| /* |
| * Copyright (C) 2005 Sandburst Corporation |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| /* |
| * Ported from Ebony init.S by Travis B. Sawyer |
| */ |
| |
| #include <ppc_asm.tmpl> |
| #include <asm/mmu.h> |
| #include <config.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 |
| tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_RWX | SA_IG) |
| tlbentry( CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG) |
| tlbentry( CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_RWX | SA_IG) |
| tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_IG ) |
| tlbentry( CONFIG_SYS_SDRAM_BASE+0x10000000, SZ_256M, 0x10000000, 0, AC_RWX | SA_IG ) |
| tlbentry( CONFIG_SYS_SDRAM_BASE+0x20000000, SZ_256M, 0x20000000, 0, AC_RWX | SA_IG ) |
| tlbentry( CONFIG_SYS_SDRAM_BASE+0x30000000, SZ_256M, 0x30000000, 0, AC_RWX | SA_IG ) |
| tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG ) |
| tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_RW | SA_IG ) |
| tlbtab_end |