board/xes/xpedite1000/init.S

   1 /*
   2 * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
   3  * SPDX-License-Identifier:     GPL-2.0+
   4 */
   5
   6 #include <ppc_asm.tmpl>
   7 #include <asm/mmu.h>
   8 #include <config.h>
   9 #include <asm/ppc4xx.h>
  10
  11 /*
  12  * TLB TABLE
  13  *
  14  * This table is used by the cpu boot code to setup the initial tlb
  15  * entries. Rather than make broad assumptions in the cpu source tree,
  16  * this table lets each board set things up however they like.
  17  *
  18  * Pointer to the table is returned in r1
  19  */
  20
  21         .section .bootpg,"ax"
  22         .globl tlbtab
  23
  24 tlbtab:
  25         tlbtab_start
  26         tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_RWX | SA_IG)
  27         tlbentry( CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG)
  28         tlbentry( CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_RWX | SA_IG)
  29         tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_IG )
  30         tlbentry( CONFIG_SYS_SDRAM_BASE+0x10000000, SZ_256M, 0x10000000, 0, AC_RWX | SA_IG )
  31         tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG )
  32         tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_RW | SA_IG )
  33         tlbtab_end