/************************************************************************************ * configs/sama5d4-ek/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_SAMA5D4_EK_INCLUDE_BOARD_H #define __CONFIGS_SAMA5D4_EK_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_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 /* 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__ */ /************************************************************************************ * 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); #undef EXTERN #if defined(__cplusplus) } #endif #endif /* !__ASSEMBLY__ */ #endif /* __CONFIGS_SAMA5D4_EK_INCLUDE_BOARD_H */