diff options
Diffstat (limited to 'bsps/arm/atsam/include/bsp/atsam-clock-config.h')
| -rw-r--r-- | bsps/arm/atsam/include/bsp/atsam-clock-config.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/bsps/arm/atsam/include/bsp/atsam-clock-config.h b/bsps/arm/atsam/include/bsp/atsam-clock-config.h new file mode 100644 index 0000000000..396986894b --- /dev/null +++ b/bsps/arm/atsam/include/bsp/atsam-clock-config.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2017 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#ifndef ATSAM_CLOCK_CONFIG_H +#define ATSAM_CLOCK_CONFIG_H + +#include <rtems.h> +#include <bsp/linker-symbols.h> +#include <bspopts.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#if ATSAM_CHANGE_CLOCK_FROM_SRAM != 0 +/* Note: fast_text is the simplest section to put this code into. Other + * possibilities would include creating a new section. */ +#define ATSAM_START_SRAM_SECTION BSP_FAST_TEXT_SECTION +#else +#define ATSAM_START_SRAM_SECTION +#endif + +struct atsam_clock_config { + /* Initialization value for the PMC_PLLAR. */ + uint32_t pllar_init; + /* Initialization value for the PMC_MCKR. */ + uint32_t mckr_init; + /* Resulting frequency in Hz. */ + uint32_t mck_freq; +}; + +ATSAM_START_SRAM_SECTION +extern const struct atsam_clock_config atsam_clock_config; + +#define BOARD_MCK (atsam_clock_config.mck_freq) + +struct BOARD_Sdram_Config { + uint32_t sdramc_tr; + uint32_t sdramc_cr; + uint32_t sdramc_mdr; + uint32_t sdramc_cfr1; +}; + +ATSAM_START_SRAM_SECTION +extern const struct BOARD_Sdram_Config BOARD_Sdram_Config; + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* ATSAM_CLOCK_CONFIG_H */ |