1 /*
2 * Copyright (c) 2012-2014 Travis Geiselbrecht
3 *
4 * Use of this source code is governed by a MIT-style
5 * license that can be found in the LICENSE file or at
6 * https://opensource.org/licenses/MIT
7 */
8 #include <lk/err.h>
9 #include <lk/debug.h>
10 #include <arch/arm/cm.h>
11 #include <dev/uart.h>
12 #include <platform.h>
13 #include <platform/nrf51.h>
14 #include <platform/system_nrf51.h>
15
16
17
platform_early_init(void)18 void platform_early_init(void) {
19 // Crank up the clock before initing timers.
20 SystemInit();
21 arm_cm_systick_init(32768);
22 }
23
platform_init(void)24 void platform_init(void) {
25 dprintf(SPEW, "Nordic nrf51xxx platform for lk...\n");
26 dprintf(SPEW, "\tFlash: %d pages of %d bytes each (%dk bytes total)\n", \
27 NRF_FICR->CODESIZE, NRF_FICR->CODEPAGESIZE, \
28 (NRF_FICR->CODESIZE * NRF_FICR->CODEPAGESIZE)>>10);
29 dprintf(SPEW, "\tRAM: %d blocks of %d bytes each (%dk bytes total)\n", \
30 NRF_FICR->NUMRAMBLOCK, NRF_FICR->SIZERAMBLOCKS, \
31 (NRF_FICR->NUMRAMBLOCK * NRF_FICR->SIZERAMBLOCKS)>>10);
32 dprintf(SPEW, "\tRadio MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", \
33 (NRF_FICR->DEVICEADDR[1] >> 8) & 0xFF, \
34 (NRF_FICR->DEVICEADDR[1]) & 0xFF, \
35 (NRF_FICR->DEVICEADDR[0] >> 24) & 0xFF, \
36 (NRF_FICR->DEVICEADDR[0] >> 16) & 0xFF, \
37 (NRF_FICR->DEVICEADDR[0] >> 8) & 0xFF, \
38 (NRF_FICR->DEVICEADDR[0] >> 0) & 0xFF);
39 dprintf(SPEW, "\tHWID: 0x%04x\n",NRF_FICR->CONFIGID & 0x0000ffff);
40
41 }
42