forked from Archive/PX4-Autopilot
258 lines
9.8 KiB
C
258 lines
9.8 KiB
C
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/************************************************************************************
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* configs/avr32dev1/include/board.h
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* include/arch/board/board.h
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*
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* Copyright (C) 2010-2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_BOARD_BOARD_H
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#define __ARCH_BOARD_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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* 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 can drive
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* 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
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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 15
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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 192000000
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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 0
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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 settup: 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 AVR32DEV1 board has no support for OSC1.
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* - There are pads for he 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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#undef AVR32_CLOCK_PLL0
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#undef AVR32_CLOCK_PLL1
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#define AVR32_CPU_CLOCK AVR32_FOSC0
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#define AVR32_PBA_CLOCK AVR32_FOSC0
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/* Pin muliplexing selecion *********************************************************/
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#define PINMUX_USART1_RXD PINMUX_USART1_RXD_1
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#define PINMUX_USART1_TXD PINMUX_USART1_TXD_1
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/* LED definitions ******************************************************************/
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/* The AVR32DEV1 board has 3 LEDs, two of which can be controlled through GPIO pins */
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/* ON OFF */
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/* LED1 LED2 LED1 LED2 */
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#define LED_STARTED 0 /* OFF OFF OFF OFF */
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#define LED_HEAPALLOCATE 0 /* OFF OFF OFF OFF */
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#define LED_IRQSENABLED 0 /* OFF OFF OFF OFF */
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#define LED_STACKCREATED 1 /* ON OFF OFF OFF */
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#define LED_INIRQ 2 /* ON ON ON OFF */
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#define LED_SIGNAL 2 /* ON ON ON OFF */
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#define LED_ASSERTION 2 /* ON ON ON OFF */
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#define LED_PANIC 2 /* ON ON ON OFF */
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/* Button definitions ***************************************************************/
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/* The AVR32DEV1 board has 3 BUTTONs, two of which can be sensed through GPIO pins. */
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#define BUTTON1 1 /* Bit 0: Button 1 */
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#define BUTTON2 2 /* Bit 1: Button 2 */
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/************************************************************************************
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* Public Types
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************************************************************************************/
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#ifndef __ASSEMBLY__
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/************************************************************************************
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* Public Data
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************************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/************************************************************************************
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* Public Function Prototypes
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************************************************************************************/
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/************************************************************************************
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* Name: avr32_boardinitialize
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*
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* Description:
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* All AVR32 architectures must provide the following entry point. This entry point
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* is called early in the intitialization -- after all memory has been configured
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* and mapped but before any devices have been initialized.
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*
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************************************************************************************/
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EXTERN void avr32_boardinitialize(void);
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/************************************************************************************
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* Name: up_buttoninit
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*
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* Description:
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* up_buttoninit() must be called to initialize button resources. After
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* that, up_buttons() may be called to collect the current state of all
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* buttons or up_irqbutton() may be called to register button interrupt
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* handlers.
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*
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* NOTE: Nothing in the "base" NuttX code calls up_buttoninit(). If you want button
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* support in an application, your application startup code must call up_buttoninit()
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* prior to calling any of the other button interfaces.
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*
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************************************************************************************/
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#ifdef CONFIG_ARCH_BUTTONS
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EXTERN void up_buttoninit(void);
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/************************************************************************************
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* Name: up_buttons
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*
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* Description:
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* After up_buttoninit() has been called, up_buttons() may be called to collect
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* the state of all buttons. up_buttons() returns an 8-bit bit set with each bit
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* associated with a button. See the BUTTON* definitions above for the meaning of
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* each bit in the returned value.
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*
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************************************************************************************/
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EXTERN uint8_t up_buttons(void);
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/************************************************************************************
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* Name: up_irqbutton
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*
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* Description:
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* This function may be called to register an interrupt handler that will be
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* called when a button is depressed or released. The ID value is one of the
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* BUTTON* definitions provided above. The previous interrupt handler address is
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* returned (so that it may restored, if so desired).
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*
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* Configuration Notes:
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* Configuration CONFIG_AVR32_GPIOIRQ must be selected to enable the overall GPIO
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* IRQ feature and CONFIG_AVR32_GPIOIRQSETA and/or CONFIG_AVR32_GPIOIRQSETB must
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* be enabled to select GPIOs to support interrupts on. For button support, bits
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* 2 and 3 must be set in CONFIG_AVR32_GPIOIRQSETB (PB2 and PB3).
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*
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************************************************************************************/
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#ifdef CONFIG_AVR32_GPIOIRQ
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EXTERN xcpt_t up_irqbutton(int id, xcpt_t irqhandler);
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#endif
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#endif /* CONFIG_ARCH_BUTTONS */
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_BOARD_BOARD_H */
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