xref: /openbmc/u-boot/board/freescale/c29xpcie/tlb.c (revision 12308b12)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2013 Freescale Semiconductor, Inc.
4  */
5 
6 #include <common.h>
7 #include <asm/mmu.h>
8 
9 struct fsl_e_tlb_entry tlb_table[] = {
10 	/* TLB 0 - for temp stack in cache */
11 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
12 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
13 			0, 0, BOOKE_PAGESZ_4K, 0),
14 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 ,
15 			CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
16 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
17 			0, 0, BOOKE_PAGESZ_4K, 0),
18 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 ,
19 			CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
20 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
21 			0, 0, BOOKE_PAGESZ_4K, 0),
22 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 ,
23 			CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
24 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
25 			0, 0, BOOKE_PAGESZ_4K, 0),
26 
27 	/* TLB 1 */
28 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
29 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
30 			0, 0, BOOKE_PAGESZ_1M, 1),
31 
32 #ifndef CONFIG_SPL_BUILD
33 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
34 			MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
35 			0, 1, BOOKE_PAGESZ_64M, 1),
36 
37 #ifdef CONFIG_PCI
38 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
39 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
40 			0, 2, BOOKE_PAGESZ_256M, 1),
41 
42 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
43 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
44 			0, 3, BOOKE_PAGESZ_256K, 1),
45 #endif
46 #endif
47 
48 	SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
49 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
50 			0, 4, BOOKE_PAGESZ_64K, 1),
51 
52 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
53 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
54 			0, 5, BOOKE_PAGESZ_64K, 1),
55 
56 	SET_TLB_ENTRY(1, CONFIG_SYS_PLATFORM_SRAM_BASE,
57 			CONFIG_SYS_PLATFORM_SRAM_BASE_PHYS,
58 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
59 			0, 6, BOOKE_PAGESZ_256K, 1),
60 	SET_TLB_ENTRY(1, CONFIG_SYS_PLATFORM_SRAM_BASE + 0x40000,
61 			CONFIG_SYS_PLATFORM_SRAM_BASE_PHYS + 0x40000,
62 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
63 			0, 7, BOOKE_PAGESZ_256K, 1),
64 
65 #if defined(CONFIG_SYS_RAMBOOT) || \
66 		(defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD))
67 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE,
68 			CONFIG_SYS_DDR_SDRAM_BASE,
69 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
70 			0, 8, BOOKE_PAGESZ_256M, 1),
71 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x10000000,
72 			CONFIG_SYS_DDR_SDRAM_BASE + 0x10000000,
73 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
74 			0, 9, BOOKE_PAGESZ_256M, 1),
75 #endif
76 
77 #ifdef CONFIG_SYS_INIT_L2_ADDR
78 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
79 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
80 		      0, 12, BOOKE_PAGESZ_256K, 1)
81 #endif
82 };
83 
84 int num_tlb_entries = ARRAY_SIZE(tlb_table);
85