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Remove bogus omap i2c slave code

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Signed-off-by: Paul Brook <paul@codesourcery.com>
This commit is contained in:
Paul Brook 2009-05-14 22:35:08 +01:00
parent 1ea96673c6
commit 0077147eab
1 changed files with 0 additions and 67 deletions
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67
hw/omap_i2c.c
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@ -24,7 +24,6 @@
struct omap_i2c_s {
qemu_irq irq;
qemu_irq drq[2];
i2c_slave slave;
i2c_bus *bus;
uint8_t revision;
@ -55,65 +54,6 @@ static void omap_i2c_interrupts_update(struct omap_i2c_s *s)
qemu_set_irq(s->drq[1], (s->stat >> 4) & 1); /* XRDY */
}
/* These are only stubs now. */
static void omap_i2c_event(i2c_slave *i2c, enum i2c_event event)
{
struct omap_i2c_s *s = (struct omap_i2c_s *) i2c;
if ((~s->control >> 15) & 1) /* I2C_EN */
return;
switch (event) {
case I2C_START_SEND:
case I2C_START_RECV:
s->stat |= 1 << 9; /* AAS */
break;
case I2C_FINISH:
s->stat |= 1 << 2; /* ARDY */
break;
case I2C_NACK:
s->stat |= 1 << 1; /* NACK */
break;
}
omap_i2c_interrupts_update(s);
}
static int omap_i2c_rx(i2c_slave *i2c)
{
struct omap_i2c_s *s = (struct omap_i2c_s *) i2c;
uint8_t ret = 0;
if ((~s->control >> 15) & 1) /* I2C_EN */
return -1;
if (s->txlen)
ret = s->fifo >> ((-- s->txlen) << 3) & 0xff;
else
s->stat |= 1 << 10; /* XUDF */
s->stat |= 1 << 4; /* XRDY */
omap_i2c_interrupts_update(s);
return ret;
}
static int omap_i2c_tx(i2c_slave *i2c, uint8_t data)
{
struct omap_i2c_s *s = (struct omap_i2c_s *) i2c;
if ((~s->control >> 15) & 1) /* I2C_EN */
return 1;
if (s->rxlen < 4)
s->fifo |= data << ((s->rxlen ++) << 3);
else
s->stat |= 1 << 11; /* ROVR */
s->stat |= 1 << 3; /* RRDY */
omap_i2c_interrupts_update(s);
return 1;
}
static void omap_i2c_fifo_run(struct omap_i2c_s *s)
{
int ack = 1;
@ -406,7 +346,6 @@ static void omap_i2c_write(void *opaque, target_phys_addr_t addr,
case 0x28: /* I2C_OA */
s->addr[0] = value & 0x3ff;
i2c_set_slave_address(&s->slave, value & 0x7f);
break;
case 0x2c: /* I2C_SA */
@ -494,9 +433,6 @@ struct omap_i2c_s *omap_i2c_init(target_phys_addr_t base,
s->irq = irq;
s->drq[0] = dma[0];
s->drq[1] = dma[1];
s->slave.event = omap_i2c_event;
s->slave.recv = omap_i2c_rx;
s->slave.send = omap_i2c_tx;
s->bus = i2c_init_bus();
omap_i2c_reset(s);
@ -518,9 +454,6 @@ struct omap_i2c_s *omap2_i2c_init(struct omap_target_agent_s *ta,
s->irq = irq;
s->drq[0] = dma[0];
s->drq[1] = dma[1];
s->slave.event = omap_i2c_event;
s->slave.recv = omap_i2c_rx;
s->slave.send = omap_i2c_tx;
s->bus = i2c_init_bus();
omap_i2c_reset(s);