1 files changed, 156 insertions, 0 deletions
diff --git a/sys/dev/uart/uart_cpu_sparc64.c b/sys/dev/uart/uart_cpu_sparc64.c
new file mode 100644
index 0000000..fed26a8
--- /dev/null
+++ b/sys/dev/uart/uart_cpu_sparc64.c
@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2003 Marcel Moolenaar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+
+#include <machine/bus.h>
+#include <machine/bus_private.h>
+
+#include <dev/ofw/openfirm.h>
+#include <machine/ofw_machdep.h>
+
+#include <dev/uart/uart.h>
+#include <dev/uart/uart_cpu.h>
+
+static struct bus_space_tag bst_store[3];
+
+static int
+uart_cpu_channel(char *dev)
+{
+	char alias[64];
+	phandle_t aliases;
+	int len;
+
+	strcpy(alias, dev);
+	if ((aliases = OF_finddevice("/aliases")) != -1)
+		OF_getprop(aliases, dev, alias, sizeof(alias));
+	len = strlen(alias);
+	if (len < 2 || alias[len - 2] != ':' || alias[len - 1] < 'a' ||
+	    alias[len - 1] > 'b')
+		return (0);
+	return (alias[len - 1] - 'a');
+}
+
+int
+uart_cpu_getdev(int devtype, struct uart_devinfo *di)
+{
+	char buf[32], dev[32];
+	phandle_t input, options, output;
+	bus_addr_t addr;
+	int baud, bits, ch, error, space, stop;
+	char flag, par;
+
+	/*
+	 * Get the address of the UART that is selected as the console, if
+	 * the console is an UART of course. Note that we enforce that both
+	 * stdin and stdout are selected. For weird configurations, use
+	 * ofw_console(4).
+	 * Note that the currently active console (ie /chosen/stdout and
+	 * /chosen/stdin) may not be the same as the device selected in the
+	 * environment (ie /options/output-device and /options/input-device)
+	 * because the user may have changed the environment. In that case
+	 * I would assume that the user expects that FreeBSD uses the new
+	 * console setting. There's choice choice, really.
+	 */
+	if ((options = OF_finddevice("/options")) == -1)
+		return (ENXIO);
+	if (OF_getprop(options, "input-device", dev, sizeof(dev)) == -1)
+		return (ENXIO);
+	if ((input = OF_finddevice(dev)) == -1)
+		return (ENXIO);
+	if (OF_getprop(input, "device_type", buf, sizeof(buf)) == -1)
+		return (ENXIO);
+	if (strcmp(buf, "serial"))
+		return (ENODEV);
+	if (devtype == UART_DEV_KEYBOARD) {
+		if (OF_getprop(input, "keyboard", buf, sizeof(buf)) == -1)
+			return (ENXIO);
+	} else if (devtype == UART_DEV_CONSOLE) {
+		if (OF_getprop(options, "output-device", buf, sizeof(buf))
+		    == -1)
+			return (ENXIO);
+		if ((output = OF_finddevice(buf)) == -1)
+			return (ENXIO);
+		if (input != output)
+			return (ENXIO);
+	} else
+		return (ENODEV);
+
+	error = OF_decode_addr(input, &space, &addr);
+	if (error)
+		return (error);
+
+	/* Get the device class. */
+	if (OF_getprop(input, "name", buf, sizeof(buf)) == -1)
+		return (ENXIO);
+	di->bas.regshft = 0;
+	di->bas.rclk = 0;
+	if (!strcmp(buf, "se")) {
+		di->ops = uart_sab82532_ops;
+		addr += 64 * uart_cpu_channel(dev);
+	} else if (!strcmp(buf, "zs")) {
+		di->ops = uart_z8530_ops;
+		di->bas.regshft = 1;
+		ch = uart_cpu_channel(dev);
+		addr += 4 - 4 * ch;
+	} else if (!strcmp(buf, "su") || !strcmp(buf, "su_pnp"))
+		di->ops = uart_ns8250_ops;
+	else
+		return (ENXIO);
+
+	/* Fill in the device info. */
+	di->bas.bst = &bst_store[devtype];
+	di->bas.bsh = sparc64_fake_bustag(space, addr, di->bas.bst);
+
+	/* Get the line settings. */
+	di->baudrate = 9600;
+	di->databits = 8;
+	di->stopbits = 1;
+	di->parity = UART_PARITY_NONE;
+	snprintf(buf, sizeof(buf), "%s-mode", dev);
+	if (OF_getprop(options, buf, buf, sizeof(buf)) == -1)
+		return (0);
+	if (sscanf(buf, "%d,%d,%c,%d,%c", &baud, &bits, &par, &stop, &flag)
+	    != 5)
+		return (0);
+	di->baudrate = baud;
+	di->databits = bits;
+	di->stopbits = stop;
+	di->parity = (par == 'n') ? UART_PARITY_NONE :
+	    (par == 'o') ? UART_PARITY_ODD : UART_PARITY_EVEN;
+	return (0);
+}
+
+int
+uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
+{
+
+	return ((b1->bsh == b2->bsh) ? 1 : 0);
+}