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| /*
| * (C) Copyright 2017
| * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
| *
| * SPDX-License-Identifier: GPL-2.0+
| */
|
| enum region_number {
| REGION_0 = 0,
| REGION_1,
| REGION_2,
| REGION_3,
| REGION_4,
| REGION_5,
| REGION_6,
| REGION_7,
| };
|
| enum ap {
| NO_ACCESS = 0,
| PRIV_RW_USR_NO,
| PRIV_RW_USR_RO,
| PRIV_RW_USR_RW,
| UNPREDICTABLE,
| PRIV_RO_USR_NO,
| PRIV_RO_USR_RO,
| };
|
| enum mr_attr {
| STRONG_ORDER = 0,
| SHARED_WRITE_BUFFERED,
| O_I_WT_NO_WR_ALLOC,
| O_I_WB_NO_WR_ALLOC,
| O_I_NON_CACHEABLE,
| O_I_WB_RD_WR_ALLOC,
| DEVICE_NON_SHARED,
| };
| enum size {
| REGION_8MB = 22,
| REGION_16MB,
| REGION_32MB,
| REGION_64MB,
| REGION_128MB,
| REGION_256MB,
| REGION_512MB,
| REGION_1GB,
| REGION_2GB,
| REGION_4GB,
| };
|
| enum xn {
| XN_DIS = 0,
| XN_EN,
| };
|
| struct mpu_region_config {
| uint32_t start_addr;
| enum region_number region_no;
| enum xn xn;
| enum ap ap;
| enum mr_attr mr_attr;
| enum size reg_size;
| };
|
| void disable_mpu(void);
| void enable_mpu(void);
| void mpu_config(struct mpu_region_config *reg_config);
|
|
