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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>
This commit is contained in:
Magnus Damm 2008-04-23 21:25:29 +09:00 committed by Paul Mundt
parent 191d4437b9
commit 346b746300
2 changed files with 27 additions and 16 deletions
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22
drivers/serial/sh-sci.c
View File

@ -363,21 +363,19 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
{
unsigned int fcr_val = 0;
unsigned short data;
if (cflag & CRTSCTS) {
fcr_val |= SCFCR_MCE;
if (port->mapbase == 0xffe00000) {
data = ctrl_inw(PSCR);
data &= ~0x03cf;
if (cflag & CRTSCTS)
fcr_val |= SCFCR_MCE;
else
data |= 0x0340;
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);
ctrl_outw(data, PSCR);
}
/* SCIF1 and SCIF2 should be setup by board code */
sci_out(port, SCFCR, fcr_val);
}

21
drivers/serial/sh-sci.h
View File

@ -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)
{