/************************************************************************************ * configs/stm3210e-eval/include/board.h * include/arch/board/board.h * * Copyright (C) 2009 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #ifndef __ASSEMBLY__ # include #endif #include "stm32_rcc.h" #include "stm32_sdio.h" #include "stm32.h" /************************************************************************************ * Definitions ************************************************************************************/ /* Clocking *************************************************************************/ /* On-board crystal frequency is 8MHz (HSE) */ #define STM32_BOARD_XTAL 8000000ul /* PLL source is HSE/1, PLL multipler is 9: PLL frequency is 8MHz (XTAL) x 9 = 72MHz */ #define STM32_CFGR_PLLSRC RCC_CFGR_PLLSRC #define STM32_CFGR_PLLXTPRE 0 #define STM32_CFGR_PLLMUL RCC_CFGR_PLLMUL_CLKx9 #define STM32_PLL_FREQUENCY (9*STM32_BOARD_XTAL) /* Use the PLL and set the SYSCLK source to be the PLL */ #define STM32_SYSCLK_SW RCC_CFGR_SW_PLL #define STM32_SYSCLK_SWS RCC_CFGR_SWS_PLL #define STM32_SYSCLK_FREQUENCY STM32_PLL_FREQUENCY /* AHB clock (HCLK) is SYSCLK (72MHz) */ #define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK #define STM32_HCLK_FREQUENCY STM32_PLL_FREQUENCY #define STM32_BOARD_HCLK STM32_HCLK_FREQUENCY /* same as above, to satisfy compiler */ /* APB2 clock (PCLK2) is HCLK (72MHz) */ #define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK #define STM32_PCLK2_FREQUENCY STM32_HCLK_FREQUENCY #define STM32_APB2_CLKIN (STM32_PCLK2_FREQUENCY) /* Timers 2-7, 12-14 */ /* APB2 timers 1 and 8 will receive PCLK2. */ #define STM32_APB2_TIM1_CLKIN (STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM8_CLKIN (STM32_PCLK2_FREQUENCY) /* APB1 clock (PCLK1) is HCLK/2 (36MHz) */ #define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd2 #define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/2) /* APB1 timers 2-4 will be twice PCLK1 (I presume the remaining will receive PCLK1) */ #define STM32_APB1_TIM2_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM3_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM4_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM5_CLKIN (STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM6_CLKIN (STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM7_CLKIN (STM32_PCLK1_FREQUENCY) /* USB divider -- Divide PLL clock by 1.5 */ #define STM32_CFGR_USBPRE 0 /* Timer Frequencies, if APBx is set to 1, frequency is same to APBx * otherwise frequency is 2xAPBx. * Note: TIM1,8 are on APB2, others on APB1 */ #define STM32_TIM18_FREQUENCY STM32_HCLK_FREQUENCY #define STM32_TIM27_FREQUENCY STM32_HCLK_FREQUENCY /* SDIO dividers. Note that slower clocking is required when DMA is disabled * in order to avoid RX overrun/TX underrun errors due to delayed responses * to service FIFOs in interrupt driven mode. These values have not been * tuned!!! * * HCLK=72MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(178+2)=400 KHz */ #define SDIO_INIT_CLKDIV (178 << SDIO_CLKCR_CLKDIV_SHIFT) /* DMA ON: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(2+2)=18 MHz * DMA OFF: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(3+2)=14.4 MHz */ #ifdef CONFIG_SDIO_DMA # define SDIO_MMCXFR_CLKDIV (2 << SDIO_CLKCR_CLKDIV_SHIFT) #else # define SDIO_MMCXFR_CLKDIV (3 << SDIO_CLKCR_CLKDIV_SHIFT) #endif /* DMA ON: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(1+2)=24 MHz * DMA OFF: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(3+2)=14.4 MHz */ #ifdef CONFIG_SDIO_DMA # define SDIO_SDXFR_CLKDIV (1 << SDIO_CLKCR_CLKDIV_SHIFT) #else # define SDIO_SDXFR_CLKDIV (3 << SDIO_CLKCR_CLKDIV_SHIFT) #endif /* SRAM definitions *****************************************************************/ /* The 8 Mbit SRAM is provided on the PT3 board using the FSMC_NE3 chip select. */ /* This is the Bank1 SRAM3 address: */ #define BOARD_SRAM_BASE 0x68000000 /* Bank2 SRAM3 base address */ #define BOARD_SRAM_SIZE (1*1024*1024) /* 8-Mbit = 1-Mbyte */ /* LED definitions ******************************************************************/ /* The STM3210E-EVAL board has 4 LEDs that we will encode as: */ #define LED_STARTED 0 /* LED1 */ #define LED_HEAPALLOCATE 1 /* LED2 */ #define LED_IRQSENABLED 2 /* LED1 + LED2 */ #define LED_STACKCREATED 3 /* LED3 */ #define LED_INIRQ 4 /* LED1 + LED3 */ #define LED_SIGNAL 5 /* LED2 + LED3 */ #define LED_ASSERTION 6 /* LED1 + LED2 + LED3 */ #define LED_PANIC 7 /* N/C + N/C + N/C + LED4 */ /* The STM3210E-EVAL supports several buttons * * Reset -- Connected to NRST * Wakeup -- Connected to PA.0 * Tamper -- Connected to PC.13 * Key -- Connected to PG.8 * * And a Joystick * * Joystick center -- Connected to PG.7 * Joystick down -- Connected to PD.3 * Joystick left -- Connected to PG.14 * Joystick right -- Connected to PG.13 * Joystick up -- Connected to PG.15 * * The Joystick is treated like the other buttons unless CONFIG_DJOYSTICK * is defined, then it is assumed that they should be used by the discrete * joystick driver. */ #define BUTTON_WAKEUP 0 #define BUTTON_TAMPER 1 #define BUTTON_KEY 2 #ifdef CONFIG_DJOYSTICK # define NUM_BUTTONS 3 #else # define JOYSTICK_SEL 3 # define JOYSTICK_DOWN 4 # define JOYSTICK_LEFT 5 # define JOYSTICK_RIGHT 6 # define JOYSTICK_UP 7 # define NUM_BUTTONS 8 #endif #define BUTTON_WAKEUP_BIT (1 << BUTTON_WAKEUP) #define BUTTON_TAMPER_BIT (1 << BUTTON_TAMPER) #define BUTTON_KEY_BIT (1 << BUTTON_KEY) #ifdef CONFIG_DJOYSTICK # define JOYSTICK_SEL_BIT (1 << JOYSTICK_SEL) # define JOYSTICK_DOWN_BIT (1 << JOYSTICK_DOWN) # define JOYSTICK_LEFT_BIT (1 << JOYSTICK_LEFT) # define JOYSTICK_RIGHT_BIT (1 << JOYSTICK_RIGHT) # define JOYSTICK_UP_BIT (1 << JOYSTICK_UP) #endif /************************************************************************************ * Public Data ************************************************************************************/ #ifndef __ASSEMBLY__ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /************************************************************************************ * Public Function Prototypes ************************************************************************************/ /************************************************************************************ * Name: stm32_boardinitialize * * Description: * All STM32 architectures must provide the following entry point. This entry point * is called early in the initialization -- after all memory has been configured * and mapped but before any devices have been initialized. * ************************************************************************************/ void stm32_boardinitialize(void); /************************************************************************************ * Name: stm3210e_lcdclear * * Description: * This is a non-standard LCD interface just for the STM3210E-EVAL board. Because * of the various rotations, clearing the display in the normal way by writing a * sequences of runs that covers the entire display can be very slow. Here the * dispaly is cleared by simply setting all GRAM memory to the specified color. * ************************************************************************************/ #ifdef CONFIG_STM32_FSMC void stm3210e_lcdclear(uint16_t color); #endif /************************************************************************************ * Name: stm32_lm75initialize * * Description: * Initialize and register the LM-75 Temperature Sensor driver. * * Input parameters: * devpath - The full path to the driver to register. E.g., "/dev/temp0" * * Returned Value: * Zero (OK) on success; a negated errno value on failure. * ************************************************************************************/ #if defined(CONFIG_I2C) && defined(CONFIG_I2C_LM75) && defined(CONFIG_STM32_I2C1) int stm32_lm75initialize(FAR const char *devpath); #endif /************************************************************************************ * Name: stm32_lm75attach * * Description: * Attach the LM-75 interrupt handler * * Input parameters: * irqhandler - the LM-75 interrupt handler * * Returned Value: * The previous LM-75 interrupt handler * ************************************************************************************/ #if defined(CONFIG_I2C) && defined(CONFIG_I2C_LM75) && defined(CONFIG_STM32_I2C1) xcpt_t stm32_lm75attach(xcpt_t irqhandler); #endif #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __ASSEMBLY__ */ #endif /* __ARCH_BOARD_BOARD_H */