5
Last change
on this file since a4e96cf was
a4e96cf,
checked in by Vijay Kumar Banerjee <vijaykumar9597@…>, on 09/17/19 at 20:46:05
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bsps/beagle: register i2c device at initialization
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Property mode set to
100644
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File size:
1.5 KB
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1 | /* |
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2 | * Copyright (c) 2013 embedded brains GmbH. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Dornierstr. 4 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <info@embedded-brains.de> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #include <bsp.h> |
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16 | #include <bsp/bootcard.h> |
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17 | #include <bsp/irq-generic.h> |
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18 | #include <bsp/fdt.h> |
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19 | #include <bsp/linker-symbols.h> |
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20 | #include <bsp/i2c.h> |
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21 | #include <rtems/sysinit.h> |
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22 | |
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23 | #include "bspdebug.h" |
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24 | |
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25 | void bsp_start(void) |
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26 | { |
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27 | #if IS_DM3730 |
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28 | const char* type = "dm3730-based"; |
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29 | #endif |
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30 | #if IS_AM335X |
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31 | const char* type = "am335x-based"; |
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32 | #endif |
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33 | bsp_interrupt_initialize(); |
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34 | printk("\nRTEMS Beagleboard: %s\n", type); |
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35 | printk(" ARM Debug: 0x%08x\n", (intptr_t) bbb_arm_debug_registers()); |
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36 | rtems_cache_coherent_add_area( |
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37 | bsp_section_nocacheheap_begin, |
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38 | (uintptr_t) bsp_section_nocacheheap_size |
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39 | ); |
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40 | } |
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41 | |
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42 | uint32_t bsp_fdt_map_intr(const uint32_t *intr, size_t icells) |
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43 | { |
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44 | return intr[0]; |
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45 | } |
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46 | |
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47 | static void bbb_i2c_0_initialize(void) |
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48 | { |
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49 | int err; |
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50 | |
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51 | err = am335x_i2c_bus_register(BBB_I2C_0_BUS_PATH, |
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52 | AM335X_I2C0_BASE, |
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53 | I2C_BUS_CLOCK_DEFAULT, |
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54 | BBB_I2C0_IRQ); |
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55 | if (err != 0) { |
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56 | printk("rtems i2c-0: Device could not be registered (%d)", err); |
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57 | } |
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58 | } |
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59 | |
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60 | RTEMS_SYSINIT_ITEM( |
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61 | bbb_i2c_0_initialize, |
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62 | RTEMS_SYSINIT_LAST, |
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63 | RTEMS_SYSINIT_ORDER_LAST |
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64 | ); |
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