212 lines
7.3 KiB
C
212 lines
7.3 KiB
C
/****************************************************************************
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* boards/arm/lpc17xx_40xx/lincoln60/include/board.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_LPC17XX_40XX_LINCOLN60_INCLUDE_BOARD_H
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#define __BOARDS_ARM_LPC17XX_40XX_LINCOLN60_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_LPC17_40_GPIOIRQ)
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# include <nuttx/irq.h>
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#endif
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Clocking *****************************************************************/
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/* NOTE: The following definitions require lpc17_40_syscon.h.
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* It is not included here because the including C file may not have that
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* 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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/* This is the clock setup we configure for:
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*
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* SYSCLK = BOARD_OSCCLK_FREQUENCY = 12MHz -> Main oscillator for source
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* PLL0CLK = (2 * 20 * SYSCLK) / 1 = 480MHz -> multipler=20, pre-divider=1
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* CCLCK = 480MHz / 6 = 80MHz -> divider = 6
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*/
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#define LPC17_40_CCLK 80000000 /* 80Mhz*/
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/* Select the main oscillator as the frequency source. SYSCLK is then the
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* frequency of the main oscillator.
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*/
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#undef CONFIG_LPC17_40_MAINOSC
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#define CONFIG_LPC17_40_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
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* CCLK. The input to the divider (PLLCLK) will be determined by the PLL
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* output.
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*/
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#define BOARD_CCLKCFG_DIVIDER 6
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#define BOARD_CCLKCFG_VALUE ((BOARD_CCLKCFG_DIVIDER-1) << SYSCON_CCLKCFG_SHIFT)
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/* PLL0. PLL0 is used to generate the CPU clock divider input (PLLCLK).
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*
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* Source clock: Main oscillator
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* PLL0 Multiplier value (M): 20
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* PLL0 Pre-divider value (N): 1
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*
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* PLL0CLK = (2 * 20 * SYSCLK) / 1 = 480MHz
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*/
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#undef CONFIG_LPC17_40_PLL0
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#define CONFIG_LPC17_40_PLL0 1
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#define BOARD_CLKSRCSEL_VALUE SYSCON_CLKSRCSEL_MAIN
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#define BOARD_PLL0CFG_MSEL 20
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#define BOARD_PLL0CFG_NSEL 1
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#define BOARD_PLL0CFG_VALUE \
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(((BOARD_PLL0CFG_MSEL-1) << SYSCON_PLL0CFG_MSEL_SHIFT) | \
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((BOARD_PLL0CFG_NSEL-1) << SYSCON_PLL0CFG_NSEL_SHIFT))
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/* PLL1 -- Not used. */
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#undef CONFIG_LPC17_40_PLL1
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#define BOARD_PLL1CFG_MSEL 36
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#define BOARD_PLL1CFG_NSEL 1
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#define BOARD_PLL1CFG_VALUE \
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(((BOARD_PLL1CFG_MSEL-1) << SYSCON_PLL1CFG_MSEL_SHIFT) | \
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((BOARD_PLL1CFG_NSEL-1) << SYSCON_PLL1CFG_NSEL_SHIFT))
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/* USB divider. This divider is used when PLL1 is not enabled to get the
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* USB clock from PLL0:
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*
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* USBCLK = PLL0CLK / 10 = 48MHz
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*/
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#define BOARD_USBCLKCFG_VALUE SYSCON_USBCLKCFG_DIV10
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/* FLASH Configuration */
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#undef CONFIG_LPC17_40_FLASH
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#define CONFIG_LPC17_40_FLASH 1
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#define BOARD_FLASHCFG_VALUE 0x0000303a
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/* Ethernet configuration */
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#define ETH_MCFG_CLKSEL_DIV ETH_MCFG_CLKSEL_DIV20
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/* Clocking *****************************************************************/
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/* The Lincoln 60 has 2 LEDs along the bottom of the board. Green or off.
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* If CONFIG_ARCH_LEDS is defined, the LEDs will be controlled as follows
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* for NuttX debug functionality (where NC means "No Change").
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*
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* During the boot phases. LED1 and LED2 will show boot status.
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*/
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/* LED1 LED2 */
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#define LED_STARTED 0 /* OFF OFF */
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#define LED_HEAPALLOCATE 1 /* GREEN OFF */
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#define LED_IRQSENABLED 2 /* OFF GREEN */
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#define LED_STACKCREATED 3 /* OFF OFF */
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/* After the system is booted, this logic will no longer use LEDs 1 & 2.
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* They are available for use the application software using lpc17_40_led
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* (prototyped below)
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*/
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/* LED1 LED2 LED3 LED4 */
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#define LED_INIRQ 4 /* NC NC NC ON (momentary) */
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#define LED_SIGNAL 5 /* NC NC NC ON (momentary) */
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#define LED_ASSERTION 6 /* NC NC NC ON (momentary) */
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#define LED_PANIC 7 /* NC NC NC ON (1Hz flashing) */
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#define GPIO_SSP0_SCK GPIO_SSP0_SCK_1
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#define GPIO_SSP0_SSEL GPIO_SSP0_SSEL_1
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#define GPIO_SSP0_MISO GPIO_SSP0_MISO_1
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#define GPIO_SSP0_MOSI GPIO_SSP0_MOSI_1
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/* We need to redefine USB_PWRD as GPIO to get USB Host working
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* Also remember to add 2 resistors of 15K to D+ and D- pins.
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*/
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#ifdef CONFIG_USBHOST
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# ifdef GPIO_USB_PWRD
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# undef GPIO_USB_PWRD
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# define GPIO_USB_PWRD (GPIO_INPUT | GPIO_PORT1 | GPIO_PIN22)
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# endif
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#endif
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/* Ethernet PHY */
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#define GPIO_ENET_MDC GPIO_ENET_MDC_1
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#define GPIO_ENET_MDIO GPIO_ENET_MDIO_1
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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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{
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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_40_led
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*
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* Description:
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* Once the system has booted, these functions can be used to control
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* LEDs 1 & 2
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*
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****************************************************************************/
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#ifdef CONFIG_ARCH_LEDS
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void lpc17_40_led(int lednum, int state);
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#endif
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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 /* __BOARDS_ARM_LPC17XX_40XX_LINCOLN60_INCLUDE_BOARD_H */
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