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333 lines
12 KiB
333 lines
12 KiB
/**************************************************************************** |
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* configs/lpc4330-xplorer/include/board.h |
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* include/arch/board/board.h |
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* |
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* Copyright (C) 2012 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 __ARCH_BOARD_BOARD_H |
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#define __ARCH_BOARD_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 lpc43_cgu.h. It is not included |
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* here because the including C file may not have that file in its include |
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* path. |
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* |
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* The Xplorer board has four crystals on board: |
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* |
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* Y1 - RTC 32.768 MHz oscillator input, |
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* Y2 - 24.576 MHz input to the UDA 1380 audio codec, |
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* Y3 - 12.000 MHz LPC43xx crystal oscillator input |
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* Y4 - 50 MHz input for Ethernet |
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*/ |
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#define BOARD_XTAL_FREQUENCY (12000000) /* XTAL oscillator frequency (Y3) */ |
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#define BOARD_RTCCLK_FREQUENCY (32768) /* RTC oscillator frequency (Y1) */ |
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#define BOARD_INTRCOSC_FREQUENCY (4000000) /* Internal RC oscillator frequency */ |
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/* Integer and direct modes are supported: |
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* |
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* In integer mode (Fclkout < 156000000): |
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* Fclkin = BOARD_XTAL_FREQUENCY |
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* Fclkout = Msel * FClkin / Nsel |
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* Fcco = 2 * Psel * Fclkout |
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* In direct mode (Fclkout > 156000000): |
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* Fclkin = BOARD_XTAL_FREQUENCY |
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* Fclkout = Msel * FClkin / Nsel |
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* Fcco = Fclkout |
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*/ |
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#ifdef CONFIG_LPC43_72MHz |
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/* NOTE: At 72MHz, the calibrated value of CONFIG_BOARD_LOOPSPERMSEC was |
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* determined to be: |
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* |
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* CONFIG_BOARD_LOOPSPERMSEC=7191 |
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* |
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* executing from SRAM. |
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*/ |
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/* Final clocking (Integer mode with no ramp-up) |
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* |
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* Fclkout = 6 * 12MHz / 1 = 72MHz |
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* Fcco = 2 * 2 * 72MHz = 216MHz |
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*/ |
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# define BOARD_PLL_MSEL (6) /* Msel = 6 */ |
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# define BOARD_PLL_NSEL (1) /* Nsel = 1 */ |
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# define BOARD_PLL_PSEL (2) /* Psel = 2 */ |
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# define BOARD_FCLKOUT_FREQUENCY (72000000) /* 6 * 12,000,000 / 1 */ |
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# define BOARD_FCCO_FREQUENCY (244000000) /* 2 * 2 * Fclkout */ |
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#else |
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/* NOTE: At 72MHz, the calibrated value of CONFIG_BOARD_LOOPSPERMSEC was |
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* determined to be: |
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* |
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* CONFIG_BOARD_LOOPSPERMSEC=18535 |
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* |
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* executing from SRAM. |
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*/ |
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/* Intermediate ramp-up clocking (Integer mode). If BOARD_PLL_RAMP_MSEL |
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* is not defined, there will be no ramp-up. |
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* |
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* Fclkout = 9 * 12MHz / 1 = 108MHz |
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* Fcco = 2 * 1 * 108MHz = 216MHz |
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*/ |
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# define BOARD_PLL_RAMP_MSEL (9) /* Msel = 9 */ |
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# define BOARD_PLL_RAMP_NSEL (1) /* Nsel = 1 */ |
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# define BOARD_PLL_RAMP_PSEL (1) /* Psel = 1 */ |
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# define BOARD_RAMP_FCLKOUT (108000000) /* 9 * 12,000,000 / 1 */ |
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# define BOARD_RAMP_FCCO (216000000) /* 2 * 1 * Fclkout */ |
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/* Final clocking (Direct mode). |
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* |
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* Fclkout = 17 * 12MHz / 1 = 204MHz |
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* Fcco = Fclockout = 204MHz |
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*/ |
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# define BOARD_PLL_MSEL (17) /* Msel = 17 */ |
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# define BOARD_PLL_NSEL (1) /* Nsel = 1 */ |
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# define BOARD_FCLKOUT_FREQUENCY (204000000) /* 17 * 12,000,000 / 1 */ |
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# define BOARD_FCCO_FREQUENCY (204000000) /* Fclockout */ |
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#endif |
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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 = (2 * 20 * SYSCLK) / 1 = 480MHz -> PLL0 multipler=20, pre-divider=1 |
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* CCLCK = 480MHz / 6 = 80MHz -> CCLK divider = 6 |
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*/ |
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#define LPC43_CCLK BOARD_FCLKOUT_FREQUENCY |
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/* SPIFI clocking **********************************************************/ |
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/* The SPIFI will receive clocking from a divider per the settings provided |
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* in this file. The NuttX code will configure PLL1 as the input clock |
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* for the selected divider |
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*/ |
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#undef BOARD_SPIFI_PLL1 /* No division */ |
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#undef BOARD_SPIFI_DIVA /* Supports division by 1-4 */ |
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#undef BOARD_SPIFI_DIVB /* Supports division by 1-16 */ |
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#undef BOARD_SPIFI_DIVC /* Supports division by 1-16 */ |
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#undef BOARD_SPIFI_DIVD /* Supports division by 1-16 */ |
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#undef BOARD_SPIFI_DIVE /* Supports division by 1-256 */ |
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#if BOARD_FCLKOUT_FREQUENCY < 20000000 |
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# define BOARD_SPIFI_PLL1 1 /* Use PLL1 directly */ |
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#else |
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# define BOARD_SPIFI_DIVB 1 /* Use IDIVB */ |
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#endif |
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/* We need to configure the divider so that its output is as close to the |
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* desired SCLK value. The peak data transfer rate will be about half of |
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* this frequency in bytes per second. |
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*/ |
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#if BOARD_FCLKOUT_FREQUENCY < 20000000 |
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# define BOARD_SPIFI_FREQUENCY BOARD_FCLKOUT_FREQUENCY /* 72Mhz? */ |
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#else |
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# define BOARD_SPIFI_DIVIDER (14) /* 204MHz / 14 = 14.57MHz */ |
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# define BOARD_SPIFI_FREQUENCY (102000000) /* 204MHz / 14 = 14.57MHz */ |
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#endif |
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/* UART clocking ***********************************************************/ |
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/* Configure all U[S]ARTs to use the XTAL input frequency */ |
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#define BOARD_USART0_CLKSRC BASE_USART0_CLKSEL_XTAL |
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#define BOARD_USART0_BASEFREQ BOARD_XTAL_FREQUENCY |
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#define BOARD_UART1_CLKSRC BASE_UART1_CLKSEL_XTAL |
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#define BOARD_UART1_BASEFREQ BOARD_XTAL_FREQUENCY |
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#define BOARD_USART2_CLKSRC BASE_USART2_CLKSEL_XTAL |
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#define BOARD_USART2_BASEFREQ BOARD_XTAL_FREQUENCY |
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#define BOARD_USART3_CLKSRC BASE_USART3_CLKSEL_XTAL |
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#define BOARD_USART3_BASEFREQ BOARD_XTAL_FREQUENCY |
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/* LED definitions *********************************************************/ |
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/* The LPC4330-Xplorer has 2 user-controllable LEDs labeled D2 an D3 in the |
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* schematic and on but referred to has LED1 and LED2 here, respectively. |
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* |
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* LED1 D2 GPIO1[12] |
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* LED2 D3 GPIO1[11] |
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* |
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* LEDs are pulled high to a low output illuminates the LED. |
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* |
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* LED index values for use with lpc43_setled() |
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*/ |
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#define BOARD_LED1 0 |
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#define BOARD_LED2 1 |
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#define BOARD_NLEDS 2 |
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/* LED bits for use with lpc43_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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/* 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"). If |
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* CONFIG_ARCH_LEDS is not defined, then the LEDs are completely under |
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* control of the application. The following interfaces are then available |
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* for application control of the LEDs: |
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* |
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* void lpc43_ledinit(void); |
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* void lpc43_setled(int led, bool ledon); |
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* void lpc43_setleds(uint8_t ledset); |
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*/ |
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/* ON OFF */ |
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/* LED1 LED2 LED1 LED2 */ |
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#define LED_STARTED 0 /* OFF OFF - - */ |
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#define LED_HEAPALLOCATE 1 /* ON OFF - - */ |
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#define LED_IRQSENABLED 1 /* ON OFF - - */ |
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#define LED_STACKCREATED 1 /* ON OFF - - */ |
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#define LED_INIRQ 2 /* NC ON NC OFF */ |
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#define LED_SIGNAL 2 /* NC ON NC OFF */ |
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#define LED_ASSERTION 2 /* NC ON NC OFF */ |
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#define LED_PANIC 2 /* NC ON NC OFF */ |
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/* UART Pins ****************************************************************/ |
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/* The LPC4330 Xplorer does not have RS-232 drivers or serial connectors on |
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* board. USART0 and UART1 are available on J8 as follows: |
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* |
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* ------ ------ ----------------------- |
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* SIGNAL J8 PIN LPC4330FET100 PIN |
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* (TFBGA100 package) |
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* ------ ------ ----------------------- |
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* U0_TXD pin 9 F6 P6_4 U0_TXD=Alt 2 |
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* U0_RXD pin 10 F9 P6_5 U0_RXD=Alt 2 |
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* U1_TXD pin 13 H8 P1_13 U1_TXD=Alt 1 |
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* U1_RXD pin 14 J8 P1_14 U1_RXD=Alt 1 |
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* ------ ------ ----------------------- |
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* |
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* The following definitions must be provided so that the LPC43 serial |
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* driver can set up the U[S]ART for the serial console properly (see the |
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* file arch/arc/src/lpc43xx/lpc4310203050_pinconf.h for more info). |
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*/ |
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#define PINCONF_U0_TXD PINCONF_U0_TXD_3 |
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#define PINCONF_U0_RXD PINCONF_U0_RXD_3 |
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#define PINCONF_U0_DIR PINCONF_U0_DIR_3 |
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#define PINCONF_U1_TXD PINCONF_U1_TXD_1 |
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#define PINCONF_U1_RXD PINCONF_U1_RXD_1 |
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#define PINCONF_U2_TXD PINCONF_U2_TXD_1 |
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#define PINCONF_U2_RXD PINCONF_U2_RXD_1 |
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#define PINCONF_U2_DIR PINCONF_U2_DIR_1 |
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#define PINCONF_U3_TXD PINCONF_U3_TXD_2 |
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#define PINCONF_U3_RXD PINCONF_U3_RXD_2 |
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#define PINCONF_U3_DIR PINCONF_U3_DIR_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: lpc43_boardinitialize |
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* |
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* Description: |
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* All LPC43xx architectures must provide the following entry point. This entry point |
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* is called early in the intitialization -- after all memory has been configured |
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* and mapped but before any devices have been initialized. |
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* |
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****************************************************************************/ |
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EXTERN void lpc43_boardinitialize(void); |
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/***************************************************************************** |
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* Name: lpc43_ledinit, lpc43_setled, and lpc43_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 |
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* LEDs. If CONFIG_ARCH_LEDS is not defined, then the following interfaces |
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* are available to 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 lpc43_ledinit(void); |
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EXTERN void lpc43_setled(int led, bool ledon); |
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EXTERN void lpc43_setleds(uint8_t ledset); |
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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 /* __ARCH_BOARD_BOARD_H */
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