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/************************************************************************************
* configs/sam4s-xplained-pro/include/board.h
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Authors: Gregory Nutt <gnutt@nuttx.org>
* Bob Doiron
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
#ifndef __CONFIGS_SAM4S_XPLAINED_PRO_INCLUDE_BOARD_H
#define __CONFIGS_SAM4S_XPLAINED_PRO_INCLUDE_BOARD_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <stdbool.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
# ifdef CONFIG_GPIO_IRQ
# include <arch/irq.h>
# endif
#endif
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Clocking *************************************************************************/
/* After power-on reset, the sam4s device is running on a 4MHz internal RC. These
* definitions will configure clocking with MCK = 120MHz, PLLA = 240, and CPU=120MHz.
*/
#define BOARD_32KOSC_FREQUENCY (32768)
#define BOARD_SCLK_FREQUENCY (BOARD_32KOSC_FREQUENCY)
#define BOARD_MAINOSC_FREQUENCY (12000000)
/* Main oscillator register settings */
#define BOARD_CKGR_MOR_MOSCXTST (63 << PMC_CKGR_MOR_MOSCXTST_SHIFT) /* Start-up Time */
#ifdef CONFIG_SAM34_UDP
/* PLLA configuration:
*
* Source: 12MHz crystall at 12MHz
* PLLmul: 10
* PLLdiv: 1 (bypassed)
* Fpll: (12MHz * 20) / 1 = 240MHz
*/
# define BOARD_CKGR_PLLAR_MUL (19 << PMC_CKGR_PLLAR_MUL_SHIFT)
# define BOARD_CKGR_PLLAR_DIV PMC_CKGR_PLLAR_DIV_BYPASS
# define BOARD_CKGR_PLLAR_COUNT (63 << PMC_CKGR_PLLAR_COUNT_SHIFT)
# define BOARD_PLLA_FREQUENCY (20*BOARD_MAINOSC_FREQUENCY) /* PLLA = 240Mhz */
/* PMC master clock register settings */
# define BOARD_PMC_MCKR_CSS PMC_MCKR_CSS_PLLA
# define BOARD_PMC_MCKR_PRES PMC_MCKR_PRES_DIV2
# define BOARD_MCK_FREQUENCY (BOARD_PLLA_FREQUENCY/2) /* MCK = 120Mhz */
# define BOARD_CPU_FREQUENCY (BOARD_PLLA_FREQUENCY/2) /* CPU = 120Mhz */
/* USB UTMI PLL start-up time */
# define BOARD_CKGR_UCKR_UPLLCOUNT (3 << PMC_CKGR_UCKR_UPLLCOUNT_SHIFT)
#else
/* PLLA configuration:
*
* Source: 12MHz crystall at 12MHz
* PLLmul: 10
* PLLdiv: 1 (bypassed)
* Fpll: (12MHz * 10) / 1 = 120MHz
*/
# define BOARD_CKGR_PLLAR_MUL (9 << PMC_CKGR_PLLAR_MUL_SHIFT)
# define BOARD_CKGR_PLLAR_DIV PMC_CKGR_PLLAR_DIV_BYPASS
# define BOARD_CKGR_PLLAR_COUNT (63 << PMC_CKGR_PLLAR_COUNT_SHIFT)
# define BOARD_PLLA_FREQUENCY (10*BOARD_MAINOSC_FREQUENCY) /* PLLA = 120Mhz */
/* PMC master clock register settings */
# define BOARD_PMC_MCKR_CSS PMC_MCKR_CSS_PLLA
# define BOARD_PMC_MCKR_PRES PMC_MCKR_PRES_DIV1
# define BOARD_MCK_FREQUENCY (BOARD_PLLA_FREQUENCY) /* MCK = 120Mhz */
# define BOARD_CPU_FREQUENCY (BOARD_PLLA_FREQUENCY) /* CPU = 120Mhz */
#endif
/* HSMCI clocking
*
* Multimedia Card Interface clock (MCCK or MCI_CK) is Master Clock (MCK)
* divided by (2*(CLKDIV+1)).
*
* MCI_SPEED = MCK / (2*(CLKDIV+1))
* CLKDIV = MCI / MCI_SPEED / 2 - 1
*/
/* MCK = 120MHz, CLKDIV = 149, MCI_SPEED = 120MHz / 2 * (149+1) = 400 KHz */
#define HSMCI_INIT_CLKDIV (149 << HSMCI_MR_CLKDIV_SHIFT)
/* MCK = 120MHz, CLKDIV = 3, MCI_SPEED = 120MHz / 2 * (3+1) = 15 MHz */
#define HSMCI_MMCXFR_CLKDIV (3 << HSMCI_MR_CLKDIV_SHIFT)
/* MCK = 120MHz, CLKDIV = 0, MCI_SPEED = 120MHz / 2 * (2+1) = 20 MHz */
#define HSMCI_SDXFR_CLKDIV (2 << HSMCI_MR_CLKDIV_SHIFT)
#define HSMCI_SDWIDEXFR_CLKDIV HSMCI_SDXFR_CLKDIV
#ifdef CONFIG_SAM34_UDP
/* The PLL clock (USB_48M or UDPCK) is driven from the output of the PLL,
* PLLACK. The PLL clock must be 48MHz. PLLACK can be divided down via the
* PMC USB register to provide the PLL clock. So in order to use the USB
* feature, the PLL output must be a multiple of 48MHz.
*
* PLLACK = 240MHz, USBDIV=4, USB_48M = 240 MHz / (4 + 1) = 48MHz
* PLLACK = 192MHz, USBDIV=5, USB_48M = 192 MHz / (3 + 1) = 48MHz
*/
# define BOARD_PMC_USBS (0)
# define BOARD_PMC_USBDIV (4 << PMC_USB_USBDIV_SHIFT)
#endif
/* FLASH wait states:
*
* DC Characteristics
*
* Parameter Min Typ Max
* ---------------------- ----- ----- ----
* Vddcore DC Supply Core 1.08V 1.2V 1.32V
* Vvddio DC Supply I/Os 1.62V 3.3V 3.6V
*
* Wait Maximum
* Vddcore Vvddio States Frequency (MHz)
* ------- ---------- ------ ---------------
* 1.08V 1.62-3.6V 0 16
* " " " "-" " 1 33
* " " " "-" " 2 50
* " " " "-" " 3 67
* " " " "-" " 4 84
* " " " "-" " 5 100
* 1.08V 2.7-3.6V 0 20
* " " " "-" " 1 40
* " " " "-" " 2 60
* " " " "-" " 3 80
* " " " "-" " 4 100
* 1.2V 1.62-3.6V 0 17
* " " " "-" " 1 34
* " " " "-" " 2 52
* " " " "-" " 3 69
* " " " "-" " 4 87
* " " " "-" " 5 104
* " " " "-" " 6 121
* 1.2V 2.7-3.6V 0 21
* " " " "-" " 1 42
* " " " "-" " 2 63
* " " " "-" " 3 84
* " " " "-" " 4 105
* " " " "-" " 5 123 << SELECTION
*/
#define BOARD_FWS 5
/* LED definitions ******************************************************************/
/* There are two LEDs on board the SAM4S Xplained Pro board, One of these can be
* controlled by software in the SAM4S:
*
* LED GPIO
* ---------------- -----
* D301 Yellow LED PC23
*
* Both can be illuminated by driving the GPIO output to ground (low).
*/
/* LED index values for use with sam_setled() */
#define BOARD_D301 0
#define BOARD_NLEDS 1
/* LED bits for use with sam_setleds() */
#define BOARD_D301_BIT (1 << BOARD_D301)
/* 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/up_leds.c. The LEDs are used to encode OS-related
* events as follows:
*
* SYMBOL Val Meaning LED state
* D301
* ----------------------- --- ----------------------- -------------- */
#define LED_STARTED 0 /* NuttX has been started OFF */
#define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF */
#define LED_IRQSENABLED 0 /* Interrupts enabled OFF */
#define LED_STACKCREATED 1 /* Idle stack created ON */
#define LED_INIRQ 2 /* In an interrupt OFF */
#define LED_SIGNAL 2 /* In a signal handler OFF */
#define LED_ASSERTION 4 /* An assertion failed No change */
#define LED_PANIC 3 /* The system has crashed Flash @ 250ms */
#define LED_IDLE 4 /* MCU is is sleep mode Not used */
#define LED_D301_OFF true /* GPIO high for OFF */
#define LED_D301_ON false /* GPIO low for ON */
/* Thus if D301 is statically on, NuttX has successfully booted and is,
* apparently, running normally.
*/
/* Button definitions ***************************************************************/
/* Mechanical buttons:
*
* The SAM4S Xplained Pro has two mechanical buttons. One button is the RESET button
* connected to the SAM4S reset line and the other is a generic user configurable
* button labeled SW0. When a button is pressed it will drive the I/O line to GND.
*
* PA2 SW0
*/
#define BUTTON_SW0 0
#define NUM_BUTTONS 1
#define BUTTON_SW0_BIT (1 << BUTTON_SW0)
/************************************************************************************
* Public Data
************************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/************************************************************************************
* Public Function Prototypes
************************************************************************************/
/************************************************************************************
* Name: sam_boardinitialize
*
* Description:
* All SAM3U architectures must provide the following entry point. This entry point
* is called early in the intitialization -- after all memory has been configured
* and mapped but before any devices have been initialized.
*
************************************************************************************/
void sam_boardinitialize(void);
/************************************************************************************
* Name: sam_ledinit, sam_setled, and sam_setleds
*
* Description:
* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board LEDs. If
* CONFIG_ARCH_LEDS is not defined, then the following interfaces are available to
* control the LEDs from user applications.
*
************************************************************************************/
#ifndef CONFIG_ARCH_LEDS
void sam_ledinit(void);
void sam_setled(int led, bool ledon);
void sam_setleds(uint8_t ledset);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_SAM4S_XPLAINED_PRO_INCLUDE_BOARD_H */
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