xref: /openbmc/u-boot/board/freescale/c29xpcie/tlb.c (revision 8729d582)
1 /*
2  * Copyright 2013 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 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
30 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
31 			0, 0, BOOKE_PAGESZ_1M, 1),
32 
33 #ifndef CONFIG_SPL_BUILD
34 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
35 			MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
36 			0, 1, BOOKE_PAGESZ_64M, 1),
37 
38 #ifdef CONFIG_PCI
39 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
40 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
41 			0, 2, BOOKE_PAGESZ_256M, 1),
42 
43 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
44 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
45 			0, 3, BOOKE_PAGESZ_256K, 1),
46 #endif
47 #endif
48 
49 	SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
50 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
51 			0, 4, BOOKE_PAGESZ_64K, 1),
52 
53 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
54 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
55 			0, 5, BOOKE_PAGESZ_64K, 1),
56 
57 	SET_TLB_ENTRY(1, CONFIG_SYS_PLATFORM_SRAM_BASE,
58 			CONFIG_SYS_PLATFORM_SRAM_BASE_PHYS,
59 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
60 			0, 6, BOOKE_PAGESZ_256K, 1),
61 	SET_TLB_ENTRY(1, CONFIG_SYS_PLATFORM_SRAM_BASE + 0x40000,
62 			CONFIG_SYS_PLATFORM_SRAM_BASE_PHYS + 0x40000,
63 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
64 			0, 7, BOOKE_PAGESZ_256K, 1),
65 
66 #if defined(CONFIG_SYS_RAMBOOT) || \
67 		(defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD))
68 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE,
69 			CONFIG_SYS_DDR_SDRAM_BASE,
70 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
71 			0, 8, BOOKE_PAGESZ_256M, 1),
72 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x10000000,
73 			CONFIG_SYS_DDR_SDRAM_BASE + 0x10000000,
74 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
75 			0, 9, BOOKE_PAGESZ_256M, 1),
76 #endif
77 
78 #ifdef CONFIG_SYS_INIT_L2_ADDR
79 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
80 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
81 		      0, 12, BOOKE_PAGESZ_256K, 1)
82 #endif
83 };
84 
85 int num_tlb_entries = ARRAY_SIZE(tlb_table);
86