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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
/* 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"
#include "i2c.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_TC6393XB_INT (15)
#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)
#define DAC_BASE 0x4e
#define DAC_CH1 0
#define DAC_CH2 1
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 uint32_t tosa_ssp_read(void *opaque)
{
return 0;
}
static void tosa_ssp_write(void *opaque, uint32_t value)
{
fprintf(stderr, "TG: %d %02x\n", value >> 5, value & 0x1f);
}
struct tosa_dac_i2c {
i2c_slave i2c;
int len;
char buf[3];
};
static int tosa_dac_send(i2c_slave *i2c, uint8_t data)
{
struct tosa_dac_i2c *s = (struct tosa_dac_i2c *)i2c;
s->buf[s->len] = data;
if (s->len ++ > 2) {
#ifdef VERBOSE
fprintf(stderr, "%s: message too long (%i bytes)\n", __FUNCTION__, s->len);
#endif
return 1;
}
if (s->len == 2) {
fprintf(stderr, "dac: channel %d value 0x%02x\n",
s->buf[0], s->buf[1]);
}
return 0;
}
static void tosa_dac_event(i2c_slave *i2c, enum i2c_event event)
{
struct tosa_dac_i2c *s = (struct tosa_dac_i2c *)i2c;
s->len = 0;
switch (event) {
case I2C_START_SEND:
break;
case I2C_START_RECV:
printf("%s: recv not supported!!!\n", __FUNCTION__);
break;
case I2C_FINISH:
#ifdef VERBOSE
if (s->len < 2)
printf("%s: message too short (%i bytes)\n", __FUNCTION__, s->len);
if (s->len > 2)
printf("%s: message too long\n", __FUNCTION__);
#endif
break;
default:
break;
}
}
int tosa_dac_recv(i2c_slave *s)
{
printf("%s: recv not supported!!!\n", __FUNCTION__);
return -1;
}
static void tosa_tg_init(struct pxa2xx_state_s *cpu)
{
struct i2c_bus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
struct i2c_slave *dac = i2c_slave_init(bus, 0, sizeof(struct tosa_dac_i2c));
dac->send = tosa_dac_send;
dac->event = tosa_dac_event;
dac->recv = tosa_dac_recv;
i2c_set_slave_address(dac, DAC_BASE);
pxa2xx_ssp_attach(cpu->ssp[1], tosa_ssp_read,
tosa_ssp_write, cpu);
}
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, NULL);
cpu_register_physical_memory(0, TOSA_ROM,
qemu_ram_alloc(TOSA_ROM) | IO_MEM_ROM);
tc6393xb_init(0x10000000, pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_TC6393XB_INT]);
scp0 = scoop_init(cpu, 0, 0x08800000);
scp1 = scoop_init(cpu, 1, 0x14800040);
tosa_gpio_setup(cpu, scp0, scp1);
tosa_microdrive_attach(cpu);
tosa_tg_init(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,
};
|
