74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* OsmocomBB Layer1 initialization */
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/* (C) 2010 by Harald Welte <laforge@gnumonks.org>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <rffe.h>
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#include <rf/trf6151.h>
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#include <abb/twl3025.h>
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#include <calypso/tpu.h>
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#include <calypso/tsp.h>
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#include <calypso/dsp.h>
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#include <calypso/irq.h>
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#include <layer1/sync.h>
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#include <layer1/async.h>
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#include <layer1/l23_api.h>
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void layer1_init(void)
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{
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#ifndef CONFIG_TX_ENABLE
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printf("\n\nTHIS FIRMWARE WAS COMPILED WITHOUT TX SUPPORT!!!\n\n");
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#endif
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/* initialize asynchronous part of L1 */
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l1a_init();
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/* initialize TDMA Frame IRQ driven synchronous L1 */
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l1s_init();
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/* power up the DSP */
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dsp_power_on();
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/* Initialize TPU, TSP and TRF drivers */
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tpu_init();
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tsp_init();
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rffe_init();
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#if 0 /* only if RX TPU window is disabled! */
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/* Put TWL3025 in downlink mode (includes calibration) */
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twl3025_downlink(1, 1000);
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#endif
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/* issue the TRF and TWL initialization sequence */
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tpu_enq_sleep();
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tpu_enable(1);
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tpu_wait_idle();
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/* Disable RTC interrupt as it causes lost TDMA frames */
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irq_disable(IRQ_RTC_TIMER);
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/* inform l2 and upwards that we are ready for orders */
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l1ctl_tx_reset(L1CTL_RESET_IND, L1CTL_RES_T_BOOT);
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}
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