xref: /openbmc/u-boot/board/Arcturus/ucp1020/tlb.c (revision ef64e782)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2013-2015 Arcturus Networks, Inc
4  *           http://www.arcturusnetworks.com/products/ucp1020/
5  * based on board/freescale/p1_p2_rdb_pc/tlb.c
6  * original copyright follows:
7  * Copyright 2010-2011 Freescale Semiconductor, Inc.
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,
16 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS,
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_PHYS + 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_PHYS + 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_PHYS + 12 * 1024,
29 		      MAS3_SX | MAS3_SW | MAS3_SR, 0,
30 		      0, 0, BOOKE_PAGESZ_4K, 0),
31 
32 	/* TLB 1 */
33 	/* *I*** - Covers boot page */
34 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
35 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I,
36 		      0, 0, BOOKE_PAGESZ_4K, 1),
37 
38 	/* *I*G* - CCSRBAR */
39 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
40 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
41 		      0, 1, BOOKE_PAGESZ_1M, 1),
42 
43 #ifndef CONFIG_SPL_BUILD
44 	/* W**G* - Flash/promjet, localbus */
45 	/* This will be changed to *I*G* after relocation to RAM. */
46 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
47 		      MAS3_SX | MAS3_SR, MAS2_W | MAS2_G,
48 		      0, 2, BOOKE_PAGESZ_64M, 1),
49 
50 #ifdef CONFIG_PCI
51 	/* *I*G* - PCI memory 1.5G */
52 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
53 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
54 		      0, 3, BOOKE_PAGESZ_1G, 1),
55 
56 	/* *I*G* - PCI I/O effective: 192K  */
57 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
58 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
59 		      0, 4, BOOKE_PAGESZ_256K, 1),
60 #endif
61 
62 #ifdef CONFIG_VSC7385_ENET
63 	/* *I*G - VSC7385 Switch */
64 	SET_TLB_ENTRY(1, CONFIG_SYS_VSC7385_BASE, CONFIG_SYS_VSC7385_BASE_PHYS,
65 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
66 		      0, 5, BOOKE_PAGESZ_1M, 1),
67 #endif
68 #endif /* not SPL */
69 
70 #ifdef CONFIG_SYS_NAND_BASE
71 	/* *I*G - NAND */
72 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
73 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
74 		      0, 7, BOOKE_PAGESZ_1M, 1),
75 #endif
76 
77 #if defined(CONFIG_SYS_RAMBOOT) || \
78 	(defined(CONFIG_SPL) && !defined(CONFIG_SPL_COMMON_INIT_DDR))
79 	/* *I*G - eSDHC/eSPI/NAND boot */
80 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
81 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_M,
82 		      0, 8, BOOKE_PAGESZ_1G, 1),
83 
84 #endif /* RAMBOOT/SPL */
85 
86 #ifdef CONFIG_SYS_INIT_L2_ADDR
87 	/* *I*G - L2SRAM */
88 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
89 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_G,
90 		      0, 11, BOOKE_PAGESZ_256K, 1),
91 #if CONFIG_SYS_L2_SIZE >= (256 << 10)
92 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
93 		      CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
94 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
95 		      0, 12, BOOKE_PAGESZ_256K, 1)
96 #endif
97 #endif
98 };
99 
100 int num_tlb_entries = ARRAY_SIZE(tlb_table);
101