u-boot/arch/arm/cpu/armv7m/stm32f1/soc.c
Kamil Lulko 5be9356926 Change e-mail address of Kamil Lulko
Signed-off-by: Kamil Lulko <kamil.lulko@gmail.com>
2015-12-05 18:22:32 -05:00

36 lines
762 B
C

/*
* (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;
}