board/freescale/t4rdb/tlb.c

   1 /*
   2  * Copyright 2014 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,
  13                       CONFIG_SYS_INIT_RAM_ADDR_PHYS,
  14                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  15                       0, 0, BOOKE_PAGESZ_4K, 0),
  16         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
  17                       CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
  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 + 8 * 1024,
  21                       CONFIG_SYS_INIT_RAM_ADDR_PHYS + 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,
  25                       CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
  26                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  27                       0, 0, BOOKE_PAGESZ_4K, 0),
  28
  29         /* TLB 1 */
  30         /* *I*** - Covers boot page */
  31 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR)
  32         /*
  33          * *I*G - L3SRAM. When L3 is used as 512K SRAM */
  34         SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
  35                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  36                         0, 0, BOOKE_PAGESZ_512K, 1),
  37 #else
  38         SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  39                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  40                       0, 0, BOOKE_PAGESZ_4K, 1),
  41 #endif
  42
  43         /* *I*G* - CCSRBAR */
  44         SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  45                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  46                       0, 1, BOOKE_PAGESZ_16M, 1),
  47
  48         /* *I*G* - Flash, localbus */
  49         /* This will be changed to *I*G* after relocation to RAM. */
  50         SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
  51                       MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
  52                       0, 2, BOOKE_PAGESZ_256M, 1),
  53
  54         /* *I*G* - PCI */
  55         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
  56                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  57                       0, 3, BOOKE_PAGESZ_1G, 1),
  58
  59         /* *I*G* - PCI */
  60         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x40000000,
  61                       CONFIG_SYS_PCIE1_MEM_PHYS + 0x40000000,
  62                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  63                       0, 4, BOOKE_PAGESZ_256M, 1),
  64
  65         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x50000000,
  66                       CONFIG_SYS_PCIE1_MEM_PHYS + 0x50000000,
  67                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  68                       0, 5, BOOKE_PAGESZ_256M, 1),
  69
  70         /* *I*G* - PCI I/O */
  71         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
  72                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  73                       0, 6, BOOKE_PAGESZ_256K, 1),
  74
  75         /* Bman/Qman */
  76 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
  77         SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
  78                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  79                       0, 9, BOOKE_PAGESZ_16M, 1),
  80         SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
  81                       CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
  82                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  83                       0, 10, BOOKE_PAGESZ_16M, 1),
  84 #endif
  85 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
  86         SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
  87                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  88                       0, 11, BOOKE_PAGESZ_16M, 1),
  89         SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
  90                       CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
  91                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  92                       0, 12, BOOKE_PAGESZ_16M, 1),
  93 #endif
  94 #ifdef CONFIG_SYS_DCSRBAR_PHYS
  95         SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
  96                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  97                       0, 13, BOOKE_PAGESZ_32M, 1),
  98 #endif
  99 #ifdef CONFIG_SYS_NAND_BASE
 100         /*
 101          * *I*G - NAND
 102          * entry 14 and 15 has been used hard coded, they will be disabled
 103          * in cpu_init_f, so we use entry 16 for nand.
 104          */
 105         SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
 106                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 107                       0, 16, BOOKE_PAGESZ_64K, 1),
 108 #endif
 109 #ifdef CONFIG_SYS_CPLD_BASE
 110         SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
 111                       MAS3_SW|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 112                       0, 17, BOOKE_PAGESZ_4K, 1),
 113 #endif
 114 };
 115
 116 int num_tlb_entries = ARRAY_SIZE(tlb_table);