cfcb59351a
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5737 42af7a65-404d-4744-a932-0658087f49c3
425 lines
16 KiB
C
425 lines
16 KiB
C
/************************************************************************************
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* configs/open1788/include/board.h
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* include/arch/board/board.h
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __CONFIG_OPEN1788_INCLUDE_BOARD_H
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#define __CONFIG_OPEN1788_INCLUDE_BOARD_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include <stdbool.h>
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#if defined(CONFIG_ARCH_IRQBUTTONS) && defined(CONFIG_GPIO_IRQ)
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# include <nuttx/irq.h>
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#endif
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/************************************************************************************
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* Definitions
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************************************************************************************/
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/* Clocking *************************************************************************/
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/* NOTE: The following definitions require lpc17_syscon.h. It is not included here
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* because the including C file may not have that file in its include path.
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*/
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#define BOARD_XTAL_FREQUENCY (12000000) /* XTAL oscillator frequency */
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#define BOARD_OSCCLK_FREQUENCY BOARD_XTAL_FREQUENCY /* Main oscillator frequency */
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#define BOARD_RTCCLK_FREQUENCY (32768) /* RTC oscillator frequency */
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#define BOARD_INTRCOSC_FREQUENCY (4000000) /* Internal RC oscillator frequency */
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#define BOARD_WDTOSC_FREQUENCY (500000) /* WDT oscillator frequency */
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/* This is the clock setup we configure for:
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*
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* SYSCLK = BOARD_OSCCLK_FREQUENCY = 12MHz -> Select Main oscillator for source
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* PLL0CLK = (10 * SYSCLK) / 1 = 120MHz -> PLL0 multipler=10, pre-divider=1
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* CCLCK = 120MHz -> CCLK divider = 1
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*/
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#define LPC17_CCLK 120000000 /* 120Mhz */
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#define BOARD_PCLKDIV 2 /* Peripheral clock = LPC17_CCLK/2 */
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#define BOARD_PCLK_FREQUENCY (LPC17_CCLK / BOARD_PCLKDIV)
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/* Select the main oscillator as the frequency source. SYSCLK is then the frequency
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* of the main oscillator.
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*
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* If BOARD_XTAL_FREQUENCY > 15000000, then the SCS OSCRS bit (bit 4) should also
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* be set in the BOARD_SCS_VALUE.
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*/
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#undef CONFIG_LPC17_MAINOSC
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#define CONFIG_LPC17_MAINOSC 1
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#define BOARD_SCS_VALUE SYSCON_SCS_OSCEN
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/* Select the main oscillator and CCLK divider. The output of the divider is CCLK.
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* The input to the divider (PLLCLK) will be determined by the PLL output.
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*/
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#define BOARD_CCLKSEL_DIVIDER 1
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#define BOARD_CCLKSEL_VALUE (BOARD_CCLKSEL_DIVIDER | SYSCON_CCLKSEL_CCLKSEL)
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/* PLL0. PLL0 is used to generate the CPU clock (PLLCLK).
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*
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* Source clock: Main oscillator
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* PLL0 Multiplier value (M): 10
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* PLL0 Pre-divider value (P): 1
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*
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* PLL0CLK = (M * SYSCLK) = 120MHz
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*/
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#undef CONFIG_LPC17_PLL0
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#define CONFIG_LPC17_PLL0 1
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#define BOARD_CLKSRCSEL_VALUE SYSCON_CLKSRCSEL_MAIN
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#define BOARD_PLL0CFG_MSEL 10
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#define BOARD_PLL0CFG_PSEL 1
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#define BOARD_PLL0CFG_VALUE \
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(((BOARD_PLL0CFG_MSEL-1) << SYSCON_PLLCFG_MSEL_SHIFT) | \
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((BOARD_PLL0CFG_PSEL-1) << SYSCON_PLLCFG_PSEL_SHIFT))
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/* PLL1 : PLL1 is used to generate clock for the USB */
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#undef CONFIG_LPC17_PLL1
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//~ #define CONFIG_LPC17_PLL1 1
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#define BOARD_PLL1CFG_MSEL 4
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#define BOARD_PLL1CFG_PSEL 2
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#define BOARD_PLL1CFG_VALUE \
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(((BOARD_PLL1CFG_MSEL-1) << SYSCON_PLLCFG_MSEL_SHIFT) | \
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((BOARD_PLL1CFG_PSEL-1) << SYSCON_PLLCFG_PSEL_SHIFT))
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#if defined(CONFIG_LPC17_USBHOST) || (CONFIG_LPC17_USBDEV)
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/* USB divider. The output of the PLL is used as the USB clock
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*
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* USBCLK = PLL1CLK = (SYSCLK * 4) = 48MHz
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*/
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#define BOARD_USBCLKSEL_VALUE (SYSCON_USBCLKSEL_USBDIV_DIV1 | \
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SYSCON_USBCLKSEL_USBSEL_PLL1)
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#endif
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/* FLASH Configuration */
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#undef CONFIG_LPC17_FLASH
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#define CONFIG_LPC17_FLASH 1
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/* Flash access use 6 CPU clocks - Safe for any allowed conditions */
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#define BOARD_FLASHCFG_VALUE (SYSCON_FLASHCFG_TIM_5 | 0x03a)
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/* Ethernet configuration */
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#define ETH_MCFG_CLKSEL_DIV ETH_MCFG_CLKSEL_DIV20
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/* SDIO dividers. Note that slower clocking is required when DMA is disabled
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* in order to avoid RX overrun/TX underrun errors due to delayed responses
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* to service FIFOs in interrupt driven mode.
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* SDCARD_CLOCK=PCLK/(2*(SDCARD_CLKDIV+1))
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*/
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#define SDCARD_CLKDIV_INIT 74 /* 400Khz */
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#define SDCARD_INIT_CLKDIV (SDCARD_CLKDIV_INIT+1)
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#define SDCARD_NORMAL_CLKDIV 1 /* DMA ON: SDCARD_CLOCK=15MHz */
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#define SDCARD_SLOW_CLKDIV 2 /* DMA OFF: SDCARD_CLOCK=10MHz */
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#ifdef CONFIG_SDIO_DMA
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# define SDCARD_MMCXFR_CLKDIV (SDCARD_NORMAL_CLKDIV+1)
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#else
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# define SDCARD_MMCXFR_CLKDIV (SDCARD_SLOW_CLKDIV+1)
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#endif
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#ifdef CONFIG_SDIO_DMA
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# define SDCARD_SDXFR_CLKDIV (SDCARD_NORMAL_CLKDIV+1)
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#else
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# define SDCARD_SDXFR_CLKDIV (SDCARD_SLOW_CLKDIV+1)
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#endif
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/* Set EMC delay values:
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*
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* CMDDLY: Programmable delay value for EMC outputs in command delayed
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* mode. The delay amount is roughly CMDDLY * 250 picoseconds.
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* FBCLKDLY: Programmable delay value for the feedback clock that controls
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* input data sampling. The delay amount is roughly (FBCLKDLY+1) * 250
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* picoseconds.
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* CLKOUT0DLY: Programmable delay value for the CLKOUT0 output. This would
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* typically be used in clock delayed mode. The delay amount is roughly
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* (CLKOUT0DLY+1) * 250 picoseconds.
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* CLKOUT1DLY: Programmable delay value for the CLKOUT1 output. This would
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* typically be used in clock delayed mode. The delay amount is roughly
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* (CLKOUT1DLY+1) * 250 picoseconds.
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*
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* Optimal for NOR: {1,1,1,1}
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* Needed for NAND and SDRAM: {17,1,2,1}
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*/
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#if defined(CONFIG_LPC17_EMC_NAND) || defined(CONFIG_LPC17_EMC_SDRAM)
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# define BOARD_CMDDLY 17
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# define BOARD_FBCLKDLY 17
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# define BOARD_CLKOUT0DLY 1
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# define BOARD_CLKOUT1DLY 1
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#else
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# define BOARD_CMDDLY 1
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# define BOARD_FBCLKDLY 1
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# define BOARD_CLKOUT0DLY 1
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# define BOARD_CLKOUT1DLY 1
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#endif
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/* LED definitions ******************************************************************/
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/* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in
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* any way. The following definitions are used to access individual LEDs.
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*
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* LED1 -- Connected to P1[14]
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* LED2 -- Connected to P0[16]
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* LED3 -- Connected to P1[13]
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* LED4 -- Connected to P4[27]
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*
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* These LEDs are connecte to ground so a high output value will illuminate them.
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*/
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/* LED index values for use with lpc17_setled() */
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#define BOARD_LED1 0
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#define BOARD_LED2 1
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#define BOARD_LED3 2
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#define BOARD_LED4 3
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#define BOARD_NLEDS 4
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/* LED bits for use with lpc17_setleds() */
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#define BOARD_LED1_BIT (1 << BOARD_LED1)
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#define BOARD_LED2_BIT (1 << BOARD_LED2)
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#define BOARD_LED3_BIT (1 << BOARD_LED3)
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#define BOARD_LED4_BIT (1 << BOARD_LED4)
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/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the four LEDs
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* on the WaveShare Open1788K. The following definitions describe how NuttX
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* controls the LEDs:
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*/
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/* LED1 LED2 LED3 LED4 */
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#define LED_STARTED 0 /* OFF OFF OFF OFF */
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#define LED_HEAPALLOCATE 1 /* ON OFF OFF OFF */
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#define LED_IRQSENABLED 2 /* OFF ON OFF OFF */
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#define LED_STACKCREATED 3 /* ON ON OFF OFF */
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#define LED_INIRQ 4 /* LED3 glows, on while in interupt */
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#define LED_SIGNAL 4 /* LED3 glows, on while in signal handler */
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#define LED_ASSERTION 4 /* LED3 glows, on while in assertion */
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#define LED_PANIC 4 /* LED3 Flashes at 2Hz */
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#define LED_IDLE 5 /* LED4 glows, ON while sleeping */
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/* Button definitions ***************************************************************/
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/* The Open1788 supports several buttons. All will read "1" when open and "0"
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* when closed
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*
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* USER1 -- Connected to P4[26]
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* USER2 -- Connected to P2[22]
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* USER3 -- Connected to P0[10]
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*
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* And a Joystick
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*
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* JOY_A -- Connected to P2[25]
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* JOY_B -- Connected to P2[26]
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* JOY_C -- Connected to P2[23]
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* JOY_D -- Connected to P2[19]
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* JOY_CTR -- Connected to P0[14]
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*
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* The switches are all connected to ground and should be pulled up and sensed
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* with a value of '0' when closed.
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*/
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#define BOARD_BUTTON_USER1 0
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#define BOARD_BUTTON_USER2 1
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#define BOARD_BUTTON_USER3 2
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#define BOARD_JOYSTICK_A 3
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#define BOARD_JOYSTICK_B 4
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#define BOARD_JOYSTICK_C 5
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#define BOARD_JOYSTICK_D 6
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#define BOARD_JOYSTICK_CTR 7
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#define BOARD_NUM_BUTTONS 8
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#define BOARD_BUTTON_USER1_BIT (1 << BOARD_BUTTON_USER1)
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#define BOARD_BUTTON_USER2_BIT (1 << BOARD_BUTTON_USER2)
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#define BOARD_BUTTON_USER3_BIT (1 << BOARD_BUTTON_USER3)
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#define BOARD_JOYSTICK_A_BIT (1 << BOARD_JOYSTICK_A)
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#define BOARD_JOYSTICK_B_BIT (1 << BOARD_JOYSTICK_B)
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#define BOARD_JOYSTICK_C_BIT (1 << BOARD_JOYSTICK_C)
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#define BOARD_JOYSTICK_D_BIT (1 << BOARD_JOYSTICK_D)
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#define BOARD_JOYSTICK_CTR_BIT (1 << BOARD_JOYSTICK_CTR)
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/* Alternate pin selections *********************************************************/
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/* UART0:
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*
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* TX --- Connected to P0[2]
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* RX --- Connected to P0[3]
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*/
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#define GPIO_UART0_TXD GPIO_UART0_TXD_2
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#define GPIO_UART0_RXD GPIO_UART0_RXD_2
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/* MCI-SDIO:
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*
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* D0 --- Connected to P1[6]
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* D1 --- Connected to P2[11]
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* D2 --- Connected to P2[12]
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* D3 --- Connected to P2[13]
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* CLK--- Connected to P1[2]
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* CMD--- Connected to P1[3]
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*/
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#define GPIO_SD_DAT0 GPIO_SD_DAT0_2
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#define GPIO_SD_DAT1 GPIO_SD_DAT1_2
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#define GPIO_SD_DAT2 GPIO_SD_DAT2_2
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#define GPIO_SD_DAT3 GPIO_SD_DAT3_2
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#define GPIO_SD_CLK GPIO_SD_CLK_2
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#define GPIO_SD_CMD GPIO_SD_CMD_2
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/************************************************************************************
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* Public Types
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************************************************************************************/
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#ifndef __ASSEMBLY__
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/************************************************************************************
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* Public Data
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************************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/************************************************************************************
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* Public Function Prototypes
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************************************************************************************/
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/************************************************************************************
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* Name: lpc17_boardinitialize
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*
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* Description:
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* All LPC17xx architectures must provide the following entry point. This entry
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* point is called early in the intitialization -- after all memory has been
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* configured and mapped but before any devices have been initialized.
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*
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************************************************************************************/
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EXTERN void lpc17_boardinitialize(void);
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/************************************************************************************
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* Name: lpc17_ledinit, lpc17_setled, and lpc17_setleds
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*
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* Description:
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* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board LEDs. If
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* CONFIG_ARCH_LEDS is not defined, then the following interfacesare available to
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* control the LEDs from user applications.
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*
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************************************************************************************/
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#ifndef CONFIG_ARCH_LEDS
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EXTERN void lpc17_ledinit(void);
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EXTERN void lpc17_setled(int led, bool ledon);
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EXTERN void lpc17_setleds(uint8_t ledset);
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#endif
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/************************************************************************************
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* Name: up_buttoninit
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*
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* Description:
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* up_buttoninit() must be called to initialize button resources. After that,
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* up_buttons() may be called to collect the current state of all buttons or
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* up_irqbutton() may be called to register button interrupt handlers.
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*
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************************************************************************************/
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#ifdef CONFIG_ARCH_BUTTONS
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EXTERN void up_buttoninit(void);
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/************************************************************************************
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* Name: up_buttons
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*
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* Description:
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* up_buttoninit() must be called to initialize button resources. After that,
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* up_buttons() may be called to collect the current state of all buttons.
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*
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* After up_buttoninit() has been called, up_buttons() may be called to collect
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* the state of all buttons. up_buttons() returns an 8-bit bit set with each bit
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* associated with a button. See the BOARD_BUTTON_*_BIT and BOARD_JOYSTICK_*_BIT
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* definitions above for the meaning of each bit.
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*
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************************************************************************************/
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EXTERN uint8_t up_buttons(void);
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/************************************************************************************
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* Button support.
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*
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* Description:
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* up_buttoninit() must be called to initialize button resources. After that,
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* up_irqbutton() may be called to register button interrupt handlers.
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*
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* up_irqbutton() may be called to register an interrupt handler that will be called
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* when a button is depressed or released. The ID value is a button enumeration
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* value that uniquely identifies a button resource. See the BOARD_BUTTON_* and
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* BOARD_JOYSTICK_* definitions in above for the meaning of enumeration values
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* The previous interrupt handler address is returned (so that it may restored, if
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* so desired).
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*
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* Note that up_irqbutton() also enables button interrupts. Button interrupts
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* will remain enabled after the interrupt handler is attached. Interrupts may
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* be disabled (and detached) by calling up_irqbutton with irqhandler equal to
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* NULL.
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*
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************************************************************************************/
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#if defined(CONFIG_ARCH_IRQBUTTONS) && defined(CONFIG_GPIO_IRQ)
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EXTERN xcpt_t up_irqbutton(int id, xcpt_t irqhandler);
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#endif
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#endif /* CONFIG_ARCH_BUTTONS */
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __CONFIG_OPEN1788_INCLUDE_BOARD_H */
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