diff options
| author | Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> | 2008-06-06 17:04:08 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2008-07-28 18:10:29 +0900 |
| commit | c63847a3621d2bac054f5709783860ecabd0ee7e (patch) | |
| tree | a04e0aca07d0a672a56b1611544f7d2da0b621e4 /drivers/serial/sh-sci.c | |
| parent | 04e917b606ffe6ec10fb75c21447162cba31f6b6 (diff) | |
| download | op-kernel-dev-c63847a3621d2bac054f5709783860ecabd0ee7e.zip op-kernel-dev-c63847a3621d2bac054f5709783860ecabd0ee7e.tar.gz | |
sh: Add SCIF2 support for SH7763.
SH7763 has 3 SCIF device. Current code supports SCIF0 and 1.
SCIF0 and 1 are same register constitution, but only SCIF2 is different.
I added support of SCIF2.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/serial/sh-sci.c')
| -rw-r--r-- | drivers/serial/sh-sci.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 208e42b..3df2aae 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -410,7 +410,6 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) #endif #if defined(CONFIG_CPU_SUBTYPE_SH7760) || \ - defined(CONFIG_CPU_SUBTYPE_SH7763) || \ defined(CONFIG_CPU_SUBTYPE_SH7780) || \ defined(CONFIG_CPU_SUBTYPE_SH7785) static inline int scif_txroom(struct uart_port *port) @@ -422,6 +421,22 @@ static inline int scif_rxroom(struct uart_port *port) { return sci_in(port, SCRFDR) & 0xff; } +#elif defined(CONFIG_CPU_SUBTYPE_SH7763) +static inline int scif_txroom(struct uart_port *port) +{ + if((port->mapbase == 0xffe00000) || (port->mapbase == 0xffe08000)) /* SCIF0/1*/ + return SCIF_TXROOM_MAX - (sci_in(port, SCTFDR) & 0xff); + else /* SCIF2 */ + return SCIF2_TXROOM_MAX - (sci_in(port, SCFDR) >> 8); +} + +static inline int scif_rxroom(struct uart_port *port) +{ + if((port->mapbase == 0xffe00000) || (port->mapbase == 0xffe08000)) /* SCIF0/1*/ + return sci_in(port, SCRFDR) & 0xff; + else /* SCIF2 */ + return sci_in(port, SCFDR) & SCIF2_RFDC_MASK; +} #else static inline int scif_txroom(struct uart_port *port) { |
