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/*
* OMAP3 resource init/change_level/validate_level functions
*
* Copyright (C) 2009 - 2010 Texas Instruments Incorporated.
* Nishanth Menon
* Copyright (C) 2009 - 2010 Deep Root Systems, LLC.
* 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 PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
* History:
*
*/
#include <linux/module.h>
#include <linux/err.h>
#include <plat/opp.h>
#include <plat/cpu.h>
#include "omap3-opp.h"
static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
/* MPU OPP1 */
OMAP_OPP_DEF("mpu", true, 125000000, 975000),
/* MPU OPP2 */
OMAP_OPP_DEF("mpu", true, 250000000, 1075000),
/* MPU OPP3 */
OMAP_OPP_DEF("mpu", true, 500000000, 1200000),
/* MPU OPP4 */
OMAP_OPP_DEF("mpu", true, 550000000, 1270000),
/* MPU OPP5 */
OMAP_OPP_DEF("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.
*/
OMAP_OPP_DEF("l3_main", false, 41500000, 975000),
/* L3 OPP2 */
OMAP_OPP_DEF("l3_main", true, 83000000, 1050000),
/* L3 OPP3 */
OMAP_OPP_DEF("l3_main", true, 166000000, 1150000),
/* DSP OPP1 */
OMAP_OPP_DEF("iva", true, 90000000, 975000),
/* DSP OPP2 */
OMAP_OPP_DEF("iva", true, 180000000, 1075000),
/* DSP OPP3 */
OMAP_OPP_DEF("iva", true, 360000000, 1200000),
/* DSP OPP4 */
OMAP_OPP_DEF("iva", true, 400000000, 1270000),
/* DSP OPP5 */
OMAP_OPP_DEF("iva", true, 430000000, 1350000),
};
static u32 omap34xx_opp_def_size = ARRAY_SIZE(omap34xx_opp_def_list);
static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
/* MPU OPP1 - OPP50 */
OMAP_OPP_DEF("mpu", true, 300000000, 930000),
/* MPU OPP2 - OPP100 */
OMAP_OPP_DEF("mpu", true, 600000000, 1100000),
/* MPU OPP3 - OPP-Turbo */
OMAP_OPP_DEF("mpu", false, 800000000, 1260000),
/* MPU OPP4 - OPP-SB */
OMAP_OPP_DEF("mpu", false, 1000000000, 1350000),
/* L3 OPP1 - OPP50 */
OMAP_OPP_DEF("l3_main", true, 100000000, 930000),
/* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
OMAP_OPP_DEF("l3_main", true, 200000000, 1137500),
/* DSP OPP1 - OPP50 */
OMAP_OPP_DEF("iva", true, 260000000, 930000),
/* DSP OPP2 - OPP100 */
OMAP_OPP_DEF("iva", true, 520000000, 1100000),
/* DSP OPP3 - OPP-Turbo */
OMAP_OPP_DEF("iva", false, 660000000, 1260000),
/* DSP OPP4 - OPP-SB */
OMAP_OPP_DEF("iva", false, 800000000, 1350000),
};
static u32 omap36xx_opp_def_size = ARRAY_SIZE(omap36xx_opp_def_list);
static struct omap_opp_def __initdata omap44xx_opp_def_list[] = {
/* MPU OPP1 - OPP50 */
OMAP_OPP_DEF("mpu", true, 300000000, 930000),
/* MPU OPP2 - OPP100 */
OMAP_OPP_DEF("mpu", true, 600000000, 1100000),
/* MPU OPP3 - OPP-Turbo */
OMAP_OPP_DEF("mpu", true, 800000000, 1260000),
/* MPU OPP4 - OPP-SB */
OMAP_OPP_DEF("mpu", true, 1008000000, 1350000),
/* IVA OPP1 - OPP50 */
OMAP_OPP_DEF("iva", true, 133028570, 930000),
/* IVA OPP2 - OPP100 */
OMAP_OPP_DEF("iva", true, 266057142, 1100000),
/* IVA OPP3 - OPP-Turbo */
OMAP_OPP_DEF("iva", false, 332000000, 1260000),
/* L3 OPP1 - OPP50 */
OMAP_OPP_DEF("l3_main_1", true, 100000000, 930000),
/* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
OMAP_OPP_DEF("l3_main_1", true, 200000000, 1100000),
};
static u32 omap44xx_opp_def_size = ARRAY_SIZE(omap44xx_opp_def_list);
/* Temp variable to allow multiple calls */
static u8 __initdata omap3_table_init;
int __init omap3_pm_init_opp_table(void)
{
struct omap_opp_def *opp_def, *omap3_opp_def_list;
u32 omap_opp_def_size;
int i, r;
/*
* Allow multiple calls, but initialize only if not already initalized
* even if the previous call failed, coz, no reason we'd succeed again
*/
if (omap3_table_init)
return 0;
omap3_table_init = 1;
if (cpu_is_omap44xx()) {
opp_def = omap44xx_opp_def_list;
omap_opp_def_size = omap44xx_opp_def_size;
} else {
omap3_opp_def_list = cpu_is_omap3630() ? omap36xx_opp_def_list :
omap34xx_opp_def_list;
omap_opp_def_size = cpu_is_omap3630() ? omap36xx_opp_def_size :
omap34xx_opp_def_size;
opp_def = omap3_opp_def_list;
}
for (i = 0; i < omap_opp_def_size; i++) {
r = opp_add(opp_def++);
if (r)
pr_err("unable to add OPP %ld Hz for %s\n",
opp_def->freq, opp_def->hwmod_name);
}
return 0;
}
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