drivers/boards/IC_TEENSY_3_1/board.c

   1 /*
   2     ChibiOS - Copyright (C) 2015 RedoX https://github.com/RedoXyde
   3
   4     Licensed under the Apache License, Version 2.0 (the "License");
   5     you may not use this file except in compliance with the License.
   6     You may obtain a copy of the License at
   7
   8         http://www.apache.org/licenses/LICENSE-2.0
   9
  10     Unless required by applicable law or agreed to in writing, software
  11     distributed under the License is distributed on an "AS IS" BASIS,
  12     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13     See the License for the specific language governing permissions and
  14     limitations under the License.
  15 */
  16 #include "hal.h"
  17
  18 #if HAL_USE_PAL || defined(__DOXYGEN__)
  19 /**
  20  * @brief   PAL setup.
  21  * @details Digital I/O ports static configuration as defined in @p board.h.
  22  *          This variable is used by the HAL when initializing the PAL driver.
  23  */
  24 const PALConfig pal_default_config =
  25 {
  26     .ports = {
  27         {
  28             /*
  29              * PORTA setup.
  30              *
  31              * PTA4  - PIN33
  32              * PTA5  - PIN24
  33              * PTA12 - PIN3
  34              * PTA13 - PIN4
  35              *
  36              * PTA18/19 crystal
  37              * PTA0/3 SWD
  38              */
  39             .port = IOPORT1,
  40             .pads = {
  41                 PAL_MODE_ALTERNATIVE_7,     PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  42                 PAL_MODE_ALTERNATIVE_7,     PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,
  43                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  44                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  45                 PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_UNCONNECTED,
  46                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  47                 PAL_MODE_INPUT_ANALOG,      PAL_MODE_INPUT_ANALOG,      PAL_MODE_UNCONNECTED,
  48                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  49                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  50                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  51                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  52             },
  53         },
  54         {
  55             /*
  56              * PORTB setup.
  57              *
  58              * PTB0  - PIN16
  59              * PTB1  - PIN17
  60              * PTB2  - PIN19
  61              * PTB3  - PIN18
  62              * PTB16 - PIN0 - UART0_TX
  63              * PTB17 - PIN1 - UART0_RX
  64              * PTB18 - PIN32
  65              * PTB19 - PIN25
  66              */
  67             .port = IOPORT2,
  68             .pads = {
  69                 PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,
  70                 PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  71                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  72                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  73                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  74                 PAL_MODE_UNCONNECTED,       PAL_MODE_ALTERNATIVE_3,     PAL_MODE_ALTERNATIVE_3,
  75                 PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_UNCONNECTED,
  76                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  77                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  78                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  79                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
  80             },
  81         },
  82         {
  83             /*
  84              * PORTC setup.
  85              *
  86              * PTC0  - PIN15
  87              * PTC1  - PIN22
  88              * PTC2  - PIN23
  89              * PTC3  - PIN9
  90              * PTC4  - PIN10
  91              * PTC5  - PIN13
  92              * PTC6  - PIN11
  93              * PTC7  - PIN12
  94              * PTC8  - PIN28
  95              * PTC9  - PIN27
  96              * PTC10 - PIN29
  97              * PTC11 - PIN30
  98              */
  99             .port = IOPORT3,
 100             .pads = {
 101                 PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,
 102                 PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,
 103                 PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,
 104                 PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,
 105                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 106                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 107                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 108                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 109                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 110                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 111                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 112             },
 113         },
 114         {
 115             /*
 116              * PORTD setup.
 117              *
 118              * PTD0  - PIN2
 119              * PTD1  - PIN14
 120              * PTD2  - PIN7
 121              * PTD3  - PIN8
 122              * PTD4  - PIN6
 123              * PTD5  - PIN20
 124              * PTD6  - PIN21
 125              * PTD7  - PIN5
 126              */
 127             .port = IOPORT4,
 128             .pads = {
 129                 PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,
 130                 PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,
 131                 PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_UNCONNECTED,
 132                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 133                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 134                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 135                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 136                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 137                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 138                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 139                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 140             },
 141         },
 142         {
 143             /*
 144              * PORTE setup.
 145              *
 146              * PTE0  - PIN31
 147              * PTE1  - PIN26
 148              */
 149             .port = IOPORT5,
 150             .pads = {
 151                 PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_OUTPUT_PUSHPULL,   PAL_MODE_UNCONNECTED,
 152                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 153                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 154                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 155                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 156                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 157                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 158                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 159                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 160                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 161                 PAL_MODE_UNCONNECTED,       PAL_MODE_UNCONNECTED,
 162             },
 163         },
 164     },
 165 };
 166 #endif
 167
 168 // NOTE: This value comes from kiibohd/controller and is the location of a value
 169 // which needs to be checked before disabling the watchdog (which happens in
 170 // k20x_clock_init)
 171 #define WDOG_TMROUTL            *(volatile uint16_t *)0x40052012
 172
 173 /**
 174  * @brief   Early initialization code.
 175  * @details This initialization must be performed just after stack setup
 176  *          and before any other initialization.
 177  */
 178 void __early_init(void) {
 179   // This is a dirty hack and should only be used as a temporary fix until this
 180   // is upstreamed.
 181   while (WDOG_TMROUTL < 2); // Must wait for WDOG timer if already running, before jumping
 182
 183   k20x_clock_init();
 184 }
 185
 186 /**
 187  * @brief   Board-specific initialization code.
 188  * @todo    Add your board-specific code, if any.
 189  */
 190 void boardInit(void) {
 191 }