220 lines
7.3 KiB
C
220 lines
7.3 KiB
C
/****************************************************************************
|
|
* boards/arm/moxart/moxa/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_MOXART_MOXA_INCLUDE_BOARD_H
|
|
#define __BOARDS_ARM_MOXART_MOXA_INCLUDE_BOARD_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
# include <stdint.h>
|
|
# include <stdbool.h>
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* Clocking *****************************************************************/
|
|
|
|
/* After power-on reset, the device is running on a 4MHz internal RC.
|
|
* These definitions will configure clocking
|
|
*
|
|
* MAINOSC: Frequency = 12MHz (crysta)
|
|
* PLLA: PLL Divider = 1, Multiplier = 14 to generate PLLACK = 168MHz
|
|
* Master Clock (MCK): Source = PLLACK, Prescalar = 1 to generate MCK = 84MHz
|
|
* CPU clock: 84MHz
|
|
*/
|
|
|
|
#define BOARD_32KOSC_FREQUENCY (32768)
|
|
#define BOARD_SCLK_FREQUENCY (BOARD_32KOSC_FREQUENCY)
|
|
#define BOARD_MAINOSC_FREQUENCY (12000000) /* MAINOSC: 12MHz crystal on-board */
|
|
|
|
/* Main oscillator register settings.
|
|
*
|
|
* The start up time should be should be:
|
|
* Start Up Time = 8 * MOSCXTST / SLCK = 56 Slow Clock Cycles.
|
|
*/
|
|
|
|
#define BOARD_CKGR_MOR_MOSCXTST (62 << PMC_CKGR_MOR_MOSCXTST_SHIFT) /* Start-up Time */
|
|
|
|
/* PLLA configuration.
|
|
*
|
|
* Divider = 1
|
|
* Multipler = 14
|
|
*/
|
|
|
|
#define BOARD_CKGR_PLLAR_MUL (13 << PMC_CKGR_PLLAR_MUL_SHIFT)
|
|
#define BOARD_CKGR_PLLAR_COUNT (63 << PMC_CKGR_PLLAR_COUNT_SHIFT)
|
|
#define BOARD_CKGR_PLLAR_DIV PMC_CKGR_PLLAR_DIV_BYPASS
|
|
|
|
/* PMC master clock register settings.
|
|
*
|
|
* Source = PLLA
|
|
* Divider = 2
|
|
*/
|
|
|
|
#define BOARD_PMC_MCKR_CSS PMC_MCKR_CSS_PLLA
|
|
#define BOARD_PMC_MCKR_PRES PMC_MCKR_PRES_DIV2
|
|
|
|
/* USB UTMI PLL start-up time */
|
|
|
|
#define BOARD_CKGR_UCKR_UPLLCOUNT (3 << PMC_CKGR_UCKR_UPLLCOUNT_SHIFT)
|
|
|
|
/* Resulting frequencies */
|
|
|
|
#define BOARD_PLLA_FREQUENCY (168000000) /* PLLACK: 14 * 12Mhz / 1 */
|
|
#define BOARD_MCK_FREQUENCY (84000000) /* MCK: PLLACK / 2 */
|
|
#define BOARD_CPU_FREQUENCY (84000000) /* CPU: MCK */
|
|
|
|
/* HSMCI clocking
|
|
*
|
|
* Multimedia Card Interface clock (MCCK or MCI_CK) is Master Clock (MCK)
|
|
* divided by (2*(CLKDIV+1)).
|
|
*
|
|
* MCI_SPEED = MCCK / (2*(CLKDIV+1))
|
|
* CLKDIV = MCCK / MCI_SPEED / 2 - 1
|
|
*
|
|
* Where CLKDIV has a range of 0-255.
|
|
*/
|
|
|
|
/* MCK = 84MHz, CLKDIV = 104, MCI_SPEED = 84MHz / 2 * (104+1) = 400 KHz */
|
|
|
|
#define HSMCI_INIT_CLKDIV (104 << HSMCI_MR_CLKDIV_SHIFT)
|
|
|
|
/* MCK = 84MHz, CLKDIV = 2, MCI_SPEED = 84MHz / 2 * (2+1) = 14 MHz */
|
|
|
|
#define HSMCI_MMCXFR_CLKDIV (1 << HSMCI_MR_CLKDIV_SHIFT)
|
|
|
|
/* MCK = 84MHz, CLKDIV = 1, MCI_SPEED = 84MHz / 2 * (1+1) = 21 MHz */
|
|
|
|
#define HSMCI_SDXFR_CLKDIV (1 << HSMCI_MR_CLKDIV_SHIFT)
|
|
#define HSMCI_SDWIDEXFR_CLKDIV HSMCI_SDXFR_CLKDIV
|
|
|
|
/* FLASH wait states
|
|
*
|
|
* FWS MAX FREQUENCY
|
|
* 1.62V 1.8V
|
|
* --- ----- ------
|
|
* 0 17MHz 19MHz
|
|
* 1 45MHz 50MHz
|
|
* 2 58MHz 64MHz
|
|
* 3 70MHz 80MHz
|
|
* 4 78MHz 90MHz
|
|
*/
|
|
|
|
#define BOARD_FWS 4
|
|
|
|
/* LED definitions **********************************************************/
|
|
|
|
/* There are three user-controllable LEDs on board the Moxa board:
|
|
*
|
|
* LED GPIO
|
|
* ---------------- -----
|
|
* L Amber LED PB27
|
|
* TX Yellow LED PA21
|
|
* RX Yellow LED PC30
|
|
*
|
|
* LED L is connected to ground and can be illuminated by driving the PB27
|
|
* output high. The TX and RX LEDs are pulled high and can be illuminated by
|
|
* driving the corresponding
|
|
* GPIO output to low.
|
|
*/
|
|
|
|
/* LED index values for use with board_userled() */
|
|
|
|
#define BOARD_LED_L 0
|
|
#define BOARD_LED_RX 1
|
|
#define BOARD_LED_TX 2
|
|
#define BOARD_NLEDS 3
|
|
|
|
/* LED bits for use with board_userled_all() */
|
|
|
|
#define BOARD_LED_L_BIT (1 << BOARD_LED_L)
|
|
#define BOARD_LED_RX_BIT (1 << BOARD_LED_RX)
|
|
#define BOARD_LED_TX_BIT (1 << BOARD_LED_TX)
|
|
|
|
/* 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 MEANING LED STATE
|
|
* L TX RX
|
|
* ---------------------- ------------------------- ----- ---- ----
|
|
*/
|
|
|
|
#define LED_STARTED 0 /* NuttX has been started OFF OFF OFF */
|
|
#define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF OFF OFF */
|
|
#define LED_IRQSENABLED 0 /* Interrupts enabled OFF OFF OFF */
|
|
#define LED_STACKCREATED 1 /* Idle stack created ON OFF OFF */
|
|
#define LED_INIRQ 2 /* In an interrupt N/C GLOW OFF */
|
|
#define LED_SIGNAL 2 /* In a signal handler N/C GLOW OFF */
|
|
#define LED_ASSERTION 2 /* An assertion failed N/C GLOW OFF */
|
|
#define LED_PANIC 3 /* The system has crashed N/C N/C Blinking */
|
|
#define LED_PANIC 3 /* MCU is is sleep mode ---- Not used ---- */
|
|
|
|
#undef CONFIG_SUPPRESS_SERIAL_INTS
|
|
|
|
/* Thus if LED L is statically on, NuttX has successfully booted and is,
|
|
* apparently, running normmally. If LED RX is glowing, then NuttX is
|
|
* handling interrupts (and also signals and assertions). If TX is flashing
|
|
* at approximately 2Hz, then a fatal error has been detected and the system
|
|
*/
|
|
|
|
/* Button definitions *******************************************************/
|
|
|
|
/* There are no buttons on the Moxa board. */
|
|
|
|
/* GPIO pin configurations **************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
#define EXTERN extern "C"
|
|
extern "C"
|
|
{
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
inline void ftintc010_set_trig_mode(int irq, int mode);
|
|
inline void ftintc010_set_trig_level(int irq, int level);
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
#endif /* __ASSEMBLY__ */
|
|
#endif /* __BOARDS_ARM_MOXART_MOXA_INCLUDE_BOARD_H */
|