root / hw / tosa.c @ 96cc1810
History | View | Annotate | Download (7.2 kB)
1 |
/* vim:set shiftwidth=4 ts=4 et: */
|
---|---|
2 |
/*
|
3 |
* PXA255 Sharp Zaurus SL-6000 PDA platform
|
4 |
*
|
5 |
* Copyright (c) 2008 Dmitry Baryshkov
|
6 |
*
|
7 |
* Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
|
8 |
* This code is licensed under the GNU GPL v2.
|
9 |
*/
|
10 |
|
11 |
#include "hw.h" |
12 |
#include "pxa.h" |
13 |
#include "arm-misc.h" |
14 |
#include "sysemu.h" |
15 |
#include "devices.h" |
16 |
#include "sharpsl.h" |
17 |
#include "pcmcia.h" |
18 |
#include "block.h" |
19 |
#include "boards.h" |
20 |
#include "i2c.h" |
21 |
#include "ssi.h" |
22 |
|
23 |
#define TOSA_RAM 0x04000000 |
24 |
#define TOSA_ROM 0x00800000 |
25 |
|
26 |
#define TOSA_GPIO_nSD_DETECT (9) |
27 |
#define TOSA_GPIO_ON_RESET (19) |
28 |
#define TOSA_GPIO_CF_IRQ (21) /* CF slot0 Ready */ |
29 |
#define TOSA_GPIO_CF_CD (13) |
30 |
#define TOSA_GPIO_TC6393XB_INT (15) |
31 |
#define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */ |
32 |
|
33 |
#define TOSA_SCOOP_GPIO_BASE 1 |
34 |
#define TOSA_GPIO_IR_POWERDWN (TOSA_SCOOP_GPIO_BASE + 2) |
35 |
#define TOSA_GPIO_SD_WP (TOSA_SCOOP_GPIO_BASE + 3) |
36 |
#define TOSA_GPIO_PWR_ON (TOSA_SCOOP_GPIO_BASE + 4) |
37 |
|
38 |
#define TOSA_SCOOP_JC_GPIO_BASE 1 |
39 |
#define TOSA_GPIO_BT_LED (TOSA_SCOOP_JC_GPIO_BASE + 0) |
40 |
#define TOSA_GPIO_NOTE_LED (TOSA_SCOOP_JC_GPIO_BASE + 1) |
41 |
#define TOSA_GPIO_CHRG_ERR_LED (TOSA_SCOOP_JC_GPIO_BASE + 2) |
42 |
#define TOSA_GPIO_TC6393XB_L3V_ON (TOSA_SCOOP_JC_GPIO_BASE + 5) |
43 |
#define TOSA_GPIO_WLAN_LED (TOSA_SCOOP_JC_GPIO_BASE + 7) |
44 |
|
45 |
#define DAC_BASE 0x4e |
46 |
#define DAC_CH1 0 |
47 |
#define DAC_CH2 1 |
48 |
|
49 |
static void tosa_microdrive_attach(PXA2xxState *cpu) |
50 |
{ |
51 |
PCMCIACardState *md; |
52 |
int index;
|
53 |
BlockDriverState *bs; |
54 |
|
55 |
index = drive_get_index(IF_IDE, 0, 0); |
56 |
if (index == -1) |
57 |
return;
|
58 |
bs = drives_table[index].bdrv; |
59 |
if (bdrv_is_inserted(bs) && !bdrv_is_removable(bs)) {
|
60 |
md = dscm1xxxx_init(bs); |
61 |
pxa2xx_pcmcia_attach(cpu->pcmcia[0], md);
|
62 |
} |
63 |
} |
64 |
|
65 |
static void tosa_out_switch(void *opaque, int line, int level) |
66 |
{ |
67 |
switch (line) {
|
68 |
case 0: |
69 |
fprintf(stderr, "blue LED %s.\n", level ? "on" : "off"); |
70 |
break;
|
71 |
case 1: |
72 |
fprintf(stderr, "green LED %s.\n", level ? "on" : "off"); |
73 |
break;
|
74 |
case 2: |
75 |
fprintf(stderr, "amber LED %s.\n", level ? "on" : "off"); |
76 |
break;
|
77 |
case 3: |
78 |
fprintf(stderr, "wlan LED %s.\n", level ? "on" : "off"); |
79 |
break;
|
80 |
default:
|
81 |
fprintf(stderr, "Uhandled out event: %d = %d\n", line, level);
|
82 |
break;
|
83 |
} |
84 |
} |
85 |
|
86 |
|
87 |
static void tosa_gpio_setup(PXA2xxState *cpu, |
88 |
ScoopInfo *scp0, |
89 |
ScoopInfo *scp1, |
90 |
TC6393xbState *tmio) |
91 |
{ |
92 |
qemu_irq *outsignals = qemu_allocate_irqs(tosa_out_switch, cpu, 4);
|
93 |
/* MMC/SD host */
|
94 |
pxa2xx_mmci_handlers(cpu->mmc, |
95 |
scoop_gpio_in_get(scp0)[TOSA_GPIO_SD_WP], |
96 |
qemu_irq_invert(pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_nSD_DETECT])); |
97 |
|
98 |
/* Handle reset */
|
99 |
pxa2xx_gpio_out_set(cpu->gpio, TOSA_GPIO_ON_RESET, cpu->reset); |
100 |
|
101 |
/* PCMCIA signals: card's IRQ and Card-Detect */
|
102 |
pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
|
103 |
pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_IRQ], |
104 |
pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_CD]); |
105 |
|
106 |
pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
|
107 |
pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_JC_CF_IRQ], |
108 |
NULL);
|
109 |
|
110 |
scoop_gpio_out_set(scp1, TOSA_GPIO_BT_LED, outsignals[0]);
|
111 |
scoop_gpio_out_set(scp1, TOSA_GPIO_NOTE_LED, outsignals[1]);
|
112 |
scoop_gpio_out_set(scp1, TOSA_GPIO_CHRG_ERR_LED, outsignals[2]);
|
113 |
scoop_gpio_out_set(scp1, TOSA_GPIO_WLAN_LED, outsignals[3]);
|
114 |
|
115 |
scoop_gpio_out_set(scp1, TOSA_GPIO_TC6393XB_L3V_ON, tc6393xb_l3v_get(tmio)); |
116 |
} |
117 |
|
118 |
static uint32_t tosa_ssp_tansfer(SSISlave *dev, uint32_t value)
|
119 |
{ |
120 |
fprintf(stderr, "TG: %d %02x\n", value >> 5, value & 0x1f); |
121 |
return 0; |
122 |
} |
123 |
|
124 |
static void tosa_ssp_init(SSISlave *dev) |
125 |
{ |
126 |
/* Nothing to do. */
|
127 |
} |
128 |
|
129 |
typedef struct { |
130 |
i2c_slave i2c; |
131 |
int len;
|
132 |
char buf[3]; |
133 |
} TosaDACState; |
134 |
|
135 |
static int tosa_dac_send(i2c_slave *i2c, uint8_t data) |
136 |
{ |
137 |
TosaDACState *s = FROM_I2C_SLAVE(TosaDACState, i2c); |
138 |
s->buf[s->len] = data; |
139 |
if (s->len ++ > 2) { |
140 |
#ifdef VERBOSE
|
141 |
fprintf(stderr, "%s: message too long (%i bytes)\n", __FUNCTION__, s->len);
|
142 |
#endif
|
143 |
return 1; |
144 |
} |
145 |
|
146 |
if (s->len == 2) { |
147 |
fprintf(stderr, "dac: channel %d value 0x%02x\n",
|
148 |
s->buf[0], s->buf[1]); |
149 |
} |
150 |
|
151 |
return 0; |
152 |
} |
153 |
|
154 |
static void tosa_dac_event(i2c_slave *i2c, enum i2c_event event) |
155 |
{ |
156 |
TosaDACState *s = FROM_I2C_SLAVE(TosaDACState, i2c); |
157 |
s->len = 0;
|
158 |
switch (event) {
|
159 |
case I2C_START_SEND:
|
160 |
break;
|
161 |
case I2C_START_RECV:
|
162 |
printf("%s: recv not supported!!!\n", __FUNCTION__);
|
163 |
break;
|
164 |
case I2C_FINISH:
|
165 |
#ifdef VERBOSE
|
166 |
if (s->len < 2) |
167 |
printf("%s: message too short (%i bytes)\n", __FUNCTION__, s->len);
|
168 |
if (s->len > 2) |
169 |
printf("%s: message too long\n", __FUNCTION__);
|
170 |
#endif
|
171 |
break;
|
172 |
default:
|
173 |
break;
|
174 |
} |
175 |
} |
176 |
|
177 |
static int tosa_dac_recv(i2c_slave *s) |
178 |
{ |
179 |
printf("%s: recv not supported!!!\n", __FUNCTION__);
|
180 |
return -1; |
181 |
} |
182 |
|
183 |
static void tosa_dac_init(i2c_slave *i2c) |
184 |
{ |
185 |
/* Nothing to do. */
|
186 |
} |
187 |
|
188 |
static void tosa_tg_init(PXA2xxState *cpu) |
189 |
{ |
190 |
i2c_bus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
|
191 |
i2c_create_slave(bus, "tosa_dac", DAC_BASE);
|
192 |
ssi_create_slave(cpu->ssp[1], "tosa-ssp"); |
193 |
} |
194 |
|
195 |
|
196 |
static struct arm_boot_info tosa_binfo = { |
197 |
.loader_start = PXA2XX_SDRAM_BASE, |
198 |
.ram_size = 0x04000000,
|
199 |
}; |
200 |
|
201 |
static void tosa_init(ram_addr_t ram_size, |
202 |
const char *boot_device, |
203 |
const char *kernel_filename, const char *kernel_cmdline, |
204 |
const char *initrd_filename, const char *cpu_model) |
205 |
{ |
206 |
PXA2xxState *cpu; |
207 |
TC6393xbState *tmio; |
208 |
ScoopInfo *scp0, *scp1; |
209 |
|
210 |
if (!cpu_model)
|
211 |
cpu_model = "pxa255";
|
212 |
|
213 |
cpu = pxa255_init(tosa_binfo.ram_size); |
214 |
|
215 |
cpu_register_physical_memory(0, TOSA_ROM,
|
216 |
qemu_ram_alloc(TOSA_ROM) | IO_MEM_ROM); |
217 |
|
218 |
tmio = tc6393xb_init(0x10000000,
|
219 |
pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_TC6393XB_INT]); |
220 |
|
221 |
scp0 = scoop_init(cpu, 0, 0x08800000); |
222 |
scp1 = scoop_init(cpu, 1, 0x14800040); |
223 |
|
224 |
tosa_gpio_setup(cpu, scp0, scp1, tmio); |
225 |
|
226 |
tosa_microdrive_attach(cpu); |
227 |
|
228 |
tosa_tg_init(cpu); |
229 |
|
230 |
/* Setup initial (reset) machine state */
|
231 |
cpu->env->regs[15] = tosa_binfo.loader_start;
|
232 |
|
233 |
tosa_binfo.kernel_filename = kernel_filename; |
234 |
tosa_binfo.kernel_cmdline = kernel_cmdline; |
235 |
tosa_binfo.initrd_filename = initrd_filename; |
236 |
tosa_binfo.board_id = 0x208;
|
237 |
arm_load_kernel(cpu->env, &tosa_binfo); |
238 |
sl_bootparam_write(SL_PXA_PARAM_BASE); |
239 |
} |
240 |
|
241 |
static QEMUMachine tosapda_machine = {
|
242 |
.name = "tosa",
|
243 |
.desc = "Tosa PDA (PXA255)",
|
244 |
.init = tosa_init, |
245 |
}; |
246 |
|
247 |
static void tosapda_machine_init(void) |
248 |
{ |
249 |
qemu_register_machine(&tosapda_machine); |
250 |
} |
251 |
|
252 |
machine_init(tosapda_machine_init); |
253 |
|
254 |
static I2CSlaveInfo tosa_dac_info = {
|
255 |
.qdev.name = "tosa_dac",
|
256 |
.qdev.size = sizeof(TosaDACState),
|
257 |
.init = tosa_dac_init, |
258 |
.event = tosa_dac_event, |
259 |
.recv = tosa_dac_recv, |
260 |
.send = tosa_dac_send |
261 |
}; |
262 |
|
263 |
static SSISlaveInfo tosa_ssp_info = {
|
264 |
.qdev.name = "tosa-ssp",
|
265 |
.qdev.size = sizeof(SSISlave),
|
266 |
.init = tosa_ssp_init, |
267 |
.transfer = tosa_ssp_tansfer |
268 |
}; |
269 |
|
270 |
static void tosa_register_devices(void) |
271 |
{ |
272 |
i2c_register_slave(&tosa_dac_info); |
273 |
ssi_register_slave(&tosa_ssp_info); |
274 |
} |
275 |
|
276 |
device_init(tosa_register_devices) |