xref: /openbmc/u-boot/board/freescale/t4rdb/tlb.c (revision 32c81ea6)
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 	/* *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 #ifdef CONFIG_SYS_DCSRBAR_PHYS
95 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
96 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
97 		      0, 13, BOOKE_PAGESZ_32M, 1),
98 #endif
99 #ifdef CONFIG_SYS_NAND_BASE
100 	/*
101 	 * *I*G - NAND
102 	 * entry 14 and 15 has been used hard coded, they will be disabled
103 	 * in cpu_init_f, so we use entry 16 for nand.
104 	 */
105 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
106 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
107 		      0, 16, BOOKE_PAGESZ_64K, 1),
108 #endif
109 #ifdef CONFIG_SYS_CPLD_BASE
110 	SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
111 		      MAS3_SW|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
112 		      0, 17, BOOKE_PAGESZ_4K, 1),
113 #endif
114 };
115 
116 int num_tlb_entries = ARRAY_SIZE(tlb_table);
117