xref: /OK3568_Linux_fs/u-boot/board/gdsys/p1022/tlb.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2010 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun  * Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
4*4882a593Smuzhiyun  *          Timur Tabi <timur@freescale.com>
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <common.h>
10*4882a593Smuzhiyun #include <asm/mmu.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun struct fsl_e_tlb_entry tlb_table[] = {
13*4882a593Smuzhiyun 	/* TLB 0 - for temp stack in cache */
14*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
15*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
16*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 0),
17*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
18*4882a593Smuzhiyun 		      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,
22*4882a593Smuzhiyun 		      CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
23*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
24*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 0),
25*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
26*4882a593Smuzhiyun 		      CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
27*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
28*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 0),
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun 	/* TLB 1 */
31*4882a593Smuzhiyun 	/* *I*** - Covers boot page */
32*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
33*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
34*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 1),
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun 	/* *I*G* - CCSRBAR */
37*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
38*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
39*4882a593Smuzhiyun 		      0, 1, BOOKE_PAGESZ_1M, 1),
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun 	/* *I*G* - eLBC */
42*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_ELBC_BASE, CONFIG_SYS_ELBC_BASE_PHYS,
43*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
44*4882a593Smuzhiyun 		      0, 2, BOOKE_PAGESZ_1M, 1),
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun #if defined(CONFIG_TRAILBLAZER)
47*4882a593Smuzhiyun 	/* *I*G - L2SRAM */
48*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
49*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
50*4882a593Smuzhiyun 		      0, 9, BOOKE_PAGESZ_256K, 1),
51*4882a593Smuzhiyun #else
52*4882a593Smuzhiyun 	/* *I*G* - PCI */
53*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
54*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
55*4882a593Smuzhiyun 		      0, 3, BOOKE_PAGESZ_256M, 1),
56*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x10000000,
57*4882a593Smuzhiyun 		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x10000000,
58*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
59*4882a593Smuzhiyun 		      0, 4, BOOKE_PAGESZ_256M, 1),
60*4882a593Smuzhiyun 
61*4882a593Smuzhiyun 	/* *I*G* - PCI I/O */
62*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
63*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
64*4882a593Smuzhiyun 		      0, 5, BOOKE_PAGESZ_256K, 1),
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun #ifdef CONFIG_SYS_RAMBOOT
67*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
68*4882a593Smuzhiyun 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
69*4882a593Smuzhiyun 		      0, 6, BOOKE_PAGESZ_1G, 1),
70*4882a593Smuzhiyun #endif
71*4882a593Smuzhiyun #endif
72*4882a593Smuzhiyun };
73*4882a593Smuzhiyun 
74*4882a593Smuzhiyun int num_tlb_entries = ARRAY_SIZE(tlb_table);
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