Pileus Git - ~andy/linux/blob - arch/arm/mach-omap2/voltagedomains3xxx_data.c

   1 /*
   2  * OMAP3 voltage domain data
   3  *
   4  * Copyright (C) 2007, 2010 Texas Instruments, Inc.
   5  * Rajendra Nayak <rnayak@ti.com>
   6  * Lesly A M <x0080970@ti.com>
   7  * Thara Gopinath <thara@ti.com>
   8  *
   9  * Copyright (C) 2008, 2011 Nokia Corporation
  10  * Kalle Jokiniemi
  11  * Paul Walmsley
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License version 2 as
  15  * published by the Free Software Foundation.
  16  */
  17 #include <linux/kernel.h>
  18 #include <linux/err.h>
  19 #include <linux/init.h>
  20
  21 #include <plat/common.h>
  22 #include <plat/cpu.h>
  23
  24 #include "prm-regbits-34xx.h"
  25 #include "omap_opp_data.h"
  26 #include "voltage.h"
  27 #include "vc.h"
  28 #include "vp.h"
  29
  30 /*
  31  * VDD data
  32  */
  33
  34 static const struct omap_vfsm_instance_data omap3_vdd1_vfsm_data = {
  35         .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
  36         .voltsetup_shift = OMAP3430_SETUP_TIME1_SHIFT,
  37         .voltsetup_mask = OMAP3430_SETUP_TIME1_MASK,
  38 };
  39
  40 static struct omap_vdd_info omap3_vdd1_info = {
  41         .vp_data = &omap3_vp1_data,
  42         .vfsm = &omap3_vdd1_vfsm_data,
  43 };
  44
  45 static const struct omap_vfsm_instance_data omap3_vdd2_vfsm_data = {
  46         .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
  47         .voltsetup_shift = OMAP3430_SETUP_TIME2_SHIFT,
  48         .voltsetup_mask = OMAP3430_SETUP_TIME2_MASK,
  49 };
  50
  51 static struct omap_vdd_info omap3_vdd2_info = {
  52         .vp_data = &omap3_vp2_data,
  53         .vfsm = &omap3_vdd2_vfsm_data,
  54 };
  55
  56 static struct voltagedomain omap3_voltdm_mpu = {
  57         .name = "mpu_iva",
  58         .scalable = true,
  59         .read = omap3_prm_vcvp_read,
  60         .write = omap3_prm_vcvp_write,
  61         .rmw = omap3_prm_vcvp_rmw,
  62         .vc = &omap3_vc_mpu,
  63         .vdd = &omap3_vdd1_info,
  64 };
  65
  66 static struct voltagedomain omap3_voltdm_core = {
  67         .name = "core",
  68         .scalable = true,
  69         .read = omap3_prm_vcvp_read,
  70         .write = omap3_prm_vcvp_write,
  71         .rmw = omap3_prm_vcvp_rmw,
  72         .vc = &omap3_vc_core,
  73         .vdd = &omap3_vdd2_info,
  74 };
  75
  76 static struct voltagedomain omap3_voltdm_wkup = {
  77         .name = "wakeup",
  78 };
  79
  80 static struct voltagedomain *voltagedomains_omap3[] __initdata = {
  81         &omap3_voltdm_mpu,
  82         &omap3_voltdm_core,
  83         &omap3_voltdm_wkup,
  84         NULL,
  85 };
  86
  87 void __init omap3xxx_voltagedomains_init(void)
  88 {
  89         /*
  90          * XXX Will depend on the process, validation, and binning
  91          * for the currently-running IC
  92          */
  93         if (cpu_is_omap3630()) {
  94                 omap3_vdd1_info.volt_data = omap36xx_vddmpu_volt_data;
  95                 omap3_vdd2_info.volt_data = omap36xx_vddcore_volt_data;
  96         } else {
  97                 omap3_vdd1_info.volt_data = omap34xx_vddmpu_volt_data;
  98                 omap3_vdd2_info.volt_data = omap34xx_vddcore_volt_data;
  99         }
 100
 101         voltdm_init(voltagedomains_omap3);
 102 };