mirror of
https://github.com/torvalds/linux.git
synced 2024-12-26 21:02:19 +00:00
173 lines
6.0 KiB
C
173 lines
6.0 KiB
C
/*
|
|
* OMAP3 OPP table definitions.
|
|
*
|
|
* Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/
|
|
* Nishanth Menon
|
|
* Kevin Hilman
|
|
* Copyright (C) 2010-2011 Nokia Corporation.
|
|
* Eduardo Valentin
|
|
* Paul Walmsley
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
|
|
* kind, whether express or implied; without even the implied warranty
|
|
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
#include <linux/module.h>
|
|
|
|
#include <plat/cpu.h>
|
|
|
|
#include "control.h"
|
|
#include "omap_opp_data.h"
|
|
#include "pm.h"
|
|
|
|
/* 34xx */
|
|
|
|
/* VDD1 */
|
|
|
|
#define OMAP3430_VDD_MPU_OPP1_UV 975000
|
|
#define OMAP3430_VDD_MPU_OPP2_UV 1075000
|
|
#define OMAP3430_VDD_MPU_OPP3_UV 1200000
|
|
#define OMAP3430_VDD_MPU_OPP4_UV 1270000
|
|
#define OMAP3430_VDD_MPU_OPP5_UV 1350000
|
|
|
|
struct omap_volt_data omap34xx_vddmpu_volt_data[] = {
|
|
VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD1, 0xf4, 0x0c),
|
|
VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD1, 0xf4, 0x0c),
|
|
VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD1, 0xf9, 0x18),
|
|
VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP4_UV, OMAP343X_CONTROL_FUSE_OPP4_VDD1, 0xf9, 0x18),
|
|
VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP5_UV, OMAP343X_CONTROL_FUSE_OPP5_VDD1, 0xf9, 0x18),
|
|
VOLT_DATA_DEFINE(0, 0, 0, 0),
|
|
};
|
|
|
|
/* VDD2 */
|
|
|
|
#define OMAP3430_VDD_CORE_OPP1_UV 975000
|
|
#define OMAP3430_VDD_CORE_OPP2_UV 1050000
|
|
#define OMAP3430_VDD_CORE_OPP3_UV 1150000
|
|
|
|
struct omap_volt_data omap34xx_vddcore_volt_data[] = {
|
|
VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD2, 0xf4, 0x0c),
|
|
VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD2, 0xf4, 0x0c),
|
|
VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD2, 0xf9, 0x18),
|
|
VOLT_DATA_DEFINE(0, 0, 0, 0),
|
|
};
|
|
|
|
/* 36xx */
|
|
|
|
/* VDD1 */
|
|
|
|
#define OMAP3630_VDD_MPU_OPP50_UV 1012500
|
|
#define OMAP3630_VDD_MPU_OPP100_UV 1200000
|
|
#define OMAP3630_VDD_MPU_OPP120_UV 1325000
|
|
#define OMAP3630_VDD_MPU_OPP1G_UV 1375000
|
|
|
|
struct omap_volt_data omap36xx_vddmpu_volt_data[] = {
|
|
VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD1, 0xf4, 0x0c),
|
|
VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD1, 0xf9, 0x16),
|
|
VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP120_UV, OMAP3630_CONTROL_FUSE_OPP120_VDD1, 0xfa, 0x23),
|
|
VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP1G_UV, OMAP3630_CONTROL_FUSE_OPP1G_VDD1, 0xfa, 0x27),
|
|
VOLT_DATA_DEFINE(0, 0, 0, 0),
|
|
};
|
|
|
|
/* VDD2 */
|
|
|
|
#define OMAP3630_VDD_CORE_OPP50_UV 1000000
|
|
#define OMAP3630_VDD_CORE_OPP100_UV 1200000
|
|
|
|
struct omap_volt_data omap36xx_vddcore_volt_data[] = {
|
|
VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD2, 0xf4, 0x0c),
|
|
VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD2, 0xf9, 0x16),
|
|
VOLT_DATA_DEFINE(0, 0, 0, 0),
|
|
};
|
|
|
|
/* OPP data */
|
|
|
|
static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
|
|
/* MPU OPP1 */
|
|
OPP_INITIALIZER("mpu", true, 125000000, OMAP3430_VDD_MPU_OPP1_UV),
|
|
/* MPU OPP2 */
|
|
OPP_INITIALIZER("mpu", true, 250000000, OMAP3430_VDD_MPU_OPP2_UV),
|
|
/* MPU OPP3 */
|
|
OPP_INITIALIZER("mpu", true, 500000000, OMAP3430_VDD_MPU_OPP3_UV),
|
|
/* MPU OPP4 */
|
|
OPP_INITIALIZER("mpu", true, 550000000, OMAP3430_VDD_MPU_OPP4_UV),
|
|
/* MPU OPP5 */
|
|
OPP_INITIALIZER("mpu", true, 600000000, OMAP3430_VDD_MPU_OPP5_UV),
|
|
|
|
/*
|
|
* L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is
|
|
* almost the same than the one at 83MHz thus providing very little
|
|
* gain for the power point of view. In term of energy it will even
|
|
* increase the consumption due to the very negative performance
|
|
* impact that frequency will do to the MPU and the whole system in
|
|
* general.
|
|
*/
|
|
OPP_INITIALIZER("l3_main", false, 41500000, OMAP3430_VDD_CORE_OPP1_UV),
|
|
/* L3 OPP2 */
|
|
OPP_INITIALIZER("l3_main", true, 83000000, OMAP3430_VDD_CORE_OPP2_UV),
|
|
/* L3 OPP3 */
|
|
OPP_INITIALIZER("l3_main", true, 166000000, OMAP3430_VDD_CORE_OPP3_UV),
|
|
|
|
/* DSP OPP1 */
|
|
OPP_INITIALIZER("iva", true, 90000000, OMAP3430_VDD_MPU_OPP1_UV),
|
|
/* DSP OPP2 */
|
|
OPP_INITIALIZER("iva", true, 180000000, OMAP3430_VDD_MPU_OPP2_UV),
|
|
/* DSP OPP3 */
|
|
OPP_INITIALIZER("iva", true, 360000000, OMAP3430_VDD_MPU_OPP3_UV),
|
|
/* DSP OPP4 */
|
|
OPP_INITIALIZER("iva", true, 400000000, OMAP3430_VDD_MPU_OPP4_UV),
|
|
/* DSP OPP5 */
|
|
OPP_INITIALIZER("iva", true, 430000000, OMAP3430_VDD_MPU_OPP5_UV),
|
|
};
|
|
|
|
static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
|
|
/* MPU OPP1 - OPP50 */
|
|
OPP_INITIALIZER("mpu", true, 300000000, OMAP3630_VDD_MPU_OPP50_UV),
|
|
/* MPU OPP2 - OPP100 */
|
|
OPP_INITIALIZER("mpu", true, 600000000, OMAP3630_VDD_MPU_OPP100_UV),
|
|
/* MPU OPP3 - OPP-Turbo */
|
|
OPP_INITIALIZER("mpu", false, 800000000, OMAP3630_VDD_MPU_OPP120_UV),
|
|
/* MPU OPP4 - OPP-SB */
|
|
OPP_INITIALIZER("mpu", false, 1000000000, OMAP3630_VDD_MPU_OPP1G_UV),
|
|
|
|
/* L3 OPP1 - OPP50 */
|
|
OPP_INITIALIZER("l3_main", true, 100000000, OMAP3630_VDD_CORE_OPP50_UV),
|
|
/* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
|
|
OPP_INITIALIZER("l3_main", true, 200000000, OMAP3630_VDD_CORE_OPP100_UV),
|
|
|
|
/* DSP OPP1 - OPP50 */
|
|
OPP_INITIALIZER("iva", true, 260000000, OMAP3630_VDD_MPU_OPP50_UV),
|
|
/* DSP OPP2 - OPP100 */
|
|
OPP_INITIALIZER("iva", true, 520000000, OMAP3630_VDD_MPU_OPP100_UV),
|
|
/* DSP OPP3 - OPP-Turbo */
|
|
OPP_INITIALIZER("iva", false, 660000000, OMAP3630_VDD_MPU_OPP120_UV),
|
|
/* DSP OPP4 - OPP-SB */
|
|
OPP_INITIALIZER("iva", false, 800000000, OMAP3630_VDD_MPU_OPP1G_UV),
|
|
};
|
|
|
|
/**
|
|
* omap3_opp_init() - initialize omap3 opp table
|
|
*/
|
|
int __init omap3_opp_init(void)
|
|
{
|
|
int r = -ENODEV;
|
|
|
|
if (!cpu_is_omap34xx())
|
|
return r;
|
|
|
|
if (cpu_is_omap3630())
|
|
r = omap_init_opp_table(omap36xx_opp_def_list,
|
|
ARRAY_SIZE(omap36xx_opp_def_list));
|
|
else
|
|
r = omap_init_opp_table(omap34xx_opp_def_list,
|
|
ARRAY_SIZE(omap34xx_opp_def_list));
|
|
|
|
return r;
|
|
}
|
|
device_initcall(omap3_opp_init);
|