xref: /OK3568_Linux_fs/u-boot/board/freescale/mpc8536ds/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 	SET_TLB_ENTRY(0, PIXIS_BASE, PIXIS_BASE_PHYS,
29*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
30*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 0),
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun 	/* TLB 1 */
33*4882a593Smuzhiyun 	/* *I*G* - CCSRBAR */
34*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
35*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
36*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_1M, 1),
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun 	/* W**G* - Flash/promjet, localbus */
39*4882a593Smuzhiyun 	/* This will be changed to *I*G* after relocation to RAM. */
40*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
41*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
42*4882a593Smuzhiyun 		      0, 1, BOOKE_PAGESZ_256M, 1),
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun 	/* *I*G* - PCI */
45*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_VIRT, CONFIG_SYS_PCI1_MEM_PHYS,
46*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
47*4882a593Smuzhiyun 		      0, 2, BOOKE_PAGESZ_1G, 1),
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun 	/* *I*G* - PCI I/O */
50*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_IO_VIRT, CONFIG_SYS_PCI1_IO_PHYS,
51*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
52*4882a593Smuzhiyun 		      0, 3, BOOKE_PAGESZ_256K, 1),
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun 	/* *I*G - NAND */
55*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
56*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
57*4882a593Smuzhiyun 		      0, 4, BOOKE_PAGESZ_1M, 1),
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
60*4882a593Smuzhiyun 	/* *I*G - L2SRAM */
61*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
62*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
63*4882a593Smuzhiyun 		      0, 5, BOOKE_PAGESZ_256K, 1),
64*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
65*4882a593Smuzhiyun 		      CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
66*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
67*4882a593Smuzhiyun 		      0, 6, BOOKE_PAGESZ_256K, 1),
68*4882a593Smuzhiyun #endif
69*4882a593Smuzhiyun };
70*4882a593Smuzhiyun 
71*4882a593Smuzhiyun int num_tlb_entries = ARRAY_SIZE(tlb_table);
72