xref: /OK3568_Linux_fs/u-boot/board/freescale/bsc9131rdb/tlb.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2011-2012 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, CONFIG_SYS_INIT_RAM_ADDR,
13*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
14*4882a593Smuzhiyun 			0, 0, BOOKE_PAGESZ_4K, 0),
15*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 ,
16*4882a593Smuzhiyun 			CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
17*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
18*4882a593Smuzhiyun 			0, 0, BOOKE_PAGESZ_4K, 0),
19*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 ,
20*4882a593Smuzhiyun 			CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
21*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
22*4882a593Smuzhiyun 			0, 0, BOOKE_PAGESZ_4K, 0),
23*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 ,
24*4882a593Smuzhiyun 			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 	/* *I*** - Covers boot page */
30*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
31*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
32*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 1),
33*4882a593Smuzhiyun #ifdef CONFIG_SPL_NAND_BOOT
34*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, 0xffffe000, 0xffffe000,
35*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
36*4882a593Smuzhiyun 		      0, 10, BOOKE_PAGESZ_4K, 1),
37*4882a593Smuzhiyun #endif
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun 	/* *I*G* - CCSRBAR (PA) */
40*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
41*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
42*4882a593Smuzhiyun 			0, 1, BOOKE_PAGESZ_1M, 1),
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun 	/* CCSRBAR (DSP) */
45*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_FSL_DSP_CCSRBAR,
46*4882a593Smuzhiyun 		      CONFIG_SYS_FSL_DSP_CCSRBAR_PHYS,
47*4882a593Smuzhiyun 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
48*4882a593Smuzhiyun 		      0, 2, BOOKE_PAGESZ_1M, 1),
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun #if  defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)
51*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
52*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
53*4882a593Smuzhiyun 			0, 8, BOOKE_PAGESZ_1G, 1),
54*4882a593Smuzhiyun #endif
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
57*4882a593Smuzhiyun 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
58*4882a593Smuzhiyun 			0, 3, BOOKE_PAGESZ_1M, 1)
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun };
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun int num_tlb_entries = ARRAY_SIZE(tlb_table);
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