diff options
Diffstat (limited to 'arch/arm/mach-stm32/stm32h7')
-rw-r--r-- | arch/arm/mach-stm32/stm32h7/Kconfig | 12 | ||||
-rw-r--r-- | arch/arm/mach-stm32/stm32h7/Makefile | 8 | ||||
-rw-r--r-- | arch/arm/mach-stm32/stm32h7/soc.c | 59 |
3 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-stm32/stm32h7/Kconfig b/arch/arm/mach-stm32/stm32h7/Kconfig new file mode 100644 index 0000000000..55e6217950 --- /dev/null +++ b/arch/arm/mach-stm32/stm32h7/Kconfig @@ -0,0 +1,12 @@ +if STM32H7 + +config TARGET_STM32H743_DISCO + bool "STM32H743 Discovery board" + +config TARGET_STM32H743_EVAL + bool "STM32H743 Evaluation board" + +source "board/st/stm32h743-eval/Kconfig" +source "board/st/stm32h743-disco/Kconfig" + +endif diff --git a/arch/arm/mach-stm32/stm32h7/Makefile b/arch/arm/mach-stm32/stm32h7/Makefile new file mode 100644 index 0000000000..97f92f74ca --- /dev/null +++ b/arch/arm/mach-stm32/stm32h7/Makefile @@ -0,0 +1,8 @@ +# +# Copyright (c) 2017 +# Patrice Chotard <patrice.chotard@st.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += soc.o diff --git a/arch/arm/mach-stm32/stm32h7/soc.c b/arch/arm/mach-stm32/stm32h7/soc.c new file mode 100644 index 0000000000..a65fab6d2e --- /dev/null +++ b/arch/arm/mach-stm32/stm32h7/soc.c @@ -0,0 +1,59 @@ +/* + * Copyright (C) STMicroelectronics SA 2017 + * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/armv7m_mpu.h> + +u32 get_cpu_rev(void) +{ + return 0; +} + +int arch_cpu_init(void) +{ + int i; + + struct mpu_region_config stm32_region_config[] = { + /* + * Make all 4GB cacheable & executable. We are overriding it + * with next region for any requirement. e.g. below region1, + * 2 etc. + * In other words, the area not coming in following + * regions configuration is the one configured here in region_0 + * (cacheable & executable). + */ + { 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW, + O_I_WB_RD_WR_ALLOC, REGION_4GB }, + + /* Code area, executable & strongly ordered */ + { 0xD0000000, REGION_1, XN_EN, PRIV_RW_USR_RW, + STRONG_ORDER, REGION_8MB }, + + /* Device area in all H7 : Not executable */ + { 0x40000000, REGION_2, XN_EN, PRIV_RW_USR_RW, + DEVICE_NON_SHARED, REGION_512MB }, + + /* + * Armv7m fixed configuration: strongly ordered & not + * executable, not cacheable + */ + { 0xE0000000, REGION_4, XN_EN, PRIV_RW_USR_RW, + STRONG_ORDER, REGION_512MB }, + }; + + disable_mpu(); + for (i = 0; i < ARRAY_SIZE(stm32_region_config); i++) + mpu_config(&stm32_region_config[i]); + enable_mpu(); + + return 0; +} + +void s_init(void) +{ +} |