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authorPaul Brook <paul@codesourcery.com>2009-05-14 22:35:08 +0100
committerPaul Brook <paul@codesourcery.com>2009-05-14 22:35:08 +0100
commit0077147eab09ec56d27194cc1c6135f2b39ad652 (patch)
tree8feaa461cbf1ebb52bffa51bfa7dd84975df50e1 /hw/omap_i2c.c
parent1ea96673c611cdc05ea32ac81f40d9f864e18507 (diff)
Remove bogus omap i2c slave code
Signed-off-by: Paul Brook <paul@codesourcery.com>
Diffstat (limited to 'hw/omap_i2c.c')
-rw-r--r--hw/omap_i2c.c67
1 files changed, 0 insertions, 67 deletions
diff --git a/hw/omap_i2c.c b/hw/omap_i2c.c
index 258730b5ae..f98ac8d75b 100644
--- a/hw/omap_i2c.c
+++ b/hw/omap_i2c.c
@@ -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);