| Lokesh Vutla | 23f7b1a | 2018-11-02 19:51:03 +0530 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * K3: R5 MPU region definitions |
| 4 | * |
| 5 | * Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/ |
| 6 | * Lokesh Vutla <lokeshvutla@ti.com> |
| 7 | */ |
| 8 | |
| 9 | #include <common.h> |
| 10 | #include <asm/io.h> |
| 11 | #include <linux/kernel.h> |
| 12 | #include "common.h" |
| 13 | |
| 14 | struct mpu_region_config k3_mpu_regions[16] = { |
| 15 | /* |
| 16 | * Make all 4GB as Device Memory and not executable. We are overriding |
| 17 | * it with next region for any requirement. |
| 18 | */ |
| 19 | {0x00000000, REGION_0, XN_EN, PRIV_RW_USR_RW, SHARED_WRITE_BUFFERED, |
| 20 | REGION_4GB}, |
| 21 | |
| 22 | /* SPL code area marking it as WB and Write allocate. */ |
| 23 | {CONFIG_SPL_TEXT_BASE, REGION_1, XN_DIS, PRIV_RW_USR_RW, |
| 24 | O_I_WB_RD_WR_ALLOC, REGION_8MB}, |
| 25 | |
| 26 | /* U-Boot's code area marking it as WB and Write allocate */ |
| 27 | {CONFIG_SYS_SDRAM_BASE, REGION_2, XN_DIS, PRIV_RW_USR_RW, |
| 28 | O_I_WB_RD_WR_ALLOC, REGION_2GB}, |
| 29 | {0x0, 3, 0x0, 0x0, 0x0, 0x0}, |
| 30 | {0x0, 4, 0x0, 0x0, 0x0, 0x0}, |
| 31 | {0x0, 5, 0x0, 0x0, 0x0, 0x0}, |
| 32 | {0x0, 6, 0x0, 0x0, 0x0, 0x0}, |
| 33 | {0x0, 7, 0x0, 0x0, 0x0, 0x0}, |
| 34 | {0x0, 8, 0x0, 0x0, 0x0, 0x0}, |
| 35 | {0x0, 9, 0x0, 0x0, 0x0, 0x0}, |
| 36 | {0x0, 10, 0x0, 0x0, 0x0, 0x0}, |
| 37 | {0x0, 11, 0x0, 0x0, 0x0, 0x0}, |
| 38 | {0x0, 12, 0x0, 0x0, 0x0, 0x0}, |
| 39 | {0x0, 13, 0x0, 0x0, 0x0, 0x0}, |
| 40 | {0x0, 14, 0x0, 0x0, 0x0, 0x0}, |
| 41 | {0x0, 15, 0x0, 0x0, 0x0, 0x0}, |
| 42 | }; |
| 43 | |
| 44 | void setup_k3_mpu_regions(void) |
| 45 | { |
| 46 | setup_mpu_regions(k3_mpu_regions, ARRAY_SIZE(k3_mpu_regions)); |
| 47 | } |