xref: /openbmc/u-boot/board/varisys/cyrus/tlb.c (revision 8ee59472)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Author: Adrian Cox
4  * Based on corenet_ds tlb code
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_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_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_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_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 #else
40 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
41 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
42 		      0, 0, BOOKE_PAGESZ_4K, 1),
43 #endif
44 
45 	/* *I*G* - CCSRBAR */
46 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
47 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
48 		      0, 1, BOOKE_PAGESZ_16M, 1),
49 
50 	/* Local Bus */
51 	SET_TLB_ENTRY(1, CONFIG_SYS_LBC0_BASE, CONFIG_SYS_LBC0_BASE_PHYS,
52 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
53 		      0, 2, BOOKE_PAGESZ_64K, 1),
54 	SET_TLB_ENTRY(1, CONFIG_SYS_LBC1_BASE, CONFIG_SYS_LBC1_BASE_PHYS,
55 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
56 		      0, 3, BOOKE_PAGESZ_4K, 1),
57 
58 	/* *I*G* - PCI */
59 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
60 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
61 		      0, 4, BOOKE_PAGESZ_1G, 1),
62 
63 	/* *I*G* - PCI */
64 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x40000000,
65 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x40000000,
66 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
67 		      0, 5, BOOKE_PAGESZ_256M, 1),
68 
69 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x50000000,
70 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x50000000,
71 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
72 		      0, 6, BOOKE_PAGESZ_256M, 1),
73 
74 	/* *I*G* - PCI I/O */
75 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
76 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
77 		      0, 7, BOOKE_PAGESZ_256K, 1),
78 
79 	/* Bman/Qman */
80 #ifdef CONFIG_SYS_BMAN_MEM_PHYS
81 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
82 		      MAS3_SW|MAS3_SR, 0,
83 		      0, 9, BOOKE_PAGESZ_1M, 1),
84 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x00100000,
85 		      CONFIG_SYS_BMAN_MEM_PHYS + 0x00100000,
86 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
87 		      0, 10, BOOKE_PAGESZ_1M, 1),
88 #endif
89 #ifdef CONFIG_SYS_QMAN_MEM_PHYS
90 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
91 		      MAS3_SW|MAS3_SR, 0,
92 		      0, 11, BOOKE_PAGESZ_1M, 1),
93 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x00100000,
94 		      CONFIG_SYS_QMAN_MEM_PHYS + 0x00100000,
95 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
96 		      0, 12, BOOKE_PAGESZ_1M, 1),
97 #endif
98 #ifdef CONFIG_SYS_DCSRBAR_PHYS
99 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
100 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
101 		      0, 13, BOOKE_PAGESZ_4M, 1),
102 #endif
103 };
104 
105 int num_tlb_entries = ARRAY_SIZE(tlb_table);
106