| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * K3: R5 MPU region definitions |
| * |
| * Copyright (C) 2017-2018 Texas Instruments Incorporated - https://www.ti.com/ |
| * Lokesh Vutla <lokeshvutla@ti.com> |
| */ |
| |
| #include <common.h> |
| #include <asm/io.h> |
| #include <linux/kernel.h> |
| #include "common.h" |
| |
| struct mpu_region_config k3_mpu_regions[16] = { |
| /* |
| * Make all 4GB as Device Memory and not executable. We are overriding |
| * it with next region for any requirement. |
| */ |
| {0x00000000, REGION_0, XN_EN, PRIV_RW_USR_RW, SHARED_WRITE_BUFFERED, |
| REGION_4GB}, |
| |
| /* SPL code area marking it as WB and Write allocate. */ |
| {CONFIG_SPL_TEXT_BASE, REGION_1, XN_DIS, PRIV_RW_USR_RW, |
| O_I_WB_RD_WR_ALLOC, REGION_8MB}, |
| |
| /* U-Boot's code area marking it as WB and Write allocate */ |
| {CFG_SYS_SDRAM_BASE, REGION_2, XN_DIS, PRIV_RW_USR_RW, |
| O_I_WB_RD_WR_ALLOC, REGION_2GB}, |
| /* mcu_r5fss0_core0 BTCM area marking it as WB and Write allocate. */ |
| {0x41010000, 3, XN_DIS, PRIV_RW_USR_RW, O_I_WB_RD_WR_ALLOC, |
| REGION_8MB}, |
| {0x0, 4, 0x0, 0x0, 0x0, 0x0}, |
| {0x0, 5, 0x0, 0x0, 0x0, 0x0}, |
| {0x0, 6, 0x0, 0x0, 0x0, 0x0}, |
| {0x0, 7, 0x0, 0x0, 0x0, 0x0}, |
| {0x0, 8, 0x0, 0x0, 0x0, 0x0}, |
| {0x0, 9, 0x0, 0x0, 0x0, 0x0}, |
| {0x0, 10, 0x0, 0x0, 0x0, 0x0}, |
| {0x0, 11, 0x0, 0x0, 0x0, 0x0}, |
| {0x0, 12, 0x0, 0x0, 0x0, 0x0}, |
| {0x0, 13, 0x0, 0x0, 0x0, 0x0}, |
| {0x0, 14, 0x0, 0x0, 0x0, 0x0}, |
| {0x0, 15, 0x0, 0x0, 0x0, 0x0}, |
| }; |
| |
| void setup_k3_mpu_regions(void) |
| { |
| setup_mpu_regions(k3_mpu_regions, ARRAY_SIZE(k3_mpu_regions)); |
| } |