board/gdsys/p1022/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  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <common.h>
  10 #include <asm/mmu.h>
  11
  12 struct fsl_e_tlb_entry tlb_table[] = {
  13         /* TLB 0 - for temp stack in cache */
  14         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
  15                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  16                       0, 0, BOOKE_PAGESZ_4K, 0),
  17         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
  18                       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,
  22                       CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
  23                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  24                       0, 0, BOOKE_PAGESZ_4K, 0),
  25         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
  26                       CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
  27                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  28                       0, 0, BOOKE_PAGESZ_4K, 0),
  29
  30         /* TLB 1 */
  31         /* *I*** - Covers boot page */
  32         SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  33                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
  34                       0, 0, BOOKE_PAGESZ_4K, 1),
  35
  36         /* *I*G* - CCSRBAR */
  37         SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  38                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  39                       0, 1, BOOKE_PAGESZ_1M, 1),
  40
  41         /* *I*G* - eLBC */
  42         SET_TLB_ENTRY(1, CONFIG_SYS_ELBC_BASE, CONFIG_SYS_ELBC_BASE_PHYS,
  43                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  44                       0, 2, BOOKE_PAGESZ_1M, 1),
  45
  46 #if defined(CONFIG_TRAILBLAZER)
  47         /* *I*G - L2SRAM */
  48         SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
  49                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  50                       0, 9, BOOKE_PAGESZ_256K, 1),
  51 #else
  52         /* *I*G* - PCI */
  53         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
  54                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  55                       0, 3, BOOKE_PAGESZ_256M, 1),
  56         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x10000000,
  57                       CONFIG_SYS_PCIE1_MEM_PHYS + 0x10000000,
  58                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  59                       0, 4, BOOKE_PAGESZ_256M, 1),
  60
  61         /* *I*G* - PCI I/O */
  62         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
  63                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  64                       0, 5, BOOKE_PAGESZ_256K, 1),
  65
  66 #ifdef CONFIG_SYS_RAMBOOT
  67         SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
  68                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
  69                       0, 6, BOOKE_PAGESZ_1G, 1),
  70 #endif
  71 #endif
  72 };
  73
  74 int num_tlb_entries = ARRAY_SIZE(tlb_table);