xref: /OK3568_Linux_fs/u-boot/board/freescale/p1_twr/tlb.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2013 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <asm/mmu.h>
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun struct fsl_e_tlb_entry tlb_table[] = {
11*4882a593Smuzhiyun 	/* TLB 0 - for temp stack in cache */
12*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
13*4882a593Smuzhiyun 			CONFIG_SYS_INIT_RAM_ADDR_PHYS,
14*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
15*4882a593Smuzhiyun 			0, 0, BOOKE_PAGESZ_4K, 0),
16*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 ,
17*4882a593Smuzhiyun 			CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
18*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
19*4882a593Smuzhiyun 			0, 0, BOOKE_PAGESZ_4K, 0),
20*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 ,
21*4882a593Smuzhiyun 			CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
22*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
23*4882a593Smuzhiyun 			0, 0, BOOKE_PAGESZ_4K, 0),
24*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 ,
25*4882a593Smuzhiyun 			CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
26*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
27*4882a593Smuzhiyun 			0, 0, BOOKE_PAGESZ_4K, 0),
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun 	/* TLB 1 */
30*4882a593Smuzhiyun 	/* *I*** - Covers boot page */
31*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
32*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
33*4882a593Smuzhiyun 			0, 0, BOOKE_PAGESZ_4K, 1),
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun 	/* *I*G* - CCSRBAR */
36*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
37*4882a593Smuzhiyun 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
38*4882a593Smuzhiyun 			0, 1, BOOKE_PAGESZ_1M, 1),
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun #ifndef CONFIG_SPL_BUILD
41*4882a593Smuzhiyun 	/* W**G* - Flash, localbus */
42*4882a593Smuzhiyun 	/* This will be changed to *I*G* after relocation to RAM. */
43*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
44*4882a593Smuzhiyun 			MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
45*4882a593Smuzhiyun 			0, 2, BOOKE_PAGESZ_64M, 1),
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun 	/* W**G* - Flash, localbus */
48*4882a593Smuzhiyun 	/* This will be changed to *I*G* after relocation to RAM. */
49*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_SSD_BASE, CONFIG_SYS_SSD_BASE_PHYS,
50*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
51*4882a593Smuzhiyun 			0, 5, BOOKE_PAGESZ_1M, 1),
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #ifdef CONFIG_PCI
54*4882a593Smuzhiyun 	/* *I*G* - PCI memory 1.5G */
55*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
56*4882a593Smuzhiyun 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
57*4882a593Smuzhiyun 			0, 3, BOOKE_PAGESZ_1G, 1),
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun 	/* *I*G* - PCI I/O effective: 192K  */
60*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
61*4882a593Smuzhiyun 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
62*4882a593Smuzhiyun 			0, 4, BOOKE_PAGESZ_256K, 1),
63*4882a593Smuzhiyun #endif
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun #endif
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun #ifdef CONFIG_SYS_RAMBOOT
68*4882a593Smuzhiyun 	/* *I*G - eSDHC boot */
69*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
70*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
71*4882a593Smuzhiyun 			0, 8, BOOKE_PAGESZ_1G, 1),
72*4882a593Smuzhiyun #endif
73*4882a593Smuzhiyun 
74*4882a593Smuzhiyun };
75*4882a593Smuzhiyun 
76*4882a593Smuzhiyun int num_tlb_entries = ARRAY_SIZE(tlb_table);
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