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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.
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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.
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12 */
13
12b16722 14#include "qemu/osdep.h"
da34e65c 15#include "qapi/error.h"
83c9f4ca 16#include "hw/hw.h"
0d09e41a 17#include "hw/arm/pxa.h"
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18#include "hw/arm/arm.h"
19#include "hw/devices.h"
0d09e41a 20#include "hw/arm/sharpsl.h"
83c9f4ca 21#include "hw/pcmcia.h"
83c9f4ca 22#include "hw/boards.h"
0d09e41a 23#include "hw/i2c/i2c.h"
8fd06719 24#include "hw/ssi/ssi.h"
4be74634 25#include "sysemu/block-backend.h"
83c9f4ca 26#include "hw/sysbus.h"
022c62cb 27#include "exec/address-spaces.h"
d26a10e2 28#include "sysemu/sysemu.h"
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29
30#define TOSA_RAM 0x04000000
31#define TOSA_ROM 0x00800000
32
2e4b4e79 33#define TOSA_GPIO_USB_IN (5)
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34#define TOSA_GPIO_nSD_DETECT (9)
35#define TOSA_GPIO_ON_RESET (19)
36#define TOSA_GPIO_CF_IRQ (21) /* CF slot0 Ready */
37#define TOSA_GPIO_CF_CD (13)
5d98751b 38#define TOSA_GPIO_TC6393XB_INT (15)
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39#define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */
40
6bc1d858 41#define TOSA_SCOOP_GPIO_BASE 1
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42#define TOSA_GPIO_IR_POWERDWN (TOSA_SCOOP_GPIO_BASE + 2)
43#define TOSA_GPIO_SD_WP (TOSA_SCOOP_GPIO_BASE + 3)
44#define TOSA_GPIO_PWR_ON (TOSA_SCOOP_GPIO_BASE + 4)
45
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46#define TOSA_SCOOP_JC_GPIO_BASE 1
47#define TOSA_GPIO_BT_LED (TOSA_SCOOP_JC_GPIO_BASE + 0)
48#define TOSA_GPIO_NOTE_LED (TOSA_SCOOP_JC_GPIO_BASE + 1)
49#define TOSA_GPIO_CHRG_ERR_LED (TOSA_SCOOP_JC_GPIO_BASE + 2)
64b40bc5 50#define TOSA_GPIO_TC6393XB_L3V_ON (TOSA_SCOOP_JC_GPIO_BASE + 5)
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51#define TOSA_GPIO_WLAN_LED (TOSA_SCOOP_JC_GPIO_BASE + 7)
52
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53#define DAC_BASE 0x4e
54#define DAC_CH1 0
55#define DAC_CH2 1
56
bc24a225 57static void tosa_microdrive_attach(PXA2xxState *cpu)
89cdb6af 58{
bc24a225 59 PCMCIACardState *md;
751c6a17 60 DriveInfo *dinfo;
89cdb6af 61
751c6a17 62 dinfo = drive_get(IF_IDE, 0, 0);
124386cc 63 if (!dinfo || dinfo->media_cd)
89cdb6af 64 return;
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65 md = dscm1xxxx_init(dinfo);
66 pxa2xx_pcmcia_attach(cpu->pcmcia[0], md);
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67}
68
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69static void tosa_out_switch(void *opaque, int line, int level)
70{
71 switch (line) {
72 case 0:
73 fprintf(stderr, "blue LED %s.\n", level ? "on" : "off");
74 break;
75 case 1:
76 fprintf(stderr, "green LED %s.\n", level ? "on" : "off");
77 break;
78 case 2:
79 fprintf(stderr, "amber LED %s.\n", level ? "on" : "off");
80 break;
81 case 3:
82 fprintf(stderr, "wlan LED %s.\n", level ? "on" : "off");
83 break;
84 default:
85 fprintf(stderr, "Uhandled out event: %d = %d\n", line, level);
86 break;
87 }
88}
89
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90static void tosa_reset(void *opaque, int line, int level)
91{
92 if (level) {
93 qemu_system_reset_request();
94 }
95}
6bc1d858 96
bc24a225 97static void tosa_gpio_setup(PXA2xxState *cpu,
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98 DeviceState *scp0,
99 DeviceState *scp1,
bc24a225 100 TC6393xbState *tmio)
89cdb6af 101{
6bc1d858 102 qemu_irq *outsignals = qemu_allocate_irqs(tosa_out_switch, cpu, 4);
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103 qemu_irq reset;
104
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105 /* MMC/SD host */
106 pxa2xx_mmci_handlers(cpu->mmc,
383d01c6 107 qdev_get_gpio_in(scp0, TOSA_GPIO_SD_WP),
0bb53337 108 qemu_irq_invert(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_nSD_DETECT)));
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109
110 /* Handle reset */
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111 reset = qemu_allocate_irq(tosa_reset, cpu, 0);
112 qdev_connect_gpio_out(cpu->gpio, TOSA_GPIO_ON_RESET, reset);
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113
114 /* PCMCIA signals: card's IRQ and Card-Detect */
115 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
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116 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_IRQ),
117 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_CD));
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118
119 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
0bb53337 120 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_JC_CF_IRQ),
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121 NULL);
122
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123 qdev_connect_gpio_out(scp1, TOSA_GPIO_BT_LED, outsignals[0]);
124 qdev_connect_gpio_out(scp1, TOSA_GPIO_NOTE_LED, outsignals[1]);
125 qdev_connect_gpio_out(scp1, TOSA_GPIO_CHRG_ERR_LED, outsignals[2]);
126 qdev_connect_gpio_out(scp1, TOSA_GPIO_WLAN_LED, outsignals[3]);
64b40bc5 127
383d01c6 128 qdev_connect_gpio_out(scp1, TOSA_GPIO_TC6393XB_L3V_ON, tc6393xb_l3v_get(tmio));
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129
130 /* UDC Vbus */
131 qemu_irq_raise(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_USB_IN));
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132}
133
a984a69e 134static uint32_t tosa_ssp_tansfer(SSISlave *dev, uint32_t value)
4ea29f74 135{
a984a69e 136 fprintf(stderr, "TG: %d %02x\n", value >> 5, value & 0x1f);
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137 return 0;
138}
139
7673bb4c 140static void tosa_ssp_realize(SSISlave *dev, Error **errp)
4ea29f74 141{
a984a69e 142 /* Nothing to do. */
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143}
144
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145#define TYPE_TOSA_DAC "tosa_dac"
146#define TOSA_DAC(obj) OBJECT_CHECK(TosaDACState, (obj), TYPE_TOSA_DAC)
147
d3151521 148typedef struct {
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149 I2CSlave parent_obj;
150
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151 int len;
152 char buf[3];
d3151521 153} TosaDACState;
4ea29f74 154
9e07bdf8 155static int tosa_dac_send(I2CSlave *i2c, uint8_t data)
4ea29f74 156{
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157 TosaDACState *s = TOSA_DAC(i2c);
158
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159 s->buf[s->len] = data;
160 if (s->len ++ > 2) {
161#ifdef VERBOSE
162 fprintf(stderr, "%s: message too long (%i bytes)\n", __FUNCTION__, s->len);
163#endif
164 return 1;
165 }
166
167 if (s->len == 2) {
168 fprintf(stderr, "dac: channel %d value 0x%02x\n",
169 s->buf[0], s->buf[1]);
170 }
171
172 return 0;
173}
174
d307c28c 175static int tosa_dac_event(I2CSlave *i2c, enum i2c_event event)
4ea29f74 176{
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177 TosaDACState *s = TOSA_DAC(i2c);
178
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179 s->len = 0;
180 switch (event) {
181 case I2C_START_SEND:
182 break;
183 case I2C_START_RECV:
184 printf("%s: recv not supported!!!\n", __FUNCTION__);
185 break;
186 case I2C_FINISH:
187#ifdef VERBOSE
188 if (s->len < 2)
189 printf("%s: message too short (%i bytes)\n", __FUNCTION__, s->len);
190 if (s->len > 2)
191 printf("%s: message too long\n", __FUNCTION__);
192#endif
193 break;
194 default:
195 break;
196 }
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197
198 return 0;
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199}
200
9e07bdf8 201static int tosa_dac_recv(I2CSlave *s)
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202{
203 printf("%s: recv not supported!!!\n", __FUNCTION__);
204 return -1;
205}
206
bc24a225 207static void tosa_tg_init(PXA2xxState *cpu)
4ea29f74 208{
a5c82852 209 I2CBus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
70b51690 210 i2c_create_slave(bus, TYPE_TOSA_DAC, DAC_BASE);
a984a69e 211 ssi_create_slave(cpu->ssp[1], "tosa-ssp");
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212}
213
214
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215static struct arm_boot_info tosa_binfo = {
216 .loader_start = PXA2XX_SDRAM_BASE,
217 .ram_size = 0x04000000,
218};
219
3ef96221 220static void tosa_init(MachineState *machine)
89cdb6af 221{
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222 const char *cpu_model = machine->cpu_model;
223 const char *kernel_filename = machine->kernel_filename;
224 const char *kernel_cmdline = machine->kernel_cmdline;
225 const char *initrd_filename = machine->initrd_filename;
a6dc4c2d 226 MemoryRegion *address_space_mem = get_system_memory();
04d66689 227 MemoryRegion *rom = g_new(MemoryRegion, 1);
8efa35e0 228 PXA2xxState *mpu;
bc24a225 229 TC6393xbState *tmio;
383d01c6 230 DeviceState *scp0, *scp1;
89cdb6af 231
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232 if (!cpu_model)
233 cpu_model = "pxa255";
234
8efa35e0 235 mpu = pxa255_init(address_space_mem, tosa_binfo.ram_size);
89cdb6af 236
f8ed85ac 237 memory_region_init_ram(rom, NULL, "tosa.rom", TOSA_ROM, &error_fatal);
c5705a77 238 vmstate_register_ram_global(rom);
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239 memory_region_set_readonly(rom, true);
240 memory_region_add_subregion(address_space_mem, 0, rom);
89cdb6af 241
fe06bd93 242 tmio = tc6393xb_init(address_space_mem, 0x10000000,
8efa35e0 243 qdev_get_gpio_in(mpu->gpio, TOSA_GPIO_TC6393XB_INT));
89cdb6af 244
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245 scp0 = sysbus_create_simple("scoop", 0x08800000, NULL);
246 scp1 = sysbus_create_simple("scoop", 0x14800040, NULL);
89cdb6af 247
8efa35e0 248 tosa_gpio_setup(mpu, scp0, scp1, tmio);
89cdb6af 249
8efa35e0 250 tosa_microdrive_attach(mpu);
89cdb6af 251
8efa35e0 252 tosa_tg_init(mpu);
4ea29f74 253
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254 tosa_binfo.kernel_filename = kernel_filename;
255 tosa_binfo.kernel_cmdline = kernel_cmdline;
256 tosa_binfo.initrd_filename = initrd_filename;
257 tosa_binfo.board_id = 0x208;
3aaa8dfa 258 arm_load_kernel(mpu->cpu, &tosa_binfo);
f78630ab 259 sl_bootparam_write(SL_PXA_PARAM_BASE);
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260}
261
e264d29d 262static void tosapda_machine_init(MachineClass *mc)
f80f9ec9 263{
ad1e8db8 264 mc->desc = "Sharp SL-6000 (Tosa) PDA (PXA255)";
e264d29d 265 mc->init = tosa_init;
2059839b 266 mc->block_default_type = IF_IDE;
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267}
268
e264d29d 269DEFINE_MACHINE("tosa", tosapda_machine_init)
f80f9ec9 270
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271static void tosa_dac_class_init(ObjectClass *klass, void *data)
272{
273 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
274
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275 k->event = tosa_dac_event;
276 k->recv = tosa_dac_recv;
277 k->send = tosa_dac_send;
278}
279
8c43a6f0 280static const TypeInfo tosa_dac_info = {
70b51690 281 .name = TYPE_TOSA_DAC,
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282 .parent = TYPE_I2C_SLAVE,
283 .instance_size = sizeof(TosaDACState),
284 .class_init = tosa_dac_class_init,
285};
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286
287static void tosa_ssp_class_init(ObjectClass *klass, void *data)
288{
289 SSISlaveClass *k = SSI_SLAVE_CLASS(klass);
290
7673bb4c 291 k->realize = tosa_ssp_realize;
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292 k->transfer = tosa_ssp_tansfer;
293}
fd1eb2ea 294
8c43a6f0 295static const TypeInfo tosa_ssp_info = {
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296 .name = "tosa-ssp",
297 .parent = TYPE_SSI_SLAVE,
298 .instance_size = sizeof(SSISlave),
299 .class_init = tosa_ssp_class_init,
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300};
301
83f7d43a 302static void tosa_register_types(void)
fd1eb2ea 303{
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304 type_register_static(&tosa_dac_info);
305 type_register_static(&tosa_ssp_info);
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306}
307
83f7d43a 308type_init(tosa_register_types)