diff options
Diffstat (limited to 'nuttx/configs/twr-k60n512')
-rwxr-xr-x | nuttx/configs/twr-k60n512/include/board.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/nuttx/configs/twr-k60n512/include/board.h b/nuttx/configs/twr-k60n512/include/board.h new file mode 100755 index 000000000..3cad12ac4 --- /dev/null +++ b/nuttx/configs/twr-k60n512/include/board.h @@ -0,0 +1,168 @@ +/************************************************************************************ + * configs/twr-k60n512/include/board.h + * include/arch/board/board.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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 __ARCH_BOARD_BOARD_H +#define __ARCH_BOARD_BOARD_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <nuttx/config.h> +#ifndef __ASSEMBLY__ +# include <stdint.h> +#endif + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/* Clocking *************************************************************************/ +/* The K60 tower board uses a 50MHz external clock */ + +#define BOARD_EXTCLOCK 1 /* External clock */ +#define BOARD_EXTAL_FREQ 50000000 /* 50MHz Oscillator */ +#define BOARD_XTAL32_FREQ 32768 /* 32KHz RTC Oscillator */ + +/* PLL Configuration. Either the external clock or crystal frequency is used to + * select the PRDIV value. Only reference clock frequencies are supported that will + * produce a 2MHz reference clock to the PLL. + * + * PLL Input frequency: PLLIN = REFCLK/PRDIV = 50MHz/25 = 2MHz + * PLL Output frequency: PLLOUT = PLLIN*VDIV = 2Mhz*48 = 96MHz + * MCG Frequency: PLLOUT = 96MHz + */ + +#define BOARD_PRDIV 25 /* PLL External Reference Divider */ +#define BOARD_VDIV 48 /* PLL VCO Divider (frequency multiplier) */ + +#define BOARD_PLLIN_FREQ (BOARD_EXTAL_FREQ / BOARD_PRDIV) +#define BOARD_PLLOUT_FREQ (BOARD_EXTAL_FREQ * BOARD_VDIV) +#define BOARD_MCG_FREQ BOARD_PLL_FREQ + +/* SIM CLKDIV1 dividers */ + +#define BOARD_OUTDIV1 1 /* Core = MCG, 96MHz */ +#define BOARD_OUTDIV2 2 /* Bus = MCG/2, 48MHz */ +#define BOARD_OUTDIV3 2 /* FlexBus = MCG/2, 48MHz */ +#define BOARD_OUTDIV4 4 /* Flash clock = MCG/4, 24MHz */ + +#define BOARD_CORECLK_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV1) +#define BOARD_BUS_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV2) +#define BOARD_FLEXBUS_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV3) +#define BOARD_FLASHCLK_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV4) + +/* LED definitions ******************************************************************/ + +#define LED_STARTED 0 +#define LED_HEAPALLOCATE 1 +#define LED_IRQSENABLED 2 +#define LED_STACKCREATED 3 +#define LED_INIRQ 4 +#define LED_SIGNAL 5 +#define LED_ASSERTION 6 +#define LED_PANIC 7 + +/* Button definitions ***************************************************************/ + + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +#ifndef __ASSEMBLY__ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/************************************************************************************ + * Public Function Prototypes + ************************************************************************************/ +/************************************************************************************ + * Name: kinetis_boardinitialize + * + * Description: + * All STM32 architectures must provide the following entry point. This entry point + * is called early in the intitialization -- after all memory has been configured + * and mapped but before any devices have been initialized. + * + ************************************************************************************/ + +EXTERN void kinetis_boardinitialize(void); + +/************************************************************************************ + * Button support. + * + * Description: + * up_buttoninit() must be called to initialize button resources. After + * that, up_buttons() may be called to collect the current state of all + * buttons or up_irqbutton() may be called to register button interrupt + * handlers. + * + * After up_buttoninit() has been called, up_buttons() may be called to + * collect the state of all buttons. up_buttons() returns an 8-bit bit set + * with each bit associated with a button. See the BUTTON_*_BIT and JOYSTICK_*_BIT + * definitions in board.h for the meaning of each bit. + * + * up_irqbutton() may be called to register an interrupt handler that will + * be called when a button is depressed or released. The ID value is a + * button enumeration value that uniquely identifies a button resource. See the + * BUTTON_* and JOYSTICK_* definitions in board.h for the meaning of enumeration + * value. The previous interrupt handler address is returned (so that it may + * restored, if so desired). + * + ************************************************************************************/ + +#ifdef CONFIG_ARCH_BUTTONS +EXTERN void up_buttoninit(void); +EXTERN uint8_t up_buttons(void); +#ifdef CONFIG_ARCH_IRQBUTTONS +EXTERN xcpt_t up_irqbutton(int id, xcpt_t irqhandler); +#endif +#endif + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __ARCH_BOARD_BOARD_H */ |