The QSPI memory is initialized and used only when the BSP configure file sets QSPI memory size to non-zero value. Currently QSPI is run in memory mapped mode which allows future RTEMS binary linkage and upload into QSPI memory.
Sponsored-By: Precidata --- .../stm/stm32h757i-eval/stm32h7-bspstarthooks.c | 17 +++++++++++++++++ bsps/arm/stm32h7/include/bsp.h | 1 + .../bsps/arm/stm32h7/bspstm32h757i-eval.yml | 5 ++++- spec/build/bsps/arm/stm32h7/optmemquadspisz.yml | 5 +++++ 4 files changed, 27 insertions(+), 1 deletion(-) diff --git a/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-bspstarthooks.c b/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-bspstarthooks.c index 8d34e357ee..1bb81e3b60 100644 --- a/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-bspstarthooks.c +++ b/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-bspstarthooks.c @@ -36,6 +36,22 @@ #include <string.h> +#include <stm32h747i_eval_qspi.h> +static BSP_QSPI_Init_t QSPinit; + +void stm32h7_init_qspi(void) +{ +#if defined(STM32H7_MEMORY_QUADSPI_SIZE) && STM32H7_MEMORY_QUADSPI_SIZE > 0 + /* let's initialize Quad SPI memory here for memory mapped mode */ + /* due to usage of static QSPinit variable please call this function + after bsp_start_clear_bss call since otherwise you would hit uninitialized + variable memory while accessing it and in addition the call to bsp_start_clear_bss + would wipe the variable content later after its initialization here. */ + BSP_QSPI_Init(0, &QSPinit); + BSP_QSPI_EnableMemoryMappedMode(0); +#endif +} + void bsp_start_hook_0(void) { if ((RCC->AHB3ENR & RCC_AHB3ENR_FMCEN) == 0) { @@ -75,4 +91,5 @@ void bsp_start_hook_1(void) SCB_InvalidateICache(); #endif bsp_start_clear_bss(); + stm32h7_init_qspi(); } diff --git a/bsps/arm/stm32h7/include/bsp.h b/bsps/arm/stm32h7/include/bsp.h index 08311bf51e..cd4d25c069 100644 --- a/bsps/arm/stm32h7/include/bsp.h +++ b/bsps/arm/stm32h7/include/bsp.h @@ -62,6 +62,7 @@ void stm32h7_init_power(void); void stm32h7_init_oscillator(void); void stm32h7_init_clocks(void); void stm32h7_init_peripheral_clocks(void); +void stm32h7_init_qspi(void); /** @} */ diff --git a/spec/build/bsps/arm/stm32h7/bspstm32h757i-eval.yml b/spec/build/bsps/arm/stm32h7/bspstm32h757i-eval.yml index 5d7ee1348d..7516e55a3f 100644 --- a/spec/build/bsps/arm/stm32h7/bspstm32h757i-eval.yml +++ b/spec/build/bsps/arm/stm32h7/bspstm32h757i-eval.yml @@ -8,7 +8,8 @@ copyrights: cppflags: [] enabled-by: true family: stm32h7 -includes: [] +includes: +- bsps/arm/stm32h7/boards/stm/stm32h757i-eval install: [] links: - role: build-dependency @@ -16,6 +17,8 @@ links: - role: build-dependency uid: tststm32h757i-eval source: +- bsps/arm/stm32h7/boards/stm/Components/mt25tl01g/mt25tl01g.c +- bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h747i_eval_qspi.c - bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-bspstarthooks.c - bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-clk.c - bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-osc.c diff --git a/spec/build/bsps/arm/stm32h7/optmemquadspisz.yml b/spec/build/bsps/arm/stm32h7/optmemquadspisz.yml index 82c48c7683..f4e39d979b 100644 --- a/spec/build/bsps/arm/stm32h7/optmemquadspisz.yml +++ b/spec/build/bsps/arm/stm32h7/optmemquadspisz.yml @@ -2,10 +2,15 @@ SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause actions: - get-integer: null - env-assign: null +- define-unquoted: null build-type: option copyrights: - Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de) default: +- enabled-by: + - arm/stm32h757i-eval + - arm/stm32h757i-eval-m4 + value: 0x08000000 - enabled-by: true value: 0x00000000 description: | -- 2.25.1 _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel