xref: /openbmc/u-boot/board/freescale/mpc8536ds/tlb.c (revision c978b524)
1 /*
2  * Copyright 2008 Freescale Semiconductor, Inc.
3  *
4  * (C) Copyright 2000
5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #include <common.h>
11 #include <asm/mmu.h>
12 
13 struct fsl_e_tlb_entry tlb_table[] = {
14 	/* TLB 0 - for temp stack in cache */
15 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
16 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
17 		      0, 0, BOOKE_PAGESZ_4K, 0),
18 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
19 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
20 		      0, 0, BOOKE_PAGESZ_4K, 0),
21 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
22 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
23 		      0, 0, BOOKE_PAGESZ_4K, 0),
24 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
25 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
26 		      0, 0, BOOKE_PAGESZ_4K, 0),
27 
28 	SET_TLB_ENTRY(0, PIXIS_BASE, PIXIS_BASE_PHYS,
29 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
30 		      0, 0, BOOKE_PAGESZ_4K, 0),
31 
32 	/* TLB 1 */
33 	/* *I*G* - CCSRBAR */
34 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
35 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
36 		      0, 0, BOOKE_PAGESZ_1M, 1),
37 
38 	/* W**G* - Flash/promjet, localbus */
39 	/* This will be changed to *I*G* after relocation to RAM. */
40 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
41 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
42 		      0, 1, BOOKE_PAGESZ_256M, 1),
43 
44 	/* *I*G* - PCI */
45 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_VIRT, CONFIG_SYS_PCI1_MEM_PHYS,
46 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
47 		      0, 2, BOOKE_PAGESZ_1G, 1),
48 
49 	/* *I*G* - PCI I/O */
50 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_IO_VIRT, CONFIG_SYS_PCI1_IO_PHYS,
51 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
52 		      0, 3, BOOKE_PAGESZ_256K, 1),
53 
54 	/* *I*G - NAND */
55 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
56 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
57 		      0, 4, BOOKE_PAGESZ_1M, 1),
58 
59 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
60 	/* *I*G - L2SRAM */
61 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
62 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
63 		      0, 5, BOOKE_PAGESZ_256K, 1),
64 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
65 		      CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
66 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
67 		      0, 6, BOOKE_PAGESZ_256K, 1),
68 #endif
69 };
70 
71 int num_tlb_entries = ARRAY_SIZE(tlb_table);
72