diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/mach-k3/r5_mpu.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/mach-k3/r5_mpu.c')
| -rw-r--r-- | roms/u-boot/arch/arm/mach-k3/r5_mpu.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-k3/r5_mpu.c b/roms/u-boot/arch/arm/mach-k3/r5_mpu.c new file mode 100644 index 000000000..3d2ff6775 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-k3/r5_mpu.c @@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * K3: R5 MPU region definitions + * + * Copyright (C) 2017-2018 Texas Instruments Incorporated - http://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 */ + {CONFIG_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)); +} |