xref: /openbmc/u-boot/board/freescale/t4rdb/tlb.c (revision ae485b54)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2014 Freescale Semiconductor, Inc.
4  */
5 
6 #include <common.h>
7 #include <asm/mmu.h>
8 
9 struct fsl_e_tlb_entry tlb_table[] = {
10 	/* TLB 0 - for temp stack in cache */
11 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
12 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS,
13 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
14 		      0, 0, BOOKE_PAGESZ_4K, 0),
15 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
16 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
17 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
18 		      0, 0, BOOKE_PAGESZ_4K, 0),
19 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
20 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
21 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
22 		      0, 0, BOOKE_PAGESZ_4K, 0),
23 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
24 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
25 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
26 		      0, 0, BOOKE_PAGESZ_4K, 0),
27 
28 	/* TLB 1 */
29 	/* *I*** - Covers boot page */
30 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR)
31 	/*
32 	 * *I*G - L3SRAM. When L3 is used as 512K SRAM */
33 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
34 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
35 			0, 0, BOOKE_PAGESZ_512K, 1),
36 #else
37 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
38 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
39 		      0, 0, BOOKE_PAGESZ_4K, 1),
40 #endif
41 
42 	/* *I*G* - CCSRBAR */
43 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
44 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
45 		      0, 1, BOOKE_PAGESZ_16M, 1),
46 
47 	/* *I*G* - Flash, localbus */
48 	/* This will be changed to *I*G* after relocation to RAM. */
49 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
50 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
51 		      0, 2, BOOKE_PAGESZ_256M, 1),
52 
53 #ifndef CONFIG_SPL_BUILD
54 	/* *I*G* - PCI */
55 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
56 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
57 		      0, 3, BOOKE_PAGESZ_1G, 1),
58 
59 	/* *I*G* - PCI */
60 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x40000000,
61 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x40000000,
62 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
63 		      0, 4, BOOKE_PAGESZ_256M, 1),
64 
65 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x50000000,
66 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x50000000,
67 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
68 		      0, 5, BOOKE_PAGESZ_256M, 1),
69 
70 	/* *I*G* - PCI I/O */
71 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
72 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
73 		      0, 6, BOOKE_PAGESZ_256K, 1),
74 
75 	/* Bman/Qman */
76 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
77 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
78 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
79 		      0, 9, BOOKE_PAGESZ_16M, 1),
80 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
81 		      CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
82 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
83 		      0, 10, BOOKE_PAGESZ_16M, 1),
84 #endif
85 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
86 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
87 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
88 		      0, 11, BOOKE_PAGESZ_16M, 1),
89 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
90 		      CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
91 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
92 		      0, 12, BOOKE_PAGESZ_16M, 1),
93 #endif
94 #endif
95 
96 #ifdef CONFIG_SYS_DCSRBAR_PHYS
97 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
98 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
99 		      0, 13, BOOKE_PAGESZ_32M, 1),
100 #endif
101 #ifdef CONFIG_SYS_NAND_BASE
102 	/*
103 	 * *I*G - NAND
104 	 * entry 14 and 15 has been used hard coded, they will be disabled
105 	 * in cpu_init_f, so we use entry 16 for nand.
106 	 */
107 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
108 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
109 		      0, 16, BOOKE_PAGESZ_64K, 1),
110 #endif
111 #ifdef CONFIG_SYS_CPLD_BASE
112 	SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
113 		      MAS3_SW|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
114 		      0, 17, BOOKE_PAGESZ_4K, 1),
115 #endif
116 #if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD)
117 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
118 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
119 		      0, 18, BOOKE_PAGESZ_2G, 1)
120 #endif
121 };
122 
123 int num_tlb_entries = ARRAY_SIZE(tlb_table);
124