Merge branch 'master' of git://git.denx.de/u-boot-at91

4 files changed, 9 insertions, 137 deletions

diff --git a/cpu/arm920t/at91rm9200/Makefile b/cpu/arm920t/at91rm9200/Makefile
index ab4c52c..67f17fa 100644
--- a/cpu/arm920t/at91rm9200/Makefile
+++ b/cpu/arm920t/at91rm9200/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
 LIB	= $(obj)lib$(SOC).a
 
 COBJS	= bcm5221.o dm9161.o ether.o i2c.o interrupts.o \
-	  lxt972.o serial.o usb.o spi.o
+	  lxt972.o usb.o spi.o
 SOBJS	= lowlevel_init.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/cpu/arm920t/at91rm9200/interrupts.c b/cpu/arm920t/at91rm9200/interrupts.c
index 5f0703c..cff4916 100644
--- a/cpu/arm920t/at91rm9200/interrupts.c
+++ b/cpu/arm920t/at91rm9200/interrupts.c
@@ -45,6 +45,8 @@ AT91PS_TC tmr;
 static ulong timestamp;
 static ulong lastinc;
 
+void board_reset(void) __attribute__((__weak__));
+
 int interrupt_init (void)
 {
 	tmr = AT91C_BASE_TC0;
@@ -166,29 +168,14 @@ ulong get_tbclk (void)
 void reset_cpu (ulong ignored)
 {
 
-#ifdef CONFIG_DBGU
-	AT91PS_USART us = (AT91PS_USART) AT91C_BASE_DBGU;
-#endif
-#ifdef CONFIG_USART0
-	AT91PS_USART us = AT91C_BASE_US0;
-#endif
-#ifdef CONFIG_USART1
-	AT91PS_USART us = AT91C_BASE_US1;
-#endif
-#ifdef CONFIG_AT91RM9200DK
-	AT91PS_PIO pio = AT91C_BASE_PIOA;
-#endif
-
+#if defined(CONFIG_AT91RM9200_USART)
 	/*shutdown the console to avoid strange chars during reset */
-	us->US_CR = (AT91C_US_RSTRX | AT91C_US_RSTTX);
-
-#ifdef CONFIG_AT91RM9200DK
-	/* Clear PA19 to trigger the hard reset */
-	pio->PIO_CODR = 0x00080000;
-	pio->PIO_OER  = 0x00080000;
-	pio->PIO_PER  = 0x00080000;
+	serial_exit();
 #endif
 
+	if (board_reset)
+		board_reset();
+
 	/* this is the way Linux does it */
 
 	/* FIXME:
diff --git a/cpu/arm920t/at91rm9200/serial.c b/cpu/arm920t/at91rm9200/serial.c
deleted file mode 100644
index d563445..0000000
--- a/cpu/arm920t/at91rm9200/serial.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * (C) Copyright 2002
- * Lineo, Inc <www.lineo.com>
- * Bernhard Kuhn <bkuhn@lineo.com>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
- *
- * 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 <asm/io.h>
-#include <asm/arch/hardware.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if !defined(CONFIG_DBGU) && !defined(CONFIG_USART0) && !defined(CONFIG_USART1)
-#error must define one of CONFIG_DBGU or CONFIG_USART0 or CONFIG_USART1
-#endif
-
-/* ggi thunder */
-#ifdef CONFIG_DBGU
-AT91PS_USART us = (AT91PS_USART) AT91C_BASE_DBGU;
-#endif
-#ifdef CONFIG_USART0
-AT91PS_USART us = (AT91PS_USART) AT91C_BASE_US0;
-#endif
-#ifdef CONFIG_USART1
-AT91PS_USART us = (AT91PS_USART) AT91C_BASE_US1;
-#endif
-
-void serial_setbrg (void)
-{
-	int baudrate;
-
-	if ((baudrate = gd->baudrate) <= 0)
-		baudrate = CONFIG_BAUDRATE;
-	/* MASTER_CLOCK/(16 * baudrate) */
-	us->US_BRGR = (AT91C_MASTER_CLOCK >> 4) / (unsigned)baudrate;
-}
-
-int serial_init (void)
-{
-	/* make any port initializations specific to this port */
-#ifdef CONFIG_DBGU
-	*AT91C_PIOA_PDR = AT91C_PA31_DTXD | AT91C_PA30_DRXD;	/* PA 31 & 30 */
-	*AT91C_PMC_PCER = 1 << AT91C_ID_SYS;	/* enable clock */
-#endif
-#ifdef CONFIG_USART0
-	*AT91C_PIOA_PDR = AT91C_PA17_TXD0 | AT91C_PA18_RXD0;
-	*AT91C_PMC_PCER |= 1 << AT91C_ID_USART0;	/* enable clock */
-#endif
-#ifdef CONFIG_USART1
-	*AT91C_PIOB_PDR = AT91C_PB21_TXD1 | AT91C_PB20_RXD1;
-	*AT91C_PMC_PCER |= 1 << AT91C_ID_USART1;	/* enable clock */
-#endif
-	serial_setbrg ();
-
-	us->US_CR = AT91C_US_RSTRX | AT91C_US_RSTTX;
-	us->US_CR = AT91C_US_RXEN | AT91C_US_TXEN;
-	us->US_MR =
-		(AT91C_US_CLKS_CLOCK | AT91C_US_CHRL_8_BITS |
-		 AT91C_US_PAR_NONE | AT91C_US_NBSTOP_1_BIT);
-	us->US_IMR = ~0ul;
-	return (0);
-}
-
-void serial_putc (const char c)
-{
-	if (c == '\n')
-		serial_putc ('\r');
-	while ((us->US_CSR & AT91C_US_TXRDY) == 0);
-	us->US_THR = c;
-}
-
-void serial_puts (const char *s)
-{
-	while (*s) {
-		serial_putc (*s++);
-	}
-}
-
-int serial_getc (void)
-{
-	while ((us->US_CSR & AT91C_US_RXRDY) == 0);
-	return us->US_RHR;
-}
-
-int serial_tstc (void)
-{
-	return ((us->US_CSR & AT91C_US_RXRDY) == AT91C_US_RXRDY);
-}
diff --git a/cpu/arm920t/start.S b/cpu/arm920t/start.S
index fbcfe6d..f610e9f 100644
--- a/cpu/arm920t/start.S
+++ b/cpu/arm920t/start.S
@@ -258,11 +258,9 @@ cpu_init_crit:
 	 * find a lowlevel_init.S in your board directory.
 	 */
 	mov	ip, lr
-#if	defined(CONFIG_AT91RM9200EK)
 
-#else
 	bl	lowlevel_init
-#endif
+
 	mov	lr, ip
 	mov	pc, lr
 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */