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authorPaul Mundt2006-12-11 20:28:03 +0900
committerPaul Mundt2006-12-12 08:42:09 +0900
commit41504c39726a7099e5a42508dd57fe561c8b4129 (patch)
tree29e3ea77a973fc7ee137e78a03b2b6c24b99d559 /drivers/serial
parent5432143464ee7f5cb8b0b015a0fd1c3279af10ae (diff)
sh: SH-MobileR SH7722 CPU support.
This adds CPU support for the SH7722. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/sh-sci.c22
-rw-r--r--drivers/serial/sh-sci.h14
2 files changed, 36 insertions, 0 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 9031b57f12dd..c53b69610a51 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -319,6 +319,28 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
sci_out(port, SCFCR, fcr_val);
}
+#elif defined(CONFIG_CPU_SUBTYPE_SH7722)
+static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
+{
+ unsigned int fcr_val = 0;
+
+ if (cflag & CRTSCTS) {
+ fcr_val |= SCFCR_MCE;
+
+ ctrl_outw(0x0000, PORT_PSCR);
+ } else {
+ unsigned short data;
+
+ data = ctrl_inw(PORT_PSCR);
+ data &= 0x033f;
+ data |= 0x0400;
+ ctrl_outw(data, PORT_PSCR);
+
+ ctrl_outw(ctrl_inw(SCSPTR0) & 0x17, SCSPTR0);
+ }
+
+ sci_out(port, SCFCR, fcr_val);
+}
#else
/* For SH7750 */
static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index d84c1f9f8a39..77f7d6351ab1 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -90,6 +90,13 @@
# define SCSPTR3 0xffe30010 /* 16 bit SCIF */
# 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 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_SH4_202)
# define SCSPTR2 0xffe80020 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* overrun error bit */
@@ -522,6 +529,13 @@ 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)
+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_ST40STB1)
static inline int sci_rxd_in(struct uart_port *port)
{