/************************************************************************************ * configs/sama5d3-xplained/include/board.h * * Copyright (C) 2014 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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_SAMA5D3_XPLAINED_INCLUDE_BOARD_H #define __CONFIGS_SAMA5D3_XPLAINED_INCLUDE_BOARD_H /************************************************************************************ * Included Files ************************************************************************************/ #include #include /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /* 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 #elif defined(CONFIG_SAMA5D3XPLAINED_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 #elif defined(CONFIG_SAMA5D3XPLAINED_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 #else /* #elif defined(CONFIG_SAMA5D3XPLAINED_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 #endif /* LED definitions ******************************************************************/ /* There are two LEDs on the SAMA5D3 series-CM board that can be controlled * by software. A blue LED is controlled via PIO pins. A red LED normally * provides an indication that power is supplied to the board but can also * be controlled via software. * * PE23. This blue LED is pulled high and is illuminated by pulling PE23 * low. * * PE24. The red LED is also pulled high but is driven by a transistor so * that it is illuminated when power is applied even if PE24 is not * configured as an output. If PE24 is configured as an output, then the * LCD is illuminated by a high output. */ /* LED index values for use with sam_setled() */ #define BOARD_BLUE 0 #define BOARD_RED 1 #define BOARD_NLEDS 2 /* LED bits for use with sam_setleds() */ #define BOARD_BLUE_BIT (1 << BOARD_BLUE) #define BOARD_RED_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 blue LED is statically on, NuttX has successfully booted and * is, apparently, running normmally. If the red is flashing at * approximately 2Hz, then a fatal error has been detected and the system * has halted. */ /* Button definitions ***************************************************************/ /* The following push buttons switches are available: * * 1. One board reset button (BP2). When pressed and released, this push * button causes a power-on reset of the whole board. * * 2. One wakeup pushbutton that brings the processor out of Low-power mode * (BP1) * * 3. One user pushbutton (BP3) * * Only the user push button (BP3) is controllable by software: * * - PE29. Pressing the switch connect PE29 to ground. Therefore, PE29 * must be pulled high internally. When the button is pressed the SAMA5 * will sense "0" is on PE29. */ #define BUTTON_USER 0 #define NUM_BUTTONS 1 #define BUTTON_USER_BIT (1 << BUTTON_USER) /* 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 /* PIO configuration ****************************************************************/ /* PWM. There are no dedicated PWM output pins available to the user for PWM * testing. Care must be taken because all PWM output pins conflict with some other * usage of the pin by other devices. Furthermore, many of these pins have not been * brought out to an external connector: * * -----+---+---+----+------+---------------- * PWM PIN PER PIO I/O CONFLICTS * -----+---+---+----+------+---------------- * PWM0 FI B PC28 J2.30 SPI1, ISI * H B PB0 --- GMAC * B PA20 J1.14 LCDC, ISI * L B PB1 --- GMAC * B PA21 J1.16 LCDC, ISI * -----+---+---+----+------+---------------- * PWM1 FI B PC31 J2.36 HDMI * H B PB4 --- GMAC * B PA22 J1.18 LCDC, ISI * L B PB5 --- GMAC * B PE31 J3.20 ISI, HDMI * B PA23 J1.20 LCDC, ISI * -----+---+---+----+------+---------------- * PWM2 FI B PC29 J2.29 UART0, ISI, HDMI * H C PD5 --- HSMCI0 * B PB8 --- GMAC * L C PD6 --- HSMCI0 * B PB9 --- GMAC * -----+---+---+----+------+---------------- * PWM3 FI C PD16 --- SPI0, Audio * H C PD7 --- HSMCI0 * B PB12 J3.7 GMAC * L C PD8 --- HSMCI0 * B PB13 --- GMAC * -----+---+---+----+------+---------------- */ /* PWM channel 0: * * PA20 and PA21 can be used if the LCDC or ISI are not selected. These outputs are * available on J1, pins 14 and 16, respectively. * * If the GMAC is not selected, then PB0 and PB1 could also be used. However, * these pins are not available at the I/O expansion connectors. */ #if !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI) # define PIO_PWM0_H PIO_PWM0_H_2 # define PIO_PWM0_L PIO_PWM0_L_2 #elif !defined(CONFIG_SAMA5_GMAC) # define PIO_PWM0_H PIO_PWM0_H_1 # define PIO_PWM0_L PIO_PWM0_L_1 #endif /* PWM channel 1: * * PA22 and PA23 can be used if the LCDC or ISI are not selected. These outputs are * available on J1, pins 18 and 20, respectively. * * PE31 can be used if the ISI is not selected (and the HDMI is not being used). * That signal is available at J3 pin 20. * * If the GMAC is not selected, then PB4 and PB5 could also be used. However, * these pins are not available at the I/O expansion connectors. */ #if !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI) # define PIO_PWM1_H PIO_PWM1_H_2 #elif !defined(CONFIG_SAMA5_GMAC) # define PIO_PWM1_H PIO_PWM1_H_1 #endif #if !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI) # define PIO_PWM1_L PIO_PWM1_L_3 #elif !defined(CONFIG_SAMA5_ISI) # define PIO_PWM1_L PIO_PWM1_L_2 #elif !defined(CONFIG_SAMA5_GMAC) # define PIO_PWM1_L PIO_PWM1_L_1 #endif /* PWM channel 2: * * None of the output pin options are available at any of the I/O expansion * connectors for PWM channel 2 */ #if !defined(CONFIG_SAMA5_HSMCI0) # define PIO_PWM2_H PIO_PWM2_H_1 # define PIO_PWM2_L PIO_PWM2_L_1 #elif !defined(CONFIG_SAMA5_GMAC) # define PIO_PWM2_H PIO_PWM2_H_2 # define PIO_PWM2_L PIO_PWM2_L_2 #endif /* PWM channel 3: * * If the GMAC is not selected, then PB12 can used and is available at J3 pin 7. * None of the other output pins are accessible at the I/O expansion connectors. */ #if !defined(CONFIG_SAMA5_GMAC) # define PIO_PWM3_H PIO_PWM3_H_2 # define PIO_PWM3_L PIO_PWM3_L_2 #elif !defined(CONFIG_SAMA5_HSMCI0) # define PIO_PWM3_H PIO_PWM3_H_1 # define PIO_PWM3_L PIO_PWM3_L_1 #endif /************************************************************************************ * Assembly Language Macros ************************************************************************************/ #ifdef __ASSEMBLY__ .macro config_sdram .endm #endif /* __ASSEMBLY__ */ /************************************************************************************ * 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 SAMA5 architectures must provide the following entry point. This entry point * is called early in the initialization -- 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_SAMA5D3_XPLAINED_INCLUDE_BOARD_H */