sh-sci: improve sh7722 support

Improve sh7722 support for SCIF1 and SCIF2 and separate code
from sh7366 implementation.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 17 insertions, 4 deletions

diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index fa8700a968fc..4d1c0e328a03 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -76,12 +76,13 @@
 # define SCSCR_INIT(port) 0x32  /* TIE=0,RIE=0,TE=1,RE=1,REIE=0,CKE=1 */
 # define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7722)
-# define SCPDR0                 0xA405013E      /* 16 bit SCIF0 PSDR */
-# define SCSPTR0                SCPDR0
+# define PADR                   0xA4050120
+# define PSDR                   0xA405013e
+# define PWDR                   0xA4050166
+# define PSCR                   0xA405011E
 # define SCIF_ORER              0x0001  /* overrun error bit */
 # define SCSCR_INIT(port)       0x0038  /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
 # define SCIF_ONLY
-# define PORT_PSCR              0xA405011E
 #elif defined(CONFIG_CPU_SUBTYPE_SH7366)
 # define SCPDR0                 0xA405013E      /* 16 bit SCIF0 PSDR */
 # define SCSPTR0                SCPDR0
@@ -593,13 +594,25 @@ static inline int sci_rxd_in(struct uart_port *port)
                 return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
         return 1;
 }
-#elif defined(CONFIG_CPU_SUBTYPE_SH7722) || defined(CONFIG_CPU_SUBTYPE_SH7366)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7366)
 static inline int sci_rxd_in(struct uart_port *port)
 {
         if (port->mapbase == 0xffe00000)
                 return ctrl_inb(SCPDR0) & 0x0001 ? 1 : 0; /* SCIF0 */
         return 1;
 }
+#elif defined(CONFIG_CPU_SUBTYPE_SH7722)
+static inline int sci_rxd_in(struct uart_port *port)
+{
+        if (port->mapbase == 0xffe00000)
+                return ctrl_inb(PSDR) & 0x02 ? 1 : 0; /* SCIF0 */
+        if (port->mapbase == 0xffe10000)
+                return ctrl_inb(PADR) & 0x40 ? 1 : 0; /* SCIF1 */
+        if (port->mapbase == 0xffe20000)
+                return ctrl_inb(PWDR) & 0x04 ? 1 : 0; /* SCIF2 */
+
+        return 1;
+}
 #elif defined(CONFIG_CPU_SUBTYPE_SH7723)
 static inline int sci_rxd_in(struct uart_port *port)
 {