diff options
Diffstat (limited to 'arch/arm/mach-stm32/stm32f1/soc.c')
-rw-r--r-- | arch/arm/mach-stm32/stm32f1/soc.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-stm32/stm32f1/soc.c b/arch/arm/mach-stm32/stm32f1/soc.c new file mode 100644 index 0000000..4438621 --- /dev/null +++ b/arch/arm/mach-stm32/stm32f1/soc.c @@ -0,0 +1,36 @@ +/* + * (C) Copyright 2015 + * Kamil Lulko, <kamil.lulko@gmail.com> + * + * Copyright 2015 ATS Advanced Telematics Systems GmbH + * Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/armv7m.h> +#include <asm/arch/stm32.h> + +u32 get_cpu_rev(void) +{ + return 0; +} + +int arch_cpu_init(void) +{ + configure_clocks(); + + /* + * Configure the memory protection unit (MPU) to allow full access to + * the whole 4GB address space. + */ + writel(0, &V7M_MPU->rnr); + writel(0, &V7M_MPU->rbar); + writel((V7M_MPU_RASR_AP_RW_RW | V7M_MPU_RASR_SIZE_4GB + | V7M_MPU_RASR_EN), &V7M_MPU->rasr); + writel(V7M_MPU_CTRL_ENABLE | V7M_MPU_CTRL_HFNMIENA, &V7M_MPU->ctrl); + + return 0; +} |