1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * (C) Copyright 2008 4 * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com. 5 * 6 * Copyright 2008 Freescale Semiconductor, Inc. 7 * 8 * (C) Copyright 2000 9 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 10 */ 11 12 #include <config.h> 13 #include <asm/mmu.h> 14 #include <asm/ppc.h> 15 16 struct fsl_e_tlb_entry tlb_table[] = { 17 /* TLB 0 - for temp stack in cache */ 18 SET_TLB_ENTRY(0, CFG_SYS_INIT_RAM_ADDR, CFG_SYS_INIT_RAM_ADDR, 19 MAS3_SX|MAS3_SW|MAS3_SR, 0, 20 0, 0, BOOKE_PAGESZ_4K, 0), 21 SET_TLB_ENTRY(0, CFG_SYS_INIT_RAM_ADDR + 4 * 1024 , CFG_SYS_INIT_RAM_ADDR + 4 * 1024, 22 MAS3_SX|MAS3_SW|MAS3_SR, 0, 23 0, 0, BOOKE_PAGESZ_4K, 0), 24 SET_TLB_ENTRY(0, CFG_SYS_INIT_RAM_ADDR + 8 * 1024 , CFG_SYS_INIT_RAM_ADDR + 8 * 1024, 25 MAS3_SX|MAS3_SW|MAS3_SR, 0, 26 0, 0, BOOKE_PAGESZ_4K, 0), 27 SET_TLB_ENTRY(0, CFG_SYS_INIT_RAM_ADDR + 12 * 1024 , CFG_SYS_INIT_RAM_ADDR + 12 * 1024, 28 MAS3_SX|MAS3_SW|MAS3_SR, 0, 29 0, 0, BOOKE_PAGESZ_4K, 0), 30 31 /* 32 * TLB 1: 64M Non-cacheable, guarded 33 * 0xfc000000 64M FLASH 34 * Out of reset this entry is only 4K. 35 */ 36 SET_TLB_ENTRY(1, CFG_SYS_FLASH_BASE, CFG_SYS_FLASH_BASE, 37 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 38 0, 1, BOOKE_PAGESZ_64M, 1), 39 40 /* 41 * TLB 2: 256M Non-cacheable, guarded 42 * 0x80000000 256M PCI1 MEM First half 43 */ 44 SET_TLB_ENTRY(1, CFG_SYS_PCI1_MEM_PHYS, CFG_SYS_PCI1_MEM_PHYS, 45 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 46 0, 2, BOOKE_PAGESZ_256M, 1), 47 48 /* 49 * TLB 3: 256M Non-cacheable, guarded 50 * 0x90000000 256M PCI1 MEM Second half 51 */ 52 SET_TLB_ENTRY(1, CFG_SYS_PCI1_MEM_PHYS + 0x10000000, CFG_SYS_PCI1_MEM_PHYS + 0x10000000, 53 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 54 0, 3, BOOKE_PAGESZ_256M, 1), 55 56 #if defined(CFG_SYS_FPGA_BASE) 57 /* 58 * TLB 4: 1M Non-cacheable, guarded 59 * 0xc0000000 1M FPGA and NAND 60 */ 61 SET_TLB_ENTRY(1, CFG_SYS_FPGA_BASE, CFG_SYS_FPGA_BASE, 62 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 63 0, 4, BOOKE_PAGESZ_1M, 1), 64 #endif 65 66 /* 67 * TLB 5: 64M Non-cacheable, guarded 68 * 0xc8000000 16M LIME GDC framebuffer 69 * 0xc9fc0000 256K LIME GDC MMIO 70 * (0xcbfc0000 256K LIME GDC MMIO) 71 * MMIO is relocatable and could be at 0xcbfc0000 72 */ 73 SET_TLB_ENTRY(1, CFG_SYS_LIME_BASE, CFG_SYS_LIME_BASE, 74 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 75 0, 5, BOOKE_PAGESZ_64M, 1), 76 77 /* 78 * TLB 6: 64M Non-cacheable, guarded 79 * 0xe000_0000 1M CCSRBAR 80 * 0xe200_0000 16M PCI1 IO 81 */ 82 SET_TLB_ENTRY(1, CFG_SYS_CCSRBAR, CFG_SYS_CCSRBAR_PHYS, 83 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 84 0, 6, BOOKE_PAGESZ_64M, 1), 85 86 #if !defined(CONFIG_SPD_EEPROM) 87 /* 88 * TLB 7+8: 512M DDR, cache disabled (needed for memory test) 89 * 0x00000000 512M DDR System memory 90 * Without SPD EEPROM configured DDR, this must be setup manually. 91 * Make sure the TLB count at the top of this table is correct. 92 * Likely it needs to be increased by two for these entries. 93 */ 94 SET_TLB_ENTRY(1, CFG_SYS_DDR_SDRAM_BASE, CFG_SYS_DDR_SDRAM_BASE, 95 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 96 0, 7, BOOKE_PAGESZ_256M, 1), 97 98 SET_TLB_ENTRY(1, CFG_SYS_DDR_SDRAM_BASE + 0x10000000, CFG_SYS_DDR_SDRAM_BASE + 0x10000000, 99 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 100 0, 8, BOOKE_PAGESZ_256M, 1), 101 #endif 102 }; 103 104 int num_tlb_entries = ARRAY_SIZE(tlb_table); 105