xref: /openbmc/u-boot/board/freescale/mpc8536ds/tlb.c (revision 8ee59472)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2008 Freescale Semiconductor, Inc.
4  *
5  * (C) Copyright 2000
6  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7  */
8 
9 #include <common.h>
10 #include <asm/mmu.h>
11 
12 struct fsl_e_tlb_entry tlb_table[] = {
13 	/* TLB 0 - for temp stack in cache */
14 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
15 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
16 		      0, 0, BOOKE_PAGESZ_4K, 0),
17 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
18 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
19 		      0, 0, BOOKE_PAGESZ_4K, 0),
20 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
21 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
22 		      0, 0, BOOKE_PAGESZ_4K, 0),
23 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
24 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
25 		      0, 0, BOOKE_PAGESZ_4K, 0),
26 
27 	SET_TLB_ENTRY(0, PIXIS_BASE, PIXIS_BASE_PHYS,
28 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
29 		      0, 0, BOOKE_PAGESZ_4K, 0),
30 
31 	/* TLB 1 */
32 	/* *I*G* - CCSRBAR */
33 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
34 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
35 		      0, 0, BOOKE_PAGESZ_1M, 1),
36 
37 	/* W**G* - Flash/promjet, localbus */
38 	/* This will be changed to *I*G* after relocation to RAM. */
39 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
40 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
41 		      0, 1, BOOKE_PAGESZ_256M, 1),
42 
43 	/* *I*G* - PCI */
44 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_VIRT, CONFIG_SYS_PCI1_MEM_PHYS,
45 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
46 		      0, 2, BOOKE_PAGESZ_1G, 1),
47 
48 	/* *I*G* - PCI I/O */
49 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_IO_VIRT, CONFIG_SYS_PCI1_IO_PHYS,
50 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
51 		      0, 3, BOOKE_PAGESZ_256K, 1),
52 
53 	/* *I*G - NAND */
54 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
55 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
56 		      0, 4, BOOKE_PAGESZ_1M, 1),
57 
58 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
59 	/* *I*G - L2SRAM */
60 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
61 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
62 		      0, 5, BOOKE_PAGESZ_256K, 1),
63 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
64 		      CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
65 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
66 		      0, 6, BOOKE_PAGESZ_256K, 1),
67 #endif
68 };
69 
70 int num_tlb_entries = ARRAY_SIZE(tlb_table);
71