aboutsummaryrefslogtreecommitdiff
path: root/hw/beagle.c
blob: 01d665a7a1b5c122b4c31fa0292b6eca32f256fe (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
/*
 * Beagle board emulation. http://beagleboard.org/
 *
 * Copyright (c) 2009 Nokia Corporation
 *
 * 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 or
 * (at your option) any later version of the License.
 *
 * 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 "qemu-common.h"
#include "sysemu.h"
#include "omap.h"
#include "arm-misc.h"
#include "boards.h"
#include "i2c.h"
#include "net.h"
#include "devices.h"
#include "flash.h"
#include "sysbus.h"
#include "blockdev.h"
#include "exec-memory.h"

#define BEAGLE_NAND_CS       0
#define BEAGLE_SMC_CS        1
#define BEAGLE_NAND_PAGESIZE 0x800
#define BEAGLE_SDRAM_SIZE    (256 * 1024 * 1024) /* 256MB */
#define BEAGLE_XM_SDRAM_SIZE (512 * 1024 * 1024) /* 512MB */
/* GPIO ID pins are used to identify which beagle variant we have */
#define BEAGLE_GPIO_ID1      171
#define BEAGLE_GPIO_ID2      172
#define BEAGLE_GPIO_ID3      173

/* Beagle board support */
struct beagle_s {
    struct omap_mpu_state_s *cpu;

    DeviceState *nand;
    void *twl4030;
    DeviceState *smc;
    DeviceState *ddc;
};

static void beagle_common_init(ram_addr_t ram_size,
                        const char *boot_device,
                        const char *kernel_filename,
                        const char *kernel_cmdline,
                        const char *initrd_filename,
                        int cpu_model)
{
    MemoryRegion *sysmem = get_system_memory();
    struct beagle_s *s = (struct beagle_s *) g_malloc0(sizeof(*s));
    DriveInfo *dmtd = drive_get(IF_MTD, 0, 0);
    DriveInfo *dsd  = drive_get(IF_SD, 0, 0);

    if (!dmtd && !dsd) {
        hw_error("%s: SD or NAND image required", __FUNCTION__);
    }
#if MAX_SERIAL_PORTS < 1
#error MAX_SERIAL_PORTS must be at least 1!
#endif
    s->cpu = omap3_mpu_init(sysmem, cpu_model, ram_size,
                            NULL, NULL, serial_hds[0], NULL);

    s->nand = nand_init(dmtd ? dmtd->bdrv : NULL, NAND_MFR_MICRON, 0xba);
    nand_setpins(s->nand, 0, 0, 0, 1, 0); /* no write-protect */
    omap_gpmc_attach_nand(s->cpu->gpmc, BEAGLE_NAND_CS, s->nand);

    if (dsd) {
        omap3_mmc_attach(s->cpu->omap3_mmc[0], dsd->bdrv, 0, 0);
    }

    s->twl4030 = twl4030_init(omap_i2c_bus(s->cpu->i2c[0]),
                              qdev_get_gpio_in(s->cpu->ih[0],
                                               OMAP_INT_3XXX_SYS_NIRQ),
                              NULL, NULL);
    if (cpu_model == omap3430) {
        qemu_set_irq(qdev_get_gpio_in(s->cpu->gpio, BEAGLE_GPIO_ID1),1);
        qemu_set_irq(qdev_get_gpio_in(s->cpu->gpio, BEAGLE_GPIO_ID3),1);
    }

    /* Wire up an I2C slave which returns EDID monitor information;
     * newer Linux kernels won't turn on the display unless they
     * detect a monitor over DDC.
     */
    s->ddc = i2c_create_slave(omap_i2c_bus(s->cpu->i2c[2]), "i2c-ddc", 0x50);

    omap_lcd_panel_attach(s->cpu->dss);
}

static void beagle_xm_init(ram_addr_t ram_size,
                        const char *boot_device,
                        const char *kernel_filename,
                        const char *kernel_cmdline,
                        const char *initrd_filename,
                        const char *cpu_model)
{
    beagle_common_init(BEAGLE_XM_SDRAM_SIZE, boot_device, kernel_filename,
                       kernel_cmdline, initrd_filename, omap3630);
}
static void beagle_init(ram_addr_t ram_size,
                        const char *boot_device,
                        const char *kernel_filename,
                        const char *kernel_cmdline,
                        const char *initrd_filename,
                        const char *cpu_model)
{
    beagle_common_init(BEAGLE_SDRAM_SIZE, boot_device, kernel_filename,
                       kernel_cmdline, initrd_filename, omap3430);
}

QEMUMachine beagle_machine = {
    .name =        "beagle",
    .desc =        "Beagle board (OMAP3530)",
    .init =        beagle_init,
};

QEMUMachine beagle_xm_machine = {
    .name =        "beaglexm",
    .desc =        "Beagle board XM (OMAP3630)",
    .init =        beagle_xm_init,
};


static void beagle_machine_init(void)
{
    qemu_register_machine(&beagle_machine);
    qemu_register_machine(&beagle_xm_machine);
}

machine_init(beagle_machine_init);