f735584514
- No code changes - All files are now utf-8 encoded - Some non-utf-8 characters in comments were changed or removed
280 lines
11 KiB
C
280 lines
11 KiB
C
/****************************************************************************
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* boards/arm/sama5/sama5d4-ek/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_SAMA5D4_EK_INCLUDE_BOARD_H
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#define __BOARDS_ARM_SAMA5_SAMA5D4_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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#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. We can only assume that the Main clock source is the on-board
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* 12MHz crystal.
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*/
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# include <arch/board/board_sdram.h>
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#elif defined(CONFIG_SAMA5D4EK_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 PLLACK
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* 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_SAMA5D4EK_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_SAMA5D4EK_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 3 LEDs on the SAMA5D4-EK:
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*
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* ------------------------------ ------------------- -----------------------
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* SAMA5D4 PIO SIGNAL USAGE
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* ------------------------------ ------------------- -----------------------
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* PE28/NWAIT/RTS4/A19 1Wire_PE28 1-WIRE ROM, LCD, D8 (green)
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* PE8/A8/TCLK3/PWML3 LED_USER_PE8 LED_USER (D10)
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* PE9/A9/TIOA2 LED_POWER_PE9 LED_POWER (D9, Red)
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* ------------------------------ ------------------- -----------------------
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*
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* - D8: D8 is shared with other functions and cannot be used if the 1-Wire
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* ROM is used.
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* I am not sure of the LCD function, but the LED may not be available if
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* the LCD is used either. We will avoid using D8 just for simplicity.
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* - D10: Nothing special here. A low output illuminates.
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* - D9: The Power ON LED. Connects to the via an IRLML2502 MOSFET.
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* This LED will be on when power is applied but otherwise a low output
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* value will turn it off.
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*/
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/* LED index values for use with board_userled() */
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#define BOARD_USER 0
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#define BOARD_POWER 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_USER_BIT (1 << BOARD_BLUE)
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#define BOARD_POWER_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 D0 and D9 are statically on, NuttX has successfully booted and
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* is, apparently, running normally. If the red D9 LED 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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/* A single button, PB_USER1 (PB2), is available on the SAMA5D4-EK:
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*
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* ------------------------------ ------------------- -----------------------
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* SAMA5D4 PIO SIGNAL USAGE
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* ------------------------------ ------------------- -----------------------
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* PE13/A13/TIOB1/PWML2 PB_USER1_PE13 PB_USER1
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* ------------------------------ ------------------- -----------------------
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*
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* Closing JP2 will bring PE13 to ground so
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* 1) PE13 should have a weak pull-up, and
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* 2) when PB2 is pressed, a low value will be senses.
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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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/* LCD Interface, Geometry and Timing ***************************************/
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/* This configuration applies only to the TM7000 LCD/Touchscreen module.
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* Other LCDs will require changes.
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*
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* NOTE:
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* The TM7000 user manual claims that the hardware interface is 18-bit RGB666.
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* If you select that, you will get a very pink display (because the upper,
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* "red" bits floating high).
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* By trial and error, the 24-bit select was found to produce the correct
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* color output.
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*
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* NOTE:
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* Timings come from the smaller SAMA5D3x-EK LCD and have not been optimized
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* for this display.
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*/
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#define BOARD_LCDC_OUTPUT_BPP 24 /* Output format to H/W is 24 bpp RGB888 */
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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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#define BOARD_LCDC_MCK_MUL2 1 /* Source clock is 2*Mck (vs Mck) */
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#define BOARD_LCDC_PIXCLK_INV 1 /* Invert pixel clock, use falling edge */
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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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/* Pixel clock rate in Hz (HS period * VS period * BOARD_LCDC_FRAMERATE). */
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#define BOARD_LCDC_FRAMERATE 40 /* Frame rate in Hz */
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#define BOARD_LCDC_HSPERIOD \
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(BOARD_LCDC_HSPW + BOARD_LCDC_HBPW + BOARD_LCDC_WIDTH + BOARD_LCDC_HFPW)
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#define BOARD_LCDC_VSPERIOD \
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(BOARD_LCDC_VSPW + BOARD_LCDC_VBPW + BOARD_LCDC_HEIGHT + BOARD_LCDC_VFPW)
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#define BOARD_LCDC_PIXELCLOCK \
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(BOARD_LCDC_HSPERIOD * BOARD_LCDC_VSPERIOD * BOARD_LCDC_FRAMERATE)
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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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/* 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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/* Pin disambiguation *******************************************************/
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/* Alternative pin selections are provided with a numeric suffix like _1, _2,
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* etc.
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* Drivers, however, will use the pin selection without the numeric suffix.
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* Additional definitions are required in this board.h file. For example,
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* if we wanted the PCK0on PB26, then the following definition should appear
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* in the board.h header file for that board:
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*
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* #define PIO_PMC_PCK0 PIO_PMC_PCK0_1
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*
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* The PCK logic will then automatically configure PB26 as the PCK0 pin.
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*/
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/* SSC0 TD is provided on PB28 */
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#define PIO_SSC0_TD PIO_SSC0_TD_2
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/* PCK2 is provides the MCLK to the WM8904 audio CODEC via PB10 */
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#define PIO_PMC_PCK2 PIO_PMC_PCK2_1
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/* PCK0 and PCK1 are not currently used, but the PCK logic wants these
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* definitions anyway.
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* The assignments here are arbitrary and will not be used (at least not
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* until we implement ISI of HDMI).
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*
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* PIO_PMC_PCK0_1: PB26 is used by I2S with the WM8904 (AUDIO_RK0_PB26)
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* PIO_PMC_PCK0_2: PD8 is the HDMI MCLK (HDMI_MCK_PD8)
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* PIO_PMC_PCK0_3: PA24 is used for the LCD backlight (LCD_PWM_PA24)
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*
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* PIO_PMC_PCK1_1: PD31 goes to the expansion interface and is not used
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* on-board (EXP_PD31).
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* PIO_PMC_PCK1_2: PC24 is used for ISI data (ISI_D5)
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* PIO_PMC_PCK1_3: PC4 is ISI_MCK_PC4, MCI0_CK_PC4, EXP_PC4
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*/
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#define PIO_PMC_PCK0 PIO_PMC_PCK0_2
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#define PIO_PMC_PCK1 PIO_PMC_PCK1_1
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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_SAMA5D4_EK_INCLUDE_BOARD_H */
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