board/freescale/t102xqds/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 256K SRAM, the address of the
  34          * SRAM is at 0xfffc0000, it covered the 0xfffff000.
  35          */
  36         SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
  37                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  38                       0, 0, BOOKE_PAGESZ_256K, 1),
  39 #else
  40         SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  41                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  42                       0, 0, BOOKE_PAGESZ_4K, 1),
  43 #endif
  44
  45         /* *I*G* - CCSRBAR */
  46         SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  47                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  48                       0, 1, BOOKE_PAGESZ_16M, 1),
  49
  50         /* *I*G* - Flash, localbus */
  51         /* This will be changed to *I*G* after relocation to RAM. */
  52         SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
  53                       MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
  54                       0, 2, BOOKE_PAGESZ_256M, 1),
  55
  56 #ifndef CONFIG_SPL_BUILD
  57         /* *I*G* - PCI */
  58         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
  59                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  60                       0, 3, BOOKE_PAGESZ_1G, 1),
  61
  62         /* *I*G* - PCI I/O */
  63         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
  64                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  65                       0, 4, BOOKE_PAGESZ_256K, 1),
  66
  67         /* Bman/Qman */
  68 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
  69         SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
  70                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  71                       0, 5, BOOKE_PAGESZ_16M, 1),
  72         SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
  73                       CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
  74                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  75                       0, 6, BOOKE_PAGESZ_16M, 1),
  76 #endif
  77 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
  78         SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
  79                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  80                       0, 7, BOOKE_PAGESZ_16M, 1),
  81         SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
  82                       CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
  83                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  84                       0, 8, BOOKE_PAGESZ_16M, 1),
  85 #endif
  86 #endif
  87 #ifdef CONFIG_SYS_DCSRBAR_PHYS
  88         SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
  89                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  90                       0, 9, BOOKE_PAGESZ_4M, 1),
  91 #endif
  92 #ifdef CONFIG_SYS_NAND_BASE
  93         SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
  94                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  95                       0, 10, BOOKE_PAGESZ_64K, 1),
  96 #endif
  97 #ifdef QIXIS_BASE
  98         SET_TLB_ENTRY(1, QIXIS_BASE, QIXIS_BASE_PHYS,
  99                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 100                       0, 11, BOOKE_PAGESZ_4K, 1),
 101 #endif
 102
 103 #if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD)
 104         SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
 105                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
 106                       0, 12, BOOKE_PAGESZ_1G, 1),
 107         SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
 108                       CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
 109                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
 110                       0, 13, BOOKE_PAGESZ_1G, 1)
 111 #endif
 112         /* entry 14 and 15 has been used hard coded, they will be disabled
 113          * in cpu_init_f, so if needed more, will use entry 16 later.
 114          */
 115 };
 116
 117 int num_tlb_entries = ARRAY_SIZE(tlb_table);