xref: /openbmc/u-boot/board/xes/xpedite520x/tlb.c (revision be059e88)
1 /*
2  * Copyright 2008 Extreme Engineering Solutions, Inc.
3  * Copyright 2008 Freescale Semiconductor, Inc.
4  *
5  * (C) Copyright 2000
6  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #include <common.h>
12 #include <asm/mmu.h>
13 
14 struct fsl_e_tlb_entry tlb_table[] = {
15 	/* TLB 0 - for temp stack in cache */
16 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
17 		MAS3_SX|MAS3_SW|MAS3_SR, 0,
18 		0, 0, BOOKE_PAGESZ_4K, 0),
19 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
20 		CONFIG_SYS_INIT_RAM_ADDR + 4 * 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 + 8 * 1024,
24 		CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
25 		MAS3_SX|MAS3_SW|MAS3_SR, 0,
26 		0, 0, BOOKE_PAGESZ_4K, 0),
27 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
28 		CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
29 		MAS3_SX|MAS3_SW|MAS3_SR, 0,
30 		0, 0, BOOKE_PAGESZ_4K, 0),
31 
32 	/* W**G* - NOR flashes */
33 	/* This will be changed to *I*G* after relocation to RAM. */
34 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE2, CONFIG_SYS_FLASH_BASE2,
35 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
36 		0, 0, BOOKE_PAGESZ_256M, 1),
37 
38 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
39 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
40 		0, 1, BOOKE_PAGESZ_1M, 1),
41 
42 	/* *I*G* - NAND flash */
43 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE,
44 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
45 		0, 2, BOOKE_PAGESZ_1M, 1),
46 
47 #if CONFIG_PCI1
48 	/* *I*G* - PCI MEM */
49 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_PHYS, CONFIG_SYS_PCI1_MEM_PHYS,
50 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
51 		0, 3, BOOKE_PAGESZ_1G, 1),
52 #endif
53 
54 #if CONFIG_PCI2
55 	/* *I*G* - PCI MEM */
56 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI2_MEM_PHYS, CONFIG_SYS_PCI2_MEM_PHYS,
57 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
58 		0, 4, BOOKE_PAGESZ_256M, 1),
59 #endif
60 
61 #if defined(CONFIG_PCI1) || defined(CONFIG_PCI2)
62 	/* *I*G* - PCI IO */
63 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_IO_PHYS, CONFIG_SYS_PCI1_IO_PHYS,
64 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
65 		0, 5, BOOKE_PAGESZ_16M, 1),
66 #endif
67 };
68 
69 int num_tlb_entries = ARRAY_SIZE(tlb_table);
70