54 lines
1.8 KiB
ArmAsm
54 lines
1.8 KiB
ArmAsm
/*
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* (C) Copyright 2006
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <asm-offsets.h>
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#include <ppc_asm.tmpl>
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#include <asm/mmu.h>
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#include <config.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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tlbentry(0xff000000, SZ_16M, 0xff000000, 1, AC_RWX | SA_IG )
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tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG)
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tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_RWX)
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tlbentry(CONFIG_SYS_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_RWX)
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#ifdef CONFIG_4xx_DCACHE
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tlbentry(CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_G)
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#else
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tlbentry(CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_IG)
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#endif
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#ifdef CONFIG_SYS_INIT_RAM_DCACHE
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/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
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tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_64K, CONFIG_SYS_INIT_RAM_ADDR, 0, AC_RWX | SA_G)
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#endif
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tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG)
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/* PCI */
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tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, CONFIG_SYS_PCI_MEMBASE, 3, AC_RW | SA_IG)
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tlbentry(CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1, 3, AC_RW | SA_IG)
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tlbentry(CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2, 3, AC_RW | SA_IG)
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/* NAND */
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tlbentry(CONFIG_SYS_NAND_BASE, SZ_4K, CONFIG_SYS_NAND_BASE, 1, AC_RWX | SA_IG)
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tlbtab_end
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