xref: /OK3568_Linux_fs/u-boot/board/Arcturus/ucp1020/tlb.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2013-2015 Arcturus Networks, Inc
3*4882a593Smuzhiyun  *           http://www.arcturusnetworks.com/products/ucp1020/
4*4882a593Smuzhiyun  * based on board/freescale/p1_p2_rdb_pc/tlb.c
5*4882a593Smuzhiyun  * original copyright follows:
6*4882a593Smuzhiyun  * Copyright 2010-2011 Freescale Semiconductor, Inc.
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <common.h>
12*4882a593Smuzhiyun #include <asm/mmu.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun struct fsl_e_tlb_entry tlb_table[] = {
15*4882a593Smuzhiyun 	/* TLB 0 - for temp stack in cache */
16*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
17*4882a593Smuzhiyun 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS,
18*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SW | MAS3_SR, 0,
19*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 0),
20*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
21*4882a593Smuzhiyun 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
22*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SW | MAS3_SR, 0,
23*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 0),
24*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
25*4882a593Smuzhiyun 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
26*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SW | MAS3_SR, 0,
27*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 0),
28*4882a593Smuzhiyun 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
29*4882a593Smuzhiyun 		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
30*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SW | MAS3_SR, 0,
31*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 0),
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 	/* TLB 1 */
34*4882a593Smuzhiyun 	/* *I*** - Covers boot page */
35*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
36*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I,
37*4882a593Smuzhiyun 		      0, 0, BOOKE_PAGESZ_4K, 1),
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun 	/* *I*G* - CCSRBAR */
40*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
41*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
42*4882a593Smuzhiyun 		      0, 1, BOOKE_PAGESZ_1M, 1),
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun #ifndef CONFIG_SPL_BUILD
45*4882a593Smuzhiyun 	/* W**G* - Flash/promjet, localbus */
46*4882a593Smuzhiyun 	/* This will be changed to *I*G* after relocation to RAM. */
47*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
48*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SR, MAS2_W | MAS2_G,
49*4882a593Smuzhiyun 		      0, 2, BOOKE_PAGESZ_64M, 1),
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #ifdef CONFIG_PCI
52*4882a593Smuzhiyun 	/* *I*G* - PCI memory 1.5G */
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_1G, 1),
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun 	/* *I*G* - PCI I/O effective: 192K  */
58*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
59*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
60*4882a593Smuzhiyun 		      0, 4, BOOKE_PAGESZ_256K, 1),
61*4882a593Smuzhiyun #endif
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun #ifdef CONFIG_VSC7385_ENET
64*4882a593Smuzhiyun 	/* *I*G - VSC7385 Switch */
65*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_VSC7385_BASE, CONFIG_SYS_VSC7385_BASE_PHYS,
66*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
67*4882a593Smuzhiyun 		      0, 5, BOOKE_PAGESZ_1M, 1),
68*4882a593Smuzhiyun #endif
69*4882a593Smuzhiyun #endif /* not SPL */
70*4882a593Smuzhiyun 
71*4882a593Smuzhiyun #ifdef CONFIG_SYS_NAND_BASE
72*4882a593Smuzhiyun 	/* *I*G - NAND */
73*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
74*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
75*4882a593Smuzhiyun 		      0, 7, BOOKE_PAGESZ_1M, 1),
76*4882a593Smuzhiyun #endif
77*4882a593Smuzhiyun 
78*4882a593Smuzhiyun #if defined(CONFIG_SYS_RAMBOOT) || \
79*4882a593Smuzhiyun 	(defined(CONFIG_SPL) && !defined(CONFIG_SPL_COMMON_INIT_DDR))
80*4882a593Smuzhiyun 	/* *I*G - eSDHC/eSPI/NAND boot */
81*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
82*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SW | MAS3_SR, 0,
83*4882a593Smuzhiyun 		      0, 8, BOOKE_PAGESZ_1G, 1),
84*4882a593Smuzhiyun 
85*4882a593Smuzhiyun #endif /* RAMBOOT/SPL */
86*4882a593Smuzhiyun 
87*4882a593Smuzhiyun #ifdef CONFIG_SYS_INIT_L2_ADDR
88*4882a593Smuzhiyun 	/* *I*G - L2SRAM */
89*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
90*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_G,
91*4882a593Smuzhiyun 		      0, 11, BOOKE_PAGESZ_256K, 1),
92*4882a593Smuzhiyun #if CONFIG_SYS_L2_SIZE >= (256 << 10)
93*4882a593Smuzhiyun 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
94*4882a593Smuzhiyun 		      CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
95*4882a593Smuzhiyun 		      MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
96*4882a593Smuzhiyun 		      0, 12, BOOKE_PAGESZ_256K, 1)
97*4882a593Smuzhiyun #endif
98*4882a593Smuzhiyun #endif
99*4882a593Smuzhiyun };
100*4882a593Smuzhiyun 
101*4882a593Smuzhiyun int num_tlb_entries = ARRAY_SIZE(tlb_table);
102