board/freescale/mpc8536ds/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         SET_TLB_ENTRY(0, PIXIS_BASE, PIXIS_BASE_PHYS,
  29                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  30                       0, 0, BOOKE_PAGESZ_4K, 0),
  31
  32         /* TLB 1 */
  33         /* *I*G* - CCSRBAR */
  34         SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  35                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  36                       0, 0, BOOKE_PAGESZ_1M, 1),
  37
  38         /* W**G* - Flash/promjet, localbus */
  39         /* This will be changed to *I*G* after relocation to RAM. */
  40         SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
  41                       MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
  42                       0, 1, BOOKE_PAGESZ_256M, 1),
  43
  44         /* *I*G* - PCI */
  45         SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_VIRT, CONFIG_SYS_PCI1_MEM_PHYS,
  46                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  47                       0, 2, BOOKE_PAGESZ_1G, 1),
  48
  49         /* *I*G* - PCI I/O */
  50         SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_IO_VIRT, CONFIG_SYS_PCI1_IO_PHYS,
  51                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  52                       0, 3, BOOKE_PAGESZ_256K, 1),
  53
  54         /* *I*G - NAND */
  55         SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
  56                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  57                       0, 4, BOOKE_PAGESZ_1M, 1),
  58
  59 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
  60         /* *I*G - L2SRAM */
  61         SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
  62                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  63                       0, 5, BOOKE_PAGESZ_256K, 1),
  64         SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
  65                       CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
  66                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  67                       0, 6, BOOKE_PAGESZ_256K, 1),
  68 #endif
  69 };
  70
  71 int num_tlb_entries = ARRAY_SIZE(tlb_table);