eb05ead90d
omap3 and omap4 opp_init should be made non-static to allow for platform specific opp table tweaking. making these static conflicts with the definition in pm.h(global) as well. we include pm.h as well to ensure that there are no such prototype conflicts with actual implementation in the future. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
109 lines
3.3 KiB
C
109 lines
3.3 KiB
C
/*
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* OMAP3 OPP table definitions.
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*
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* Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/
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* Nishanth Menon
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* Kevin Hilman
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* Copyright (C) 2010 Nokia Corporation.
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* Eduardo Valentin
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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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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of 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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#include <linux/module.h>
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#include <plat/cpu.h>
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#include "omap_opp_data.h"
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#include "pm.h"
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static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
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/* MPU OPP1 */
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OPP_INITIALIZER("mpu", true, 125000000, 975000),
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/* MPU OPP2 */
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OPP_INITIALIZER("mpu", true, 250000000, 1075000),
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/* MPU OPP3 */
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OPP_INITIALIZER("mpu", true, 500000000, 1200000),
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/* MPU OPP4 */
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OPP_INITIALIZER("mpu", true, 550000000, 1270000),
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/* MPU OPP5 */
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OPP_INITIALIZER("mpu", true, 600000000, 1350000),
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/*
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* L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is
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* almost the same than the one at 83MHz thus providing very little
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* gain for the power point of view. In term of energy it will even
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* increase the consumption due to the very negative performance
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* impact that frequency will do to the MPU and the whole system in
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* general.
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*/
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OPP_INITIALIZER("l3_main", false, 41500000, 975000),
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/* L3 OPP2 */
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OPP_INITIALIZER("l3_main", true, 83000000, 1050000),
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/* L3 OPP3 */
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OPP_INITIALIZER("l3_main", true, 166000000, 1150000),
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/* DSP OPP1 */
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OPP_INITIALIZER("iva", true, 90000000, 975000),
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/* DSP OPP2 */
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OPP_INITIALIZER("iva", true, 180000000, 1075000),
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/* DSP OPP3 */
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OPP_INITIALIZER("iva", true, 360000000, 1200000),
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/* DSP OPP4 */
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OPP_INITIALIZER("iva", true, 400000000, 1270000),
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/* DSP OPP5 */
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OPP_INITIALIZER("iva", true, 430000000, 1350000),
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};
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static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
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/* MPU OPP1 - OPP50 */
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OPP_INITIALIZER("mpu", true, 300000000, 1012500),
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/* MPU OPP2 - OPP100 */
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OPP_INITIALIZER("mpu", true, 600000000, 1200000),
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/* MPU OPP3 - OPP-Turbo */
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OPP_INITIALIZER("mpu", false, 800000000, 1325000),
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/* MPU OPP4 - OPP-SB */
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OPP_INITIALIZER("mpu", false, 1000000000, 1375000),
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/* L3 OPP1 - OPP50 */
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OPP_INITIALIZER("l3_main", true, 100000000, 1000000),
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/* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
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OPP_INITIALIZER("l3_main", true, 200000000, 1200000),
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/* DSP OPP1 - OPP50 */
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OPP_INITIALIZER("iva", true, 260000000, 1012500),
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/* DSP OPP2 - OPP100 */
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OPP_INITIALIZER("iva", true, 520000000, 1200000),
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/* DSP OPP3 - OPP-Turbo */
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OPP_INITIALIZER("iva", false, 660000000, 1325000),
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/* DSP OPP4 - OPP-SB */
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OPP_INITIALIZER("iva", false, 800000000, 1375000),
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};
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/**
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* omap3_opp_init() - initialize omap3 opp table
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*/
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int __init omap3_opp_init(void)
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{
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int r = -ENODEV;
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if (!cpu_is_omap34xx())
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return r;
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if (cpu_is_omap3630())
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r = omap_init_opp_table(omap36xx_opp_def_list,
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ARRAY_SIZE(omap36xx_opp_def_list));
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else
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r = omap_init_opp_table(omap34xx_opp_def_list,
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ARRAY_SIZE(omap34xx_opp_def_list));
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return r;
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}
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device_initcall(omap3_opp_init);
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