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/*
* (C) Copyright 2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <ppc_asm.tmpl>
#include <config.h>
#include <asm/mmu.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
/*
* BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
* speed up boot process. It is patched after relocation to enable SA_I
*/
tlbentry(0xfff00000, SZ_1M, 0xfff00000, 1, AC_RWX | SA_G)
tlbentry(0xffc00000, SZ_1M, 0xffc00000, 1, AC_RWX | SA_IG)
tlbentry(0xffd00000, SZ_1M, 0xffd00000, 1, AC_RWX | SA_IG)
tlbentry(0xffe00000, SZ_1M, 0xffe00000, 1, AC_RWX | SA_IG)
tlbentry(0xff900000, SZ_1M, 0xff900000, 1, AC_RWX | SA_IG)
tlbentry(CONFIG_SYS_EPLD_BASE, SZ_256K, 0xff000000, 1, AC_RW | SA_IG)
/*
* TLB entries for SDRAM are not needed on this platform.
* They are dynamically generated in the SPD DDR(2) detection
* routine.
*/
/* internal ram (l2 cache) */
tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_RWX | SA_I)
/* peripherals at f0000000 */
tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_4K, CONFIG_SYS_PERIPHERAL_BASE, 1, AC_RW | SA_IG)
/* PCI */
tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 9, AC_RW | SA_IG)
tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x10000000, 9, AC_RW | SA_IG)
tlbtab_end
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