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/*
* OMAP3/OMAP4 Voltage Management Routines
*
* Author: Thara Gopinath <thara@ti.com>
*
* Copyright (C) 2007 Texas Instruments, Inc.
* Rajendra Nayak <rnayak@ti.com>
* Lesly A M <x0080970@ti.com>
*
* Copyright (C) 2008 Nokia Corporation
* Kalle Jokiniemi
*
* Copyright (C) 2010 Texas Instruments, Inc.
* Thara Gopinath <thara@ti.com>
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/init.h>
#include <plat/common.h>
#include "prm-regbits-44xx.h"
#include "prm44xx.h"
#include "prcm44xx.h"
#include "prminst44xx.h"
#include "voltage.h"
#include "omap_opp_data.h"
#include "vc.h"
#include "vp.h"
static const struct omap_vfsm_instance_data omap4_vdd_mpu_vfsm_data = {
.voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
};
static struct omap_vdd_info omap4_vdd_mpu_info = {
.vp_data = &omap4_vp_mpu_data,
.vc_data = &omap4_vc_mpu_data,
.vfsm = &omap4_vdd_mpu_vfsm_data,
.voltdm = {
.name = "mpu",
},
};
static const struct omap_vfsm_instance_data omap4_vdd_iva_vfsm_data = {
.voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET,
};
static struct omap_vdd_info omap4_vdd_iva_info = {
.vp_data = &omap4_vp_iva_data,
.vc_data = &omap4_vc_iva_data,
.vfsm = &omap4_vdd_iva_vfsm_data,
.voltdm = {
.name = "iva",
},
};
static const struct omap_vfsm_instance_data omap4_vdd_core_vfsm_data = {
.voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
};
static struct omap_vdd_info omap4_vdd_core_info = {
.vp_data = &omap4_vp_core_data,
.vc_data = &omap4_vc_core_data,
.vfsm = &omap4_vdd_core_vfsm_data,
.voltdm = {
.name = "core",
},
};
/* OMAP4 VDD structures */
static struct omap_vdd_info *omap4_vdd_info[] = {
&omap4_vdd_mpu_info,
&omap4_vdd_iva_info,
&omap4_vdd_core_info,
};
/* OMAP4 specific voltage init functions */
static int __init omap44xx_voltage_early_init(void)
{
s16 prm_mod = OMAP4430_PRM_DEVICE_INST;
s16 prm_irqst_ocp_mod = OMAP4430_PRM_OCP_SOCKET_INST;
if (!cpu_is_omap44xx())
return 0;
/*
* XXX Will depend on the process, validation, and binning
* for the currently-running IC
*/
omap4_vdd_mpu_info.volt_data = omap44xx_vdd_mpu_volt_data;
omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data;
omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data;
return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod,
omap4_vdd_info,
ARRAY_SIZE(omap4_vdd_info));
};
core_initcall(omap44xx_voltage_early_init);
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