Hello list,
inside the automatic U-Boot patch tracking system a new ticket [DNX#2006072842000061] was created:
<snip>
tsi108 serial port support.
Signed-off-by: Alexandre Bounine alexandreb@tundra.com Signed-off-by: Roy Zang tie-fei.zang@freescale.com
From 9600fae3923ce41269eb273116ad6080847512bc Mon Sep 17 00:00:00 2001 From: roy zang tie-fei.zang@freescale.com Date: Fri, 28 Jul 2006 15:33:02 +0800 Subject: [PATCH] tsi108 serial port support
board/mpc7448hpc2/ns16550.c | 77 ++++++++++++++++++++++++++++++++++ board/mpc7448hpc2/ns16550.h | 98 +++++++++++++++++++++++++++++++++++++++++++ board/mpc7448hpc2/serial.c | 117 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 292 insertions(+), 0 deletions(-)
diff --git a/board/mpc7448hpc2/ns16550.c b/board/mpc7448hpc2/ns16550.c new file mode 100644 index 0000000..47e01f7 --- /dev/null +++ b/board/mpc7448hpc2/ns16550.c @@ -0,0 +1,77 @@ +/*
- 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
*-----------------------------------------------------------------------
- COM1 NS16550 support
- originally from linux source (arch/ppc/boot/ns16550.c)
- modified to use CFG_ISA_MEM and new defines
- further modified by Josh Huber huber@mclx.com to support
- the DUART on the Galileo Eval board. (db64360)
- */
+#include <config.h> +#include "ns16550.h"
+const NS16550_t COM_PORTS[] = { (NS16550_t) (CFG_DUART_IO + 0),
- (NS16550_t) (CFG_DUART_IO + 0x400)
+};
+volatile struct NS16550 *NS16550_init(int chan, int baud_divisor) +{
- volatile struct NS16550 *com_port;
- com_port = (struct NS16550 *)COM_PORTS[chan];
- com_port->ier = 0x00;
- com_port->lcr = LCR_BKSE; /* Access baud rate */
- com_port->dll = baud_divisor & 0xff; /* 9600 baud */
- com_port->dlm = (baud_divisor >> 8) & 0xff;
- com_port->lcr = LCR_8N1; /* 8 data, 1 stop, no parity */
- com_port->mcr = MCR_DTR | MCR_RTS; /* RTS/DTR */
- /* Clear & enable FIFOs */
- com_port->fcr = FCR_FIFO_EN | FCR_RXSR | FCR_TXSR;
- return (com_port);
+}
+void NS16550_reinit(volatile struct NS16550 *com_port, int baud_divisor) +{
- com_port->ier = 0x00;
- com_port->lcr = LCR_BKSE; /* Access baud rate */
- com_port->dll = baud_divisor & 0xff; /* 9600 baud */
- com_port->dlm = (baud_divisor >> 8) & 0xff;
- com_port->lcr = LCR_8N1; /* 8 data, 1 stop, no parity */
- com_port->mcr = MCR_DTR | MCR_RTS; /* RTS/DTR */
- /* Clear & enable FIFOs */
- com_port->fcr = FCR_FIFO_EN | FCR_RXSR | FCR_TXSR;
+}
+void NS16550_putc(volatile struct NS16550 *com_port, unsigned char c) +{
- while ((com_port->lsr & LSR_THRE) == 0) ;
- com_port->thr = c;
+}
+unsigned char NS16550_getc(volatile struct NS16550 *com_port) +{
- while ((com_port->lsr & LSR_DR) == 0) ;
- return (com_port->rbr);
+}
+int NS16550_tstc(volatile struct NS16550 *com_port)
</snip>
Your U-Boot support team