summaryrefslogtreecommitdiff
path: root/hw/tosa.c
blob: e629044aa92d6d3560aa0d3e8d8f24ae3844e166 (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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/* vim:set shiftwidth=4 ts=4 et: */
/*
 * PXA255 Sharp Zaurus SL-6000 PDA platform
 *
 * Copyright (c) 2008 Dmitry Baryshkov
 *
 * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
 * This code is licensed under the GNU GPL v2.
 */

#include "hw.h"
#include "pxa.h"
#include "arm-misc.h"
#include "sysemu.h"
#include "devices.h"
#include "sharpsl.h"
#include "pcmcia.h"
#include "block.h"
#include "boards.h"

#define TOSA_RAM    0x04000000
#define TOSA_ROM	0x00800000

#define TOSA_GPIO_nSD_DETECT	(9)
#define TOSA_GPIO_ON_RESET		(19)
#define TOSA_GPIO_CF_IRQ		(21)	/* CF slot0 Ready */
#define TOSA_GPIO_CF_CD			(13)
#define TOSA_GPIO_JC_CF_IRQ		(36)	/* CF slot1 Ready */

#define TOSA_SCOOP_GPIO_BASE	1
#define TOSA_GPIO_IR_POWERDWN	(TOSA_SCOOP_GPIO_BASE + 2)
#define TOSA_GPIO_SD_WP			(TOSA_SCOOP_GPIO_BASE + 3)
#define TOSA_GPIO_PWR_ON		(TOSA_SCOOP_GPIO_BASE + 4)

#define TOSA_SCOOP_JC_GPIO_BASE		1
#define TOSA_GPIO_BT_LED		(TOSA_SCOOP_JC_GPIO_BASE + 0)
#define TOSA_GPIO_NOTE_LED		(TOSA_SCOOP_JC_GPIO_BASE + 1)
#define TOSA_GPIO_CHRG_ERR_LED		(TOSA_SCOOP_JC_GPIO_BASE + 2)
#define TOSA_GPIO_WLAN_LED		(TOSA_SCOOP_JC_GPIO_BASE + 7)

static void tosa_microdrive_attach(struct pxa2xx_state_s *cpu)
{
    struct pcmcia_card_s *md;
    int index;
    BlockDriverState *bs;

    index = drive_get_index(IF_IDE, 0, 0);
    if (index == -1)
        return;
    bs = drives_table[index].bdrv;
    if (bdrv_is_inserted(bs) && !bdrv_is_removable(bs)) {
        md = dscm1xxxx_init(bs);
        pxa2xx_pcmcia_attach(cpu->pcmcia[0], md);
    }
}

static void tosa_out_switch(void *opaque, int line, int level)
{
    switch (line) {
        case 0:
            fprintf(stderr, "blue LED %s.\n", level ? "on" : "off");
            break;
        case 1:
            fprintf(stderr, "green LED %s.\n", level ? "on" : "off");
            break;
        case 2:
            fprintf(stderr, "amber LED %s.\n", level ? "on" : "off");
            break;
        case 3:
            fprintf(stderr, "wlan LED %s.\n", level ? "on" : "off");
            break;
        default:
            fprintf(stderr, "Uhandled out event: %d = %d\n", line, level);
            break;
    }
}


static void tosa_gpio_setup(struct pxa2xx_state_s *cpu,
                struct scoop_info_s *scp0,
                struct scoop_info_s *scp1)
{
    qemu_irq *outsignals = qemu_allocate_irqs(tosa_out_switch, cpu, 4);
    /* MMC/SD host */
    pxa2xx_mmci_handlers(cpu->mmc,
                    scoop_gpio_in_get(scp0)[TOSA_GPIO_SD_WP],
                    qemu_irq_invert(pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_nSD_DETECT]));

    /* Handle reset */
    pxa2xx_gpio_out_set(cpu->gpio, TOSA_GPIO_ON_RESET, cpu->reset);

    /* PCMCIA signals: card's IRQ and Card-Detect */
    pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
                        pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_IRQ],
                        pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_CD]);

    pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
                        pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_JC_CF_IRQ],
                        NULL);

    scoop_gpio_out_set(scp1, TOSA_GPIO_BT_LED, outsignals[0]);
    scoop_gpio_out_set(scp1, TOSA_GPIO_NOTE_LED, outsignals[1]);
    scoop_gpio_out_set(scp1, TOSA_GPIO_CHRG_ERR_LED, outsignals[2]);
    scoop_gpio_out_set(scp1, TOSA_GPIO_WLAN_LED, outsignals[3]);
}

static struct arm_boot_info tosa_binfo = {
    .loader_start = PXA2XX_SDRAM_BASE,
    .ram_size = 0x04000000,
};

static void tosa_init(ram_addr_t ram_size, int vga_ram_size,
                const char *boot_device, DisplayState *ds,
                const char *kernel_filename, const char *kernel_cmdline,
                const char *initrd_filename, const char *cpu_model)
{
    struct pxa2xx_state_s *cpu;
    struct scoop_info_s *scp0, *scp1;

    if (ram_size < (TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE)) {
        fprintf(stderr, "This platform requires %i bytes of memory\n",
                TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE);
        exit(1);
    }

    if (!cpu_model)
        cpu_model = "pxa255";

    cpu = pxa255_init(tosa_binfo.ram_size, ds);

    cpu_register_physical_memory(0, TOSA_ROM,
                    qemu_ram_alloc(TOSA_ROM) | IO_MEM_ROM);

    tc6393xb_init(0x10000000, NULL);

    scp0 = scoop_init(cpu, 0, 0x08800000);
    scp1 = scoop_init(cpu, 1, 0x14800040);

    tosa_gpio_setup(cpu, scp0, scp1);

    tosa_microdrive_attach(cpu);

    /* Setup initial (reset) machine state */
    cpu->env->regs[15] = tosa_binfo.loader_start;

    tosa_binfo.kernel_filename = kernel_filename;
    tosa_binfo.kernel_cmdline = kernel_cmdline;
    tosa_binfo.initrd_filename = initrd_filename;
    tosa_binfo.board_id = 0x208;
    arm_load_kernel(cpu->env, &tosa_binfo);
    sl_bootparam_write(SL_PXA_PARAM_BASE - PXA2XX_SDRAM_BASE);
}

QEMUMachine tosapda_machine = {
    .name = "tosa",
    .desc = "Tosa PDA (PXA255)",
    .init = tosa_init,
    .ram_require = TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE + RAMSIZE_FIXED,
};