xref: /openbmc/u-boot/board/freescale/p1010rdb/tlb.c (revision b24a8ec1)
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_BOOT
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 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
46 			MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
47 			0, 2, BOOKE_PAGESZ_16M, 1),
48 
49 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE + 0x1000000,
50 			CONFIG_SYS_FLASH_BASE_PHYS + 0x1000000,
51 			MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
52 			0, 3, BOOKE_PAGESZ_16M, 1),
53 
54 #ifdef CONFIG_PCI
55 	/* *I*G* - PCI */
56 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
57 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
58 			0, 4, BOOKE_PAGESZ_1G, 1),
59 
60 	/* *I*G* - PCI I/O */
61 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
62 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
63 			0, 5, BOOKE_PAGESZ_256K, 1),
64 #endif
65 #endif
66 
67 	/* *I*G - Board CPLD  */
68 	SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
69 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
70 			0, 6, BOOKE_PAGESZ_256K, 1),
71 
72 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
73 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
74 			0, 7, BOOKE_PAGESZ_1M, 1),
75 
76 #if defined(CONFIG_SYS_RAMBOOT) || \
77 	(defined(CONFIG_SPL) && !defined(CONFIG_SPL_COMMON_INIT_DDR))
78 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
79 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
80 			0, 8, BOOKE_PAGESZ_1G, 1),
81 #endif
82 
83 #ifdef CONFIG_SYS_INIT_L2_ADDR
84 	/* *I*G - L2SRAM */
85 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
86 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
87 		      0, 11, BOOKE_PAGESZ_256K, 1)
88 #endif
89 };
90 
91 int num_tlb_entries = ARRAY_SIZE(tlb_table);
92