u-boot/arch/arm/mach-stm32/stm32f4/soc.c
Vikas Manocha 33b78476d2 stm32: use armv7m MPU configuration support
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
2017-05-12 08:37:07 -04:00

39 lines
707 B
C

/*
* (C) Copyright 2015
* Kamil Lulko, <kamil.lulko@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/armv7m_mpu.h>
#include <asm/arch/stm32.h>
u32 get_cpu_rev(void)
{
return 0;
}
int arch_cpu_init(void)
{
struct mpu_region_config stm32_region_config[] = {
{ 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW,
STRONG_ORDER, REGION_4GB },
};
configure_clocks();
/*
* Configure the memory protection unit (MPU) to allow full access to
* the whole 4GB address space.
*/
disable_mpu();
for (int i = 0; i < ARRAY_SIZE(stm32_region_config); i++)
mpu_config(&stm32_region_config[i]);
enable_mpu();
return 0;
}
void s_init(void)
{
}