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/freescale/mx25pdk/imximage.cfg

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/*
* (C) Copyright 2009
* Stefano Babic DENX Software Engineering sbabic@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.
*
* Refer docs/README.imxmage for more details about how-to configure
* and create imximage boot image
*
* The syntax is taken as close as possible with the kwbimage
*/
/*
* Boot Device : one of
* spi, sd (the board has no nand neither onenand)
*/
BOOT_FROM sd
/*
* Device Configuration Data (DCD)
*
* Each entry must have the format:
* Addr-type Address Value
*
* where:
* Addr-type register length (1,2 or 4 bytes)
* Address absolute address of the register
* value value to be stored in the register
*/
/* EIM config-CS5 init -- CPLD */
DATA 4 0xB8002050 0x0000D843
DATA 4 0xB8002054 0x22252521
DATA 4 0xB8002058 0x22220A00
/* DDR2 init */
DATA 4 0xB8001004 0x0076E83A
DATA 4 0xB8001010 0x00000204
DATA 4 0xB8001000 0x92210000
DATA 4 0x80000f00 0x12344321
DATA 4 0xB8001000 0xB2210000
DATA 1 0x82000000 0xda
DATA 1 0x83000000 0xda
DATA 1 0x81000400 0xda
DATA 1 0x80000333 0xda
DATA 4 0xB8001000 0x92210000
DATA 1 0x80000400 0x12345678
DATA 4 0xB8001000 0xA2210000
DATA 4 0x80000000 0x87654321
DATA 4 0x80000000 0x87654321
DATA 4 0xB8001000 0xB2210000
DATA 1 0x80000233 0xda
DATA 1 0x81000780 0xda
DATA 1 0x81000400 0xda
DATA 4 0xB8001000 0x82216080
DATA 4 0x43FAC454 0x00001000
DATA 4 0x53F80008 0x20034000
/* Enable the clocks */
DATA 4 0x53f8000c 0x1fffffff
DATA 4 0x53f80010 0xffffffff
DATA 4 0x53f80014 0xfdfff