xref: /openbmc/u-boot/board/freescale/t102xrdb/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 256K SRAM, the address of the
33 	 * SRAM is at 0xfffc0000, it covered the 0xfffff000.
34 	 */
35 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
36 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
37 		      0, 0, BOOKE_PAGESZ_256K, 1),
38 #else
39 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
40 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
41 		      0, 0, BOOKE_PAGESZ_4K, 1),
42 #endif
43 
44 	/* *I*G* - CCSRBAR */
45 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
46 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
47 		      0, 1, BOOKE_PAGESZ_16M, 1),
48 
49 	/* *I*G* - Flash, localbus */
50 	/* This will be changed to *I*G* after relocation to RAM. */
51 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
52 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
53 		      0, 2, BOOKE_PAGESZ_256M, 1),
54 
55 #ifndef CONFIG_SPL_BUILD
56 	/* *I*G* - PCI */
57 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
58 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
59 		      0, 3, BOOKE_PAGESZ_1G, 1),
60 
61 	/* *I*G* - PCI I/O */
62 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
63 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
64 		      0, 4, BOOKE_PAGESZ_256K, 1),
65 
66 	/* Bman/Qman */
67 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
68 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
69 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
70 		      0, 5, BOOKE_PAGESZ_16M, 1),
71 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
72 		      CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
73 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
74 		      0, 6, BOOKE_PAGESZ_16M, 1),
75 #endif
76 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
77 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
78 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
79 		      0, 7, BOOKE_PAGESZ_16M, 1),
80 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
81 		      CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
82 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
83 		      0, 8, BOOKE_PAGESZ_16M, 1),
84 #endif
85 #endif
86 #ifdef CONFIG_SYS_DCSRBAR_PHYS
87 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
88 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
89 		      0, 9, BOOKE_PAGESZ_4M, 1),
90 #endif
91 #ifdef CONFIG_SYS_NAND_BASE
92 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
93 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
94 		      0, 10, BOOKE_PAGESZ_64K, 1),
95 #endif
96 #ifdef CONFIG_SYS_CPLD_BASE
97 	SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
98 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
99 		      0, 11, BOOKE_PAGESZ_256K, 1),
100 #endif
101 
102 #if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD)
103 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
104 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
105 		      0, 12, BOOKE_PAGESZ_1G, 1),
106 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
107 		      CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
108 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
109 		      0, 13, BOOKE_PAGESZ_1G, 1)
110 #endif
111 	/* entry 14 and 15 has been used hard coded, they will be disabled
112 	 * in cpu_init_f, so if needed more, will use entry 16 later.
113 	 */
114 };
115 
116 int num_tlb_entries = ARRAY_SIZE(tlb_table);
117