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Date: Sat, 03 Jun 2000 00:06:18 +0900 (JST)
Message-Id: <20000603.000618.74749345.inagaki@tg.rim.or.jp>
To: FreeBSD-tech-jp@jp.freebsd.org
From: Kentaro Inagaki / =?iso-2022-jp?B?GyRCMHAzQBsoQiAbJEI3ckJATzobKEI=?=
 <inagaki@tg.rim.or.jp>
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Subject: [FreeBSD-tech-jp 2788] Hayes ESP isa card (high speed extend serial port)
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--- sio.c.orig	Mon May 29 23:23:30 2000
+++ sio.c	Fri Jun  2 22:13:23 2000
@@ -1073,6 +1073,12 @@
 		printf(" slave");
 		return (0);
 	}
+	/*
+	 * Set clock prescaler: x 2
+	 */
+#define ESP_CMD_SETCLOCK		0x23	/* set UART clock prescaler */
+	outb(esp_port + ESP_CMD1, ESP_CMD_SETCLOCK);
+	outb(esp_port + ESP_CMD2, 1);
 
 	/*
 	 * Okay, we seem to be a Hayes ESP card.  Whee.
----
Kentaro Inagaki / $B0p3@(B $B7rB@O:(B
ZOB Station BBS (TELNET: zmm.zob.ne.jp) zob23368(zob13052)/seraph
