netarm: move serial driver to drivers/serial

add CONFIG_NETARM_SERIAL to activate the driver

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

2 files changed, 1 insertions, 201 deletions

diff --git a/cpu/arm720t/Makefile b/cpu/arm720t/Makefile
index c97f329..a038042 100644
--- a/cpu/arm720t/Makefile
+++ b/cpu/arm720t/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
 LIB	= $(obj)lib$(CPU).a
 
 START	= start.o
-COBJS	= serial.o serial_netarm.o interrupts.o cpu.o
+COBJS	= serial.o interrupts.o cpu.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
diff --git a/cpu/arm720t/serial_netarm.c b/cpu/arm720t/serial_netarm.c
deleted file mode 100644
index 1a1b2db..0000000
--- a/cpu/arm720t/serial_netarm.c
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * Serial Port stuff - taken from Linux
- *
- * (C) Copyright 2002
- * MAZeT GmbH <www.mazet.de>
- * Stephan Linz <linz@mazet.de>, <linz@li-pro.net>
- *
- * (c) 2004
- * IMMS gGmbH <www.imms.de>
- * Thomas Elste <info@elste.org>
- *
- * 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>
-
-#ifdef CONFIG_NETARM
-
-#include <asm/hardware.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define PORTA	(*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTA))
-#if !defined(CONFIG_NETARM_NS7520)
-#define PORTB	(*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTB))
-#else
-#define PORTC	(*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTC))
-#endif
-
-/* wait until transmitter is ready for another character */
-#define TXWAITRDY(registers)							\
-{										\
-	ulong tmo = get_timer(0) + 1 * CONFIG_SYS_HZ;					\
-	while (((registers)->status_a & NETARM_SER_STATA_TX_RDY) == 0 )	{	\
-		if (get_timer(0) > tmo)						\
-			break;							\
-	}									\
-}
-
-
-#ifndef CONFIG_UART1_CONSOLE
-volatile netarm_serial_channel_t *serial_reg_ch1 = get_serial_channel(0);
-volatile netarm_serial_channel_t *serial_reg_ch2 = get_serial_channel(1);
-#else
-volatile netarm_serial_channel_t *serial_reg_ch1 = get_serial_channel(1);
-volatile netarm_serial_channel_t *serial_reg_ch2 = get_serial_channel(0);
-#endif
-
-extern void _netarm_led_FAIL1(void);
-
-/*
- * Setup both serial i/f with given baudrate
- */
-void serial_setbrg (void)
-{
-	/* set 0 ... make sure pins are configured for serial */
-#if !defined(CONFIG_NETARM_NS7520)
-	PORTA = PORTB =
-		NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
-#else
-	PORTA = NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
-	PORTC = NETARM_GEN_PORT_CSF (0xef) | NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
-#endif
-
-	/* first turn em off */
-	serial_reg_ch1->ctrl_a = serial_reg_ch2->ctrl_a = 0;
-
-	/* clear match register, we don't need it */
-	serial_reg_ch1->rx_match = serial_reg_ch2->rx_match = 0;
-
-	/* setup bit rate generator and rx buffer gap timer (1 byte only) */
-	if ((gd->baudrate >= MIN_BAUD_RATE)
-	    && (gd->baudrate <= MAX_BAUD_RATE)) {
-		serial_reg_ch1->bitrate = serial_reg_ch2->bitrate =
-			NETARM_SER_BR_X16 (gd->baudrate);
-		serial_reg_ch1->rx_buf_timer = serial_reg_ch2->rx_buf_timer =
-			0;
-		serial_reg_ch1->rx_char_timer = serial_reg_ch2->rx_char_timer =
-			NETARM_SER_RXGAP (gd->baudrate);
-	} else {
-		hang ();
-	}
-
-	/* setup port mode */
-	serial_reg_ch1->ctrl_b = serial_reg_ch2->ctrl_b =
-		( NETARM_SER_CTLB_RCGT_EN |
-		  NETARM_SER_CTLB_UART_MODE);
-	serial_reg_ch1->ctrl_a = serial_reg_ch2->ctrl_a =
-		( NETARM_SER_CTLA_ENABLE |
-		  NETARM_SER_CTLA_P_NONE |
-		  /* see errata */
-		  NETARM_SER_CTLA_2STOP |
-		  NETARM_SER_CTLA_8BITS |
-		  NETARM_SER_CTLA_DTR_EN |
-		  NETARM_SER_CTLA_RTS_EN);
-}
-
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- */
-int serial_init (void)
-{
-	serial_setbrg ();
-	return 0;
-}
-
-
-/*
- * Output a single byte to the serial port.
- */
-void serial_putc (const char c)
-{
-	volatile unsigned char *fifo;
-
-	/* If \n, also do \r */
-	if (c == '\n')
-		serial_putc ('\r');
-
-	fifo = (volatile unsigned char *) &(serial_reg_ch1->fifo);
-	TXWAITRDY (serial_reg_ch1);
-	*fifo = c;
-}
-
-/*
- * Test of a single byte from the serial port. Returns 1 on success, 0
- * otherwise.
- */
-int serial_tstc(void)
-{
-	return serial_reg_ch1->status_a & NETARM_SER_STATA_RX_RDY;
-}
-
-/*
- * Read a single byte from the serial port. Returns 1 on success, 0
- * otherwise.
- */
-int serial_getc (void)
-{
-	unsigned int ch_uint;
-	volatile unsigned int *fifo;
-	volatile unsigned char *fifo_char = NULL;
-	int buf_count = 0;
-
-	while (!(serial_reg_ch1->status_a & NETARM_SER_STATA_RX_RDY))
-		/* NOP */ ;
-
-	fifo = (volatile unsigned int *) &(serial_reg_ch1->fifo);
-	fifo_char = (unsigned char *) &ch_uint;
-	ch_uint = *fifo;
-
-	buf_count = NETARM_SER_STATA_RXFDB (serial_reg_ch1->status_a);
-	switch (buf_count) {
-	case NETARM_SER_STATA_RXFDB_4BYTES:
-		buf_count = 4;
-		break;
-	case NETARM_SER_STATA_RXFDB_3BYTES:
-		buf_count = 3;
-		break;
-	case NETARM_SER_STATA_RXFDB_2BYTES:
-		buf_count = 2;
-		break;
-	case NETARM_SER_STATA_RXFDB_1BYTES:
-		buf_count = 1;
-		break;
-	default:
-		/* panic, be never here */
-		break;
-	}
-
-	serial_reg_ch1->status_a |= NETARM_SER_STATA_RX_CLOSED;
-
-	return ch_uint & 0xff;
-}
-
-void serial_puts (const char *s)
-{
-	while (*s) {
-		serial_putc (*s++);
-	}
-}
-
-#endif /* CONFIG_NETARM */