board/freescale/p1022ds/tlb.c

   1 /*
   2  * Copyright 2010 Freescale Semiconductor, Inc.
   3  * Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
   4  *          Timur Tabi <timur@freescale.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the Free
   8  * Software Foundation; either version 2 of the License, or (at your option)
   9  * any later version.
  10  */
  11
  12 #include <common.h>
  13 #include <asm/mmu.h>
  14
  15 struct fsl_e_tlb_entry tlb_table[] = {
  16         /* TLB 0 - for temp stack in cache */
  17         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
  18                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  19                       0, 0, BOOKE_PAGESZ_4K, 0),
  20         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
  21                       CONFIG_SYS_INIT_RAM_ADDR + 4 * 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 + 8 * 1024,
  25                       CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
  26                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  27                       0, 0, BOOKE_PAGESZ_4K, 0),
  28         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
  29                       CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
  30                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  31                       0, 0, BOOKE_PAGESZ_4K, 0),
  32
  33         /* TLB 1 */
  34         /* *I*** - Covers boot page */
  35         SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  36                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
  37                       0, 0, BOOKE_PAGESZ_4K, 1),
  38
  39         /* *I*G* - CCSRBAR */
  40         SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  41                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  42                       0, 1, BOOKE_PAGESZ_1M, 1),
  43
  44         /* W**G* - Flash/promjet, localbus */
  45         /* This will be changed to *I*G* after relocation to RAM. */
  46         SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
  47                       MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
  48                       0, 2, BOOKE_PAGESZ_256M, 1),
  49
  50         /* *I*G* - PCI */
  51         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS,
  52                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  53                       0, 3, BOOKE_PAGESZ_1G, 1),
  54
  55         /* *I*G* - PCI */
  56         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x40000000,
  57                       CONFIG_SYS_PCIE3_MEM_PHYS + 0x40000000,
  58                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  59                       0, 4, BOOKE_PAGESZ_256M, 1),
  60
  61         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x50000000,
  62                       CONFIG_SYS_PCIE3_MEM_PHYS + 0x50000000,
  63                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  64                       0, 5, BOOKE_PAGESZ_256M, 1),
  65
  66         /* *I*G* - PCI I/O */
  67         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS,
  68                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  69                       0, 6, BOOKE_PAGESZ_256K, 1),
  70
  71         SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS,
  72                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  73                       0, 7, BOOKE_PAGESZ_4K, 1),
  74
  75 #ifdef CONFIG_SYS_RAMBOOT
  76         /* *I*G - eSDHC/eSPI/NAND boot */
  77         SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
  78                         MAS3_SX|MAS3_SW|MAS3_SR, 0,
  79                         0, 8, BOOKE_PAGESZ_1G, 1),
  80
  81         /* map the second 1G */
  82         SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
  83                         CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
  84                         MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  85                         0, 9, BOOKE_PAGESZ_1G, 1),
  86 #endif
  87 #
  88 };
  89
  90 int num_tlb_entries = ARRAY_SIZE(tlb_table);