From 39d58838d968b6a79bbae61380836dfbbd292b6e Mon Sep 17 00:00:00 2001
From: xiangfu <xiangfu@openmoko.org>
Date: Thu, 12 Jun 2008 18:22:49 -0400
Subject: [PATCH] blink led

---
 qiboot/Makefile     | 25 +++++++++++++++++++++++++
 qiboot/README       |  0
 qiboot/config.mk    | 11 +++++++++++
 qiboot/src/Makefile | 35 +++++++++++++++++++++++++++++++++++
 qiboot/src/led.S    | 12 ++++++++++++
 qiboot/src/led.c    | 29 +++++++++++++++++++++++++++++
 6 files changed, 112 insertions(+)
 create mode 100644 qiboot/Makefile
 create mode 100644 qiboot/README
 create mode 100644 qiboot/config.mk
 create mode 100644 qiboot/src/Makefile
 create mode 100644 qiboot/src/led.S
 create mode 100644 qiboot/src/led.c

diff --git a/qiboot/Makefile b/qiboot/Makefile
new file mode 100644
index 0000000..b49ee49
--- /dev/null
+++ b/qiboot/Makefile
@@ -0,0 +1,25 @@
+# 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 ./config.mk
+
+all :
+	cd src ; make all
+
+clean:
+	cd src ; make clean
+
+
diff --git a/qiboot/README b/qiboot/README
new file mode 100644
index 0000000..e69de29
diff --git a/qiboot/config.mk b/qiboot/config.mk
new file mode 100644
index 0000000..c475739
--- /dev/null
+++ b/qiboot/config.mk
@@ -0,0 +1,11 @@
+#
+# Include the make variables (CC, etc...)
+#
+CROSS_COMPILE=arm-angstrom-linux-gnueabi-
+
+AS	= $(CROSS_COMPILE)as
+LD	= $(CROSS_COMPILE)ld
+CC	= $(CROSS_COMPILE)gcc
+OBJCOPY = $(CROSS_COMPILE)objcopy
+
+export CROSS_COMPILE AD LD CC OBJCOPY
diff --git a/qiboot/src/Makefile b/qiboot/src/Makefile
new file mode 100644
index 0000000..39d2d0d
--- /dev/null
+++ b/qiboot/src/Makefile
@@ -0,0 +1,35 @@
+# 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
+#
+
+
+
+TEXT_BASE	=0x0000000
+
+INCLUDE		=../include
+IMAGE		=../image
+CFLAGS		=-I $(INCLUDE) -g -c -o
+
+all:led.S led.c
+	$(CC) $(CFLAGS) led_S.o led.S
+	$(CC) $(CFLAGS) led_C.o led.c
+	$(LD) -Ttext $(TEXT_BASE) -g led_S.o led_C.o  -o led.o
+	$(OBJCOPY) -O binary -S led.o $(IMAGE)/led_on 
+
+clean:
+	rm -f *.o
+	rm -f led_on
+	rm -f $(IMAGE)/*
+
diff --git a/qiboot/src/led.S b/qiboot/src/led.S
new file mode 100644
index 0000000..8e539df
--- /dev/null
+++ b/qiboot/src/led.S
@@ -0,0 +1,12 @@
+.global _start
+_start:	
+	ldr	sp,=1024*4
+	
+.extern main
+	bl	main
+.global delay
+delay:
+	subs	r0,r0,#0x1
+	bne	delay
+	mov	pc,lr
+
diff --git a/qiboot/src/led.c b/qiboot/src/led.c
new file mode 100644
index 0000000..5e8447b
--- /dev/null
+++ b/qiboot/src/led.c
@@ -0,0 +1,29 @@
+#define GPBCON        (*(volatile unsigned *)0x56000010)
+#define GPBDAT        (*(volatile unsigned *)0x56000014)
+#define GPBDW         (*(volatile unsigned *)0x56000018)   
+#define LED3_ON()    (GPBDAT &= ~(0x1))  
+#define LED4_ON()    (GPBDAT &= ~(0x2))   
+#define LED3_OFF()     (GPBDAT |= (0x1))
+#define LED4_OFF()     (GPBDAT |= (0x2))
+
+extern void delay(int time);
+
+int main()
+{
+    GPBCON = 0x5;
+    GPBDW = 0xffff;
+    while(1)
+    {
+	LED3_ON();
+	delay(0xffff);
+	LED3_OFF() ;
+	delay(0xffff);
+
+	LED4_ON();
+	delay(0xffff);
+	LED4_OFF();
+	delay(0xffff);   
+    }
+    return 1;
+}
+