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 "hw/hw.h" 17 #include "hw/arm/pxa.h" 18 #include "hw/arm/arm.h" 19 #include "hw/devices.h" 20 #include "hw/arm/sharpsl.h" 21 #include "hw/pcmcia.h" 22 #include "hw/boards.h" 23 #include "hw/i2c/i2c.h" 24 #include "hw/ssi/ssi.h" 25 #include "sysemu/block-backend.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 90 static void tosa_gpio_setup(PXA2xxState *cpu, 91 DeviceState *scp0, 92 DeviceState *scp1, 93 TC6393xbState *tmio) 94 { 95 qemu_irq *outsignals = qemu_allocate_irqs(tosa_out_switch, cpu, 4); 96 /* MMC/SD host */ 97 pxa2xx_mmci_handlers(cpu->mmc, 98 qdev_get_gpio_in(scp0, TOSA_GPIO_SD_WP), 99 qemu_irq_invert(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_nSD_DETECT))); 100 101 /* Handle reset */ 102 qdev_connect_gpio_out(cpu->gpio, TOSA_GPIO_ON_RESET, cpu->reset); 103 104 /* PCMCIA signals: card's IRQ and Card-Detect */ 105 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0], 106 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_IRQ), 107 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_CD)); 108 109 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1], 110 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_JC_CF_IRQ), 111 NULL); 112 113 qdev_connect_gpio_out(scp1, TOSA_GPIO_BT_LED, outsignals[0]); 114 qdev_connect_gpio_out(scp1, TOSA_GPIO_NOTE_LED, outsignals[1]); 115 qdev_connect_gpio_out(scp1, TOSA_GPIO_CHRG_ERR_LED, outsignals[2]); 116 qdev_connect_gpio_out(scp1, TOSA_GPIO_WLAN_LED, outsignals[3]); 117 118 qdev_connect_gpio_out(scp1, TOSA_GPIO_TC6393XB_L3V_ON, tc6393xb_l3v_get(tmio)); 119 120 /* UDC Vbus */ 121 qemu_irq_raise(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_USB_IN)); 122 } 123 124 static uint32_t tosa_ssp_tansfer(SSISlave *dev, uint32_t value) 125 { 126 fprintf(stderr, "TG: %d %02x\n", value >> 5, value & 0x1f); 127 return 0; 128 } 129 130 static void tosa_ssp_realize(SSISlave *dev, Error **errp) 131 { 132 /* Nothing to do. */ 133 } 134 135 #define TYPE_TOSA_DAC "tosa_dac" 136 #define TOSA_DAC(obj) OBJECT_CHECK(TosaDACState, (obj), TYPE_TOSA_DAC) 137 138 typedef struct { 139 I2CSlave parent_obj; 140 141 int len; 142 char buf[3]; 143 } TosaDACState; 144 145 static int tosa_dac_send(I2CSlave *i2c, uint8_t data) 146 { 147 TosaDACState *s = TOSA_DAC(i2c); 148 149 s->buf[s->len] = data; 150 if (s->len ++ > 2) { 151 #ifdef VERBOSE 152 fprintf(stderr, "%s: message too long (%i bytes)\n", __FUNCTION__, s->len); 153 #endif 154 return 1; 155 } 156 157 if (s->len == 2) { 158 fprintf(stderr, "dac: channel %d value 0x%02x\n", 159 s->buf[0], s->buf[1]); 160 } 161 162 return 0; 163 } 164 165 static void tosa_dac_event(I2CSlave *i2c, enum i2c_event event) 166 { 167 TosaDACState *s = TOSA_DAC(i2c); 168 169 s->len = 0; 170 switch (event) { 171 case I2C_START_SEND: 172 break; 173 case I2C_START_RECV: 174 printf("%s: recv not supported!!!\n", __FUNCTION__); 175 break; 176 case I2C_FINISH: 177 #ifdef VERBOSE 178 if (s->len < 2) 179 printf("%s: message too short (%i bytes)\n", __FUNCTION__, s->len); 180 if (s->len > 2) 181 printf("%s: message too long\n", __FUNCTION__); 182 #endif 183 break; 184 default: 185 break; 186 } 187 } 188 189 static int tosa_dac_recv(I2CSlave *s) 190 { 191 printf("%s: recv not supported!!!\n", __FUNCTION__); 192 return -1; 193 } 194 195 static int tosa_dac_init(I2CSlave *i2c) 196 { 197 /* Nothing to do. */ 198 return 0; 199 } 200 201 static void tosa_tg_init(PXA2xxState *cpu) 202 { 203 I2CBus *bus = pxa2xx_i2c_bus(cpu->i2c[0]); 204 i2c_create_slave(bus, TYPE_TOSA_DAC, DAC_BASE); 205 ssi_create_slave(cpu->ssp[1], "tosa-ssp"); 206 } 207 208 209 static struct arm_boot_info tosa_binfo = { 210 .loader_start = PXA2XX_SDRAM_BASE, 211 .ram_size = 0x04000000, 212 }; 213 214 static void tosa_init(MachineState *machine) 215 { 216 const char *cpu_model = machine->cpu_model; 217 const char *kernel_filename = machine->kernel_filename; 218 const char *kernel_cmdline = machine->kernel_cmdline; 219 const char *initrd_filename = machine->initrd_filename; 220 MemoryRegion *address_space_mem = get_system_memory(); 221 MemoryRegion *rom = g_new(MemoryRegion, 1); 222 PXA2xxState *mpu; 223 TC6393xbState *tmio; 224 DeviceState *scp0, *scp1; 225 226 if (!cpu_model) 227 cpu_model = "pxa255"; 228 229 mpu = pxa255_init(address_space_mem, tosa_binfo.ram_size); 230 231 memory_region_init_ram(rom, NULL, "tosa.rom", TOSA_ROM, &error_fatal); 232 vmstate_register_ram_global(rom); 233 memory_region_set_readonly(rom, true); 234 memory_region_add_subregion(address_space_mem, 0, rom); 235 236 tmio = tc6393xb_init(address_space_mem, 0x10000000, 237 qdev_get_gpio_in(mpu->gpio, TOSA_GPIO_TC6393XB_INT)); 238 239 scp0 = sysbus_create_simple("scoop", 0x08800000, NULL); 240 scp1 = sysbus_create_simple("scoop", 0x14800040, NULL); 241 242 tosa_gpio_setup(mpu, scp0, scp1, tmio); 243 244 tosa_microdrive_attach(mpu); 245 246 tosa_tg_init(mpu); 247 248 tosa_binfo.kernel_filename = kernel_filename; 249 tosa_binfo.kernel_cmdline = kernel_cmdline; 250 tosa_binfo.initrd_filename = initrd_filename; 251 tosa_binfo.board_id = 0x208; 252 arm_load_kernel(mpu->cpu, &tosa_binfo); 253 sl_bootparam_write(SL_PXA_PARAM_BASE); 254 } 255 256 static void tosapda_machine_init(MachineClass *mc) 257 { 258 mc->desc = "Sharp SL-6000 (Tosa) PDA (PXA255)"; 259 mc->init = tosa_init; 260 } 261 262 DEFINE_MACHINE("tosa", tosapda_machine_init) 263 264 static void tosa_dac_class_init(ObjectClass *klass, void *data) 265 { 266 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); 267 268 k->init = tosa_dac_init; 269 k->event = tosa_dac_event; 270 k->recv = tosa_dac_recv; 271 k->send = tosa_dac_send; 272 } 273 274 static const TypeInfo tosa_dac_info = { 275 .name = TYPE_TOSA_DAC, 276 .parent = TYPE_I2C_SLAVE, 277 .instance_size = sizeof(TosaDACState), 278 .class_init = tosa_dac_class_init, 279 }; 280 281 static void tosa_ssp_class_init(ObjectClass *klass, void *data) 282 { 283 SSISlaveClass *k = SSI_SLAVE_CLASS(klass); 284 285 k->realize = tosa_ssp_realize; 286 k->transfer = tosa_ssp_tansfer; 287 } 288 289 static const TypeInfo tosa_ssp_info = { 290 .name = "tosa-ssp", 291 .parent = TYPE_SSI_SLAVE, 292 .instance_size = sizeof(SSISlave), 293 .class_init = tosa_ssp_class_init, 294 }; 295 296 static void tosa_register_types(void) 297 { 298 type_register_static(&tosa_dac_info); 299 type_register_static(&tosa_ssp_info); 300 } 301 302 type_init(tosa_register_types) 303