mirror of
https://github.com/AsahiLinux/u-boot
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106 lines
3.4 KiB
ArmAsm
106 lines
3.4 KiB
ArmAsm
/*
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <ppc_asm.tmpl>
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#include <config.h>
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#include <asm/mmu.h>
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/**************************************************************************
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* TLB TABLE
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*
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* This table is used by the cpu boot code to setup the initial tlb
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* entries. Rather than make broad assumptions in the cpu source tree,
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* this table lets each board set things up however they like.
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*
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* Pointer to the table is returned in r1
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*
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*************************************************************************/
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.section .bootpg,"ax"
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.globl tlbtab
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tlbtab:
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tlbtab_start
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/* TLB#0: vxWorks needs this entry for the Machine Check interrupt, */
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tlbentry( 0x40000000, SZ_256M, 0, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
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/* TLB#1: TLB-entry for DDR SDRAM (Up to 2GB) */
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tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, CONFIG_SYS_SDRAM_BASE, 0,
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AC_R|AC_W|AC_X|SA_G|SA_I )
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/* TLB#2: TLB-entry for EBC */
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tlbentry( 0x80000000, SZ_256M, 0x80000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
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/*
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* TLB#3: BOOT_CS (FLASH) must be forth. Before relocation SA_I can be
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* off to use the speed up boot process. It is patched after relocation
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* to enable SA_I
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*/
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tlbentry( CONFIG_SYS_BOOT_BASE_ADDR, SZ_1M, CONFIG_SYS_BOOT_BASE_ADDR, 1,
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AC_R|AC_W|AC_X|SA_G)
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/*
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* TLB entries for SDRAM are not needed on this platform.
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* They are dynamically generated in the SPD DDR(2) detection
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* routine.
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*/
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/* TLB#4: */
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tlbentry( CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1, 1,
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AC_R|AC_W|SA_G|SA_I )
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/* TLB#5: */
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tlbentry( CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2, 1,
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AC_R|AC_W|SA_G|SA_I )
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/* TLB#6: */
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tlbentry( CONFIG_SYS_PCI_MEMBASE3, SZ_256M, CONFIG_SYS_PCI_MEMBASE3, 1,
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AC_R|AC_W|SA_G|SA_I )
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/* TLB-entry for Internal Registers & OCM */
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/* TLB#7: */
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tlbentry( 0xe0000000, SZ_16M, 0xe0000000, 0,
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AC_R|AC_W|AC_X|SA_G|SA_I )
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/*TLB-entry PCI registers*/
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/* TLB#8: */
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tlbentry( 0xEEC00000, SZ_1K, 0xEEC00000, 1, AC_R|AC_W|AC_X|SA_G|SA_I )
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/* TLB-entry for peripherals */
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/* TLB#9: */
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tlbentry( 0xEF000000, SZ_16M, 0xEF000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
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/* CAN */
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/* TLB#10: */
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tlbentry( CONFIG_SYS_CS_1, SZ_1K, CONFIG_SYS_CS_1, 1, AC_R|AC_W|AC_X|SA_G|SA_I )
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/* TLB#11: CPLD and IMC-Standard 32 MB */
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tlbentry( CONFIG_SYS_CS_2, SZ_16M, CONFIG_SYS_CS_2, 1, AC_R|AC_W|AC_X|SA_G|SA_I )
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/* TLB#12: */
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tlbentry( CONFIG_SYS_CS_2 + 0x1000000, SZ_16M, CONFIG_SYS_CS_2 + 0x1000000, 1,
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AC_R|AC_W|AC_X|SA_G|SA_I )
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/* IMC-Fast 32 MB */
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/* TLB#13: */
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tlbentry( CONFIG_SYS_CS_3, SZ_16M, CONFIG_SYS_CS_3, 1, AC_R|AC_W|AC_X|SA_G|SA_I )
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/* TLB#14: */
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tlbentry( CONFIG_SYS_CS_3 + 0x1000000, SZ_16M, CONFIG_SYS_CS_3, 1,
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AC_R|AC_W|AC_X|SA_G|SA_I )
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tlbtab_end
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