f735584514
- No code changes - All files are now utf-8 encoded - Some non-utf-8 characters in comments were changed or removed
312 lines
11 KiB
C
312 lines
11 KiB
C
/****************************************************************************
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* boards/arm/sama5/sama5d3-xplained/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_ARM_SAMA5_SAMA5D3_XPLAINED_INCLUDE_BOARD_H
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#define __BOARDS_ARM_SAMA5_SAMA5D3_XPLAINED_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 <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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/* After power-on reset, the SAMA5 device is running on a 12MHz internal RC.
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* These definitions will configure operational clocking.
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*/
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/* On-board crystal frequencies */
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#define BOARD_MAINOSC_FREQUENCY (12000000) /* MAINOSC: 12MHz crystal on-board */
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#define BOARD_SLOWCLK_FREQUENCY (32768) /* Slow Clock: 32.768KHz */
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#if defined(CONFIG_SAMA5_BOOT_SDRAM)
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/* When booting from SDRAM, NuttX is loaded in SDRAM by an intermediate
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* bootloader.
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* That bootloader had to have already configured the PLL and SDRAM for
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* proper operation.
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*
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* In this case, we don not reconfigure the clocking.
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* Rather, we need to query the register settings to determine the clock
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* frequencies.
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* We can only assume that the Main clock source is the on-board 12MHz
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* crystal.
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*/
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# include <arch/board/board_sdram.h>
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#elif defined(CONFIG_SAMA5D3XPLAINED_384MHZ)
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/* OHCI Only.
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* This is an alternative slower configuration that will produce a 48MHz
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* USB clock with the required accuracy using only PLLA.
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* When PPLA is used to clock OHCI, an additional requirement is the
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* PLLACK be a multiple of 48MHz.
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* This setup results in a CPU clock of 384MHz.
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*
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* This case is only interesting for experimentation.
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*/
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# include <arch/board/board_384mhz.h>
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#elif defined(CONFIG_SAMA5D3XPLAINED_528MHZ)
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/* This is the configuration results in a CPU clock of 528MHz.
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*
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* In this configuration, UPLL is the source of the UHPHS clock (if enabled).
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*/
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# include <arch/board/board_528mhz.h>
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#else /* #elif defined(CONFIG_SAMA5D3XPLAINED_396MHZ) */
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/* This is the configuration provided in the Atmel example code.
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* This setup results in a CPU clock of 396MHz.
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*
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* In this configuration, UPLL is the source of the UHPHS clock (if enabled).
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*/
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# include <arch/board/board_396mhz.h>
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#endif
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/* LED definitions **********************************************************/
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/* There are two LEDs on the SAMA5D3 series-CM board that can be controlled
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* by software. A blue LED is controlled via PIO pins. A red LED normally
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* provides an indication that power is supplied to the board but can also
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* be controlled via software.
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*
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* PE23. This blue LED is pulled high and is illuminated by pulling PE23
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* low.
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*
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* PE24. The red LED is also pulled high but is driven by a transistor so
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* that it is illuminated when power is applied even if PE24 is not
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* configured as an output. If PE24 is configured as an output, then the
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* LCD is illuminated by a high output.
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*/
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/* LED index values for use with board_userled() */
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#define BOARD_BLUE 0
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#define BOARD_RED 1
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#define BOARD_NLEDS 2
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/* LED bits for use with board_userled_all() */
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#define BOARD_BLUE_BIT (1 << BOARD_BLUE)
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#define BOARD_RED_BIT (1 << BOARD_RED)
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/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
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* defined. In that case, the usage by the board port is defined in
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* include/board.h and src/sam_leds.c. The LEDs are used to encode OS-related
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* events as follows:
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*
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* SYMBOL Val Meaning LED state
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* Blue Red
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* ----------------- --- ----------------------- -------- --------
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*/
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#define LED_STARTED 0 /* NuttX has been started OFF OFF */
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#define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF OFF */
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#define LED_IRQSENABLED 0 /* Interrupts enabled OFF OFF */
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#define LED_STACKCREATED 1 /* Idle stack created ON OFF */
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#define LED_INIRQ 2 /* In an interrupt No change */
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#define LED_SIGNAL 2 /* In a signal handler No change */
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#define LED_ASSERTION 2 /* An assertion failed No change */
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#define LED_PANIC 3 /* The system has crashed OFF Blinking */
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#undef LED_IDLE /* MCU is is sleep mode Not used */
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/* Thus if the blue LED is statically on, NuttX has successfully booted and
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* is, apparently, running normmally. If the red is flashing at
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* approximately 2Hz, then a fatal error has been detected and the system
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* has halted.
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*/
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/* Button definitions *******************************************************/
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/* The following push buttons switches are available:
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*
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* 1. One board reset button (BP2). When pressed and released, this push
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* button causes a power-on reset of the whole board.
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*
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* 2. One wakeup pushbutton that brings the processor out of Low-power mode
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* (BP1)
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*
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* 3. One user pushbutton (BP3)
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*
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* Only the user push button (BP3) is controllable by software:
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*
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* - PE29. Pressing the switch connect PE29 to ground. Therefore, PE29
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* must be pulled high internally. When the button is pressed the SAMA5
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* will sense "0" is on PE29.
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*/
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#define BUTTON_USER 0
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#define NUM_BUTTONS 1
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#define BUTTON_USER_BIT (1 << BUTTON_USER)
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/* NAND *********************************************************************/
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/* Address for transferring command bytes to the nandflash, CLE A22 */
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#define BOARD_EBICS3_NAND_CMDADDR 0x60400000
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/* Address for transferring address bytes to the nandflash, ALE A21 */
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#define BOARD_EBICS3_NAND_ADDRADDR 0x60200000
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/* Address for transferring data bytes to the nandflash. */
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#define BOARD_EBICS3_NAND_DATAADDR 0x60000000
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/* PIO configuration ********************************************************/
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/* PWM.
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* There are no dedicated PWM output pins available to the user for PWM
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* testing.
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* Care must be taken because all PWM output pins conflict with some other
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* usage of the pin by other devices.
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* Furthermore, many of these pins have not been brought out to an external
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* connector:
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*
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* -----+---+---+----+------+----------------
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* PWM PIN PER PIO I/O CONFLICTS
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* -----+---+---+----+------+----------------
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* PWM0 FI B PC28 J2.30 SPI1, ISI
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* H B PB0 --- GMAC
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* B PA20 J1.14 LCDC, ISI
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* L B PB1 --- GMAC
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* B PA21 J1.16 LCDC, ISI
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* -----+---+---+----+------+----------------
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* PWM1 FI B PC31 J2.36 HDMI
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* H B PB4 --- GMAC
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* B PA22 J1.18 LCDC, ISI
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* L B PB5 --- GMAC
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* B PE31 J3.20 ISI, HDMI
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* B PA23 J1.20 LCDC, ISI
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* -----+---+---+----+------+----------------
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* PWM2 FI B PC29 J2.29 UART0, ISI, HDMI
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* H C PD5 --- HSMCI0
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* B PB8 --- GMAC
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* L C PD6 --- HSMCI0
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* B PB9 --- GMAC
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* -----+---+---+----+------+----------------
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* PWM3 FI C PD16 --- SPI0, Audio
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* H C PD7 --- HSMCI0
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* B PB12 J3.7 GMAC
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* L C PD8 --- HSMCI0
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* B PB13 --- GMAC
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* -----+---+---+----+------+----------------
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*/
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/* PWM channel 0:
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*
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* PA20 and PA21 can be used if the LCDC or ISI are not selected.
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* These outputs are available on J1, pins 14 and 16, respectively.
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*
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* If the GMAC is not selected, then PB0 and PB1 could also be used.
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* However, these pins are not available at the I/O expansion connectors.
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*/
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#if !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI)
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# define PIO_PWM0_H PIO_PWM0_H_2
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# define PIO_PWM0_L PIO_PWM0_L_2
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#elif !defined(CONFIG_SAMA5_GMAC)
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# define PIO_PWM0_H PIO_PWM0_H_1
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# define PIO_PWM0_L PIO_PWM0_L_1
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#endif
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/* PWM channel 1:
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*
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* PA22 and PA23 can be used if the LCDC or ISI are not selected.
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* These outputs are available on J1, pins 18 and 20, respectively.
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*
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* PE31 can be used if the ISI is not selected
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* (and the HDMI is not being used).
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* That signal is available at J3 pin 20.
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*
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* If the GMAC is not selected, then PB4 and PB5 could also be used.
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* However, these pins are not available at the I/O expansion connectors.
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*/
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#if !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI)
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# define PIO_PWM1_H PIO_PWM1_H_2
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#elif !defined(CONFIG_SAMA5_GMAC)
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# define PIO_PWM1_H PIO_PWM1_H_1
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#endif
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#if !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI)
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# define PIO_PWM1_L PIO_PWM1_L_3
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#elif !defined(CONFIG_SAMA5_ISI)
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# define PIO_PWM1_L PIO_PWM1_L_2
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#elif !defined(CONFIG_SAMA5_GMAC)
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# define PIO_PWM1_L PIO_PWM1_L_1
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#endif
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/* PWM channel 2:
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*
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* None of the output pin options are available at any of the I/O expansion
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* connectors for PWM channel 2
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*/
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#if !defined(CONFIG_SAMA5_HSMCI0)
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# define PIO_PWM2_H PIO_PWM2_H_1
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# define PIO_PWM2_L PIO_PWM2_L_1
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#elif !defined(CONFIG_SAMA5_GMAC)
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# define PIO_PWM2_H PIO_PWM2_H_2
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# define PIO_PWM2_L PIO_PWM2_L_2
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#endif
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/* PWM channel 3:
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*
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* If the GMAC is not selected,
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* then PB12 can used and is available at J3 pin 7.
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* None of the other output pins are accessible at the
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* I/O expansion connectors.
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*/
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#if !defined(CONFIG_SAMA5_GMAC)
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# define PIO_PWM3_H PIO_PWM3_H_2
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# define PIO_PWM3_L PIO_PWM3_L_2
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#elif !defined(CONFIG_SAMA5_HSMCI0)
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# define PIO_PWM3_H PIO_PWM3_H_1
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# define PIO_PWM3_L PIO_PWM3_L_1
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#endif
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/****************************************************************************
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* Assembly Language Macros
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****************************************************************************/
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#ifdef __ASSEMBLY__
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.macro config_sdram
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.endm
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_SAMA5_SAMA5D3_XPLAINED_INCLUDE_BOARD_H */
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