Spitz PDA, example PXA270 machine (four similar models).

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2756 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 1100 insertions, 0 deletions

diff --git a/hw/spitz.c b/hw/spitz.c
new file mode 100644
index 0000000000..84cd30507b
--- /dev/null
+++ b/hw/spitz.c
@@ -0,0 +1,1100 @@
+/*
+ * PXA270-based Clamshell PDA platforms.
+ *
+ * Copyright (c) 2006 Openedhand Ltd.
+ * Written by Andrzej Zaborowski <balrog@zabor.org>
+ *
+ * This code is licensed under the GNU GPL v2.
+ */
+
+#include "vl.h"
+
+#define spitz_printf(format, ...)	\
+    fprintf(stderr, "%s: " format, __FUNCTION__, ##__VA_ARGS__)
+#undef REG_FMT
+#define REG_FMT			"0x%02lx"
+
+/* Spitz Flash */
+#define FLASH_BASE		0x0c000000
+#define FLASH_ECCLPLB		0x00	/* Line parity 7 - 0 bit */
+#define FLASH_ECCLPUB		0x04	/* Line parity 15 - 8 bit */
+#define FLASH_ECCCP		0x08	/* Column parity 5 - 0 bit */
+#define FLASH_ECCCNTR		0x0c	/* ECC byte counter */
+#define FLASH_ECCCLRR		0x10	/* Clear ECC */
+#define FLASH_FLASHIO		0x14	/* Flash I/O */
+#define FLASH_FLASHCTL		0x18	/* Flash Control */
+
+#define FLASHCTL_CE0		(1 << 0)
+#define FLASHCTL_CLE		(1 << 1)
+#define FLASHCTL_ALE		(1 << 2)
+#define FLASHCTL_WP		(1 << 3)
+#define FLASHCTL_CE1		(1 << 4)
+#define FLASHCTL_RYBY		(1 << 5)
+#define FLASHCTL_NCE		(FLASHCTL_CE0 | FLASHCTL_CE1)
+
+struct sl_nand_s {
+    target_phys_addr_t target_base;
+    struct nand_flash_s *nand;
+    uint8_t ctl;
+    struct ecc_state_s ecc;
+};
+
+static uint32_t sl_readb(void *opaque, target_phys_addr_t addr)
+{
+    struct sl_nand_s *s = (struct sl_nand_s *) opaque;
+    int ryby;
+    addr -= s->target_base;
+
+    switch (addr) {
+#define BSHR(byte, from, to)	((s->ecc.lp[byte] >> (from - to)) & (1 << to))
+    case FLASH_ECCLPLB:
+        return BSHR(0, 4, 0) | BSHR(0, 5, 2) | BSHR(0, 6, 4) | BSHR(0, 7, 6) |
+                BSHR(1, 4, 1) | BSHR(1, 5, 3) | BSHR(1, 6, 5) | BSHR(1, 7, 7);
+
+#define BSHL(byte, from, to)	((s->ecc.lp[byte] << (to - from)) & (1 << to))
+    case FLASH_ECCLPUB:
+        return BSHL(0, 0, 0) | BSHL(0, 1, 2) | BSHL(0, 2, 4) | BSHL(0, 3, 6) |
+                BSHL(1, 0, 1) | BSHL(1, 1, 3) | BSHL(1, 2, 5) | BSHL(1, 3, 7);
+
+    case FLASH_ECCCP:
+        return s->ecc.cp;
+
+    case FLASH_ECCCNTR:
+        return s->ecc.count & 0xff;
+
+    case FLASH_FLASHCTL:
+        nand_getpins(s->nand, &ryby);
+        if (ryby)
+            return s->ctl | FLASHCTL_RYBY;
+        else
+            return s->ctl;
+
+    case FLASH_FLASHIO:
+        return ecc_digest(&s->ecc, nand_getio(s->nand));
+
+    default:
+        spitz_printf("Bad register offset " REG_FMT "\n", addr);
+    }
+    return 0;
+}
+
+static void sl_writeb(void *opaque, target_phys_addr_t addr,
+                uint32_t value)
+{
+    struct sl_nand_s *s = (struct sl_nand_s *) opaque;
+    addr -= s->target_base;
+
+    switch (addr) {
+    case FLASH_ECCCLRR:
+        /* Value is ignored.  */
+        ecc_reset(&s->ecc);
+        break;
+
+    case FLASH_FLASHCTL:
+        s->ctl = value & 0xff & ~FLASHCTL_RYBY;
+        nand_setpins(s->nand,
+                        s->ctl & FLASHCTL_CLE,
+                        s->ctl & FLASHCTL_ALE,
+                        s->ctl & FLASHCTL_NCE,
+                        s->ctl & FLASHCTL_WP,
+                        0);
+        break;
+
+    case FLASH_FLASHIO:
+        nand_setio(s->nand, ecc_digest(&s->ecc, value & 0xff));
+        break;
+
+    default:
+        spitz_printf("Bad register offset " REG_FMT "\n", addr);
+    }
+}
+
+enum {
+    FLASH_128M,
+    FLASH_1024M,
+};
+
+static void sl_flash_register(struct pxa2xx_state_s *cpu, int size)
+{
+    int iomemtype;
+    struct sl_nand_s *s;
+    CPUReadMemoryFunc *sl_readfn[] = {
+        sl_readb,
+        sl_readb,
+        sl_readb,
+    };
+    CPUWriteMemoryFunc *sl_writefn[] = {
+        sl_writeb,
+        sl_writeb,
+        sl_writeb,
+    };
+
+    s = (struct sl_nand_s *) qemu_mallocz(sizeof(struct sl_nand_s));
+    s->target_base = FLASH_BASE;
+    s->ctl = 0;
+    if (size == FLASH_128M)
+        s->nand = nand_init(NAND_MFR_SAMSUNG, 0x73);
+    else if (size == FLASH_1024M)
+        s->nand = nand_init(NAND_MFR_SAMSUNG, 0xf1);
+
+    iomemtype = cpu_register_io_memory(0, sl_readfn,
+                    sl_writefn, s);
+    cpu_register_physical_memory(s->target_base, 0x40, iomemtype);
+}
+
+/* Spitz Keyboard */
+
+#define SPITZ_KEY_STROBE_NUM	11
+#define SPITZ_KEY_SENSE_NUM	7
+
+static const int spitz_gpio_key_sense[SPITZ_KEY_SENSE_NUM] = {
+    12, 17, 91, 34, 36, 38, 39
+};
+
+static const int spitz_gpio_key_strobe[SPITZ_KEY_STROBE_NUM] = {
+    88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114
+};
+
+/* Eighth additional row maps the special keys */
+static int spitz_keymap[SPITZ_KEY_SENSE_NUM + 1][SPITZ_KEY_STROBE_NUM] = {
+    { 0x1d, 0x02, 0x04, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0e, 0x3f, 0x40 },
+    {  -1 , 0x03, 0x05, 0x13, 0x15, 0x09, 0x17, 0x18, 0x19, 0x41, 0x42 },
+    { 0x0f, 0x10, 0x12, 0x14, 0x22, 0x16, 0x24, 0x25,  -1 ,  -1 ,  -1  },
+    { 0x3c, 0x11, 0x1f, 0x21, 0x2f, 0x23, 0x32, 0x26,  -1 , 0x36,  -1  },
+    { 0x3b, 0x1e, 0x20, 0x2e, 0x30, 0x31, 0x34,  -1 , 0x1c, 0x2a,  -1  },
+    { 0x44, 0x2c, 0x2d, 0x0c, 0x39, 0x33,  -1 , 0x48,  -1 ,  -1 , 0x3d },
+    { 0x37, 0x38,  -1 , 0x45, 0x57, 0x58, 0x4b, 0x50, 0x4d,  -1 ,  -1  },
+    { 0x52, 0x43, 0x01, 0x47, 0x49,  -1 ,  -1 ,  -1 ,  -1 ,  -1 ,  -1  },
+};
+
+#define SPITZ_GPIO_AK_INT	13	/* Remote control */
+#define SPITZ_GPIO_SYNC		16	/* Sync button */
+#define SPITZ_GPIO_ON_KEY	95	/* Power button */
+#define SPITZ_GPIO_SWA		97	/* Lid */
+#define SPITZ_GPIO_SWB		96	/* Tablet mode */
+
+/* The special buttons are mapped to unused keys */
+static const int spitz_gpiomap[5] = {
+    SPITZ_GPIO_AK_INT, SPITZ_GPIO_SYNC, SPITZ_GPIO_ON_KEY,
+    SPITZ_GPIO_SWA, SPITZ_GPIO_SWB,
+};
+static int spitz_gpio_invert[5] = { 0, 0, 0, 0, 0, };
+
+struct spitz_keyboard_s {
+    struct pxa2xx_state_s *cpu;
+    int keymap[0x80];
+    uint16_t keyrow[SPITZ_KEY_SENSE_NUM];
+    uint16_t strobe_state;
+    uint16_t sense_state;
+
+    uint16_t pre_map[0x100];
+    uint16_t modifiers;
+    uint16_t imodifiers;
+    uint8_t fifo[16];
+    int fifopos, fifolen;
+    QEMUTimer *kbdtimer;
+};
+
+static void spitz_keyboard_sense_update(struct spitz_keyboard_s *s)
+{
+    int i;
+    uint16_t strobe, sense = 0;
+    for (i = 0; i < SPITZ_KEY_SENSE_NUM; i ++) {
+        strobe = s->keyrow[i] & s->strobe_state;
+        if (strobe) {
+            sense |= 1 << i;
+            if (!(s->sense_state & (1 << i)))
+                pxa2xx_gpio_set(s->cpu->gpio, spitz_gpio_key_sense[i], 1);
+        } else if (s->sense_state & (1 << i))
+            pxa2xx_gpio_set(s->cpu->gpio, spitz_gpio_key_sense[i], 0);
+    }
+
+    s->sense_state = sense;
+}
+
+static void spitz_keyboard_strobe(int line, int level,
+                struct spitz_keyboard_s *s)
+{
+    int i;
+    for (i = 0; i < SPITZ_KEY_STROBE_NUM; i ++)
+        if (spitz_gpio_key_strobe[i] == line) {
+            if (level)
+                s->strobe_state |= 1 << i;
+            else
+                s->strobe_state &= ~(1 << i);
+
+            spitz_keyboard_sense_update(s);
+            break;
+        }
+}
+
+static void spitz_keyboard_keydown(struct spitz_keyboard_s *s, int keycode)
+{
+    int spitz_keycode = s->keymap[keycode & 0x7f];
+    if (spitz_keycode == -1)
+        return;
+
+    /* Handle the additional keys */
+    if ((spitz_keycode >> 4) == SPITZ_KEY_SENSE_NUM) {
+        pxa2xx_gpio_set(s->cpu->gpio, spitz_gpiomap[spitz_keycode & 0xf],
+                        (keycode < 0x80) ^
+                        spitz_gpio_invert[spitz_keycode & 0xf]);
+        return;
+    }
+
+    if (keycode & 0x80)
+        s->keyrow[spitz_keycode >> 4] &= ~(1 << (spitz_keycode & 0xf));
+    else
+        s->keyrow[spitz_keycode >> 4] |= 1 << (spitz_keycode & 0xf);
+
+    spitz_keyboard_sense_update(s);
+}
+
+#define SHIFT	(1 << 7)
+#define CTRL	(1 << 8)
+#define FN	(1 << 9)
+
+#define QUEUE_KEY(c)	s->fifo[(s->fifopos + s->fifolen ++) & 0xf] = c
+
+static void spitz_keyboard_handler(struct spitz_keyboard_s *s, int keycode)
+{
+    uint16_t code;
+    int mapcode;
+    switch (keycode) {
+    case 0x2a:	/* Left Shift */
+        s->modifiers |= 1;
+        break;
+    case 0xaa:
+        s->modifiers &= ~1;
+        break;
+    case 0x36:	/* Right Shift */
+        s->modifiers |= 2;
+        break;
+    case 0xb6:
+        s->modifiers &= ~2;
+        break;
+    case 0x1d:	/* Control */
+        s->modifiers |= 4;
+        break;
+    case 0x9d:
+        s->modifiers &= ~4;
+        break;
+    case 0x38:	/* Alt */
+        s->modifiers |= 8;
+        break;
+    case 0xb8:
+        s->modifiers &= ~8;
+        break;
+    }
+
+    code = s->pre_map[mapcode = ((s->modifiers & 3) ?
+            (keycode | SHIFT) :
+            (keycode & ~SHIFT))];
+
+    if (code != mapcode) {
+#if 0
+        if ((code & SHIFT) && !(s->modifiers & 1))
+            QUEUE_KEY(0x2a | (keycode & 0x80));
+        if ((code & CTRL ) && !(s->modifiers & 4))
+            QUEUE_KEY(0x1d | (keycode & 0x80));
+        if ((code & FN   ) && !(s->modifiers & 8))
+            QUEUE_KEY(0x38 | (keycode & 0x80));
+        if ((code & FN   ) && (s->modifiers & 1))
+            QUEUE_KEY(0x2a | (~keycode & 0x80));
+        if ((code & FN   ) && (s->modifiers & 2))
+            QUEUE_KEY(0x36 | (~keycode & 0x80));
+#else
+        if (keycode & 0x80) {
+            if ((s->imodifiers & 1   ) && !(s->modifiers & 1))
+                QUEUE_KEY(0x2a | 0x80);
+            if ((s->imodifiers & 4   ) && !(s->modifiers & 4))
+                QUEUE_KEY(0x1d | 0x80);
+            if ((s->imodifiers & 8   ) && !(s->modifiers & 8))
+                QUEUE_KEY(0x38 | 0x80);
+            if ((s->imodifiers & 0x10) && (s->modifiers & 1))
+                QUEUE_KEY(0x2a);
+            if ((s->imodifiers & 0x20) && (s->modifiers & 2))
+                QUEUE_KEY(0x36);
+            s->imodifiers = 0;
+        } else {
+            if ((code & SHIFT) && !((s->modifiers | s->imodifiers) & 1)) {
+                QUEUE_KEY(0x2a);
+                s->imodifiers |= 1;
+            }
+            if ((code & CTRL ) && !((s->modifiers | s->imodifiers) & 4)) {
+                QUEUE_KEY(0x1d);
+                s->imodifiers |= 4;
+            }
+            if ((code & FN   ) && !((s->modifiers | s->imodifiers) & 8)) {
+                QUEUE_KEY(0x38);
+                s->imodifiers |= 8;
+            }
+            if ((code & FN   ) && (s->modifiers & 1) &&
+                            !(s->imodifiers & 0x10)) {
+                QUEUE_KEY(0x2a | 0x80);
+                s->imodifiers |= 0x10;
+            }
+            if ((code & FN   ) && (s->modifiers & 2) &&
+                            !(s->imodifiers & 0x20)) {
+                QUEUE_KEY(0x36 | 0x80);
+                s->imodifiers |= 0x20;
+            }
+        }
+#endif
+    }
+
+    QUEUE_KEY((code & 0x7f) | (keycode & 0x80));
+}
+
+static void spitz_keyboard_tick(void *opaque)
+{
+    struct spitz_keyboard_s *s = (struct spitz_keyboard_s *) opaque;
+
+    if (s->fifolen) {
+        spitz_keyboard_keydown(s, s->fifo[s->fifopos ++]);
+        s->fifolen --;
+        if (s->fifopos >= 16)
+            s->fifopos = 0;
+    }
+
+    qemu_mod_timer(s->kbdtimer, qemu_get_clock(vm_clock) + ticks_per_sec / 32);
+}
+
+static void spitz_keyboard_pre_map(struct spitz_keyboard_s *s)
+{
+    int i;
+    for (i = 0; i < 0x100; i ++)
+        s->pre_map[i] = i;
+    s->pre_map[0x02 | SHIFT	] = 0x02 | SHIFT;	/* exclam */
+    s->pre_map[0x28 | SHIFT	] = 0x03 | SHIFT;	/* quotedbl */
+    s->pre_map[0x04 | SHIFT	] = 0x04 | SHIFT;	/* numbersign */
+    s->pre_map[0x05 | SHIFT	] = 0x05 | SHIFT;	/* dollar */
+    s->pre_map[0x06 | SHIFT	] = 0x06 | SHIFT;	/* percent */
+    s->pre_map[0x08 | SHIFT	] = 0x07 | SHIFT;	/* ampersand */
+    s->pre_map[0x28		] = 0x08 | SHIFT;	/* apostrophe */
+    s->pre_map[0x0a | SHIFT	] = 0x09 | SHIFT;	/* parenleft */
+    s->pre_map[0x0b | SHIFT	] = 0x0a | SHIFT;	/* parenright */
+    s->pre_map[0x29 | SHIFT	] = 0x0b | SHIFT;	/* asciitilde */
+    s->pre_map[0x03 | SHIFT	] = 0x0c | SHIFT;	/* at */
+    s->pre_map[0xd3		] = 0x0e | FN;		/* Delete */
+    s->pre_map[0x3a		] = 0x0f | FN;		/* Caps_Lock */
+    s->pre_map[0x07 | SHIFT	] = 0x11 | FN;		/* asciicircum */
+    s->pre_map[0x0d		] = 0x12 | FN;		/* equal */
+    s->pre_map[0x0d | SHIFT	] = 0x13 | FN;		/* plus */
+    s->pre_map[0x1a		] = 0x14 | FN;		/* bracketleft */
+    s->pre_map[0x1b		] = 0x15 | FN;		/* bracketright */
+    s->pre_map[0x27		] = 0x22 | FN;		/* semicolon */
+    s->pre_map[0x27 | SHIFT	] = 0x23 | FN;		/* colon */
+    s->pre_map[0x09 | SHIFT	] = 0x24 | FN;		/* asterisk */
+    s->pre_map[0x2b		] = 0x25 | FN;		/* backslash */
+    s->pre_map[0x2b | SHIFT	] = 0x26 | FN;		/* bar */
+    s->pre_map[0x0c | SHIFT	] = 0x30 | FN;		/* underscore */
+    s->pre_map[0x35		] = 0x33 | SHIFT;	/* slash */
+    s->pre_map[0x35 | SHIFT	] = 0x34 | SHIFT;	/* question */
+    s->pre_map[0x49		] = 0x48 | FN;		/* Page_Up */
+    s->pre_map[0x51		] = 0x50 | FN;		/* Page_Down */
+
+    s->modifiers = 0;
+    s->imodifiers = 0;
+    s->fifopos = 0;
+    s->fifolen = 0;
+    s->kbdtimer = qemu_new_timer(vm_clock, spitz_keyboard_tick, s);
+    spitz_keyboard_tick(s);
+}
+
+#undef SHIFT
+#undef CTRL
+#undef FN
+
+static void spitz_keyboard_register(struct pxa2xx_state_s *cpu)
+{
+    int i, j;
+    struct spitz_keyboard_s *s;
+
+    s = (struct spitz_keyboard_s *)
+            qemu_mallocz(sizeof(struct spitz_keyboard_s));
+    memset(s, 0, sizeof(struct spitz_keyboard_s));
+    s->cpu = cpu;
+
+    for (i = 0; i < 0x80; i ++)
+        s->keymap[i] = -1;
+    for (i = 0; i < SPITZ_KEY_SENSE_NUM + 1; i ++)
+        for (j = 0; j < SPITZ_KEY_STROBE_NUM; j ++)
+            if (spitz_keymap[i][j] != -1)
+                s->keymap[spitz_keymap[i][j]] = (i << 4) | j;
+
+    for (i = 0; i < SPITZ_KEY_STROBE_NUM; i ++)
+        pxa2xx_gpio_handler_set(cpu->gpio, spitz_gpio_key_strobe[i],
+                        (gpio_handler_t) spitz_keyboard_strobe, s);
+
+    spitz_keyboard_pre_map(s);
+    qemu_add_kbd_event_handler((QEMUPutKBDEvent *) spitz_keyboard_handler, s);
+}
+
+/* SCOOP devices */
+
+struct scoop_info_s {
+    target_phys_addr_t target_base;
+    uint16_t status;
+    uint16_t power;
+    uint32_t gpio_level;
+    uint32_t gpio_dir;
+    uint32_t prev_level;
+    struct {
+        gpio_handler_t fn;
+        void *opaque;
+    } handler[16];
+
+    uint16_t mcr;
+    uint16_t cdr;
+    uint16_t ccr;
+    uint16_t irr;
+    uint16_t imr;
+    uint16_t isr;
+    uint16_t gprr;
+};
+
+#define SCOOP_MCR	0x00
+#define SCOOP_CDR	0x04
+#define SCOOP_CSR	0x08
+#define SCOOP_CPR	0x0c
+#define SCOOP_CCR	0x10
+#define SCOOP_IRR_IRM	0x14
+#define SCOOP_IMR	0x18
+#define SCOOP_ISR	0x1c
+#define SCOOP_GPCR	0x20
+#define SCOOP_GPWR	0x24
+#define SCOOP_GPRR	0x28
+
+static inline void scoop_gpio_handler_update(struct scoop_info_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;
+        if (s->handler[bit].fn)
+            s->handler[bit].fn(bit, (level >> bit) & 1,
+                            s->handler[bit].opaque);
+    }
+
+    s->prev_level = level;
+}
+
+static uint32_t scoop_readb(void *opaque, target_phys_addr_t addr)
+{
+    struct scoop_info_s *s = (struct scoop_info_s *) opaque;
+    addr -= s->target_base;
+
+    switch (addr) {
+    case SCOOP_MCR:
+        return s->mcr;
+    case SCOOP_CDR:
+        return s->cdr;
+    case SCOOP_CSR:
+        return s->status;
+    case SCOOP_CPR:
+        return s->power;
+    case SCOOP_CCR:
+        return s->ccr;
+    case SCOOP_IRR_IRM:
+        return s->irr;
+    case SCOOP_IMR:
+        return s->imr;
+    case SCOOP_ISR:
+        return s->isr;
+    case SCOOP_GPCR:
+        return s->gpio_dir;
+    case SCOOP_GPWR:
+        return s->gpio_level;
+    case SCOOP_GPRR:
+        return s->gprr;
+    default:
+        spitz_printf("Bad register offset " REG_FMT "\n", addr);
+    }
+
+    return 0;
+}
+
+static void scoop_writeb(void *opaque, target_phys_addr_t addr, uint32_t value)
+{
+    struct scoop_info_s *s = (struct scoop_info_s *) opaque;
+    addr -= s->target_base;
+    value &= 0xffff;
+
+    switch (addr) {
+    case SCOOP_MCR:
+        s->mcr = value;
+        break;
+    case SCOOP_CDR:
+        s->cdr = value;
+        break;
+    case SCOOP_CPR:
+        s->power = value;
+        if (value & 0x80)
+            s->power |= 0x8040;
+        break;
+    case SCOOP_CCR:
+        s->ccr = value;
+        break;
+    case SCOOP_IRR_IRM:
+        s->irr = value;
+        break;
+    case SCOOP_IMR:
+        s->imr = value;
+        break;
+    case SCOOP_ISR:
+        s->isr = value;
+        break;
+    case SCOOP_GPCR:
+        s->gpio_dir = value;
+        scoop_gpio_handler_update(s);
+        break;
+    case SCOOP_GPWR:
+        s->gpio_level = value & s->gpio_dir;
+        scoop_gpio_handler_update(s);
+        break;
+    case SCOOP_GPRR:
+        s->gprr = value;
+        break;
+    default:
+        spitz_printf("Bad register offset " REG_FMT "\n", addr);
+    }
+}
+
+CPUReadMemoryFunc *scoop_readfn[] = {
+    scoop_readb,
+    scoop_readb,
+    scoop_readb,
+};
+CPUWriteMemoryFunc *scoop_writefn[] = {
+    scoop_writeb,
+    scoop_writeb,
+    scoop_writeb,
+};
+
+static inline void scoop_gpio_set(struct scoop_info_s *s, int line, int level)
+{
+    if (line >= 16) {
+        spitz_printf("No GPIO pin %i\n", line);
+        return;
+    }
+
+    if (level)
+        s->gpio_level |= (1 << line);
+    else
+        s->gpio_level &= ~(1 << line);
+}
+
+static inline void scoop_gpio_handler_set(struct scoop_info_s *s, int line,
+                gpio_handler_t handler, void *opaque) {
+    if (line >= 16) {
+        spitz_printf("No GPIO pin %i\n", line);
+        return;
+    }
+
+    s->handler[line].fn = handler;
+    s->handler[line].opaque = opaque;
+}
+
+static struct scoop_info_s *spitz_scoop_init(struct pxa2xx_state_s *cpu,
+                int count) {
+    int iomemtype;
+    struct scoop_info_s *s;
+
+    s = (struct scoop_info_s *)
+            qemu_mallocz(sizeof(struct scoop_info_s) * 2);
+    memset(s, 0, sizeof(struct scoop_info_s) * count);
+    s[0].target_base = 0x10800000;
+    s[1].target_base = 0x08800040;
+
+    /* Ready */
+    s[0].status = 0x02;
+    s[1].status = 0x02;
+
+    iomemtype = cpu_register_io_memory(0, scoop_readfn,
+                    scoop_writefn, &s[0]);
+    cpu_register_physical_memory(s[0].target_base, 0xfff, iomemtype);
+
+    if (count < 2)
+        return s;
+
+    iomemtype = cpu_register_io_memory(0, scoop_readfn,
+                    scoop_writefn, &s[1]);
+    cpu_register_physical_memory(s[1].target_base, 0xfff, iomemtype);
+
+    return s;
+}
+
+/* LCD backlight controller */
+
+#define LCDTG_RESCTL	0x00
+#define LCDTG_PHACTRL	0x01
+#define LCDTG_DUTYCTRL	0x02
+#define LCDTG_POWERREG0	0x03
+#define LCDTG_POWERREG1	0x04
+#define LCDTG_GPOR3	0x05
+#define LCDTG_PICTRL	0x06
+#define LCDTG_POLCTRL	0x07
+
+static int bl_intensity, bl_power;
+
+static void spitz_bl_update(struct pxa2xx_state_s *s)
+{
+    if (bl_power && bl_intensity)
+        spitz_printf("LCD Backlight now at %i/63\n", bl_intensity);
+    else
+        spitz_printf("LCD Backlight now off\n");
+}
+
+static void spitz_bl_bit5(int line, int level, void *opaque)
+{
+    int prev = bl_intensity;
+
+    if (level)
+        bl_intensity &= ~0x20;
+    else
+        bl_intensity |= 0x20;
+
+    if (bl_power && prev != bl_intensity)
+        spitz_bl_update((struct pxa2xx_state_s *) opaque);
+}
+
+static void spitz_bl_power(int line, int level, void *opaque)
+{
+    bl_power = !!level;
+    spitz_bl_update((struct pxa2xx_state_s *) opaque);
+}
+
+static void spitz_lcdtg_dac_put(void *opaque, uint8_t cmd)
+{
+    int addr, value;
+    addr = cmd >> 5;
+    value = cmd & 0x1f;
+
+    switch (addr) {
+    case LCDTG_RESCTL:
+        if (value)
+            spitz_printf("LCD in QVGA mode\n");
+        else
+            spitz_printf("LCD in VGA mode\n");
+        break;
+
+    case LCDTG_DUTYCTRL:
+        bl_intensity &= ~0x1f;
+        bl_intensity |= value;
+        if (bl_power)
+            spitz_bl_update((struct pxa2xx_state_s *) opaque);
+        break;
+
+    case LCDTG_POWERREG0:
+        /* Set common voltage to M62332FP */
+        break;
+    }
+}
+
+/* SSP devices */
+
+#define CORGI_SSP_PORT		2
+
+#define SPITZ_GPIO_LCDCON_CS	53
+#define SPITZ_GPIO_ADS7846_CS	14
+#define SPITZ_GPIO_MAX1111_CS	20
+#define SPITZ_GPIO_TP_INT	11
+
+static int lcd_en, ads_en, max_en;
+static struct max111x_s *max1111;
+static struct ads7846_state_s *ads7846;
+
+/* "Demux" the signal based on current chipselect */
+static uint32_t corgi_ssp_read(void *opaque)
+{
+    if (lcd_en)
+        return 0;
+    if (ads_en)
+        return ads7846_read(ads7846);
+    if (max_en)
+        return max111x_read(max1111);
+    return 0;
+}
+
+static void corgi_ssp_write(void *opaque, uint32_t value)
+{
+    if (lcd_en)
+        spitz_lcdtg_dac_put(opaque, value);
+    if (ads_en)
+        ads7846_write(ads7846, value);
+    if (max_en)
+        max111x_write(max1111, value);
+}
+
+static void corgi_ssp_gpio_cs(int line, int level, struct pxa2xx_state_s *s)
+{
+    if (line == SPITZ_GPIO_LCDCON_CS)
+        lcd_en = !level;
+    else if (line == SPITZ_GPIO_ADS7846_CS)
+        ads_en = !level;
+    else if (line == SPITZ_GPIO_MAX1111_CS)
+        max_en = !level;
+}
+
+#define MAX1111_BATT_VOLT	1
+#define MAX1111_BATT_TEMP	2
+#define MAX1111_ACIN_VOLT	3
+
+#define SPITZ_BATTERY_TEMP	0xe0	/* About 2.9V */
+#define SPITZ_BATTERY_VOLT	0xd0	/* About 4.0V */
+#define SPITZ_CHARGEON_ACIN	0x80	/* About 5.0V */
+
+static void spitz_adc_temp_on(int line, int level, void *opaque)
+{
+    if (!max1111)
+        return;
+
+    if (level)
+        max111x_set_input(max1111, MAX1111_BATT_TEMP, SPITZ_BATTERY_TEMP);
+    else
+        max111x_set_input(max1111, MAX1111_BATT_TEMP, 0);
+}
+
+static void spitz_pendown_set(void *opaque, int line, int level)
+{
+    struct pxa2xx_state_s *cpu = (struct pxa2xx_state_s *) opaque;
+    pxa2xx_gpio_set(cpu->gpio, SPITZ_GPIO_TP_INT, level);
+}
+
+static void spitz_ssp_attach(struct pxa2xx_state_s *cpu)
+{
+    lcd_en = ads_en = max_en = 0;
+
+    ads7846 = ads7846_init(qemu_allocate_irqs(spitz_pendown_set, cpu, 1)[0]);
+
+    max1111 = max1111_init(0);
+    max111x_set_input(max1111, MAX1111_BATT_VOLT, SPITZ_BATTERY_VOLT);
+    max111x_set_input(max1111, MAX1111_BATT_TEMP, 0);
+    max111x_set_input(max1111, MAX1111_ACIN_VOLT, SPITZ_CHARGEON_ACIN);
+
+    pxa2xx_ssp_attach(cpu->ssp[CORGI_SSP_PORT - 1], corgi_ssp_read,
+                    corgi_ssp_write, cpu);
+
+    pxa2xx_gpio_handler_set(cpu->gpio, SPITZ_GPIO_LCDCON_CS,
+                    (gpio_handler_t) corgi_ssp_gpio_cs, cpu);
+    pxa2xx_gpio_handler_set(cpu->gpio, SPITZ_GPIO_ADS7846_CS,
+                    (gpio_handler_t) corgi_ssp_gpio_cs, cpu);
+    pxa2xx_gpio_handler_set(cpu->gpio, SPITZ_GPIO_MAX1111_CS,
+                    (gpio_handler_t) corgi_ssp_gpio_cs, cpu);
+
+    bl_intensity = 0x20;
+    bl_power = 0;
+}
+
+/* CF Microdrive */
+
+static void spitz_microdrive_attach(struct pxa2xx_state_s *cpu)
+{
+    struct pcmcia_card_s *md;
+    BlockDriverState *bs = bs_table[0];
+
+    if (bs && bdrv_is_inserted(bs) && !bdrv_is_removable(bs)) {
+        md = dscm1xxxx_init(bs);
+        pxa2xx_pcmcia_attach(cpu->pcmcia[0], md);
+    }
+}
+
+/* Other peripherals */
+
+static void spitz_charge_switch(int line, int level, void *opaque)
+{
+    spitz_printf("Charging %s.\n", level ? "off" : "on");
+}
+
+static void spitz_discharge_switch(int line, int level, void *opaque)
+{
+    spitz_printf("Discharging %s.\n", level ? "on" : "off");
+}
+
+static void spitz_greenled_switch(int line, int level, void *opaque)
+{
+    spitz_printf("Green LED %s.\n", level ? "on" : "off");
+}
+
+static void spitz_orangeled_switch(int line, int level, void *opaque)
+{
+    spitz_printf("Orange LED %s.\n", level ? "on" : "off");
+}
+
+#define SPITZ_SCP_LED_GREEN		1
+#define SPITZ_SCP_JK_B			2
+#define SPITZ_SCP_CHRG_ON		3
+#define SPITZ_SCP_MUTE_L		4
+#define SPITZ_SCP_MUTE_R		5
+#define SPITZ_SCP_CF_POWER		6
+#define SPITZ_SCP_LED_ORANGE		7
+#define SPITZ_SCP_JK_A			8
+#define SPITZ_SCP_ADC_TEMP_ON		9
+#define SPITZ_SCP2_IR_ON		1
+#define SPITZ_SCP2_AKIN_PULLUP		2
+#define SPITZ_SCP2_BACKLIGHT_CONT	7
+#define SPITZ_SCP2_BACKLIGHT_ON		8
+#define SPITZ_SCP2_MIC_BIAS		9
+
+static void spitz_scoop_gpio_setup(struct pxa2xx_state_s *cpu,
+                struct scoop_info_s *scp, int num)
+{
+    scoop_gpio_handler_set(&scp[0], SPITZ_SCP_CHRG_ON,
+                    spitz_charge_switch, cpu);
+    scoop_gpio_handler_set(&scp[0], SPITZ_SCP_JK_B,
+                    spitz_discharge_switch, cpu);
+    scoop_gpio_handler_set(&scp[0], SPITZ_SCP_LED_GREEN,
+                    spitz_greenled_switch, cpu);
+    scoop_gpio_handler_set(&scp[0], SPITZ_SCP_LED_ORANGE,
+                    spitz_orangeled_switch, cpu);
+
+    if (num >= 2) {
+        scoop_gpio_handler_set(&scp[1], SPITZ_SCP2_BACKLIGHT_CONT,
+                        spitz_bl_bit5, cpu);
+        scoop_gpio_handler_set(&scp[1], SPITZ_SCP2_BACKLIGHT_ON,
+                        spitz_bl_power, cpu);
+    }
+
+    scoop_gpio_handler_set(&scp[0], SPITZ_SCP_ADC_TEMP_ON,
+                    spitz_adc_temp_on, cpu);
+}
+
+#define SPITZ_GPIO_HSYNC		22
+#define SPITZ_GPIO_SD_DETECT		9
+#define SPITZ_GPIO_SD_WP		81
+#define SPITZ_GPIO_ON_RESET		89
+#define SPITZ_GPIO_BAT_COVER		90
+#define SPITZ_GPIO_CF1_IRQ		105
+#define SPITZ_GPIO_CF1_CD		94
+#define SPITZ_GPIO_CF2_IRQ		106
+#define SPITZ_GPIO_CF2_CD		93
+
+int spitz_hsync;
+
+static void spitz_lcd_hsync_handler(void *opaque)
+{
+    struct pxa2xx_state_s *cpu = (struct pxa2xx_state_s *) opaque;
+    pxa2xx_gpio_set(cpu->gpio, SPITZ_GPIO_HSYNC, spitz_hsync);
+    spitz_hsync ^= 1;
+}
+
+static void spitz_mmc_coverswitch_change(void *opaque, int in)
+{
+    struct pxa2xx_state_s *cpu = (struct pxa2xx_state_s *) opaque;
+    pxa2xx_gpio_set(cpu->gpio, SPITZ_GPIO_SD_DETECT, in);
+}
+
+static void spitz_mmc_writeprotect_change(void *opaque, int wp)
+{
+    struct pxa2xx_state_s *cpu = (struct pxa2xx_state_s *) opaque;
+    pxa2xx_gpio_set(cpu->gpio, SPITZ_GPIO_SD_WP, wp);
+}
+
+static void spitz_pcmcia_cb(void *opaque, int line, int level)
+{
+    struct pxa2xx_state_s *cpu = (struct pxa2xx_state_s *) opaque;
+    static const int gpio_map[] = {
+        SPITZ_GPIO_CF1_IRQ, SPITZ_GPIO_CF1_CD,
+        SPITZ_GPIO_CF2_IRQ, SPITZ_GPIO_CF2_CD,
+    };
+    pxa2xx_gpio_set(cpu->gpio, gpio_map[line], level);
+}
+
+static void spitz_gpio_setup(struct pxa2xx_state_s *cpu, int slots)
+{
+    qemu_irq *pcmcia_cb;
+    /*
+     * Bad hack: We toggle the LCD hsync GPIO on every GPIO status
+     * read to satisfy broken guests that poll-wait for hsync.
+     * Simulating a real hsync event would be less practical and
+     * wouldn't guarantee that a guest ever exits the loop.
+     */
+    spitz_hsync = 0;
+    pxa2xx_gpio_read_notifier(cpu->gpio, spitz_lcd_hsync_handler, cpu);
+    pxa2xx_lcd_vsync_cb(cpu->lcd, spitz_lcd_hsync_handler, cpu);
+
+    /* MMC/SD host */
+    pxa2xx_mmci_handlers(cpu->mmc, cpu, spitz_mmc_writeprotect_change,
+                    spitz_mmc_coverswitch_change);
+
+    /* Battery lock always closed */
+    pxa2xx_gpio_set(cpu->gpio, SPITZ_GPIO_BAT_COVER, 1);
+
+    /* Handle reset */
+    pxa2xx_gpio_handler_set(cpu->gpio, SPITZ_GPIO_ON_RESET, pxa2xx_reset, cpu);
+
+    /* PCMCIA signals: card's IRQ and Card-Detect */
+    pcmcia_cb = qemu_allocate_irqs(spitz_pcmcia_cb, cpu, slots * 2);
+    if (slots >= 1)
+        pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0], pcmcia_cb[0], pcmcia_cb[1]);
+    if (slots >= 2)
+        pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1], pcmcia_cb[2], pcmcia_cb[3]);
+
+    /* Initialise the screen rotation related signals */
+    spitz_gpio_invert[3] = 0;	/* Always open */
+    if (graphic_rotate) {	/* Tablet mode */
+        spitz_gpio_invert[4] = 0;
+    } else {			/* Portrait mode */
+        spitz_gpio_invert[4] = 1;
+    }
+    pxa2xx_gpio_set(cpu->gpio, SPITZ_GPIO_SWA, spitz_gpio_invert[3]);
+    pxa2xx_gpio_set(cpu->gpio, SPITZ_GPIO_SWB, spitz_gpio_invert[4]);
+}
+
+/* Write the bootloader parameters memory area.  */
+
+#define MAGIC_CHG(a, b, c, d)	((d << 24) | (c << 16) | (b << 8) | a)
+
+struct __attribute__ ((__packed__)) sl_param_info {
+    uint32_t comadj_keyword;
+    int32_t comadj;
+
+    uint32_t uuid_keyword;
+    char uuid[16];
+
+    uint32_t touch_keyword;
+    int32_t touch_xp;
+    int32_t touch_yp;
+    int32_t touch_xd;
+    int32_t touch_yd;
+
+    uint32_t adadj_keyword;
+    int32_t adadj;
+
+    uint32_t phad_keyword;
+    int32_t phadadj;
+} spitz_bootparam = {
+    .comadj_keyword	= MAGIC_CHG('C', 'M', 'A', 'D'),
+    .comadj		= 125,
+    .uuid_keyword	= MAGIC_CHG('U', 'U', 'I', 'D'),
+    .uuid		= { -1 },
+    .touch_keyword	= MAGIC_CHG('T', 'U', 'C', 'H'),
+    .touch_xp		= -1,
+    .adadj_keyword	= MAGIC_CHG('B', 'V', 'A', 'D'),
+    .adadj		= -1,
+    .phad_keyword	= MAGIC_CHG('P', 'H', 'A', 'D'),
+    .phadadj		= 0x01,
+};
+
+static void sl_bootparam_write(uint32_t ptr)
+{
+    memcpy(phys_ram_base + ptr, &spitz_bootparam,
+                    sizeof(struct sl_param_info));
+}
+
+#define SL_PXA_PARAM_BASE	0xa0000a00
+
+/* Board init.  */
+enum spitz_model_e { spitz, akita, borzoi, terrier };
+
+static void spitz_common_init(int ram_size, int vga_ram_size,
+                DisplayState *ds, const char *kernel_filename,
+                const char *kernel_cmdline, const char *initrd_filename,
+                enum spitz_model_e model, int arm_id)
+{
+    uint32_t spitz_ram = 0x04000000;
+    uint32_t spitz_rom = 0x00800000;
+    struct pxa2xx_state_s *cpu;
+    struct scoop_info_s *scp;
+
+    cpu = pxa270_init(ds, (model == terrier) ? "c5" : "c0");
+
+    /* Setup memory */
+    if (ram_size < spitz_ram + spitz_rom) {
+        fprintf(stderr, "This platform requires %i bytes of memory\n",
+                        spitz_ram + spitz_rom);
+        exit(1);
+    }
+    cpu_register_physical_memory(PXA2XX_RAM_BASE, spitz_ram, IO_MEM_RAM);
+
+    sl_flash_register(cpu, (model == spitz) ? FLASH_128M : FLASH_1024M);
+
+    cpu_register_physical_memory(0, spitz_rom, spitz_ram | IO_MEM_ROM);
+
+    /* Setup peripherals */
+    spitz_keyboard_register(cpu);
+
+    spitz_ssp_attach(cpu);
+
+    scp = spitz_scoop_init(cpu, (model == akita) ? 1 : 2);
+
+    spitz_scoop_gpio_setup(cpu, scp, (model == akita) ? 1 : 2);
+
+    spitz_gpio_setup(cpu, (model == akita) ? 1 : 2);
+
+    if (model == terrier)
+        /* A 6.0 GB microdrive is permanently sitting in CF slot 0.  */
+        spitz_microdrive_attach(cpu);
+    else if (model != akita)
+        /* A 4.0 GB microdrive is permanently sitting in CF slot 0.  */
+        spitz_microdrive_attach(cpu);
+
+    /* Setup initial (reset) machine state */
+    cpu->env->regs[15] = PXA2XX_RAM_BASE;
+
+    arm_load_kernel(cpu->env, ram_size, kernel_filename, kernel_cmdline,
+                    initrd_filename, arm_id);
+    sl_bootparam_write(SL_PXA_PARAM_BASE - PXA2XX_RAM_BASE);
+}
+
+static void spitz_init(int ram_size, int vga_ram_size, int boot_device,
+                DisplayState *ds, const char **fd_filename, int snapshot,
+                const char *kernel_filename, const char *kernel_cmdline,
+                const char *initrd_filename, const char *cpu_model)
+{
+    spitz_common_init(ram_size, vga_ram_size, ds, kernel_filename,
+                kernel_cmdline, initrd_filename, spitz, 0x2c9);
+}
+
+static void borzoi_init(int ram_size, int vga_ram_size, int boot_device,
+                DisplayState *ds, const char **fd_filename, int snapshot,
+                const char *kernel_filename, const char *kernel_cmdline,
+                const char *initrd_filename, const char *cpu_model)
+{
+    spitz_common_init(ram_size, vga_ram_size, ds, kernel_filename,
+                kernel_cmdline, initrd_filename, borzoi, 0x33f);
+}
+
+static void akita_init(int ram_size, int vga_ram_size, int boot_device,
+                DisplayState *ds, const char **fd_filename, int snapshot,
+                const char *kernel_filename, const char *kernel_cmdline,
+                const char *initrd_filename, const char *cpu_model)
+{
+    spitz_common_init(ram_size, vga_ram_size, ds, kernel_filename,
+                kernel_cmdline, initrd_filename, akita, 0x2e8);
+}
+
+static void terrier_init(int ram_size, int vga_ram_size, int boot_device,
+                DisplayState *ds, const char **fd_filename, int snapshot,
+                const char *kernel_filename, const char *kernel_cmdline,
+                const char *initrd_filename, const char *cpu_model)
+{
+    spitz_common_init(ram_size, vga_ram_size, ds, kernel_filename,
+                kernel_cmdline, initrd_filename, terrier, 0x33f);
+}
+
+QEMUMachine akitapda_machine = {
+    "akita",
+    "Akita PDA (PXA270)",
+    akita_init,
+};
+
+QEMUMachine spitzpda_machine = {
+    "spitz",
+    "Spitz PDA (PXA270)",
+    spitz_init,
+};
+
+QEMUMachine borzoipda_machine = {
+    "borzoi",
+    "Borzoi PDA (PXA270)",
+    borzoi_init,
+};
+
+QEMUMachine terrierpda_machine = {
+    "terrier",
+    "Terrier PDA (PXA270)",
+    terrier_init,
+};