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Paul Walmsleyc0718df2011-03-10 22:17:45 -07001/*
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 = {
Kevin Hilmana7460daf2011-03-16 13:35:22 -070040 .prm_irqst_mod = OMAP4430_PRM_OCP_SOCKET_INST,
Kevin Hilmanc39263c2011-03-16 17:20:35 -070041 .prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_2_OFFSET,
Paul Walmsleyc0718df2011-03-10 22:17:45 -070042 .vp_data = &omap4_vp_mpu_data,
43 .vc_data = &omap4_vc_mpu_data,
44 .vfsm = &omap4_vdd_mpu_vfsm_data,
Paul Walmsleyc0718df2011-03-10 22:17:45 -070045};
46
47static const struct omap_vfsm_instance_data omap4_vdd_iva_vfsm_data = {
48 .voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET,
49};
50
51static struct omap_vdd_info omap4_vdd_iva_info = {
Kevin Hilmana7460daf2011-03-16 13:35:22 -070052 .prm_irqst_mod = OMAP4430_PRM_OCP_SOCKET_INST,
Kevin Hilmanc39263c2011-03-16 17:20:35 -070053 .prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_OFFSET,
Paul Walmsleyc0718df2011-03-10 22:17:45 -070054 .vp_data = &omap4_vp_iva_data,
55 .vc_data = &omap4_vc_iva_data,
56 .vfsm = &omap4_vdd_iva_vfsm_data,
Paul Walmsleyc0718df2011-03-10 22:17:45 -070057};
58
59static const struct omap_vfsm_instance_data omap4_vdd_core_vfsm_data = {
60 .voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
61};
62
63static struct omap_vdd_info omap4_vdd_core_info = {
Kevin Hilmana7460daf2011-03-16 13:35:22 -070064 .prm_irqst_mod = OMAP4430_PRM_OCP_SOCKET_INST,
Kevin Hilmanc39263c2011-03-16 17:20:35 -070065 .prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_OFFSET,
Paul Walmsleyc0718df2011-03-10 22:17:45 -070066 .vp_data = &omap4_vp_core_data,
67 .vc_data = &omap4_vc_core_data,
68 .vfsm = &omap4_vdd_core_vfsm_data,
Paul Walmsleyc0718df2011-03-10 22:17:45 -070069};
70
Kevin Hilman81a60482011-03-16 14:25:45 -070071static struct voltagedomain omap4_voltdm_mpu = {
72 .name = "mpu",
73 .vdd = &omap4_vdd_mpu_info,
Paul Walmsleyc0718df2011-03-10 22:17:45 -070074};
75
Kevin Hilman81a60482011-03-16 14:25:45 -070076static struct voltagedomain omap4_voltdm_iva = {
77 .name = "iva",
78 .vdd = &omap4_vdd_iva_info,
79};
80
81static struct voltagedomain omap4_voltdm_core = {
82 .name = "core",
83 .vdd = &omap4_vdd_core_info,
84};
85
86static struct voltagedomain *voltagedomains_omap4[] __initdata = {
87 &omap4_voltdm_mpu,
88 &omap4_voltdm_iva,
89 &omap4_voltdm_core,
90 NULL,
91};
92
93void __init omap44xx_voltagedomains_init(void)
Paul Walmsleyc0718df2011-03-10 22:17:45 -070094{
Paul Walmsleyc0718df2011-03-10 22:17:45 -070095 /*
96 * XXX Will depend on the process, validation, and binning
97 * for the currently-running IC
98 */
99 omap4_vdd_mpu_info.volt_data = omap44xx_vdd_mpu_volt_data;
100 omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data;
101 omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data;
102
Kevin Hilman81a60482011-03-16 14:25:45 -0700103 voltdm_init(voltagedomains_omap4);
Paul Walmsleyc0718df2011-03-10 22:17:45 -0700104};