281 lines
11 KiB
C
281 lines
11 KiB
C
/****************************************************************************
|
|
* boards/arm/sama5/sama5d4-ek/include/board.h
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __BOARDS_ARM_SAMA5_SAMA5D4_EK_INCLUDE_BOARD_H
|
|
#define __BOARDS_ARM_SAMA5_SAMA5D4_EK_INCLUDE_BOARD_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
#include <nuttx/irq.h>
|
|
|
|
/* Clocking *****************************************************************/
|
|
|
|
/* After power-on reset, the SAMA5 device is running on a 12MHz internal RC.
|
|
* These definitions will configure operational clocking.
|
|
*/
|
|
|
|
/* On-board crystal frequencies */
|
|
|
|
#define BOARD_MAINOSC_FREQUENCY (12000000) /* MAINOSC: 12MHz crystal on-board */
|
|
#define BOARD_SLOWCLK_FREQUENCY (32768) /* Slow Clock: 32.768KHz */
|
|
|
|
#if defined(CONFIG_SAMA5_BOOT_SDRAM)
|
|
/* When booting from SDRAM, NuttX is loaded in SDRAM by an intermediate
|
|
* bootloader.
|
|
* That bootloader had to have already configured the PLL and SDRAM for
|
|
* proper operation.
|
|
*
|
|
* In this case, we don not reconfigure the clocking.
|
|
* Rather, we need to query the register settings to determine the clock
|
|
* frequencies. We can only assume that the Main clock source is the on-board
|
|
* 12MHz crystal.
|
|
*/
|
|
|
|
# include <arch/board/board_sdram.h>
|
|
|
|
#elif defined(CONFIG_SAMA5D4EK_384MHZ)
|
|
/* OHCI Only.
|
|
* This is an alternative slower configuration that will produce a 48MHz
|
|
* USB clock with the required accuracy using only PLLA.
|
|
* When PPLA is used to clock OHCI, an additional requirement is the PLLACK
|
|
* be a multiple of 48MHz.
|
|
* This setup results in a CPU clock of 384MHz.
|
|
*
|
|
* This case is only interesting for experimentation.
|
|
*/
|
|
|
|
# include <arch/board/board_384mhz.h>
|
|
|
|
#elif defined(CONFIG_SAMA5D4EK_528MHZ)
|
|
/* This is the configuration results in a CPU clock of 528MHz.
|
|
*
|
|
* In this configuration, UPLL is the source of the UHPHS clock (if enabled).
|
|
*/
|
|
|
|
# include <arch/board/board_528mhz.h>
|
|
|
|
#else /* #elif defined(CONFIG_SAMA5D4EK_396MHZ) */
|
|
/* This is the configuration provided in the Atmel example code.
|
|
* This setup results in a CPU clock of 396MHz.
|
|
*
|
|
* In this configuration, UPLL is the source of the UHPHS clock (if enabled).
|
|
*/
|
|
|
|
# include <arch/board/board_396mhz.h>
|
|
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* LED definitions **********************************************************/
|
|
|
|
/* There are 3 LEDs on the SAMA5D4-EK:
|
|
*
|
|
* ---------------------------- ----------------- -----------------------
|
|
* SAMA5D4 PIO SIGNAL USAGE
|
|
* ---------------------------- ----------------- -----------------------
|
|
* PE28/NWAIT/RTS4/A19 1Wire_PE28 1-WIRE ROM, LCD, D8 (green)
|
|
* PE8/A8/TCLK3/PWML3 LED_USER_PE8 LED_USER (D10)
|
|
* PE9/A9/TIOA2 LED_POWER_PE9 LED_POWER (D9, Red)
|
|
* ---------------------------- ----------------- -----------------------
|
|
*
|
|
* - D8: D8 is shared with other functions and cannot be used if the 1-Wire
|
|
* ROM is used.
|
|
* I am not sure of the LCD function, but the LED may not be available if
|
|
* the LCD is used either. We will avoid using D8 just for simplicity.
|
|
* - D10: Nothing special here. A low output illuminates.
|
|
* - D9: The Power ON LED. Connects to the via an IRLML2502 MOSFET.
|
|
* This LED will be on when power is applied but otherwise a low output
|
|
* value will turn it off.
|
|
*/
|
|
|
|
/* LED index values for use with board_userled() */
|
|
|
|
#define BOARD_USER 0
|
|
#define BOARD_POWER 1
|
|
#define BOARD_NLEDS 2
|
|
|
|
/* LED bits for use with board_userled_all() */
|
|
|
|
#define BOARD_USER_BIT (1 << BOARD_BLUE)
|
|
#define BOARD_POWER_BIT (1 << BOARD_RED)
|
|
|
|
/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
|
|
* defined. In that case, the usage by the board port is defined in
|
|
* include/board.h and src/sam_leds.c. The LEDs are used to encode OS-related
|
|
* events as follows:
|
|
*
|
|
* SYMBOL Val Meaning LED state
|
|
* Blue Red
|
|
* ----------------- --- ----------------------- -------- --------
|
|
*/
|
|
|
|
#define LED_STARTED 0 /* NuttX has been started OFF OFF */
|
|
#define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF OFF */
|
|
#define LED_IRQSENABLED 0 /* Interrupts enabled OFF OFF */
|
|
#define LED_STACKCREATED 1 /* Idle stack created ON OFF */
|
|
#define LED_INIRQ 2 /* In an interrupt No change */
|
|
#define LED_SIGNAL 2 /* In a signal handler No change */
|
|
#define LED_ASSERTION 2 /* An assertion failed No change */
|
|
#define LED_PANIC 3 /* The system has crashed OFF Blinking */
|
|
#undef LED_IDLE /* MCU is is sleep mode Not used */
|
|
|
|
/* Thus if the D0 and D9 are statically on, NuttX has successfully booted and
|
|
* is, apparently, running normally. If the red D9 LED is flashing at
|
|
* approximately 2Hz, then a fatal error has been detected and the system
|
|
* has halted.
|
|
*/
|
|
|
|
/* Button definitions *******************************************************/
|
|
|
|
/* A single button, PB_USER1 (PB2), is available on the SAMA5D4-EK:
|
|
*
|
|
* ------------------------------ ------------------- -----------------------
|
|
* SAMA5D4 PIO SIGNAL USAGE
|
|
* ------------------------------ ------------------- -----------------------
|
|
* PE13/A13/TIOB1/PWML2 PB_USER1_PE13 PB_USER1
|
|
* ------------------------------ ------------------- -----------------------
|
|
*
|
|
* Closing JP2 will bring PE13 to ground so
|
|
* 1) PE13 should have a weak pull-up, and
|
|
* 2) when PB2 is pressed, a low value will be senses.
|
|
*/
|
|
|
|
#define BUTTON_USER 0
|
|
#define NUM_BUTTONS 1
|
|
|
|
#define BUTTON_USER_BIT (1 << BUTTON_USER)
|
|
|
|
/* LCD Interface, Geometry and Timing ***************************************/
|
|
|
|
/* This configuration applies only to the TM7000 LCD/Touchscreen module.
|
|
* Other LCDs will require changes.
|
|
*
|
|
* NOTE:
|
|
* The TM7000 user manual claims that the hardware interface is 18-bit
|
|
* RGB666.
|
|
* If you select that, you will get a very pink display (because the upper,
|
|
* "red" bits floating high).
|
|
* By trial and error, the 24-bit select was found to produce the correct
|
|
* color output.
|
|
*
|
|
* NOTE:
|
|
* Timings come from the smaller SAMA5D3x-EK LCD and have not been optimized
|
|
* for this display.
|
|
*/
|
|
|
|
#define BOARD_LCDC_OUTPUT_BPP 24 /* Output format to H/W is 24 bpp RGB888 */
|
|
#define BOARD_LCDC_WIDTH 800 /* Display width (pixels) */
|
|
#define BOARD_LCDC_HEIGHT 480 /* Display height (rows) */
|
|
#define BOARD_LCDC_MCK_MUL2 1 /* Source clock is 2*Mck (vs Mck) */
|
|
#define BOARD_LCDC_PIXCLK_INV 1 /* Invert pixel clock, use falling edge */
|
|
#define BOARD_LCDC_GUARDTIME 9 /* Guard time (frames) */
|
|
#define BOARD_LCDC_VSPW 2 /* Vertical pulse width (lines) */
|
|
#define BOARD_LCDC_HSPW 128 /* Horizontal pulse width (LCDDOTCLK) */
|
|
#define BOARD_LCDC_VFPW 37 /* Vertical front porch (lines) */
|
|
#define BOARD_LCDC_VBPW 8 /* Vertical back porch (lines) */
|
|
#define BOARD_LCDC_HFPW 168 /* Horizontal front porch (LCDDOTCLK) */
|
|
#define BOARD_LCDC_HBPW 88 /* Horizontal back porch (LCDDOTCLK) */
|
|
|
|
/* Pixel clock rate in Hz (HS period * VS period * BOARD_LCDC_FRAMERATE). */
|
|
|
|
#define BOARD_LCDC_FRAMERATE 40 /* Frame rate in Hz */
|
|
#define BOARD_LCDC_HSPERIOD \
|
|
(BOARD_LCDC_HSPW + BOARD_LCDC_HBPW + BOARD_LCDC_WIDTH + BOARD_LCDC_HFPW)
|
|
#define BOARD_LCDC_VSPERIOD \
|
|
(BOARD_LCDC_VSPW + BOARD_LCDC_VBPW + BOARD_LCDC_HEIGHT + BOARD_LCDC_VFPW)
|
|
#define BOARD_LCDC_PIXELCLOCK \
|
|
(BOARD_LCDC_HSPERIOD * BOARD_LCDC_VSPERIOD * BOARD_LCDC_FRAMERATE)
|
|
|
|
/* Backlight prescaler value and PWM output polarity */
|
|
|
|
#define BOARD_LCDC_PWMPS LCDC_LCDCFG6_PWMPS_DIV1
|
|
#define BOARD_LCDC_PWMPOL LCDC_LCDCFG6_PWMPOL
|
|
|
|
/* NAND *********************************************************************/
|
|
|
|
/* Address for transferring command bytes to the nandflash, CLE A22 */
|
|
|
|
#define BOARD_EBICS3_NAND_CMDADDR 0x60400000
|
|
|
|
/* Address for transferring address bytes to the nandflash, ALE A21 */
|
|
|
|
#define BOARD_EBICS3_NAND_ADDRADDR 0x60200000
|
|
|
|
/* Address for transferring data bytes to the nandflash. */
|
|
|
|
#define BOARD_EBICS3_NAND_DATAADDR 0x60000000
|
|
|
|
/* Pin disambiguation *******************************************************/
|
|
|
|
/* Alternative pin selections are provided with a numeric suffix like _1, _2,
|
|
* etc.
|
|
* Drivers, however, will use the pin selection without the numeric suffix.
|
|
* Additional definitions are required in this board.h file. For example,
|
|
* if we wanted the PCK0on PB26, then the following definition should appear
|
|
* in the board.h header file for that board:
|
|
*
|
|
* #define PIO_PMC_PCK0 PIO_PMC_PCK0_1
|
|
*
|
|
* The PCK logic will then automatically configure PB26 as the PCK0 pin.
|
|
*/
|
|
|
|
/* SSC0 TD is provided on PB28 */
|
|
|
|
#define PIO_SSC0_TD PIO_SSC0_TD_2
|
|
|
|
/* PCK2 is provides the MCLK to the WM8904 audio CODEC via PB10 */
|
|
|
|
#define PIO_PMC_PCK2 PIO_PMC_PCK2_1
|
|
|
|
/* PCK0 and PCK1 are not currently used, but the PCK logic wants these
|
|
* definitions anyway.
|
|
* The assignments here are arbitrary and will not be used (at least not
|
|
* until we implement ISI of HDMI).
|
|
*
|
|
* PIO_PMC_PCK0_1: PB26 is used by I2S with the WM8904 (AUDIO_RK0_PB26)
|
|
* PIO_PMC_PCK0_2: PD8 is the HDMI MCLK (HDMI_MCK_PD8)
|
|
* PIO_PMC_PCK0_3: PA24 is used for the LCD backlight (LCD_PWM_PA24)
|
|
*
|
|
* PIO_PMC_PCK1_1: PD31 goes to the expansion interface and is not used
|
|
* on-board (EXP_PD31).
|
|
* PIO_PMC_PCK1_2: PC24 is used for ISI data (ISI_D5)
|
|
* PIO_PMC_PCK1_3: PC4 is ISI_MCK_PC4, MCI0_CK_PC4, EXP_PC4
|
|
*/
|
|
|
|
#define PIO_PMC_PCK0 PIO_PMC_PCK0_2
|
|
#define PIO_PMC_PCK1 PIO_PMC_PCK1_1
|
|
|
|
/****************************************************************************
|
|
* Assembly Language Macros
|
|
****************************************************************************/
|
|
|
|
#ifdef __ASSEMBLY__
|
|
.macro config_sdram
|
|
.endm
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* __BOARDS_ARM_SAMA5_SAMA5D4_EK_INCLUDE_BOARD_H */
|