+
+#else /* CONFIG_DM_SPI */
+
+static void __ti_qspi_setup_memorymap(struct ti_qspi_priv *priv,
+ struct spi_slave *slave,
+ bool enable)
+{
+ u32 memval;
+ u32 mode = slave->mode & (SPI_RX_QUAD | SPI_RX_DUAL);
+
+ if (!enable) {
+ writel(0, &priv->base->setup0);
+ return;
+ }
+
+ memval = QSPI_SETUP0_NUM_A_BYTES | QSPI_CMD_WRITE | QSPI_NUM_DUMMY_BITS;
+
+ switch (mode) {
+ case SPI_RX_QUAD:
+ memval |= QSPI_CMD_READ_QUAD;
+ memval |= QSPI_SETUP0_NUM_D_BYTES_8_BITS;
+ memval |= QSPI_SETUP0_READ_QUAD;
+ slave->mode |= SPI_RX_QUAD;
+ break;
+ case SPI_RX_DUAL:
+ memval |= QSPI_CMD_READ_DUAL;
+ memval |= QSPI_SETUP0_NUM_D_BYTES_8_BITS;
+ memval |= QSPI_SETUP0_READ_DUAL;
+ break;
+ default:
+ memval |= QSPI_CMD_READ;
+ memval |= QSPI_SETUP0_NUM_D_BYTES_NO_BITS;
+ memval |= QSPI_SETUP0_READ_NORMAL;
+ break;
+ }
+
+ writel(memval, &priv->base->setup0);
+}
+
+
+static int ti_qspi_set_speed(struct udevice *bus, uint max_hz)
+{
+ struct ti_qspi_priv *priv = dev_get_priv(bus);
+
+ ti_spi_set_speed(priv, max_hz);
+
+ return 0;
+}
+
+static int ti_qspi_set_mode(struct udevice *bus, uint mode)
+{
+ struct ti_qspi_priv *priv = dev_get_priv(bus);
+ return __ti_qspi_set_mode(priv, mode);
+}
+
+static int ti_qspi_claim_bus(struct udevice *dev)
+{
+ struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev);
+ struct spi_slave *slave = dev_get_parent_priv(dev);
+ struct ti_qspi_priv *priv;
+ struct udevice *bus;
+
+ bus = dev->parent;
+ priv = dev_get_priv(bus);
+
+ if (slave_plat->cs > priv->num_cs) {
+ debug("invalid qspi chip select\n");
+ return -EINVAL;
+ }
+
+ __ti_qspi_setup_memorymap(priv, slave, true);
+
+ return __ti_qspi_claim_bus(priv, slave_plat->cs);
+}
+
+static int ti_qspi_release_bus(struct udevice *dev)
+{
+ struct spi_slave *slave = dev_get_parent_priv(dev);
+ struct ti_qspi_priv *priv;
+ struct udevice *bus;
+
+ bus = dev->parent;
+ priv = dev_get_priv(bus);
+
+ __ti_qspi_setup_memorymap(priv, slave, false);
+ __ti_qspi_release_bus(priv);
+
+ return 0;
+}
+
+static int ti_qspi_xfer(struct udevice *dev, unsigned int bitlen,
+ const void *dout, void *din, unsigned long flags)
+{
+ struct dm_spi_slave_platdata *slave = dev_get_parent_platdata(dev);
+ struct ti_qspi_priv *priv;
+ struct udevice *bus;
+
+ bus = dev->parent;
+ priv = dev_get_priv(bus);
+
+ if (slave->cs > priv->num_cs) {
+ debug("invalid qspi chip select\n");
+ return -EINVAL;
+ }
+
+ return __ti_qspi_xfer(priv, bitlen, dout, din, flags, slave->cs);
+}
+
+static int ti_qspi_probe(struct udevice *bus)
+{
+ struct ti_qspi_priv *priv = dev_get_priv(bus);
+
+ priv->fclk = dev_get_driver_data(bus);
+
+ return 0;
+}
+
+static void *map_syscon_chipselects(struct udevice *bus)
+{
+#if CONFIG_IS_ENABLED(SYSCON)
+ struct udevice *syscon;
+ struct regmap *regmap;
+ const fdt32_t *cell;
+ int len, err;
+
+ err = uclass_get_device_by_phandle(UCLASS_SYSCON, bus,
+ "syscon-chipselects", &syscon);
+ if (err) {
+ debug("%s: unable to find syscon device (%d)\n", __func__,
+ err);
+ return NULL;
+ }
+
+ regmap = syscon_get_regmap(syscon);
+ if (IS_ERR(regmap)) {
+ debug("%s: unable to find regmap (%ld)\n", __func__,
+ PTR_ERR(regmap));
+ return NULL;
+ }
+
+ cell = fdt_getprop(gd->fdt_blob, dev_of_offset(bus),
+ "syscon-chipselects", &len);
+ if (len < 2*sizeof(fdt32_t)) {
+ debug("%s: offset not available\n", __func__);
+ return NULL;
+ }
+
+ return fdtdec_get_number(cell + 1, 1) + regmap_get_range(regmap, 0);
+#else
+ fdt_addr_t addr;
+ addr = devfdt_get_addr_index(bus, 2);
+ return (addr == FDT_ADDR_T_NONE) ? NULL :
+ map_physmem(addr, 0, MAP_NOCACHE);
+#endif
+}
+
+static int ti_qspi_ofdata_to_platdata(struct udevice *bus)
+{
+ struct ti_qspi_priv *priv = dev_get_priv(bus);
+ const void *blob = gd->fdt_blob;
+ int node = dev_of_offset(bus);
+
+ priv->ctrl_mod_mmap = map_syscon_chipselects(bus);
+ priv->base = map_physmem(devfdt_get_addr(bus),
+ sizeof(struct ti_qspi_regs), MAP_NOCACHE);
+ priv->memory_map = map_physmem(devfdt_get_addr_index(bus, 1), 0,
+ MAP_NOCACHE);
+
+ priv->max_hz = fdtdec_get_int(blob, node, "spi-max-frequency", -1);
+ if (priv->max_hz < 0) {
+ debug("Error: Max frequency missing\n");
+ return -ENODEV;
+ }
+ priv->num_cs = fdtdec_get_int(blob, node, "num-cs", 4);
+
+ debug("%s: regs=<0x%x>, max-frequency=%d\n", __func__,
+ (int)priv->base, priv->max_hz);
+
+ return 0;
+}
+
+static int ti_qspi_child_pre_probe(struct udevice *dev)
+{
+ struct spi_slave *slave = dev_get_parent_priv(dev);
+ struct udevice *bus = dev_get_parent(dev);
+ struct ti_qspi_priv *priv = dev_get_priv(bus);
+
+ slave->memory_map = priv->memory_map;
+ return 0;
+}
+
+static const struct dm_spi_ops ti_qspi_ops = {
+ .claim_bus = ti_qspi_claim_bus,
+ .release_bus = ti_qspi_release_bus,
+ .xfer = ti_qspi_xfer,
+ .set_speed = ti_qspi_set_speed,
+ .set_mode = ti_qspi_set_mode,
+};
+
+static const struct udevice_id ti_qspi_ids[] = {
+ { .compatible = "ti,dra7xxx-qspi", .data = QSPI_DRA7XX_FCLK},
+ { .compatible = "ti,am4372-qspi", .data = QSPI_FCLK},
+ { }
+};
+
+U_BOOT_DRIVER(ti_qspi) = {
+ .name = "ti_qspi",
+ .id = UCLASS_SPI,
+ .of_match = ti_qspi_ids,
+ .ops = &ti_qspi_ops,
+ .ofdata_to_platdata = ti_qspi_ofdata_to_platdata,
+ .priv_auto_alloc_size = sizeof(struct ti_qspi_priv),
+ .probe = ti_qspi_probe,
+ .child_pre_probe = ti_qspi_child_pre_probe,
+};
+#endif /* CONFIG_DM_SPI */