xref: /OK3568_Linux_fs/u-boot/board/freescale/mpc8568mds/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 1 Initializations */
29*4882a593Smuzhiyun 	/*
30*4882a593Smuzhiyun 	 * TLBe 0:	16M	Non-cacheable, guarded
31*4882a593Smuzhiyun 	 * 0xff000000	16M	FLASH (upper half)
32*4882a593Smuzhiyun 	 * Out of reset this entry is only 4K.
33*4882a593Smuzhiyun 	 */
34*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE + 0x1000000, CONFIG_SYS_FLASH_BASE + 0x1000000,
35*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
36*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_16M, 1),
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun 	/*
39*4882a593Smuzhiyun 	 * TLBe 1:	16M	Non-cacheable, guarded
40*4882a593Smuzhiyun 	 * 0xfe000000	16M	FLASH (lower half)
41*4882a593Smuzhiyun 	 */
42*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE,
43*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
44*4882a593Smuzhiyun 		      0, 1, BOOKE_PAGESZ_16M, 1),
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun 	/*
47*4882a593Smuzhiyun 	 * TLBe 2:	1G	Non-cacheable, guarded
48*4882a593Smuzhiyun 	 * 0x80000000	512M	PCI1 MEM
49*4882a593Smuzhiyun 	 * 0xa0000000	512M	PCIe MEM
50*4882a593Smuzhiyun 	 */
51*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_VIRT, CONFIG_SYS_PCI1_MEM_PHYS,
52*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
53*4882a593Smuzhiyun 		      0, 2, BOOKE_PAGESZ_1G, 1),
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun 	/*
56*4882a593Smuzhiyun 	 * TLBe 3:	64M	Non-cacheable, guarded
57*4882a593Smuzhiyun 	 * 0xe000_0000	1M	CCSRBAR
58*4882a593Smuzhiyun 	 * 0xe200_0000	8M	PCI1 IO
59*4882a593Smuzhiyun 	 * 0xe280_0000	8M	PCIe IO
60*4882a593Smuzhiyun 	 */
61*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
62*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
63*4882a593Smuzhiyun 		      0, 3, BOOKE_PAGESZ_64M, 1),
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun 	/*
66*4882a593Smuzhiyun 	 * TLBe 4:	64M	Cacheable, non-guarded
67*4882a593Smuzhiyun 	 * 0xf000_0000	64M	LBC SDRAM
68*4882a593Smuzhiyun 	 */
69*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_LBC_SDRAM_BASE, CONFIG_SYS_LBC_SDRAM_BASE,
70*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
71*4882a593Smuzhiyun 		      0, 4, BOOKE_PAGESZ_64M, 1),
72*4882a593Smuzhiyun 
73*4882a593Smuzhiyun 	/*
74*4882a593Smuzhiyun 	 * TLBe 5:	256K	Non-cacheable, guarded
75*4882a593Smuzhiyun 	 * 0xf8000000	32K BCSR
76*4882a593Smuzhiyun 	 * 0xf8008000	32K PIB (CS4)
77*4882a593Smuzhiyun 	 * 0xf8010000	32K PIB (CS5)
78*4882a593Smuzhiyun 	 */
79*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_BCSR_BASE, CONFIG_SYS_BCSR_BASE,
80*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
81*4882a593Smuzhiyun 		      0, 5, BOOKE_PAGESZ_256K, 1),
82*4882a593Smuzhiyun };
83*4882a593Smuzhiyun 
84*4882a593Smuzhiyun int num_tlb_entries = ARRAY_SIZE(tlb_table);
85