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/xilinx/ppc440-generic/init.S

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/*
* (C) Copyright 2008
* Ricado Ribalda-Universidad Autonoma de Madrid-ricardo.ribalda@uam.es
* This work has been supported by: QTechnology http://qtec.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, see <http://www.gnu.org/licenses/>.
*/
#include <ppc_asm.tmpl>
#include <config.h>
#include <asm/mmu.h>
.section .bootpg,"ax"
.globl tlbtab
tlbtab:
tlbtab_start
tlbentry(0x00000000, SZ_256M, 0x00000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0x10000000, SZ_256M, 0x10000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0x20000000, SZ_256M, 0x20000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0x30000000, SZ_256M, 0x30000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0x40000000, SZ_256M, 0x40000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0x50000000, SZ_256M, 0x50000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0x60000000, SZ_256M, 0x60000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0x70000000, SZ_256M, 0x70000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0x80000000, SZ_256M, 0x80000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0x90000000, SZ_256M, 0x90000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0xa0000000, SZ_256M, 0xa0000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0xb0000000, SZ_256M, 0xb0000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0xc0000000, SZ_256M, 0xc0000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0xd0000000, SZ_256M, 0xd0000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0xe0000000, SZ_256M, 0xe0000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbentry(0xf0000000, SZ_256M, 0xf0000000, 0, AC_R | AC_W | AC_X | SA_G | SA_I)
tlbtab_end