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 | * Contributions after 2012-01-13 are licensed under the terms of the |
11 | * GNU GPL, version 2 or (at your option) any later version. |
12 | */ |
13 | |
14 | #include "qemu/osdep.h" |
15 | #include "qapi/error.h" |
16 | #include "sysemu/runstate.h" |
17 | #include "hw/arm/pxa.h" |
18 | #include "hw/arm/boot.h" |
19 | #include "hw/arm/sharpsl.h" |
20 | #include "hw/pcmcia.h" |
21 | #include "hw/boards.h" |
22 | #include "hw/display/tc6393xb.h" |
23 | #include "hw/i2c/i2c.h" |
24 | #include "hw/irq.h" |
25 | #include "hw/ssi/ssi.h" |
26 | #include "hw/sysbus.h" |
27 | #include "exec/address-spaces.h" |
28 | |
29 | #define TOSA_RAM 0x04000000 |
30 | #define TOSA_ROM 0x00800000 |
31 | |
32 | #define TOSA_GPIO_USB_IN (5) |
33 | #define TOSA_GPIO_nSD_DETECT (9) |
34 | #define TOSA_GPIO_ON_RESET (19) |
35 | #define TOSA_GPIO_CF_IRQ (21) /* CF slot0 Ready */ |
36 | #define TOSA_GPIO_CF_CD (13) |
37 | #define TOSA_GPIO_TC6393XB_INT (15) |
38 | #define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */ |
39 | |
40 | #define TOSA_SCOOP_GPIO_BASE 1 |
41 | #define TOSA_GPIO_IR_POWERDWN (TOSA_SCOOP_GPIO_BASE + 2) |
42 | #define TOSA_GPIO_SD_WP (TOSA_SCOOP_GPIO_BASE + 3) |
43 | #define TOSA_GPIO_PWR_ON (TOSA_SCOOP_GPIO_BASE + 4) |
44 | |
45 | #define TOSA_SCOOP_JC_GPIO_BASE 1 |
46 | #define TOSA_GPIO_BT_LED (TOSA_SCOOP_JC_GPIO_BASE + 0) |
47 | #define TOSA_GPIO_NOTE_LED (TOSA_SCOOP_JC_GPIO_BASE + 1) |
48 | #define TOSA_GPIO_CHRG_ERR_LED (TOSA_SCOOP_JC_GPIO_BASE + 2) |
49 | #define TOSA_GPIO_TC6393XB_L3V_ON (TOSA_SCOOP_JC_GPIO_BASE + 5) |
50 | #define TOSA_GPIO_WLAN_LED (TOSA_SCOOP_JC_GPIO_BASE + 7) |
51 | |
52 | #define DAC_BASE 0x4e |
53 | #define DAC_CH1 0 |
54 | #define DAC_CH2 1 |
55 | |
56 | static void tosa_microdrive_attach(PXA2xxState *cpu) |
57 | { |
58 | PCMCIACardState *md; |
59 | DriveInfo *dinfo; |
60 | |
61 | dinfo = drive_get(IF_IDE, 0, 0); |
62 | if (!dinfo || dinfo->media_cd) |
63 | return; |
64 | md = dscm1xxxx_init(dinfo); |
65 | pxa2xx_pcmcia_attach(cpu->pcmcia[0], md); |
66 | } |
67 | |
68 | static void tosa_out_switch(void *opaque, int line, int level) |
69 | { |
70 | switch (line) { |
71 | case 0: |
72 | fprintf(stderr, "blue LED %s.\n" , level ? "on" : "off" ); |
73 | break; |
74 | case 1: |
75 | fprintf(stderr, "green LED %s.\n" , level ? "on" : "off" ); |
76 | break; |
77 | case 2: |
78 | fprintf(stderr, "amber LED %s.\n" , level ? "on" : "off" ); |
79 | break; |
80 | case 3: |
81 | fprintf(stderr, "wlan LED %s.\n" , level ? "on" : "off" ); |
82 | break; |
83 | default: |
84 | fprintf(stderr, "Uhandled out event: %d = %d\n" , line, level); |
85 | break; |
86 | } |
87 | } |
88 | |
89 | static void tosa_reset(void *opaque, int line, int level) |
90 | { |
91 | if (level) { |
92 | qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); |
93 | } |
94 | } |
95 | |
96 | static void tosa_gpio_setup(PXA2xxState *cpu, |
97 | DeviceState *scp0, |
98 | DeviceState *scp1, |
99 | TC6393xbState *tmio) |
100 | { |
101 | qemu_irq *outsignals = qemu_allocate_irqs(tosa_out_switch, cpu, 4); |
102 | qemu_irq reset; |
103 | |
104 | /* MMC/SD host */ |
105 | pxa2xx_mmci_handlers(cpu->mmc, |
106 | qdev_get_gpio_in(scp0, TOSA_GPIO_SD_WP), |
107 | qemu_irq_invert(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_nSD_DETECT))); |
108 | |
109 | /* Handle reset */ |
110 | reset = qemu_allocate_irq(tosa_reset, cpu, 0); |
111 | qdev_connect_gpio_out(cpu->gpio, TOSA_GPIO_ON_RESET, reset); |
112 | |
113 | /* PCMCIA signals: card's IRQ and Card-Detect */ |
114 | pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0], |
115 | qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_IRQ), |
116 | qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_CD)); |
117 | |
118 | pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1], |
119 | qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_JC_CF_IRQ), |
120 | NULL); |
121 | |
122 | qdev_connect_gpio_out(scp1, TOSA_GPIO_BT_LED, outsignals[0]); |
123 | qdev_connect_gpio_out(scp1, TOSA_GPIO_NOTE_LED, outsignals[1]); |
124 | qdev_connect_gpio_out(scp1, TOSA_GPIO_CHRG_ERR_LED, outsignals[2]); |
125 | qdev_connect_gpio_out(scp1, TOSA_GPIO_WLAN_LED, outsignals[3]); |
126 | |
127 | qdev_connect_gpio_out(scp1, TOSA_GPIO_TC6393XB_L3V_ON, tc6393xb_l3v_get(tmio)); |
128 | |
129 | /* UDC Vbus */ |
130 | qemu_irq_raise(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_USB_IN)); |
131 | } |
132 | |
133 | static uint32_t tosa_ssp_tansfer(SSISlave *dev, uint32_t value) |
134 | { |
135 | fprintf(stderr, "TG: %d %02x\n" , value >> 5, value & 0x1f); |
136 | return 0; |
137 | } |
138 | |
139 | static void tosa_ssp_realize(SSISlave *dev, Error **errp) |
140 | { |
141 | /* Nothing to do. */ |
142 | } |
143 | |
144 | #define TYPE_TOSA_DAC "tosa_dac" |
145 | #define TOSA_DAC(obj) OBJECT_CHECK(TosaDACState, (obj), TYPE_TOSA_DAC) |
146 | |
147 | typedef struct { |
148 | I2CSlave parent_obj; |
149 | |
150 | int len; |
151 | char buf[3]; |
152 | } TosaDACState; |
153 | |
154 | static int tosa_dac_send(I2CSlave *i2c, uint8_t data) |
155 | { |
156 | TosaDACState *s = TOSA_DAC(i2c); |
157 | |
158 | s->buf[s->len] = data; |
159 | if (s->len ++ > 2) { |
160 | #ifdef VERBOSE |
161 | fprintf(stderr, "%s: message too long (%i bytes)\n" , __func__, s->len); |
162 | #endif |
163 | return 1; |
164 | } |
165 | |
166 | if (s->len == 2) { |
167 | fprintf(stderr, "dac: channel %d value 0x%02x\n" , |
168 | s->buf[0], s->buf[1]); |
169 | } |
170 | |
171 | return 0; |
172 | } |
173 | |
174 | static int tosa_dac_event(I2CSlave *i2c, enum i2c_event event) |
175 | { |
176 | TosaDACState *s = TOSA_DAC(i2c); |
177 | |
178 | s->len = 0; |
179 | switch (event) { |
180 | case I2C_START_SEND: |
181 | break; |
182 | case I2C_START_RECV: |
183 | printf("%s: recv not supported!!!\n" , __func__); |
184 | break; |
185 | case I2C_FINISH: |
186 | #ifdef VERBOSE |
187 | if (s->len < 2) |
188 | printf("%s: message too short (%i bytes)\n" , __func__, s->len); |
189 | if (s->len > 2) |
190 | printf("%s: message too long\n" , __func__); |
191 | #endif |
192 | break; |
193 | default: |
194 | break; |
195 | } |
196 | |
197 | return 0; |
198 | } |
199 | |
200 | static uint8_t tosa_dac_recv(I2CSlave *s) |
201 | { |
202 | printf("%s: recv not supported!!!\n" , __func__); |
203 | return 0xff; |
204 | } |
205 | |
206 | static void tosa_tg_init(PXA2xxState *cpu) |
207 | { |
208 | I2CBus *bus = pxa2xx_i2c_bus(cpu->i2c[0]); |
209 | i2c_create_slave(bus, TYPE_TOSA_DAC, DAC_BASE); |
210 | ssi_create_slave(cpu->ssp[1], "tosa-ssp" ); |
211 | } |
212 | |
213 | |
214 | static struct arm_boot_info tosa_binfo = { |
215 | .loader_start = PXA2XX_SDRAM_BASE, |
216 | .ram_size = 0x04000000, |
217 | }; |
218 | |
219 | static void tosa_init(MachineState *machine) |
220 | { |
221 | MemoryRegion *address_space_mem = get_system_memory(); |
222 | MemoryRegion *rom = g_new(MemoryRegion, 1); |
223 | PXA2xxState *mpu; |
224 | TC6393xbState *tmio; |
225 | DeviceState *scp0, *scp1; |
226 | |
227 | mpu = pxa255_init(address_space_mem, tosa_binfo.ram_size); |
228 | |
229 | memory_region_init_ram(rom, NULL, "tosa.rom" , TOSA_ROM, &error_fatal); |
230 | memory_region_set_readonly(rom, true); |
231 | memory_region_add_subregion(address_space_mem, 0, rom); |
232 | |
233 | tmio = tc6393xb_init(address_space_mem, 0x10000000, |
234 | qdev_get_gpio_in(mpu->gpio, TOSA_GPIO_TC6393XB_INT)); |
235 | |
236 | scp0 = sysbus_create_simple("scoop" , 0x08800000, NULL); |
237 | scp1 = sysbus_create_simple("scoop" , 0x14800040, NULL); |
238 | |
239 | tosa_gpio_setup(mpu, scp0, scp1, tmio); |
240 | |
241 | tosa_microdrive_attach(mpu); |
242 | |
243 | tosa_tg_init(mpu); |
244 | |
245 | tosa_binfo.board_id = 0x208; |
246 | arm_load_kernel(mpu->cpu, machine, &tosa_binfo); |
247 | sl_bootparam_write(SL_PXA_PARAM_BASE); |
248 | } |
249 | |
250 | static void tosapda_machine_init(MachineClass *mc) |
251 | { |
252 | mc->desc = "Sharp SL-6000 (Tosa) PDA (PXA255)" ; |
253 | mc->init = tosa_init; |
254 | mc->block_default_type = IF_IDE; |
255 | mc->ignore_memory_transaction_failures = true; |
256 | } |
257 | |
258 | DEFINE_MACHINE("tosa" , tosapda_machine_init) |
259 | |
260 | static void tosa_dac_class_init(ObjectClass *klass, void *data) |
261 | { |
262 | I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); |
263 | |
264 | k->event = tosa_dac_event; |
265 | k->recv = tosa_dac_recv; |
266 | k->send = tosa_dac_send; |
267 | } |
268 | |
269 | static const TypeInfo tosa_dac_info = { |
270 | .name = TYPE_TOSA_DAC, |
271 | .parent = TYPE_I2C_SLAVE, |
272 | .instance_size = sizeof(TosaDACState), |
273 | .class_init = tosa_dac_class_init, |
274 | }; |
275 | |
276 | static void tosa_ssp_class_init(ObjectClass *klass, void *data) |
277 | { |
278 | SSISlaveClass *k = SSI_SLAVE_CLASS(klass); |
279 | |
280 | k->realize = tosa_ssp_realize; |
281 | k->transfer = tosa_ssp_tansfer; |
282 | } |
283 | |
284 | static const TypeInfo tosa_ssp_info = { |
285 | .name = "tosa-ssp" , |
286 | .parent = TYPE_SSI_SLAVE, |
287 | .instance_size = sizeof(SSISlave), |
288 | .class_init = tosa_ssp_class_init, |
289 | }; |
290 | |
291 | static void tosa_register_types(void) |
292 | { |
293 | type_register_static(&tosa_dac_info); |
294 | type_register_static(&tosa_ssp_info); |
295 | } |
296 | |
297 | type_init(tosa_register_types) |
298 | |