board/freescale/bsc9131rdb/tlb.c

   1 /*
   2  * Copyright 2011-2012 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <asm/mmu.h>
   9
  10 struct fsl_e_tlb_entry tlb_table[] = {
  11         /* TLB 0 - for temp stack in cache */
  12         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
  13                         MAS3_SX|MAS3_SW|MAS3_SR, 0,
  14                         0, 0, BOOKE_PAGESZ_4K, 0),
  15         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 ,
  16                         CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
  17                         MAS3_SX|MAS3_SW|MAS3_SR, 0,
  18                         0, 0, BOOKE_PAGESZ_4K, 0),
  19         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 ,
  20                         CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
  21                         MAS3_SX|MAS3_SW|MAS3_SR, 0,
  22                         0, 0, BOOKE_PAGESZ_4K, 0),
  23         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 ,
  24                         CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
  25                         MAS3_SX|MAS3_SW|MAS3_SR, 0,
  26                         0, 0, BOOKE_PAGESZ_4K, 0),
  27
  28         /* TLB 1 */
  29         /* *I*** - Covers boot page */
  30         SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  31                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  32                       0, 0, BOOKE_PAGESZ_4K, 1),
  33 #ifdef CONFIG_SPL_NAND_BOOT
  34         SET_TLB_ENTRY(1, 0xffffe000, 0xffffe000,
  35                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  36                       0, 10, BOOKE_PAGESZ_4K, 1),
  37 #endif
  38
  39         /* *I*G* - CCSRBAR (PA) */
  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         /* CCSRBAR (DSP) */
  45         SET_TLB_ENTRY(1, CONFIG_SYS_FSL_DSP_CCSRBAR,
  46                       CONFIG_SYS_FSL_DSP_CCSRBAR_PHYS,
  47                       MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  48                       0, 2, BOOKE_PAGESZ_1M, 1),
  49
  50 #if  defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)
  51         SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
  52                         MAS3_SX|MAS3_SW|MAS3_SR, 0,
  53                         0, 8, BOOKE_PAGESZ_1G, 1),
  54 #endif
  55
  56         SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
  57                         MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  58                         0, 3, BOOKE_PAGESZ_1M, 1)
  59
  60 };
  61
  62 int num_tlb_entries = ARRAY_SIZE(tlb_table);