xref: /OK3568_Linux_fs/u-boot/board/freescale/mpc8544ds/tlb.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2008 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * (C) Copyright 2000
5*4882a593Smuzhiyun  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include <common.h>
11*4882a593Smuzhiyun #include <asm/mmu.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun struct fsl_e_tlb_entry tlb_table[] = {
14*4882a593Smuzhiyun 	/* TLB 0 - for temp stack in cache */
15*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
16*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
17*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 0),
18*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
19*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
20*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 0),
21*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 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 , CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
25*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
26*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 0),
27*4882a593Smuzhiyun 	/*
28*4882a593Smuzhiyun 	 * TLB 0:	64M	Non-cacheable, guarded
29*4882a593Smuzhiyun 	 * 0xfc000000	64M	Covers FLASH at 0xFE800000 and 0xFF800000
30*4882a593Smuzhiyun 	 * Out of reset this entry is only 4K.
31*4882a593Smuzhiyun 	 */
32*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_BOOT_BLOCK, CONFIG_SYS_BOOT_BLOCK,
33*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
34*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_64M, 1),
35*4882a593Smuzhiyun 	/*
36*4882a593Smuzhiyun 	 * TLB 1:	1G	Non-cacheable, guarded
37*4882a593Smuzhiyun 	 * 0x80000000	1G	PCIE  8,9,a,b
38*4882a593Smuzhiyun 	 */
39*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE_VIRT, CONFIG_SYS_PCIE_PHYS,
40*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
41*4882a593Smuzhiyun 		      0, 1, BOOKE_PAGESZ_1G, 1),
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun 	/*
44*4882a593Smuzhiyun 	 * TLB 2:	256M	Non-cacheable, guarded
45*4882a593Smuzhiyun 	 */
46*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI_VIRT, CONFIG_SYS_PCI_PHYS,
47*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
48*4882a593Smuzhiyun 		      0, 2, BOOKE_PAGESZ_256M, 1),
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun 	/*
51*4882a593Smuzhiyun 	 * TLB 3:	256M	Non-cacheable, guarded
52*4882a593Smuzhiyun 	 */
53*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI_VIRT + 0x10000000, CONFIG_SYS_PCI_PHYS + 0x10000000,
54*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
55*4882a593Smuzhiyun 		      0, 3, BOOKE_PAGESZ_256M, 1),
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun 	/*
58*4882a593Smuzhiyun 	 * TLB 4:	64M	Non-cacheable, guarded
59*4882a593Smuzhiyun 	 * 0xe000_0000	1M	CCSRBAR
60*4882a593Smuzhiyun 	 * 0xe100_0000	255M	PCI IO range
61*4882a593Smuzhiyun 	 */
62*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
63*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
64*4882a593Smuzhiyun 		      0, 4, BOOKE_PAGESZ_64M, 1),
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun 	/*
67*4882a593Smuzhiyun 	 * TLB 5:	64M	Non-cacheable, guarded
68*4882a593Smuzhiyun 	 * 0xf8000000	64M	PIXIS 0xF8000000 - 0xFBFFFFFF
69*4882a593Smuzhiyun 	 */
70*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_LBC_NONCACHE_BASE, CONFIG_SYS_LBC_NONCACHE_BASE,
71*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
72*4882a593Smuzhiyun 		      0, 5, BOOKE_PAGESZ_64M, 1),
73*4882a593Smuzhiyun };
74*4882a593Smuzhiyun 
75*4882a593Smuzhiyun int num_tlb_entries = ARRAY_SIZE(tlb_table);
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