/* * (C) Copyright 2007 * Stefan Roese, DENX Software Engineering, sr@denx.de. * * Copyright (C) 2002 Scott McNutt * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include /************************************************************************** * 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