#define SPI_CFS_OFFSET 12
/* Bit fields in SR, 7 bits */
-#define SR_MASK 0x7f /* cover 7 bits */
-#define SR_BUSY (1 << 0)
-#define SR_TF_NOT_FULL (1 << 1)
-#define SR_TF_EMPT (1 << 2)
-#define SR_RF_NOT_EMPT (1 << 3)
-#define SR_RF_FULL (1 << 4)
-#define SR_TX_ERR (1 << 5)
-#define SR_DCOL (1 << 6)
+#define SR_MASK GENMASK(6, 0) /* cover 7 bits */
+#define SR_BUSY BIT(0)
+#define SR_TF_NOT_FULL BIT(1)
+#define SR_TF_EMPT BIT(2)
+#define SR_RF_NOT_EMPT BIT(3)
+#define SR_RF_FULL BIT(4)
+#define SR_TX_ERR BIT(5)
+#define SR_DCOL BIT(6)
#define RX_TIMEOUT 1000 /* timeout in ms */
{
struct dw_spi_platdata *plat = bus->platdata;
const void *blob = gd->fdt_blob;
- int node = bus->of_offset;
+ int node = dev_of_offset(bus);
- plat->regs = (struct dw_spi *)fdtdec_get_addr(blob, node, "reg");
+ plat->regs = (struct dw_spi *)dev_get_addr(bus);
/* Use 500KHz as a suitable default */
plat->frequency = fdtdec_get_int(blob, node, "spi-max-frequency",
if (!priv->fifo_len) {
u32 fifo;
- for (fifo = 2; fifo <= 257; fifo++) {
+ for (fifo = 1; fifo < 256; fifo++) {
dw_writew(priv, DW_SPI_TXFLTR, fifo);
if (fifo != dw_readw(priv, DW_SPI_TXFLTR))
break;
}
- priv->fifo_len = (fifo == 257) ? 0 : fifo;
+ priv->fifo_len = (fifo == 1) ? 0 : fifo;
dw_writew(priv, DW_SPI_TXFLTR, 0);
}
debug("%s: fifo_len=%d\n", __func__, priv->fifo_len);
};
static const struct udevice_id dw_spi_ids[] = {
- { .compatible = "snps,dw-spi-mmio" },
+ { .compatible = "snps,dw-apb-ssi" },
{ }
};
.ofdata_to_platdata = dw_spi_ofdata_to_platdata,
.platdata_auto_alloc_size = sizeof(struct dw_spi_platdata),
.priv_auto_alloc_size = sizeof(struct dw_spi_priv),
- .per_child_auto_alloc_size = sizeof(struct spi_slave),
.probe = dw_spi_probe,
};