328 lines
14 KiB
C
328 lines
14 KiB
C
/************************************************************************************
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* configs/sama5d4-ek/include/board.h
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*
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* Copyright (C) 2014 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_SAMA5D4_EK_INCLUDE_BOARD_H
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#define __CONFIGS_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. These
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* 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 bootloader.
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* That bootloader had to have already configured the PLL and SDRAM for proper
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* operation.
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*
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* In this case, we don not reconfigure the clocking. Rather, we need to query
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* the register settings to determine the clock frequencies. We can only assume that
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* the Main clock source is the on-board 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. 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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* 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. 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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#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 ROM
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* is used. I am not sure of the LCD function, but the LED may not be available
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* if 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. This LED will
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* be on when power is applied but otherwise a low output value will turn it
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* off.
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*/
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/* LED index values for use with sam_setled() */
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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 sam_setleds() */
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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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#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 1) PE13 should have a weak pull-up,
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* and 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. Other LCDs
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* will require changes.
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*
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* NOTE: 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, "red"
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* bits floating high). By trial and error, the 24-bit select was found to produce
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* the correct color output.
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*
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* NOTE: 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, 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, if we
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* wanted the PCK0on PB26, then the following definition should appear in the
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* 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 definitions
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* anyway. 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 on-board
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* (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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/************************************************************************************
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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 initialization -- 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_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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#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_SAMA5D4_EK_INCLUDE_BOARD_H */
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