301f84c6d7
Add some defines and structs that describe what the PWM registers look like. BUG=none TEST=emerge-nyan chromeos-coreboot-nyan Original-Change-Id: Ie10589e4cbf5292e543d205ac8a1c6b09a0f76d0 Original-Signed-off-by: Andrew Chew <achew@nvidia.com> Original-Reviewed-on: https://chromium-review.googlesource.com/185771 Original-Reviewed-by: Andrew Bresticker <abrestic@chromium.org> (cherry picked from commit fbbd2a5e148c1142aee100dbcde17c865b06b2bd) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: If4dc40c1dcdf1723e05923e2fea42ccc47766699 Reviewed-on: http://review.coreboot.org/7401 Tested-by: build bot (Jenkins) Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/*
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* Copyright 2014 Google Inc.
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* (C) Copyright 2010
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* NVIDIA Corporation <www.nvidia.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __SOC_NVIDIA_TEGRA_PWM_H
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#define __SOC_NVIDIA_TEGRA_PWM_H
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#include <types.h>
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/* Register definitions for the Tegra pwm controller */
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#define NV_PWM_CSR_ENABLE_SHIFT 31
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#define NV_PWM_CSR_PULSE_WIDTH_SHIFT 16
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struct pwm_reg {
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u32 csr;
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u32 rsvd[3];
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};
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struct pwm_controller {
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struct pwm_reg pwm[4];
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};
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#endif /* __SOC_NVIDIA_TEGRA_PWM_H */
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