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/bf533-ezkit/bf533-ezkit.c

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/*
* U-boot - ezkit533.c
*
* Copyright (c) 2005-2007 Analog Devices Inc.
*
* (C) Copyright 2000-2004
* 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., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include <common.h>
#if defined(CONFIG_MISC_INIT_R)
#include "psd4256.h"
#endif
int checkboard(void)
{
#if (BFIN_CPU == ADSP_BF531)
printf("CPU: ADSP BF531 Rev.: 0.%d\n", *pCHIPID >> 28);
#elif (BFIN_CPU == ADSP_BF532)
printf("CPU: ADSP BF532 Rev.: 0.%d\n", *pCHIPID >> 28);
#else
printf("CPU: ADSP BF533 Rev.: 0.%d\n", *pCHIPID >> 28);
#endif
printf("Board: ADI BF533 EZ-Kit Lite board\n");
printf(" Support: http://blackfin.uclinux.org/\n");
return 0;
}
long int initdram(int board_type)
{
DECLARE_GLOBAL_DATA_PTR;
#ifdef DEBUG
int brate;
char *tmp = getenv("baudrate");
brate = simple_strtoul(tmp, NULL, 16);
printf("Serial Port initialized with Baud rate = %x\n", brate);
printf("SDRAM attributes:\n");
printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
"tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
3, 3, 6, 2, 3);
printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20);
#endif
gd->bd->bi_memstart = CFG_SDRAM_BASE;
gd->bd->bi_memsize = CFG_MAX_RAM_SIZE;
return CFG_MAX_RAM_SIZE;
}
#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
int misc_init_r(void)
{
/* Set direction bits for Video en/decoder reset as output */
*(volatile unsigned char *)(CFG_FLASH1_BASE + PSD_PORTA_DIR) =
PSDA_VDEC_RST | PSDA_VENC_RST;
/* Deactivate Video en/decoder reset lines */
*(volatile unsigned char *)(CFG_FLASH1_BASE + PSD_PORTA_DOUT) =
PSDA_VDEC_RST | PSDA_VENC_RST;
return 0;
}
#endif