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board/freescale/t1040qds/tlb.c 3.59 KB
7d436078f   Prabhakar Kushwaha   powerpc/t1040qds:...
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  /*
   * Copyright 2013 Freescale Semiconductor, Inc.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #include <common.h>
  #include <asm/mmu.h>
  
  struct fsl_e_tlb_entry tlb_table[] = {
  	/* TLB 0 - for temp stack in cache */
  	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
  		      CONFIG_SYS_INIT_RAM_ADDR_PHYS,
  		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
  		      0, 0, BOOKE_PAGESZ_4K, 0),
  	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
  		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
  		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
  		      0, 0, BOOKE_PAGESZ_4K, 0),
  	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
  		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
  		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
  		      0, 0, BOOKE_PAGESZ_4K, 0),
  	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
  		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
  		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
  		      0, 0, BOOKE_PAGESZ_4K, 0),
  
  	/* TLB 1 */
  	/* *I*** - Covers boot page */
  #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR)
  	/*
  	 * *I*G - L3SRAM. When L3 is used as 256K SRAM, the address of the
  	 * SRAM is at 0xfffc0000, it covered the 0xfffff000.
  	 */
  	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
  		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  		      0, 0, BOOKE_PAGESZ_256K, 1),
  #else
  	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  		      0, 0, BOOKE_PAGESZ_4K, 1),
  #endif
  
  	/* *I*G* - CCSRBAR */
  	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  		      0, 1, BOOKE_PAGESZ_16M, 1),
  
  	/* *I*G* - Flash, localbus */
  	/* This will be changed to *I*G* after relocation to RAM. */
  	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
  		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
  		      0, 2, BOOKE_PAGESZ_256M, 1),
  
  	/* *I*G* - PCI */
  	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
  		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  		      0, 3, BOOKE_PAGESZ_1G, 1),
  
  	/* *I*G* - PCI I/O */
  	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
  		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  		      0, 4, BOOKE_PAGESZ_256K, 1),
  
  	/* Bman/Qman */
  #ifdef CONFIG_SYS_BMAN_MEM_PHYS
  	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
  		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
  		      0, 5, BOOKE_PAGESZ_16M, 1),
  	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
  		      CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
  		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  		      0, 6, BOOKE_PAGESZ_16M, 1),
  #endif
  #ifdef CONFIG_SYS_QMAN_MEM_PHYS
  	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
  		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
  		      0, 7, BOOKE_PAGESZ_16M, 1),
  	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
  		      CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
  		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  		      0, 8, BOOKE_PAGESZ_16M, 1),
  #endif
  #ifdef CONFIG_SYS_DCSRBAR_PHYS
  	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
  		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  		      0, 9, BOOKE_PAGESZ_4M, 1),
  #endif
  #ifdef CONFIG_SYS_NAND_BASE
  	/*
  	 * *I*G - NAND
  	 * entry 14 and 15 has been used hard coded, they will be disabled
  	 * in cpu_init_f, so we use entry 16 for nand.
  	 */
  	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
  		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  		      0, 10, BOOKE_PAGESZ_64K, 1),
  #endif
  #ifdef QIXIS_BASE
  	SET_TLB_ENTRY(1, QIXIS_BASE, QIXIS_BASE_PHYS,
  		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  		      0, 11, BOOKE_PAGESZ_4K, 1),
  #endif
  
  };
  
  int num_tlb_entries = ARRAY_SIZE(tlb_table);