01f6a8a146
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2352 42af7a65-404d-4744-a932-0658087f49c3
186 lines
6.5 KiB
C
186 lines
6.5 KiB
C
/****************************************************************************
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* configs/olimex-strp711/include/board.h
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*
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* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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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/****************************************************************************
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* Features:
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*
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* - MCU: STR711FR2T6 16/32 bit ARM7TDMI™ with 256K Bytes Program Flash,
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* 64K Bytes RAM, USB 2.0, RTC, 12 bit ADC, 4x UARTs, 2x I2C,2x SPI,
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* 5x 32bit TIMERS, 2x PWM, 2x CCR, WDT, up to 50MHz operation
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* - Standard JTAG connector with ARM 2x10 pin layout for programming/debugging
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* with ARM-JTAG
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* - USB connector
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* - Two channel RS232 interface and drivers
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* - SD/MMC card connector
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* - Two buttons
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* - Trimpot connected to ADC
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* - Two status LEDs
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* - Buzzer
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* - UEXT - 10 pin extension connector for Olimex addon peripherials like MP3,
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* RF2.4Ghz, RFID etc. modules
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* - 2x SPI connectors
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* - I2C connector
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* - On board voltage regulator 3.3V with up to 800mA current
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* - Single power supply: 6V AC or DC required, USB port can power the board
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* - Power supply LED
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* - Power supply filtering capacitor
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* - RESET circuit
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* - RESET button
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* - 4 Mhz crystal oscillator
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* - 32768 Hz crystal and RTC
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*
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****************************************************************************/
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#ifndef _CONFIGS_OLIMEX_STRP711_BOARD_H
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#define _CONFIGS_OLIMEX_STRP711_BOARD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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#include "chip.h"
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* Clocking *****************************************************************/
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/* Main Oscillator Frequency = 4MHz */
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#define STR71X_RCCU_MAIN_OSC (4000000)
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/* RTC Oscillator Frequency = 32,768 Hz */
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#define STR71X_RCCU_RTC_OSC (32768)
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/* HCLK driving PLL2 */
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#define STR71X_PCU_HCLK_OSC (4000000) /* ? */
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/* PLL1 Setup:
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*
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* PLL1 input clock: CLK2 = Main OSC = 4MHz
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* PLL1 output clock: PLL1OUT = 16 * CLK2 / 2 = 32MHz
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* PLL1 output: CLK3 = PLL1OUT = 32MHz (hard coded selection)
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* RCLK = CLK3 = 32MHz (hard coded selection)
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* APB1 peripheral clock: PCLK1 = RCLK = 32MHz
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* APB2 peripheral clock: PCLK2 = RCLK = 32MHz
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* Main system clock: MCLK = RCLK = 32MHz
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*/
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#undef STR71X_PLL1IN_DIV2 /* Don't divide main OSC by two */
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#define STR71X_PLL1OUT_MUL 16 /* PLL1OUT = 16 * CLK2 */
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#define STR71X_PLL1OUT_DIV 2 /* PLL1OUT = CLK2 / 2 */
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#define STR71X_APB1_DIV 1 /* PCLK1 = RCLK */
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#define STR71X_APB2_DIV 1 /* PCLK2 = RCLK */
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#define STR71X_MCLK_DIV 1 /* MCLK = RCLK */
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/* PLL2 Setup -- only needed for HDLC or USB
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*
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* USB input: USB clock
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* HCLK = 4MHz?
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* USB clock = 12 * HCLK / 1 = 48 MHz
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*/
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#undef STR71X_USBIN_PLL2 /* USB input is USB clock */
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#define STR71X_PLL2OUT_MUL 12 /* PLL2OUT = 12 * HCLK */
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#define STR71X_PLL2OUT_DIV 1 /* PLL2OUT = HCLK / 1 */
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/* LED definitions **********************************************************/
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/* The Olimex board has only two LEDs, so following states are faked as
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* follows
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*
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* SET CLEAR
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* LED_STARTED (none) (n/a)
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* LED_HEAPALLOCATE LED1 (n/a)
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* LED_IRQSENABLED LED1 (n/a)
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* LED_STACKCREATED LED1 (n/a)
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* LED_INIRQ LED1+LED2 LED1
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* LED_SIGNAL LED1+LED2 LED1
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* LED_ASSERTION LED1+LED2 LED1
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* LED_PANIC LED1+LED2* LED1
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*
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* *The previous state of LED2 will be retained
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*/
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#define LED_STARTED 0
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#define LED_HEAPALLOCATE 1
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#define LED_IRQSENABLED 2
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#define LED_STACKCREATED 3
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#define LED_INIRQ 4
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#define LED_SIGNAL 5
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#define LED_ASSERTION 6
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#define LED_PANIC 7
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/* Button definitions *******************************************************/
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/* The Olimex board has two buttons, one labled "BUT" and the other "WAKEUP" */
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#define BUT_BUTTON 1 /* Bit 0: BUT button is depressed */
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#define WAKEUP_BUTTON 2 /* Bit 1: WAKEUP button is depressed */
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef __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 Functions
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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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EXTERN uint8_t up_buttons(void);
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif /* _CONFIGS_OLIMEX_STRP711_BOARD_H */
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