xref: /openbmc/u-boot/board/freescale/t4qds/tlb.c (revision 274bced8)
1 /*
2  * Copyright 2008-2012 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 #ifndef CONFIG_SPL_BUILD
68 	/* *I*G* - PCI */
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_1G, 1),
72 
73 	/* *I*G* - PCI */
74 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x40000000,
75 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x40000000,
76 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
77 		      0, 4, BOOKE_PAGESZ_256M, 1),
78 
79 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x50000000,
80 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x50000000,
81 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
82 		      0, 5, BOOKE_PAGESZ_256M, 1),
83 
84 	/* *I*G* - PCI I/O */
85 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
86 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
87 		      0, 6, BOOKE_PAGESZ_256K, 1),
88 
89 	/* Bman/Qman */
90 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
91 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
92 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
93 		      0, 9, BOOKE_PAGESZ_16M, 1),
94 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
95 		      CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
96 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
97 		      0, 10, BOOKE_PAGESZ_16M, 1),
98 #endif
99 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
100 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
101 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
102 		      0, 11, BOOKE_PAGESZ_16M, 1),
103 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
104 		      CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
105 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
106 		      0, 12, BOOKE_PAGESZ_16M, 1),
107 #endif
108 #endif
109 #ifdef CONFIG_SYS_DCSRBAR_PHYS
110 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
111 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
112 		      0, 13, BOOKE_PAGESZ_32M, 1),
113 #endif
114 #ifdef CONFIG_SYS_NAND_BASE
115 	/*
116 	 * *I*G - NAND
117 	 * entry 14 and 15 has been used hard coded, they will be disabled
118 	 * in cpu_init_f, so we use entry 16 for nand.
119 	 */
120 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
121 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
122 			0, 16, BOOKE_PAGESZ_64K, 1),
123 #endif
124 #ifdef QIXIS_BASE_PHYS
125 	SET_TLB_ENTRY(1, QIXIS_BASE, QIXIS_BASE_PHYS,
126 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
127 		      0, 17, BOOKE_PAGESZ_4K, 1),
128 #endif
129 #ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
130 	/*
131 	 * SRIO_PCIE_BOOT-SLAVE. 1M space from 0xffe00000 for
132 	 * fetching ucode and ENV from master
133 	 */
134 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR,
135 		      CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR_PHYS,
136 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
137 		      0, 18, BOOKE_PAGESZ_1M, 1),
138 #endif
139 
140 #if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD)
141 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
142 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
143 		      0, 19, BOOKE_PAGESZ_2G, 1)
144 #endif
145 };
146 
147 int num_tlb_entries = ARRAY_SIZE(tlb_table);
148