serial: Move common/serial.c to drivers/serial/

Move the common/serial.c into driver/serial/, since this file
provides serial multiplexing functions and it is imperative to
be linked with libserial.o instead of libcommon.o.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Tom Rini <trini@ti.com>

1 files changed, 354 insertions, 0 deletions

diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c
new file mode 100644
index 0000000000..acb74af963
--- /dev/null
+++ b/drivers/serial/serial.c
@@ -0,0 +1,354 @@
+/*
+ * (C) Copyright 2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <serial.h>
+#include <stdio_dev.h>
+#include <post.h>
+#include <linux/compiler.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct serial_device *serial_devices;
+static struct serial_device *serial_current;
+
+static void serial_null(void)
+{
+}
+
+#define serial_initfunc(name)					\
+	void name(void)						\
+		__attribute__((weak, alias("serial_null")));
+
+serial_initfunc(mpc8xx_serial_initialize);
+serial_initfunc(ns16550_serial_initialize);
+serial_initfunc(pxa_serial_initialize);
+serial_initfunc(s3c24xx_serial_initialize);
+serial_initfunc(s5p_serial_initialize);
+serial_initfunc(zynq_serial_initalize);
+serial_initfunc(bfin_serial_initialize);
+serial_initfunc(bfin_jtag_initialize);
+serial_initfunc(mpc512x_serial_initialize);
+serial_initfunc(uartlite_serial_initialize);
+serial_initfunc(au1x00_serial_initialize);
+serial_initfunc(asc_serial_initialize);
+serial_initfunc(jz_serial_initialize);
+serial_initfunc(mpc5xx_serial_initialize);
+serial_initfunc(mpc8220_serial_initialize);
+serial_initfunc(mpc8260_scc_serial_initialize);
+serial_initfunc(mpc8260_smc_serial_initialize);
+serial_initfunc(mpc85xx_serial_initialize);
+serial_initfunc(iop480_serial_initialize);
+serial_initfunc(leon2_serial_initialize);
+serial_initfunc(leon3_serial_initialize);
+serial_initfunc(marvell_serial_initialize);
+serial_initfunc(amirix_serial_initialize);
+serial_initfunc(bmw_serial_initialize);
+serial_initfunc(cogent_serial_initialize);
+serial_initfunc(cpci750_serial_initialize);
+serial_initfunc(evb64260_serial_initialize);
+serial_initfunc(ml2_serial_initialize);
+serial_initfunc(sconsole_serial_initialize);
+serial_initfunc(p3mx_serial_initialize);
+serial_initfunc(altera_jtag_serial_initialize);
+serial_initfunc(altera_serial_initialize);
+serial_initfunc(atmel_serial_initialize);
+serial_initfunc(lpc32xx_serial_initialize);
+serial_initfunc(mcf_serial_initialize);
+serial_initfunc(ns9750_serial_initialize);
+serial_initfunc(oc_serial_initialize);
+serial_initfunc(s3c4510b_serial_initialize);
+serial_initfunc(s3c64xx_serial_initialize);
+serial_initfunc(sandbox_serial_initialize);
+serial_initfunc(clps7111_serial_initialize);
+serial_initfunc(imx_serial_initialize);
+serial_initfunc(ixp_serial_initialize);
+serial_initfunc(ks8695_serial_initialize);
+serial_initfunc(lh7a40x_serial_initialize);
+serial_initfunc(lpc2292_serial_initialize);
+serial_initfunc(max3100_serial_initialize);
+serial_initfunc(mxc_serial_initialize);
+serial_initfunc(netarm_serial_initialize);
+serial_initfunc(pl01x_serial_initialize);
+serial_initfunc(s3c44b0_serial_initialize);
+serial_initfunc(sa1100_serial_initialize);
+serial_initfunc(sh_serial_initialize);
+
+void serial_register(struct serial_device *dev)
+{
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+	dev->start += gd->reloc_off;
+	dev->setbrg += gd->reloc_off;
+	dev->getc += gd->reloc_off;
+	dev->tstc += gd->reloc_off;
+	dev->putc += gd->reloc_off;
+	dev->puts += gd->reloc_off;
+#endif
+
+	dev->next = serial_devices;
+	serial_devices = dev;
+}
+
+void serial_initialize(void)
+{
+	mpc8xx_serial_initialize();
+	ns16550_serial_initialize();
+	pxa_serial_initialize();
+	s3c24xx_serial_initialize();
+	s5p_serial_initialize();
+	mpc512x_serial_initialize();
+	bfin_serial_initialize();
+	bfin_jtag_initialize();
+	uartlite_serial_initialize();
+	zynq_serial_initalize();
+	au1x00_serial_initialize();
+	asc_serial_initialize();
+	jz_serial_initialize();
+	mpc5xx_serial_initialize();
+	mpc8220_serial_initialize();
+	mpc8260_scc_serial_initialize();
+	mpc8260_smc_serial_initialize();
+	mpc85xx_serial_initialize();
+	iop480_serial_initialize();
+	leon2_serial_initialize();
+	leon3_serial_initialize();
+	marvell_serial_initialize();
+	amirix_serial_initialize();
+	bmw_serial_initialize();
+	cogent_serial_initialize();
+	cpci750_serial_initialize();
+	evb64260_serial_initialize();
+	ml2_serial_initialize();
+	sconsole_serial_initialize();
+	p3mx_serial_initialize();
+	altera_jtag_serial_initialize();
+	altera_serial_initialize();
+	atmel_serial_initialize();
+	lpc32xx_serial_initialize();
+	mcf_serial_initialize();
+	ns9750_serial_initialize();
+	oc_serial_initialize();
+	s3c4510b_serial_initialize();
+	s3c64xx_serial_initialize();
+	sandbox_serial_initialize();
+	clps7111_serial_initialize();
+	imx_serial_initialize();
+	ixp_serial_initialize();
+	ks8695_serial_initialize();
+	lh7a40x_serial_initialize();
+	lpc2292_serial_initialize();
+	max3100_serial_initialize();
+	mxc_serial_initialize();
+	netarm_serial_initialize();
+	pl01x_serial_initialize();
+	s3c44b0_serial_initialize();
+	sa1100_serial_initialize();
+	sh_serial_initialize();
+
+	serial_assign(default_serial_console()->name);
+}
+
+void serial_stdio_init(void)
+{
+	struct stdio_dev dev;
+	struct serial_device *s = serial_devices;
+
+	while (s) {
+		memset(&dev, 0, sizeof(dev));
+
+		strcpy(dev.name, s->name);
+		dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
+
+		dev.start = s->start;
+		dev.stop = s->stop;
+		dev.putc = s->putc;
+		dev.puts = s->puts;
+		dev.getc = s->getc;
+		dev.tstc = s->tstc;
+
+		stdio_register(&dev);
+
+		s = s->next;
+	}
+}
+
+int serial_assign(const char *name)
+{
+	struct serial_device *s;
+
+	for (s = serial_devices; s; s = s->next) {
+		if (strcmp(s->name, name) == 0) {
+			serial_current = s;
+			return 0;
+		}
+	}
+
+	return 1;
+}
+
+void serial_reinit_all(void)
+{
+	struct serial_device *s;
+
+	for (s = serial_devices; s; s = s->next)
+		s->start();
+}
+
+static struct serial_device *get_current(void)
+{
+	struct serial_device *dev;
+
+	if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
+		dev = default_serial_console();
+
+		/* We must have a console device */
+		if (!dev) {
+#ifdef CONFIG_SPL_BUILD
+			puts("Cannot find console\n");
+			hang();
+#else
+			panic("Cannot find console\n");
+#endif
+		}
+	} else
+		dev = serial_current;
+	return dev;
+}
+
+int serial_init(void)
+{
+	return get_current()->start();
+}
+
+void serial_setbrg(void)
+{
+	get_current()->setbrg();
+}
+
+int serial_getc(void)
+{
+	return get_current()->getc();
+}
+
+int serial_tstc(void)
+{
+	return get_current()->tstc();
+}
+
+void serial_putc(const char c)
+{
+	get_current()->putc(c);
+}
+
+void serial_puts(const char *s)
+{
+	get_current()->puts(s);
+}
+
+#if CONFIG_POST & CONFIG_SYS_POST_UART
+static const int bauds[] = CONFIG_SYS_BAUDRATE_TABLE;
+
+/* Mark weak until post/cpu/.../uart.c migrate over */
+__weak
+int uart_post_test(int flags)
+{
+	unsigned char c;
+	int ret, saved_baud, b;
+	struct serial_device *saved_dev, *s;
+	bd_t *bd = gd->bd;
+
+	/* Save current serial state */
+	ret = 0;
+	saved_dev = serial_current;
+	saved_baud = bd->bi_baudrate;
+
+	for (s = serial_devices; s; s = s->next) {
+		/* If this driver doesn't support loop back, skip it */
+		if (!s->loop)
+			continue;
+
+		/* Test the next device */
+		serial_current = s;
+
+		ret = serial_init();
+		if (ret)
+			goto done;
+
+		/* Consume anything that happens to be queued */
+		while (serial_tstc())
+			serial_getc();
+
+		/* Enable loop back */
+		s->loop(1);
+
+		/* Test every available baud rate */
+		for (b = 0; b < ARRAY_SIZE(bauds); ++b) {
+			bd->bi_baudrate = bauds[b];
+			serial_setbrg();
+
+			/*
+			 * Stick to printable chars to avoid issues:
+			 *  - terminal corruption
+			 *  - serial program reacting to sequences and sending
+			 *    back random extra data
+			 *  - most serial drivers add in extra chars (like \r\n)
+			 */
+			for (c = 0x20; c < 0x7f; ++c) {
+				/* Send it out */
+				serial_putc(c);
+
+				/* Make sure it's the same one */
+				ret = (c != serial_getc());
+				if (ret) {
+					s->loop(0);
+					goto done;
+				}
+
+				/* Clean up the output in case it was sent */
+				serial_putc('\b');
+				ret = ('\b' != serial_getc());
+				if (ret) {
+					s->loop(0);
+					goto done;
+				}
+			}
+		}
+
+		/* Disable loop back */
+		s->loop(0);
+
+		/* XXX: There is no serial_stop() !? */
+		if (s->stop)
+			s->stop();
+	}
+
+ done:
+	/* Restore previous serial state */
+	serial_current = saved_dev;
+	bd->bi_baudrate = saved_baud;
+	serial_reinit_all();
+	serial_setbrg();
+
+	return ret;
+}
+#endif