| /**************************************************************************** |
| * boards/arm/sam34/sam4e-ek/src/sam4e-ek.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_SAM34_SAM4E_EK_SRC_SAM4E_EK_H |
| #define __BOARDS_ARM_SAM34_SAM4E_EK_SRC_SAM4E_EK_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| #include <nuttx/compiler.h> |
| |
| #include <stdint.h> |
| |
| #include <arch/irq.h> |
| #include <nuttx/irq.h> |
| |
| #include "hardware/sam_pinmap.h" |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /* Configuration ************************************************************/ |
| |
| #define HAVE_HSMCI 1 |
| #define HAVE_AT25 1 |
| #define HAVE_USBDEV 1 |
| #define HAVE_USBMONITOR 1 |
| #define HAVE_NETWORK 1 |
| |
| /* HSMCI */ |
| |
| /* Can't support MMC/SD if the card interface is not enabled */ |
| |
| #if !defined(CONFIG_SAM34_HSMCI) |
| # undef HAVE_HSMCI |
| #endif |
| |
| /* Can't support MMC/SD features if mountpoints are disabled */ |
| |
| #if defined(HAVE_HSMCI) && defined(CONFIG_DISABLE_MOUNTPOINT) |
| # warning Mountpoints disabled. No MMC/SD support |
| # undef HAVE_HSMCI |
| #endif |
| |
| /* We need PIO interrupts on GPIOA to support card detect interrupts */ |
| |
| #if defined(HAVE_HSMCI) && !defined(CONFIG_SAM34_GPIOA_IRQ) |
| # warning PIOA interrupts not enabled. No MMC/SD support. |
| # undef HAVE_HSMCI |
| #endif |
| |
| /* AT25 Serial FLASH */ |
| |
| /* Can't support the AT25 device if it SPI0 or AT25 support are not enabled */ |
| |
| #if !defined(CONFIG_SAM34_SPI0) || !defined(CONFIG_MTD_AT25) |
| # undef HAVE_AT25 |
| #endif |
| |
| /* Can't support AT25 features if mountpoints are disabled or if we were not |
| * asked to mount the AT25 part |
| */ |
| |
| #if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAM4EEK_AT25_BLOCKMOUNT) |
| # undef HAVE_AT25 |
| #endif |
| |
| /* If we are going to mount the AT25, then they user must also have told |
| * us what to do with it by setting one of these. |
| */ |
| |
| #ifndef CONFIG_FS_NXFFS |
| # undef CONFIG_SAM4EEK_AT25_NXFFS |
| #endif |
| |
| #if !defined(CONFIG_SAM4EEK_AT25_FTL) && !defined(CONFIG_SAM4EEK_AT25_NXFFS) |
| # undef HAVE_AT25 |
| #endif |
| |
| #if defined(CONFIG_SAM4EEK_AT25_FTL) && defined(CONFIG_SAM4EEK_AT25_NXFFS) |
| # warning Both CONFIG_SAM4EEK_AT25_FTL and CONFIG_SAM4EEK_AT25_NXFFS are set |
| # warning Ignoring CONFIG_SAM4EEK_AT25_NXFFS |
| # undef CONFIG_SAM4EEK_AT25_NXFFS |
| #endif |
| |
| /* USB Device */ |
| |
| /* CONFIG_SAM34_UDP and CONFIG_USBDEV must be defined, or there is no USB |
| * device. |
| */ |
| |
| #if !defined(CONFIG_SAM34_UDP) || !defined(CONFIG_USBDEV) |
| # undef HAVE_USBDEV |
| #endif |
| |
| /* Check if we should enable the USB monitor before starting NSH */ |
| |
| #ifndef CONFIG_USBMONITOR |
| # undef HAVE_USBMONITOR |
| #endif |
| |
| #ifndef HAVE_USBDEV |
| # undef CONFIG_USBDEV_TRACE |
| #endif |
| |
| #ifndef HAVE_USBHOST |
| # undef CONFIG_USBHOST_TRACE |
| #endif |
| |
| #if !defined(CONFIG_USBDEV_TRACE) && !defined(CONFIG_USBHOST_TRACE) |
| # undef HAVE_USBMONITOR |
| #endif |
| |
| /* Networking */ |
| |
| #if !defined(CONFIG_NET) || !defined(CONFIG_SAM34_EMAC) |
| # undef HAVE_NETWORK |
| #endif |
| |
| /* SAM4E-EK GPIO Pin Definitions ********************************************/ |
| |
| /* LCD: |
| * |
| * The SAM4E-EK carries a TFT transmissive LCD module with touch panel, |
| * FTM280C34D. |
| * Its integrated driver IC is ILI9325. The LCD display area is 2.8 inches |
| * diagonally measured, with a native resolution of 240 x 320 dots. |
| * |
| * The SAM4E16 communicates with the LCD through PIOC where an 8-bit parallel |
| * "8080-like" protocol data bus has to be implemented in software. |
| * |
| * ---- ----- --------- -------------------------------- |
| * PIN PIO SIGNAL NOTES |
| * ---- ----- --------- -------------------------------- |
| * 1 VDD |
| * 2 PC7 DB17 |
| * 3 PC6 DB16 |
| * 4 PC5 DB15 |
| * 5 PC4 DB14 |
| * 6 PC3 DB13 |
| * 7 PC2 DB12 |
| * 8 PC1 DB11 |
| * 9 PC0 DB10 |
| * 10 DB9 Pulled low |
| * 11 DB8 Pulled low |
| * 12 DB7 Pulled low |
| * 13 DB6 Pulled low |
| * 14 DB5 Pulled low |
| * 15 DB4 Pulled low |
| * 16 DB3 Pulled low |
| * 17 DB2 Pulled low |
| * 18 DB1 Pulled low |
| * 19 DB0 Pulled low |
| * ---- ----- --------- -------------------------------- |
| * 20 VDD |
| * 21 PC11 RD |
| * 22 PC8 WR |
| * 23 PC19 RS |
| * 24 PD18 CS Via J8, pulled high. |
| * 25 RESET Connects to NSRST |
| * 26 IM0 Pulled high |
| * 27 IM1 Grounded |
| * 28 GND |
| * ---- ----- --------- -------------------------------- |
| * 29 [PC13] LED-A Backlight controls: PC13 enables |
| * 30 [PC13] LEDK1 AAT3155 charge pump that drives |
| * 31 [PC13] LEDK2 the backlight LEDs |
| * 32 [PC13] LEDK3 |
| * 33 [PC13] LEDK4 |
| * 34 [PC13] LEDK1 |
| * ---- ----- --------- -------------------------------- |
| * 35 Y+ These go to the ADS7843 |
| * 36 Y- touchscreen controller. |
| * 37 X+ |
| * 38 X- |
| * 39 NC |
| * ---- ----- --------- -------------------------------- |
| * |
| * LCD backlight is made of 4 white chip LEDs in parallel, driven by an |
| * AAT3155 charge pump, MN4. |
| * The AAT3155 is controlled by the SAM3U4E through a single line |
| * Simple Serial Control (S2Cwire) interface, which permits to enable, |
| * disable, and set the LED drive current (LED brightness control) from |
| * a 32-level logarithmic scale. |
| * Four resistors R93/R94/R95/R96 are implemented for optional current |
| * limitation. |
| */ |
| |
| /* LCD Backlight pin definition. */ |
| |
| #define GPIO_LCD_BKL (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_OUTPUT_CLEAR | \ |
| GPIO_PORT_PIOC | GPIO_PIN13) |
| |
| /* ADS7843 Touchscreen controller (TSC) |
| * |
| * The LCD module integrates a 4-wire touch screen panel controlled by |
| * MN5, ADS7843, which is a slave device on the SAM3U4E SPI bus. |
| * The ADS7843 touch ADC auxiliary inputs IN3/IN4 are connected to test |
| * points for optional function extension. |
| * |
| * ------ ------- |
| * GPIO PIN |
| * ------ ------- |
| * PA11 /CS (pulled high) |
| * PA12 DOUT |
| * PA13 DIN |
| * PA14 DCLK |
| * PA16 /PENIRQ |
| * PA17 BUSY |
| * ------ ------- |
| * |
| * The IRQ is active low and pulled up. |
| * |
| * Pen Interrupt. Open anode output, requires 10kO to 100kO pull-up resistor |
| * externally. There is a 100KO pull-up on the SAM4E-EK board so no |
| * additional pull-up should be required. |
| * |
| * BUSY is high impedance when CS is high (not selected). When CS is |
| * is low, BUSY is active high. Since the pin is pulled up, it will appear |
| * busy if CS is not selected (there is no pull-up onboard). |
| */ |
| |
| #define GPIO_TCS_IRQ (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_INT_BOTHEDGES | \ |
| GPIO_PORT_PIOA | GPIO_PIN16) |
| #define GPIO_TCS_BUSY (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_PORT_PIOA | \ |
| GPIO_PIN17) |
| |
| #define SAM_TCS_IRQ SAM_IRQ_PA16 |
| |
| /* Ethernet MAC. The PHY interrupt is available on pin PD28 */ |
| |
| #define GPIO_PHY_IRQ (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \ |
| GPIO_INT_FALLING | GPIO_PORT_PIOD | GPIO_PIN28) |
| #define SAM_PHY_IRQ SAM_IRQ_PD28 |
| |
| /* LEDs |
| * |
| * D2 PA0 Blue Pulled high |
| * D3 PD20 Amber Pulled high |
| * D4 PD21 Green Pulled high |
| */ |
| |
| #define GPIO_D3 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOD | \ |
| GPIO_OUTPUT_CLEAR | GPIO_PIN20) |
| #define GPIO_D2 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOA | \ |
| GPIO_OUTPUT_SET | GPIO_PIN0) |
| #define GPIO_D4 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOD | \ |
| GPIO_OUTPUT_SET | GPIO_PIN21) |
| |
| /* Buttons |
| * |
| * Four buttons for software inputs: |
| * |
| * PA1 BUTTON_SCROLL-UP Grounded |
| * PA2 BUTTON_SCROLL-DOWN Grounded |
| * PA19 BUTTON_WAKU Grounded |
| * PA20 BUTTON_TAMP Grounded |
| */ |
| |
| #define GPIO_SCROLLUP (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \ |
| GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN1) |
| #define GPIO_SCROLLDWN (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \ |
| GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN2) |
| #define GPIO_WAKU (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \ |
| GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN19) |
| #define GPIO_TAMP (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \ |
| GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN20) |
| |
| #define IRQ_SCROLLUP SAM_IRQ_PA1 |
| #define IRQ_SCROLLDWN SAM_IRQ_PA2 |
| #define IRQ_WAKU SAM_IRQ_PA19 |
| #define IRQ_TAMP SAM_IRQ_PA20 |
| |
| /* USART1: To avoid any electrical conflict, the RS232 and RS485 transceiver |
| * are isolated from the receiving line PA21. |
| * |
| * - Chose RS485 channel: Close 1-2 pins on JP11 and set PA23 to high level |
| * - Chose RS232 channel: Close 2-3 pins on JP11 and set PA23 to low level |
| */ |
| |
| #define GPIO_RS232_ENABLE (GPIO_OUTPUT | GPIO_CFG_DEFAULT | \ |
| GPIO_OUTPUT_CLEAR | GPIO_PORT_PIOA | GPIO_PIN23) |
| #define GPIO_RS485_ENABLE (GPIO_OUTPUT | GPIO_CFG_DEFAULT | \ |
| GPIO_OUTPUT_SET | GPIO_PORT_PIOA | GPIO_PIN23) |
| |
| /* HSMCI SD Card Detect |
| * |
| * PA26 DAT2 |
| * PA27 DAT3 |
| * PA28 CMD |
| * PA29 CLK |
| * PA30 DAT0 |
| * PA31 DAT1 |
| * PA6 CD Pulled high |
| */ |
| |
| #define GPIO_MCI_CD (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_PORT_PIOA | GPIO_PIN6) |
| #define MCI_CD_IRQ SAM_IRQ_PA6 |
| |
| /* SPI Chip Selects */ |
| |
| /* Touchscreen Controller: |
| * |
| * ------ ------- |
| * GPIO PIN |
| * ------ ------- |
| * PA11 /CS (pulled high externally) |
| * PA12 DOUT |
| * PA13 DIN |
| * PA14 DCLK |
| * PA16 /PENIRQ |
| * PA17 BUSY |
| * ------ ------- |
| * |
| * Chip select pin connected to the touchscreen controller and to the ZigBee |
| * module connector. |
| * Notice that the touchscreen chip select is implemented as a GPIO |
| * OUTPUT that must be controlled by board-specific. |
| * This is because the ADS7843E driver must be able to sample the device BUSY |
| * GPIO input between SPI transfers. |
| * However, the AD7843E will tri-state the BUSY input whenever the chip |
| * select is de-asserted. |
| * So the only option is to control the chip select manually and hold |
| * it low throughout the SPI transfer. |
| */ |
| |
| #define GPIO_TSC_CS (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_OUTPUT_SET | \ |
| GPIO_PORT_PIOA | GPIO_PIN11) |
| #define TSC_CSNUM 0 |
| |
| /* Serial FLASH (AT25DF321A) |
| * |
| * ------ ------- --------------- |
| * GPIO PIN SAM4E FUNCTION |
| * ------ ------- --------------- |
| * PA13 SI MOSI |
| * PA12 SO MIS0 |
| * PA14 SCK SPCK |
| * PA5 /CS NPCS3 (pulled high externally) |
| * ------ ------- --------------- |
| */ |
| |
| #define GPIO_FLASH_CS (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_OUTPUT_SET | \ |
| GPIO_PORT_PIOA | GPIO_PIN5) |
| #define FLASH_CSNUM 3 |
| |
| /**************************************************************************** |
| * Public Types |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Public Data |
| ****************************************************************************/ |
| |
| #ifndef __ASSEMBLY__ |
| |
| /**************************************************************************** |
| * Public Functions Definitions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Name: sam_spidev_initialize |
| * |
| * Description: |
| * Called to configure SPI chip select GPIO pins for the SAM4E-EK board. |
| * |
| ****************************************************************************/ |
| |
| void weak_function sam_spidev_initialize(void); |
| |
| /**************************************************************************** |
| * Name: sam_hsmci_initialize |
| * |
| * Description: |
| * Initialize HSMCI support |
| * |
| ****************************************************************************/ |
| |
| #ifdef HAVE_HSMCI |
| int sam_hsmci_initialize(int minor); |
| #else |
| # define sam_hsmci_initialize(minor) (-ENOSYS) |
| #endif |
| |
| /**************************************************************************** |
| * Name: sam_netinitialize |
| * |
| * Description: |
| * Configure board resources to support networking. |
| * |
| ****************************************************************************/ |
| |
| #ifdef HAVE_NETWORK |
| void weak_function sam_netinitialize(void); |
| #endif |
| |
| /**************************************************************************** |
| * Name: sam_cardinserted |
| * |
| * Description: |
| * Check if a card is inserted into the selected HSMCI slot |
| * |
| ****************************************************************************/ |
| |
| #ifdef HAVE_HSMCI |
| bool sam_cardinserted(int slotno); |
| #else |
| # define sam_cardinserted(slotno) (false) |
| #endif |
| |
| /**************************************************************************** |
| * Name: sam_writeprotected |
| * |
| * Description: |
| * Check if the card in the MMCSD slot is write protected |
| * |
| ****************************************************************************/ |
| |
| #ifdef HAVE_HSMCI |
| bool sam_writeprotected(int slotno); |
| #else |
| # define sam_writeprotected(slotno) (false) |
| #endif |
| |
| /**************************************************************************** |
| * Name: sam_at25_automount |
| * |
| * Description: |
| * Initialize, configure, and mount the AT25 serial FLASH. The FLASH will |
| * be mounted at /dev/at25. |
| * |
| ****************************************************************************/ |
| |
| #ifdef HAVE_AT25 |
| int sam_at25_automount(int minor); |
| #else |
| # define sam_at25_automount(minor) (-ENOSYS) |
| #endif |
| |
| /**************************************************************************** |
| * Name: sam_tsc_setup |
| * |
| * Description: |
| * This function is called by board-bringup logic to configure the |
| * touchscreen device. |
| * This function will register the driver as /dev/inputN where N is the |
| * minor device number. |
| * |
| * Input Parameters: |
| * minor - The input device minor number |
| * |
| * Returned Value: |
| * Zero is returned on success. Otherwise, a negated errno value is |
| * returned to indicate the nature of the failure. |
| * |
| ****************************************************************************/ |
| |
| #ifdef CONFIG_INPUT_ADS7843E |
| int sam_tsc_setup(int minor); |
| #endif |
| |
| #endif /* __ASSEMBLY__ */ |
| #endif /* __BOARDS_ARM_SAM34_SAM4E_EK_SRC_SAM4E_EK_H */ |
