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+/*
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+ * Copyright (c) 2010-2012, NVIDIA Corporation. All rights reserved.
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms and conditions of the GNU General Public License,
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+ * version 2, as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope it will be useful, but WITHOUT
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+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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+ * more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
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+ */
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+
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+#ifndef __MACH_TEGRA_SLEEP_H
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+#define __MACH_TEGRA_SLEEP_H
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+
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+#include <mach/iomap.h>
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+
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+#define TEGRA_FLOW_CTRL_VIRT (TEGRA_FLOW_CTRL_BASE - IO_PPSB_PHYS \
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+ + IO_PPSB_VIRT)
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+
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+#ifdef __ASSEMBLY__
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+/* returns the offset of the flow controller halt register for a cpu */
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+.macro cpu_to_halt_reg rd, rcpu
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+ cmp \rcpu, #0
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+ subne \rd, \rcpu, #1
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+ movne \rd, \rd, lsl #3
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+ addne \rd, \rd, #0x14
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+ moveq \rd, #0
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+.endm
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+
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+/* returns the offset of the flow controller csr register for a cpu */
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+.macro cpu_to_csr_reg rd, rcpu
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+ cmp \rcpu, #0
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+ subne \rd, \rcpu, #1
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+ movne \rd, \rd, lsl #3
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+ addne \rd, \rd, #0x18
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+ moveq \rd, #8
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+.endm
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+
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+/* returns the ID of the current processor */
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+.macro cpu_id, rd
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+ mrc p15, 0, \rd, c0, c0, 5
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+ and \rd, \rd, #0xF
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+.endm
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+
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+/* loads a 32-bit value into a register without a data access */
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+.macro mov32, reg, val
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+ movw \reg, #:lower16:\val
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+ movt \reg, #:upper16:\val
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+.endm
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+#endif
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+#endif
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