board/freescale/b4860qds/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,
  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 1M SRAM, the address of the
  34          * SRAM is at 0xfff00000, 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_1M, 1),
  39 #elif defined(CONFIG_SRIO_PCIE_BOOT_SLAVE)
  40         /*
  41          * SRIO_PCIE_BOOT-SLAVE. When slave boot, the address of the
  42          * space is at 0xfff00000, it covered the 0xfffff000.
  43          */
  44         SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR,
  45                       CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR_PHYS,
  46                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
  47                       0, 0, BOOKE_PAGESZ_1M, 1),
  48 #else
  49         SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  50                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  51                       0, 0, BOOKE_PAGESZ_4K, 1),
  52 #endif
  53
  54         /* *I*G* - CCSRBAR */
  55         SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  56                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  57                       0, 1, BOOKE_PAGESZ_16M, 1),
  58
  59         /* *I*G* - Flash, localbus */
  60         /* This will be changed to *I*G* after relocation to RAM. */
  61         SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
  62                       MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
  63                       0, 2, BOOKE_PAGESZ_256M, 1),
  64
  65         /* *I*G* - PCI */
  66         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
  67                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  68                       0, 3, BOOKE_PAGESZ_256M, 1),
  69
  70         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x10000000,
  71                       CONFIG_SYS_PCIE1_MEM_PHYS + 0x10000000,
  72                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  73                       0, 4, BOOKE_PAGESZ_256M, 1),
  74
  75         /* *I*G* - PCI I/O */
  76         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
  77                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  78                       0, 5, BOOKE_PAGESZ_64K, 1),
  79
  80         /* Bman/Qman */
  81 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
  82         SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
  83                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  84                       0, 6, BOOKE_PAGESZ_16M, 1),
  85         SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
  86                       CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
  87                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  88                       0, 7, BOOKE_PAGESZ_16M, 1),
  89 #endif
  90 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
  91         SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
  92                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
  93                       0, 8, BOOKE_PAGESZ_16M, 1),
  94         SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
  95                       CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
  96                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  97                       0, 9, BOOKE_PAGESZ_16M, 1),
  98 #endif
  99 #ifdef CONFIG_SYS_DCSRBAR_PHYS
 100         SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
 101                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 102                       0, 10, BOOKE_PAGESZ_32M, 1),
 103 #endif
 104 #ifdef CONFIG_SYS_NAND_BASE
 105         /*
 106          * *I*G - NAND
 107          */
 108         SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
 109                         MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 110                         0, 11, BOOKE_PAGESZ_64K, 1),
 111 #endif
 112         SET_TLB_ENTRY(1, QIXIS_BASE, QIXIS_BASE_PHYS,
 113                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 114                       0, 12, BOOKE_PAGESZ_4K, 1),
 115
 116         /*
 117          * *I*G - SRIO
 118          * entry 14 and 15 has been used hard coded, they will be disabled
 119          * in cpu_init_f, so we use entry 16 for SRIO2.
 120          */
 121 #ifdef CONFIG_SYS_SRIO1_MEM_PHYS
 122         /* *I*G* - SRIO1 */
 123         SET_TLB_ENTRY(1, CONFIG_SYS_SRIO1_MEM_VIRT, CONFIG_SYS_SRIO1_MEM_PHYS,
 124                 MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 125                       0, 13, BOOKE_PAGESZ_256M, 1),
 126 #endif
 127 #ifdef CONFIG_SYS_SRIO2_MEM_PHYS
 128         /* *I*G* - SRIO2 */
 129         SET_TLB_ENTRY(1, CONFIG_SYS_SRIO2_MEM_VIRT, CONFIG_SYS_SRIO2_MEM_PHYS,
 130                 MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 131                       0, 16, BOOKE_PAGESZ_256M, 1),
 132 #endif
 133 #ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
 134         /*
 135          * SRIO_PCIE_BOOT-SLAVE. 1M space from 0xffe00000 for
 136          * fetching ucode and ENV from master
 137          */
 138         SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR,
 139                       CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR_PHYS,
 140                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
 141                       0, 17, BOOKE_PAGESZ_1M, 1),
 142 #endif
 143 };
 144
 145 int num_tlb_entries = ARRAY_SIZE(tlb_table);