aboutsummaryrefslogtreecommitdiff
path: root/hw/arm/gumstix.c
blob: 3f8465ebc0d5ccd7df6d107245cf1c52f7827dbb (plain)
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
/*
 * Gumstix Platforms
 *
 * Copyright (c) 2007 by Thorsten Zitterell <info@bitmux.org>
 *
 * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
 *
 * This code is licensed under the GNU GPL v2.
 *
 * Contributions after 2012-01-13 are licensed under the terms of the
 * GNU GPL, version 2 or (at your option) any later version.
 */
 
/* 
 * Example usage:
 * 
 * connex:
 * =======
 * create image:
 * # dd of=flash bs=1k count=16k if=/dev/zero
 * # dd of=flash bs=1k conv=notrunc if=u-boot.bin
 * # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2
 * start it:
 * # qemu-system-arm -M connex -pflash flash -monitor null -nographic
 *
 * verdex:
 * =======
 * create image:
 * # dd of=flash bs=1k count=32k if=/dev/zero
 * # dd of=flash bs=1k conv=notrunc if=u-boot.bin
 * # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2
 * # dd of=flash bs=1k conv=notrunc seek=31744 if=uImage
 * start it:
 * # qemu-system-arm -M verdex -pflash flash -monitor null -nographic -m 289
 */

#include "hw/hw.h"
#include "hw/arm/pxa.h"
#include "net/net.h"
#include "hw/block/flash.h"
#include "hw/devices.h"
#include "hw/boards.h"
#include "sysemu/blockdev.h"
#include "exec/address-spaces.h"
#include "sysemu/qtest.h"

static const int sector_len = 128 * 1024;

static void connex_init(MachineState *machine)
{
    PXA2xxState *cpu;
    DriveInfo *dinfo;
    int be;
    MemoryRegion *address_space_mem = get_system_memory();

    uint32_t connex_rom = 0x01000000;
    uint32_t connex_ram = 0x04000000;

    cpu = pxa255_init(address_space_mem, connex_ram);

    dinfo = drive_get(IF_PFLASH, 0, 0);
    if (!dinfo && !qtest_enabled()) {
        fprintf(stderr, "A flash image must be given with the "
                "'pflash' parameter\n");
        exit(1);
    }

#ifdef TARGET_WORDS_BIGENDIAN
    be = 1;
#else
    be = 0;
#endif
    if (!pflash_cfi01_register(0x00000000, NULL, "connext.rom", connex_rom,
                               dinfo ? dinfo->bdrv : NULL,
                               sector_len, connex_rom / sector_len,
                               2, 0, 0, 0, 0, be)) {
        fprintf(stderr, "qemu: Error registering flash memory.\n");
        exit(1);
    }

    /* Interrupt line of NIC is connected to GPIO line 36 */
    smc91c111_init(&nd_table[0], 0x04000300,
                    qdev_get_gpio_in(cpu->gpio, 36));
}

static void verdex_init(MachineState *machine)
{
    const char *cpu_model = machine->cpu_model;
    PXA2xxState *cpu;
    DriveInfo *dinfo;
    int be;
    MemoryRegion *address_space_mem = get_system_memory();

    uint32_t verdex_rom = 0x02000000;
    uint32_t verdex_ram = 0x10000000;

    cpu = pxa270_init(address_space_mem, verdex_ram, cpu_model ?: "pxa270-c0");

    dinfo = drive_get(IF_PFLASH, 0, 0);
    if (!dinfo && !qtest_enabled()) {
        fprintf(stderr, "A flash image must be given with the "
                "'pflash' parameter\n");
        exit(1);
    }

#ifdef TARGET_WORDS_BIGENDIAN
    be = 1;
#else
    be = 0;
#endif
    if (!pflash_cfi01_register(0x00000000, NULL, "verdex.rom", verdex_rom,
                               dinfo ? dinfo->bdrv : NULL,
                               sector_len, verdex_rom / sector_len,
                               2, 0, 0, 0, 0, be)) {
        fprintf(stderr, "qemu: Error registering flash memory.\n");
        exit(1);
    }

    /* Interrupt line of NIC is connected to GPIO line 99 */
    smc91c111_init(&nd_table[0], 0x04000300,
                    qdev_get_gpio_in(cpu->gpio, 99));
}

static QEMUMachine connex_machine = {
    .name = "connex",
    .desc = "Gumstix Connex (PXA255)",
    .init = connex_init,
};

static QEMUMachine verdex_machine = {
    .name = "verdex",
    .desc = "Gumstix Verdex (PXA270)",
    .init = verdex_init,
};

static void gumstix_machine_init(void)
{
    qemu_register_machine(&connex_machine);
    qemu_register_machine(&verdex_machine);
}

machine_init(gumstix_machine_init);