* Modified to support multiple serial ports. Stuart Menefy (May 2000).
* Modified to support SecureEdge. David McCullough (2002)
* Modified to support SH7300 SCIF. Takashi Kusuda (Jun 2003).
+ * Removed SH7300 support (Jul 2007).
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
/* Break timer */
struct timer_list break_timer;
int break_flag;
+
+#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
+ /* Port clock */
+ struct clk *clk;
+#endif
};
#ifdef CONFIG_SH_KGDB
#endif
#if defined(SCIF_ONLY) || defined(SCI_AND_SCIF)
-#if defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7710)
-/* SH7300 doesn't use RTS/CTS */
-static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
+#if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
+static void sci_init_pins_scif(struct uart_port* port, unsigned int cflag)
{
- sci_out(port, SCFCR, 0);
+ unsigned int fcr_val = 0;
+
+ set_sh771x_scif_pfc(port);
+ if (cflag & CRTSCTS) {
+ fcr_val |= SCFCR_MCE;
+ }
+ sci_out(port, SCFCR, fcr_val);
}
#elif defined(CONFIG_CPU_SH3)
/* For SH7705, SH7706, SH7707, SH7709, SH7709A, SH7729 */
} else {
#ifdef CONFIG_CPU_SUBTYPE_SH7343
/* Nothing */
-#elif defined(CONFIG_CPU_SUBTYPE_SH7780) || defined(CONFIG_CPU_SUBTYPE_SH7785)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7780) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+ defined(CONFIG_CPU_SUBTYPE_SHX3)
ctrl_outw(0x0080, SCSPTR0); /* Set RTS = 1 */
#else
ctrl_outw(0x0080, SCSPTR2); /* Set RTS = 1 */
/* Handle BREAKs */
sci_handle_breaks(port);
-
-#ifdef CONFIG_SH_KGDB
- /* Break into the debugger if a break is detected */
- breakpoint();
-#endif
-
sci_out(port, SCxSR, SCxSR_BREAK_CLEAR(port));
return IRQ_HANDLED;
if (s->enable)
s->enable(port);
+#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
+ s->clk = clk_get(NULL, "module_clk");
+#endif
+
sci_request_irq(s);
sci_start_tx(port);
sci_start_rx(port, 1);
if (s->disable)
s->disable(port);
+
+#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
+ clk_put(s->clk);
+ s->clk = NULL;
+#endif
}
static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
default:
{
#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
- struct clk *clk = clk_get(NULL, "module_clk");
- t = SCBRR_VALUE(baud, clk_get_rate(clk));
- clk_put(clk);
+ t = SCBRR_VALUE(baud, clk_get_rate(s->clk));
#else
t = SCBRR_VALUE(baud);
#endif
port->type = serial_console_port->type;
+#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
+ if (!serial_console_port->clk)
+ serial_console_port->clk = clk_get(NULL, "module_clk");
+#endif
+
if (port->flags & UPF_IOREMAP)
sci_config_port(port, 0);