/************************************************************************************ * configs/sama5d3x-ek/src/sama5d3x-ek.h * * Copyright (C) 2013-2014 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_SAMA5D3X_EK_SRC_SAMA5D3X_EK_H #define __CONFIGS_SAMA5D3X_EK_SRC_SAMA5D3X_EK_H /************************************************************************************ * Included Files ************************************************************************************/ #include #include #include #include #include #include "chip/sam_pinmap.h" /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /* Configuration ************************************************************/ #define HAVE_HSMCI 1 #define HAVE_AT24 1 #define HAVE_AT25 1 #define HAVE_NAND 1 #define HAVE_USBHOST 1 #define HAVE_USBDEV 1 #define HAVE_USBMONITOR 1 #define HAVE_NETWORK 1 #define HAVE_CAMERA 1 #define HAVE_WM8904 1 /* HSMCI */ /* Can't support MMC/SD if the card interface(s) are not enable */ #if !defined(CONFIG_SAMA5_HSMCI0) && !defined(CONFIG_SAMA5_HSMCI1) # 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 PIOD to support card detect interrupts */ #if defined(HAVE_HSMCI) && !defined(CONFIG_SAMA5_PIOD_IRQ) # warning PIOD interrupts not enabled. No MMC/SD support. # undef HAVE_HSMCI #endif /* NAND FLASH */ /* Can't support the NAND device if NAND flash is not configured on EBI CS3 */ #ifndef CONFIG_SAMA5_EBICS3_NAND # undef HAVE_NAND #endif /* Can't support NAND features if mountpoints are disabled or if we were not * asked to mount the NAND part */ #if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5D3XEK_NAND_BLOCKMOUNT) # undef HAVE_NAND #endif /* Can't support NAND if the MTD feature is not enabled */ #if !defined(CONFIG_MTD) || !defined(CONFIG_MTD_NAND) # undef HAVE_NAND #endif /* If we are going to mount the NAND, then they user must also have told * us what to do with it by setting one of CONFIG_SAMA5D3xEK_NAND_FTL or * CONFIG_SAMA5D3xEK_NAND_NXFFS. */ #ifndef CONFIG_MTD # undef CONFIG_SAMA5D3xEK_NAND_NXFFS # undef CONFIG_SAMA5D3xEK_NAND_FTL #endif #if !defined(CONFIG_FS_NXFFS) || !defined(CONFIG_NXFFS_NAND) # undef CONFIG_SAMA5D3xEK_NAND_NXFFS #endif #if !defined(CONFIG_SAMA5D3xEK_NAND_FTL) && !defined(CONFIG_SAMA5D3xEK_NAND_NXFFS) # undef HAVE_NAND #endif #if defined(CONFIG_SAMA5D3xEK_NAND_FTL) && defined(CONFIG_SAMA5D3xEK_NAND_NXFFS) # warning Both CONFIG_SAMA5D3xEK_NAND_FTL and CONFIG_SAMA5D3xEK_NAND_NXFFS are set # warning Ignoring CONFIG_SAMA5D3xEK_NAND_NXFFS # undef CONFIG_SAMA5D3xEK_NAND_NXFFS #endif /* AT25 Serial FLASH */ /* Can't support the AT25 device if it SPI0 or AT25 support are not enabled */ #if !defined(CONFIG_SAMA5_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_SAMA5D3xEK_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_SAMA5D3xEK_AT25_NXFFS #endif #if !defined(CONFIG_SAMA5D3xEK_AT25_FTL) && !defined(CONFIG_SAMA5D3xEK_AT25_NXFFS) # undef HAVE_AT25 #endif #if defined(CONFIG_SAMA5D3xEK_AT25_FTL) && defined(CONFIG_SAMA5D3xEK_AT25_NXFFS) # warning Both CONFIG_SAMA5D3xEK_AT25_FTL and CONFIG_SAMA5D3xEK_AT25_NXFFS are set # warning Ignoring CONFIG_SAMA5D3xEK_AT25_NXFFS # undef CONFIG_SAMA5D3xEK_AT25_NXFFS #endif /* AT24 Serial EEPROM * * A AT24C512 Serial EEPPROM was used for tested I2C. There are other I2C/TWI * devices on-board, but the serial EEPROM is the simplest test. * * There is, however, no AT24 EEPROM on board the SAMA5D3x-EK: The Serial * EEPROM was mounted on an external adaptor board and connected to the * SAMA5D3x-EK thusly: * * - VCC -- VCC * - GND -- GND * - TWCK0(PA31) -- SCL * - TWD0(PA30) -- SDA * * By default, PA30 and PA31 are SWJ-DP pins, it can be used as a pin for TWI * peripheral in the end application. */ #define AT24_BUS 0 #if !defined(CONFIG_MTD_AT24XX) || !defined(CONFIG_SAMA5_TWI0) # undef HAVE_AT24 #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_SAMA5D3xEK_AT24_BLOCKMOUNT) # undef HAVE_AT24 #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_SAMA5D3xEK_AT24_NXFFS #endif #if !defined(CONFIG_SAMA5D3xEK_AT24_FTL) && !defined(CONFIG_SAMA5D3xEK_AT24_NXFFS) # undef HAVE_AT24 #endif #if defined(CONFIG_SAMA5D3xEK_AT24_FTL) && defined(CONFIG_SAMA5D3xEK_AT24_NXFFS) # warning Both CONFIG_SAMA5D3xEK_AT24_FTL and CONFIG_SAMA5D3xEK_AT24_NXFFS are set # warning Ignoring CONFIG_SAMA5D3xEK_AT24_NXFFS # undef CONFIG_SAMA5D3xEK_AT24_NXFFS #endif /* Assign minor device numbers. For example, if we also use MINOR number 0 * for the AT25, it should appear as /dev/mtdblock0 */ #define _NAND_MINOR 0 #ifdef HAVE_NAND # define NAND_MINOR _NAND_MINOR # define _AT25_MINOR (_NAND_MINOR+1) #else # define _AT25_MINOR _NAND_MINOR #endif #ifdef HAVE_AT25 # define AT25_MINOR _AT25_MINOR # define _AT24_MINOR (_AT25_MINOR+1) #else # define _AT24_MINOR _AT25_MINOR #endif #ifdef HAVE_AT24 # define AT24_MINOR _AT24_MINOR #endif /* MMC/SD minor numbers: The NSH device minor extended is extended to support * two devices. If CONFIG_NSH_MMCSDMINOR is zero, these will be: /dev/mmcsd0 * and /dev/mmcsd1. */ #ifndef CONFIG_NSH_MMCSDMINOR # define CONFIG_NSH_MMCSDMINOR 0 #endif #ifdef HAVE_HSMCI # define HSMCI0_SLOTNO 0 # define HSMCI1_SLOTNO 1 # ifdef CONFIG_SAMA5_HSMCI0 # define HSMCI0_MINOR CONFIG_NSH_MMCSDMINOR # define HSMCI1_MINOR (CONFIG_NSH_MMCSDMINOR+1) # else # define HSMCI1_MINOR CONFIG_NSH_MMCSDMINOR # endif #else #endif /* USB Host / USB Device */ /* Either CONFIG_SAMA5_UHPHS or CONFIG_SAMA5_UDPHS must be defined, or there is * no USB of any kind. */ #if !defined(CONFIG_SAMA5_UHPHS) # undef CONFIG_SAMA5_OHCI # undef CONFIG_SAMA5_EHCI #endif #if !defined(CONFIG_SAMA5_UDPHS) # undef HAVE_USBDEV #endif /* CONFIG_USBDEV and CONFIG_USBHOST must also be defined */ #if !defined(CONFIG_USBDEV) # undef HAVE_USBDEV #endif #if defined(CONFIG_USBHOST) # if !defined(CONFIG_SAMA5_OHCI) && !defined(CONFIG_SAMA5_EHCI) # warning CONFIG_USBHOST is defined, but neither CONFIG_SAMA5_OHCI nor CONFIG_SAMA5_EHCI are defined # endif #else # undef CONFIG_SAMA5_OHCI # undef CONFIG_SAMA5_EHCI #endif #if !defined(CONFIG_SAMA5_OHCI) && !defined(CONFIG_SAMA5_EHCI) # undef HAVE_USBHOST #endif /* Check if we should enable the USB monitor before starting NSH */ #ifndef CONFIG_SYSTEM_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_SAMA5_EMACA) && !defined(CONFIG_SAMA5_GMAC)) # undef HAVE_NETWORK #endif /* Audio */ /* PCM/WM8904 driver */ #ifndef CONFIG_AUDIO_WM8904 # undef HAVE_WM8904 #endif #ifdef HAVE_WM8904 # ifndef CONFIG_SAMA5_TWI0 # warning CONFIG_SAMA5_TWI0 is required for audio support # undef HAVE_WM8904 # endif # ifndef CONFIG_SAMA5_SSC0 # warning CONFIG_SAMA5_SSC0 is required for audio support # undef HAVE_WM8904 # endif # if !defined(CONFIG_SAMA5_PIOD_IRQ) # warning CONFIG_SAMA5_PIOD_IRQ is required for audio support # undef HAVE_HSMCI # endif # ifndef CONFIG_AUDIO_FORMAT_PCM # warning CONFIG_AUDIO_FORMAT_PCM is required for audio support # undef HAVE_WM8904 # endif # ifndef CONFIG_SAMA5D3xEK_WM8904_I2CFREQUENCY # warning Defaulting to maximum WM8904 I2C frequency # define CONFIG_SAMA5D3xEK_WM8904_I2CFREQUENCY 400000 # endif # if CONFIG_SAMA5D3xEK_WM8904_I2CFREQUENCY > 400000 # warning WM8904 I2C frequency cannot exceed 400KHz # undef CONFIG_SAMA5D3xEK_WM8904_I2CFREQUENCY # define CONFIG_SAMA5D3xEK_WM8904_I2CFREQUENCY 400000 # endif #endif /* Camera */ #define OV2640_BUS 1 #ifndef CONFIG_SAMA5D3xEK_OV2640_DEMO # undef HAVE_CAMERA #endif #if defined(HAVE_CAMERA) && !defined(CONFIG_SAMA5_ISI) # warning OV2640 camera demo requires CONFIG_SAMA5_ISI # undef HAVE_CAMERA #endif #if defined(HAVE_CAMERA) && !defined(CONFIG_SAMA5_TWI1) # warning OV2640 camera demo requires CONFIG_SAMA5_TWI1 # undef HAVE_CAMERA #endif /* LEDs *****************************************************************************/ /* 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. * * PE25. This blue LED is pulled high and is illuminated by pulling PE25 * 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. * * N.B. PE24 Drives the RED Led on the CM (SODIMM200), but unfortunately * it is also connected to ISI_RST on the MB (Main Board) and controlling * it will reset a Camera connected to the ISI */ #define PIO_BLUE (PIO_OUTPUT | PIO_CFG_PULLUP | PIO_OUTPUT_SET | \ PIO_PORT_PIOE | PIO_PIN25) #ifndef CONFIG_SAMA5D3xEK_NOREDLED # define PIO_RED (PIO_OUTPUT | PIO_CFG_PULLUP | PIO_OUTPUT_CLEAR | \ PIO_PORT_PIOE | PIO_PIN24) #endif /* Buttons **************************************************************************/ /* There are five push button switches on the SAMA5D3X-EK base board: * * 1. One Reset, board reset (BP1) * 2. One Wake up, push button to bring the processor out of low power mode * (BP2) * 3. One User momentary Push Button * 4. One Disable CS Push Button * * Only the momentary push button is controllable by software (labeled * "PB_USER1" on the board): * * - PE27. Pressing the switch connects PE27 to ground. Therefore, PE27 * must be pulled high internally. When the button is pressed the SAMA5 * will sense "0" is on PE27. */ #define PIO_USER1 (PIO_INPUT | PIO_CFG_PULLUP | PIO_CFG_DEGLITCH | \ PIO_INT_BOTHEDGES | PIO_PORT_PIOE | PIO_PIN27) #define IRQ_USER1 SAM_IRQ_PE27 /* HSMCI Card Slots *****************************************************************/ /* The SAMA5D3x-EK provides a two SD memory card slots: (1) a full size SD card * slot (J7 labeled MCI0), and (2) a microSD memory card slot (J6 labeled MCI1). * * The full size SD card slot connects via HSMCI0. The card detect discrete * is available on PB17 (pulled high). The write protect descrete is tied to * ground (via PP6) and not available to software. The slot supports 8-bit * wide transfer mode, but the NuttX driver currently uses only the 4-bit * wide transfer mode * * PD17 MCI0_CD * PD1 MCI0_DA0 * PD2 MCI0_DA1 * PD3 MCI0_DA2 * PD4 MCI0_DA3 * PD5 MCI0_DA4 * PD6 MCI0_DA5 * PD7 MCI0_DA6 * PD8 MCI0_DA7 * PD9 MCI0_CK * PD0 MCI0_CDA */ #define PIO_MCI0_CD (PIO_INPUT | PIO_CFG_DEFAULT | PIO_CFG_DEGLITCH | \ PIO_INT_BOTHEDGES | PIO_PORT_PIOD | PIO_PIN17) #define IRQ_MCI0_CD SAM_IRQ_PD17 /* The microSD connects vi HSMCI1. The card detect discrete is available on * PB18 (pulled high): * * PD18 MCI1_CD * PB20 MCI1_DA0 * PB21 MCI1_DA1 * PB22 MCI1_DA2 * PB23 MCI1_DA3 * PB24 MCI1_CK * PB19 MCI1_CDA */ #define PIO_MCI1_CD (PIO_INPUT | PIO_CFG_DEFAULT | PIO_CFG_DEGLITCH | \ PIO_INT_BOTHEDGES | PIO_PORT_PIOD | PIO_PIN18) #define IRQ_MCI1_CD SAM_IRQ_PD18 /* USB Ports ************************************************************************/ /* The SAMA5D3 series-MB features three USB communication ports: * * 1. Port A Host High Speed (EHCI) and Full Speed (OHCI) multiplexed with * USB Device High Speed Micro AB connector, J20 * * 2. Port B Host High Speed (EHCI) and Full Speed (OHCI) standard type A * connector, J19 upper port * * 3. Port C Host Full Speed (OHCI) only standard type A connector, J19 * lower port * * All three USB host ports are equipped with 500 mA high-side power switch * for self-powered and buspowered applications. The USB device port feature * VBUS inserts detection function. * * Port A * * PIO Signal Name Function * ---- ----------- ------------------------------------------------------- * PD29 VBUS_SENSE VBus detection * PD25 EN5V_USBA VBus power enable (via MN15 AIC1526 Dual USB High-Side * Power Switch. The other channel of the switch is for * the LCD) */ #define PIO_USBA_VBUS_SENSE \ (PIO_INPUT | PIO_CFG_PULLUP | PIO_CFG_DEGLITCH | \ PIO_INT_BOTHEDGES | PIO_PORT_PIOD | PIO_PIN29) #define IRQ_USBA_VBUS_SENSE \ SAM_IRQ_PD29 #define PIO_USBA_VBUS_ENABLE \ (PIO_OUTPUT | PIO_CFG_DEFAULT | PIO_OUTPUT_CLEAR | \ PIO_PORT_PIOD | PIO_PIN25) /* Port B * * PIO Signal Name Function * ---- ----------- ------------------------------------------------------- * PD26 EN5V_USBB VBus power enable (via MN14 AIC1526 Dual USB High-Side * Power Switch). To the A1 pin of J19 Dual USB A * connector */ #define PIO_USBB_VBUS_ENABLE \ (PIO_OUTPUT | PIO_CFG_DEFAULT | PIO_OUTPUT_CLEAR | \ PIO_PORT_PIOD | PIO_PIN26) /* Port C * * PIO Signal Name Function * ---- ----------- ------------------------------------------------------- * PD27 EN5V_USBC VBus power enable (via MN14 AIC1526 Dual USB High-Side * Power Switch). To the B1 pin of J19 Dual USB A * connector */ #define PIO_USBC_VBUS_ENABLE \ (PIO_OUTPUT | PIO_CFG_DEFAULT | PIO_OUTPUT_CLEAR | \ PIO_PORT_PIOD | PIO_PIN27) /* Both Ports B and C * * PIO Signal Name Function * ---- ----------- ------------------------------------------------------- * PD28 OVCUR_USB Combined overrcurrent indication from port A and B */ #define PIO_USBBC_VBUS_OVERCURRENT \ (PIO_INPUT | PIO_CFG_PULLUP | PIO_CFG_DEGLITCH | \ PIO_INT_BOTHEDGES | PIO_PORT_PIOD | PIO_PIN28) #define IRQ_USBBC_VBUS_OVERCURRENT \ SAM_IRQ_PD28 /* Ethernet */ #ifdef CONFIG_SAMA5_EMACA /* ETH1: Ethernet 10/100 (EMAC A) Port * * The main board contains a MICREL PHY device (KSZ8051) operating at 10/100 Mbps. * The board supports MII and RMII interface modes. * * The two independent PHY devices embedded on CM and MB boards are connected to * independent RJ-45 connectors with built-in magnetic and status LEDs. * * At the De-Assertion of Reset: * PHY ADD[2:0]:001 * CONFIG[2:0]:001,Mode:RMII * Duplex Mode:Half Duplex * Isolate Mode:Disable * Speed Mode:100Mbps * Nway Auto-Negotiation:Enable * * The KSZ8051 PHY interrupt is available on PE30 INT_ETH1. The sense of * the interrupt is configurable but is, by default, active low. */ #define PIO_INT_ETH1 (PIO_INPUT | PIO_CFG_PULLUP | PIO_CFG_DEGLITCH | \ PIO_INT_FALLING | PIO_PORT_PIOE | PIO_PIN30) #define IRQ_INT_ETH1 SAM_IRQ_PE30 #endif #ifdef CONFIG_SAMA5_GMAC /* ETH0: Tri-Speed Ethernet PHY * * The SAMA5D3 series-CM board is equipped with a MICREL PHY devices (MICREL * KSZ9021/31) operating at 10/100/1000 Mbps. The board supports RGMII interface * mode. The Ethernet interface consists of 4 pairs of low voltage differential * pair signals designated from GRX± and GTx± plus control signals for link * activity indicators. These signals can be used to connect to a 10/100/1000 * BaseT RJ45 connector integrated on the main board. * * The KSZ9021/31 interrupt is available on PB35 INT_GETH0. The sense of * the interrupt is configurable but is, by default, active low. */ #define PIO_INT_ETH0 (PIO_INPUT | PIO_CFG_PULLUP | PIO_CFG_DEGLITCH | \ PIO_INT_FALLING | PIO_PORT_PIOB | PIO_PIN25) #define IRQ_INT_ETH0 SAM_IRQ_PB25 #endif /* WM8904 Audio Codec ***************************************************************/ /* SAMA5D3-EK Interface * ------------- ---------------- ----------------- * WM8904 SAMA5D3 NuttX Pin Name * ------------- ---------------- ----------------- * 3 SDA PA30 TWD0 PIO_TWI0_D * 2 SCLK PA31 TWCK0 PIO_TWI0_CK * 28 MCLK PD30 PCK0 PIO_PMC_PCK0 * 29 BCLK/GPIO4 PC16 TK PIO_SSC0_TK * "" " " PC19 RK PIO_SSC0_RK * 30 LRCLK PC17 TF PIO_SSC0_TF * "" " " PC20 RF PIO_SSC0_RF * 31 ADCDAT PC21 RD PIO_SSC0_RD * 32 DACDAT PC18 TD PIO_SSC0_TD * 1 IRQ/GPIO1 PD16 INT_AUDIO N/A * ------------- ---------------- ----------------- */ /* Audio Interrupt. All interrupts are default, active high level. Pull down * internally in the WM8904. So we want no pull-up/downs and we want to * interrupt on the high level. */ #define PIO_INT_WM8904 (PIO_INPUT | PIO_CFG_DEFAULT | PIO_CFG_DEGLITCH | \ PIO_INT_HIGHLEVEL | PIO_PORT_PIOD | PIO_PIN16) #define IRQ_INT_WM8904 SAM_IRQ_PD16 /* The MW8904 communicates on TWI0, I2C address 0x1a for control operations */ #define WM8904_TWI_BUS 0 #define WM8904_I2C_ADDRESS 0x1a /* The MW8904 transfers data on SSC0 */ #define WM8904_SSC_BUS 0 /* SPI Chip Selects *****************************************************************/ /* Both the Ronetix and Embest versions of the SAMAD3x CPU modules include an * Atmel AT25DF321A, 32-megabit, 2.7-volt SPI serial flash. The SPI * connection is as follows: * * AT25DF321A SAMA5 * --------------- ----------------------------------------------- * SI PD11 SPI0_MOSI * SO PD10 SPI0_MIS0 * SCK PD12 SPI0_SPCK * /CS PD13 via NL17SZ126 if JP1 is closed (See below) * * JP1 and JP2 seem to related to /CS on the Ronetix board, but the usage is * less clear. For the Embest module, JP1 must be closed to connect /CS to * PD13; on the Ronetix schematic, JP11 seems only to bypass a resistor (may * not be populated?). I think closing JP1 is correct in either case. */ #define PIO_AT25_NPCS0 (PIO_OUTPUT | PIO_CFG_PULLUP | PIO_OUTPUT_SET | \ PIO_PORT_PIOD | PIO_PIN13) #define AT25_PORT SPI0_CS0 /************************************************************************************ * Public Types ************************************************************************************/ /************************************************************************************ * Public data ************************************************************************************/ #ifndef __ASSEMBLY__ /************************************************************************************ * Public Functions ************************************************************************************/ /************************************************************************************ * Name: sam_spiinitialize * * Description: * Called to configure SPI chip select PIO pins for the SAMA5D3x-EK board. * ************************************************************************************/ #if defined(CONFIG_SAMA5_SPI0) || defined(CONFIG_SAMA5_SPI1) void weak_function sam_spiinitialize(void); #endif /************************************************************************************ * Name: sam_sdram_config * * Description: * Configures DDR2 (MT47H128M16RT 128MB or, optionally, MT47H64M16HR) * * Per the SAMA5D3x-EK User guide: "Two SDRAM/DDR2 used as main system memory. * MT47H128M16 - 2 Gb - 16 Meg x 16 x 8 banks, the board provides up to 2 Gb on- * board, soldered DDR2 SDRAM. The memory bus is 32 bits wide and operates with * up to 166 MHz." * * From the Atmel Code Example: * MT47H64M16HR : 8 Meg x 16 x 8 banks * Refresh count: 8K * Row address: A[12:0] (8K) * Column address A[9:0] (1K) * Bank address BA[2:0] a(24,25) (8) * * This logic was taken from Atmel sample code for the SAMA5D3x-EK. * * Input Parameters: * None * * Assumptions: * The DDR memory regions is configured as strongly ordered memory. When we * complete initialization of SDRAM and it is ready for use, we will make DRAM * into normal memory. * ************************************************************************************/ #if defined(CONFIG_SAMA5_DDRCS) && !defined(CONFIG_SAMA5_BOOT_SDRAM) void sam_sdram_config(void); #else # define sam_sdram_config() #endif /**************************************************************************** * Name: sam_nand_automount * * Description: * Initialize and configure the NAND on CS3 * ****************************************************************************/ #ifdef HAVE_NAND int sam_nand_automount(int minor); #endif /**************************************************************************** * Name: sam_at25_automount * * Description: * Initialize and configure the AT25 serial FLASH * ****************************************************************************/ #ifdef HAVE_AT25 int sam_at25_automount(int minor); #endif /**************************************************************************** * Name: sam_at24_automount * * Description: * Initialize and configure the AT24 serial EEPROM * ****************************************************************************/ #ifdef HAVE_AT24 int sam_at24_automount(int minor); #endif /**************************************************************************** * Name: sam_hsmci_initialize * * Description: * Initialize and configure one HSMCI slot * ****************************************************************************/ #ifdef HAVE_HSMCI int sam_hsmci_initialize(int slotno, int minor); #endif /************************************************************************************ * Name: sam_cardinserted * * Description: * Check if a card is inserted into the selected HSMCI slot * ************************************************************************************/ #ifdef HAVE_HSMCI bool sam_cardinserted(int slotno); #endif /************************************************************************************ * Name: sam_writeprotected * * Description: * Check if the card in the MMCSD slot is write protected * ************************************************************************************/ #ifdef HAVE_HSMCI bool sam_writeprotected(int slotno); #endif /************************************************************************************ * Name: sam_usbinitialize * * Description: * Called from sam_usbinitialize very early in inialization to setup USB-related * PIO pins for the SAMA5D3x-EK board. * ************************************************************************************/ #if defined(CONFIG_SAMA5_UHPHS) || defined(CONFIG_SAMA5_UDPHS) void weak_function sam_usbinitialize(void); #endif /**************************************************************************************************** * Name: stm32_usbhost_initialize * * Description: * Called at application startup time to initialize the USB host functionality. This function will * start a thread that will monitor for device connection/disconnection events. * ****************************************************************************************************/ #ifdef HAVE_USBHOST int sam_usbhost_initialize(void); #endif /************************************************************************************ * Name: sam_netinitialize * * Description: * Configure board resources to support networking. * ************************************************************************************/ #ifdef HAVE_NETWORK void weak_function sam_netinitialize(void); #endif /**************************************************************************** * Name: sam_wm8904_initialize * * Description: * This function is called by platform-specific, setup logic to configure * and register the WM8904 device. This function will register the driver * as /dev/wm8904[x] where x is determined by 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 HAVE_WM8904 int sam_wm8904_initialize(int minor); #endif /* HAVE_WM8904 */ #endif /* __ASSEMBLY__ */ #endif /* __CONFIGS_SAMA5D3X_EK_SRC_SAMA5D3X_EK_H */