150 lines
5.2 KiB
C
150 lines
5.2 KiB
C
/****************************************************************************
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* boards/avr/at32uc3/mizar32a/include/board.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_AVR_AT32UC3_MIZAR32A_INCLUDE_BOARD_H
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#define __BOARDS_AVR_AT32UC3_MIZAR32A_INCLUDE_BOARD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <nuttx/irq.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Clocking *****************************************************************/
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/* Oscillator setup: RCOSC, OSC32, OSC0, OSC1. Only RCOSC, OSC0, or PLL0
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* can drive the main clock.
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*/
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/* The RCOSC frequency needs to be calibrated! */
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#define AVR32_FRCOSC 115000 /* RCOSC frequency in Hz. 115KHz nominal */
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#define AVR32_FOSC32 32768 /* OSC32 frequency in Hz */
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#define AVR32_OSC32STARTUP 3 /* OSC32 startup time in RCOSC periods */
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#define AVR32_FOSC0 12000000 /* OSC0 frequency in Hz */
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#define AVR32_OSC0STARTUP 3 /* OSC0 startup time in RCOSC periods. */
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/* #define AVR32_FOSC1 12000000 OSC1 frequency: Hz.
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* #define AVR32_OSC1STARTUP 3 OSC1 startup time in RCOSC periods.
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*/
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/* PLL setup
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*
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* FOSC0 MUL DIV PLL DIV2_EN CPU_CLOCK PBA_CLOCK COMMENT
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* (MHz) (MHz) (MHz) (MHz)
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* 12 15 1 192 1 12 12
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* 12 9 3 40 1 20 20 PLL out of spec
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* 12 15 1 192 1 24 12
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* 12 9 1 120 1 30 15
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* 12 9 3 40 0 40 20 PLL out of spec
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* 12 15 1 192 1 48 12
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* 12 15 1 192 1 48 24
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* 12 8 1 108 1 54 27
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* 12 9 1 120 1 60 15
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* 12 9 1 120 1 60 30
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* 12 10 1 132 1 66 16.5 This applies for Mizar32-A.
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*/
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#define AVR32_CLOCK_PLL0_OSC0 1
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#undef AVR32_CLOCK_PLL0_OSC1
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#define AVR32_PLL0_MUL 10
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#define AVR32_PLL0_DIV 1
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#define AVR32_PLL0_DIV2 1
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#define AVR32_PLL0_WBWM 0
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#define AVR32_PLL0_FREQ 132000000
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/* Set PLL1 @ 96 MHz from OSC0: 12MHz*(7+1)/1 = 96MHz */
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#define AVR32_CLOCK_PLL1_OSC0 1
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#undef AVR32_CLOCK_PLL1_OSC1
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#define AVR32_PLL1_MUL 7
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#define AVR32_PLL1_DIV 1
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#define AVR32_PLL1_DIV2 1
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#define AVR32_PLL1_WBWM 0
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#define AVR32_PLL1_FREQ 96000000
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/* Clock divider setup */
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#define AVR32_CKSEL_CPUDIV 0
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#define AVR32_CKSEL_HSBDIV 0
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#define AVR32_CKSEL_PBADIV 1
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#define AVR32_CKSEL_PBBDIV 0
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/* GCLK_USBB */
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#undef AVR32_CLOCK_USB_PLL0
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#define AVR32_CLOCK_USB_PLL1 1
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#undef AVR32_CLOCK_USB_OSC0
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#undef AVR32_CLOCK_USB_OSC1
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#define AVR32_CLOCK_USB_DIV 0
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/* Main Clock setup: Select OSC0 as the main clock.
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*
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* - A 12MHz crystal is provided on he board for OSC0.
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* - The Mizar32-A board has no support for OSC1.
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* - There are pads for the 32KHz OSC32, but it is not populated on the
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* board.
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*/
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#define AVR32_CLOCK_OSC0 1
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#undef AVR32_CLOCK_OSC1 /* Not supported */
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#undef AVR32_CLOCK_OSC32 /* Not populated */
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#define AVR32_CLOCK_PLL0 /* Enable PLL0 */
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#undef AVR32_CLOCK_PLL1
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#define AVR32_CPU_CLOCK 66000000
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#define AVR32_PBA_CLOCK 16500000
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/* Pin muliplexing selecion *************************************************/
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#define PINMUX_USART1_RXD PINMUX_USART1_RXD_0
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#define PINMUX_USART1_TXD PINMUX_USART1_TXD_0
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/* LED definitions **********************************************************/
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/* The Mizar32-A board has only one controllable LED */
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#define LED_STARTED 0 /* No LEDs */
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#define LED_HEAPALLOCATE 1 /* LED1 on */
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#define LED_IRQSENABLED 2 /* LED2 on */
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#define LED_STACKCREATED 3 /* LED1 on */
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#define LED_INIRQ 4 /* LED1 off */
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#define LED_SIGNAL 5 /* LED2 on */
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#define LED_ASSERTION 6 /* LED1 + LED2 */
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#define LED_PANIC 7 /* LED1 / LED2 blinking */
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/* Button definitions *******************************************************/
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/* The Mizar32 board has 2 BUTTONs,
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* one of which can be sensed through GPIO pins.
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*/
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#define BUTTON1 1 /* Bit 0: Button 1 */
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#endif /* __BOARDS_AVR_AT32UC3_MIZAR32A_INCLUDE_BOARD_H */
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