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