fd1478cd61
Add OPP data for OMAP34xx and OMAP36xx and initialization functions to populate OPP tables based on current SoC. introduce an OMAP generic opp initialization routine which OMAP3 and OMAP4+ SoCs can use to register their OPP definitions. Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/*
|
|
* OMAP3 OPP table definitions.
|
|
*
|
|
* Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/
|
|
* Nishanth Menon
|
|
* Kevin Hilman
|
|
* Copyright (C) 2010 Nokia Corporation.
|
|
* Eduardo Valentin
|
|
*
|
|
* 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 "omap_opp_data.h"
|
|
|
|
static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
|
|
/* MPU OPP1 */
|
|
OPP_INITIALIZER("mpu", true, 125000000, 975000),
|
|
/* MPU OPP2 */
|
|
OPP_INITIALIZER("mpu", true, 250000000, 1075000),
|
|
/* MPU OPP3 */
|
|
OPP_INITIALIZER("mpu", true, 500000000, 1200000),
|
|
/* MPU OPP4 */
|
|
OPP_INITIALIZER("mpu", true, 550000000, 1270000),
|
|
/* MPU OPP5 */
|
|
OPP_INITIALIZER("mpu", true, 600000000, 1350000),
|
|
|
|
/*
|
|
* 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, 975000),
|
|
/* L3 OPP2 */
|
|
OPP_INITIALIZER("l3_main", true, 83000000, 1050000),
|
|
/* L3 OPP3 */
|
|
OPP_INITIALIZER("l3_main", true, 166000000, 1150000),
|
|
|
|
/* DSP OPP1 */
|
|
OPP_INITIALIZER("iva", true, 90000000, 975000),
|
|
/* DSP OPP2 */
|
|
OPP_INITIALIZER("iva", true, 180000000, 1075000),
|
|
/* DSP OPP3 */
|
|
OPP_INITIALIZER("iva", true, 360000000, 1200000),
|
|
/* DSP OPP4 */
|
|
OPP_INITIALIZER("iva", true, 400000000, 1270000),
|
|
/* DSP OPP5 */
|
|
OPP_INITIALIZER("iva", true, 430000000, 1350000),
|
|
};
|
|
|
|
static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
|
|
/* MPU OPP1 - OPP50 */
|
|
OPP_INITIALIZER("mpu", true, 300000000, 1012500),
|
|
/* MPU OPP2 - OPP100 */
|
|
OPP_INITIALIZER("mpu", true, 600000000, 1200000),
|
|
/* MPU OPP3 - OPP-Turbo */
|
|
OPP_INITIALIZER("mpu", false, 800000000, 1325000),
|
|
/* MPU OPP4 - OPP-SB */
|
|
OPP_INITIALIZER("mpu", false, 1000000000, 1375000),
|
|
|
|
/* L3 OPP1 - OPP50 */
|
|
OPP_INITIALIZER("l3_main", true, 100000000, 1000000),
|
|
/* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
|
|
OPP_INITIALIZER("l3_main", true, 200000000, 1200000),
|
|
|
|
/* DSP OPP1 - OPP50 */
|
|
OPP_INITIALIZER("iva", true, 260000000, 1012500),
|
|
/* DSP OPP2 - OPP100 */
|
|
OPP_INITIALIZER("iva", true, 520000000, 1200000),
|
|
/* DSP OPP3 - OPP-Turbo */
|
|
OPP_INITIALIZER("iva", false, 660000000, 1325000),
|
|
/* DSP OPP4 - OPP-SB */
|
|
OPP_INITIALIZER("iva", false, 800000000, 1375000),
|
|
};
|
|
|
|
/**
|
|
* omap3_opp_init() - initialize omap3 opp table
|
|
*/
|
|
static 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);
|