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ARM: tegra: clean up the common assembly macros into sleep.h
There are some common macros for Tegra low-level assembly code. Clean up them into one header file and move the definitions that will be re-used into it as well. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Sep 13, 2012
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/* | ||
* Copyright (c) 2010-2012, NVIDIA Corporation. All rights reserved. | ||
* | ||
* This program is free software; you can redistribute it and/or modify it | ||
* under the terms and conditions of the GNU General Public License, | ||
* version 2, as published by the Free Software Foundation. | ||
* | ||
* This program is distributed in the hope it will be useful, but WITHOUT | ||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
* more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
*/ | ||
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#ifndef __MACH_TEGRA_SLEEP_H | ||
#define __MACH_TEGRA_SLEEP_H | ||
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#include <mach/iomap.h> | ||
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#define TEGRA_FLOW_CTRL_VIRT (TEGRA_FLOW_CTRL_BASE - IO_PPSB_PHYS \ | ||
+ IO_PPSB_VIRT) | ||
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#ifdef __ASSEMBLY__ | ||
/* returns the offset of the flow controller halt register for a cpu */ | ||
.macro cpu_to_halt_reg rd, rcpu | ||
cmp \rcpu, #0 | ||
subne \rd, \rcpu, #1 | ||
movne \rd, \rd, lsl #3 | ||
addne \rd, \rd, #0x14 | ||
moveq \rd, #0 | ||
.endm | ||
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/* returns the offset of the flow controller csr register for a cpu */ | ||
.macro cpu_to_csr_reg rd, rcpu | ||
cmp \rcpu, #0 | ||
subne \rd, \rcpu, #1 | ||
movne \rd, \rd, lsl #3 | ||
addne \rd, \rd, #0x18 | ||
moveq \rd, #8 | ||
.endm | ||
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/* returns the ID of the current processor */ | ||
.macro cpu_id, rd | ||
mrc p15, 0, \rd, c0, c0, 5 | ||
and \rd, \rd, #0xF | ||
.endm | ||
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/* loads a 32-bit value into a register without a data access */ | ||
.macro mov32, reg, val | ||
movw \reg, #:lower16:\val | ||
movt \reg, #:upper16:\val | ||
.endm | ||
#endif | ||
#endif |