xref: /openbmc/u-boot/board/freescale/t208xqds/tlb.c (revision 85231c08)
1 /*
2  * Copyright 2008-2013 Freescale Semiconductor, Inc.
3  *
4  * (C) Copyright 2000
5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6  *
7  * SPDX-License-Identifier:     GPL-2.0+
8  */
9 
10 #include <common.h>
11 #include <asm/mmu.h>
12 
13 struct fsl_e_tlb_entry tlb_table[] = {
14 	/* TLB 0 - for temp stack in cache */
15 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
16 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS,
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 + 4 * 1024,
20 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 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 + 8 * 1024,
24 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
25 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
26 		      0, 0, BOOKE_PAGESZ_4K, 0),
27 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
28 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
29 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
30 		      0, 0, BOOKE_PAGESZ_4K, 0),
31 
32 	/* TLB 1 */
33 	/* *I*** - Covers boot page */
34 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR)
35 	/*
36 	 * *I*G - L3SRAM. When L3 is used as 1M SRAM, the address of the
37 	 * SRAM is at 0xfff00000, it covered the 0xfffff000.
38 	 */
39 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
40 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
41 		      0, 0, BOOKE_PAGESZ_1M, 1),
42 #elif defined(CONFIG_SRIO_PCIE_BOOT_SLAVE)
43 	/*
44 	 * SRIO_PCIE_BOOT-SLAVE. When slave boot, the address of the
45 	 * space is at 0xfff00000, it covered the 0xfffff000.
46 	 */
47 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR,
48 		      CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR_PHYS,
49 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
50 		      0, 0, BOOKE_PAGESZ_1M, 1),
51 #else
52 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
53 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
54 		      0, 0, BOOKE_PAGESZ_4K, 1),
55 #endif
56 
57 	/* *I*G* - CCSRBAR */
58 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
59 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
60 		      0, 1, BOOKE_PAGESZ_16M, 1),
61 
62 	/* *I*G* - Flash, localbus */
63 	/* This will be changed to *I*G* after relocation to RAM. */
64 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
65 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
66 		      0, 2, BOOKE_PAGESZ_256M, 1),
67 
68 #ifndef CONFIG_SPL_BUILD
69 	/* *I*G* - PCIe 1, 0x80000000 */
70 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
71 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
72 		      0, 3, BOOKE_PAGESZ_512M, 1),
73 
74 	/* *I*G* - PCIe 2, 0xa0000000 */
75 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE2_MEM_VIRT, CONFIG_SYS_PCIE2_MEM_PHYS,
76 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
77 		      0, 4, BOOKE_PAGESZ_256M, 1),
78 
79 	/* *I*G* - PCIe 3, 0xb0000000 */
80 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS,
81 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
82 		      0, 5, BOOKE_PAGESZ_256M, 1),
83 
84 
85 	/* *I*G* - PCIe 4, 0xc0000000 */
86 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE4_MEM_VIRT, CONFIG_SYS_PCIE4_MEM_PHYS,
87 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
88 		      0, 6, BOOKE_PAGESZ_256M, 1),
89 
90 	/* *I*G* - PCI I/O */
91 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
92 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
93 		      0, 7, BOOKE_PAGESZ_256K, 1),
94 
95 	/* Bman/Qman */
96 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
97 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
98 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
99 		      0, 9, BOOKE_PAGESZ_16M, 1),
100 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
101 		      CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
102 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
103 		      0, 10, BOOKE_PAGESZ_16M, 1),
104 #endif
105 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
106 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
107 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
108 		      0, 11, BOOKE_PAGESZ_16M, 1),
109 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
110 		      CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
111 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
112 		      0, 12, BOOKE_PAGESZ_16M, 1),
113 #endif
114 #endif
115 #ifdef CONFIG_SYS_DCSRBAR_PHYS
116 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
117 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
118 		      0, 13, BOOKE_PAGESZ_32M, 1),
119 #endif
120 #ifdef CONFIG_SYS_NAND_BASE
121 	/*
122 	 * *I*G - NAND
123 	 * entry 14 and 15 has been used hard coded, they will be disabled
124 	 * in cpu_init_f, so we use entry 16 for nand.
125 	 */
126 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
127 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
128 		      0, 16, BOOKE_PAGESZ_64K, 1),
129 #endif
130 #ifdef QIXIS_BASE_PHYS
131 	SET_TLB_ENTRY(1, QIXIS_BASE, QIXIS_BASE_PHYS,
132 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
133 		      0, 17, BOOKE_PAGESZ_4K, 1),
134 #endif
135 #ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
136 	/*
137 	 * SRIO_PCIE_BOOT-SLAVE. 1M space from 0xffe00000 for
138 	 * fetching ucode and ENV from master
139 	 */
140 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR,
141 		      CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR_PHYS,
142 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
143 		      0, 18, BOOKE_PAGESZ_1M, 1),
144 #endif
145 
146 #if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD)
147 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
148 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
149 		      0, 19, BOOKE_PAGESZ_2G, 1)
150 #endif
151 };
152 
153 int num_tlb_entries = ARRAY_SIZE(tlb_table);
154