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/xes/xpedite1000/init.S

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1.8 KiB

/*
* Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <ppc_asm.tmpl>
#include <asm/mmu.h>
#include <config.h>
#include <asm/ppc4xx.h>
/*
* TLB TABLE
*
* This table is used by the cpu boot code to setup the initial tlb
* entries. Rather than make broad assumptions in the cpu source tree,
* this table lets each board set things up however they like.
*
* Pointer to the table is returned in r1
*/
.section .bootpg,"ax"
.globl tlbtab
tlbtab:
tlbtab_start
tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_RWX | SA_IG)
tlbentry( CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG)
tlbentry( CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_RWX | SA_IG)
tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_IG )
tlbentry( CONFIG_SYS_SDRAM_BASE+0x10000000, SZ_256M, 0x10000000, 0, AC_RWX | SA_IG )
tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG )
tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_RW | SA_IG )
tlbtab_end