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