+/*
+ * QUART Expanders support
+ */
+#if defined(CONFIG_QUART_CONSOLE)
+/*
+ * We'll use NS16550 chip routines,
+ */
+#define CONFIG_SYS_NS16550 1
+#define CONFIG_SYS_NS16550_SERIAL 1
+#define CONFIG_CONS_INDEX 1
+/*
+ * To achieve necessary offset on SC16C554
+ * A0-A2 (register select) pins with NS16550
+ * functions (in struct NS16550), REG_SIZE
+ * should be 4, because A0-A2 pins are connected
+ * to DA2-DA4 address bus lines.
+ */
+#define CONFIG_SYS_NS16550_REG_SIZE 4
+/*
+ * LocalPlus Bus already inited in cpu_init_f(),
+ * so can work with QUART's chip selects.
+ * One of four SC16C554 UARTs is selected with
+ * A3-A4 (DA5-DA6) lines.
+ */
+#if (CONFIG_QUART_CONSOLE > 0) && (CONFIG_QUART_CONSOLE < 5) && !defined(CONFIG_PRS200)
+#define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_CS2_START | (CONFIG_QUART_CONSOLE - 1)<<5)
+#elif (CONFIG_QUART_CONSOLE > 4) && (CONFIG_QUART_CONSOLE < 9)
+#define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_CS1_START | (CONFIG_QUART_CONSOLE - 5)<<5)
+#else
+#error "Wrong QUART expander number."
+#endif
+
+/*
+ * SC16C554 chip's external crystal oscillator frequency
+ * is 7.3728 MHz
+ */
+#define CONFIG_SYS_NS16550_CLK 7372800
+#endif /* CONFIG_QUART_CONSOLE */