Commit 346b7463 authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
Browse files

sh-sci: improve sh7722 support



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

Signed-off-by: default avatarMagnus Damm <damm@igel.co.jp>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 191d4437
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+10 −12
Original line number Diff line number Diff line
@@ -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;

	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);
	if (port->mapbase == 0xffe00000) {
		data = ctrl_inw(PSCR);
		data &= ~0x03cf;
		if (cflag & CRTSCTS)
			fcr_val |= SCFCR_MCE;
		else
			data |= 0x0340;

		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);
}
+17 −4
Original line number Diff line number Diff line
@@ -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)
{