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/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/ssi/ssi.h" 25 #include "hw/sysbus.h" 26 #include "exec/address-spaces.h" 27 #include "sysemu/sysemu.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 const char *kernel_filename = machine->kernel_filename; 222 const char *kernel_cmdline = machine->kernel_cmdline; 223 const char *initrd_filename = machine->initrd_filename; 224 MemoryRegion *address_space_mem = get_system_memory(); 225 MemoryRegion *rom = g_new(MemoryRegion, 1); 226 PXA2xxState *mpu; 227 TC6393xbState *tmio; 228 DeviceState *scp0, *scp1; 229 230 mpu = pxa255_init(address_space_mem, tosa_binfo.ram_size); 231 232 memory_region_init_ram(rom, NULL, "tosa.rom", TOSA_ROM, &error_fatal); 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 mc->block_default_type = IF_IDE; 261 mc->ignore_memory_transaction_failures = true; 262 } 263 264 DEFINE_MACHINE("tosa", tosapda_machine_init) 265 266 static void tosa_dac_class_init(ObjectClass *klass, void *data) 267 { 268 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); 269 270 k->event = tosa_dac_event; 271 k->recv = tosa_dac_recv; 272 k->send = tosa_dac_send; 273 } 274 275 static const TypeInfo tosa_dac_info = { 276 .name = TYPE_TOSA_DAC, 277 .parent = TYPE_I2C_SLAVE, 278 .instance_size = sizeof(TosaDACState), 279 .class_init = tosa_dac_class_init, 280 }; 281 282 static void tosa_ssp_class_init(ObjectClass *klass, void *data) 283 { 284 SSISlaveClass *k = SSI_SLAVE_CLASS(klass); 285 286 k->realize = tosa_ssp_realize; 287 k->transfer = tosa_ssp_tansfer; 288 } 289 290 static const TypeInfo tosa_ssp_info = { 291 .name = "tosa-ssp", 292 .parent = TYPE_SSI_SLAVE, 293 .instance_size = sizeof(SSISlave), 294 .class_init = tosa_ssp_class_init, 295 }; 296 297 static void tosa_register_types(void) 298 { 299 type_register_static(&tosa_dac_info); 300 type_register_static(&tosa_ssp_info); 301 } 302 303 type_init(tosa_register_types) 304