mirror of
https://github.com/AsahiLinux/u-boot
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36 lines
762 B
C
36 lines
762 B
C
/*
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* (C) Copyright 2015
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* Kamil Lulko, <kamil.lulko@gmail.com>
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*
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* Copyright 2015 ATS Advanced Telematics Systems GmbH
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* Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/armv7m.h>
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#include <asm/arch/stm32.h>
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u32 get_cpu_rev(void)
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{
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return 0;
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}
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int arch_cpu_init(void)
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{
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configure_clocks();
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/*
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* Configure the memory protection unit (MPU) to allow full access to
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* the whole 4GB address space.
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*/
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writel(0, &V7M_MPU->rnr);
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writel(0, &V7M_MPU->rbar);
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writel((V7M_MPU_RASR_AP_RW_RW | V7M_MPU_RASR_SIZE_4GB
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| V7M_MPU_RASR_EN), &V7M_MPU->rasr);
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writel(V7M_MPU_CTRL_ENABLE | V7M_MPU_CTRL_HFNMIENA, &V7M_MPU->ctrl);
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return 0;
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}
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