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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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173 lines
6.0 KiB
C
173 lines
6.0 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) 2010-2011 Nokia Corporation.
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* Eduardo Valentin
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* Paul Walmsley
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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 "control.h"
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#include "omap_opp_data.h"
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#include "pm.h"
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/* 34xx */
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/* VDD1 */
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#define OMAP3430_VDD_MPU_OPP1_UV 975000
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#define OMAP3430_VDD_MPU_OPP2_UV 1075000
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#define OMAP3430_VDD_MPU_OPP3_UV 1200000
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#define OMAP3430_VDD_MPU_OPP4_UV 1270000
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#define OMAP3430_VDD_MPU_OPP5_UV 1350000
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struct omap_volt_data omap34xx_vddmpu_volt_data[] = {
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VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD1, 0xf4, 0x0c),
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VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD1, 0xf4, 0x0c),
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VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD1, 0xf9, 0x18),
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VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP4_UV, OMAP343X_CONTROL_FUSE_OPP4_VDD1, 0xf9, 0x18),
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VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP5_UV, OMAP343X_CONTROL_FUSE_OPP5_VDD1, 0xf9, 0x18),
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VOLT_DATA_DEFINE(0, 0, 0, 0),
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};
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/* VDD2 */
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#define OMAP3430_VDD_CORE_OPP1_UV 975000
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#define OMAP3430_VDD_CORE_OPP2_UV 1050000
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#define OMAP3430_VDD_CORE_OPP3_UV 1150000
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struct omap_volt_data omap34xx_vddcore_volt_data[] = {
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VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD2, 0xf4, 0x0c),
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VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD2, 0xf4, 0x0c),
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VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD2, 0xf9, 0x18),
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VOLT_DATA_DEFINE(0, 0, 0, 0),
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};
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/* 36xx */
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/* VDD1 */
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#define OMAP3630_VDD_MPU_OPP50_UV 1012500
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#define OMAP3630_VDD_MPU_OPP100_UV 1200000
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#define OMAP3630_VDD_MPU_OPP120_UV 1325000
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#define OMAP3630_VDD_MPU_OPP1G_UV 1375000
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struct omap_volt_data omap36xx_vddmpu_volt_data[] = {
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VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD1, 0xf4, 0x0c),
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VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD1, 0xf9, 0x16),
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VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP120_UV, OMAP3630_CONTROL_FUSE_OPP120_VDD1, 0xfa, 0x23),
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VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP1G_UV, OMAP3630_CONTROL_FUSE_OPP1G_VDD1, 0xfa, 0x27),
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VOLT_DATA_DEFINE(0, 0, 0, 0),
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};
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/* VDD2 */
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#define OMAP3630_VDD_CORE_OPP50_UV 1000000
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#define OMAP3630_VDD_CORE_OPP100_UV 1200000
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struct omap_volt_data omap36xx_vddcore_volt_data[] = {
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VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD2, 0xf4, 0x0c),
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VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD2, 0xf9, 0x16),
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VOLT_DATA_DEFINE(0, 0, 0, 0),
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};
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/* OPP data */
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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, OMAP3430_VDD_MPU_OPP1_UV),
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/* MPU OPP2 */
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OPP_INITIALIZER("mpu", true, 250000000, OMAP3430_VDD_MPU_OPP2_UV),
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/* MPU OPP3 */
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OPP_INITIALIZER("mpu", true, 500000000, OMAP3430_VDD_MPU_OPP3_UV),
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/* MPU OPP4 */
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OPP_INITIALIZER("mpu", true, 550000000, OMAP3430_VDD_MPU_OPP4_UV),
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/* MPU OPP5 */
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OPP_INITIALIZER("mpu", true, 600000000, OMAP3430_VDD_MPU_OPP5_UV),
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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, OMAP3430_VDD_CORE_OPP1_UV),
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/* L3 OPP2 */
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OPP_INITIALIZER("l3_main", true, 83000000, OMAP3430_VDD_CORE_OPP2_UV),
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/* L3 OPP3 */
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OPP_INITIALIZER("l3_main", true, 166000000, OMAP3430_VDD_CORE_OPP3_UV),
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/* DSP OPP1 */
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OPP_INITIALIZER("iva", true, 90000000, OMAP3430_VDD_MPU_OPP1_UV),
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/* DSP OPP2 */
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OPP_INITIALIZER("iva", true, 180000000, OMAP3430_VDD_MPU_OPP2_UV),
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/* DSP OPP3 */
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OPP_INITIALIZER("iva", true, 360000000, OMAP3430_VDD_MPU_OPP3_UV),
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/* DSP OPP4 */
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OPP_INITIALIZER("iva", true, 400000000, OMAP3430_VDD_MPU_OPP4_UV),
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/* DSP OPP5 */
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OPP_INITIALIZER("iva", true, 430000000, OMAP3430_VDD_MPU_OPP5_UV),
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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, OMAP3630_VDD_MPU_OPP50_UV),
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/* MPU OPP2 - OPP100 */
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OPP_INITIALIZER("mpu", true, 600000000, OMAP3630_VDD_MPU_OPP100_UV),
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/* MPU OPP3 - OPP-Turbo */
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OPP_INITIALIZER("mpu", false, 800000000, OMAP3630_VDD_MPU_OPP120_UV),
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/* MPU OPP4 - OPP-SB */
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OPP_INITIALIZER("mpu", false, 1000000000, OMAP3630_VDD_MPU_OPP1G_UV),
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/* L3 OPP1 - OPP50 */
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OPP_INITIALIZER("l3_main", true, 100000000, OMAP3630_VDD_CORE_OPP50_UV),
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/* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
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OPP_INITIALIZER("l3_main", true, 200000000, OMAP3630_VDD_CORE_OPP100_UV),
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/* DSP OPP1 - OPP50 */
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OPP_INITIALIZER("iva", true, 260000000, OMAP3630_VDD_MPU_OPP50_UV),
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/* DSP OPP2 - OPP100 */
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OPP_INITIALIZER("iva", true, 520000000, OMAP3630_VDD_MPU_OPP100_UV),
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/* DSP OPP3 - OPP-Turbo */
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OPP_INITIALIZER("iva", false, 660000000, OMAP3630_VDD_MPU_OPP120_UV),
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/* DSP OPP4 - OPP-SB */
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OPP_INITIALIZER("iva", false, 800000000, OMAP3630_VDD_MPU_OPP1G_UV),
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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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