xref: /openbmc/u-boot/board/freescale/t102xrdb/tlb.c (revision cf0bcd7d)
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 256K SRAM, the address of the
34 	 * SRAM is at 0xfffc0000, it covered the 0xfffff000.
35 	 */
36 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
37 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
38 		      0, 0, BOOKE_PAGESZ_256K, 1),
39 #else
40 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
41 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
42 		      0, 0, BOOKE_PAGESZ_4K, 1),
43 #endif
44 
45 	/* *I*G* - CCSRBAR */
46 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
47 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
48 		      0, 1, BOOKE_PAGESZ_16M, 1),
49 
50 	/* *I*G* - Flash, localbus */
51 	/* This will be changed to *I*G* after relocation to RAM. */
52 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
53 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
54 		      0, 2, BOOKE_PAGESZ_256M, 1),
55 
56 #ifndef CONFIG_SPL_BUILD
57 	/* *I*G* - PCI */
58 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
59 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
60 		      0, 3, BOOKE_PAGESZ_1G, 1),
61 
62 	/* *I*G* - PCI I/O */
63 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
64 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
65 		      0, 4, BOOKE_PAGESZ_256K, 1),
66 
67 	/* Bman/Qman */
68 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
69 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
70 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
71 		      0, 5, BOOKE_PAGESZ_16M, 1),
72 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
73 		      CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
74 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
75 		      0, 6, BOOKE_PAGESZ_16M, 1),
76 #endif
77 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
78 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
79 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
80 		      0, 7, BOOKE_PAGESZ_16M, 1),
81 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
82 		      CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
83 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
84 		      0, 8, BOOKE_PAGESZ_16M, 1),
85 #endif
86 #endif
87 #ifdef CONFIG_SYS_DCSRBAR_PHYS
88 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
89 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
90 		      0, 9, BOOKE_PAGESZ_4M, 1),
91 #endif
92 #ifdef CONFIG_SYS_NAND_BASE
93 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
94 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
95 		      0, 10, BOOKE_PAGESZ_64K, 1),
96 #endif
97 #ifdef CONFIG_SYS_CPLD_BASE
98 	SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
99 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
100 		      0, 11, BOOKE_PAGESZ_256K, 1),
101 #endif
102 
103 #if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD)
104 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
105 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
106 		      0, 12, BOOKE_PAGESZ_1G, 1),
107 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
108 		      CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
109 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
110 		      0, 13, BOOKE_PAGESZ_1G, 1)
111 #endif
112 	/* entry 14 and 15 has been used hard coded, they will be disabled
113 	 * in cpu_init_f, so if needed more, will use entry 16 later.
114 	 */
115 };
116 
117 int num_tlb_entries = ARRAY_SIZE(tlb_table);
118