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/* 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/async.h>
#include <layer1/l23_api.h>
void layer1_init(void)
{
struct msgb *msg;
struct l1ctl_reset *res;
#ifndef CONFIG_TX_ENABLE
printf("\n\nTHIS FIRMWARE WAS COMPILED WITHOUT TX SUPPORT!!!\n\n");
#endif
/* initialize asynchronous part of L1 */
l1a_init();
/* 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(L1CTL_RESET_IND, 0, 0, 0);
res = msgb_put(msg, sizeof(*res));
res->type = L1CTL_RES_T_BOOT;
l1_queue_for_l2(msg);
}
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