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 #include "sysemu/sysemu.h" 29 30 #define TOSA_RAM 0x04000000 31 #define TOSA_ROM 0x00800000 32 33 #define TOSA_GPIO_USB_IN (5) 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) 38 #define TOSA_GPIO_TC6393XB_INT (15) 39 #define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */ 40 41 #define TOSA_SCOOP_GPIO_BASE 1 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 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) 50 #define TOSA_GPIO_TC6393XB_L3V_ON (TOSA_SCOOP_JC_GPIO_BASE + 5) 51 #define TOSA_GPIO_WLAN_LED (TOSA_SCOOP_JC_GPIO_BASE + 7) 52 53 #define DAC_BASE 0x4e 54 #define DAC_CH1 0 55 #define DAC_CH2 1 56 57 static void tosa_microdrive_attach(PXA2xxState *cpu) 58 { 59 PCMCIACardState *md; 60 DriveInfo *dinfo; 61 62 dinfo = drive_get(IF_IDE, 0, 0); 63 if (!dinfo || dinfo->media_cd) 64 return; 65 md = dscm1xxxx_init(dinfo); 66 pxa2xx_pcmcia_attach(cpu->pcmcia[0], md); 67 } 68 69 static 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 90 static void tosa_reset(void *opaque, int line, int level) 91 { 92 if (level) { 93 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 94 } 95 } 96 97 static void tosa_gpio_setup(PXA2xxState *cpu, 98 DeviceState *scp0, 99 DeviceState *scp1, 100 TC6393xbState *tmio) 101 { 102 qemu_irq *outsignals = qemu_allocate_irqs(tosa_out_switch, cpu, 4); 103 qemu_irq reset; 104 105 /* MMC/SD host */ 106 pxa2xx_mmci_handlers(cpu->mmc, 107 qdev_get_gpio_in(scp0, TOSA_GPIO_SD_WP), 108 qemu_irq_invert(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_nSD_DETECT))); 109 110 /* Handle reset */ 111 reset = qemu_allocate_irq(tosa_reset, cpu, 0); 112 qdev_connect_gpio_out(cpu->gpio, TOSA_GPIO_ON_RESET, reset); 113 114 /* PCMCIA signals: card's IRQ and Card-Detect */ 115 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0], 116 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_IRQ), 117 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_CD)); 118 119 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1], 120 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_JC_CF_IRQ), 121 NULL); 122 123 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]); 127 128 qdev_connect_gpio_out(scp1, TOSA_GPIO_TC6393XB_L3V_ON, tc6393xb_l3v_get(tmio)); 129 130 /* UDC Vbus */ 131 qemu_irq_raise(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_USB_IN)); 132 } 133 134 static uint32_t tosa_ssp_tansfer(SSISlave *dev, uint32_t value) 135 { 136 fprintf(stderr, "TG: %d %02x\n", value >> 5, value & 0x1f); 137 return 0; 138 } 139 140 static void tosa_ssp_realize(SSISlave *dev, Error **errp) 141 { 142 /* Nothing to do. */ 143 } 144 145 #define TYPE_TOSA_DAC "tosa_dac" 146 #define TOSA_DAC(obj) OBJECT_CHECK(TosaDACState, (obj), TYPE_TOSA_DAC) 147 148 typedef struct { 149 I2CSlave parent_obj; 150 151 int len; 152 char buf[3]; 153 } TosaDACState; 154 155 static int tosa_dac_send(I2CSlave *i2c, uint8_t data) 156 { 157 TosaDACState *s = TOSA_DAC(i2c); 158 159 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 } 174 175 static int tosa_dac_event(I2CSlave *i2c, enum i2c_event event) 176 { 177 TosaDACState *s = TOSA_DAC(i2c); 178 179 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 } 197 198 return 0; 199 } 200 201 static int tosa_dac_recv(I2CSlave *s) 202 { 203 printf("%s: recv not supported!!!\n", __FUNCTION__); 204 return -1; 205 } 206 207 static void tosa_tg_init(PXA2xxState *cpu) 208 { 209 I2CBus *bus = pxa2xx_i2c_bus(cpu->i2c[0]); 210 i2c_create_slave(bus, TYPE_TOSA_DAC, DAC_BASE); 211 ssi_create_slave(cpu->ssp[1], "tosa-ssp"); 212 } 213 214 215 static struct arm_boot_info tosa_binfo = { 216 .loader_start = PXA2XX_SDRAM_BASE, 217 .ram_size = 0x04000000, 218 }; 219 220 static void tosa_init(MachineState *machine) 221 { 222 const char *kernel_filename = machine->kernel_filename; 223 const char *kernel_cmdline = machine->kernel_cmdline; 224 const char *initrd_filename = machine->initrd_filename; 225 MemoryRegion *address_space_mem = get_system_memory(); 226 MemoryRegion *rom = g_new(MemoryRegion, 1); 227 PXA2xxState *mpu; 228 TC6393xbState *tmio; 229 DeviceState *scp0, *scp1; 230 231 mpu = pxa255_init(address_space_mem, tosa_binfo.ram_size); 232 233 memory_region_init_ram(rom, NULL, "tosa.rom", TOSA_ROM, &error_fatal); 234 memory_region_set_readonly(rom, true); 235 memory_region_add_subregion(address_space_mem, 0, rom); 236 237 tmio = tc6393xb_init(address_space_mem, 0x10000000, 238 qdev_get_gpio_in(mpu->gpio, TOSA_GPIO_TC6393XB_INT)); 239 240 scp0 = sysbus_create_simple("scoop", 0x08800000, NULL); 241 scp1 = sysbus_create_simple("scoop", 0x14800040, NULL); 242 243 tosa_gpio_setup(mpu, scp0, scp1, tmio); 244 245 tosa_microdrive_attach(mpu); 246 247 tosa_tg_init(mpu); 248 249 tosa_binfo.kernel_filename = kernel_filename; 250 tosa_binfo.kernel_cmdline = kernel_cmdline; 251 tosa_binfo.initrd_filename = initrd_filename; 252 tosa_binfo.board_id = 0x208; 253 arm_load_kernel(mpu->cpu, &tosa_binfo); 254 sl_bootparam_write(SL_PXA_PARAM_BASE); 255 } 256 257 static void tosapda_machine_init(MachineClass *mc) 258 { 259 mc->desc = "Sharp SL-6000 (Tosa) PDA (PXA255)"; 260 mc->init = tosa_init; 261 mc->block_default_type = IF_IDE; 262 mc->ignore_memory_transaction_failures = true; 263 } 264 265 DEFINE_MACHINE("tosa", tosapda_machine_init) 266 267 static void tosa_dac_class_init(ObjectClass *klass, void *data) 268 { 269 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); 270 271 k->event = tosa_dac_event; 272 k->recv = tosa_dac_recv; 273 k->send = tosa_dac_send; 274 } 275 276 static const TypeInfo tosa_dac_info = { 277 .name = TYPE_TOSA_DAC, 278 .parent = TYPE_I2C_SLAVE, 279 .instance_size = sizeof(TosaDACState), 280 .class_init = tosa_dac_class_init, 281 }; 282 283 static void tosa_ssp_class_init(ObjectClass *klass, void *data) 284 { 285 SSISlaveClass *k = SSI_SLAVE_CLASS(klass); 286 287 k->realize = tosa_ssp_realize; 288 k->transfer = tosa_ssp_tansfer; 289 } 290 291 static const TypeInfo tosa_ssp_info = { 292 .name = "tosa-ssp", 293 .parent = TYPE_SSI_SLAVE, 294 .instance_size = sizeof(SSISlave), 295 .class_init = tosa_ssp_class_init, 296 }; 297 298 static void tosa_register_types(void) 299 { 300 type_register_static(&tosa_dac_info); 301 type_register_static(&tosa_ssp_info); 302 } 303 304 type_init(tosa_register_types) 305