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 "block/block.h" 21 #include "hw/boards.h" 22 #include "hw/i2c/i2c.h" 23 #include "hw/ssi.h" 24 #include "sysemu/blockdev.h" 25 #include "hw/sysbus.h" 26 #include "exec/address-spaces.h" 27 28 #define TOSA_RAM 0x04000000 29 #define TOSA_ROM 0x00800000 30 31 #define TOSA_GPIO_USB_IN (5) 32 #define TOSA_GPIO_nSD_DETECT (9) 33 #define TOSA_GPIO_ON_RESET (19) 34 #define TOSA_GPIO_CF_IRQ (21) /* CF slot0 Ready */ 35 #define TOSA_GPIO_CF_CD (13) 36 #define TOSA_GPIO_TC6393XB_INT (15) 37 #define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */ 38 39 #define TOSA_SCOOP_GPIO_BASE 1 40 #define TOSA_GPIO_IR_POWERDWN (TOSA_SCOOP_GPIO_BASE + 2) 41 #define TOSA_GPIO_SD_WP (TOSA_SCOOP_GPIO_BASE + 3) 42 #define TOSA_GPIO_PWR_ON (TOSA_SCOOP_GPIO_BASE + 4) 43 44 #define TOSA_SCOOP_JC_GPIO_BASE 1 45 #define TOSA_GPIO_BT_LED (TOSA_SCOOP_JC_GPIO_BASE + 0) 46 #define TOSA_GPIO_NOTE_LED (TOSA_SCOOP_JC_GPIO_BASE + 1) 47 #define TOSA_GPIO_CHRG_ERR_LED (TOSA_SCOOP_JC_GPIO_BASE + 2) 48 #define TOSA_GPIO_TC6393XB_L3V_ON (TOSA_SCOOP_JC_GPIO_BASE + 5) 49 #define TOSA_GPIO_WLAN_LED (TOSA_SCOOP_JC_GPIO_BASE + 7) 50 51 #define DAC_BASE 0x4e 52 #define DAC_CH1 0 53 #define DAC_CH2 1 54 55 static void tosa_microdrive_attach(PXA2xxState *cpu) 56 { 57 PCMCIACardState *md; 58 DriveInfo *dinfo; 59 60 dinfo = drive_get(IF_IDE, 0, 0); 61 if (!dinfo || dinfo->media_cd) 62 return; 63 md = dscm1xxxx_init(dinfo); 64 pxa2xx_pcmcia_attach(cpu->pcmcia[0], md); 65 } 66 67 static void tosa_out_switch(void *opaque, int line, int level) 68 { 69 switch (line) { 70 case 0: 71 fprintf(stderr, "blue LED %s.\n", level ? "on" : "off"); 72 break; 73 case 1: 74 fprintf(stderr, "green LED %s.\n", level ? "on" : "off"); 75 break; 76 case 2: 77 fprintf(stderr, "amber LED %s.\n", level ? "on" : "off"); 78 break; 79 case 3: 80 fprintf(stderr, "wlan LED %s.\n", level ? "on" : "off"); 81 break; 82 default: 83 fprintf(stderr, "Uhandled out event: %d = %d\n", line, level); 84 break; 85 } 86 } 87 88 89 static void tosa_gpio_setup(PXA2xxState *cpu, 90 DeviceState *scp0, 91 DeviceState *scp1, 92 TC6393xbState *tmio) 93 { 94 qemu_irq *outsignals = qemu_allocate_irqs(tosa_out_switch, cpu, 4); 95 /* MMC/SD host */ 96 pxa2xx_mmci_handlers(cpu->mmc, 97 qdev_get_gpio_in(scp0, TOSA_GPIO_SD_WP), 98 qemu_irq_invert(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_nSD_DETECT))); 99 100 /* Handle reset */ 101 qdev_connect_gpio_out(cpu->gpio, TOSA_GPIO_ON_RESET, cpu->reset); 102 103 /* PCMCIA signals: card's IRQ and Card-Detect */ 104 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0], 105 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_IRQ), 106 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_CD)); 107 108 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1], 109 qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_JC_CF_IRQ), 110 NULL); 111 112 qdev_connect_gpio_out(scp1, TOSA_GPIO_BT_LED, outsignals[0]); 113 qdev_connect_gpio_out(scp1, TOSA_GPIO_NOTE_LED, outsignals[1]); 114 qdev_connect_gpio_out(scp1, TOSA_GPIO_CHRG_ERR_LED, outsignals[2]); 115 qdev_connect_gpio_out(scp1, TOSA_GPIO_WLAN_LED, outsignals[3]); 116 117 qdev_connect_gpio_out(scp1, TOSA_GPIO_TC6393XB_L3V_ON, tc6393xb_l3v_get(tmio)); 118 119 /* UDC Vbus */ 120 qemu_irq_raise(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_USB_IN)); 121 } 122 123 static uint32_t tosa_ssp_tansfer(SSISlave *dev, uint32_t value) 124 { 125 fprintf(stderr, "TG: %d %02x\n", value >> 5, value & 0x1f); 126 return 0; 127 } 128 129 static int tosa_ssp_init(SSISlave *dev) 130 { 131 /* Nothing to do. */ 132 return 0; 133 } 134 135 typedef struct { 136 I2CSlave i2c; 137 int len; 138 char buf[3]; 139 } TosaDACState; 140 141 static int tosa_dac_send(I2CSlave *i2c, uint8_t data) 142 { 143 TosaDACState *s = FROM_I2C_SLAVE(TosaDACState, i2c); 144 s->buf[s->len] = data; 145 if (s->len ++ > 2) { 146 #ifdef VERBOSE 147 fprintf(stderr, "%s: message too long (%i bytes)\n", __FUNCTION__, s->len); 148 #endif 149 return 1; 150 } 151 152 if (s->len == 2) { 153 fprintf(stderr, "dac: channel %d value 0x%02x\n", 154 s->buf[0], s->buf[1]); 155 } 156 157 return 0; 158 } 159 160 static void tosa_dac_event(I2CSlave *i2c, enum i2c_event event) 161 { 162 TosaDACState *s = FROM_I2C_SLAVE(TosaDACState, i2c); 163 s->len = 0; 164 switch (event) { 165 case I2C_START_SEND: 166 break; 167 case I2C_START_RECV: 168 printf("%s: recv not supported!!!\n", __FUNCTION__); 169 break; 170 case I2C_FINISH: 171 #ifdef VERBOSE 172 if (s->len < 2) 173 printf("%s: message too short (%i bytes)\n", __FUNCTION__, s->len); 174 if (s->len > 2) 175 printf("%s: message too long\n", __FUNCTION__); 176 #endif 177 break; 178 default: 179 break; 180 } 181 } 182 183 static int tosa_dac_recv(I2CSlave *s) 184 { 185 printf("%s: recv not supported!!!\n", __FUNCTION__); 186 return -1; 187 } 188 189 static int tosa_dac_init(I2CSlave *i2c) 190 { 191 /* Nothing to do. */ 192 return 0; 193 } 194 195 static void tosa_tg_init(PXA2xxState *cpu) 196 { 197 i2c_bus *bus = pxa2xx_i2c_bus(cpu->i2c[0]); 198 i2c_create_slave(bus, "tosa_dac", DAC_BASE); 199 ssi_create_slave(cpu->ssp[1], "tosa-ssp"); 200 } 201 202 203 static struct arm_boot_info tosa_binfo = { 204 .loader_start = PXA2XX_SDRAM_BASE, 205 .ram_size = 0x04000000, 206 }; 207 208 static void tosa_init(QEMUMachineInitArgs *args) 209 { 210 const char *cpu_model = args->cpu_model; 211 const char *kernel_filename = args->kernel_filename; 212 const char *kernel_cmdline = args->kernel_cmdline; 213 const char *initrd_filename = args->initrd_filename; 214 MemoryRegion *address_space_mem = get_system_memory(); 215 MemoryRegion *rom = g_new(MemoryRegion, 1); 216 PXA2xxState *mpu; 217 TC6393xbState *tmio; 218 DeviceState *scp0, *scp1; 219 220 if (!cpu_model) 221 cpu_model = "pxa255"; 222 223 mpu = pxa255_init(address_space_mem, tosa_binfo.ram_size); 224 225 memory_region_init_ram(rom, NULL, "tosa.rom", TOSA_ROM); 226 vmstate_register_ram_global(rom); 227 memory_region_set_readonly(rom, true); 228 memory_region_add_subregion(address_space_mem, 0, rom); 229 230 tmio = tc6393xb_init(address_space_mem, 0x10000000, 231 qdev_get_gpio_in(mpu->gpio, TOSA_GPIO_TC6393XB_INT)); 232 233 scp0 = sysbus_create_simple("scoop", 0x08800000, NULL); 234 scp1 = sysbus_create_simple("scoop", 0x14800040, NULL); 235 236 tosa_gpio_setup(mpu, scp0, scp1, tmio); 237 238 tosa_microdrive_attach(mpu); 239 240 tosa_tg_init(mpu); 241 242 tosa_binfo.kernel_filename = kernel_filename; 243 tosa_binfo.kernel_cmdline = kernel_cmdline; 244 tosa_binfo.initrd_filename = initrd_filename; 245 tosa_binfo.board_id = 0x208; 246 arm_load_kernel(mpu->cpu, &tosa_binfo); 247 sl_bootparam_write(SL_PXA_PARAM_BASE); 248 } 249 250 static QEMUMachine tosapda_machine = { 251 .name = "tosa", 252 .desc = "Tosa PDA (PXA255)", 253 .init = tosa_init, 254 }; 255 256 static void tosapda_machine_init(void) 257 { 258 qemu_register_machine(&tosapda_machine); 259 } 260 261 machine_init(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 = "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