416 lines
16 KiB
C
416 lines
16 KiB
C
/************************************************************************************
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* configs/sama5df3x-ek/include/board.h
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*
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* Copyright (C) 2013 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 __CONFIGS_SAMA5D3X_EK_INCLUDE_BOARD_H
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#define __CONFIGS_SAMA5D3X_EK_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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/************************************************************************************
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* 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. These
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* definitions will configure operational clocking.
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*/
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#if 1 /* #if !defined(CONFIG_SAMA5_OHCI) || defined(CONFIG_SAMA5_EHCI) */
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/* This is the configuration provided in the Atmel example code. This setup results
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* 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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#else
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/* OHCI Only. This is an alternative slower configuration that will produce a 48MHz
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* USB clock with the required accuracy using only PLLA. When PPLA is used to clock
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* OHCI, an additional requirement is the PLLACK be a multiple of 48MHz. This setup
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* results in a CPU clock of 384MHz.
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*/
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# include <arch/board/board_384MHz.h>
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#endif
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/* LCD Interface, Geometry and Timing */
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#define BOARD_LCDC_OUTPUT_BPP 24 /* Output format to H/W is 24BPP RGB */
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#define BOARD_LCDC_WIDTH 800 /* Display width (pixels) */
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#define BOARD_LCDC_HEIGHT 480 /* Display height (rows) */
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#undef BOARD_LCDC_MCK_MUL2 /* Source clock is Mck (vs 2*Mck) */
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#define BOARD_LCDC_PIXCLK_INV 1 /* Invert pixel clock, use falling edge */
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#define BOARD_LCDC_PIXELCLOCK 33260000 /* Pixel clock frequency */
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#define BOARD_LCDC_GUARDTIME 9 /* Guard time (frames) */
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#define BOARD_LCDC_VSPW 2 /* Vertical pulse width (lines) */
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#define BOARD_LCDC_HSPW 128 /* Horizontal pulse width (LCDDOTCLK) */
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#define BOARD_LCDC_VFPW 37 /* Vertical front porch (lines) */
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#define BOARD_LCDC_VBPW 8 /* Vertical back porch (lines) */
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#define BOARD_LCDC_HFPW 168 /* Horizontal front porch (LCDDOTCLK) */
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#define BOARD_LCDC_HBPW 88 /* Horizontal back porch (LCDDOTCLK) */
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/* Backlight prescaler value and PWM output polarity */
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#define BOARD_LCDC_PWMPS LCDC_LCDCFG6_PWMPS_DIV1
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#define BOARD_LCDC_PWMPOL LCDC_LCDCFG6_PWMPOL
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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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* PE25. This blue LED is pulled high and is illuminated by pulling PE25
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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 sam_setled() */
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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 sam_setleds() */
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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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#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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/* There are five push button switches on the SAMA5D3X-EK base board:
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*
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* 1. One Reset, board reset (BP1)
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* 2. One Wake up, push button to bring the processor out of low power mode
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* (BP2)
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* 3. One User momentary Push Button
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* 4. One Disable CS Push Button
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*
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* Only the momentary push button is controllable by software (labeled
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* "PB_USER1" on the board):
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*
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* - PE27. Pressing the switch connect PE27 to grounded. Therefore, PE27
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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 PE27.
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*/
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#define BUTTON_USER1 0
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#define NUM_BUTTONS 1
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#define BUTTON_USER1_BIT (1 << BUTTON_USER1)
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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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/* LCDC */
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#define PIO_LCD_DAT16 PIO_LCD_DAT16_2
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#define PIO_LCD_DAT17 PIO_LCD_DAT17_2
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#define PIO_LCD_DAT18 PIO_LCD_DAT18_2
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#define PIO_LCD_DAT19 PIO_LCD_DAT19_2
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#define PIO_LCD_DAT20 PIO_LCD_DAT20_2
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#define PIO_LCD_DAT21 PIO_LCD_DAT21_2
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#define PIO_LCD_DAT22 PIO_LCD_DAT22_1
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#define PIO_LCD_DAT23 PIO_LCD_DAT23_1
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/* PWM. There are no dedicated PWM output pins available to the user for PWM
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* testing. Care must be taken because all PWM output pins conflict with some other
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* usage of the pin by other devices. Furthermore, many of these pins have not been
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* brought out to an external 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. These outputs are
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* 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. However,
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* 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. These outputs are
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* 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 (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. However,
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* 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, 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 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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/************************************************************************************
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* Public Data
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************************************************************************************/
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#ifndef __ASSEMBLY__
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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: sam_boardinitialize
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*
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* Description:
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* All SAMA5 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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void sam_boardinitialize(void);
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/************************************************************************************
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* Name: sam_phyirq
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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 an interrupt is received from a PHY.
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*
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************************************************************************************/
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#if defined(CONFIG_NET) && (defined(CONFIG_SAMA5_EMAC) || defined(CONFIG_SAMA5_GMAC)) && \
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defined(CONFIG_SAMA5_PIOE_IRQ)
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xcpt_t sam_phyirq(int intf, xcpt_t irqhandler);
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#endif
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/************************************************************************************
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* Name: sam_ledinit, sam_setled, and sam_setleds
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*
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* Description:
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* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board LEDs. If
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* CONFIG_ARCH_LEDS is not defined, then the following interfaces are available to
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* control the LEDs from user applications.
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*
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************************************************************************************/
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#ifndef CONFIG_ARCH_LEDS
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void sam_ledinit(void);
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void sam_setled(int led, bool ledon);
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void sam_setleds(uint8_t ledset);
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#endif
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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 that,
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* up_buttons() may be called to collect the current state of all buttons or
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* up_irqbutton() may be called to register button interrupt handlers.
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*
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************************************************************************************/
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#ifdef CONFIG_ARCH_BUTTONS
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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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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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************************************************************************************/
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#ifdef CONFIG_SAMA5_PIOE_IRQ
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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 /* __CONFIGS_SAMA5D3X_EK_INCLUDE_BOARD_H */
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