/**************************************************************************** * boards/arm/sama5/sama5d4-ek/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_SAMA5_SAMA5D4_EK_INCLUDE_BOARD_H #define __BOARDS_ARM_SAMA5_SAMA5D4_EK_INCLUDE_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ #include #include /* 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_SAMA5D4EK_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_SAMA5D4EK_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_SAMA5D4EK_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 /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* LED definitions **********************************************************/ /* There are 3 LEDs on the SAMA5D4-EK: * * ---------------------------- ----------------- ----------------------- * SAMA5D4 PIO SIGNAL USAGE * ---------------------------- ----------------- ----------------------- * PE28/NWAIT/RTS4/A19 1Wire_PE28 1-WIRE ROM, LCD, D8 (green) * PE8/A8/TCLK3/PWML3 LED_USER_PE8 LED_USER (D10) * PE9/A9/TIOA2 LED_POWER_PE9 LED_POWER (D9, Red) * ---------------------------- ----------------- ----------------------- * * - D8: D8 is shared with other functions and cannot be used if the 1-Wire * ROM is used. * I am not sure of the LCD function, but the LED may not be available if * the LCD is used either. We will avoid using D8 just for simplicity. * - D10: Nothing special here. A low output illuminates. * - D9: The Power ON LED. Connects to the via an IRLML2502 MOSFET. * This LED will be on when power is applied but otherwise a low output * value will turn it off. */ /* LED index values for use with board_userled() */ #define BOARD_USER 0 #define BOARD_POWER 1 #define BOARD_NLEDS 2 /* LED bits for use with board_userled_all() */ #define BOARD_USER_BIT (1 << BOARD_BLUE) #define BOARD_POWER_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 D0 and D9 are statically on, NuttX has successfully booted and * is, apparently, running normally. If the red D9 LED is flashing at * approximately 2Hz, then a fatal error has been detected and the system * has halted. */ /* Button definitions *******************************************************/ /* A single button, PB_USER1 (PB2), is available on the SAMA5D4-EK: * * ------------------------------ ------------------- ----------------------- * SAMA5D4 PIO SIGNAL USAGE * ------------------------------ ------------------- ----------------------- * PE13/A13/TIOB1/PWML2 PB_USER1_PE13 PB_USER1 * ------------------------------ ------------------- ----------------------- * * Closing JP2 will bring PE13 to ground so * 1) PE13 should have a weak pull-up, and * 2) when PB2 is pressed, a low value will be senses. */ #define BUTTON_USER 0 #define NUM_BUTTONS 1 #define BUTTON_USER_BIT (1 << BUTTON_USER) /* LCD Interface, Geometry and Timing ***************************************/ /* This configuration applies only to the TM7000 LCD/Touchscreen module. * Other LCDs will require changes. * * NOTE: * The TM7000 user manual claims that the hardware interface is 18-bit * RGB666. * If you select that, you will get a very pink display (because the upper, * "red" bits floating high). * By trial and error, the 24-bit select was found to produce the correct * color output. * * NOTE: * Timings come from the smaller SAMA5D3x-EK LCD and have not been optimized * for this display. */ #define BOARD_LCDC_OUTPUT_BPP 24 /* Output format to H/W is 24 bpp RGB888 */ #define BOARD_LCDC_WIDTH 800 /* Display width (pixels) */ #define BOARD_LCDC_HEIGHT 480 /* Display height (rows) */ #define BOARD_LCDC_MCK_MUL2 1 /* Source clock is 2*Mck (vs Mck) */ #define BOARD_LCDC_PIXCLK_INV 1 /* Invert pixel clock, use falling edge */ #define BOARD_LCDC_GUARDTIME 9 /* Guard time (frames) */ #define BOARD_LCDC_VSPW 2 /* Vertical pulse width (lines) */ #define BOARD_LCDC_HSPW 128 /* Horizontal pulse width (LCDDOTCLK) */ #define BOARD_LCDC_VFPW 37 /* Vertical front porch (lines) */ #define BOARD_LCDC_VBPW 8 /* Vertical back porch (lines) */ #define BOARD_LCDC_HFPW 168 /* Horizontal front porch (LCDDOTCLK) */ #define BOARD_LCDC_HBPW 88 /* Horizontal back porch (LCDDOTCLK) */ /* Pixel clock rate in Hz (HS period * VS period * BOARD_LCDC_FRAMERATE). */ #define BOARD_LCDC_FRAMERATE 40 /* Frame rate in Hz */ #define BOARD_LCDC_HSPERIOD \ (BOARD_LCDC_HSPW + BOARD_LCDC_HBPW + BOARD_LCDC_WIDTH + BOARD_LCDC_HFPW) #define BOARD_LCDC_VSPERIOD \ (BOARD_LCDC_VSPW + BOARD_LCDC_VBPW + BOARD_LCDC_HEIGHT + BOARD_LCDC_VFPW) #define BOARD_LCDC_PIXELCLOCK \ (BOARD_LCDC_HSPERIOD * BOARD_LCDC_VSPERIOD * BOARD_LCDC_FRAMERATE) /* Backlight prescaler value and PWM output polarity */ #define BOARD_LCDC_PWMPS LCDC_LCDCFG6_PWMPS_DIV1 #define BOARD_LCDC_PWMPOL LCDC_LCDCFG6_PWMPOL /* 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 /* Pin disambiguation *******************************************************/ /* Alternative pin selections are provided with a numeric suffix like _1, _2, * etc. * Drivers, however, will use the pin selection without the numeric suffix. * Additional definitions are required in this board.h file. For example, * if we wanted the PCK0on PB26, then the following definition should appear * in the board.h header file for that board: * * #define PIO_PMC_PCK0 PIO_PMC_PCK0_1 * * The PCK logic will then automatically configure PB26 as the PCK0 pin. */ /* SSC0 TD is provided on PB28 */ #define PIO_SSC0_TD PIO_SSC0_TD_2 /* PCK2 is provides the MCLK to the WM8904 audio CODEC via PB10 */ #define PIO_PMC_PCK2 PIO_PMC_PCK2_1 /* PCK0 and PCK1 are not currently used, but the PCK logic wants these * definitions anyway. * The assignments here are arbitrary and will not be used (at least not * until we implement ISI of HDMI). * * PIO_PMC_PCK0_1: PB26 is used by I2S with the WM8904 (AUDIO_RK0_PB26) * PIO_PMC_PCK0_2: PD8 is the HDMI MCLK (HDMI_MCK_PD8) * PIO_PMC_PCK0_3: PA24 is used for the LCD backlight (LCD_PWM_PA24) * * PIO_PMC_PCK1_1: PD31 goes to the expansion interface and is not used * on-board (EXP_PD31). * PIO_PMC_PCK1_2: PC24 is used for ISI data (ISI_D5) * PIO_PMC_PCK1_3: PC4 is ISI_MCK_PC4, MCI0_CK_PC4, EXP_PC4 */ #define PIO_PMC_PCK0 PIO_PMC_PCK0_2 #define PIO_PMC_PCK1 PIO_PMC_PCK1_1 /**************************************************************************** * Assembly Language Macros ****************************************************************************/ #ifdef __ASSEMBLY__ .macro config_sdram .endm #endif /* __ASSEMBLY__ */ #endif /* __BOARDS_ARM_SAMA5_SAMA5D4_EK_INCLUDE_BOARD_H */