| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /* |
| * Copyright (C) 2017, Fuzhou Rockchip Electronics Co., Ltd. |
| */ |
| |
| #ifndef PLAT_ROCKCHIP_COMMON_H |
| #define PLAT_ROCKCHIP_COMMON_H |
| |
| /* For SMP cpu bootup, they are common for rockchip platforms */ |
| #define LOCK_TAG 0xDEADBEAF |
| #define LOCK_ADDR_OFFSET 4 |
| #define BOOT_ADDR_OFFSET 8 |
| |
| /* |
| * Some register has write-mask bits, it means if you want to set the bits, |
| * you need set the write-mask bits at the same time, the write-mask bits is |
| * in high 16-bits. The following macro definition helps you access register |
| * efficiently. |
| */ |
| #define REG_MSK_SHIFT 16 |
| #define WMSK_BIT(nr) BIT((nr) + REG_MSK_SHIFT) |
| #define BIT_WITH_WMSK(nr) (BIT(nr) | WMSK_BIT(nr)) |
| #define BITS_WMSK(msk, shift) SHIFT_U32(msk, (shift) + REG_MSK_SHIFT) |
| #define BITS_WITH_WMASK(bits, msk, shift) \ |
| (SHIFT_U32(bits, shift) | BITS_WMSK(msk, shift)) |
| |
| #endif |
