Oleksandr G Zhadan | 8b0044f | 2015-04-29 16:57:39 -0400 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2013-2015 Arcturus Networks, Inc |
| 3 | * http://www.arcturusnetworks.com/products/ucp1020/ |
| 4 | * based on board/freescale/p1_p2_rdb_pc/tlb.c |
| 5 | * original copyright follows: |
| 6 | * Copyright 2010-2011 Freescale Semiconductor, Inc. |
| 7 | * |
| 8 | * SPDX-License-Identifier: GPL-2.0+ |
| 9 | */ |
| 10 | |
| 11 | #include <common.h> |
| 12 | #include <asm/mmu.h> |
| 13 | |
| 14 | struct fsl_e_tlb_entry tlb_table[] = { |
| 15 | /* TLB 0 - for temp stack in cache */ |
| 16 | SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, |
| 17 | CONFIG_SYS_INIT_RAM_ADDR_PHYS, |
| 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 + 4 * 1024, |
| 21 | CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 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 + 8 * 1024, |
| 25 | CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024, |
| 26 | MAS3_SX | MAS3_SW | MAS3_SR, 0, |
| 27 | 0, 0, BOOKE_PAGESZ_4K, 0), |
| 28 | SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024, |
| 29 | CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024, |
| 30 | MAS3_SX | MAS3_SW | MAS3_SR, 0, |
| 31 | 0, 0, BOOKE_PAGESZ_4K, 0), |
| 32 | |
| 33 | /* TLB 1 */ |
| 34 | /* *I*** - Covers boot page */ |
| 35 | SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000, |
| 36 | MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I, |
| 37 | 0, 0, BOOKE_PAGESZ_4K, 1), |
| 38 | |
| 39 | /* *I*G* - CCSRBAR */ |
| 40 | SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS, |
| 41 | MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, |
| 42 | 0, 1, BOOKE_PAGESZ_1M, 1), |
| 43 | |
| 44 | #ifndef CONFIG_SPL_BUILD |
| 45 | /* W**G* - Flash/promjet, localbus */ |
| 46 | /* This will be changed to *I*G* after relocation to RAM. */ |
| 47 | SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS, |
| 48 | MAS3_SX | MAS3_SR, MAS2_W | MAS2_G, |
| 49 | 0, 2, BOOKE_PAGESZ_64M, 1), |
| 50 | |
| 51 | #ifdef CONFIG_PCI |
| 52 | /* *I*G* - PCI memory 1.5G */ |
| 53 | SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS, |
| 54 | MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, |
| 55 | 0, 3, BOOKE_PAGESZ_1G, 1), |
| 56 | |
| 57 | /* *I*G* - PCI I/O effective: 192K */ |
| 58 | SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS, |
| 59 | MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, |
| 60 | 0, 4, BOOKE_PAGESZ_256K, 1), |
| 61 | #endif |
| 62 | |
| 63 | #ifdef CONFIG_VSC7385_ENET |
| 64 | /* *I*G - VSC7385 Switch */ |
| 65 | SET_TLB_ENTRY(1, CONFIG_SYS_VSC7385_BASE, CONFIG_SYS_VSC7385_BASE_PHYS, |
| 66 | MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, |
| 67 | 0, 5, BOOKE_PAGESZ_1M, 1), |
| 68 | #endif |
| 69 | #endif /* not SPL */ |
| 70 | |
| 71 | #ifdef CONFIG_SYS_NAND_BASE |
| 72 | /* *I*G - NAND */ |
| 73 | SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS, |
| 74 | MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, |
| 75 | 0, 7, BOOKE_PAGESZ_1M, 1), |
| 76 | #endif |
| 77 | |
| 78 | #if defined(CONFIG_SYS_RAMBOOT) || \ |
| 79 | (defined(CONFIG_SPL) && !defined(CONFIG_SPL_COMMON_INIT_DDR)) |
| 80 | /* *I*G - eSDHC/eSPI/NAND boot */ |
| 81 | SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE, |
| 82 | MAS3_SX | MAS3_SW | MAS3_SR, 0, |
| 83 | 0, 8, BOOKE_PAGESZ_1G, 1), |
| 84 | |
| 85 | #endif /* RAMBOOT/SPL */ |
| 86 | |
| 87 | #ifdef CONFIG_SYS_INIT_L2_ADDR |
| 88 | /* *I*G - L2SRAM */ |
| 89 | SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS, |
| 90 | MAS3_SX | MAS3_SW | MAS3_SR, MAS2_G, |
| 91 | 0, 11, BOOKE_PAGESZ_256K, 1), |
| 92 | #if CONFIG_SYS_L2_SIZE >= (256 << 10) |
| 93 | SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000, |
| 94 | CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000, |
| 95 | MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, |
| 96 | 0, 12, BOOKE_PAGESZ_256K, 1) |
| 97 | #endif |
| 98 | #endif |
| 99 | }; |
| 100 | |
| 101 | int num_tlb_entries = ARRAY_SIZE(tlb_table); |