xref: /openbmc/u-boot/board/freescale/p1022ds/tlb.c (revision 87a62bce)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2010 Freescale Semiconductor, Inc.
4  * Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
5  *          Timur Tabi <timur@freescale.com>
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, CONFIG_SYS_INIT_RAM_ADDR,
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 + 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 + 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 + 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 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
32 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
33 		      0, 0, BOOKE_PAGESZ_4K, 1),
34 
35 	/* *I*G* - CCSRBAR */
36 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
37 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
38 		      0, 1, BOOKE_PAGESZ_1M, 1),
39 
40 #ifndef CONFIG_SPL_BUILD
41 	/* W**G* - Flash/promjet, localbus */
42 	/* This will be changed to *I*G* after relocation to RAM. */
43 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
44 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
45 		      0, 2, BOOKE_PAGESZ_256M, 1),
46 
47 	/* *I*G* - PCI */
48 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS,
49 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
50 		      0, 3, BOOKE_PAGESZ_1G, 1),
51 
52 	/* *I*G* - PCI */
53 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x40000000,
54 		      CONFIG_SYS_PCIE3_MEM_PHYS + 0x40000000,
55 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
56 		      0, 4, BOOKE_PAGESZ_256M, 1),
57 
58 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x50000000,
59 		      CONFIG_SYS_PCIE3_MEM_PHYS + 0x50000000,
60 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
61 		      0, 5, BOOKE_PAGESZ_256M, 1),
62 
63 	/* *I*G* - PCI I/O */
64 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS,
65 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
66 		      0, 6, BOOKE_PAGESZ_256K, 1),
67 #endif
68 
69 	SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS,
70 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
71 		      0, 7, BOOKE_PAGESZ_4K, 1),
72 
73 #if defined(CONFIG_SYS_RAMBOOT) || \
74 	(defined(CONFIG_SPL) && !defined(CONFIG_SPL_COMMON_INIT_DDR))
75 	/* **** - eSDHC/eSPI/NAND boot */
76 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
77 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
78 		      0, 8, BOOKE_PAGESZ_1G, 1),
79 	/* **** - eSDHC/eSPI/NAND boot - second 1GB of memory */
80 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
81 		      CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
82 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
83 		      0, 9, BOOKE_PAGESZ_1G, 1),
84 #endif
85 
86 #ifdef CONFIG_SYS_NAND_BASE
87 	/* *I*G - NAND */
88 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
89 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
90 		      0, 10, BOOKE_PAGESZ_16K, 1),
91 #endif
92 
93 #ifdef CONFIG_SYS_INIT_L2_ADDR
94 	/* *I*G - L2SRAM */
95 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
96 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
97 		      0, 11, BOOKE_PAGESZ_256K, 1)
98 #endif
99 };
100 
101 int num_tlb_entries = ARRAY_SIZE(tlb_table);
102