xref: /openbmc/u-boot/board/freescale/p1_twr/tlb.c (revision 7fd65ef5)
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,
13 			CONFIG_SYS_INIT_RAM_ADDR_PHYS,
14 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
15 			0, 0, BOOKE_PAGESZ_4K, 0),
16 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 ,
17 			CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
18 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
19 			0, 0, BOOKE_PAGESZ_4K, 0),
20 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 ,
21 			CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
22 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
23 			0, 0, BOOKE_PAGESZ_4K, 0),
24 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 ,
25 			CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
26 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
27 			0, 0, BOOKE_PAGESZ_4K, 0),
28 
29 	/* TLB 1 */
30 	/* *I*** - Covers boot page */
31 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
32 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
33 			0, 0, BOOKE_PAGESZ_4K, 1),
34 
35 	/* *I*G* - CCSRBAR */
36 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
37 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
38 			0, 1, BOOKE_PAGESZ_1M, 1),
39 
40 #ifndef CONFIG_SPL_BUILD
41 	/* W**G* - Flash, localbus */
42 	/* This will be changed to *I*G* after relocation to RAM. */
43 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
44 			MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
45 			0, 2, BOOKE_PAGESZ_64M, 1),
46 
47 	/* W**G* - Flash, localbus */
48 	/* This will be changed to *I*G* after relocation to RAM. */
49 	SET_TLB_ENTRY(1, CONFIG_SYS_SSD_BASE, CONFIG_SYS_SSD_BASE_PHYS,
50 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
51 			0, 5, BOOKE_PAGESZ_1M, 1),
52 
53 #ifdef CONFIG_PCI
54 	/* *I*G* - PCI memory 1.5G */
55 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
56 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
57 			0, 3, BOOKE_PAGESZ_1G, 1),
58 
59 	/* *I*G* - PCI I/O effective: 192K  */
60 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
61 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
62 			0, 4, BOOKE_PAGESZ_256K, 1),
63 #endif
64 
65 #endif
66 
67 #ifdef CONFIG_SYS_RAMBOOT
68 	/* *I*G - eSDHC boot */
69 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
70 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
71 			0, 8, BOOKE_PAGESZ_1G, 1),
72 #endif
73 
74 };
75 
76 int num_tlb_entries = ARRAY_SIZE(tlb_table);
77