mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-28 23:51:33 +00:00
67e2df581c
This commit adds board support for i.MXRT1170-EVK from NXP. This board is an evaluation kit provided by NXP for i.MXRT117x processor family. Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2019
|
|
* Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <init.h>
|
|
#include <asm/io.h>
|
|
#include <asm/armv7_mpu.h>
|
|
#include <asm/mach-imx/sys_proto.h>
|
|
#include <linux/bitops.h>
|
|
|
|
int arch_cpu_init(void)
|
|
{
|
|
int i;
|
|
|
|
struct mpu_region_config imxrt_region_config[] = {
|
|
{ 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW,
|
|
STRONG_ORDER, REGION_4GB },
|
|
{ PHYS_SDRAM, REGION_1, XN_DIS, PRIV_RW_USR_RW,
|
|
O_I_WB_RD_WR_ALLOC, (ffs(PHYS_SDRAM_SIZE) - 2) },
|
|
{ DMAMEM_BASE,
|
|
REGION_2, XN_DIS, PRIV_RW_USR_RW,
|
|
STRONG_ORDER, (ffs(DMAMEM_SZ_ALL) - 2) },
|
|
};
|
|
|
|
/*
|
|
* Configure the memory protection unit (MPU) to allow full access to
|
|
* the whole 4GB address space.
|
|
*/
|
|
disable_mpu();
|
|
for (i = 0; i < ARRAY_SIZE(imxrt_region_config); i++)
|
|
mpu_config(&imxrt_region_config[i]);
|
|
enable_mpu();
|
|
|
|
return 0;
|
|
}
|
|
|
|
u32 get_cpu_rev(void)
|
|
{
|
|
#if defined(CONFIG_IMXRT1020)
|
|
return MXC_CPU_IMXRT1020 << 12;
|
|
#elif defined(CONFIG_IMXRT1050)
|
|
return MXC_CPU_IMXRT1050 << 12;
|
|
#elif defined(CONFIG_IMXRT1170)
|
|
return MXC_CPU_IMXRT1170 << 12;
|
|
#else
|
|
#error This IMXRT SoC is not supported
|
|
#endif
|
|
}
|