xref: /openbmc/u-boot/board/freescale/b4860qds/tlb.c (revision 2d2811c2)
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 #ifndef CONFIG_SPL_BUILD
66 	/* *I*G* - PCI */
67 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
68 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
69 		      0, 3, BOOKE_PAGESZ_256M, 1),
70 
71 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x10000000,
72 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x10000000,
73 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
74 		      0, 4, BOOKE_PAGESZ_256M, 1),
75 
76 	/* *I*G* - PCI I/O */
77 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
78 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
79 		      0, 5, BOOKE_PAGESZ_64K, 1),
80 
81 	/* Bman/Qman */
82 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
83 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
84 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
85 		      0, 6, BOOKE_PAGESZ_16M, 1),
86 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
87 		      CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
88 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
89 		      0, 7, BOOKE_PAGESZ_16M, 1),
90 #endif
91 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
92 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
93 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
94 		      0, 8, BOOKE_PAGESZ_16M, 1),
95 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
96 		      CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
97 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
98 		      0, 9, BOOKE_PAGESZ_16M, 1),
99 #endif
100 #endif
101 #ifdef CONFIG_SYS_DCSRBAR_PHYS
102 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
103 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
104 		      0, 10, BOOKE_PAGESZ_32M, 1),
105 #endif
106 #ifdef CONFIG_SYS_NAND_BASE
107 	/*
108 	 * *I*G - NAND
109 	 */
110 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
111 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
112 			0, 11, BOOKE_PAGESZ_64K, 1),
113 #endif
114 	SET_TLB_ENTRY(1, QIXIS_BASE, QIXIS_BASE_PHYS,
115 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
116 		      0, 12, BOOKE_PAGESZ_4K, 1),
117 
118 	/*
119 	 * *I*G - SRIO
120 	 * entry 14 and 15 has been used hard coded, they will be disabled
121 	 * in cpu_init_f, so we use entry 16 for SRIO2.
122 	 */
123 #ifndef CONFIG_SPL_BUILD
124 #ifdef CONFIG_SYS_SRIO1_MEM_PHYS
125 	/* *I*G* - SRIO1 */
126 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO1_MEM_VIRT, CONFIG_SYS_SRIO1_MEM_PHYS,
127 		MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
128 		      0, 13, BOOKE_PAGESZ_256M, 1),
129 #endif
130 #ifdef CONFIG_SYS_SRIO2_MEM_PHYS
131 	/* *I*G* - SRIO2 */
132 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO2_MEM_VIRT, CONFIG_SYS_SRIO2_MEM_PHYS,
133 		MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
134 		      0, 16, BOOKE_PAGESZ_256M, 1),
135 #endif
136 #ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
137 	/*
138 	 * SRIO_PCIE_BOOT-SLAVE. 1M space from 0xffe00000 for
139 	 * fetching ucode and ENV from master
140 	 */
141 	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR,
142 		      CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR_PHYS,
143 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
144 		      0, 17, BOOKE_PAGESZ_1M, 1),
145 #endif
146 #endif
147 
148 #if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD)
149 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
150 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
151 		      0, 17, BOOKE_PAGESZ_2G, 1)
152 #endif
153 };
154 
155 int num_tlb_entries = ARRAY_SIZE(tlb_table);
156