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sh: Add SCIF2 support for SH7763.

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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>
This commit is contained in:
Nobuhiro Iwamatsu
2008-06-06 17:04:08 +09:00
committed by Paul Mundt
parent 04e917b606
commit c63847a362
3 changed files with 51 additions and 14 deletions
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17
drivers/serial/sh-sci.c
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@@ -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)
{