2015-05-05 19:00:24 +00:00
|
|
|
/*
|
|
|
|
|
* (C) Copyright 2015
|
2015-11-29 10:50:53 +00:00
|
|
|
* Kamil Lulko, <kamil.lulko@gmail.com>
|
2015-05-05 19:00:24 +00:00
|
|
|
*
|
|
|
|
|
* 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;
|
|
|
|
|
}
|
