upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/timll/devkit3250/devkit3250.c

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/*
* 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;
}