xref: /openbmc/u-boot/board/freescale/t4rdb/tlb.c (revision 274bced8)
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 512K SRAM */
34 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
35 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
36 			0, 0, BOOKE_PAGESZ_512K, 1),
37 #else
38 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
39 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
40 		      0, 0, BOOKE_PAGESZ_4K, 1),
41 #endif
42 
43 	/* *I*G* - CCSRBAR */
44 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
45 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
46 		      0, 1, BOOKE_PAGESZ_16M, 1),
47 
48 	/* *I*G* - Flash, localbus */
49 	/* This will be changed to *I*G* after relocation to RAM. */
50 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
51 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
52 		      0, 2, BOOKE_PAGESZ_256M, 1),
53 
54 #ifndef CONFIG_SPL_BUILD
55 	/* *I*G* - PCI */
56 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
57 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
58 		      0, 3, BOOKE_PAGESZ_1G, 1),
59 
60 	/* *I*G* - PCI */
61 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x40000000,
62 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x40000000,
63 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
64 		      0, 4, BOOKE_PAGESZ_256M, 1),
65 
66 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x50000000,
67 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x50000000,
68 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
69 		      0, 5, BOOKE_PAGESZ_256M, 1),
70 
71 	/* *I*G* - PCI I/O */
72 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
73 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
74 		      0, 6, BOOKE_PAGESZ_256K, 1),
75 
76 	/* Bman/Qman */
77 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
78 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
79 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
80 		      0, 9, BOOKE_PAGESZ_16M, 1),
81 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
82 		      CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
83 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
84 		      0, 10, BOOKE_PAGESZ_16M, 1),
85 #endif
86 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
87 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
88 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
89 		      0, 11, BOOKE_PAGESZ_16M, 1),
90 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
91 		      CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
92 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
93 		      0, 12, BOOKE_PAGESZ_16M, 1),
94 #endif
95 #endif
96 
97 #ifdef CONFIG_SYS_DCSRBAR_PHYS
98 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
99 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
100 		      0, 13, BOOKE_PAGESZ_32M, 1),
101 #endif
102 #ifdef CONFIG_SYS_NAND_BASE
103 	/*
104 	 * *I*G - NAND
105 	 * entry 14 and 15 has been used hard coded, they will be disabled
106 	 * in cpu_init_f, so we use entry 16 for 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, 16, BOOKE_PAGESZ_64K, 1),
111 #endif
112 #ifdef CONFIG_SYS_CPLD_BASE
113 	SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
114 		      MAS3_SW|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
115 		      0, 17, BOOKE_PAGESZ_4K, 1),
116 #endif
117 #if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD)
118 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
119 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
120 		      0, 18, BOOKE_PAGESZ_2G, 1)
121 #endif
122 };
123 
124 int num_tlb_entries = ARRAY_SIZE(tlb_table);
125