diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 5178213..88a1be0 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -206,7 +206,10 @@
 
 #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
 
-#define DEFAULT_UARTCLK 1843200 /* 1.8432MHz */
+#define DEFAULT_UARTCLK   1843200 /*   1.8432 MHz */
+#define CMITC_UARTCLK   192000000 /* 192.0000 MHz */
+#define FRI2_64_UARTCLK  64000000 /*  64.0000 MHz */
+#define FRI2_48_UARTCLK  48000000 /*  48.0000 MHz */
 
 struct pch_uart_buffer {
 	unsigned char *buf;
@@ -364,6 +367,26 @@
 };
 #endif	/* CONFIG_DEBUG_FS */
 
+/* Return UART clock, checking for board specific clocks. */
+static int pch_uart_get_uartclk(void)
+{
+	const char *cmp;
+
+	cmp = dmi_get_system_info(DMI_BOARD_NAME);
+	if (cmp && strstr(cmp, "CM-iTC"))
+		return CMITC_UARTCLK;
+
+	cmp = dmi_get_system_info(DMI_BIOS_VERSION);
+	if (cmp && strnstr(cmp, "FRI2", 4))
+		return FRI2_64_UARTCLK;
+
+	cmp = dmi_get_system_info(DMI_PRODUCT_NAME);
+	if (cmp && strstr(cmp, "Fish River Island II"))
+		return FRI2_48_UARTCLK;
+
+	return DEFAULT_UARTCLK;
+}
+
 static void pch_uart_hal_enable_interrupt(struct eg20t_port *priv,
 					  unsigned int flag)
 {
@@ -1556,8 +1579,7 @@
 	if (!port || (!port->iobase && !port->membase))
 		return -ENODEV;
 
-	/* setup uartclock */
-	port->uartclk = DEFAULT_UARTCLK;
+	port->uartclk = pch_uart_get_uartclk();
 
 	if (options)
 		uart_parse_options(options, &baud, &parity, &bits, &flow);
@@ -1600,10 +1622,9 @@
 	unsigned int iobase;
 	unsigned int mapbase;
 	unsigned char *rxbuf;
-	int fifosize, uartclk;
+	int fifosize;
 	int port_type;
 	struct pch_uart_driver_data *board;
-	const char *board_name;
 	char name[32];	/* for debugfs file name */
 
 	board = &drv_dat[id->driver_data];
@@ -1617,13 +1638,6 @@
 	if (!rxbuf)
 		goto init_port_free_txbuf;
 
-	uartclk = DEFAULT_UARTCLK;
-
-	/* quirk for CM-iTC board */
-	board_name = dmi_get_system_info(DMI_BOARD_NAME);
-	if (board_name && strstr(board_name, "CM-iTC"))
-		uartclk = 192000000; /* 192.0MHz */
-
 	switch (port_type) {
 	case PORT_UNKNOWN:
 		fifosize = 256; /* EG20T/ML7213: UART0 */
@@ -1648,7 +1662,7 @@
 	priv->rxbuf.size = PAGE_SIZE;
 
 	priv->fifo_size = fifosize;
-	priv->uartclk = uartclk;
+	priv->uartclk = pch_uart_get_uartclk();
 	priv->port_type = PORT_MAX_8250 + port_type + 1;
 	priv->port.dev = &pdev->dev;
 	priv->port.iobase = iobase;