xref: /openbmc/u-boot/board/freescale/b4860qds/tlb.c (revision 3765b3e7)
1 /*
2  * Copyright 2011-2012 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 	/*
33 	 * *I*G - L3SRAM. When L3 is used as 1M SRAM, the address of the
34 	 * SRAM is at 0xfff00000, it covered the 0xfffff000.
35 	 */
36 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
37 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
38 			0, 0, BOOKE_PAGESZ_1M, 1),
39 #elif defined(CONFIG_SRIO_PCIE_BOOT_SLAVE)
40 	/*
41 	 * SRIO_PCIE_BOOT-SLAVE. When slave boot, the address of the
42 	 * space is at 0xfff00000, it covered the 0xfffff000.
43 	 */
44 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR,
45 		      CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR_PHYS,
46 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
47 		      0, 0, BOOKE_PAGESZ_1M, 1),
48 #else
49 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
50 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
51 		      0, 0, BOOKE_PAGESZ_4K, 1),
52 #endif
53 
54 	/* *I*G* - CCSRBAR */
55 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
56 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
57 		      0, 1, BOOKE_PAGESZ_16M, 1),
58 
59 	/* *I*G* - Flash, localbus */
60 	/* This will be changed to *I*G* after relocation to RAM. */
61 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
62 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
63 		      0, 2, BOOKE_PAGESZ_256M, 1),
64 
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 #ifdef CONFIG_SYS_DCSRBAR_PHYS
100 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
101 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
102 		      0, 10, BOOKE_PAGESZ_32M, 1),
103 #endif
104 #ifdef CONFIG_SYS_NAND_BASE
105 	/*
106 	 * *I*G - NAND
107 	 */
108 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
109 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
110 			0, 11, BOOKE_PAGESZ_64K, 1),
111 #endif
112 	SET_TLB_ENTRY(1, QIXIS_BASE, QIXIS_BASE_PHYS,
113 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
114 		      0, 12, BOOKE_PAGESZ_4K, 1),
115 
116 	/*
117 	 * *I*G - SRIO
118 	 * entry 14 and 15 has been used hard coded, they will be disabled
119 	 * in cpu_init_f, so we use entry 16 for SRIO2.
120 	 */
121 #ifdef CONFIG_SYS_SRIO1_MEM_PHYS
122 	/* *I*G* - SRIO1 */
123 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO1_MEM_VIRT, CONFIG_SYS_SRIO1_MEM_PHYS,
124 		MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
125 		      0, 13, BOOKE_PAGESZ_256M, 1),
126 #endif
127 #ifdef CONFIG_SYS_SRIO2_MEM_PHYS
128 	/* *I*G* - SRIO2 */
129 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO2_MEM_VIRT, CONFIG_SYS_SRIO2_MEM_PHYS,
130 		MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
131 		      0, 16, BOOKE_PAGESZ_256M, 1),
132 #endif
133 #ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
134 	/*
135 	 * SRIO_PCIE_BOOT-SLAVE. 1M space from 0xffe00000 for
136 	 * fetching ucode and ENV from master
137 	 */
138 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR,
139 		      CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR_PHYS,
140 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
141 		      0, 17, BOOKE_PAGESZ_1M, 1),
142 #endif
143 };
144 
145 int num_tlb_entries = ARRAY_SIZE(tlb_table);
146