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/************************************************************************************
* configs/sama5d4-ek/include/board.h
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 <nuttx/config.h>
#include <nuttx/irq.h>
/************************************************************************************
* 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 in the on-board 12MHz crystal.
*/
# include <arch/board/board_sdram.h>
#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 <arch/board/board_384mhz.h>
#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 <arch/board/board_528mhz.h>
#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 <arch/board/board_396mhz.h>
#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 sam_setled() */
#define BOARD_USER 0
#define BOARD_POWER 1
#define BOARD_NLEDS 2
/* LED bits for use with sam_setleds() */
#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);
/************************************************************************************
* Name: sam_phyirq
*
* Description:
* This function may be called to register an interrupt handler that will be
* called when an interrupt is received from a PHY.
*
************************************************************************************/
#if defined(CONFIG_NET) && (defined(CONFIG_SAMA5_EMACB) || defined(CONFIG_SAMA5_GMAC)) && \
defined(CONFIG_SAMA5_PIOE_IRQ)
xcpt_t sam_phyirq(int intf, xcpt_t irqhandler);
#endif
/************************************************************************************
* 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_SAMA5D4_EK_INCLUDE_BOARD_H */
|