mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 10:48:51 +00:00
59 lines
1.8 KiB
ArmAsm
59 lines
1.8 KiB
ArmAsm
/*
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* (C) Copyright 2007
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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*
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* Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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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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#include <asm/ppc4xx.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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/*
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* BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
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* speed up boot process. It is patched after relocation to enable SA_I
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*/
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tlbentry(0xfff00000, SZ_1M, 0xfff00000, 1, AC_RWX | SA_G)
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tlbentry(0xffc00000, SZ_1M, 0xffc00000, 1, AC_RWX | SA_IG)
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tlbentry(0xffd00000, SZ_1M, 0xffd00000, 1, AC_RWX | SA_IG)
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tlbentry(0xffe00000, SZ_1M, 0xffe00000, 1, AC_RWX | SA_IG)
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tlbentry(0xff900000, SZ_1M, 0xff900000, 1, AC_RWX | SA_IG)
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tlbentry(CONFIG_SYS_EPLD_BASE, SZ_256K, 0xff000000, 1, AC_RW | SA_IG)
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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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/* internal ram (l2 cache) */
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tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_RWX | SA_I)
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/* peripherals at f0000000 */
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tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_4K, CONFIG_SYS_PERIPHERAL_BASE, 1, AC_RW | SA_IG)
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/* PCI */
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tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 9, AC_RW | SA_IG)
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tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x10000000, 9, AC_RW | SA_IG)
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tlbtab_end
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