}
if (!speed)
speed = 100000;
- ret = spi_set_speed_mode(bus, speed, slave->mode);
- if (ret)
- return ret;
+ if (speed != slave->speed) {
+ ret = spi_set_speed_mode(bus, speed, slave->mode);
+ if (ret)
+ return ret;
+ slave->speed = speed;
+ }
return ops->claim_bus ? ops->claim_bus(dev) : 0;
}
return spi_get_ops(bus)->xfer(dev, bitlen, dout, din, flags);
}
-int spi_post_bind(struct udevice *dev)
+static int spi_post_bind(struct udevice *dev)
{
/* Scan the bus for devices */
return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
}
-int spi_child_post_bind(struct udevice *dev)
+static int spi_child_post_bind(struct udevice *dev)
{
struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev);
return spi_slave_ofdata_to_platdata(gd->fdt_blob, dev->of_offset, plat);
}
-int spi_post_probe(struct udevice *bus)
+static int spi_post_probe(struct udevice *bus)
{
struct dm_spi_bus *spi = dev_get_uclass_priv(bus);
spi->max_hz = fdtdec_get_int(gd->fdt_blob, bus->of_offset,
"spi-max-frequency", 0);
+#if defined(CONFIG_NEEDS_MANUAL_RELOC)
+ struct dm_spi_ops *ops = spi_get_ops(bus);
+
+
+ if (ops->claim_bus)
+ ops->claim_bus += gd->reloc_off;
+ if (ops->release_bus)
+ ops->release_bus += gd->reloc_off;
+ if (ops->set_wordlen)
+ ops->set_wordlen += gd->reloc_off;
+ if (ops->xfer)
+ ops->xfer += gd->reloc_off;
+ if (ops->set_speed)
+ ops->set_speed += gd->reloc_off;
+ if (ops->set_mode)
+ ops->set_mode += gd->reloc_off;
+ if (ops->cs_info)
+ ops->cs_info += gd->reloc_off;
+#endif
+
return 0;
}
-int spi_child_pre_probe(struct udevice *dev)
+static int spi_child_pre_probe(struct udevice *dev)
{
struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev);
- struct spi_slave *slave = dev_get_parentdata(dev);
+ struct spi_slave *slave = dev_get_parent_priv(dev);
/*
* This is needed because we pass struct spi_slave around the place
slave->max_hz = plat->max_hz;
slave->mode = plat->mode;
+ slave->mode_rx = plat->mode_rx;
+ slave->wordlen = SPI_DEFAULT_WORDLEN;
return 0;
}
ret = device_probe(dev);
if (ret)
goto err;
- slave = dev_get_parentdata(dev);
+ slave = dev_get_parent_priv(dev);
slave->dev = dev;
}
goto err;
*busp = bus;
- *devp = dev_get_parentdata(dev);
+ *devp = dev_get_parent_priv(dev);
debug("%s: bus=%p, slave=%p\n", __func__, bus, *devp);
return 0;
ret = device_get_child_by_of_offset(bus, node, &dev);
if (ret)
return NULL;
- return dev_get_parentdata(dev);
+ return dev_get_parent_priv(dev);
}
/* Compatibility function - to be removed */
int spi_slave_ofdata_to_platdata(const void *blob, int node,
struct dm_spi_slave_platdata *plat)
{
- int mode = 0;
+ int mode = 0, mode_rx = 0;
+ int value;
plat->cs = fdtdec_get_int(blob, node, "reg", -1);
plat->max_hz = fdtdec_get_int(blob, node, "spi-max-frequency", 0);
mode |= SPI_CPHA;
if (fdtdec_get_bool(blob, node, "spi-cs-high"))
mode |= SPI_CS_HIGH;
+ if (fdtdec_get_bool(blob, node, "spi-3wire"))
+ mode |= SPI_3WIRE;
if (fdtdec_get_bool(blob, node, "spi-half-duplex"))
mode |= SPI_PREAMBLE;
+
+ /* Device DUAL/QUAD mode */
+ value = fdtdec_get_uint(blob, node, "spi-tx-bus-width", 1);
+ switch (value) {
+ case 1:
+ break;
+ case 2:
+ mode |= SPI_TX_DUAL;
+ break;
+ case 4:
+ mode |= SPI_TX_QUAD;
+ break;
+ default:
+ error("spi-tx-bus-width %d not supported\n", value);
+ break;
+ }
+
plat->mode = mode;
+ value = fdtdec_get_uint(blob, node, "spi-rx-bus-width", 1);
+ switch (value) {
+ case 1:
+ break;
+ case 2:
+ mode_rx |= SPI_RX_DUAL;
+ break;
+ case 4:
+ mode_rx |= SPI_RX_QUAD;
+ break;
+ default:
+ error("spi-rx-bus-width %d not supported\n", value);
+ break;
+ }
+
+ plat->mode_rx = mode_rx;
+
return 0;
}