+ case 0:
+ return (struct i2c_regs *)CONFIG_SYS_I2C_BASE;
+ default:
+ printf("Wrong I2C-adapter number %d\n", adap->hwadapnr);
+ }
+
+ return NULL;
+}
+
+static unsigned int dw_i2c_set_bus_speed(struct i2c_adapter *adap,
+ unsigned int speed)
+{
+ adap->speed = speed;
+ return __dw_i2c_set_bus_speed(i2c_get_base(adap), NULL, speed);
+}
+
+static void dw_i2c_init(struct i2c_adapter *adap, int speed, int slaveaddr)
+{
+ __dw_i2c_init(i2c_get_base(adap), speed, slaveaddr);
+}
+
+static int dw_i2c_read(struct i2c_adapter *adap, u8 dev, uint addr,
+ int alen, u8 *buffer, int len)
+{
+ return __dw_i2c_read(i2c_get_base(adap), dev, addr, alen, buffer, len);
+}
+
+static int dw_i2c_write(struct i2c_adapter *adap, u8 dev, uint addr,
+ int alen, u8 *buffer, int len)
+{
+ return __dw_i2c_write(i2c_get_base(adap), dev, addr, alen, buffer, len);
+}
+
+/* dw_i2c_probe - Probe the i2c chip */
+static int dw_i2c_probe(struct i2c_adapter *adap, u8 dev)
+{
+ struct i2c_regs *i2c_base = i2c_get_base(adap);
+ u32 tmp;
+ int ret;
+
+ /*
+ * Try to read the first location of the chip.
+ */
+ ret = __dw_i2c_read(i2c_base, dev, 0, 1, (uchar *)&tmp, 1);
+ if (ret)
+ dw_i2c_init(adap, adap->speed, adap->slaveaddr);
+
+ return ret;
+}
+
+U_BOOT_I2C_ADAP_COMPLETE(dw_0, dw_i2c_init, dw_i2c_probe, dw_i2c_read,
+ dw_i2c_write, dw_i2c_set_bus_speed,
+ CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, 0)
+
+#if CONFIG_SYS_I2C_BUS_MAX >= 2
+U_BOOT_I2C_ADAP_COMPLETE(dw_1, dw_i2c_init, dw_i2c_probe, dw_i2c_read,
+ dw_i2c_write, dw_i2c_set_bus_speed,
+ CONFIG_SYS_I2C_SPEED1, CONFIG_SYS_I2C_SLAVE1, 1)