xref: /OK3568_Linux_fs/u-boot/board/freescale/mpc8548cds/tlb.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2008, 2011 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 1 */
29*4882a593Smuzhiyun 	/*
30*4882a593Smuzhiyun 	 * Entry 0:
31*4882a593Smuzhiyun 	 * FLASH(cover boot page)	16M	Non-cacheable, guarded
32*4882a593Smuzhiyun 	 */
33*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
34*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
35*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_16M, 1),
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun 	/*
38*4882a593Smuzhiyun 	 * Entry 1:
39*4882a593Smuzhiyun 	 * CCSRBAR	1M	Non-cacheable, guarded
40*4882a593Smuzhiyun 	 */
41*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
42*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
43*4882a593Smuzhiyun 		      0, 1, BOOKE_PAGESZ_1M, 1),
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun 	/*
46*4882a593Smuzhiyun 	 * Entry 2:
47*4882a593Smuzhiyun 	 * LBC SDRAM	64M	Cacheable, non-guarded
48*4882a593Smuzhiyun 	 */
49*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_LBC_SDRAM_BASE,
50*4882a593Smuzhiyun 		      CONFIG_SYS_LBC_SDRAM_BASE_PHYS,
51*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
52*4882a593Smuzhiyun 		      0, 2, BOOKE_PAGESZ_64M, 1),
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun 	/*
55*4882a593Smuzhiyun 	 * Entry 3:
56*4882a593Smuzhiyun 	 * CADMUS registers	1M	Non-cacheable, guarded
57*4882a593Smuzhiyun 	 */
58*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CADMUS_BASE_ADDR, CADMUS_BASE_ADDR_PHYS,
59*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
60*4882a593Smuzhiyun 		      0, 3, BOOKE_PAGESZ_1M, 1),
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun 	/*
63*4882a593Smuzhiyun 	 * Entry 4:
64*4882a593Smuzhiyun 	 * PCI and PCIe MEM	1G	Non-cacheable, guarded
65*4882a593Smuzhiyun 	 */
66*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_VIRT, CONFIG_SYS_PCI1_MEM_PHYS,
67*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
68*4882a593Smuzhiyun 		      0, 4, BOOKE_PAGESZ_1G, 1),
69*4882a593Smuzhiyun 
70*4882a593Smuzhiyun 	/*
71*4882a593Smuzhiyun 	 * Entry 5:
72*4882a593Smuzhiyun 	 * PCI1 IO	1M	Non-cacheable, guarded
73*4882a593Smuzhiyun 	 */
74*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_IO_VIRT, CONFIG_SYS_PCI1_IO_PHYS,
75*4882a593Smuzhiyun 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
76*4882a593Smuzhiyun 		      0, 5, BOOKE_PAGESZ_1M, 1),
77*4882a593Smuzhiyun 
78*4882a593Smuzhiyun 	/*
79*4882a593Smuzhiyun 	 * Entry 6:
80*4882a593Smuzhiyun 	 * PCIe IO	1M	Non-cacheable, guarded
81*4882a593Smuzhiyun 	 */
82*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
83*4882a593Smuzhiyun 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
84*4882a593Smuzhiyun 		      0, 6, BOOKE_PAGESZ_1M, 1),
85*4882a593Smuzhiyun };
86*4882a593Smuzhiyun 
87*4882a593Smuzhiyun int num_tlb_entries = ARRAY_SIZE(tlb_table);
88