1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/*
* Copyright (C) 2003 Embedded Edge, LLC
* Dan Malek <dan@embeddededge.com>
* Copied from ADS85xx.
* Updates for Silicon Tx GP3 8560. We only support 32-bit flash
* and DDR with SPD EEPROM configuration.
*
* Copyright (C) 2002,2003, Motorola Inc.
* Xianghua Xiao <X.Xiao@motorola.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <ppc_asm.tmpl>
#include <ppc_defs.h>
#include <asm/cache.h>
#include <asm/mmu.h>
#include <config.h>
#include <mpc85xx.h>
#define entry_start \
mflr r1 ; \
bl 0f ;
#define entry_end \
0: mflr r0 ; \
mtlr r1 ; \
blr ;
/* TLB1 entries configuration: */
.section .bootpg, "ax"
.globl tlb1_entry
tlb1_entry:
entry_start
/* If RAMBOOT, we are testing and the BDI has set up
* much of the MMU already.
* TLB 4,5 SDRAM
* TLB 15 is default CCSRBAR.
*/
.long 0x09 /* the following data table uses a few of 16 TLB entries */
.long TLB1_MAS0(1,1,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
.long TLB1_MAS2(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,1,0,1,0)
.long TLB1_MAS3(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,2,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16M)
.long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
.long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,3,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
.long TLB1_MAS2(((CFG_LBC_LCLDEVS_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
.long TLB1_MAS3(((CFG_LBC_LCLDEVS_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,4,0)
.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,5,0)
.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,6,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
#if defined(CONFIG_RAM_AS_FLASH)
.long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
#else
.long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0)
#endif
.long TLB1_MAS3(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,7,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K)
#ifdef CONFIG_L2_INIT_RAM
.long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,1,0,0,0,0)
#else
.long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,0,0,0)
#endif
.long TLB1_MAS3(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,8,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_256M)
.long TLB1_MAS2(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
.long TLB1_MAS3(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
.long TLB1_MAS0(1,15,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
.long TLB1_MAS2(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,1,0,1,0)
.long TLB1_MAS3(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
#else
.long TLB1_MAS0(1,15,0)
.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
#endif
entry_end
/* LAW(Local Access Window) configuration:
* 0000_0000-8000_0000: Up to 2G DDR
* f000_0000-f3ff_ffff: PCI(256M)
* f400_0000-f7ff_ffff: RapidIO(128M)
* f800_0000-ffff_ffff: localbus(128M)
* f800_0000-fbff_ffff: LBC SDRAM(64M)
* fc00_0000-fcff_ffff: LBC BCSR (1M, Chip select 1)
* fdf0_0000-fdff_ffff: CCSRBAR(1M)
* ff00_0000-ffff_ffff: Flash(16M)
* We don't need a local window for CCSRBAR and flash because they
* reside in their default mapped spaces.
*/
#define LAWBAR0 0
#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_2G)) & ~LAWAR_EN)
#define LAWBAR1 ((CFG_PCI_MEM_BASE>>12) & 0xfffff)
#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_256M))
#if !defined(CONFIG_RAM_AS_FLASH)
#define LAWBAR2 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M))
#else
#define LAWBAR2 0
#define LAWAR2 ((LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
#endif
.section .bootpg, "ax"
.globl law_entry
law_entry:
entry_start
.long 0x03
.long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2
entry_end
|
