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
|
/*-
* Copyright (C) 2008 MARVELL INTERNATIONAL LTD.
* All rights reserved.
*
* Developed by Semihalf.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of MARVELL nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/pte.h>
#include <machine/pmap.h>
#include <machine/vmparam.h>
#include <arm/mv/mvreg.h>
#include <arm/mv/mvvar.h>
/*
* Virtual address space layout:
* -----------------------------
* 0x0000_0000 - 0xbfff_ffff : user process
*
* 0xc040_0000 - virtual_avail : kernel reserved (text, data, page tables
* : structures, ARM stacks etc.)
* virtual_avail - 0xefff_ffff : KVA (virtual_avail is typically < 0xc0a0_0000)
* 0xf000_0000 - 0xf0ff_ffff : no-cache allocation area (16MB)
* 0xf100_0000 - 0xf10f_ffff : SoC integrated devices registers range (1MB)
* 0xf110_0000 - 0xf11f_ffff : PCI-Express I/O space (1MB)
* 0xf120_0000 - 0xf12f_ffff : unused (1MB)
* 0xf130_0000 - 0xf52f_ffff : PCI-Express memory space (64MB)
* 0xf930_0000 - 0xfffe_ffff : unused (~172MB)
* 0xffff_0000 - 0xffff_0fff : 'high' vectors page (4KB)
* 0xffff_1000 - 0xffff_1fff : ARM_TP_ADDRESS/RAS page (4KB)
* 0xffff_2000 - 0xffff_ffff : unused (~55KB)
*/
const struct pmap_devmap *pmap_devmap_bootstrap_table;
vm_offset_t pmap_bootstrap_lastaddr;
/* Static device mappings. */
static const struct pmap_devmap pmap_devmap[] = {
/*
* Map the on-board devices VA == PA so that we can access them
* with the MMU on or off.
*/
{ /* SoC integrated peripherals registers range */
MV_BASE,
MV_PHYS_BASE,
MV_SIZE,
VM_PROT_READ | VM_PROT_WRITE,
PTE_NOCACHE,
},
{ /* PCIE I/O */
MV_PCIE_IO_BASE,
MV_PCIE_IO_PHYS_BASE,
MV_PCIE_IO_SIZE,
VM_PROT_READ | VM_PROT_WRITE,
PTE_NOCACHE,
},
{ /* PCIE Memory */
MV_PCIE_MEM_BASE,
MV_PCIE_MEM_PHYS_BASE,
MV_PCIE_MEM_SIZE,
VM_PROT_READ | VM_PROT_WRITE,
PTE_NOCACHE,
},
{ 0, 0, 0, 0, 0, }
};
int
platform_pmap_init(void)
{
pmap_bootstrap_lastaddr = MV_BASE - ARM_NOCACHE_KVA_SIZE;
pmap_devmap_bootstrap_table = &pmap_devmap[0];
return (0);
}
static void
platform_identify(void *dummy)
{
soc_identify();
/*
* XXX Board identification e.g. read out from FPGA or similar should
* go here
*/
}
SYSINIT(platform_identify, SI_SUB_CPU, SI_ORDER_SECOND, platform_identify, NULL);
/*
* TODO routine setting GPIO/MPP pins
*/
|
