1 files changed, 70 insertions, 0 deletions
diff --git a/src/target/firmware/layer1/init.c b/src/target/firmware/layer1/init.c
new file mode 100644
index 00000000..1c387772
--- /dev/null
+++ b/src/target/firmware/layer1/init.c
@@ -0,0 +1,70 @@
+/* OsmocomBB Layer1 initialization */
+
+/* (C) 2010 by Harald Welte <laforge@gnumonks.org>
+ *
+ * All Rights Reserved
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+
+#include <stdint.h>
+#include <stdio.h>
+
+#include <rffe.h>
+#include <rf/trf6151.h>
+#include <abb/twl3025.h>
+#include <calypso/tpu.h>
+#include <calypso/tsp.h>
+#include <calypso/dsp.h>
+#include <calypso/irq.h>
+
+#include <layer1/sync.h>
+#include <layer1/l23_api.h>
+
+void layer1_init(void)
+{
+	struct msgb *msg;
+
+	/* initialize TDMA Frame IRQ driven synchronous L1 */
+	l1s_init();
+	/* power up the DSP */
+	dsp_power_on();
+
+	/* Initialize TPU, TSP and TRF drivers */
+	tpu_init();
+	tsp_init();
+	trf6151_init();
+
+	rffe_init();
+
+#if 0 /* only if RX TPU window is disabled! */
+	/* Put TWL3025 in downlink mode (includes calibration) */
+	twl3025_downlink(1, 1000);
+#endif
+
+	/* issue the TRF and TWL initialization sequence */
+	tpu_enq_sleep();
+	tpu_enable(1);
+	tpu_wait_idle();
+
+	/* Disable RTC interrupt as it causes lost TDMA frames */
+	irq_disable(IRQ_RTC_TIMER);
+
+	/* inform l2 and upwards that we are ready for orders */
+	msg = l1_create_l2_msg(LAYER1_RESET, 0, 0);
+	l1_queue_for_l2(msg);
+}