hw/tc6393xb.c

   1 /*
   2  * Toshiba TC6393XB I/O Controller.
   3  * Found in Sharp Zaurus SL-6000 (tosa) or some
   4  * Toshiba e-Series PDAs.
   5  *
   6  * Most features are currently unsupported!!!
   7  *
   8  * This code is licensed under the GNU GPL v2.
   9  */
  10 #include "hw.h"
  11 #include "devices.h"
  12 #include "flash.h"
  13 #include "console.h"
  14 #include "pixel_ops.h"
  15 #include "blockdev.h"
  16
  17 #define IRQ_TC6393_NAND         0
  18 #define IRQ_TC6393_MMC          1
  19 #define IRQ_TC6393_OHCI         2
  20 #define IRQ_TC6393_SERIAL       3
  21 #define IRQ_TC6393_FB           4
  22
  23 #define TC6393XB_NR_IRQS        8
  24
  25 #define TC6393XB_GPIOS  16
  26
  27 #define SCR_REVID       0x08            /* b Revision ID        */
  28 #define SCR_ISR         0x50            /* b Interrupt Status   */
  29 #define SCR_IMR         0x52            /* b Interrupt Mask     */
  30 #define SCR_IRR         0x54            /* b Interrupt Routing  */
  31 #define SCR_GPER        0x60            /* w GP Enable          */
  32 #define SCR_GPI_SR(i)   (0x64 + (i))    /* b3 GPI Status        */
  33 #define SCR_GPI_IMR(i)  (0x68 + (i))    /* b3 GPI INT Mask      */
  34 #define SCR_GPI_EDER(i) (0x6c + (i))    /* b3 GPI Edge Detect Enable */
  35 #define SCR_GPI_LIR(i)  (0x70 + (i))    /* b3 GPI Level Invert  */
  36 #define SCR_GPO_DSR(i)  (0x78 + (i))    /* b3 GPO Data Set      */
  37 #define SCR_GPO_DOECR(i) (0x7c + (i))   /* b3 GPO Data OE Control */
  38 #define SCR_GP_IARCR(i) (0x80 + (i))    /* b3 GP Internal Active Register Control */
  39 #define SCR_GP_IARLCR(i) (0x84 + (i))   /* b3 GP INTERNAL Active Register Level Control */
  40 #define SCR_GPI_BCR(i)  (0x88 + (i))    /* b3 GPI Buffer Control */
  41 #define SCR_GPA_IARCR   0x8c            /* w GPa Internal Active Register Control */
  42 #define SCR_GPA_IARLCR  0x90            /* w GPa Internal Active Register Level Control */
  43 #define SCR_GPA_BCR     0x94            /* w GPa Buffer Control */
  44 #define SCR_CCR         0x98            /* w Clock Control      */
  45 #define SCR_PLL2CR      0x9a            /* w PLL2 Control       */
  46 #define SCR_PLL1CR      0x9c            /* l PLL1 Control       */
  47 #define SCR_DIARCR      0xa0            /* b Device Internal Active Register Control */
  48 #define SCR_DBOCR       0xa1            /* b Device Buffer Off Control */
  49 #define SCR_FER         0xe0            /* b Function Enable    */
  50 #define SCR_MCR         0xe4            /* w Mode Control       */
  51 #define SCR_CONFIG      0xfc            /* b Configuration Control */
  52 #define SCR_DEBUG       0xff            /* b Debug              */
  53
  54 #define NAND_CFG_COMMAND    0x04    /* w Command        */
  55 #define NAND_CFG_BASE       0x10    /* l Control Base Address */
  56 #define NAND_CFG_INTP       0x3d    /* b Interrupt Pin  */
  57 #define NAND_CFG_INTE       0x48    /* b Int Enable     */
  58 #define NAND_CFG_EC         0x4a    /* b Event Control  */
  59 #define NAND_CFG_ICC        0x4c    /* b Internal Clock Control */
  60 #define NAND_CFG_ECCC       0x5b    /* b ECC Control    */
  61 #define NAND_CFG_NFTC       0x60    /* b NAND Flash Transaction Control */
  62 #define NAND_CFG_NFM        0x61    /* b NAND Flash Monitor */
  63 #define NAND_CFG_NFPSC      0x62    /* b NAND Flash Power Supply Control */
  64 #define NAND_CFG_NFDC       0x63    /* b NAND Flash Detect Control */
  65
  66 #define NAND_DATA   0x00        /* l Data       */
  67 #define NAND_MODE   0x04        /* b Mode       */
  68 #define NAND_STATUS 0x05        /* b Status     */
  69 #define NAND_ISR    0x06        /* b Interrupt Status */
  70 #define NAND_IMR    0x07        /* b Interrupt Mask */
  71
  72 #define NAND_MODE_WP        0x80
  73 #define NAND_MODE_CE        0x10
  74 #define NAND_MODE_ALE       0x02
  75 #define NAND_MODE_CLE       0x01
  76 #define NAND_MODE_ECC_MASK  0x60
  77 #define NAND_MODE_ECC_EN    0x20
  78 #define NAND_MODE_ECC_READ  0x40
  79 #define NAND_MODE_ECC_RST   0x60
  80
  81 struct TC6393xbState {
  82     qemu_irq irq;
  83     qemu_irq *sub_irqs;
  84     struct {
  85         uint8_t ISR;
  86         uint8_t IMR;
  87         uint8_t IRR;
  88         uint16_t GPER;
  89         uint8_t GPI_SR[3];
  90         uint8_t GPI_IMR[3];
  91         uint8_t GPI_EDER[3];
  92         uint8_t GPI_LIR[3];
  93         uint8_t GP_IARCR[3];
  94         uint8_t GP_IARLCR[3];
  95         uint8_t GPI_BCR[3];
  96         uint16_t GPA_IARCR;
  97         uint16_t GPA_IARLCR;
  98         uint16_t CCR;
  99         uint16_t PLL2CR;
 100         uint32_t PLL1CR;
 101         uint8_t DIARCR;
 102         uint8_t DBOCR;
 103         uint8_t FER;
 104         uint16_t MCR;
 105         uint8_t CONFIG;
 106         uint8_t DEBUG;
 107     } scr;
 108     uint32_t gpio_dir;
 109     uint32_t gpio_level;
 110     uint32_t prev_level;
 111     qemu_irq handler[TC6393XB_GPIOS];
 112     qemu_irq *gpio_in;
 113
 114     struct {
 115         uint8_t mode;
 116         uint8_t isr;
 117         uint8_t imr;
 118     } nand;
 119     int nand_enable;
 120     uint32_t nand_phys;
 121     DeviceState *flash;
 122     ECCState ecc;
 123
 124     DisplayState *ds;
 125     ram_addr_t vram_addr;
 126     uint16_t *vram_ptr;
 127     uint32_t scr_width, scr_height; /* in pixels */
 128     qemu_irq l3v;
 129     unsigned blank : 1,
 130              blanked : 1;
 131 };
 132
 133 qemu_irq *tc6393xb_gpio_in_get(TC6393xbState *s)
 134 {
 135     return s->gpio_in;
 136 }
 137
 138 static void tc6393xb_gpio_set(void *opaque, int line, int level)
 139 {
 140 //    TC6393xbState *s = opaque;
 141
 142     if (line > TC6393XB_GPIOS) {
 143         printf("%s: No GPIO pin %i\n", __FUNCTION__, line);
 144         return;
 145     }
 146
 147     // FIXME: how does the chip reflect the GPIO input level change?
 148 }
 149
 150 void tc6393xb_gpio_out_set(TC6393xbState *s, int line,
 151                     qemu_irq handler)
 152 {
 153     if (line >= TC6393XB_GPIOS) {
 154         fprintf(stderr, "TC6393xb: no GPIO pin %d\n", line);
 155         return;
 156     }
 157
 158     s->handler[line] = handler;
 159 }
 160
 161 static void tc6393xb_gpio_handler_update(TC6393xbState *s)
 162 {
 163     uint32_t level, diff;
 164     int bit;
 165
 166     level = s->gpio_level & s->gpio_dir;
 167
 168     for (diff = s->prev_level ^ level; diff; diff ^= 1 << bit) {
 169         bit = ffs(diff) - 1;
 170         qemu_set_irq(s->handler[bit], (level >> bit) & 1);
 171     }
 172
 173     s->prev_level = level;
 174 }
 175
 176 qemu_irq tc6393xb_l3v_get(TC6393xbState *s)
 177 {
 178     return s->l3v;
 179 }
 180
 181 static void tc6393xb_l3v(void *opaque, int line, int level)
 182 {
 183     TC6393xbState *s = opaque;
 184     s->blank = !level;
 185     fprintf(stderr, "L3V: %d\n", level);
 186 }
 187
 188 static void tc6393xb_sub_irq(void *opaque, int line, int level) {
 189     TC6393xbState *s = opaque;
 190     uint8_t isr = s->scr.ISR;
 191     if (level)
 192         isr |= 1 << line;
 193     else
 194         isr &= ~(1 << line);
 195     s->scr.ISR = isr;
 196     qemu_set_irq(s->irq, isr & s->scr.IMR);
 197 }
 198
 199 #define SCR_REG_B(N)                            \
 200     case SCR_ ##N: return s->scr.N
 201 #define SCR_REG_W(N)                            \
 202     case SCR_ ##N: return s->scr.N;             \
 203     case SCR_ ##N + 1: return s->scr.N >> 8;
 204 #define SCR_REG_L(N)                            \
 205     case SCR_ ##N: return s->scr.N;             \
 206     case SCR_ ##N + 1: return s->scr.N >> 8;    \
 207     case SCR_ ##N + 2: return s->scr.N >> 16;   \
 208     case SCR_ ##N + 3: return s->scr.N >> 24;
 209 #define SCR_REG_A(N)                            \
 210     case SCR_ ##N(0): return s->scr.N[0];       \
 211     case SCR_ ##N(1): return s->scr.N[1];       \
 212     case SCR_ ##N(2): return s->scr.N[2]
 213
 214 static uint32_t tc6393xb_scr_readb(TC6393xbState *s, target_phys_addr_t addr)
 215 {
 216     switch (addr) {
 217         case SCR_REVID:
 218             return 3;
 219         case SCR_REVID+1:
 220             return 0;
 221         SCR_REG_B(ISR);
 222         SCR_REG_B(IMR);
 223         SCR_REG_B(IRR);
 224         SCR_REG_W(GPER);
 225         SCR_REG_A(GPI_SR);
 226         SCR_REG_A(GPI_IMR);
 227         SCR_REG_A(GPI_EDER);
 228         SCR_REG_A(GPI_LIR);
 229         case SCR_GPO_DSR(0):
 230         case SCR_GPO_DSR(1):
 231         case SCR_GPO_DSR(2):
 232             return (s->gpio_level >> ((addr - SCR_GPO_DSR(0)) * 8)) & 0xff;
 233         case SCR_GPO_DOECR(0):
 234         case SCR_GPO_DOECR(1):
 235         case SCR_GPO_DOECR(2):
 236             return (s->gpio_dir >> ((addr - SCR_GPO_DOECR(0)) * 8)) & 0xff;
 237         SCR_REG_A(GP_IARCR);
 238         SCR_REG_A(GP_IARLCR);
 239         SCR_REG_A(GPI_BCR);
 240         SCR_REG_W(GPA_IARCR);
 241         SCR_REG_W(GPA_IARLCR);
 242         SCR_REG_W(CCR);
 243         SCR_REG_W(PLL2CR);
 244         SCR_REG_L(PLL1CR);
 245         SCR_REG_B(DIARCR);
 246         SCR_REG_B(DBOCR);
 247         SCR_REG_B(FER);
 248         SCR_REG_W(MCR);
 249         SCR_REG_B(CONFIG);
 250         SCR_REG_B(DEBUG);
 251     }
 252     fprintf(stderr, "tc6393xb_scr: unhandled read at %08x\n", (uint32_t) addr);
 253     return 0;
 254 }
 255 #undef SCR_REG_B
 256 #undef SCR_REG_W
 257 #undef SCR_REG_L
 258 #undef SCR_REG_A
 259
 260 #define SCR_REG_B(N)                                \
 261     case SCR_ ##N: s->scr.N = value; return;
 262 #define SCR_REG_W(N)                                \
 263     case SCR_ ##N: s->scr.N = (s->scr.N & ~0xff) | (value & 0xff); return; \
 264     case SCR_ ##N + 1: s->scr.N = (s->scr.N & 0xff) | (value << 8); return
 265 #define SCR_REG_L(N)                                \
 266     case SCR_ ##N: s->scr.N = (s->scr.N & ~0xff) | (value & 0xff); return;   \
 267     case SCR_ ##N + 1: s->scr.N = (s->scr.N & ~(0xff << 8)) | (value & (0xff << 8)); return;     \
 268     case SCR_ ##N + 2: s->scr.N = (s->scr.N & ~(0xff << 16)) | (value & (0xff << 16)); return;   \
 269     case SCR_ ##N + 3: s->scr.N = (s->scr.N & ~(0xff << 24)) | (value & (0xff << 24)); return;
 270 #define SCR_REG_A(N)                                \
 271     case SCR_ ##N(0): s->scr.N[0] = value; return;   \
 272     case SCR_ ##N(1): s->scr.N[1] = value; return;   \
 273     case SCR_ ##N(2): s->scr.N[2] = value; return
 274
 275 static void tc6393xb_scr_writeb(TC6393xbState *s, target_phys_addr_t addr, uint32_t value)
 276 {
 277     switch (addr) {
 278         SCR_REG_B(ISR);
 279         SCR_REG_B(IMR);
 280         SCR_REG_B(IRR);
 281         SCR_REG_W(GPER);
 282         SCR_REG_A(GPI_SR);
 283         SCR_REG_A(GPI_IMR);
 284         SCR_REG_A(GPI_EDER);
 285         SCR_REG_A(GPI_LIR);
 286         case SCR_GPO_DSR(0):
 287         case SCR_GPO_DSR(1):
 288         case SCR_GPO_DSR(2):
 289             s->gpio_level = (s->gpio_level & ~(0xff << ((addr - SCR_GPO_DSR(0))*8))) | ((value & 0xff) << ((addr - SCR_GPO_DSR(0))*8));
 290             tc6393xb_gpio_handler_update(s);
 291             return;
 292         case SCR_GPO_DOECR(0):
 293         case SCR_GPO_DOECR(1):
 294         case SCR_GPO_DOECR(2):
 295             s->gpio_dir = (s->gpio_dir & ~(0xff << ((addr - SCR_GPO_DOECR(0))*8))) | ((value & 0xff) << ((addr - SCR_GPO_DOECR(0))*8));
 296             tc6393xb_gpio_handler_update(s);
 297             return;
 298         SCR_REG_A(GP_IARCR);
 299         SCR_REG_A(GP_IARLCR);
 300         SCR_REG_A(GPI_BCR);
 301         SCR_REG_W(GPA_IARCR);
 302         SCR_REG_W(GPA_IARLCR);
 303         SCR_REG_W(CCR);
 304         SCR_REG_W(PLL2CR);
 305         SCR_REG_L(PLL1CR);
 306         SCR_REG_B(DIARCR);
 307         SCR_REG_B(DBOCR);
 308         SCR_REG_B(FER);
 309         SCR_REG_W(MCR);
 310         SCR_REG_B(CONFIG);
 311         SCR_REG_B(DEBUG);
 312     }
 313     fprintf(stderr, "tc6393xb_scr: unhandled write at %08x: %02x\n",
 314                                         (uint32_t) addr, value & 0xff);
 315 }
 316 #undef SCR_REG_B
 317 #undef SCR_REG_W
 318 #undef SCR_REG_L
 319 #undef SCR_REG_A
 320
 321 static void tc6393xb_nand_irq(TC6393xbState *s) {
 322     qemu_set_irq(s->sub_irqs[IRQ_TC6393_NAND],
 323             (s->nand.imr & 0x80) && (s->nand.imr & s->nand.isr));
 324 }
 325
 326 static uint32_t tc6393xb_nand_cfg_readb(TC6393xbState *s, target_phys_addr_t addr) {
 327     switch (addr) {
 328         case NAND_CFG_COMMAND:
 329             return s->nand_enable ? 2 : 0;
 330         case NAND_CFG_BASE:
 331         case NAND_CFG_BASE + 1:
 332         case NAND_CFG_BASE + 2:
 333         case NAND_CFG_BASE + 3:
 334             return s->nand_phys >> (addr - NAND_CFG_BASE);
 335     }
 336     fprintf(stderr, "tc6393xb_nand_cfg: unhandled read at %08x\n", (uint32_t) addr);
 337     return 0;
 338 }
 339 static void tc6393xb_nand_cfg_writeb(TC6393xbState *s, target_phys_addr_t addr, uint32_t value) {
 340     switch (addr) {
 341         case NAND_CFG_COMMAND:
 342             s->nand_enable = (value & 0x2);
 343             return;
 344         case NAND_CFG_BASE:
 345         case NAND_CFG_BASE + 1:
 346         case NAND_CFG_BASE + 2:
 347         case NAND_CFG_BASE + 3:
 348             s->nand_phys &= ~(0xff << ((addr - NAND_CFG_BASE) * 8));
 349             s->nand_phys |= (value & 0xff) << ((addr - NAND_CFG_BASE) * 8);
 350             return;
 351     }
 352     fprintf(stderr, "tc6393xb_nand_cfg: unhandled write at %08x: %02x\n",
 353                                         (uint32_t) addr, value & 0xff);
 354 }
 355
 356 static uint32_t tc6393xb_nand_readb(TC6393xbState *s, target_phys_addr_t addr) {
 357     switch (addr) {
 358         case NAND_DATA + 0:
 359         case NAND_DATA + 1:
 360         case NAND_DATA + 2:
 361         case NAND_DATA + 3:
 362             return nand_getio(s->flash);
 363         case NAND_MODE:
 364             return s->nand.mode;
 365         case NAND_STATUS:
 366             return 0x14;
 367         case NAND_ISR:
 368             return s->nand.isr;
 369         case NAND_IMR:
 370             return s->nand.imr;
 371     }
 372     fprintf(stderr, "tc6393xb_nand: unhandled read at %08x\n", (uint32_t) addr);
 373     return 0;
 374 }
 375 static void tc6393xb_nand_writeb(TC6393xbState *s, target_phys_addr_t addr, uint32_t value) {
 376 //    fprintf(stderr, "tc6393xb_nand: write at %08x: %02x\n",
 377 //                                      (uint32_t) addr, value & 0xff);
 378     switch (addr) {
 379         case NAND_DATA + 0:
 380         case NAND_DATA + 1:
 381         case NAND_DATA + 2:
 382         case NAND_DATA + 3:
 383             nand_setio(s->flash, value);
 384             s->nand.isr |= 1;
 385             tc6393xb_nand_irq(s);
 386             return;
 387         case NAND_MODE:
 388             s->nand.mode = value;
 389             nand_setpins(s->flash,
 390                     value & NAND_MODE_CLE,
 391                     value & NAND_MODE_ALE,
 392                     !(value & NAND_MODE_CE),
 393                     value & NAND_MODE_WP,
 394                     0); // FIXME: gnd
 395             switch (value & NAND_MODE_ECC_MASK) {
 396                 case NAND_MODE_ECC_RST:
 397                     ecc_reset(&s->ecc);
 398                     break;
 399                 case NAND_MODE_ECC_READ:
 400                     // FIXME
 401                     break;
 402                 case NAND_MODE_ECC_EN:
 403                     ecc_reset(&s->ecc);
 404             }
 405             return;
 406         case NAND_ISR:
 407             s->nand.isr = value;
 408             tc6393xb_nand_irq(s);
 409             return;
 410         case NAND_IMR:
 411             s->nand.imr = value;
 412             tc6393xb_nand_irq(s);
 413             return;
 414     }
 415     fprintf(stderr, "tc6393xb_nand: unhandled write at %08x: %02x\n",
 416                                         (uint32_t) addr, value & 0xff);
 417 }
 418
 419 #define BITS 8
 420 #include "tc6393xb_template.h"
 421 #define BITS 15
 422 #include "tc6393xb_template.h"
 423 #define BITS 16
 424 #include "tc6393xb_template.h"
 425 #define BITS 24
 426 #include "tc6393xb_template.h"
 427 #define BITS 32
 428 #include "tc6393xb_template.h"
 429
 430 static void tc6393xb_draw_graphic(TC6393xbState *s, int full_update)
 431 {
 432     switch (ds_get_bits_per_pixel(s->ds)) {
 433         case 8:
 434             tc6393xb_draw_graphic8(s);
 435             break;
 436         case 15:
 437             tc6393xb_draw_graphic15(s);
 438             break;
 439         case 16:
 440             tc6393xb_draw_graphic16(s);
 441             break;
 442         case 24:
 443             tc6393xb_draw_graphic24(s);
 444             break;
 445         case 32:
 446             tc6393xb_draw_graphic32(s);
 447             break;
 448         default:
 449             printf("tc6393xb: unknown depth %d\n", ds_get_bits_per_pixel(s->ds));
 450             return;
 451     }
 452
 453     dpy_update(s->ds, 0, 0, s->scr_width, s->scr_height);
 454 }
 455
 456 static void tc6393xb_draw_blank(TC6393xbState *s, int full_update)
 457 {
 458     int i, w;
 459     uint8_t *d;
 460
 461     if (!full_update)
 462         return;
 463
 464     w = s->scr_width * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3);
 465     d = ds_get_data(s->ds);
 466     for(i = 0; i < s->scr_height; i++) {
 467         memset(d, 0, w);
 468         d += ds_get_linesize(s->ds);
 469     }
 470
 471     dpy_update(s->ds, 0, 0, s->scr_width, s->scr_height);
 472 }
 473
 474 static void tc6393xb_update_display(void *opaque)
 475 {
 476     TC6393xbState *s = opaque;
 477     int full_update;
 478
 479     if (s->scr_width == 0 || s->scr_height == 0)
 480         return;
 481
 482     full_update = 0;
 483     if (s->blanked != s->blank) {
 484         s->blanked = s->blank;
 485         full_update = 1;
 486     }
 487     if (s->scr_width != ds_get_width(s->ds) || s->scr_height != ds_get_height(s->ds)) {
 488         qemu_console_resize(s->ds, s->scr_width, s->scr_height);
 489         full_update = 1;
 490     }
 491     if (s->blanked)
 492         tc6393xb_draw_blank(s, full_update);
 493     else
 494         tc6393xb_draw_graphic(s, full_update);
 495 }
 496
 497
 498 static uint32_t tc6393xb_readb(void *opaque, target_phys_addr_t addr) {
 499     TC6393xbState *s = opaque;
 500
 501     switch (addr >> 8) {
 502         case 0:
 503             return tc6393xb_scr_readb(s, addr & 0xff);
 504         case 1:
 505             return tc6393xb_nand_cfg_readb(s, addr & 0xff);
 506     };
 507
 508     if ((addr &~0xff) == s->nand_phys && s->nand_enable) {
 509 //        return tc6393xb_nand_readb(s, addr & 0xff);
 510         uint8_t d = tc6393xb_nand_readb(s, addr & 0xff);
 511 //        fprintf(stderr, "tc6393xb_nand: read at %08x: %02hhx\n", (uint32_t) addr, d);
 512         return d;
 513     }
 514
 515 //    fprintf(stderr, "tc6393xb: unhandled read at %08x\n", (uint32_t) addr);
 516     return 0;
 517 }
 518
 519 static void tc6393xb_writeb(void *opaque, target_phys_addr_t addr, uint32_t value) {
 520     TC6393xbState *s = opaque;
 521
 522     switch (addr >> 8) {
 523         case 0:
 524             tc6393xb_scr_writeb(s, addr & 0xff, value);
 525             return;
 526         case 1:
 527             tc6393xb_nand_cfg_writeb(s, addr & 0xff, value);
 528             return;
 529     };
 530
 531     if ((addr &~0xff) == s->nand_phys && s->nand_enable)
 532         tc6393xb_nand_writeb(s, addr & 0xff, value);
 533     else
 534         fprintf(stderr, "tc6393xb: unhandled write at %08x: %02x\n",
 535                                         (uint32_t) addr, value & 0xff);
 536 }
 537
 538 static uint32_t tc6393xb_readw(void *opaque, target_phys_addr_t addr)
 539 {
 540     return (tc6393xb_readb(opaque, addr) & 0xff) |
 541         (tc6393xb_readb(opaque, addr + 1) << 8);
 542 }
 543
 544 static uint32_t tc6393xb_readl(void *opaque, target_phys_addr_t addr)
 545 {
 546     return (tc6393xb_readb(opaque, addr) & 0xff) |
 547         ((tc6393xb_readb(opaque, addr + 1) & 0xff) << 8) |
 548         ((tc6393xb_readb(opaque, addr + 2) & 0xff) << 16) |
 549         ((tc6393xb_readb(opaque, addr + 3) & 0xff) << 24);
 550 }
 551
 552 static void tc6393xb_writew(void *opaque, target_phys_addr_t addr, uint32_t value)
 553 {
 554     tc6393xb_writeb(opaque, addr, value);
 555     tc6393xb_writeb(opaque, addr + 1, value >> 8);
 556 }
 557
 558 static void tc6393xb_writel(void *opaque, target_phys_addr_t addr, uint32_t value)
 559 {
 560     tc6393xb_writeb(opaque, addr, value);
 561     tc6393xb_writeb(opaque, addr + 1, value >> 8);
 562     tc6393xb_writeb(opaque, addr + 2, value >> 16);
 563     tc6393xb_writeb(opaque, addr + 3, value >> 24);
 564 }
 565
 566 TC6393xbState *tc6393xb_init(uint32_t base, qemu_irq irq)
 567 {
 568     int iomemtype;
 569     TC6393xbState *s;
 570     DriveInfo *nand;
 571     CPUReadMemoryFunc * const tc6393xb_readfn[] = {
 572         tc6393xb_readb,
 573         tc6393xb_readw,
 574         tc6393xb_readl,
 575     };
 576     CPUWriteMemoryFunc * const tc6393xb_writefn[] = {
 577         tc6393xb_writeb,
 578         tc6393xb_writew,
 579         tc6393xb_writel,
 580     };
 581
 582     s = (TC6393xbState *) qemu_mallocz(sizeof(TC6393xbState));
 583     s->irq = irq;
 584     s->gpio_in = qemu_allocate_irqs(tc6393xb_gpio_set, s, TC6393XB_GPIOS);
 585
 586     s->l3v = *qemu_allocate_irqs(tc6393xb_l3v, s, 1);
 587     s->blanked = 1;
 588
 589     s->sub_irqs = qemu_allocate_irqs(tc6393xb_sub_irq, s, TC6393XB_NR_IRQS);
 590
 591     nand = drive_get(IF_MTD, 0, 0);
 592     s->flash = nand_init(nand ? nand->bdrv : NULL, NAND_MFR_TOSHIBA, 0x76);
 593
 594     iomemtype = cpu_register_io_memory(tc6393xb_readfn,
 595                     tc6393xb_writefn, s, DEVICE_NATIVE_ENDIAN);
 596     cpu_register_physical_memory(base, 0x10000, iomemtype);
 597
 598     s->vram_addr = qemu_ram_alloc(NULL, "tc6393xb.vram", 0x100000);
 599     s->vram_ptr = qemu_get_ram_ptr(s->vram_addr);
 600     cpu_register_physical_memory(base + 0x100000, 0x100000, s->vram_addr);
 601     s->scr_width = 480;
 602     s->scr_height = 640;
 603     s->ds = graphic_console_init(tc6393xb_update_display,
 604             NULL, /* invalidate */
 605             NULL, /* screen_dump */
 606             NULL, /* text_update */
 607             s);
 608
 609     return s;
 610 }