[qemu.git] / hw / tc6393xb.c

/*
 * Toshiba TC6393XB I/O Controller.
 * Found in Sharp Zaurus SL-6000 (tosa) or some
 * Toshiba e-Series PDAs.
 *
 * Most features are currently unsupported!!!
 *
 * This code is licensed under the GNU GPL v2.
 */
#include "hw.h"
#include "pxa.h"
#include "devices.h"
#include "flash.h"
#include "console.h"
#include "pixel_ops.h"

#define IRQ_TC6393_NAND		0
#define IRQ_TC6393_MMC		1
#define IRQ_TC6393_OHCI		2
#define IRQ_TC6393_SERIAL	3
#define IRQ_TC6393_FB		4

#define	TC6393XB_NR_IRQS	8

#define TC6393XB_GPIOS  16

#define SCR_REVID	0x08		/* b Revision ID	*/
#define SCR_ISR		0x50		/* b Interrupt Status	*/
#define SCR_IMR		0x52		/* b Interrupt Mask	*/
#define SCR_IRR		0x54		/* b Interrupt Routing	*/
#define SCR_GPER	0x60		/* w GP Enable		*/
#define SCR_GPI_SR(i)	(0x64 + (i))	/* b3 GPI Status	*/
#define SCR_GPI_IMR(i)	(0x68 + (i))	/* b3 GPI INT Mask	*/
#define SCR_GPI_EDER(i)	(0x6c + (i))	/* b3 GPI Edge Detect Enable */
#define SCR_GPI_LIR(i)	(0x70 + (i))	/* b3 GPI Level Invert	*/
#define SCR_GPO_DSR(i)	(0x78 + (i))	/* b3 GPO Data Set	*/
#define SCR_GPO_DOECR(i) (0x7c + (i))	/* b3 GPO Data OE Control */
#define SCR_GP_IARCR(i)	(0x80 + (i))	/* b3 GP Internal Active Register Control */
#define SCR_GP_IARLCR(i) (0x84 + (i))	/* b3 GP INTERNAL Active Register Level Control */
#define SCR_GPI_BCR(i)	(0x88 + (i))	/* b3 GPI Buffer Control */
#define SCR_GPA_IARCR	0x8c		/* w GPa Internal Active Register Control */
#define SCR_GPA_IARLCR	0x90		/* w GPa Internal Active Register Level Control */
#define SCR_GPA_BCR	0x94		/* w GPa Buffer Control */
#define SCR_CCR		0x98		/* w Clock Control	*/
#define SCR_PLL2CR	0x9a		/* w PLL2 Control	*/
#define SCR_PLL1CR	0x9c		/* l PLL1 Control	*/
#define SCR_DIARCR	0xa0		/* b Device Internal Active Register Control */
#define SCR_DBOCR	0xa1		/* b Device Buffer Off Control */
#define SCR_FER		0xe0		/* b Function Enable	*/
#define SCR_MCR		0xe4		/* w Mode Control	*/
#define SCR_CONFIG	0xfc		/* b Configuration Control */
#define SCR_DEBUG	0xff		/* b Debug		*/

#define NAND_CFG_COMMAND    0x04    /* w Command        */
#define NAND_CFG_BASE       0x10    /* l Control Base Address */
#define NAND_CFG_INTP       0x3d    /* b Interrupt Pin  */
#define NAND_CFG_INTE       0x48    /* b Int Enable     */
#define NAND_CFG_EC         0x4a    /* b Event Control  */
#define NAND_CFG_ICC        0x4c    /* b Internal Clock Control */
#define NAND_CFG_ECCC       0x5b    /* b ECC Control    */
#define NAND_CFG_NFTC       0x60    /* b NAND Flash Transaction Control */
#define NAND_CFG_NFM        0x61    /* b NAND Flash Monitor */
#define NAND_CFG_NFPSC      0x62    /* b NAND Flash Power Supply Control */
#define NAND_CFG_NFDC       0x63    /* b NAND Flash Detect Control */

#define NAND_DATA   0x00        /* l Data       */
#define NAND_MODE   0x04        /* b Mode       */
#define NAND_STATUS 0x05        /* b Status     */
#define NAND_ISR    0x06        /* b Interrupt Status */
#define NAND_IMR    0x07        /* b Interrupt Mask */

#define NAND_MODE_WP        0x80
#define NAND_MODE_CE        0x10
#define NAND_MODE_ALE       0x02
#define NAND_MODE_CLE       0x01
#define NAND_MODE_ECC_MASK  0x60
#define NAND_MODE_ECC_EN    0x20
#define NAND_MODE_ECC_READ  0x40
#define NAND_MODE_ECC_RST   0x60

struct tc6393xb_s {
    qemu_irq irq;
    qemu_irq *sub_irqs;
    struct {
        uint8_t ISR;
        uint8_t IMR;
        uint8_t IRR;
        uint16_t GPER;
        uint8_t GPI_SR[3];
        uint8_t GPI_IMR[3];
        uint8_t GPI_EDER[3];
        uint8_t GPI_LIR[3];
        uint8_t GP_IARCR[3];
        uint8_t GP_IARLCR[3];
        uint8_t GPI_BCR[3];
        uint16_t GPA_IARCR;
        uint16_t GPA_IARLCR;
        uint16_t CCR;
        uint16_t PLL2CR;
        uint32_t PLL1CR;
        uint8_t DIARCR;
        uint8_t DBOCR;
        uint8_t FER;
        uint16_t MCR;
        uint8_t CONFIG;
        uint8_t DEBUG;
    } scr;
    uint32_t gpio_dir;
    uint32_t gpio_level;
    uint32_t prev_level;
    qemu_irq handler[TC6393XB_GPIOS];
    qemu_irq *gpio_in;

    struct {
        uint8_t mode;
        uint8_t isr;
        uint8_t imr;
    } nand;
    int nand_enable;
    uint32_t nand_phys;
    struct nand_flash_s *flash;
    struct ecc_state_s ecc;

    DisplayState *ds;
    QEMUConsole *console;
    ram_addr_t vram_addr;
    uint32_t scr_width, scr_height; /* in pixels */
    qemu_irq l3v;
    unsigned blank : 1,
             blanked : 1;
};

qemu_irq *tc6393xb_gpio_in_get(struct tc6393xb_s *s)
{
    return s->gpio_in;
}

static void tc6393xb_gpio_set(void *opaque, int line, int level)
{
//    struct tc6393xb_s *s = opaque;

    if (line > TC6393XB_GPIOS) {
        printf("%s: No GPIO pin %i\n", __FUNCTION__, line);
        return;
    }

    // FIXME: how does the chip reflect the GPIO input level change?
}

void tc6393xb_gpio_out_set(struct tc6393xb_s *s, int line,
                    qemu_irq handler)
{
    if (line >= TC6393XB_GPIOS) {
        fprintf(stderr, "TC6393xb: no GPIO pin %d\n", line);
        return;
    }

    s->handler[line] = handler;
}

static void tc6393xb_gpio_handler_update(struct tc6393xb_s *s)
{
    uint32_t level, diff;
    int bit;

    level = s->gpio_level & s->gpio_dir;

    for (diff = s->prev_level ^ level; diff; diff ^= 1 << bit) {
        bit = ffs(diff) - 1;
        qemu_set_irq(s->handler[bit], (level >> bit) & 1);
    }

    s->prev_level = level;
}

qemu_irq tc6393xb_l3v_get(struct tc6393xb_s *s)
{
    return s->l3v;
}

static void tc6393xb_l3v(void *opaque, int line, int level)
{
    struct tc6393xb_s *s = opaque;
    s->blank = !level;
    fprintf(stderr, "L3V: %d\n", level);
}

static void tc6393xb_sub_irq(void *opaque, int line, int level) {
    struct tc6393xb_s *s = opaque;
    uint8_t isr = s->scr.ISR;
    if (level)
        isr |= 1 << line;
    else
        isr &= ~(1 << line);
    s->scr.ISR = isr;
    qemu_set_irq(s->irq, isr & s->scr.IMR);
}

#define SCR_REG_B(N)                            \
    case SCR_ ##N: return s->scr.N
#define SCR_REG_W(N)                            \
    case SCR_ ##N: return s->scr.N;             \
    case SCR_ ##N + 1: return s->scr.N >> 8;
#define SCR_REG_L(N)                            \
    case SCR_ ##N: return s->scr.N;             \
    case SCR_ ##N + 1: return s->scr.N >> 8;    \
    case SCR_ ##N + 2: return s->scr.N >> 16;   \
    case SCR_ ##N + 3: return s->scr.N >> 24;
#define SCR_REG_A(N)                            \
    case SCR_ ##N(0): return s->scr.N[0];       \
    case SCR_ ##N(1): return s->scr.N[1];       \
    case SCR_ ##N(2): return s->scr.N[2]

static uint32_t tc6393xb_scr_readb(struct tc6393xb_s *s, target_phys_addr_t addr)
{
    switch (addr) {
        case SCR_REVID:
            return 3;
        case SCR_REVID+1:
            return 0;
        SCR_REG_B(ISR);
        SCR_REG_B(IMR);
        SCR_REG_B(IRR);
        SCR_REG_W(GPER);
        SCR_REG_A(GPI_SR);
        SCR_REG_A(GPI_IMR);
        SCR_REG_A(GPI_EDER);
        SCR_REG_A(GPI_LIR);
        case SCR_GPO_DSR(0):
        case SCR_GPO_DSR(1):
        case SCR_GPO_DSR(2):
            return (s->gpio_level >> ((addr - SCR_GPO_DSR(0)) * 8)) & 0xff;
        case SCR_GPO_DOECR(0):
        case SCR_GPO_DOECR(1):
        case SCR_GPO_DOECR(2):
            return (s->gpio_dir >> ((addr - SCR_GPO_DOECR(0)) * 8)) & 0xff;
        SCR_REG_A(GP_IARCR);
        SCR_REG_A(GP_IARLCR);
        SCR_REG_A(GPI_BCR);
        SCR_REG_W(GPA_IARCR);
        SCR_REG_W(GPA_IARLCR);
        SCR_REG_W(CCR);
        SCR_REG_W(PLL2CR);
        SCR_REG_L(PLL1CR);
        SCR_REG_B(DIARCR);
        SCR_REG_B(DBOCR);
        SCR_REG_B(FER);
        SCR_REG_W(MCR);
        SCR_REG_B(CONFIG);
        SCR_REG_B(DEBUG);
    }
    fprintf(stderr, "tc6393xb_scr: unhandled read at %08x\n", (uint32_t) addr);
    return 0;
}
#undef SCR_REG_B
#undef SCR_REG_W
#undef SCR_REG_L
#undef SCR_REG_A

#define SCR_REG_B(N)                                \
    case SCR_ ##N: s->scr.N = value; return;
#define SCR_REG_W(N)                                \
    case SCR_ ##N: s->scr.N = (s->scr.N & ~0xff) | (value & 0xff); return; \
    case SCR_ ##N + 1: s->scr.N = (s->scr.N & 0xff) | (value << 8); return
#define SCR_REG_L(N)                                \
    case SCR_ ##N: s->scr.N = (s->scr.N & ~0xff) | (value & 0xff); return;   \
    case SCR_ ##N + 1: s->scr.N = (s->scr.N & ~(0xff << 8)) | (value & (0xff << 8)); return;     \
    case SCR_ ##N + 2: s->scr.N = (s->scr.N & ~(0xff << 16)) | (value & (0xff << 16)); return;   \
    case SCR_ ##N + 3: s->scr.N = (s->scr.N & ~(0xff << 24)) | (value & (0xff << 24)); return;
#define SCR_REG_A(N)                                \
    case SCR_ ##N(0): s->scr.N[0] = value; return;   \
    case SCR_ ##N(1): s->scr.N[1] = value; return;   \
    case SCR_ ##N(2): s->scr.N[2] = value; return

static void tc6393xb_scr_writeb(struct tc6393xb_s *s, target_phys_addr_t addr, uint32_t value)
{
    switch (addr) {
        SCR_REG_B(ISR);
        SCR_REG_B(IMR);
        SCR_REG_B(IRR);
        SCR_REG_W(GPER);
        SCR_REG_A(GPI_SR);
        SCR_REG_A(GPI_IMR);
        SCR_REG_A(GPI_EDER);
        SCR_REG_A(GPI_LIR);
        case SCR_GPO_DSR(0):
        case SCR_GPO_DSR(1):
        case SCR_GPO_DSR(2):
            s->gpio_level = (s->gpio_level & ~(0xff << ((addr - SCR_GPO_DSR(0))*8))) | ((value & 0xff) << ((addr - SCR_GPO_DSR(0))*8));
            tc6393xb_gpio_handler_update(s);
            return;
        case SCR_GPO_DOECR(0):
        case SCR_GPO_DOECR(1):
        case SCR_GPO_DOECR(2):
            s->gpio_dir = (s->gpio_dir & ~(0xff << ((addr - SCR_GPO_DOECR(0))*8))) | ((value & 0xff) << ((addr - SCR_GPO_DOECR(0))*8));
            tc6393xb_gpio_handler_update(s);
            return;
        SCR_REG_A(GP_IARCR);
        SCR_REG_A(GP_IARLCR);
        SCR_REG_A(GPI_BCR);
        SCR_REG_W(GPA_IARCR);
        SCR_REG_W(GPA_IARLCR);
        SCR_REG_W(CCR);
        SCR_REG_W(PLL2CR);
        SCR_REG_L(PLL1CR);
        SCR_REG_B(DIARCR);
        SCR_REG_B(DBOCR);
        SCR_REG_B(FER);
        SCR_REG_W(MCR);
        SCR_REG_B(CONFIG);
        SCR_REG_B(DEBUG);
    }
    fprintf(stderr, "tc6393xb_scr: unhandled write at %08x: %02x\n",
					(uint32_t) addr, value & 0xff);
}
#undef SCR_REG_B
#undef SCR_REG_W
#undef SCR_REG_L
#undef SCR_REG_A

static void tc6393xb_nand_irq(struct tc6393xb_s *s) {
    qemu_set_irq(s->sub_irqs[IRQ_TC6393_NAND],
            (s->nand.imr & 0x80) && (s->nand.imr & s->nand.isr));
}

static uint32_t tc6393xb_nand_cfg_readb(struct tc6393xb_s *s, target_phys_addr_t addr) {
    switch (addr) {
        case NAND_CFG_COMMAND:
            return s->nand_enable ? 2 : 0;
        case NAND_CFG_BASE:
        case NAND_CFG_BASE + 1:
        case NAND_CFG_BASE + 2:
        case NAND_CFG_BASE + 3:
            return s->nand_phys >> (addr - NAND_CFG_BASE);
    }
    fprintf(stderr, "tc6393xb_nand_cfg: unhandled read at %08x\n", (uint32_t) addr);
    return 0;
}
static void tc6393xb_nand_cfg_writeb(struct tc6393xb_s *s, target_phys_addr_t addr, uint32_t value) {
    switch (addr) {
        case NAND_CFG_COMMAND:
            s->nand_enable = (value & 0x2);
            return;
        case NAND_CFG_BASE:
        case NAND_CFG_BASE + 1:
        case NAND_CFG_BASE + 2:
        case NAND_CFG_BASE + 3:
            s->nand_phys &= ~(0xff << ((addr - NAND_CFG_BASE) * 8));
            s->nand_phys |= (value & 0xff) << ((addr - NAND_CFG_BASE) * 8);
            return;
    }
    fprintf(stderr, "tc6393xb_nand_cfg: unhandled write at %08x: %02x\n",
					(uint32_t) addr, value & 0xff);
}

static uint32_t tc6393xb_nand_readb(struct tc6393xb_s *s, target_phys_addr_t addr) {
    switch (addr) {
        case NAND_DATA + 0:
        case NAND_DATA + 1:
        case NAND_DATA + 2:
        case NAND_DATA + 3:
            return nand_getio(s->flash);
        case NAND_MODE:
            return s->nand.mode;
        case NAND_STATUS:
            return 0x14;
        case NAND_ISR:
            return s->nand.isr;
        case NAND_IMR:
            return s->nand.imr;
    }
    fprintf(stderr, "tc6393xb_nand: unhandled read at %08x\n", (uint32_t) addr);
    return 0;
}
static void tc6393xb_nand_writeb(struct tc6393xb_s *s, target_phys_addr_t addr, uint32_t value) {
//    fprintf(stderr, "tc6393xb_nand: write at %08x: %02x\n",
//					(uint32_t) addr, value & 0xff);
    switch (addr) {
        case NAND_DATA + 0:
        case NAND_DATA + 1:
        case NAND_DATA + 2:
        case NAND_DATA + 3:
            nand_setio(s->flash, value);
            s->nand.isr &= 1;
            tc6393xb_nand_irq(s);
            return;
        case NAND_MODE:
            s->nand.mode = value;
            nand_setpins(s->flash,
                    value & NAND_MODE_CLE,
                    value & NAND_MODE_ALE,
                    !(value & NAND_MODE_CE),
                    value & NAND_MODE_WP,
                    0); // FIXME: gnd
            switch (value & NAND_MODE_ECC_MASK) {
                case NAND_MODE_ECC_RST:
                    ecc_reset(&s->ecc);
                    break;
                case NAND_MODE_ECC_READ:
                    // FIXME
                    break;
                case NAND_MODE_ECC_EN:
                    ecc_reset(&s->ecc);
            }
            return;
        case NAND_ISR:
            s->nand.isr = value;
            tc6393xb_nand_irq(s);
            return;
        case NAND_IMR:
            s->nand.imr = value;
            tc6393xb_nand_irq(s);
            return;
    }
    fprintf(stderr, "tc6393xb_nand: unhandled write at %08x: %02x\n",
					(uint32_t) addr, value & 0xff);
}

#define BITS 8
#include "tc6393xb_template.h"
#define BITS 15
#include "tc6393xb_template.h"
#define BITS 16
#include "tc6393xb_template.h"
#define BITS 24
#include "tc6393xb_template.h"
#define BITS 32
#include "tc6393xb_template.h"

static void tc6393xb_draw_graphic(struct tc6393xb_s *s, int full_update)
{
    switch (ds_get_bits_per_pixel(s->ds)) {
        case 8:
            tc6393xb_draw_graphic8(s);
            break;
        case 15:
            tc6393xb_draw_graphic15(s);
            break;
        case 16:
            tc6393xb_draw_graphic16(s);
            break;
        case 24:
            tc6393xb_draw_graphic24(s);
            break;
        case 32:
            tc6393xb_draw_graphic32(s);
            break;
        default:
            printf("tc6393xb: unknown depth %d\n", ds_get_bits_per_pixel(s->ds));
            return;
    }

    dpy_update(s->ds, 0, 0, s->scr_width, s->scr_height);
}

static void tc6393xb_draw_blank(struct tc6393xb_s *s, int full_update)
{
    int i, w;
    uint8_t *d;

    if (!full_update)
        return;

    w = s->scr_width * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3);
    d = ds_get_data(s->ds);
    for(i = 0; i < s->scr_height; i++) {
        memset(d, 0, w);
        d += ds_get_linesize(s->ds);
    }

    dpy_update(s->ds, 0, 0, s->scr_width, s->scr_height);
}

static void tc6393xb_update_display(void *opaque)
{
    struct tc6393xb_s *s = opaque;
    int full_update;

    if (s->scr_width == 0 || s->scr_height == 0)
        return;

    full_update = 0;
    if (s->blanked != s->blank) {
        s->blanked = s->blank;
        full_update = 1;
    }
    if (s->scr_width != ds_get_width(s->ds) || s->scr_height != ds_get_height(s->ds)) {
        qemu_console_resize(s->console, s->scr_width, s->scr_height);
        full_update = 1;
    }
    if (s->blanked)
        tc6393xb_draw_blank(s, full_update);
    else
        tc6393xb_draw_graphic(s, full_update);
}


static uint32_t tc6393xb_readb(void *opaque, target_phys_addr_t addr) {
    struct tc6393xb_s *s = opaque;

    switch (addr >> 8) {
        case 0:
            return tc6393xb_scr_readb(s, addr & 0xff);
        case 1:
            return tc6393xb_nand_cfg_readb(s, addr & 0xff);
    };

    if ((addr &~0xff) == s->nand_phys && s->nand_enable) {
//        return tc6393xb_nand_readb(s, addr & 0xff);
        uint8_t d = tc6393xb_nand_readb(s, addr & 0xff);
//        fprintf(stderr, "tc6393xb_nand: read at %08x: %02hhx\n", (uint32_t) addr, d);
        return d;
    }

//    fprintf(stderr, "tc6393xb: unhandled read at %08x\n", (uint32_t) addr);
    return 0;
}

static void tc6393xb_writeb(void *opaque, target_phys_addr_t addr, uint32_t value) {
    struct tc6393xb_s *s = opaque;

    switch (addr >> 8) {
        case 0:
            tc6393xb_scr_writeb(s, addr & 0xff, value);
            return;
        case 1:
            tc6393xb_nand_cfg_writeb(s, addr & 0xff, value);
            return;
    };

    if ((addr &~0xff) == s->nand_phys && s->nand_enable)
        tc6393xb_nand_writeb(s, addr & 0xff, value);
    else
        fprintf(stderr, "tc6393xb: unhandled write at %08x: %02x\n",
					(uint32_t) addr, value & 0xff);
}

static uint32_t tc6393xb_readw(void *opaque, target_phys_addr_t addr)
{
    return (tc6393xb_readb(opaque, addr) & 0xff) |
        (tc6393xb_readb(opaque, addr + 1) << 8);
}

static uint32_t tc6393xb_readl(void *opaque, target_phys_addr_t addr)
{
    return (tc6393xb_readb(opaque, addr) & 0xff) |
        ((tc6393xb_readb(opaque, addr + 1) & 0xff) << 8) |
        ((tc6393xb_readb(opaque, addr + 2) & 0xff) << 16) |
        ((tc6393xb_readb(opaque, addr + 3) & 0xff) << 24);
}

static void tc6393xb_writew(void *opaque, target_phys_addr_t addr, uint32_t value)
{
    tc6393xb_writeb(opaque, addr, value);
    tc6393xb_writeb(opaque, addr + 1, value >> 8);
}

static void tc6393xb_writel(void *opaque, target_phys_addr_t addr, uint32_t value)
{
    tc6393xb_writeb(opaque, addr, value);
    tc6393xb_writeb(opaque, addr + 1, value >> 8);
    tc6393xb_writeb(opaque, addr + 2, value >> 16);
    tc6393xb_writeb(opaque, addr + 3, value >> 24);
}

struct tc6393xb_s *tc6393xb_init(uint32_t base, qemu_irq irq, DisplayState *ds)
{
    int iomemtype;
    struct tc6393xb_s *s;
    CPUReadMemoryFunc *tc6393xb_readfn[] = {
        tc6393xb_readb,
        tc6393xb_readw,
        tc6393xb_readl,
    };
    CPUWriteMemoryFunc *tc6393xb_writefn[] = {
        tc6393xb_writeb,
        tc6393xb_writew,
        tc6393xb_writel,
    };

    s = (struct tc6393xb_s *) qemu_mallocz(sizeof(struct tc6393xb_s));
    s->irq = irq;
    s->gpio_in = qemu_allocate_irqs(tc6393xb_gpio_set, s, TC6393XB_GPIOS);

    s->l3v = *qemu_allocate_irqs(tc6393xb_l3v, s, 1);
    s->blanked = 1;

    s->sub_irqs = qemu_allocate_irqs(tc6393xb_sub_irq, s, TC6393XB_NR_IRQS);

    s->flash = nand_init(NAND_MFR_TOSHIBA, 0x76);

    iomemtype = cpu_register_io_memory(0, tc6393xb_readfn,
                    tc6393xb_writefn, s);
    cpu_register_physical_memory(base, 0x10000, iomemtype);

    if (ds) {
        s->ds = ds;
        s->vram_addr = qemu_ram_alloc(0x100000);
        cpu_register_physical_memory(base + 0x100000, 0x100000, s->vram_addr);
        s->scr_width = 480;
        s->scr_height = 640;
        s->console = graphic_console_init(ds,
                tc6393xb_update_display,
                NULL, /* invalidate */
                NULL, /* screen_dump */
                NULL, /* text_update */
                s);
    }

    return s;
}
Commit	Line	Data
7880febd PB	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	*/
88d2c950 AZ	10	#include "hw.h"
	11	#include "pxa.h"
	12	#include "devices.h"
a6569fc5	13	#include "flash.h"
64b40bc5 AZ	14	#include "console.h"
64b40bc5 AZ	15	#include "pixel_ops.h"
a6569fc5 AZ	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
88d2c950 AZ	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
a6569fc5 AZ	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
88d2c950	81	struct tc6393xb_s {
a6569fc5 AZ	82	qemu_irq irq;
a6569fc5 AZ	83	qemu_irq *sub_irqs;
88d2c950 AZ	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;
a6569fc5 AZ	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	struct nand_flash_s *flash;
	122	struct ecc_state_s ecc;
64b40bc5 AZ	123
	124	DisplayState *ds;
	125	QEMUConsole *console;
	126	ram_addr_t vram_addr;
	127	uint32_t scr_width, scr_height; /* in pixels */
	128	qemu_irq l3v;
	129	unsigned blank : 1,
	130	blanked : 1;
88d2c950 AZ	131	};
	132
	133	qemu_irq tc6393xb_gpio_in_get(struct tc6393xb_s s)
	134	{
	135	return s->gpio_in;
	136	}
	137
	138	static void tc6393xb_gpio_set(void *opaque, int line, int level)
	139	{
	140	// struct tc6393xb_s *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(struct tc6393xb_s *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(struct tc6393xb_s *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
64b40bc5 AZ	176	qemu_irq tc6393xb_l3v_get(struct tc6393xb_s *s)
	177	{
	178	return s->l3v;
	179	}
	180
	181	static void tc6393xb_l3v(void *opaque, int line, int level)
	182	{
	183	struct tc6393xb_s *s = opaque;
	184	s->blank = !level;
	185	fprintf(stderr, "L3V: %d\n", level);
	186	}
	187
a6569fc5 AZ	188	static void tc6393xb_sub_irq(void *opaque, int line, int level) {
	189	struct tc6393xb_s *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
88d2c950 AZ	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
a6569fc5	214	static uint32_t tc6393xb_scr_readb(struct tc6393xb_s *s, target_phys_addr_t addr)
88d2c950	215	{
88d2c950 AZ	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	}
a6569fc5	252	fprintf(stderr, "tc6393xb_scr: unhandled read at %08x\n", (uint32_t) addr);
88d2c950 AZ	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) \
a6569fc5	261	case SCR_ ##N: s->scr.N = value; return;
88d2c950	262	#define SCR_REG_W(N) \
a6569fc5 AZ	263	case SCR_ ##N: s->scr.N = (s->scr.N & ~0xff) \| (value & 0xff); return; \
a6569fc5 AZ	264	case SCR_ ##N + 1: s->scr.N = (s->scr.N & 0xff) \| (value << 8); return
88d2c950	265	#define SCR_REG_L(N) \
a6569fc5 AZ	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;
88d2c950	270	#define SCR_REG_A(N) \
a6569fc5 AZ	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
88d2c950	274
a6569fc5	275	static void tc6393xb_scr_writeb(struct tc6393xb_s *s, target_phys_addr_t addr, uint32_t value)
88d2c950	276	{
88d2c950 AZ	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);
a6569fc5	291	return;
88d2c950 AZ	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);
a6569fc5	297	return;
88d2c950 AZ	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);
88d2c950	312	}
a6569fc5 AZ	313	fprintf(stderr, "tc6393xb_scr: unhandled write at %08x: %02x\n",
a6569fc5 AZ	314	(uint32_t) addr, value & 0xff);
88d2c950 AZ	315	}
	316	#undef SCR_REG_B
	317	#undef SCR_REG_W
	318	#undef SCR_REG_L
	319	#undef SCR_REG_A
	320
a6569fc5 AZ	321	static void tc6393xb_nand_irq(struct tc6393xb_s *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(struct tc6393xb_s *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(struct tc6393xb_s *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(struct tc6393xb_s *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(struct tc6393xb_s *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
64b40bc5 AZ	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(struct tc6393xb_s *s, int full_update)
	431	{
0e1f5a0c	432	switch (ds_get_bits_per_pixel(s->ds)) {
64b40bc5 AZ	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:
0e1f5a0c	449	printf("tc6393xb: unknown depth %d\n", ds_get_bits_per_pixel(s->ds));
64b40bc5 AZ	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(struct tc6393xb_s *s, int full_update)
	457	{
	458	int i, w;
	459	uint8_t *d;
	460
	461	if (!full_update)
	462	return;
	463
0e1f5a0c AL	464	w = s->scr_width * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3);
0e1f5a0c AL	465	d = ds_get_data(s->ds);
64b40bc5 AZ	466	for(i = 0; i < s->scr_height; i++) {
64b40bc5 AZ	467	memset(d, 0, w);
0e1f5a0c	468	d += ds_get_linesize(s->ds);
64b40bc5 AZ	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	struct tc6393xb_s *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	}
0e1f5a0c	487	if (s->scr_width != ds_get_width(s->ds) \|\| s->scr_height != ds_get_height(s->ds)) {
64b40bc5 AZ	488	qemu_console_resize(s->console, 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
a6569fc5 AZ	498	static uint32_t tc6393xb_readb(void *opaque, target_phys_addr_t addr) {
a6569fc5 AZ	499	struct tc6393xb_s *s = opaque;
a6569fc5 AZ	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	struct tc6393xb_s *s = opaque;
a6569fc5 AZ	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
88d2c950 AZ	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
64b40bc5	566	struct tc6393xb_s tc6393xb_init(uint32_t base, qemu_irq irq, DisplayState ds)
88d2c950 AZ	567	{
	568	int iomemtype;
	569	struct tc6393xb_s *s;
	570	CPUReadMemoryFunc *tc6393xb_readfn[] = {
	571	tc6393xb_readb,
	572	tc6393xb_readw,
	573	tc6393xb_readl,
	574	};
	575	CPUWriteMemoryFunc *tc6393xb_writefn[] = {
	576	tc6393xb_writeb,
	577	tc6393xb_writew,
	578	tc6393xb_writel,
	579	};
	580
	581	s = (struct tc6393xb_s *) qemu_mallocz(sizeof(struct tc6393xb_s));
a6569fc5	582	s->irq = irq;
88d2c950 AZ	583	s->gpio_in = qemu_allocate_irqs(tc6393xb_gpio_set, s, TC6393XB_GPIOS);
88d2c950 AZ	584
64b40bc5 AZ	585	s->l3v = *qemu_allocate_irqs(tc6393xb_l3v, s, 1);
	586	s->blanked = 1;
	587
a6569fc5 AZ	588	s->sub_irqs = qemu_allocate_irqs(tc6393xb_sub_irq, s, TC6393XB_NR_IRQS);
	589
	590	s->flash = nand_init(NAND_MFR_TOSHIBA, 0x76);
	591
88d2c950 AZ	592	iomemtype = cpu_register_io_memory(0, tc6393xb_readfn,
88d2c950 AZ	593	tc6393xb_writefn, s);
8da3ff18	594	cpu_register_physical_memory(base, 0x10000, iomemtype);
64b40bc5 AZ	595
	596	if (ds) {
	597	s->ds = ds;
	598	s->vram_addr = qemu_ram_alloc(0x100000);
8da3ff18	599	cpu_register_physical_memory(base + 0x100000, 0x100000, s->vram_addr);
64b40bc5 AZ	600	s->scr_width = 480;
	601	s->scr_height = 640;
	602	s->console = graphic_console_init(ds,
	603	tc6393xb_update_display,
	604	NULL, /* invalidate */
	605	NULL, /* screen_dump */
	606	NULL, /* text_update */
	607	s);
	608	}
88d2c950 AZ	609
	610	return s;
	611	}