hw/omap2.c : separate spi module

Signed-off-by: cmchao <cmchao@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

1 files changed, 0 insertions, 323 deletions

diff --git a/hw/omap2.c b/hw/omap2.c
index 0e78fc5062..47a3812045 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -29,329 +29,6 @@
 #include "soc_dma.h"
 #include "audio/audio.h"
 
-/* Multichannel SPI */
-struct omap_mcspi_s {
-    qemu_irq irq;
-    int chnum;
-
-    uint32_t sysconfig;
-    uint32_t systest;
-    uint32_t irqst;
-    uint32_t irqen;
-    uint32_t wken;
-    uint32_t control;
-
-    struct omap_mcspi_ch_s {
-        qemu_irq txdrq;
-        qemu_irq rxdrq;
-        uint32_t (*txrx)(void *opaque, uint32_t, int);
-        void *opaque;
-
-        uint32_t tx;
-        uint32_t rx;
-
-        uint32_t config;
-        uint32_t status;
-        uint32_t control;
-    } ch[4];
-};
-
-static inline void omap_mcspi_interrupt_update(struct omap_mcspi_s *s)
-{
-    qemu_set_irq(s->irq, s->irqst & s->irqen);
-}
-
-static inline void omap_mcspi_dmarequest_update(struct omap_mcspi_ch_s *ch)
-{
-    qemu_set_irq(ch->txdrq,
-                    (ch->control & 1) &&		/* EN */
-                    (ch->config & (1 << 14)) &&		/* DMAW */
-                    (ch->status & (1 << 1)) &&		/* TXS */
-                    ((ch->config >> 12) & 3) != 1);	/* TRM */
-    qemu_set_irq(ch->rxdrq,
-                    (ch->control & 1) &&		/* EN */
-                    (ch->config & (1 << 15)) &&		/* DMAW */
-                    (ch->status & (1 << 0)) &&		/* RXS */
-                    ((ch->config >> 12) & 3) != 2);	/* TRM */
-}
-
-static void omap_mcspi_transfer_run(struct omap_mcspi_s *s, int chnum)
-{
-    struct omap_mcspi_ch_s *ch = s->ch + chnum;
-
-    if (!(ch->control & 1))				/* EN */
-        return;
-    if ((ch->status & (1 << 0)) &&			/* RXS */
-                    ((ch->config >> 12) & 3) != 2 &&	/* TRM */
-                    !(ch->config & (1 << 19)))		/* TURBO */
-        goto intr_update;
-    if ((ch->status & (1 << 1)) &&			/* TXS */
-                    ((ch->config >> 12) & 3) != 1)	/* TRM */
-        goto intr_update;
-
-    if (!(s->control & 1) ||				/* SINGLE */
-                    (ch->config & (1 << 20))) {		/* FORCE */
-        if (ch->txrx)
-            ch->rx = ch->txrx(ch->opaque, ch->tx,	/* WL */
-                            1 + (0x1f & (ch->config >> 7)));
-    }
-
-    ch->tx = 0;
-    ch->status |= 1 << 2;				/* EOT */
-    ch->status |= 1 << 1;				/* TXS */
-    if (((ch->config >> 12) & 3) != 2)			/* TRM */
-        ch->status |= 1 << 0;				/* RXS */
-
-intr_update:
-    if ((ch->status & (1 << 0)) &&			/* RXS */
-                    ((ch->config >> 12) & 3) != 2 &&	/* TRM */
-                    !(ch->config & (1 << 19)))		/* TURBO */
-        s->irqst |= 1 << (2 + 4 * chnum);		/* RX_FULL */
-    if ((ch->status & (1 << 1)) &&			/* TXS */
-                    ((ch->config >> 12) & 3) != 1)	/* TRM */
-        s->irqst |= 1 << (0 + 4 * chnum);		/* TX_EMPTY */
-    omap_mcspi_interrupt_update(s);
-    omap_mcspi_dmarequest_update(ch);
-}
-
-static void omap_mcspi_reset(struct omap_mcspi_s *s)
-{
-    int ch;
-
-    s->sysconfig = 0;
-    s->systest = 0;
-    s->irqst = 0;
-    s->irqen = 0;
-    s->wken = 0;
-    s->control = 4;
-
-    for (ch = 0; ch < 4; ch ++) {
-        s->ch[ch].config = 0x060000;
-        s->ch[ch].status = 2;				/* TXS */
-        s->ch[ch].control = 0;
-
-        omap_mcspi_dmarequest_update(s->ch + ch);
-    }
-
-    omap_mcspi_interrupt_update(s);
-}
-
-static uint32_t omap_mcspi_read(void *opaque, target_phys_addr_t addr)
-{
-    struct omap_mcspi_s *s = (struct omap_mcspi_s *) opaque;
-    int ch = 0;
-    uint32_t ret;
-
-    switch (addr) {
-    case 0x00:	/* MCSPI_REVISION */
-        return 0x91;
-
-    case 0x10:	/* MCSPI_SYSCONFIG */
-        return s->sysconfig;
-
-    case 0x14:	/* MCSPI_SYSSTATUS */
-        return 1;					/* RESETDONE */
-
-    case 0x18:	/* MCSPI_IRQSTATUS */
-        return s->irqst;
-
-    case 0x1c:	/* MCSPI_IRQENABLE */
-        return s->irqen;
-
-    case 0x20:	/* MCSPI_WAKEUPENABLE */
-        return s->wken;
-
-    case 0x24:	/* MCSPI_SYST */
-        return s->systest;
-
-    case 0x28:	/* MCSPI_MODULCTRL */
-        return s->control;
-
-    case 0x68: ch ++;
-    case 0x54: ch ++;
-    case 0x40: ch ++;
-    case 0x2c:	/* MCSPI_CHCONF */
-        return s->ch[ch].config;
-
-    case 0x6c: ch ++;
-    case 0x58: ch ++;
-    case 0x44: ch ++;
-    case 0x30:	/* MCSPI_CHSTAT */
-        return s->ch[ch].status;
-
-    case 0x70: ch ++;
-    case 0x5c: ch ++;
-    case 0x48: ch ++;
-    case 0x34:	/* MCSPI_CHCTRL */
-        return s->ch[ch].control;
-
-    case 0x74: ch ++;
-    case 0x60: ch ++;
-    case 0x4c: ch ++;
-    case 0x38:	/* MCSPI_TX */
-        return s->ch[ch].tx;
-
-    case 0x78: ch ++;
-    case 0x64: ch ++;
-    case 0x50: ch ++;
-    case 0x3c:	/* MCSPI_RX */
-        s->ch[ch].status &= ~(1 << 0);			/* RXS */
-        ret = s->ch[ch].rx;
-        omap_mcspi_transfer_run(s, ch);
-        return ret;
-    }
-
-    OMAP_BAD_REG(addr);
-    return 0;
-}
-
-static void omap_mcspi_write(void *opaque, target_phys_addr_t addr,
-                uint32_t value)
-{
-    struct omap_mcspi_s *s = (struct omap_mcspi_s *) opaque;
-    int ch = 0;
-
-    switch (addr) {
-    case 0x00:	/* MCSPI_REVISION */
-    case 0x14:	/* MCSPI_SYSSTATUS */
-    case 0x30:	/* MCSPI_CHSTAT0 */
-    case 0x3c:	/* MCSPI_RX0 */
-    case 0x44:	/* MCSPI_CHSTAT1 */
-    case 0x50:	/* MCSPI_RX1 */
-    case 0x58:	/* MCSPI_CHSTAT2 */
-    case 0x64:	/* MCSPI_RX2 */
-    case 0x6c:	/* MCSPI_CHSTAT3 */
-    case 0x78:	/* MCSPI_RX3 */
-        OMAP_RO_REG(addr);
-        return;
-
-    case 0x10:	/* MCSPI_SYSCONFIG */
-        if (value & (1 << 1))				/* SOFTRESET */
-            omap_mcspi_reset(s);
-        s->sysconfig = value & 0x31d;
-        break;
-
-    case 0x18:	/* MCSPI_IRQSTATUS */
-        if (!((s->control & (1 << 3)) && (s->systest & (1 << 11)))) {
-            s->irqst &= ~value;
-            omap_mcspi_interrupt_update(s);
-        }
-        break;
-
-    case 0x1c:	/* MCSPI_IRQENABLE */
-        s->irqen = value & 0x1777f;
-        omap_mcspi_interrupt_update(s);
-        break;
-
-    case 0x20:	/* MCSPI_WAKEUPENABLE */
-        s->wken = value & 1;
-        break;
-
-    case 0x24:	/* MCSPI_SYST */
-        if (s->control & (1 << 3))			/* SYSTEM_TEST */
-            if (value & (1 << 11)) {			/* SSB */
-                s->irqst |= 0x1777f;
-                omap_mcspi_interrupt_update(s);
-            }
-        s->systest = value & 0xfff;
-        break;
-
-    case 0x28:	/* MCSPI_MODULCTRL */
-        if (value & (1 << 3))				/* SYSTEM_TEST */
-            if (s->systest & (1 << 11)) {		/* SSB */
-                s->irqst |= 0x1777f;
-                omap_mcspi_interrupt_update(s);
-            }
-        s->control = value & 0xf;
-        break;
-
-    case 0x68: ch ++;
-    case 0x54: ch ++;
-    case 0x40: ch ++;
-    case 0x2c:	/* MCSPI_CHCONF */
-        if ((value ^ s->ch[ch].config) & (3 << 14))	/* DMAR | DMAW */
-            omap_mcspi_dmarequest_update(s->ch + ch);
-        if (((value >> 12) & 3) == 3)			/* TRM */
-            fprintf(stderr, "%s: invalid TRM value (3)\n", __FUNCTION__);
-        if (((value >> 7) & 0x1f) < 3)			/* WL */
-            fprintf(stderr, "%s: invalid WL value (%i)\n",
-                            __FUNCTION__, (value >> 7) & 0x1f);
-        s->ch[ch].config = value & 0x7fffff;
-        break;
-
-    case 0x70: ch ++;
-    case 0x5c: ch ++;
-    case 0x48: ch ++;
-    case 0x34:	/* MCSPI_CHCTRL */
-        if (value & ~s->ch[ch].control & 1) {		/* EN */
-            s->ch[ch].control |= 1;
-            omap_mcspi_transfer_run(s, ch);
-        } else
-            s->ch[ch].control = value & 1;
-        break;
-
-    case 0x74: ch ++;
-    case 0x60: ch ++;
-    case 0x4c: ch ++;
-    case 0x38:	/* MCSPI_TX */
-        s->ch[ch].tx = value;
-        s->ch[ch].status &= ~(1 << 1);			/* TXS */
-        omap_mcspi_transfer_run(s, ch);
-        break;
-
-    default:
-        OMAP_BAD_REG(addr);
-        return;
-    }
-}
-
-static CPUReadMemoryFunc * const omap_mcspi_readfn[] = {
-    omap_badwidth_read32,
-    omap_badwidth_read32,
-    omap_mcspi_read,
-};
-
-static CPUWriteMemoryFunc * const omap_mcspi_writefn[] = {
-    omap_badwidth_write32,
-    omap_badwidth_write32,
-    omap_mcspi_write,
-};
-
-struct omap_mcspi_s *omap_mcspi_init(struct omap_target_agent_s *ta, int chnum,
-                qemu_irq irq, qemu_irq *drq, omap_clk fclk, omap_clk iclk)
-{
-    int iomemtype;
-    struct omap_mcspi_s *s = (struct omap_mcspi_s *)
-            qemu_mallocz(sizeof(struct omap_mcspi_s));
-    struct omap_mcspi_ch_s *ch = s->ch;
-
-    s->irq = irq;
-    s->chnum = chnum;
-    while (chnum --) {
-        ch->txdrq = *drq ++;
-        ch->rxdrq = *drq ++;
-        ch ++;
-    }
-    omap_mcspi_reset(s);
-
-    iomemtype = l4_register_io_memory(omap_mcspi_readfn,
-                    omap_mcspi_writefn, s);
-    omap_l4_attach(ta, 0, iomemtype);
-
-    return s;
-}
-
-void omap_mcspi_attach(struct omap_mcspi_s *s,
-                uint32_t (*txrx)(void *opaque, uint32_t, int), void *opaque,
-                int chipselect)
-{
-    if (chipselect < 0 || chipselect >= s->chnum)
-        hw_error("%s: Bad chipselect %i\n", __FUNCTION__, chipselect);
-
-    s->ch[chipselect].txrx = txrx;
-    s->ch[chipselect].opaque = opaque;
-}
-
 /* Enhanced Audio Controller (CODEC only) */
 struct omap_eac_s {
     qemu_irq irq;