xref: /openbmc/u-boot/board/freescale/p1022ds/tlb.c (revision 23ff8633)
1 /*
2  * Copyright 2010 Freescale Semiconductor, Inc.
3  * Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
4  *          Timur Tabi <timur@freescale.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <asm/mmu.h>
11 
12 struct fsl_e_tlb_entry tlb_table[] = {
13 	/* TLB 0 - for temp stack in cache */
14 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
15 		      MAS3_SX|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 + 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,
22 		      CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
23 		      MAS3_SX|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 + 12 * 1024,
27 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
28 		      0, 0, BOOKE_PAGESZ_4K, 0),
29 
30 	/* TLB 1 */
31 	/* *I*** - Covers boot page */
32 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
33 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
34 		      0, 0, BOOKE_PAGESZ_4K, 1),
35 
36 	/* *I*G* - CCSRBAR */
37 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
38 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
39 		      0, 1, BOOKE_PAGESZ_1M, 1),
40 
41 #ifndef CONFIG_SPL_BUILD
42 	/* W**G* - Flash/promjet, localbus */
43 	/* This will be changed to *I*G* after relocation to RAM. */
44 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
45 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
46 		      0, 2, BOOKE_PAGESZ_256M, 1),
47 
48 	/* *I*G* - PCI */
49 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS,
50 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
51 		      0, 3, BOOKE_PAGESZ_1G, 1),
52 
53 	/* *I*G* - PCI */
54 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x40000000,
55 		      CONFIG_SYS_PCIE3_MEM_PHYS + 0x40000000,
56 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
57 		      0, 4, BOOKE_PAGESZ_256M, 1),
58 
59 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x50000000,
60 		      CONFIG_SYS_PCIE3_MEM_PHYS + 0x50000000,
61 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
62 		      0, 5, BOOKE_PAGESZ_256M, 1),
63 
64 	/* *I*G* - PCI I/O */
65 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS,
66 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
67 		      0, 6, BOOKE_PAGESZ_256K, 1),
68 #endif
69 
70 	SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS,
71 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
72 		      0, 7, BOOKE_PAGESZ_4K, 1),
73 
74 #if defined(CONFIG_SYS_RAMBOOT) || \
75 	(defined(CONFIG_SPL) && !defined(CONFIG_SPL_COMMON_INIT_DDR))
76 	/* **** - eSDHC/eSPI/NAND boot */
77 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
78 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
79 		      0, 8, BOOKE_PAGESZ_1G, 1),
80 	/* **** - eSDHC/eSPI/NAND boot - second 1GB of memory */
81 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
82 		      CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
83 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
84 		      0, 9, BOOKE_PAGESZ_1G, 1),
85 #endif
86 
87 #ifdef CONFIG_SYS_NAND_BASE
88 	/* *I*G - NAND */
89 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
90 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
91 		      0, 10, BOOKE_PAGESZ_16K, 1),
92 #endif
93 
94 #ifdef CONFIG_SYS_INIT_L2_ADDR
95 	/* *I*G - L2SRAM */
96 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
97 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
98 		      0, 11, BOOKE_PAGESZ_256K, 1)
99 #endif
100 };
101 
102 int num_tlb_entries = ARRAY_SIZE(tlb_table);
103