xref: /openbmc/u-boot/board/freescale/t104xrdb/tlb.c (revision cf0bcd7d)
1 /*
2  * Copyright 2013 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 	!defined(CONFIG_SECURE_BOOT)
33 	/*
34 	 * *I*G - L3SRAM. When L3 is used as 256K SRAM, the address of the
35 	 * SRAM is at 0xfffc0000, it covered the 0xfffff000.
36 	 */
37 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
38 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
39 		      0, 0, BOOKE_PAGESZ_256K, 1),
40 
41 #elif defined(CONFIG_SECURE_BOOT) && defined(CONFIG_SPL_BUILD)
42 	/*
43 	 * *I*G - L3SRAM. When L3 is used as 256K SRAM, in case of Secure Boot
44 	 * the physical address of the SRAM is at 0xbffc0000,
45 	 * and virtual address is 0xfffc0000
46 	 */
47 
48 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_VADDR,
49 		      CONFIG_SYS_INIT_L3_ADDR,
50 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
51 		      0, 0, BOOKE_PAGESZ_256K, 1),
52 #else
53 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
54 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
55 		      0, 0, BOOKE_PAGESZ_4K, 1),
56 #endif
57 
58 	/* *I*G* - CCSRBAR */
59 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
60 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
61 		      0, 1, BOOKE_PAGESZ_16M, 1),
62 
63 	/* *I*G* - Flash, localbus */
64 	/* This will be changed to *I*G* after relocation to RAM. */
65 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
66 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
67 		      0, 2, BOOKE_PAGESZ_256M, 1),
68 
69 #ifndef CONFIG_SPL_BUILD
70 	/* *I*G* - PCI */
71 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
72 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
73 		      0, 3, BOOKE_PAGESZ_1G, 1),
74 
75 	/* *I*G* - PCI I/O */
76 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
77 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
78 		      0, 4, BOOKE_PAGESZ_256K, 1),
79 
80 	/* Bman/Qman */
81 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
82 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
83 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
84 		      0, 5, BOOKE_PAGESZ_16M, 1),
85 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
86 		      CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
87 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
88 		      0, 6, BOOKE_PAGESZ_16M, 1),
89 #endif
90 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
91 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
92 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
93 		      0, 7, BOOKE_PAGESZ_16M, 1),
94 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
95 		      CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
96 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
97 		      0, 8, BOOKE_PAGESZ_16M, 1),
98 #endif
99 #endif
100 #ifdef CONFIG_SYS_DCSRBAR_PHYS
101 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
102 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
103 		      0, 9, BOOKE_PAGESZ_4M, 1),
104 #endif
105 #ifdef CONFIG_SYS_NAND_BASE
106 	/*
107 	 * *I*G - NAND
108 	 * entry 14 and 15 has been used hard coded, they will be disabled
109 	 * in cpu_init_f, so we use entry 16 for nand.
110 	 */
111 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
112 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
113 		      0, 10, BOOKE_PAGESZ_64K, 1),
114 #endif
115 #ifdef CONFIG_SYS_CPLD_BASE
116 	SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
117 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
118 		      0, 11, BOOKE_PAGESZ_256K, 1),
119 #endif
120 
121 #if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD)
122 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
123 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
124 		      0, 12, BOOKE_PAGESZ_1G, 1),
125 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
126 		      CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
127 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
128 		      0, 13, BOOKE_PAGESZ_1G, 1)
129 #endif
130 };
131 
132 int num_tlb_entries = ARRAY_SIZE(tlb_table);
133