{ |
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gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, |
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CONFIG_SYS_SDRAM_SIZE); |
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return 0; |
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} |
@ -0,0 +1,117 @@ |
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/*
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* Embest/Timll DevKit3250 board configuration file |
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* |
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* Copyright (C) 2011 Vladimir Zapolskiy <vz@mleia.com> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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*/ |
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#ifndef __CONFIG_DEVKIT3250_H__ |
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#define __CONFIG_DEVKIT3250_H__ |
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/* SoC and board defines */ |
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#include <asm/sizes.h> |
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#include <asm/arch/cpu.h> |
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/*
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* Define DevKit3250 machine type by hand until it lands in mach-types |
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*/ |
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#define MACH_TYPE_DEVKIT3250 3697 |
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#define CONFIG_MACH_TYPE MACH_TYPE_DEVKIT3250 |
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#define CONFIG_SYS_ICACHE_OFF |
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#define CONFIG_SYS_DCACHE_OFF |
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#define CONFIG_SKIP_LOWLEVEL_INIT |
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#define CONFIG_BOARD_EARLY_INIT_F |
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/*
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* Memory configurations |
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*/ |
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#define CONFIG_NR_DRAM_BANKS 1 |
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#define CONFIG_STACKSIZE SZ_32K |
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#define CONFIG_SYS_MALLOC_LEN SZ_1M |
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#define CONFIG_SYS_GBL_DATA_SIZE 128 |
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#define CONFIG_SYS_SDRAM_BASE EMC_DYCS0_BASE |
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#define CONFIG_SYS_SDRAM_SIZE SZ_64M |
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#define CONFIG_SYS_TEXT_BASE 0x83FA0000 |
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#define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + SZ_32K) |
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#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - SZ_1M) |
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#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_32K) |
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#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_4K \ |
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- GENERATED_GBL_DATA_SIZE) |
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/*
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* Serial Driver |
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*/ |
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#define CONFIG_SYS_LPC32XX_UART 2 /* UART2 */ |
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#define CONFIG_BAUDRATE 115200 |
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/*
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* NOR Flash |
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*/ |
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#define CONFIG_CMD_FLASH |
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#define CONFIG_SYS_MAX_FLASH_BANKS 1 |
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#define CONFIG_SYS_MAX_FLASH_SECT 71 |
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#define CONFIG_SYS_FLASH_BASE EMC_CS0_BASE |
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#define CONFIG_SYS_FLASH_SIZE SZ_4M |
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#define CONFIG_SYS_FLASH_CFI |
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/*
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* U-Boot General Configurations |
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*/ |
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#define CONFIG_SYS_LONGHELP |
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#define CONFIG_SYS_PROMPT "=> " |
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#define CONFIG_SYS_CBSIZE 1024 |
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#define CONFIG_SYS_PBSIZE \ |
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(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) |
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#define CONFIG_SYS_MAXARGS 16 |
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE |
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#define CONFIG_AUTO_COMPLETE |
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#define CONFIG_CMDLINE_EDITING |
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#define CONFIG_VERSION_VARIABLE |
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#define CONFIG_DISPLAY_CPUINFO |
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#define CONFIG_DOS_PARTITION |
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#define CONFIG_ENV_IS_NOWHERE |
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#define CONFIG_ENV_SIZE SZ_128K |
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/*
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* U-Boot Commands |
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*/ |
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#include <config_cmd_default.h> |
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#define CONFIG_CMD_CACHE |
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/*
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* Boot Linux |
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*/ |
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#define CONFIG_CMDLINE_TAG |
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#define CONFIG_SETUP_MEMORY_TAGS |
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#define CONFIG_ZERO_BOOTDELAY_CHECK |
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#define CONFIG_BOOTDELAY 3 |
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#define CONFIG_BOOTFILE "uImage" |
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#define CONFIG_BOOTARGS "console=ttyS2,115200n8" |
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#define CONFIG_LOADADDR 0x80008000 |
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/*
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* Include SoC specific configuration |
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*/ |
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#include <asm/arch/config.h> |
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#endif /* __CONFIG_DEVKIT3250_H__*/ |
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