xref: /openbmc/u-boot/board/freescale/mpc8572ds/tlb.c (revision e77e65df)
1 /*
2  * Copyright 2008-2010 Freescale Semiconductor, Inc.
3  *
4  * (C) Copyright 2000
5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #include <common.h>
11 #include <asm/mmu.h>
12 
13 struct fsl_e_tlb_entry tlb_table[] = {
14 	/* TLB 0 - for temp stack in cache */
15 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
16 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
17 		      0, 0, BOOKE_PAGESZ_4K, 0),
18 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
19 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
20 		      0, 0, BOOKE_PAGESZ_4K, 0),
21 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 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 , CONFIG_SYS_INIT_RAM_ADDR + 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 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
31 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
32 		      0, 0, BOOKE_PAGESZ_4K, 1),
33 
34 	/* *I*G* - CCSRBAR */
35 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
36 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
37 		      0, 1, BOOKE_PAGESZ_1M, 1),
38 
39 	/* W**G* - Flash/promjet, localbus */
40 	/* This will be changed to *I*G* after relocation to RAM. */
41 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
42 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
43 		      0, 2, BOOKE_PAGESZ_256M, 1),
44 
45 #ifndef CONFIG_NAND_SPL
46 	/* *I*G* - PCI */
47 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS,
48 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
49 		      0, 3, BOOKE_PAGESZ_1G, 1),
50 
51 	/* *I*G* - PCI */
52 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x40000000, CONFIG_SYS_PCIE3_MEM_PHYS + 0x40000000,
53 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
54 		      0, 4, BOOKE_PAGESZ_256M, 1),
55 
56 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x50000000, CONFIG_SYS_PCIE3_MEM_PHYS + 0x50000000,
57 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
58 		      0, 5, BOOKE_PAGESZ_256M, 1),
59 
60 	/* *I*G* - PCI I/O */
61 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS,
62 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
63 		      0, 6, BOOKE_PAGESZ_256K, 1),
64 #endif
65 
66 	/* *I*G - NAND */
67 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
68 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
69 		      0, 7, BOOKE_PAGESZ_1M, 1),
70 
71 	SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS,
72 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
73 		      0, 8, BOOKE_PAGESZ_4K, 1),
74 
75 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
76 	/* *I*G - L2SRAM */
77 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR,
78 			CONFIG_SYS_INIT_L2_ADDR_PHYS,
79 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
80 			0, 9, BOOKE_PAGESZ_256K, 1),
81 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
82 			CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
83 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
84 			0, 10, BOOKE_PAGESZ_256K, 1),
85 #endif
86 };
87 
88 int num_tlb_entries = ARRAY_SIZE(tlb_table);
89