Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / cogent / serial.h

diff --git a/qemu/roms/u-boot/board/cogent/serial.h b/qemu/roms/u-boot/board/cogent/serial.h
new file mode 100644 (file)
index 0000000..89962d8
--- /dev/null
+++ b/qemu/roms/u-boot/board/cogent/serial.h
@@ -0,0 +1,15 @@
+/* Line Status Register bits */
+#define LSR_DR         0x01    /* Data ready */
+#define LSR_OE         0x02    /* Overrun */
+#define LSR_PE         0x04    /* Parity error */
+#define LSR_FE         0x08    /* Framing error */
+#define LSR_BI         0x10    /* Break */
+#define LSR_THRE       0x20    /* Xmit holding register empty */
+#define LSR_TEMT       0x40    /* Xmitter empty */
+#define LSR_ERR                0x80    /* Error */
+
+#define CLKRATE                3686400 /* cogent motherboard serial clk = 3.6864MHz */
+#define DEFDIV         1       /* default to 230400 bps */
+
+#define br_to_div(br)  (CLKRATE / (16 * (br)))
+#define div_to_br(div) (CLKRATE / (16 * (div)))