| Joseph Lo | c2be5bf | 2012-08-16 17:31:50 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2010-2012, NVIDIA Corporation. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms and conditions of the GNU General Public License, |
| 6 | * version 2, as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 11 | * more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 15 | */ |
| 16 | |
| 17 | #ifndef __MACH_TEGRA_SLEEP_H |
| 18 | #define __MACH_TEGRA_SLEEP_H |
| 19 | |
| 20 | #include <mach/iomap.h> |
| 21 | |
| 22 | #define TEGRA_FLOW_CTRL_VIRT (TEGRA_FLOW_CTRL_BASE - IO_PPSB_PHYS \ |
| 23 | + IO_PPSB_VIRT) |
| 24 | |
| 25 | #ifdef __ASSEMBLY__ |
| 26 | /* returns the offset of the flow controller halt register for a cpu */ |
| 27 | .macro cpu_to_halt_reg rd, rcpu |
| 28 | cmp \rcpu, #0 |
| 29 | subne \rd, \rcpu, #1 |
| 30 | movne \rd, \rd, lsl #3 |
| 31 | addne \rd, \rd, #0x14 |
| 32 | moveq \rd, #0 |
| 33 | .endm |
| 34 | |
| 35 | /* returns the offset of the flow controller csr register for a cpu */ |
| 36 | .macro cpu_to_csr_reg rd, rcpu |
| 37 | cmp \rcpu, #0 |
| 38 | subne \rd, \rcpu, #1 |
| 39 | movne \rd, \rd, lsl #3 |
| 40 | addne \rd, \rd, #0x18 |
| 41 | moveq \rd, #8 |
| 42 | .endm |
| 43 | |
| 44 | /* returns the ID of the current processor */ |
| 45 | .macro cpu_id, rd |
| 46 | mrc p15, 0, \rd, c0, c0, 5 |
| 47 | and \rd, \rd, #0xF |
| 48 | .endm |
| 49 | |
| 50 | /* loads a 32-bit value into a register without a data access */ |
| 51 | .macro mov32, reg, val |
| 52 | movw \reg, #:lower16:\val |
| 53 | movt \reg, #:upper16:\val |
| 54 | .endm |
| 55 | #endif |
| 56 | #endif |