xref: /openbmc/u-boot/board/freescale/b4860qds/tlb.c (revision dd1033e4)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2011-2012 Freescale Semiconductor, Inc.
4  */
5 
6 #include <common.h>
7 #include <asm/mmu.h>
8 
9 struct fsl_e_tlb_entry tlb_table[] = {
10 	/* TLB 0 - for temp stack in cache */
11 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
12 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS,
13 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
14 		      0, 0, BOOKE_PAGESZ_4K, 0),
15 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
16 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
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 + 8 * 1024,
20 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 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 + 12 * 1024,
24 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
25 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
26 		      0, 0, BOOKE_PAGESZ_4K, 0),
27 
28 	/* TLB 1 */
29 	/* *I*** - Covers boot page */
30 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR)
31 	/*
32 	 * *I*G - L3SRAM. When L3 is used as 1M SRAM, the address of the
33 	 * SRAM is at 0xfff00000, it covered the 0xfffff000.
34 	 */
35 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
36 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
37 			0, 0, BOOKE_PAGESZ_1M, 1),
38 #elif defined(CONFIG_SRIO_PCIE_BOOT_SLAVE)
39 	/*
40 	 * SRIO_PCIE_BOOT-SLAVE. When slave boot, the address of the
41 	 * space is at 0xfff00000, it covered the 0xfffff000.
42 	 */
43 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR,
44 		      CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR_PHYS,
45 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
46 		      0, 0, BOOKE_PAGESZ_1M, 1),
47 #else
48 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
49 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
50 		      0, 0, BOOKE_PAGESZ_4K, 1),
51 #endif
52 
53 	/* *I*G* - CCSRBAR */
54 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
55 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
56 		      0, 1, BOOKE_PAGESZ_16M, 1),
57 
58 	/* *I*G* - Flash, localbus */
59 	/* This will be changed to *I*G* after relocation to RAM. */
60 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
61 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
62 		      0, 2, BOOKE_PAGESZ_256M, 1),
63 
64 #ifndef CONFIG_SPL_BUILD
65 	/* *I*G* - PCI */
66 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
67 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
68 		      0, 3, BOOKE_PAGESZ_256M, 1),
69 
70 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x10000000,
71 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x10000000,
72 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
73 		      0, 4, BOOKE_PAGESZ_256M, 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, 5, BOOKE_PAGESZ_64K, 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, 6, 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, 7, 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, 8, 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, 9, 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, 10, BOOKE_PAGESZ_32M, 1),
104 #endif
105 #ifdef CONFIG_SYS_NAND_BASE
106 	/*
107 	 * *I*G - NAND
108 	 */
109 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
110 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
111 			0, 11, BOOKE_PAGESZ_64K, 1),
112 #endif
113 	SET_TLB_ENTRY(1, QIXIS_BASE, QIXIS_BASE_PHYS,
114 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
115 		      0, 12, BOOKE_PAGESZ_4K, 1),
116 
117 	/*
118 	 * *I*G - SRIO
119 	 * entry 14 and 15 has been used hard coded, they will be disabled
120 	 * in cpu_init_f, so we use entry 16 for SRIO2.
121 	 */
122 #ifndef CONFIG_SPL_BUILD
123 #ifdef CONFIG_SYS_SRIO1_MEM_PHYS
124 	/* *I*G* - SRIO1 */
125 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO1_MEM_VIRT, CONFIG_SYS_SRIO1_MEM_PHYS,
126 		MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
127 		      0, 13, BOOKE_PAGESZ_256M, 1),
128 #endif
129 #ifdef CONFIG_SYS_SRIO2_MEM_PHYS
130 	/* *I*G* - SRIO2 */
131 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO2_MEM_VIRT, CONFIG_SYS_SRIO2_MEM_PHYS,
132 		MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
133 		      0, 16, BOOKE_PAGESZ_256M, 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, 17, BOOKE_PAGESZ_1M, 1),
144 #endif
145 #endif
146 
147 #if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD)
148 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
149 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
150 		      0, 17, BOOKE_PAGESZ_2G, 1)
151 #endif
152 };
153 
154 int num_tlb_entries = ARRAY_SIZE(tlb_table);
155