Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework

1 files changed, 468 insertions, 0 deletions

diff --git a/drivers/tty/serial/sh-sci.h b/drivers/tty/serial/sh-sci.h
new file mode 100644
index 000000000000..5fefed53fa42
--- /dev/null
+++ b/drivers/tty/serial/sh-sci.h
@@ -0,0 +1,468 @@
+#include <linux/serial_core.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#if defined(CONFIG_H83007) || defined(CONFIG_H83068)
+#include <asm/regs306x.h>
+#endif
+#if defined(CONFIG_H8S2678)
+#include <asm/regs267x.h>
+#endif
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7708) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7709)
+# define SCPCR  0xA4000116 /* 16 bit SCI and SCIF */
+# define SCPDR  0xA4000136 /* 8  bit SCI and SCIF */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7705)
+# define SCIF0		0xA4400000
+# define SCIF2		0xA4410000
+# define SCPCR 0xA4000116
+# define SCPDR 0xA4000136
+#elif defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+      defined(CONFIG_ARCH_SH73A0) || \
+      defined(CONFIG_ARCH_SH7367) || \
+      defined(CONFIG_ARCH_SH7377) || \
+      defined(CONFIG_ARCH_SH7372)
+# define PORT_PTCR	   0xA405011EUL
+# define PORT_PVCR	   0xA4050122UL
+# define SCIF_ORER	   0x0200   /* overrun error bit */
+#elif defined(CONFIG_SH_RTS7751R2D)
+# define SCSPTR1 0xFFE0001C /* 8 bit SCIF */
+# define SCSPTR2 0xFFE80020 /* 16 bit SCIF */
+# define SCIF_ORER 0x0001   /* overrun error bit */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7750)  || \
+      defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7091)  || \
+      defined(CONFIG_CPU_SUBTYPE_SH7751)  || \
+      defined(CONFIG_CPU_SUBTYPE_SH7751R)
+# define SCSPTR1 0xffe0001c /* 8  bit SCI */
+# define SCSPTR2 0xFFE80020 /* 16 bit SCIF */
+# define SCIF_ORER 0x0001   /* overrun error bit */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7760)
+# define SCSPTR0 0xfe600024 /* 16 bit SCIF */
+# define SCSPTR1 0xfe610024 /* 16 bit SCIF */
+# define SCSPTR2 0xfe620024 /* 16 bit SCIF */
+# define SCIF_ORER 0x0001  /* overrun error bit */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
+# define SCSPTR0 0xA4400000	  /* 16 bit SCIF */
+# define SCIF_ORER 0x0001   /* overrun error bit */
+# define PACR 0xa4050100
+# define PBCR 0xa4050102
+#elif defined(CONFIG_CPU_SUBTYPE_SH7343)
+# define SCSPTR0 0xffe00010	/* 16 bit SCIF */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7722)
+# define PADR			0xA4050120
+# define PSDR			0xA405013e
+# define PWDR			0xA4050166
+# define PSCR			0xA405011E
+# define SCIF_ORER		0x0001	/* overrun error bit */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7366)
+# define SCPDR0			0xA405013E      /* 16 bit SCIF0 PSDR */
+# define SCSPTR0		SCPDR0
+# define SCIF_ORER		0x0001  /* overrun error bit */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
+# define SCSPTR0                0xa4050160
+# define SCIF_ORER              0x0001  /* overrun error bit */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7724)
+# define SCIF_ORER              0x0001  /* overrun error bit */
+#elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
+# define SCSPTR2 0xffe80020 /* 16 bit SCIF */
+# define SCIF_ORER 0x0001   /* overrun error bit */
+#elif defined(CONFIG_H83007) || defined(CONFIG_H83068)
+# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
+#elif defined(CONFIG_H8S2678)
+# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7757)
+# define SCSPTR0 0xfe4b0020
+# define SCIF_ORER 0x0001
+#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
+# define SCSPTR0 0xffe00024 /* 16 bit SCIF */
+# define SCIF_ORER 0x0001  /* overrun error bit */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7770)
+# define SCSPTR0 0xff923020 /* 16 bit SCIF */
+# define SCIF_ORER 0x0001  /* overrun error bit */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
+# define SCSPTR0	0xffe00024	/* 16 bit SCIF */
+# define SCIF_ORER	0x0001		/* Overrun error bit */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7786)
+# define SCSPTR0	0xffea0024	/* 16 bit SCIF */
+# define SCIF_ORER	0x0001		/* Overrun error bit */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7201) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7203) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7206) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7263)
+# define SCSPTR0 0xfffe8020 /* 16 bit SCIF */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
+# define SCSPTR0 0xf8400020 /* 16 bit SCIF */
+# define SCIF_ORER 0x0001  /* overrun error bit */
+#elif defined(CONFIG_CPU_SUBTYPE_SHX3)
+# define SCSPTR0 0xffc30020		/* 16 bit SCIF */
+# define SCIF_ORER 0x0001		/* Overrun error bit */
+#else
+# error CPU subtype not defined
+#endif
+
+/* SCxSR SCI */
+#define SCI_TDRE  0x80 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
+#define SCI_RDRF  0x40 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
+#define SCI_ORER  0x20 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
+#define SCI_FER   0x10 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
+#define SCI_PER   0x08 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
+#define SCI_TEND  0x04 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
+/*      SCI_MPB   0x02  * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
+/*      SCI_MPBT  0x01  * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
+
+#define SCI_ERRORS ( SCI_PER | SCI_FER | SCI_ORER)
+
+/* SCxSR SCIF */
+#define SCIF_ER    0x0080 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
+#define SCIF_TEND  0x0040 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
+#define SCIF_TDFE  0x0020 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
+#define SCIF_BRK   0x0010 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
+#define SCIF_FER   0x0008 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
+#define SCIF_PER   0x0004 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
+#define SCIF_RDF   0x0002 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
+#define SCIF_DR    0x0001 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+    defined(CONFIG_ARCH_SH73A0) || \
+    defined(CONFIG_ARCH_SH7367) || \
+    defined(CONFIG_ARCH_SH7377) || \
+    defined(CONFIG_ARCH_SH7372)
+# define SCIF_ORER    0x0200
+# define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK | SCIF_ORER)
+# define SCIF_RFDC_MASK 0x007f
+# define SCIF_TXROOM_MAX 64
+#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
+# define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK )
+# define SCIF_RFDC_MASK 0x007f
+# define SCIF_TXROOM_MAX 64
+/* SH7763 SCIF2 support */
+# define SCIF2_RFDC_MASK 0x001f
+# define SCIF2_TXROOM_MAX 16
+#else
+# define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK)
+# define SCIF_RFDC_MASK 0x001f
+# define SCIF_TXROOM_MAX 16
+#endif
+
+#ifndef SCIF_ORER
+#define SCIF_ORER	0x0000
+#endif
+
+#define SCxSR_TEND(port)	(((port)->type == PORT_SCI) ? SCI_TEND   : SCIF_TEND)
+#define SCxSR_ERRORS(port)	(((port)->type == PORT_SCI) ? SCI_ERRORS : SCIF_ERRORS)
+#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_ORER(port)	(((port)->type == PORT_SCI) ? SCI_ORER	 : SCIF_ORER)
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+    defined(CONFIG_ARCH_SH73A0) || \
+    defined(CONFIG_ARCH_SH7367) || \
+    defined(CONFIG_ARCH_SH7377) || \
+    defined(CONFIG_ARCH_SH7372)
+# define SCxSR_RDxF_CLEAR(port)	 (sci_in(port, SCxSR) & 0xfffc)
+# define SCxSR_ERROR_CLEAR(port) (sci_in(port, SCxSR) & 0xfd73)
+# define SCxSR_TDxE_CLEAR(port)	 (sci_in(port, SCxSR) & 0xffdf)
+# define SCxSR_BREAK_CLEAR(port) (sci_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
+
+#define SCI_IN(size, offset)					\
+  if ((size) == 8) {						\
+    return ioread8(port->membase + (offset));			\
+  } else {							\
+    return ioread16(port->membase + (offset));			\
+  }
+#define SCI_OUT(size, offset, value)				\
+  if ((size) == 8) {						\
+    iowrite8(value, port->membase + (offset));			\
+  } else if ((size) == 16) {					\
+    iowrite16(value, port->membase + (offset));			\
+  }
+
+#define CPU_SCIx_FNS(name, sci_offset, sci_size, scif_offset, scif_size)\
+  static inline unsigned int sci_##name##_in(struct uart_port *port)	\
+  {									\
+    if (port->type == PORT_SCIF || port->type == PORT_SCIFB) {		\
+      SCI_IN(scif_size, scif_offset)					\
+    } else {	/* PORT_SCI or PORT_SCIFA */				\
+      SCI_IN(sci_size, sci_offset);					\
+    }									\
+  }									\
+  static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
+  {									\
+    if (port->type == PORT_SCIF || port->type == PORT_SCIFB) {		\
+      SCI_OUT(scif_size, scif_offset, value)				\
+    } else {	/* PORT_SCI or PORT_SCIFA */				\
+      SCI_OUT(sci_size, sci_offset, value);				\
+    }									\
+  }
+
+#ifdef CONFIG_H8300
+/* h8300 don't have SCIF */
+#define CPU_SCIF_FNS(name)						\
+  static inline unsigned int sci_##name##_in(struct uart_port *port)	\
+  {									\
+    return 0;								\
+  }									\
+  static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
+  {									\
+  }
+#else
+#define CPU_SCIF_FNS(name, scif_offset, scif_size)			\
+  static inline unsigned int sci_##name##_in(struct uart_port *port)	\
+  {									\
+    SCI_IN(scif_size, scif_offset);					\
+  }									\
+  static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
+  {									\
+    SCI_OUT(scif_size, scif_offset, value);				\
+  }
+#endif
+
+#define CPU_SCI_FNS(name, sci_offset, sci_size)				\
+  static inline unsigned int sci_##name##_in(struct uart_port* port)	\
+  {									\
+    SCI_IN(sci_size, sci_offset);					\
+  }									\
+  static inline void sci_##name##_out(struct uart_port* port, unsigned int value) \
+  {									\
+    SCI_OUT(sci_size, sci_offset, value);				\
+  }
+
+#if defined(CONFIG_CPU_SH3) || \
+    defined(CONFIG_ARCH_SH73A0) || \
+    defined(CONFIG_ARCH_SH7367) || \
+    defined(CONFIG_ARCH_SH7377) || \
+    defined(CONFIG_ARCH_SH7372)
+#if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
+#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
+		                sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
+		                 h8_sci_offset, h8_sci_size) \
+  CPU_SCIx_FNS(name, sh4_sci_offset, sh4_sci_size, sh4_scif_offset, sh4_scif_size)
+#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
+	  CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+      defined(CONFIG_ARCH_SH73A0) || \
+      defined(CONFIG_ARCH_SH7367) || \
+      defined(CONFIG_ARCH_SH7377)
+#define SCIF_FNS(name, scif_offset, scif_size) \
+  CPU_SCIF_FNS(name, scif_offset, scif_size)
+#elif defined(CONFIG_ARCH_SH7372)
+#define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size) \
+  CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size)
+#define SCIF_FNS(name, scif_offset, scif_size) \
+  CPU_SCIF_FNS(name, scif_offset, scif_size)
+#else
+#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
+		 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
+                 h8_sci_offset, h8_sci_size) \
+  CPU_SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh3_scif_offset, sh3_scif_size)
+#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
+  CPU_SCIF_FNS(name, sh3_scif_offset, sh3_scif_size)
+#endif
+#elif defined(__H8300H__) || defined(__H8300S__)
+#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
+		 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
+                 h8_sci_offset, h8_sci_size) \
+  CPU_SCI_FNS(name, h8_sci_offset, h8_sci_size)
+#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
+  CPU_SCIF_FNS(name)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\
+      defined(CONFIG_CPU_SUBTYPE_SH7724)
+        #define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scif_offset, sh4_scif_size) \
+                CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scif_offset, sh4_scif_size)
+        #define SCIF_FNS(name, sh4_scif_offset, sh4_scif_size) \
+                CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
+#else
+#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
+		 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
+		 h8_sci_offset, h8_sci_size) \
+  CPU_SCIx_FNS(name, sh4_sci_offset, sh4_sci_size, sh4_scif_offset, sh4_scif_size)
+#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
+  CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
+#endif
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+    defined(CONFIG_ARCH_SH73A0) || \
+    defined(CONFIG_ARCH_SH7367) || \
+    defined(CONFIG_ARCH_SH7377)
+
+SCIF_FNS(SCSMR,  0x00, 16)
+SCIF_FNS(SCBRR,  0x04,  8)
+SCIF_FNS(SCSCR,  0x08, 16)
+SCIF_FNS(SCxSR,  0x14, 16)
+SCIF_FNS(SCFCR,  0x18, 16)
+SCIF_FNS(SCFDR,  0x1c, 16)
+SCIF_FNS(SCxTDR, 0x20,  8)
+SCIF_FNS(SCxRDR, 0x24,  8)
+SCIF_FNS(SCLSR,  0x00,  0)
+#elif defined(CONFIG_ARCH_SH7372)
+SCIF_FNS(SCSMR,  0x00, 16)
+SCIF_FNS(SCBRR,  0x04,  8)
+SCIF_FNS(SCSCR,  0x08, 16)
+SCIF_FNS(SCTDSR, 0x0c, 16)
+SCIF_FNS(SCFER,  0x10, 16)
+SCIF_FNS(SCxSR,  0x14, 16)
+SCIF_FNS(SCFCR,  0x18, 16)
+SCIF_FNS(SCFDR,  0x1c, 16)
+SCIF_FNS(SCTFDR, 0x38, 16)
+SCIF_FNS(SCRFDR, 0x3c, 16)
+SCIx_FNS(SCxTDR, 0x20,  8, 0x40,  8)
+SCIx_FNS(SCxRDR, 0x24,  8, 0x60,  8)
+SCIF_FNS(SCLSR,  0x00,  0)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\
+      defined(CONFIG_CPU_SUBTYPE_SH7724)
+SCIx_FNS(SCSMR,  0x00, 16, 0x00, 16)
+SCIx_FNS(SCBRR,  0x04,  8, 0x04,  8)
+SCIx_FNS(SCSCR,  0x08, 16, 0x08, 16)
+SCIx_FNS(SCxTDR, 0x20,  8, 0x0c,  8)
+SCIx_FNS(SCxSR,  0x14, 16, 0x10, 16)
+SCIx_FNS(SCxRDR, 0x24,  8, 0x14,  8)
+SCIx_FNS(SCSPTR, 0,     0,    0,  0)
+SCIF_FNS(SCFCR,  0x18, 16)
+SCIF_FNS(SCFDR,  0x1c, 16)
+SCIF_FNS(SCLSR,  0x24, 16)
+#else
+/*      reg      SCI/SH3   SCI/SH4  SCIF/SH3   SCIF/SH4  SCI/H8*/
+/*      name     off  sz   off  sz   off  sz   off  sz   off  sz*/
+SCIx_FNS(SCSMR,  0x00,  8, 0x00,  8, 0x00,  8, 0x00, 16, 0x00,  8)
+SCIx_FNS(SCBRR,  0x02,  8, 0x04,  8, 0x02,  8, 0x04,  8, 0x01,  8)
+SCIx_FNS(SCSCR,  0x04,  8, 0x08,  8, 0x04,  8, 0x08, 16, 0x02,  8)
+SCIx_FNS(SCxTDR, 0x06,  8, 0x0c,  8, 0x06,  8, 0x0C,  8, 0x03,  8)
+SCIx_FNS(SCxSR,  0x08,  8, 0x10,  8, 0x08, 16, 0x10, 16, 0x04,  8)
+SCIx_FNS(SCxRDR, 0x0a,  8, 0x14,  8, 0x0A,  8, 0x14,  8, 0x05,  8)
+SCIF_FNS(SCFCR,                      0x0c,  8, 0x18, 16)
+#if defined(CONFIG_CPU_SUBTYPE_SH7760) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7780) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7786)
+SCIF_FNS(SCFDR,			     0x0e, 16, 0x1C, 16)
+SCIF_FNS(SCTFDR,		     0x0e, 16, 0x1C, 16)
+SCIF_FNS(SCRFDR,		     0x0e, 16, 0x20, 16)
+SCIF_FNS(SCSPTR,			0,  0, 0x24, 16)
+SCIF_FNS(SCLSR,				0,  0, 0x28, 16)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
+SCIF_FNS(SCFDR,				0,  0, 0x1C, 16)
+SCIF_FNS(SCTFDR,		     0x0e, 16, 0x1C, 16)
+SCIF_FNS(SCRFDR,		     0x0e, 16, 0x20, 16)
+SCIF_FNS(SCSPTR,			0,  0, 0x24, 16)
+SCIF_FNS(SCLSR,				0,  0, 0x28, 16)
+#else
+SCIF_FNS(SCFDR,                      0x0e, 16, 0x1C, 16)
+#if defined(CONFIG_CPU_SUBTYPE_SH7722)
+SCIF_FNS(SCSPTR,                        0,  0, 0, 0)
+#else
+SCIF_FNS(SCSPTR,                        0,  0, 0x20, 16)
+#endif
+SCIF_FNS(SCLSR,                         0,  0, 0x24, 16)
+#endif
+#endif
+#define sci_in(port, reg) sci_##reg##_in(port)
+#define sci_out(port, reg, value) sci_##reg##_out(port, value)
+
+/* H8/300 series SCI pins assignment */
+#if defined(__H8300H__) || defined(__H8300S__)
+static const struct __attribute__((packed)) {
+	int port;             /* GPIO port no */
+	unsigned short rx,tx; /* GPIO bit no */
+} h8300_sci_pins[] = {
+#if defined(CONFIG_H83007) || defined(CONFIG_H83068)
+	{    /* SCI0 */
+		.port = H8300_GPIO_P9,
+		.rx   = H8300_GPIO_B2,
+		.tx   = H8300_GPIO_B0,
+	},
+	{    /* SCI1 */
+		.port = H8300_GPIO_P9,
+		.rx   = H8300_GPIO_B3,
+		.tx   = H8300_GPIO_B1,
+	},
+	{    /* SCI2 */
+		.port = H8300_GPIO_PB,
+		.rx   = H8300_GPIO_B7,
+		.tx   = H8300_GPIO_B6,
+	}
+#elif defined(CONFIG_H8S2678)
+	{    /* SCI0 */
+		.port = H8300_GPIO_P3,
+		.rx   = H8300_GPIO_B2,
+		.tx   = H8300_GPIO_B0,
+	},
+	{    /* SCI1 */
+		.port = H8300_GPIO_P3,
+		.rx   = H8300_GPIO_B3,
+		.tx   = H8300_GPIO_B1,
+	},
+	{    /* SCI2 */
+		.port = H8300_GPIO_P5,
+		.rx   = H8300_GPIO_B1,
+		.tx   = H8300_GPIO_B0,
+	}
+#endif
+};
+#endif
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7708) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7709)
+static inline int sci_rxd_in(struct uart_port *port)
+{
+	if (port->mapbase == 0xfffffe80)
+		return __raw_readb(SCPDR)&0x01 ? 1 : 0; /* SCI */
+	return 1;
+}
+#elif defined(CONFIG_CPU_SUBTYPE_SH7750)  || \
+      defined(CONFIG_CPU_SUBTYPE_SH7751)  || \
+      defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7091)
+static inline int sci_rxd_in(struct uart_port *port)
+{
+	if (port->mapbase == 0xffe00000)
+		return __raw_readb(SCSPTR1)&0x01 ? 1 : 0; /* SCI */
+	return 1;
+}
+#elif defined(__H8300H__) || defined(__H8300S__)
+static inline int sci_rxd_in(struct uart_port *port)
+{
+	int ch = (port->mapbase - SMR0) >> 3;
+	return (H8300_SCI_DR(ch) & h8300_sci_pins[ch].rx) ? 1 : 0;
+}
+#else /* default case for non-SCI processors */
+static inline int sci_rxd_in(struct uart_port *port)
+{
+	return 1;
+}
+#endif