diff options
Diffstat (limited to 'bsps/arm/tms570/include/bsp/tms570_hwinit.h')
| -rw-r--r-- | bsps/arm/tms570/include/bsp/tms570_hwinit.h | 95 |
1 files changed, 86 insertions, 9 deletions
diff --git a/bsps/arm/tms570/include/bsp/tms570_hwinit.h b/bsps/arm/tms570/include/bsp/tms570_hwinit.h index 2c84b6e5fa..2af2f3d48a 100644 --- a/bsps/arm/tms570/include/bsp/tms570_hwinit.h +++ b/bsps/arm/tms570/include/bsp/tms570_hwinit.h @@ -1,11 +1,64 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup RTEMSBSPsARMTMS570 + * + * @brief This header file provides interfaces of the hardware initialization + * support. + */ + +/* + * Copyright (C) 2022 Airbus U.S. Space & Defense, Inc + * Copyright (C) 2014 Premysl Houdek <kom541000@gmail.com> + * + * Google Summer of Code 2014 at + * Czech Technical University in Prague + * Zikova 1903/4 + * 166 36 Praha 6 + * Czech Republic + * + * 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. + * + * 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 LIBBSP_ARM_TMS570_HWINIT_H #define LIBBSP_ARM_TMS570_HWINIT_H -#define TMS570_TCRAM_START_PTR ( (void *) ( 0x08000000U ) ) -#define TMS570_TCRAM_WINDOW_END_PTR ( (void *) ( 0x08080000U ) ) +#include <bspopts.h> +#include <stdint.h> +#include <bsp/start.h> -#define TMS570_SDRAM_START_PTR ( (void *) ( 0x80000000U ) ) -#define TMS570_SDRAM_WINDOW_END_PTR ( (void *) ( 0xA0000000U ) ) +static inline bool tms570_running_from_tcram( void ) +{ + uintptr_t fncptr = (uintptr_t)bsp_start_hook_0; + return (fncptr - TMS570_MEMORY_SRAM_ORIGIN) < TMS570_MEMORY_SRAM_SIZE; +} + +static inline bool tms570_running_from_sdram( void ) +{ + uintptr_t fncptr = (uintptr_t)bsp_start_hook_0; + return (fncptr - TMS570_MEMORY_SDRAM_ORIGIN) < TMS570_MEMORY_SDRAM_SIZE; +} /* Ti TMS570 core setup implemented in assembly */ void _esmCcmErrorsClear_( void ); @@ -16,16 +69,40 @@ void _coreEnableRamEcc_( void ); void _coreDisableRamEcc_( void ); void _mpuInit_( void ); -void tms570_emif_sdram_init( void ); void tms570_memory_init( uint32_t ram ); -void tms570_system_hw_init( void ); -void tms570_pinmux_init( void ); -void tms570_pll_init( void ); void tms570_trim_lpo_init( void ); void tms570_flash_init( void ); void tms570_periph_init( void ); -void tms570_map_clock_init( void ); void tms570_system_hw_init( void ); void tms570_esm_init( void ); +/* + * The following functions that must be implemented on a per-board basis for + * any BSP variant with hardware initialization. These configure MCU + * peripherals that are specific to a particular board. + */ + +/** + * @brief Initialize the External Memory InterFace (EMIF) peripheral. + */ +void tms570_emif_sdram_init(void); + +/** + * @brief Initialize PLLs source divider/multipliers. + */ +void tms570_pll_init(void); + +/** + * @brief Initialize the tms570 Global Clock Manager (GCM) registers which + * sub-divide the input clock source (generally PLL) into the various + * peripheral clocks (VCLK1-3, etc). + */ +void tms570_map_clock_init(void); + +/** + * @brief Initialize the tms570 PINMUX peripheral. This maps signals to pin + * terminals. + */ +void tms570_pinmux_init(void); + #endif /* LIBBSP_ARM_TMS570_HWINIT_H */ |