xref: /openbmc/u-boot/board/freescale/t208xqds/tlb.c (revision e246b728)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2008-2013 Freescale Semiconductor, Inc.
4  *
5  * (C) Copyright 2000
6  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7  */
8 
9 #include <common.h>
10 #include <asm/mmu.h>
11 
12 struct fsl_e_tlb_entry tlb_table[] = {
13 	/* TLB 0 - for temp stack in cache */
14 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
15 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS,
16 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
17 		      0, 0, BOOKE_PAGESZ_4K, 0),
18 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
19 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
20 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
21 		      0, 0, BOOKE_PAGESZ_4K, 0),
22 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
23 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
24 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
25 		      0, 0, BOOKE_PAGESZ_4K, 0),
26 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
27 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
28 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
29 		      0, 0, BOOKE_PAGESZ_4K, 0),
30 
31 	/* TLB 1 */
32 	/* *I*** - Covers boot page */
33 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR)
34 	/*
35 	 * *I*G - L3SRAM. When L3 is used as 1M SRAM, the address of the
36 	 * SRAM is at 0xfff00000, it covered the 0xfffff000.
37 	 */
38 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
39 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
40 		      0, 0, BOOKE_PAGESZ_1M, 1),
41 #elif defined(CONFIG_SRIO_PCIE_BOOT_SLAVE)
42 	/*
43 	 * SRIO_PCIE_BOOT-SLAVE. When slave boot, the address of the
44 	 * space is at 0xfff00000, it covered the 0xfffff000.
45 	 */
46 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR,
47 		      CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR_PHYS,
48 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
49 		      0, 0, BOOKE_PAGESZ_1M, 1),
50 #else
51 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
52 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
53 		      0, 0, BOOKE_PAGESZ_4K, 1),
54 #endif
55 
56 	/* *I*G* - CCSRBAR */
57 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
58 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
59 		      0, 1, BOOKE_PAGESZ_16M, 1),
60 
61 	/* *I*G* - Flash, localbus */
62 	/* This will be changed to *I*G* after relocation to RAM. */
63 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
64 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
65 		      0, 2, BOOKE_PAGESZ_256M, 1),
66 
67 #ifndef CONFIG_SPL_BUILD
68 	/* *I*G* - PCIe 1, 0x80000000 */
69 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
70 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
71 		      0, 3, BOOKE_PAGESZ_512M, 1),
72 
73 	/* *I*G* - PCIe 2, 0xa0000000 */
74 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE2_MEM_VIRT, CONFIG_SYS_PCIE2_MEM_PHYS,
75 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
76 		      0, 4, BOOKE_PAGESZ_256M, 1),
77 
78 	/* *I*G* - PCIe 3, 0xb0000000 */
79 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS,
80 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
81 		      0, 5, BOOKE_PAGESZ_256M, 1),
82 
83 
84 	/* *I*G* - PCIe 4, 0xc0000000 */
85 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE4_MEM_VIRT, CONFIG_SYS_PCIE4_MEM_PHYS,
86 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
87 		      0, 6, BOOKE_PAGESZ_256M, 1),
88 
89 	/* *I*G* - PCI I/O */
90 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
91 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
92 		      0, 7, BOOKE_PAGESZ_256K, 1),
93 
94 	/* Bman/Qman */
95 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
96 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
97 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
98 		      0, 9, BOOKE_PAGESZ_16M, 1),
99 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
100 		      CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
101 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
102 		      0, 10, BOOKE_PAGESZ_16M, 1),
103 #endif
104 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
105 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
106 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
107 		      0, 11, BOOKE_PAGESZ_16M, 1),
108 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
109 		      CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
110 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
111 		      0, 12, BOOKE_PAGESZ_16M, 1),
112 #endif
113 #endif
114 #ifdef CONFIG_SYS_DCSRBAR_PHYS
115 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
116 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
117 		      0, 13, BOOKE_PAGESZ_32M, 1),
118 #endif
119 #ifdef CONFIG_SYS_NAND_BASE
120 	/*
121 	 * *I*G - NAND
122 	 * entry 14 and 15 has been used hard coded, they will be disabled
123 	 * in cpu_init_f, so we use entry 16 for nand.
124 	 */
125 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
126 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
127 		      0, 16, BOOKE_PAGESZ_64K, 1),
128 #endif
129 #ifdef QIXIS_BASE_PHYS
130 	SET_TLB_ENTRY(1, QIXIS_BASE, QIXIS_BASE_PHYS,
131 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
132 		      0, 17, BOOKE_PAGESZ_4K, 1),
133 #endif
134 #ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
135 	/*
136 	 * SRIO_PCIE_BOOT-SLAVE. 1M space from 0xffe00000 for
137 	 * fetching ucode and ENV from master
138 	 */
139 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR,
140 		      CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR_PHYS,
141 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
142 		      0, 18, BOOKE_PAGESZ_1M, 1),
143 #endif
144 
145 #if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD)
146 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
147 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
148 		      0, 19, BOOKE_PAGESZ_2G, 1)
149 #endif
150 };
151 
152 int num_tlb_entries = ARRAY_SIZE(tlb_table);
153