xref: /openbmc/u-boot/board/varisys/cyrus/tlb.c (revision e30d2bd4)
1 /*
2  * Author: Adrian Cox
3  * Based on corenet_ds tlb code
4  *
5  * SPDX-License-Identifier:    GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <asm/mmu.h>
10 
11 struct fsl_e_tlb_entry tlb_table[] = {
12 	/* TLB 0 - for temp stack in cache */
13 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
14 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS,
15 		      MAS3_SW|MAS3_SR, 0,
16 		      0, 0, BOOKE_PAGESZ_4K, 0),
17 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
18 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
19 		      MAS3_SW|MAS3_SR, 0,
20 		      0, 0, BOOKE_PAGESZ_4K, 0),
21 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
22 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
23 		      MAS3_SW|MAS3_SR, 0,
24 		      0, 0, BOOKE_PAGESZ_4K, 0),
25 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
26 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
27 		      MAS3_SW|MAS3_SR, 0,
28 		      0, 0, BOOKE_PAGESZ_4K, 0),
29 
30 	/* TLB 1 */
31 	/* *I*** - Covers boot page */
32 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR)
33 	/*
34 	 * *I*G - L3SRAM. When L3 is used as 1M SRAM, the address of the
35 	 * SRAM is at 0xfff00000, it covered the 0xfffff000.
36 	 */
37 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
38 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
39 			0, 0, BOOKE_PAGESZ_1M, 1),
40 #else
41 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
42 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
43 		      0, 0, BOOKE_PAGESZ_4K, 1),
44 #endif
45 
46 	/* *I*G* - CCSRBAR */
47 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
48 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
49 		      0, 1, BOOKE_PAGESZ_16M, 1),
50 
51 	/* Local Bus */
52 	SET_TLB_ENTRY(1, CONFIG_SYS_LBC0_BASE, CONFIG_SYS_LBC0_BASE_PHYS,
53 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
54 		      0, 2, BOOKE_PAGESZ_64K, 1),
55 	SET_TLB_ENTRY(1, CONFIG_SYS_LBC1_BASE, CONFIG_SYS_LBC1_BASE_PHYS,
56 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
57 		      0, 3, BOOKE_PAGESZ_4K, 1),
58 
59 	/* *I*G* - PCI */
60 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
61 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
62 		      0, 4, BOOKE_PAGESZ_1G, 1),
63 
64 	/* *I*G* - PCI */
65 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x40000000,
66 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x40000000,
67 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
68 		      0, 5, BOOKE_PAGESZ_256M, 1),
69 
70 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x50000000,
71 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x50000000,
72 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
73 		      0, 6, 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_SW|MAS3_SR, MAS2_I|MAS2_G,
78 		      0, 7, BOOKE_PAGESZ_256K, 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_SW|MAS3_SR, 0,
84 		      0, 9, BOOKE_PAGESZ_1M, 1),
85 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x00100000,
86 		      CONFIG_SYS_BMAN_MEM_PHYS + 0x00100000,
87 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
88 		      0, 10, BOOKE_PAGESZ_1M, 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_SW|MAS3_SR, 0,
93 		      0, 11, BOOKE_PAGESZ_1M, 1),
94 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x00100000,
95 		      CONFIG_SYS_QMAN_MEM_PHYS + 0x00100000,
96 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
97 		      0, 12, BOOKE_PAGESZ_1M, 1),
98 #endif
99 #ifdef CONFIG_SYS_DCSRBAR_PHYS
100 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
101 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
102 		      0, 13, BOOKE_PAGESZ_4M, 1),
103 #endif
104 };
105 
106 int num_tlb_entries = ARRAY_SIZE(tlb_table);
107