board/freescale/mpc8540ads/tlb.c

   1 /*
   2  * Copyright 2008 Freescale Semiconductor, Inc.
   3  *
   4  * (C) Copyright 2000
   5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #include <common.h>
  11 #include <asm/mmu.h>
  12
  13 struct fsl_e_tlb_entry tlb_table[] = {
  14         /* TLB 0 - for temp stack in cache */
  15         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
  16                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  17                       0, 0, BOOKE_PAGESZ_4K, 0),
  18         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
  19                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  20                       0, 0, BOOKE_PAGESZ_4K, 0),
  21         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
  22                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  23                       0, 0, BOOKE_PAGESZ_4K, 0),
  24         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
  25                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  26                       0, 0, BOOKE_PAGESZ_4K, 0),
  27
  28         /*
  29          * TLB 0:       16M     Non-cacheable, guarded
  30          * 0xff000000   16M     FLASH
  31          * Out of reset this entry is only 4K.
  32          */
  33         SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE,
  34                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  35                       0, 0, BOOKE_PAGESZ_16M, 1),
  36
  37         /*
  38          * TLB 1:       256M    Non-cacheable, guarded
  39          * 0x80000000   256M    PCI1 MEM First half
  40          */
  41         SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_VIRT, CONFIG_SYS_PCI1_MEM_PHYS,
  42                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  43                       0, 1, BOOKE_PAGESZ_256M, 1),
  44
  45         /*
  46          * TLB 2:       256M    Non-cacheable, guarded
  47          * 0x90000000   256M    PCI1 MEM Second half
  48          */
  49         SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_VIRT + 0x10000000, CONFIG_SYS_PCI1_MEM_PHYS + 0x10000000,
  50                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  51                       0, 2, BOOKE_PAGESZ_256M, 1),
  52
  53         /*
  54          * TLB 3:       256M    Non-cacheable, guarded
  55          * 0xc0000000   256M    Rapid IO MEM First half
  56          */
  57         SET_TLB_ENTRY(1, CONFIG_SYS_RIO_MEM_VIRT, CONFIG_SYS_RIO_MEM_PHYS,
  58                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  59                       0, 3, BOOKE_PAGESZ_256M, 1),
  60
  61         /*
  62          * TLB 4:       256M    Non-cacheable, guarded
  63          * 0xd0000000   256M    Rapid IO MEM Second half
  64          */
  65         SET_TLB_ENTRY(1, CONFIG_SYS_RIO_MEM_VIRT + 0x10000000, CONFIG_SYS_RIO_MEM_PHYS + 0x10000000,
  66                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  67                       0, 4, BOOKE_PAGESZ_256M, 1),
  68
  69         /*
  70          * TLB 5:       64M     Non-cacheable, guarded
  71          * 0xe000_0000  1M      CCSRBAR
  72          * 0xe200_0000  16M     PCI1 IO
  73          */
  74         SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  75                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  76                       0, 5, BOOKE_PAGESZ_64M, 1),
  77
  78         /*
  79          * TLB 6:       64M     Cacheable, non-guarded
  80          * 0xf000_0000  64M     LBC SDRAM
  81          */
  82         SET_TLB_ENTRY(1, CONFIG_SYS_LBC_SDRAM_BASE, CONFIG_SYS_LBC_SDRAM_BASE,
  83                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  84                       0, 6, BOOKE_PAGESZ_64M, 1),
  85
  86         /*
  87          * TLB 7:       16K     Non-cacheable, guarded
  88          * 0xf8000000   16K     BCSR registers
  89          */
  90         SET_TLB_ENTRY(1, CONFIG_SYS_BCSR, CONFIG_SYS_BCSR,
  91                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  92                       0, 7, BOOKE_PAGESZ_16K, 1),
  93 };
  94
  95 int num_tlb_entries = ARRAY_SIZE(tlb_table);