forked from Imagelibrary/rtems
122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
/**
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* @file
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*
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* @ingroup RTEMSBSPsARMLPC24XX
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*
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* @brief BSP start configuration.
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*/
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/*
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* Copyright (c) 2011-2012 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Obere Lagerstr. 30
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifndef LIBBSP_ARM_LPC24XX_START_CONFIG_H
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#define LIBBSP_ARM_LPC24XX_START_CONFIG_H
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#include <rtems/score/armv7m.h>
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#include <bsp.h>
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#include <bsp/io.h>
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#include <bsp/start.h>
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#include <bsp/lpc-emc.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/**
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* @brief Pico seconds @a ps to clock ticks for clock frequency @a f.
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*/
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#define LPC24XX_PS_TO_CLK(ps, f) \
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(((((uint64_t) (ps)) * ((uint64_t) (f))) + 1000000000000ULL - 1ULL) \
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/ 1000000000000ULL)
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/**
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* @brief Pico seconds @a ps to EMCCLK clock ticks adjusted by @a m.
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*/
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#define LPC24XX_PS_TO_EMCCLK(ps, m) \
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(LPC24XX_PS_TO_CLK(ps, LPC24XX_EMCCLK) > (m) ? \
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LPC24XX_PS_TO_CLK(ps, LPC24XX_EMCCLK) - (m) : 0)
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typedef struct {
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uint32_t refresh;
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uint32_t readconfig;
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uint32_t trp;
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uint32_t tras;
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uint32_t tsrex;
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uint32_t tapr;
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uint32_t tdal;
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uint32_t twr;
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uint32_t trc;
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uint32_t trfc;
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uint32_t txsr;
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uint32_t trrd;
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uint32_t tmrd;
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uint32_t emcdlyctl;
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} lpc24xx_emc_dynamic_config;
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typedef struct {
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volatile lpc_emc_dynamic *chip_select;
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uint32_t address;
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uint32_t config;
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uint32_t rascas;
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uint32_t mode;
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} lpc24xx_emc_dynamic_chip_config;
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typedef struct {
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volatile lpc_emc_static *chip_select;
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struct {
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uint32_t config;
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uint32_t waitwen;
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uint32_t waitoen;
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uint32_t waitrd;
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uint32_t waitpage;
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uint32_t waitwr;
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uint32_t waitrun;
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} config;
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} lpc24xx_emc_static_chip_config;
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extern BSP_START_DATA_SECTION const lpc24xx_pin_range
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lpc24xx_start_config_pinsel [];
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extern BSP_START_DATA_SECTION const lpc24xx_emc_dynamic_config
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lpc24xx_start_config_emc_dynamic [];
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extern BSP_START_DATA_SECTION const lpc24xx_emc_dynamic_chip_config
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lpc24xx_start_config_emc_dynamic_chip [];
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extern BSP_START_DATA_SECTION const size_t
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lpc24xx_start_config_emc_dynamic_chip_count;
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extern BSP_START_DATA_SECTION const lpc24xx_emc_static_chip_config
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lpc24xx_start_config_emc_static_chip [];
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extern BSP_START_DATA_SECTION const size_t
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lpc24xx_start_config_emc_static_chip_count;
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#ifdef ARM_MULTILIB_ARCH_V7M
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extern BSP_START_DATA_SECTION const ARMV7M_MPU_Region
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lpc24xx_start_config_mpu_region [];
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extern BSP_START_DATA_SECTION const size_t
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lpc24xx_start_config_mpu_region_count;
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#endif /* ARM_MULTILIB_ARCH_V7M */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* LIBBSP_ARM_LPC24XX_START_CONFIG_H */
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