/arch/arm/mach-omap2/voltagedomains44xx_data.c

  1/*
  2 * OMAP3/OMAP4 Voltage Management Routines
  3 *
  4 * Author: Thara Gopinath	<thara@ti.com>
  5 *
  6 * Copyright (C) 2007 Texas Instruments, Inc.
  7 * Rajendra Nayak <rnayak@ti.com>
  8 * Lesly A M <x0080970@ti.com>
  9 *
 10 * Copyright (C) 2008 Nokia Corporation
 11 * Kalle Jokiniemi
 12 *
 13 * Copyright (C) 2010 Texas Instruments, Inc.
 14 * Thara Gopinath <thara@ti.com>
 15 *
 16 * This program is free software; you can redistribute it and/or modify
 17 * it under the terms of the GNU General Public License version 2 as
 18 * published by the Free Software Foundation.
 19 */
 20#include <linux/kernel.h>
 21#include <linux/err.h>
 22#include <linux/init.h>
 23
 24#include <plat/common.h>
 25
 26#include "prm-regbits-44xx.h"
 27#include "prm44xx.h"
 28#include "prcm44xx.h"
 29#include "prminst44xx.h"
 30#include "voltage.h"
 31#include "omap_opp_data.h"
 32#include "vc.h"
 33#include "vp.h"
 34
 35static const struct omap_vfsm_instance_data omap4_vdd_mpu_vfsm_data = {
 36	.voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
 37};
 38
 39static struct omap_vdd_info omap4_vdd_mpu_info = {
 40	.vp_data = &omap4_vp_mpu_data,
 41	.vc_data = &omap4_vc_mpu_data,
 42	.vfsm = &omap4_vdd_mpu_vfsm_data,
 43	.voltdm = {
 44		.name = "mpu",
 45	},
 46};
 47
 48static const struct omap_vfsm_instance_data omap4_vdd_iva_vfsm_data = {
 49	.voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET,
 50};
 51
 52static struct omap_vdd_info omap4_vdd_iva_info = {
 53	.vp_data = &omap4_vp_iva_data,
 54	.vc_data = &omap4_vc_iva_data,
 55	.vfsm = &omap4_vdd_iva_vfsm_data,
 56	.voltdm = {
 57		.name = "iva",
 58	},
 59};
 60
 61static const struct omap_vfsm_instance_data omap4_vdd_core_vfsm_data = {
 62	.voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
 63};
 64
 65static struct omap_vdd_info omap4_vdd_core_info = {
 66	.vp_data = &omap4_vp_core_data,
 67	.vc_data = &omap4_vc_core_data,
 68	.vfsm = &omap4_vdd_core_vfsm_data,
 69	.voltdm = {
 70		.name = "core",
 71	},
 72};
 73
 74/* OMAP4 VDD structures */
 75static struct omap_vdd_info *omap4_vdd_info[] = {
 76	&omap4_vdd_mpu_info,
 77	&omap4_vdd_iva_info,
 78	&omap4_vdd_core_info,
 79};
 80
 81/* OMAP4 specific voltage init functions */
 82static int __init omap44xx_voltage_early_init(void)
 83{
 84	s16 prm_mod = OMAP4430_PRM_DEVICE_INST;
 85	s16 prm_irqst_ocp_mod = OMAP4430_PRM_OCP_SOCKET_INST;
 86
 87	if (!cpu_is_omap44xx())
 88		return 0;
 89
 90	/*
 91	 * XXX Will depend on the process, validation, and binning
 92	 * for the currently-running IC
 93	 */
 94	omap4_vdd_mpu_info.volt_data = omap44xx_vdd_mpu_volt_data;
 95	omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data;
 96	omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data;
 97
 98	return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod,
 99				       omap4_vdd_info,
100				       ARRAY_SIZE(omap4_vdd_info));
101};
102core_initcall(omap44xx_voltage_early_init);