061728b440
arm: sam34: codestyle fixes * arm: sam34: codestyle fixes After the board restructuration is time for codestyle cleanup Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com> * arm: sama5: codestyle fixes After the board restructuration is time for codestyle cleanup Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com> Approved-by: Gregory Nutt <gnutt@nuttx.org>
340 lines
12 KiB
C
340 lines
12 KiB
C
/****************************************************************************
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* boards/arm/sam34/flipnclick-sam3x/include/board.h
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*
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* Copyright (C) 2018 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 __BOARDS_ARM_SAM34_FLIPNCLICK_SAM3X_INCLUDE_BOARD_H
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#define __BOARDS_ARM_SAM34_FLIPNCLICK_SAM3X_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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#ifndef __ASSEMBLY__
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# include <stdint.h>
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# include <stdbool.h>
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# ifdef CONFIG_SAM34_GPIO_IRQ
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# include <arch/irq.h>
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# endif
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#endif
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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 SAM3X device is running on a 4MHz internal RC.
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* These definitions will configure clocking
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*
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* MAINOSC: Frequency = 12MHz (crystal)
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* PLLA: PLL Divider = 1, Multiplier = 14 to generate PLLACK = 168MHz
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* Master Clock (MCK): Source = PLLACK, Prescalar = 1 to generate MCK = 84MHz
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* CPU clock: 84MHz
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*/
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#define BOARD_32KOSC_FREQUENCY (32768)
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#define BOARD_SCLK_FREQUENCY (BOARD_32KOSC_FREQUENCY)
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#define BOARD_MAINOSC_FREQUENCY (12000000) /* MAINOSC: 12MHz crystal on-board */
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/* Main oscillator register settings.
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*
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* The start up time should be should be:
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* Start Up Time = 8 * MOSCXTST / SLCK = 56 Slow Clock Cycles.
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*/
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#define BOARD_CKGR_MOR_MOSCXTST (62 << PMC_CKGR_MOR_MOSCXTST_SHIFT) /* Start-up Time */
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/* PLLA configuration.
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*
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* Divider = 1
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* Multiplier = 14
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*/
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#define BOARD_CKGR_PLLAR_MUL (13 << PMC_CKGR_PLLAR_MUL_SHIFT)
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#define BOARD_CKGR_PLLAR_COUNT (63 << PMC_CKGR_PLLAR_COUNT_SHIFT)
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#define BOARD_CKGR_PLLAR_DIV PMC_CKGR_PLLAR_DIV_BYPASS
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/* PMC master clock register settings.
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*
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* Source = PLLA
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* Divider = 2
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*/
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#define BOARD_PMC_MCKR_CSS PMC_MCKR_CSS_PLLA
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#define BOARD_PMC_MCKR_PRES PMC_MCKR_PRES_DIV2
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/* USB UTMI PLL start-up time */
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#define BOARD_CKGR_UCKR_UPLLCOUNT (3 << PMC_CKGR_UCKR_UPLLCOUNT_SHIFT)
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/* Resulting frequencies */
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#define BOARD_PLLA_FREQUENCY (168000000) /* PLLACK: 14 * 12Mhz / 1 */
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#define BOARD_MCK_FREQUENCY (84000000) /* MCK: PLLACK / 2 */
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#define BOARD_CPU_FREQUENCY (84000000) /* CPU: MCK */
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/* HSMCI clocking
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*
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* Multimedia Card Interface clock (MCCK or MCI_CK) is Master Clock (MCK)
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* divided by (2*(CLKDIV+1)).
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*
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* MCI_SPEED = MCCK / (2*(CLKDIV+1))
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* CLKDIV = MCCK / MCI_SPEED / 2 - 1
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*
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* Where CLKDIV has a range of 0-255.
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*/
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/* MCK = 84MHz, CLKDIV = 104, MCI_SPEED = 84MHz / 2 * (104+1) = 400 KHz */
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#define HSMCI_INIT_CLKDIV (104 << HSMCI_MR_CLKDIV_SHIFT)
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/* MCK = 84MHz, CLKDIV = 2, MCI_SPEED = 84MHz / 2 * (2+1) = 14 MHz */
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#define HSMCI_MMCXFR_CLKDIV (1 << HSMCI_MR_CLKDIV_SHIFT)
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/* MCK = 84MHz, CLKDIV = 1, MCI_SPEED = 84MHz / 2 * (1+1) = 21 MHz */
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#define HSMCI_SDXFR_CLKDIV (1 << HSMCI_MR_CLKDIV_SHIFT)
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#define HSMCI_SDWIDEXFR_CLKDIV HSMCI_SDXFR_CLKDIV
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/* FLASH wait states
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*
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* FWS MAX FREQUENCY
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* 1.62V 1.8V
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* --- ----- ------
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* 0 17MHz 19MHz
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* 1 45MHz 50MHz
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* 2 58MHz 64MHz
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* 3 70MHz 80MHz
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* 4 78MHz 90MHz
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*/
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#define BOARD_FWS 4
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/* LED definitions **********************************************************/
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/* There are four LEDs on the top, blue side of the board. Only one can be
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* controlled by software:
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*
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* LED L - PB27 (PWM13)
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*
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* There are also four LEDs on the back, white side of the board:
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*
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* LED A - PC6
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* LED B - PC5
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* LED C - PC7
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* LED D - PC8
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*
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* A high output value illuminates the LEDs.
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*/
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#ifdef CONFIG_ARCH_LEDS
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/* LED index values for use with board_userled(): */
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# define BOARD_LED_A 0
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# define BOARD_LED_B 1
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# define BOARD_LED_C 2
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# define BOARD_LED_D 3
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# define BOARD_NLEDS 4
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/* LED bits for use with board_userled_all() */
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# define BOARD_LED_A_BIT (1 << BOARD_LED_A)
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# define BOARD_LED_B_BIT (1 << BOARD_LED_B)
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# define BOARD_LED_C_BIT (1 << BOARD_LED_C)
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# define BOARD_LED_D_BIT (1 << BOARD_LED_D)
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#else
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/* LED index values for use with board_userled(): */
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# define BOARD_LED_L 0
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# define BOARD_LED_A 1
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# define BOARD_LED_B 2
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# define BOARD_LED_C 3
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# define BOARD_LED_D 4
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# define BOARD_NLEDS 5
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/* LED bits for use with board_userled_all() */
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# define BOARD_LED_L_BIT (1 << BOARD_LED_L)
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# define BOARD_LED_A_BIT (1 << BOARD_LED_A)
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# define BOARD_LED_B_BIT (1 << BOARD_LED_B)
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# define BOARD_LED_C_BIT (1 << BOARD_LED_C)
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# define BOARD_LED_D_BIT (1 << BOARD_LED_D)
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#endif
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/* These LEDs are available to the application and are all available to the
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* application unless CONFIG_ARCH_LEDS is defined.
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* In that case, the usage by the board port is defined in include/board.h
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* and src/sam_autoleds.c.
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* The LEDs are used to encode OS-related events as follows:
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*
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* SYMBOL MEANING LED STATE
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* L A B C D
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* ---------------- ----------------------- --- --- --- --- ---
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*/
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#define LED_STARTED 0 /* NuttX has been started OFF ON OFF OFF OFF */
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#define LED_HEAPALLOCATE 1 /* Heap has been allocated OFF OFF ON OFF OFF */
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#define LED_IRQSENABLED 2 /* Interrupts enabled OFF OFF OFF ON OFF */
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#define LED_STACKCREATED 3 /* Idle stack created OFF OFF OFF OFF ON */
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#define LED_INIRQ 4 /* In an interrupt GLO N/C N/C N/C N/C */
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#define LED_SIGNAL 4 /* In a signal handler GLO N/C N/C N/C N/C */
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#define LED_ASSERTION 4 /* An assertion failed GLO N/C N/C N/C N/C */
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#define LED_PANIC 4 /* The system has crashed 2Hz N/C N/C N/C N/C */
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#undef LED_IDLE /* MCU is is sleep mode ---- Not used ----- */
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/* Thus if LED L is faintly glowing and all other LEDs are off
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* (except LED D which was left on but is no longer controlled by NuttX and
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* so may be in any state),
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* NuttX has successfully booted and is, apparently, running normally and
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* taking interrupts.
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* If any of LEDs A-D are statically set, then NuttX failed to boot and the
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* LED indicates the initialization phase where the failure occurred.
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* If LED L is flashing at approximately 2Hz, then a fatal error has been
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* detected and the system has halted.
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*
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* NOTE: After booting, LEDs A-D are no longer used by the system and may be
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* controlled the application.
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*/
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/* Button definitions *******************************************************/
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/* There are no buttons on the Arduino Due board. */
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/* GPIO pin configurations **************************************************/
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/* Universal Asynchronous Receiver Transceiver (UART)
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*
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* The SAM3X has a UART and 4 USARTS. The Programming port uses a USB-to-
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* serial chip connected to the first of the MCU (RX0 and TX0 on PA8 and
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* PA9, respectively).
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* The output from that port is visible using the Arduino tool.
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*
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* Any of UART and USART0-3 may be used as a serial console.
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* By default, UART0 is used as the serial console in all configurations.
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*
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* There are no alternatives for these pins.
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*/
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/* Universal Synchronous Asynchronous Receiver Transmitter (USART)
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*
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* The RX and TX pins are available on the Arduino connector D0 and D1
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* pins, respectively.
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* These are connected to USART0, RXD0 and TXD0 which are PA10 and PA11,
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* respectively.
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*
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* There are four Click bus connectors with serial ports available as
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* follows:
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*
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* Click A: USART0 RXD0 and TXD0 which are, again, PA10 and PA11.
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* Click B: USART1 RXD1 and TXD1 which are PA12 and PA13, respectively.
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* Click C: USART3 RXD3 and TXD3 which are PD5 and PD4, respectively.
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* Click D: USART3 RXD3 and TXD3 which are, again, PD5 and PD4.
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*
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* There are no alternatives for these pins.
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*/
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/* SPI:
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*
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* SPI0 is available on the Arduino compatible SPI connector (but no SPI is
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* available on pins D10-D13 of the main Arduino Shield connectors where
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* you might expect then). The SPI connector is configured as follows:
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*
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* Pin Board Signal SAM3X Pin Board Signal SAM3X
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* --- ------------ ----- --- ------------ -----
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* 1 SPI0_MISO PA25 2 VCC-5V N/A
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* 3 SPI0_SCK PA27 4 SPI0_MOSI PA26
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* 5 MRST NRSTB 6 GND N/A
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*
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* SPI0 is also available on each of the mikroBUS Click connectors (in
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* addition to 5V and GND). The connectivity differs only in the chip
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* select pin:
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*
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* MikroBUS A: MikroBUS B:
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* Pin Board Signal SAM3X Pin Board Signal SAM3X
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* ---- ------------ ----- ---- ------------ -----
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* CS SPI0_CS0 PA28 CS PA29 PA29
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* SCK SPI0_SCK PA27 SCK SPI0_SCK PA27
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* MISO SPI0_MISO PA25 MISO SPI0_MISO PA25
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* MOSI SPI0_MOSI PA26 MOSI SPI0_MOSI PA26
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*
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* MikroBUS C: MikroBUS D:
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* Pin Board Signal SAM3X Pin Board Signal SAM3X
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* ---- ------------ ----- ---- ------------ -----
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* CS SPI0_CS2 PB21 CS SPI0_CS3 PB23
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* SCK SPI0_SCK PA27 SCK SPI0_SCK PA27
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* MISO SPI0_MISO PA25 MISO SPI0_MISO PA25
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* MOSI SPI0_MOSI PA26 MOSI SPI0_MOSI PA26
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*
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* Chip select pin definitions are provided in
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* boards/arm/sam34/flipnclick-sam3x/src/flipnclick-3x.h.
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*
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* There are no alternative pin selections for SPI0_MISO and SPIO_MOSI.
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*/
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#define GPIO_SPI0_SPCK GPIO_SPI0_SPCK_1
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/* I2C (aka TWI):
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*
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* I2C0 is available on pins D16-D17 of the Arduino Shield connectors where
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* you would expect then. The SPI connector is configured as follows:
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*
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* Pin Label J1 Board Signal SAM3X
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* --- ----- -- ------------ -----
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* D16 SCL1 8 I2C0_SCL PA17
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* D17 SDA1 7 I2C0_SDA PA18
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*
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* I2C0 and I2C1 are also available on the mikroBUS Click connectors (in
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* addition to 5V and GND). The connectors A and B share I2C0 with the
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* Arduino shield connector. Connectors C and D both connect to I2C1:
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*
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* MikroBUS A: MikroBUS B:
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* Pin Board Signal SAM3X Pin Board Signal SAM3X
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* ---- ------------ ----- ---- ------------ -------
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* SCL I2C0_SCL PA18 SCL I2C0_SCL PA18
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* SDA I2C0_SDA PA17 SDA I2C0_SDA PA17
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*
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* MikroBUS C: MikroBUS D:
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* Pin Board Signal SAM3X Pin Board Signal SAM3X
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* ---- ------------ ----- ---- ------------ -------
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* SCL I2C1_SCL PB13 SCL I2C1_SCL PB13
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* SDA I2C1_SDA PB12 SDA I2C1_SDA PB12
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*
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* There are no alternative pin selections for TWI0 and TWI1.
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*/
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#endif /* __BOARDS_ARM_SAM34_FLIPNCLICK_SAM3X_INCLUDE_BOARD_H */
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