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arch: arc: bug fixes in arc mpu driver

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fix the bug in _is_in_region
* RDB0 -> RDP0

Signed-off-by: Wayne Ren <wei.ren@synopsys.com>
This commit is contained in:
Wayne Ren 2018-03-08 02:44:29 +08:00 committed by ruuddw
parent 848d15e8e5
commit 6612c9f683
1 changed files with 1 additions and 1 deletions
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2
arch/arc/core/mpu/arc_mpu.c
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@ -234,7 +234,7 @@ static inline int _is_in_region(u32_t r_index, u32_t start, u32_t size)
r_addr_start = _arc_v2_aux_reg_read(_ARC_V2_MPU_RDB0 + 2 * r_index)
& (~AUX_MPU_RDB_VALID_MASK);
r_size_lshift = _arc_v2_aux_reg_read(_ARC_V2_MPU_RDB0 + 2 * r_index)
r_size_lshift = _arc_v2_aux_reg_read(_ARC_V2_MPU_RDP0 + 2 * r_index)
& AUX_MPU_RDP_ATTR_MASK;
r_size_lshift = (r_size_lshift & 0x3) | ((r_size_lshift >> 7) & 0x1C);
r_addr_end = r_addr_start + (1 << (r_size_lshift + 1));