From: Alan Cox <alan@linux.intel.com>
Date: Sat, 25 Aug 2018 20:56:09 +0000 (+0100)
Subject: devtty: Various uart fixes for baud etc
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=043a7e1c4ec6787fb857bbd20bd53719a9669af6;p=FUZIX.git

devtty: Various uart fixes for baud etc
---

diff --git a/Kernel/platform-sbcv2/devtty.c b/Kernel/platform-sbcv2/devtty.c
index 6ef03a7e..d2d53c1b 100644
--- a/Kernel/platform-sbcv2/devtty.c
+++ b/Kernel/platform-sbcv2/devtty.c
@@ -106,8 +106,8 @@ void tty_setup(uint8_t minor)
 		uart_ms = w >> 8;
 		uart_lcr = d & 0x7F;
 		/* FIXME: CTS/RTS support */
-		d = 0x00;	/* !DTR !RTS */
-		uart_lcr = d;
+		d = 0x03;	/* DTR RTS */
+		uart_mcr = d;
 		uart_ier = 0x0D;	/* We don't use tx ints */
 	}
 }
@@ -134,5 +134,8 @@ void tty_poll(void)
 	   pending. IRQs are off here so this is safe */
 	if (uart_lsr & 0x01)
 		tty_inproc(ttymap[1], uart_rx);
+	/* If we have a 10MHz clock wired to DSR then do timer interrupts */
+	if (timermsr && (uart_msr & 0x40))
+		timer_interrupt();
 	prop_tty_poll(ttymap[2]);
 }
diff --git a/Kernel/platform-sbcv2/devtty.h b/Kernel/platform-sbcv2/devtty.h
index f4803a19..f0188e86 100644
--- a/Kernel/platform-sbcv2/devtty.h
+++ b/Kernel/platform-sbcv2/devtty.h
@@ -2,5 +2,7 @@
 #define _DEVTTY_H
 
 extern void tty_poll(void);
+extern uint8_t timermsr;
+
 
 #endif