From 3ea6bc3de4f15fcae84fb31eeea4d420685a3da2 Mon Sep 17 00:00:00 2001 From: Markus Brunner Date: Mon, 20 Aug 2007 08:59:33 +0900 Subject: sh: Add SH7720 CPU support. This adds support for the SH7720 (SH3-DSP) CPU. Signed-off by: Markus Brunner Signed-off by: Mark Jonas Signed-off-by: Paul Mundt --- drivers/serial/sh-sci.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'drivers/serial/sh-sci.c') diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index e4abd3a79983..81318c580e22 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -4,6 +4,7 @@ * SuperH on-chip serial module support. (SCI with no FIFO / with FIFO) * * Copyright (C) 2002 - 2006 Paul Mundt + * Modified to support SH7720 SCIF. Markus Brunner, Mark Jonas (Jul 2007). * * based off of the old drivers/char/sh-sci.c by: * @@ -301,6 +302,38 @@ static void sci_init_pins_scif(struct uart_port* port, unsigned int cflag) } sci_out(port, SCFCR, fcr_val); } +#elif defined(CONFIG_CPU_SUBTYPE_SH7720) +static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) +{ + unsigned int fcr_val = 0; + unsigned short data; + + if (cflag & CRTSCTS) { + /* enable RTS/CTS */ + if (port->mapbase == 0xa4430000) { /* SCIF0 */ + /* Clear PTCR bit 9-2; enable all scif pins but sck */ + data = ctrl_inw(PORT_PTCR); + ctrl_outw((data & 0xfc03), PORT_PTCR); + } else if (port->mapbase == 0xa4438000) { /* SCIF1 */ + /* Clear PVCR bit 9-2 */ + data = ctrl_inw(PORT_PVCR); + ctrl_outw((data & 0xfc03), PORT_PVCR); + } + fcr_val |= SCFCR_MCE; + } else { + if (port->mapbase == 0xa4430000) { /* SCIF0 */ + /* Clear PTCR bit 5-2; enable only tx and rx */ + data = ctrl_inw(PORT_PTCR); + ctrl_outw((data & 0xffc3), PORT_PTCR); + } else if (port->mapbase == 0xa4438000) { /* SCIF1 */ + /* Clear PVCR bit 5-2 */ + data = ctrl_inw(PORT_PVCR); + ctrl_outw((data & 0xffc3), PORT_PVCR); + } + } + sci_out(port, SCFCR, fcr_val); +} + #elif defined(CONFIG_CPU_SH3) /* For SH7705, SH7706, SH7707, SH7709, SH7709A, SH7729 */ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) -- cgit 1.4.1