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