xref: /openbmc/u-boot/board/freescale/p1010rdb/tlb.c (revision 3765b3e7)
1 /*
2  * Copyright 2010-2011 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
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, CONFIG_SYS_INIT_RAM_ADDR,
13 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
14 			0, 0, BOOKE_PAGESZ_4K, 0),
15 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 ,
16 			CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
17 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
18 			0, 0, BOOKE_PAGESZ_4K, 0),
19 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 ,
20 			CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
21 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
22 			0, 0, BOOKE_PAGESZ_4K, 0),
23 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 ,
24 			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 #ifdef CONFIG_SPL_NAND_MINIMAL
34 	SET_TLB_ENTRY(1, 0xffffe000, 0xffffe000,
35 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
36 		      0, 10, BOOKE_PAGESZ_4K, 1),
37 #endif
38 
39 	/* *I*G* - CCSRBAR */
40 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
41 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
42 			0, 1, BOOKE_PAGESZ_1M, 1),
43 
44 #ifndef CONFIG_SPL_BUILD
45 #ifndef CONFIG_SDCARD
46 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
47 			MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
48 			0, 2, BOOKE_PAGESZ_16M, 1),
49 
50 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE + 0x1000000,
51 			CONFIG_SYS_FLASH_BASE_PHYS + 0x1000000,
52 			MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
53 			0, 3, BOOKE_PAGESZ_16M, 1),
54 #endif
55 
56 #ifdef CONFIG_PCI
57 	/* *I*G* - PCI */
58 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
59 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
60 			0, 4, BOOKE_PAGESZ_1G, 1),
61 
62 	/* *I*G* - PCI I/O */
63 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
64 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
65 			0, 5, BOOKE_PAGESZ_256K, 1),
66 #endif
67 #endif
68 
69 #ifndef CONFIG_SDCARD
70 	/* *I*G - Board CPLD  */
71 	SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
72 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
73 			0, 6, BOOKE_PAGESZ_256K, 1),
74 
75 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
76 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
77 			0, 7, BOOKE_PAGESZ_1M, 1),
78 #endif
79 
80 #if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)
81 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
82 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
83 			0, 8, BOOKE_PAGESZ_1G, 1)
84 #endif
85 };
86 
87 int num_tlb_entries = ARRAY_SIZE(tlb_table);
88