xref: /openbmc/u-boot/board/freescale/p1_twr/tlb.c (revision dd1033e4)
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,
12 			CONFIG_SYS_INIT_RAM_ADDR_PHYS,
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_PHYS + 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_PHYS + 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_PHYS + 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,
32 			0, 0, BOOKE_PAGESZ_4K, 1),
33 
34 	/* *I*G* - CCSRBAR */
35 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
36 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
37 			0, 1, BOOKE_PAGESZ_1M, 1),
38 
39 #ifndef CONFIG_SPL_BUILD
40 	/* W**G* - Flash, localbus */
41 	/* This will be changed to *I*G* after relocation to RAM. */
42 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
43 			MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
44 			0, 2, BOOKE_PAGESZ_64M, 1),
45 
46 	/* W**G* - Flash, localbus */
47 	/* This will be changed to *I*G* after relocation to RAM. */
48 	SET_TLB_ENTRY(1, CONFIG_SYS_SSD_BASE, CONFIG_SYS_SSD_BASE_PHYS,
49 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
50 			0, 5, BOOKE_PAGESZ_1M, 1),
51 
52 #ifdef CONFIG_PCI
53 	/* *I*G* - PCI memory 1.5G */
54 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
55 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
56 			0, 3, BOOKE_PAGESZ_1G, 1),
57 
58 	/* *I*G* - PCI I/O effective: 192K  */
59 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
60 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
61 			0, 4, BOOKE_PAGESZ_256K, 1),
62 #endif
63 
64 #endif
65 
66 #ifdef CONFIG_SYS_RAMBOOT
67 	/* *I*G - eSDHC boot */
68 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
69 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
70 			0, 8, BOOKE_PAGESZ_1G, 1),
71 #endif
72 
73 };
74 
75 int num_tlb_entries = ARRAY_SIZE(tlb_table);
76