1 /*
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>
10 #include <asm/armv7m_mpu.h>
11 #include <asm/arch/stm32.h>
12
get_cpu_rev(void)13 u32 get_cpu_rev(void)
14 {
15 return 0;
16 }
17
arch_cpu_init(void)18 int arch_cpu_init(void)
19 {
20 int i;
21
22 struct mpu_region_config stm32_region_config[] = {
23 { 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW,
24 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 },
34
35 { 0xE0000000, REGION_4, XN_EN, PRIV_RW_USR_RW,
36 STRONG_ORDER, REGION_512MB },
37 };
38
39 disable_mpu();
40 for (i = 0; i < ARRAY_SIZE(stm32_region_config); i++)
41 mpu_config(&stm32_region_config[i]);
42 enable_mpu();
43
44 return 0;
45 }
46
s_init(void)47 void s_init(void)
48 {
49 }
50