blob: a960cc1cbfdac7fd9931fc067bf181edced56874 [file] [log] [blame]
Toshifumi NISHINAGA65bfb9c2016-07-08 01:02:24 +09001/*
2 * (C) Copyright 2015
3 * Kamil Lulko, <kamil.lulko@gmail.com>
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8#include <common.h>
9#include <asm/io.h>
Vikas Manochaa645cba2017-05-03 16:38:56 -070010#include <asm/armv7m_mpu.h>
Toshifumi NISHINAGA65bfb9c2016-07-08 01:02:24 +090011#include <asm/arch/stm32.h>
12
13u32 get_cpu_rev(void)
14{
15 return 0;
16}
17
18int arch_cpu_init(void)
19{
Simon Glass5b93efa2017-07-01 11:06:09 -060020 int i;
21
Vikas Manochaa645cba2017-05-03 16:38:56 -070022 struct mpu_region_config stm32_region_config[] = {
23 { 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW,
Vikas Manocha97b78902017-05-03 16:38:57 -070024 O_I_WB_RD_WR_ALLOC, REGION_4GB },
25
26 { 0x00000000, REGION_1, XN_DIS, PRIV_RW_USR_RW,
27 STRONG_ORDER, REGION_512MB },
28
29 { 0x40000000, REGION_2, XN_EN, PRIV_RW_USR_RW,
30 DEVICE_NON_SHARED, REGION_512MB },
31
32 { 0xA0000000, REGION_3, XN_EN, PRIV_RW_USR_RW,
33 DEVICE_NON_SHARED, REGION_512MB },
Toshifumi NISHINAGA18bd7632016-07-08 01:02:25 +090034
Vikas Manocha97b78902017-05-03 16:38:57 -070035 { 0xE0000000, REGION_4, XN_EN, PRIV_RW_USR_RW,
36 STRONG_ORDER, REGION_512MB },
Vikas Manochaa645cba2017-05-03 16:38:56 -070037 };
Toshifumi NISHINAGA18bd7632016-07-08 01:02:25 +090038
Vikas Manochaa645cba2017-05-03 16:38:56 -070039 disable_mpu();
Simon Glass5b93efa2017-07-01 11:06:09 -060040 for (i = 0; i < ARRAY_SIZE(stm32_region_config); i++)
Vikas Manochaa645cba2017-05-03 16:38:56 -070041 mpu_config(&stm32_region_config[i]);
42 enable_mpu();
Toshifumi NISHINAGA18bd7632016-07-08 01:02:25 +090043
Toshifumi NISHINAGA65bfb9c2016-07-08 01:02:24 +090044 return 0;
45}
46
47void s_init(void)
48{
49}