| /* |
| * (C) Copyright 2008 |
| * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de |
| * |
| * based on board/amcc/yosemite/init.S |
| * original Copyright not specified there |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <asm-offsets.h> |
| #include <ppc_asm.tmpl> |
| #include <config.h> |
| |
| #include <asm/mmu.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( CONFIG_SYS_BOOT_BASE_ADDR, SZ_256M, CONFIG_SYS_BOOT_BASE_ADDR, |
| 0, AC_RWX | SA_G/*|SA_I*/) |
| |
| /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ |
| tlbentry( CONFIG_SYS_INIT_RAM_ADDR, SZ_64K, CONFIG_SYS_INIT_RAM_ADDR, |
| 0, AC_RWX | SA_G ) |
| |
| tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, CONFIG_SYS_SDRAM_BASE, |
| 0, AC_RWX | SA_IG ) |
| tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, CONFIG_SYS_PCI_BASE, |
| 0, AC_RW | SA_IG ) |
| |
| /* PCI */ |
| tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, CONFIG_SYS_PCI_MEMBASE, |
| 0, AC_RW | SA_IG ) |
| tlbentry( CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1, |
| 0, AC_RW | SA_IG ) |
| tlbentry( CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2, |
| 0, AC_RW | SA_IG ) |
| tlbentry( CONFIG_SYS_PCI_MEMBASE3, SZ_256M, CONFIG_SYS_PCI_MEMBASE3, |
| 0, AC_RW | SA_IG ) |
| |
| tlbtab_end |