6e3728bb12
Per a conversation with Stefan, these chip-dependent files are moved to the src tree, in the manner of other chips (north and southbridge). Change-Id: I12645ba05eb241eda200ed06cb633541a6a98119 Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Signed-off-by: David Hendricks <dhendrix@chromium.org> Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Reviewed-on: http://review.coreboot.org/1925 Tested-by: build bot (Jenkins)
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/*
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* Copyright (c) 2012 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* EXYNOS - CPU frequency scaling support
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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 modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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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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/* Define various levels of ARM frequency */
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enum cpufreq_level {
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CPU_FREQ_L200, /* 200 MHz */
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CPU_FREQ_L300, /* 300 MHz */
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CPU_FREQ_L400, /* 400 MHz */
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CPU_FREQ_L500, /* 500 MHz */
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CPU_FREQ_L600, /* 600 MHz */
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CPU_FREQ_L700, /* 700 MHz */
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CPU_FREQ_L800, /* 800 MHz */
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CPU_FREQ_L900, /* 900 MHz */
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CPU_FREQ_L1000, /* 1000 MHz */
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CPU_FREQ_L1100, /* 1100 MHz */
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CPU_FREQ_L1200, /* 1200 MHz */
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CPU_FREQ_L1300, /* 1300 MHz */
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CPU_FREQ_L1400, /* 1400 MHz */
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CPU_FREQ_L1500, /* 1500 MHz */
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CPU_FREQ_L1600, /* 1600 MHz */
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CPU_FREQ_L1700, /* 1700 MHz */
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CPU_FREQ_LCOUNT,
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};
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/*
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* Initialize ARM frequency scaling
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*
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* @param blob FDT blob
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* @return int value, 0 for success
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*/
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int exynos5250_cpufreq_init(const void *blob);
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/*
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* Switch ARM frequency to new level
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*
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* @param new_freq_level enum cpufreq_level, states new frequency
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* @return int value, 0 for success
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*/
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int exynos5250_set_frequency(enum cpufreq_level new_freq_level);
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