arch/arm/mach-omap2/vp44xx_data.c

   1 /*
   2  * OMAP3 Voltage Processor (VP) 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
  18 #include <linux/io.h>
  19 #include <linux/err.h>
  20 #include <linux/init.h>
  21
  22 #include <plat/common.h>
  23
  24 #include "pm.h"
  25 #include "prm44xx.h"
  26 #include "prm-regbits-44xx.h"
  27 #include "voltage.h"
  28
  29 #include "vp.h"
  30
  31 /* OMAP4 is hooked such that only a cold reset will reset VP */
  32 static void omap4_vp_recover(u8 vp_id)
  33 {
  34         omap4_pm_cold_reset("Voltage Processor Recovery");
  35 }
  36
  37 static const struct omap_vp_ops omap4_vp_ops = {
  38         .check_txdone = omap4_prm_vp_check_txdone,
  39         .clear_txdone = omap4_prm_vp_clear_txdone,
  40         .recover = omap4_vp_recover,
  41 };
  42
  43 /*
  44  * VP data common to 44xx chips
  45  * XXX This stuff presumably belongs in the vp44xx.c or vp.c file.
  46  */
  47 static const struct omap_vp_common omap4_vp_common = {
  48         .vpconfig_erroroffset_mask = OMAP4430_ERROROFFSET_MASK,
  49         .vpconfig_errorgain_mask = OMAP4430_ERRORGAIN_MASK,
  50         .vpconfig_initvoltage_mask = OMAP4430_INITVOLTAGE_MASK,
  51         .vpconfig_timeouten = OMAP4430_TIMEOUTEN_MASK,
  52         .vpconfig_initvdd = OMAP4430_INITVDD_MASK,
  53         .vpconfig_forceupdate = OMAP4430_FORCEUPDATE_MASK,
  54         .vpconfig_vpenable = OMAP4430_VPENABLE_MASK,
  55         .vstatus_vpidle = OMAP4430_VPINIDLE_MASK,
  56         .vstepmin_smpswaittimemin_shift = OMAP4430_SMPSWAITTIMEMIN_SHIFT,
  57         .vstepmax_smpswaittimemax_shift = OMAP4430_SMPSWAITTIMEMAX_SHIFT,
  58         .vstepmin_stepmin_shift = OMAP4430_VSTEPMIN_SHIFT,
  59         .vstepmax_stepmax_shift = OMAP4430_VSTEPMAX_SHIFT,
  60         .vlimitto_vddmin_shift = OMAP4430_VDDMIN_SHIFT,
  61         .vlimitto_vddmax_shift = OMAP4430_VDDMAX_SHIFT,
  62         .vlimitto_timeout_shift = OMAP4430_TIMEOUT_SHIFT,
  63         .vpvoltage_mask = OMAP4430_VPVOLTAGE_MASK,
  64         .ops = &omap4_vp_ops,
  65 };
  66
  67 struct omap_vp_instance omap4_vp_mpu = {
  68         .id = OMAP4_PRM_IRQ_VDD_MPU_ID,
  69         .common = &omap4_vp_common,
  70         .vpconfig = OMAP4_PRM_VP_MPU_CONFIG_OFFSET,
  71         .vstepmin = OMAP4_PRM_VP_MPU_VSTEPMIN_OFFSET,
  72         .vstepmax = OMAP4_PRM_VP_MPU_VSTEPMAX_OFFSET,
  73         .vlimitto = OMAP4_PRM_VP_MPU_VLIMITTO_OFFSET,
  74         .vstatus = OMAP4_PRM_VP_MPU_STATUS_OFFSET,
  75         .voltage = OMAP4_PRM_VP_MPU_VOLTAGE_OFFSET,
  76 };
  77
  78 struct omap_vp_instance omap4_vp_iva = {
  79         .id = OMAP4_PRM_IRQ_VDD_IVA_ID,
  80         .common = &omap4_vp_common,
  81         .vpconfig = OMAP4_PRM_VP_IVA_CONFIG_OFFSET,
  82         .vstepmin = OMAP4_PRM_VP_IVA_VSTEPMIN_OFFSET,
  83         .vstepmax = OMAP4_PRM_VP_IVA_VSTEPMAX_OFFSET,
  84         .vlimitto = OMAP4_PRM_VP_IVA_VLIMITTO_OFFSET,
  85         .vstatus = OMAP4_PRM_VP_IVA_STATUS_OFFSET,
  86         .voltage = OMAP4_PRM_VP_IVA_VOLTAGE_OFFSET,
  87 };
  88
  89 struct omap_vp_instance omap4_vp_core = {
  90         .id = OMAP4_PRM_IRQ_VDD_CORE_ID,
  91         .common = &omap4_vp_common,
  92         .vpconfig = OMAP4_PRM_VP_CORE_CONFIG_OFFSET,
  93         .vstepmin = OMAP4_PRM_VP_CORE_VSTEPMIN_OFFSET,
  94         .vstepmax = OMAP4_PRM_VP_CORE_VSTEPMAX_OFFSET,
  95         .vlimitto = OMAP4_PRM_VP_CORE_VLIMITTO_OFFSET,
  96         .vstatus = OMAP4_PRM_VP_CORE_STATUS_OFFSET,
  97         .voltage = OMAP4_PRM_VP_CORE_VOLTAGE_OFFSET,
  98 };