Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / tty / serial / sh-sci.h

diff --git a/kernel/drivers/tty/serial/sh-sci.h b/kernel/drivers/tty/serial/sh-sci.h
new file mode 100644 (file)
index 0000000..d5db81a
--- /dev/null
+++ b/kernel/drivers/tty/serial/sh-sci.h
@@ -0,0 +1,38 @@
+#include <linux/serial_core.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#define SCxSR_TEND(port)       (((port)->type == PORT_SCI) ? SCI_TEND   : SCIF_TEND)
+#define SCxSR_RDxF(port)       (((port)->type == PORT_SCI) ? SCI_RDRF   : SCIF_RDF)
+#define SCxSR_TDxE(port)       (((port)->type == PORT_SCI) ? SCI_TDRE   : SCIF_TDFE)
+#define SCxSR_FER(port)                (((port)->type == PORT_SCI) ? SCI_FER    : SCIF_FER)
+#define SCxSR_PER(port)                (((port)->type == PORT_SCI) ? SCI_PER    : SCIF_PER)
+#define SCxSR_BRK(port)                (((port)->type == PORT_SCI) ? 0x00       : SCIF_BRK)
+
+#define SCxSR_ERRORS(port)     (to_sci_port(port)->error_mask)
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+    defined(CONFIG_ARCH_SH73A0) || \
+    defined(CONFIG_ARCH_SH7372) || \
+    defined(CONFIG_ARCH_R8A7740)
+
+# define SCxSR_RDxF_CLEAR(port)         (serial_port_in(port, SCxSR) & 0xfffc)
+# define SCxSR_ERROR_CLEAR(port) (serial_port_in(port, SCxSR) & 0xfd73)
+# define SCxSR_TDxE_CLEAR(port)         (serial_port_in(port, SCxSR) & 0xffdf)
+# define SCxSR_BREAK_CLEAR(port) (serial_port_in(port, SCxSR) & 0xffe3)
+#else
+# define SCxSR_RDxF_CLEAR(port)         (((port)->type == PORT_SCI) ? 0xbc : 0x00fc)
+# define SCxSR_ERROR_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x0073)
+# define SCxSR_TDxE_CLEAR(port)  (((port)->type == PORT_SCI) ? 0x78 : 0x00df)
+# define SCxSR_BREAK_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x00e3)
+#endif
+
+/* SCFCR */
+#define SCFCR_RFRST 0x0002
+#define SCFCR_TFRST 0x0004
+#define SCFCR_MCE   0x0008
+
+#define SCI_MAJOR              204
+#define SCI_MINOR_START                8