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@@ -7,8 +7,9 @@
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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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+ * Copyright (C) 2008, 2011 Nokia Corporation
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* Kalle Jokiniemi
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+ * Paul Walmsley
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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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@@ -26,7 +27,6 @@
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#include <linux/slab.h>
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#include <plat/common.h>
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-#include <plat/voltage.h>
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#include "prm-regbits-34xx.h"
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#include "prm-regbits-44xx.h"
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@@ -35,284 +35,30 @@
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#include "prminst44xx.h"
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#include "control.h"
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-#define VP_IDLE_TIMEOUT 200
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-#define VP_TRANXDONE_TIMEOUT 300
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+#include "voltage.h"
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+
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+#include "vc.h"
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+#include "vp.h"
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+
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#define VOLTAGE_DIR_SIZE 16
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-/* Voltage processor register offsets */
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-struct vp_reg_offs {
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- u8 vpconfig;
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- u8 vstepmin;
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- u8 vstepmax;
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- u8 vlimitto;
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- u8 vstatus;
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- u8 voltage;
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-};
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-
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-/* Voltage Processor bit field values, shifts and masks */
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-struct vp_reg_val {
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- /* PRM module */
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- u16 prm_mod;
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- /* VPx_VPCONFIG */
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- u32 vpconfig_erroroffset;
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- u16 vpconfig_errorgain;
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- u32 vpconfig_errorgain_mask;
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- u8 vpconfig_errorgain_shift;
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- u32 vpconfig_initvoltage_mask;
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- u8 vpconfig_initvoltage_shift;
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- u32 vpconfig_timeouten;
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- u32 vpconfig_initvdd;
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- u32 vpconfig_forceupdate;
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- u32 vpconfig_vpenable;
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- /* VPx_VSTEPMIN */
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- u8 vstepmin_stepmin;
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- u16 vstepmin_smpswaittimemin;
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- u8 vstepmin_stepmin_shift;
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- u8 vstepmin_smpswaittimemin_shift;
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- /* VPx_VSTEPMAX */
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- u8 vstepmax_stepmax;
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- u16 vstepmax_smpswaittimemax;
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- u8 vstepmax_stepmax_shift;
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- u8 vstepmax_smpswaittimemax_shift;
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- /* VPx_VLIMITTO */
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- u8 vlimitto_vddmin;
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- u8 vlimitto_vddmax;
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- u16 vlimitto_timeout;
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- u8 vlimitto_vddmin_shift;
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- u8 vlimitto_vddmax_shift;
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- u8 vlimitto_timeout_shift;
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- /* PRM_IRQSTATUS*/
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- u32 tranxdone_status;
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-};
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-
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-/* Voltage controller registers and offsets */
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-struct vc_reg_info {
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- /* PRM module */
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- u16 prm_mod;
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- /* VC register offsets */
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- u8 smps_sa_reg;
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- u8 smps_volra_reg;
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- u8 bypass_val_reg;
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- u8 cmdval_reg;
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- u8 voltsetup_reg;
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- /*VC_SMPS_SA*/
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- u8 smps_sa_shift;
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- u32 smps_sa_mask;
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- /* VC_SMPS_VOL_RA */
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- u8 smps_volra_shift;
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- u32 smps_volra_mask;
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- /* VC_BYPASS_VAL */
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- u8 data_shift;
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- u8 slaveaddr_shift;
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- u8 regaddr_shift;
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- u32 valid;
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- /* VC_CMD_VAL */
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- u8 cmd_on_shift;
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- u8 cmd_onlp_shift;
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- u8 cmd_ret_shift;
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- u8 cmd_off_shift;
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- u32 cmd_on_mask;
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- /* PRM_VOLTSETUP */
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- u8 voltsetup_shift;
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- u32 voltsetup_mask;
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-};
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-/**
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- * omap_vdd_info - Per Voltage Domain info
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- *
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- * @volt_data : voltage table having the distinct voltages supported
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- * by the domain and other associated per voltage data.
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- * @pmic_info : pmic specific parameters which should be populted by
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- * the pmic drivers.
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- * @vp_offs : structure containing the offsets for various
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- * vp registers
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- * @vp_reg : the register values, shifts, masks for various
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- * vp registers
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- * @vc_reg : structure containing various various vc registers,
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- * shifts, masks etc.
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- * @voltdm : pointer to the voltage domain structure
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- * @debug_dir : debug directory for this voltage domain.
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- * @curr_volt : current voltage for this vdd.
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- * @ocp_mod : The prm module for accessing the prm irqstatus reg.
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- * @prm_irqst_reg : prm irqstatus register.
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- * @vp_enabled : flag to keep track of whether vp is enabled or not
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- * @volt_scale : API to scale the voltage of the vdd.
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- */
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-struct omap_vdd_info {
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- struct omap_volt_data *volt_data;
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- struct omap_volt_pmic_info *pmic_info;
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- struct vp_reg_offs vp_offs;
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- struct vp_reg_val vp_reg;
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- struct vc_reg_info vc_reg;
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- struct voltagedomain voltdm;
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- struct dentry *debug_dir;
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- u32 curr_volt;
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- u16 ocp_mod;
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- u8 prm_irqst_reg;
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- bool vp_enabled;
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- u32 (*read_reg) (u16 mod, u8 offset);
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- void (*write_reg) (u32 val, u16 mod, u8 offset);
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- int (*volt_scale) (struct omap_vdd_info *vdd,
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- unsigned long target_volt);
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-};
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-
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-static struct omap_vdd_info *vdd_info;
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+static struct omap_vdd_info **vdd_info;
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+
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/*
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* Number of scalable voltage domains.
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*/
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static int nr_scalable_vdd;
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-/* OMAP3 VDD sturctures */
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-static struct omap_vdd_info omap3_vdd_info[] = {
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- {
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- .vp_offs = {
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- .vpconfig = OMAP3_PRM_VP1_CONFIG_OFFSET,
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- .vstepmin = OMAP3_PRM_VP1_VSTEPMIN_OFFSET,
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- .vstepmax = OMAP3_PRM_VP1_VSTEPMAX_OFFSET,
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- .vlimitto = OMAP3_PRM_VP1_VLIMITTO_OFFSET,
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- .vstatus = OMAP3_PRM_VP1_STATUS_OFFSET,
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- .voltage = OMAP3_PRM_VP1_VOLTAGE_OFFSET,
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- },
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- .voltdm = {
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- .name = "mpu",
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- },
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- },
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- {
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- .vp_offs = {
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- .vpconfig = OMAP3_PRM_VP2_CONFIG_OFFSET,
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- .vstepmin = OMAP3_PRM_VP2_VSTEPMIN_OFFSET,
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- .vstepmax = OMAP3_PRM_VP2_VSTEPMAX_OFFSET,
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- .vlimitto = OMAP3_PRM_VP2_VLIMITTO_OFFSET,
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- .vstatus = OMAP3_PRM_VP2_STATUS_OFFSET,
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- .voltage = OMAP3_PRM_VP2_VOLTAGE_OFFSET,
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- },
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- .voltdm = {
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- .name = "core",
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- },
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- },
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-};
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-
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-#define OMAP3_NR_SCALABLE_VDD ARRAY_SIZE(omap3_vdd_info)
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-
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-/* OMAP4 VDD sturctures */
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-static struct omap_vdd_info omap4_vdd_info[] = {
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- {
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- .vp_offs = {
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- .vpconfig = OMAP4_PRM_VP_MPU_CONFIG_OFFSET,
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- .vstepmin = OMAP4_PRM_VP_MPU_VSTEPMIN_OFFSET,
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- .vstepmax = OMAP4_PRM_VP_MPU_VSTEPMAX_OFFSET,
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- .vlimitto = OMAP4_PRM_VP_MPU_VLIMITTO_OFFSET,
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- .vstatus = OMAP4_PRM_VP_MPU_STATUS_OFFSET,
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- .voltage = OMAP4_PRM_VP_MPU_VOLTAGE_OFFSET,
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- },
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- .voltdm = {
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- .name = "mpu",
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- },
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- },
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- {
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- .vp_offs = {
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- .vpconfig = OMAP4_PRM_VP_IVA_CONFIG_OFFSET,
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- .vstepmin = OMAP4_PRM_VP_IVA_VSTEPMIN_OFFSET,
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- .vstepmax = OMAP4_PRM_VP_IVA_VSTEPMAX_OFFSET,
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- .vlimitto = OMAP4_PRM_VP_IVA_VLIMITTO_OFFSET,
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- .vstatus = OMAP4_PRM_VP_IVA_STATUS_OFFSET,
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- .voltage = OMAP4_PRM_VP_IVA_VOLTAGE_OFFSET,
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- },
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- .voltdm = {
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- .name = "iva",
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- },
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- },
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- {
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- .vp_offs = {
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- .vpconfig = OMAP4_PRM_VP_CORE_CONFIG_OFFSET,
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- .vstepmin = OMAP4_PRM_VP_CORE_VSTEPMIN_OFFSET,
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- .vstepmax = OMAP4_PRM_VP_CORE_VSTEPMAX_OFFSET,
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- .vlimitto = OMAP4_PRM_VP_CORE_VLIMITTO_OFFSET,
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- .vstatus = OMAP4_PRM_VP_CORE_STATUS_OFFSET,
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- .voltage = OMAP4_PRM_VP_CORE_VOLTAGE_OFFSET,
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- },
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- .voltdm = {
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- .name = "core",
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- },
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- },
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-};
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-
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-#define OMAP4_NR_SCALABLE_VDD ARRAY_SIZE(omap4_vdd_info)
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-
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-/*
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- * Structures containing OMAP3430/OMAP3630 voltage supported and various
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- * voltage dependent data for each VDD.
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- */
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-#define VOLT_DATA_DEFINE(_v_nom, _efuse_offs, _errminlimit, _errgain) \
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-{ \
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- .volt_nominal = _v_nom, \
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- .sr_efuse_offs = _efuse_offs, \
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- .sr_errminlimit = _errminlimit, \
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- .vp_errgain = _errgain \
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-}
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-
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-/* VDD1 */
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-static struct omap_volt_data omap34xx_vddmpu_volt_data[] = {
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- VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD1, 0xf4, 0x0c),
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- VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD1, 0xf4, 0x0c),
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- VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD1, 0xf9, 0x18),
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- VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP4_UV, OMAP343X_CONTROL_FUSE_OPP4_VDD1, 0xf9, 0x18),
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- VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP5_UV, OMAP343X_CONTROL_FUSE_OPP5_VDD1, 0xf9, 0x18),
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- VOLT_DATA_DEFINE(0, 0, 0, 0),
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-};
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-
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-static struct omap_volt_data omap36xx_vddmpu_volt_data[] = {
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- VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD1, 0xf4, 0x0c),
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- VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD1, 0xf9, 0x16),
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- VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP120_UV, OMAP3630_CONTROL_FUSE_OPP120_VDD1, 0xfa, 0x23),
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- VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP1G_UV, OMAP3630_CONTROL_FUSE_OPP1G_VDD1, 0xfa, 0x27),
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- VOLT_DATA_DEFINE(0, 0, 0, 0),
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-};
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-
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-/* VDD2 */
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-static struct omap_volt_data omap34xx_vddcore_volt_data[] = {
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- VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD2, 0xf4, 0x0c),
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- VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD2, 0xf4, 0x0c),
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- VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD2, 0xf9, 0x18),
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- VOLT_DATA_DEFINE(0, 0, 0, 0),
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-};
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-
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-static struct omap_volt_data omap36xx_vddcore_volt_data[] = {
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- VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD2, 0xf4, 0x0c),
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- VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD2, 0xf9, 0x16),
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- VOLT_DATA_DEFINE(0, 0, 0, 0),
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-};
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-
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-/*
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- * Structures containing OMAP4430 voltage supported and various
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- * voltage dependent data for each VDD.
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- */
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-static struct omap_volt_data omap44xx_vdd_mpu_volt_data[] = {
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- VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP50_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP50, 0xf4, 0x0c),
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- VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP100_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP100, 0xf9, 0x16),
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- VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPTURBO, 0xfa, 0x23),
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- VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPNITRO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPNITRO, 0xfa, 0x27),
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- VOLT_DATA_DEFINE(0, 0, 0, 0),
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-};
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-
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-static struct omap_volt_data omap44xx_vdd_iva_volt_data[] = {
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- VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP50_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP50, 0xf4, 0x0c),
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- VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP100_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP100, 0xf9, 0x16),
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- VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPTURBO, 0xfa, 0x23),
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- VOLT_DATA_DEFINE(0, 0, 0, 0),
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-};
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-
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-static struct omap_volt_data omap44xx_vdd_core_volt_data[] = {
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- VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP50_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP50, 0xf4, 0x0c),
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- VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP100_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100, 0xf9, 0x16),
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- VOLT_DATA_DEFINE(0, 0, 0, 0),
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-};
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+/* XXX document */
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+static s16 prm_mod_offs;
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+static s16 prm_irqst_ocp_mod_offs;
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static struct dentry *voltage_dir;
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/* Init function pointers */
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-static void (*vc_init) (struct omap_vdd_info *vdd);
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-static int (*vdd_data_configure) (struct omap_vdd_info *vdd);
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+static int vp_forceupdate_scale_voltage(struct omap_vdd_info *vdd,
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+ unsigned long target_volt);
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static u32 omap3_voltage_read_reg(u16 mod, u8 offset)
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{
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@@ -335,6 +81,62 @@ static void omap4_voltage_write_reg(u32 val, u16 mod, u8 offset)
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omap4_prminst_write_inst_reg(val, OMAP4430_PRM_PARTITION, mod, offset);
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}
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+static int __init _config_common_vdd_data(struct omap_vdd_info *vdd)
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+{
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+ char *sys_ck_name;
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+ struct clk *sys_ck;
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+ u32 sys_clk_speed, timeout_val, waittime;
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+
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+ /*
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+ * XXX Clockfw should handle this, or this should be in a
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+ * struct record
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+ */
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+ if (cpu_is_omap24xx() || cpu_is_omap34xx())
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+ sys_ck_name = "sys_ck";
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+ else if (cpu_is_omap44xx())
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+ sys_ck_name = "sys_clkin_ck";
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+ else
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+ return -EINVAL;
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+
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+ /*
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+ * Sys clk rate is require to calculate vp timeout value and
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+ * smpswaittimemin and smpswaittimemax.
|
|
|
+ */
|
|
|
+ sys_ck = clk_get(NULL, sys_ck_name);
|
|
|
+ if (IS_ERR(sys_ck)) {
|
|
|
+ pr_warning("%s: Could not get the sys clk to calculate"
|
|
|
+ "various vdd_%s params\n", __func__, vdd->voltdm.name);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ sys_clk_speed = clk_get_rate(sys_ck);
|
|
|
+ clk_put(sys_ck);
|
|
|
+ /* Divide to avoid overflow */
|
|
|
+ sys_clk_speed /= 1000;
|
|
|
+
|
|
|
+ /* Generic voltage parameters */
|
|
|
+ vdd->curr_volt = 1200000;
|
|
|
+ vdd->volt_scale = vp_forceupdate_scale_voltage;
|
|
|
+ vdd->vp_enabled = false;
|
|
|
+
|
|
|
+ vdd->vp_rt_data.vpconfig_erroroffset =
|
|
|
+ (vdd->pmic_info->vp_erroroffset <<
|
|
|
+ vdd->vp_data->vp_common->vpconfig_erroroffset_shift);
|
|
|
+
|
|
|
+ timeout_val = (sys_clk_speed * vdd->pmic_info->vp_timeout_us) / 1000;
|
|
|
+ vdd->vp_rt_data.vlimitto_timeout = timeout_val;
|
|
|
+ vdd->vp_rt_data.vlimitto_vddmin = vdd->pmic_info->vp_vddmin;
|
|
|
+ vdd->vp_rt_data.vlimitto_vddmax = vdd->pmic_info->vp_vddmax;
|
|
|
+
|
|
|
+ waittime = ((vdd->pmic_info->step_size / vdd->pmic_info->slew_rate) *
|
|
|
+ sys_clk_speed) / 1000;
|
|
|
+ vdd->vp_rt_data.vstepmin_smpswaittimemin = waittime;
|
|
|
+ vdd->vp_rt_data.vstepmax_smpswaittimemax = waittime;
|
|
|
+ vdd->vp_rt_data.vstepmin_stepmin = vdd->pmic_info->vp_vstepmin;
|
|
|
+ vdd->vp_rt_data.vstepmax_stepmax = vdd->pmic_info->vp_vstepmax;
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
/* Voltage debugfs support */
|
|
|
static int vp_volt_debug_get(void *data, u64 *val)
|
|
|
{
|
|
@@ -346,7 +148,7 @@ static int vp_volt_debug_get(void *data, u64 *val)
|
|
|
return -EINVAL;
|
|
|
}
|
|
|
|
|
|
- vsel = vdd->read_reg(vdd->vp_reg.prm_mod, vdd->vp_offs.voltage);
|
|
|
+ vsel = vdd->read_reg(prm_mod_offs, vdd->vp_data->voltage);
|
|
|
pr_notice("curr_vsel = %x\n", vsel);
|
|
|
|
|
|
if (!vdd->pmic_info->vsel_to_uv) {
|
|
@@ -379,7 +181,6 @@ DEFINE_SIMPLE_ATTRIBUTE(nom_volt_debug_fops, nom_volt_debug_get, NULL,
|
|
|
static void vp_latch_vsel(struct omap_vdd_info *vdd)
|
|
|
{
|
|
|
u32 vpconfig;
|
|
|
- u16 mod;
|
|
|
unsigned long uvdc;
|
|
|
char vsel;
|
|
|
|
|
@@ -396,30 +197,27 @@ static void vp_latch_vsel(struct omap_vdd_info *vdd)
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
- mod = vdd->vp_reg.prm_mod;
|
|
|
-
|
|
|
vsel = vdd->pmic_info->uv_to_vsel(uvdc);
|
|
|
|
|
|
- vpconfig = vdd->read_reg(mod, vdd->vp_offs.vpconfig);
|
|
|
- vpconfig &= ~(vdd->vp_reg.vpconfig_initvoltage_mask |
|
|
|
- vdd->vp_reg.vpconfig_initvdd);
|
|
|
- vpconfig |= vsel << vdd->vp_reg.vpconfig_initvoltage_shift;
|
|
|
+ vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
+ vpconfig &= ~(vdd->vp_data->vp_common->vpconfig_initvoltage_mask |
|
|
|
+ vdd->vp_data->vp_common->vpconfig_initvdd);
|
|
|
+ vpconfig |= vsel << vdd->vp_data->vp_common->vpconfig_initvoltage_shift;
|
|
|
|
|
|
- vdd->write_reg(vpconfig, mod, vdd->vp_offs.vpconfig);
|
|
|
+ vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
|
|
|
/* Trigger initVDD value copy to voltage processor */
|
|
|
- vdd->write_reg((vpconfig | vdd->vp_reg.vpconfig_initvdd), mod,
|
|
|
- vdd->vp_offs.vpconfig);
|
|
|
+ vdd->write_reg((vpconfig | vdd->vp_data->vp_common->vpconfig_initvdd),
|
|
|
+ prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
|
|
|
/* Clear initVDD copy trigger bit */
|
|
|
- vdd->write_reg(vpconfig, mod, vdd->vp_offs.vpconfig);
|
|
|
+ vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
}
|
|
|
|
|
|
/* Generic voltage init functions */
|
|
|
static void __init vp_init(struct omap_vdd_info *vdd)
|
|
|
{
|
|
|
u32 vp_val;
|
|
|
- u16 mod;
|
|
|
|
|
|
if (!vdd->read_reg || !vdd->write_reg) {
|
|
|
pr_err("%s: No read/write API for accessing vdd_%s regs\n",
|
|
@@ -427,33 +225,31 @@ static void __init vp_init(struct omap_vdd_info *vdd)
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
- mod = vdd->vp_reg.prm_mod;
|
|
|
-
|
|
|
- vp_val = vdd->vp_reg.vpconfig_erroroffset |
|
|
|
- (vdd->vp_reg.vpconfig_errorgain <<
|
|
|
- vdd->vp_reg.vpconfig_errorgain_shift) |
|
|
|
- vdd->vp_reg.vpconfig_timeouten;
|
|
|
- vdd->write_reg(vp_val, mod, vdd->vp_offs.vpconfig);
|
|
|
-
|
|
|
- vp_val = ((vdd->vp_reg.vstepmin_smpswaittimemin <<
|
|
|
- vdd->vp_reg.vstepmin_smpswaittimemin_shift) |
|
|
|
- (vdd->vp_reg.vstepmin_stepmin <<
|
|
|
- vdd->vp_reg.vstepmin_stepmin_shift));
|
|
|
- vdd->write_reg(vp_val, mod, vdd->vp_offs.vstepmin);
|
|
|
-
|
|
|
- vp_val = ((vdd->vp_reg.vstepmax_smpswaittimemax <<
|
|
|
- vdd->vp_reg.vstepmax_smpswaittimemax_shift) |
|
|
|
- (vdd->vp_reg.vstepmax_stepmax <<
|
|
|
- vdd->vp_reg.vstepmax_stepmax_shift));
|
|
|
- vdd->write_reg(vp_val, mod, vdd->vp_offs.vstepmax);
|
|
|
-
|
|
|
- vp_val = ((vdd->vp_reg.vlimitto_vddmax <<
|
|
|
- vdd->vp_reg.vlimitto_vddmax_shift) |
|
|
|
- (vdd->vp_reg.vlimitto_vddmin <<
|
|
|
- vdd->vp_reg.vlimitto_vddmin_shift) |
|
|
|
- (vdd->vp_reg.vlimitto_timeout <<
|
|
|
- vdd->vp_reg.vlimitto_timeout_shift));
|
|
|
- vdd->write_reg(vp_val, mod, vdd->vp_offs.vlimitto);
|
|
|
+ vp_val = vdd->vp_rt_data.vpconfig_erroroffset |
|
|
|
+ (vdd->vp_rt_data.vpconfig_errorgain <<
|
|
|
+ vdd->vp_data->vp_common->vpconfig_errorgain_shift) |
|
|
|
+ vdd->vp_data->vp_common->vpconfig_timeouten;
|
|
|
+ vdd->write_reg(vp_val, prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
+
|
|
|
+ vp_val = ((vdd->vp_rt_data.vstepmin_smpswaittimemin <<
|
|
|
+ vdd->vp_data->vp_common->vstepmin_smpswaittimemin_shift) |
|
|
|
+ (vdd->vp_rt_data.vstepmin_stepmin <<
|
|
|
+ vdd->vp_data->vp_common->vstepmin_stepmin_shift));
|
|
|
+ vdd->write_reg(vp_val, prm_mod_offs, vdd->vp_data->vstepmin);
|
|
|
+
|
|
|
+ vp_val = ((vdd->vp_rt_data.vstepmax_smpswaittimemax <<
|
|
|
+ vdd->vp_data->vp_common->vstepmax_smpswaittimemax_shift) |
|
|
|
+ (vdd->vp_rt_data.vstepmax_stepmax <<
|
|
|
+ vdd->vp_data->vp_common->vstepmax_stepmax_shift));
|
|
|
+ vdd->write_reg(vp_val, prm_mod_offs, vdd->vp_data->vstepmax);
|
|
|
+
|
|
|
+ vp_val = ((vdd->vp_rt_data.vlimitto_vddmax <<
|
|
|
+ vdd->vp_data->vp_common->vlimitto_vddmax_shift) |
|
|
|
+ (vdd->vp_rt_data.vlimitto_vddmin <<
|
|
|
+ vdd->vp_data->vp_common->vlimitto_vddmin_shift) |
|
|
|
+ (vdd->vp_rt_data.vlimitto_timeout <<
|
|
|
+ vdd->vp_data->vp_common->vlimitto_timeout_shift));
|
|
|
+ vdd->write_reg(vp_val, prm_mod_offs, vdd->vp_data->vlimitto);
|
|
|
}
|
|
|
|
|
|
static void __init vdd_debugfs_init(struct omap_vdd_info *vdd)
|
|
@@ -480,23 +276,23 @@ static void __init vdd_debugfs_init(struct omap_vdd_info *vdd)
|
|
|
}
|
|
|
|
|
|
(void) debugfs_create_x16("vp_errorgain", S_IRUGO, vdd->debug_dir,
|
|
|
- &(vdd->vp_reg.vpconfig_errorgain));
|
|
|
+ &(vdd->vp_rt_data.vpconfig_errorgain));
|
|
|
(void) debugfs_create_x16("vp_smpswaittimemin", S_IRUGO,
|
|
|
vdd->debug_dir,
|
|
|
- &(vdd->vp_reg.vstepmin_smpswaittimemin));
|
|
|
+ &(vdd->vp_rt_data.vstepmin_smpswaittimemin));
|
|
|
(void) debugfs_create_x8("vp_stepmin", S_IRUGO, vdd->debug_dir,
|
|
|
- &(vdd->vp_reg.vstepmin_stepmin));
|
|
|
+ &(vdd->vp_rt_data.vstepmin_stepmin));
|
|
|
(void) debugfs_create_x16("vp_smpswaittimemax", S_IRUGO,
|
|
|
vdd->debug_dir,
|
|
|
- &(vdd->vp_reg.vstepmax_smpswaittimemax));
|
|
|
+ &(vdd->vp_rt_data.vstepmax_smpswaittimemax));
|
|
|
(void) debugfs_create_x8("vp_stepmax", S_IRUGO, vdd->debug_dir,
|
|
|
- &(vdd->vp_reg.vstepmax_stepmax));
|
|
|
+ &(vdd->vp_rt_data.vstepmax_stepmax));
|
|
|
(void) debugfs_create_x8("vp_vddmax", S_IRUGO, vdd->debug_dir,
|
|
|
- &(vdd->vp_reg.vlimitto_vddmax));
|
|
|
+ &(vdd->vp_rt_data.vlimitto_vddmax));
|
|
|
(void) debugfs_create_x8("vp_vddmin", S_IRUGO, vdd->debug_dir,
|
|
|
- &(vdd->vp_reg.vlimitto_vddmin));
|
|
|
+ &(vdd->vp_rt_data.vlimitto_vddmin));
|
|
|
(void) debugfs_create_x16("vp_timeout", S_IRUGO, vdd->debug_dir,
|
|
|
- &(vdd->vp_reg.vlimitto_timeout));
|
|
|
+ &(vdd->vp_rt_data.vlimitto_timeout));
|
|
|
(void) debugfs_create_file("curr_vp_volt", S_IRUGO, vdd->debug_dir,
|
|
|
(void *) vdd, &vp_volt_debug_fops);
|
|
|
(void) debugfs_create_file("curr_nominal_volt", S_IRUGO,
|
|
@@ -509,8 +305,12 @@ static int _pre_volt_scale(struct omap_vdd_info *vdd,
|
|
|
unsigned long target_volt, u8 *target_vsel, u8 *current_vsel)
|
|
|
{
|
|
|
struct omap_volt_data *volt_data;
|
|
|
+ const struct omap_vc_common_data *vc_common;
|
|
|
+ const struct omap_vp_common_data *vp_common;
|
|
|
u32 vc_cmdval, vp_errgain_val;
|
|
|
- u16 vp_mod, vc_mod;
|
|
|
+
|
|
|
+ vc_common = vdd->vc_data->vc_common;
|
|
|
+ vp_common = vdd->vp_data->vp_common;
|
|
|
|
|
|
/* Check if suffiecient pmic info is available for this vdd */
|
|
|
if (!vdd->pmic_info) {
|
|
@@ -532,33 +332,30 @@ static int _pre_volt_scale(struct omap_vdd_info *vdd,
|
|
|
return -EINVAL;
|
|
|
}
|
|
|
|
|
|
- vp_mod = vdd->vp_reg.prm_mod;
|
|
|
- vc_mod = vdd->vc_reg.prm_mod;
|
|
|
-
|
|
|
/* Get volt_data corresponding to target_volt */
|
|
|
volt_data = omap_voltage_get_voltdata(&vdd->voltdm, target_volt);
|
|
|
if (IS_ERR(volt_data))
|
|
|
volt_data = NULL;
|
|
|
|
|
|
*target_vsel = vdd->pmic_info->uv_to_vsel(target_volt);
|
|
|
- *current_vsel = vdd->read_reg(vp_mod, vdd->vp_offs.voltage);
|
|
|
+ *current_vsel = vdd->read_reg(prm_mod_offs, vdd->vp_data->voltage);
|
|
|
|
|
|
/* Setting the ON voltage to the new target voltage */
|
|
|
- vc_cmdval = vdd->read_reg(vc_mod, vdd->vc_reg.cmdval_reg);
|
|
|
- vc_cmdval &= ~vdd->vc_reg.cmd_on_mask;
|
|
|
- vc_cmdval |= (*target_vsel << vdd->vc_reg.cmd_on_shift);
|
|
|
- vdd->write_reg(vc_cmdval, vc_mod, vdd->vc_reg.cmdval_reg);
|
|
|
+ vc_cmdval = vdd->read_reg(prm_mod_offs, vdd->vc_data->cmdval_reg);
|
|
|
+ vc_cmdval &= ~vc_common->cmd_on_mask;
|
|
|
+ vc_cmdval |= (*target_vsel << vc_common->cmd_on_shift);
|
|
|
+ vdd->write_reg(vc_cmdval, prm_mod_offs, vdd->vc_data->cmdval_reg);
|
|
|
|
|
|
/* Setting vp errorgain based on the voltage */
|
|
|
if (volt_data) {
|
|
|
- vp_errgain_val = vdd->read_reg(vp_mod,
|
|
|
- vdd->vp_offs.vpconfig);
|
|
|
- vdd->vp_reg.vpconfig_errorgain = volt_data->vp_errgain;
|
|
|
- vp_errgain_val &= ~vdd->vp_reg.vpconfig_errorgain_mask;
|
|
|
- vp_errgain_val |= vdd->vp_reg.vpconfig_errorgain <<
|
|
|
- vdd->vp_reg.vpconfig_errorgain_shift;
|
|
|
- vdd->write_reg(vp_errgain_val, vp_mod,
|
|
|
- vdd->vp_offs.vpconfig);
|
|
|
+ vp_errgain_val = vdd->read_reg(prm_mod_offs,
|
|
|
+ vdd->vp_data->vpconfig);
|
|
|
+ vdd->vp_rt_data.vpconfig_errorgain = volt_data->vp_errgain;
|
|
|
+ vp_errgain_val &= ~vp_common->vpconfig_errorgain_mask;
|
|
|
+ vp_errgain_val |= vdd->vp_rt_data.vpconfig_errorgain <<
|
|
|
+ vp_common->vpconfig_errorgain_shift;
|
|
|
+ vdd->write_reg(vp_errgain_val, prm_mod_offs,
|
|
|
+ vdd->vp_data->vpconfig);
|
|
|
}
|
|
|
|
|
|
return 0;
|
|
@@ -584,7 +381,6 @@ static int vc_bypass_scale_voltage(struct omap_vdd_info *vdd,
|
|
|
{
|
|
|
u32 loop_cnt = 0, retries_cnt = 0;
|
|
|
u32 vc_valid, vc_bypass_val_reg, vc_bypass_value;
|
|
|
- u16 mod;
|
|
|
u8 target_vsel, current_vsel;
|
|
|
int ret;
|
|
|
|
|
@@ -592,20 +388,19 @@ static int vc_bypass_scale_voltage(struct omap_vdd_info *vdd,
|
|
|
if (ret)
|
|
|
return ret;
|
|
|
|
|
|
- mod = vdd->vc_reg.prm_mod;
|
|
|
-
|
|
|
- vc_valid = vdd->vc_reg.valid;
|
|
|
- vc_bypass_val_reg = vdd->vc_reg.bypass_val_reg;
|
|
|
- vc_bypass_value = (target_vsel << vdd->vc_reg.data_shift) |
|
|
|
+ vc_valid = vdd->vc_data->vc_common->valid;
|
|
|
+ vc_bypass_val_reg = vdd->vc_data->vc_common->bypass_val_reg;
|
|
|
+ vc_bypass_value = (target_vsel << vdd->vc_data->vc_common->data_shift) |
|
|
|
(vdd->pmic_info->pmic_reg <<
|
|
|
- vdd->vc_reg.regaddr_shift) |
|
|
|
+ vdd->vc_data->vc_common->regaddr_shift) |
|
|
|
(vdd->pmic_info->i2c_slave_addr <<
|
|
|
- vdd->vc_reg.slaveaddr_shift);
|
|
|
+ vdd->vc_data->vc_common->slaveaddr_shift);
|
|
|
|
|
|
- vdd->write_reg(vc_bypass_value, mod, vc_bypass_val_reg);
|
|
|
- vdd->write_reg(vc_bypass_value | vc_valid, mod, vc_bypass_val_reg);
|
|
|
+ vdd->write_reg(vc_bypass_value, prm_mod_offs, vc_bypass_val_reg);
|
|
|
+ vdd->write_reg(vc_bypass_value | vc_valid, prm_mod_offs,
|
|
|
+ vc_bypass_val_reg);
|
|
|
|
|
|
- vc_bypass_value = vdd->read_reg(mod, vc_bypass_val_reg);
|
|
|
+ vc_bypass_value = vdd->read_reg(prm_mod_offs, vc_bypass_val_reg);
|
|
|
/*
|
|
|
* Loop till the bypass command is acknowledged from the SMPS.
|
|
|
* NOTE: This is legacy code. The loop count and retry count needs
|
|
@@ -624,7 +419,8 @@ static int vc_bypass_scale_voltage(struct omap_vdd_info *vdd,
|
|
|
loop_cnt = 0;
|
|
|
udelay(10);
|
|
|
}
|
|
|
- vc_bypass_value = vdd->read_reg(mod, vc_bypass_val_reg);
|
|
|
+ vc_bypass_value = vdd->read_reg(prm_mod_offs,
|
|
|
+ vc_bypass_val_reg);
|
|
|
}
|
|
|
|
|
|
_post_volt_scale(vdd, target_volt, target_vsel, current_vsel);
|
|
@@ -636,7 +432,6 @@ static int vp_forceupdate_scale_voltage(struct omap_vdd_info *vdd,
|
|
|
unsigned long target_volt)
|
|
|
{
|
|
|
u32 vpconfig;
|
|
|
- u16 mod, ocp_mod;
|
|
|
u8 target_vsel, current_vsel, prm_irqst_reg;
|
|
|
int ret, timeout = 0;
|
|
|
|
|
@@ -644,20 +439,18 @@ static int vp_forceupdate_scale_voltage(struct omap_vdd_info *vdd,
|
|
|
if (ret)
|
|
|
return ret;
|
|
|
|
|
|
- mod = vdd->vp_reg.prm_mod;
|
|
|
- ocp_mod = vdd->ocp_mod;
|
|
|
- prm_irqst_reg = vdd->prm_irqst_reg;
|
|
|
+ prm_irqst_reg = vdd->vp_data->prm_irqst_data->prm_irqst_reg;
|
|
|
|
|
|
/*
|
|
|
* Clear all pending TransactionDone interrupt/status. Typical latency
|
|
|
* is <3us
|
|
|
*/
|
|
|
while (timeout++ < VP_TRANXDONE_TIMEOUT) {
|
|
|
- vdd->write_reg(vdd->vp_reg.tranxdone_status,
|
|
|
- ocp_mod, prm_irqst_reg);
|
|
|
- if (!(vdd->read_reg(ocp_mod, prm_irqst_reg) &
|
|
|
- vdd->vp_reg.tranxdone_status))
|
|
|
- break;
|
|
|
+ vdd->write_reg(vdd->vp_data->prm_irqst_data->tranxdone_status,
|
|
|
+ prm_irqst_ocp_mod_offs, prm_irqst_reg);
|
|
|
+ if (!(vdd->read_reg(prm_irqst_ocp_mod_offs, prm_irqst_reg) &
|
|
|
+ vdd->vp_data->prm_irqst_data->tranxdone_status))
|
|
|
+ break;
|
|
|
udelay(1);
|
|
|
}
|
|
|
if (timeout >= VP_TRANXDONE_TIMEOUT) {
|
|
@@ -667,30 +460,30 @@ static int vp_forceupdate_scale_voltage(struct omap_vdd_info *vdd,
|
|
|
}
|
|
|
|
|
|
/* Configure for VP-Force Update */
|
|
|
- vpconfig = vdd->read_reg(mod, vdd->vp_offs.vpconfig);
|
|
|
- vpconfig &= ~(vdd->vp_reg.vpconfig_initvdd |
|
|
|
- vdd->vp_reg.vpconfig_forceupdate |
|
|
|
- vdd->vp_reg.vpconfig_initvoltage_mask);
|
|
|
+ vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
+ vpconfig &= ~(vdd->vp_data->vp_common->vpconfig_initvdd |
|
|
|
+ vdd->vp_data->vp_common->vpconfig_forceupdate |
|
|
|
+ vdd->vp_data->vp_common->vpconfig_initvoltage_mask);
|
|
|
vpconfig |= ((target_vsel <<
|
|
|
- vdd->vp_reg.vpconfig_initvoltage_shift));
|
|
|
- vdd->write_reg(vpconfig, mod, vdd->vp_offs.vpconfig);
|
|
|
+ vdd->vp_data->vp_common->vpconfig_initvoltage_shift));
|
|
|
+ vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
|
|
|
/* Trigger initVDD value copy to voltage processor */
|
|
|
- vpconfig |= vdd->vp_reg.vpconfig_initvdd;
|
|
|
- vdd->write_reg(vpconfig, mod, vdd->vp_offs.vpconfig);
|
|
|
+ vpconfig |= vdd->vp_data->vp_common->vpconfig_initvdd;
|
|
|
+ vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
|
|
|
/* Force update of voltage */
|
|
|
- vpconfig |= vdd->vp_reg.vpconfig_forceupdate;
|
|
|
- vdd->write_reg(vpconfig, mod, vdd->vp_offs.vpconfig);
|
|
|
+ vpconfig |= vdd->vp_data->vp_common->vpconfig_forceupdate;
|
|
|
+ vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
|
|
|
/*
|
|
|
* Wait for TransactionDone. Typical latency is <200us.
|
|
|
* Depends on SMPSWAITTIMEMIN/MAX and voltage change
|
|
|
*/
|
|
|
timeout = 0;
|
|
|
- omap_test_timeout((vdd->read_reg(ocp_mod, prm_irqst_reg) &
|
|
|
- vdd->vp_reg.tranxdone_status),
|
|
|
- VP_TRANXDONE_TIMEOUT, timeout);
|
|
|
+ omap_test_timeout((vdd->read_reg(prm_irqst_ocp_mod_offs, prm_irqst_reg) &
|
|
|
+ vdd->vp_data->prm_irqst_data->tranxdone_status),
|
|
|
+ VP_TRANXDONE_TIMEOUT, timeout);
|
|
|
if (timeout >= VP_TRANXDONE_TIMEOUT)
|
|
|
pr_err("%s: vdd_%s TRANXDONE timeout exceeded."
|
|
|
"TRANXDONE never got set after the voltage update\n",
|
|
@@ -704,11 +497,11 @@ static int vp_forceupdate_scale_voltage(struct omap_vdd_info *vdd,
|
|
|
*/
|
|
|
timeout = 0;
|
|
|
while (timeout++ < VP_TRANXDONE_TIMEOUT) {
|
|
|
- vdd->write_reg(vdd->vp_reg.tranxdone_status,
|
|
|
- ocp_mod, prm_irqst_reg);
|
|
|
- if (!(vdd->read_reg(ocp_mod, prm_irqst_reg) &
|
|
|
- vdd->vp_reg.tranxdone_status))
|
|
|
- break;
|
|
|
+ vdd->write_reg(vdd->vp_data->prm_irqst_data->tranxdone_status,
|
|
|
+ prm_irqst_ocp_mod_offs, prm_irqst_reg);
|
|
|
+ if (!(vdd->read_reg(prm_irqst_ocp_mod_offs, prm_irqst_reg) &
|
|
|
+ vdd->vp_data->prm_irqst_data->tranxdone_status))
|
|
|
+ break;
|
|
|
udelay(1);
|
|
|
}
|
|
|
|
|
@@ -717,222 +510,95 @@ static int vp_forceupdate_scale_voltage(struct omap_vdd_info *vdd,
|
|
|
"to clear the TRANXDONE status\n",
|
|
|
__func__, vdd->voltdm.name);
|
|
|
|
|
|
- vpconfig = vdd->read_reg(mod, vdd->vp_offs.vpconfig);
|
|
|
+ vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
/* Clear initVDD copy trigger bit */
|
|
|
- vpconfig &= ~vdd->vp_reg.vpconfig_initvdd;;
|
|
|
- vdd->write_reg(vpconfig, mod, vdd->vp_offs.vpconfig);
|
|
|
+ vpconfig &= ~vdd->vp_data->vp_common->vpconfig_initvdd;
|
|
|
+ vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
/* Clear force bit */
|
|
|
- vpconfig &= ~vdd->vp_reg.vpconfig_forceupdate;
|
|
|
- vdd->write_reg(vpconfig, mod, vdd->vp_offs.vpconfig);
|
|
|
+ vpconfig &= ~vdd->vp_data->vp_common->vpconfig_forceupdate;
|
|
|
+ vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-/* OMAP3 specific voltage init functions */
|
|
|
+static void __init omap3_vfsm_init(struct omap_vdd_info *vdd)
|
|
|
+{
|
|
|
+ /*
|
|
|
+ * Voltage Manager FSM parameters init
|
|
|
+ * XXX This data should be passed in from the board file
|
|
|
+ */
|
|
|
+ vdd->write_reg(OMAP3_CLKSETUP, prm_mod_offs, OMAP3_PRM_CLKSETUP_OFFSET);
|
|
|
+ vdd->write_reg(OMAP3_VOLTOFFSET, prm_mod_offs,
|
|
|
+ OMAP3_PRM_VOLTOFFSET_OFFSET);
|
|
|
+ vdd->write_reg(OMAP3_VOLTSETUP2, prm_mod_offs,
|
|
|
+ OMAP3_PRM_VOLTSETUP2_OFFSET);
|
|
|
+}
|
|
|
|
|
|
-/*
|
|
|
- * Intializes the voltage controller registers with the PMIC and board
|
|
|
- * specific parameters and voltage setup times for OMAP3.
|
|
|
- */
|
|
|
static void __init omap3_vc_init(struct omap_vdd_info *vdd)
|
|
|
{
|
|
|
- u32 vc_val;
|
|
|
- u16 mod;
|
|
|
- u8 on_vsel, onlp_vsel, ret_vsel, off_vsel;
|
|
|
static bool is_initialized;
|
|
|
+ u8 on_vsel, onlp_vsel, ret_vsel, off_vsel;
|
|
|
+ u32 vc_val;
|
|
|
|
|
|
- if (!vdd->pmic_info || !vdd->pmic_info->uv_to_vsel) {
|
|
|
- pr_err("%s: PMIC info requried to configure vc for"
|
|
|
- "vdd_%s not populated.Hence cannot initialize vc\n",
|
|
|
- __func__, vdd->voltdm.name);
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- if (!vdd->read_reg || !vdd->write_reg) {
|
|
|
- pr_err("%s: No read/write API for accessing vdd_%s regs\n",
|
|
|
- __func__, vdd->voltdm.name);
|
|
|
+ if (is_initialized)
|
|
|
return;
|
|
|
- }
|
|
|
-
|
|
|
- mod = vdd->vc_reg.prm_mod;
|
|
|
-
|
|
|
- /* Set up the SMPS_SA(i2c slave address in VC */
|
|
|
- vc_val = vdd->read_reg(mod, vdd->vc_reg.smps_sa_reg);
|
|
|
- vc_val &= ~vdd->vc_reg.smps_sa_mask;
|
|
|
- vc_val |= vdd->pmic_info->i2c_slave_addr << vdd->vc_reg.smps_sa_shift;
|
|
|
- vdd->write_reg(vc_val, mod, vdd->vc_reg.smps_sa_reg);
|
|
|
-
|
|
|
- /* Setup the VOLRA(pmic reg addr) in VC */
|
|
|
- vc_val = vdd->read_reg(mod, vdd->vc_reg.smps_volra_reg);
|
|
|
- vc_val &= ~vdd->vc_reg.smps_volra_mask;
|
|
|
- vc_val |= vdd->pmic_info->pmic_reg << vdd->vc_reg.smps_volra_shift;
|
|
|
- vdd->write_reg(vc_val, mod, vdd->vc_reg.smps_volra_reg);
|
|
|
-
|
|
|
- /*Configure the setup times */
|
|
|
- vc_val = vdd->read_reg(mod, vdd->vc_reg.voltsetup_reg);
|
|
|
- vc_val &= ~vdd->vc_reg.voltsetup_mask;
|
|
|
- vc_val |= vdd->pmic_info->volt_setup_time <<
|
|
|
- vdd->vc_reg.voltsetup_shift;
|
|
|
- vdd->write_reg(vc_val, mod, vdd->vc_reg.voltsetup_reg);
|
|
|
|
|
|
/* Set up the on, inactive, retention and off voltage */
|
|
|
on_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->on_volt);
|
|
|
onlp_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->onlp_volt);
|
|
|
ret_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->ret_volt);
|
|
|
off_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->off_volt);
|
|
|
- vc_val = ((on_vsel << vdd->vc_reg.cmd_on_shift) |
|
|
|
- (onlp_vsel << vdd->vc_reg.cmd_onlp_shift) |
|
|
|
- (ret_vsel << vdd->vc_reg.cmd_ret_shift) |
|
|
|
- (off_vsel << vdd->vc_reg.cmd_off_shift));
|
|
|
- vdd->write_reg(vc_val, mod, vdd->vc_reg.cmdval_reg);
|
|
|
-
|
|
|
- if (is_initialized)
|
|
|
- return;
|
|
|
+ vc_val = ((on_vsel << vdd->vc_data->vc_common->cmd_on_shift) |
|
|
|
+ (onlp_vsel << vdd->vc_data->vc_common->cmd_onlp_shift) |
|
|
|
+ (ret_vsel << vdd->vc_data->vc_common->cmd_ret_shift) |
|
|
|
+ (off_vsel << vdd->vc_data->vc_common->cmd_off_shift));
|
|
|
+ vdd->write_reg(vc_val, prm_mod_offs, vdd->vc_data->cmdval_reg);
|
|
|
|
|
|
- /* Generic VC parameters init */
|
|
|
- vdd->write_reg(OMAP3430_CMD1_MASK | OMAP3430_RAV1_MASK, mod,
|
|
|
+ /*
|
|
|
+ * Generic VC parameters init
|
|
|
+ * XXX This data should be abstracted out
|
|
|
+ */
|
|
|
+ vdd->write_reg(OMAP3430_CMD1_MASK | OMAP3430_RAV1_MASK, prm_mod_offs,
|
|
|
OMAP3_PRM_VC_CH_CONF_OFFSET);
|
|
|
- vdd->write_reg(OMAP3430_MCODE_SHIFT | OMAP3430_HSEN_MASK, mod,
|
|
|
+ vdd->write_reg(OMAP3430_MCODE_SHIFT | OMAP3430_HSEN_MASK, prm_mod_offs,
|
|
|
OMAP3_PRM_VC_I2C_CFG_OFFSET);
|
|
|
- vdd->write_reg(OMAP3_CLKSETUP, mod, OMAP3_PRM_CLKSETUP_OFFSET);
|
|
|
- vdd->write_reg(OMAP3_VOLTOFFSET, mod, OMAP3_PRM_VOLTOFFSET_OFFSET);
|
|
|
- vdd->write_reg(OMAP3_VOLTSETUP2, mod, OMAP3_PRM_VOLTSETUP2_OFFSET);
|
|
|
+
|
|
|
+ omap3_vfsm_init(vdd);
|
|
|
+
|
|
|
is_initialized = true;
|
|
|
}
|
|
|
|
|
|
-/* Sets up all the VDD related info for OMAP3 */
|
|
|
-static int __init omap3_vdd_data_configure(struct omap_vdd_info *vdd)
|
|
|
+
|
|
|
+/* OMAP4 specific voltage init functions */
|
|
|
+static void __init omap4_vc_init(struct omap_vdd_info *vdd)
|
|
|
{
|
|
|
- struct clk *sys_ck;
|
|
|
- u32 sys_clk_speed, timeout_val, waittime;
|
|
|
+ static bool is_initialized;
|
|
|
+ u32 vc_val;
|
|
|
|
|
|
- if (!vdd->pmic_info) {
|
|
|
- pr_err("%s: PMIC info requried to configure vdd_%s not"
|
|
|
- "populated.Hence cannot initialize vdd_%s\n",
|
|
|
- __func__, vdd->voltdm.name, vdd->voltdm.name);
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
+ if (is_initialized)
|
|
|
+ return;
|
|
|
|
|
|
- if (!strcmp(vdd->voltdm.name, "mpu")) {
|
|
|
- if (cpu_is_omap3630())
|
|
|
- vdd->volt_data = omap36xx_vddmpu_volt_data;
|
|
|
- else
|
|
|
- vdd->volt_data = omap34xx_vddmpu_volt_data;
|
|
|
-
|
|
|
- vdd->vp_reg.tranxdone_status = OMAP3430_VP1_TRANXDONE_ST_MASK;
|
|
|
- vdd->vc_reg.cmdval_reg = OMAP3_PRM_VC_CMD_VAL_0_OFFSET;
|
|
|
- vdd->vc_reg.smps_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA0_SHIFT;
|
|
|
- vdd->vc_reg.smps_sa_mask = OMAP3430_PRM_VC_SMPS_SA_SA0_MASK;
|
|
|
- vdd->vc_reg.smps_volra_shift = OMAP3430_VOLRA0_SHIFT;
|
|
|
- vdd->vc_reg.smps_volra_mask = OMAP3430_VOLRA0_MASK;
|
|
|
- vdd->vc_reg.voltsetup_shift = OMAP3430_SETUP_TIME1_SHIFT;
|
|
|
- vdd->vc_reg.voltsetup_mask = OMAP3430_SETUP_TIME1_MASK;
|
|
|
- } else if (!strcmp(vdd->voltdm.name, "core")) {
|
|
|
- if (cpu_is_omap3630())
|
|
|
- vdd->volt_data = omap36xx_vddcore_volt_data;
|
|
|
- else
|
|
|
- vdd->volt_data = omap34xx_vddcore_volt_data;
|
|
|
-
|
|
|
- vdd->vp_reg.tranxdone_status = OMAP3430_VP2_TRANXDONE_ST_MASK;
|
|
|
- vdd->vc_reg.cmdval_reg = OMAP3_PRM_VC_CMD_VAL_1_OFFSET;
|
|
|
- vdd->vc_reg.smps_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA1_SHIFT;
|
|
|
- vdd->vc_reg.smps_sa_mask = OMAP3430_PRM_VC_SMPS_SA_SA1_MASK;
|
|
|
- vdd->vc_reg.smps_volra_shift = OMAP3430_VOLRA1_SHIFT;
|
|
|
- vdd->vc_reg.smps_volra_mask = OMAP3430_VOLRA1_MASK;
|
|
|
- vdd->vc_reg.voltsetup_shift = OMAP3430_SETUP_TIME2_SHIFT;
|
|
|
- vdd->vc_reg.voltsetup_mask = OMAP3430_SETUP_TIME2_MASK;
|
|
|
- } else {
|
|
|
- pr_warning("%s: vdd_%s does not exisit in OMAP3\n",
|
|
|
- __func__, vdd->voltdm.name);
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
+ /* TODO: Configure setup times and CMD_VAL values*/
|
|
|
|
|
|
/*
|
|
|
- * Sys clk rate is require to calculate vp timeout value and
|
|
|
- * smpswaittimemin and smpswaittimemax.
|
|
|
+ * Generic VC parameters init
|
|
|
+ * XXX This data should be abstracted out
|
|
|
*/
|
|
|
- sys_ck = clk_get(NULL, "sys_ck");
|
|
|
- if (IS_ERR(sys_ck)) {
|
|
|
- pr_warning("%s: Could not get the sys clk to calculate"
|
|
|
- "various vdd_%s params\n", __func__, vdd->voltdm.name);
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
- sys_clk_speed = clk_get_rate(sys_ck);
|
|
|
- clk_put(sys_ck);
|
|
|
- /* Divide to avoid overflow */
|
|
|
- sys_clk_speed /= 1000;
|
|
|
-
|
|
|
- /* Generic voltage parameters */
|
|
|
- vdd->curr_volt = 1200000;
|
|
|
- vdd->ocp_mod = OCP_MOD;
|
|
|
- vdd->prm_irqst_reg = OMAP3_PRM_IRQSTATUS_MPU_OFFSET;
|
|
|
- vdd->read_reg = omap3_voltage_read_reg;
|
|
|
- vdd->write_reg = omap3_voltage_write_reg;
|
|
|
- vdd->volt_scale = vp_forceupdate_scale_voltage;
|
|
|
- vdd->vp_enabled = false;
|
|
|
+ vc_val = (OMAP4430_RAV_VDD_MPU_L_MASK | OMAP4430_CMD_VDD_MPU_L_MASK |
|
|
|
+ OMAP4430_RAV_VDD_IVA_L_MASK | OMAP4430_CMD_VDD_IVA_L_MASK |
|
|
|
+ OMAP4430_RAV_VDD_CORE_L_MASK | OMAP4430_CMD_VDD_CORE_L_MASK);
|
|
|
+ vdd->write_reg(vc_val, prm_mod_offs, OMAP4_PRM_VC_CFG_CHANNEL_OFFSET);
|
|
|
|
|
|
- /* VC parameters */
|
|
|
- vdd->vc_reg.prm_mod = OMAP3430_GR_MOD;
|
|
|
- vdd->vc_reg.smps_sa_reg = OMAP3_PRM_VC_SMPS_SA_OFFSET;
|
|
|
- vdd->vc_reg.smps_volra_reg = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET;
|
|
|
- vdd->vc_reg.bypass_val_reg = OMAP3_PRM_VC_BYPASS_VAL_OFFSET;
|
|
|
- vdd->vc_reg.voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET;
|
|
|
- vdd->vc_reg.data_shift = OMAP3430_DATA_SHIFT;
|
|
|
- vdd->vc_reg.slaveaddr_shift = OMAP3430_SLAVEADDR_SHIFT;
|
|
|
- vdd->vc_reg.regaddr_shift = OMAP3430_REGADDR_SHIFT;
|
|
|
- vdd->vc_reg.valid = OMAP3430_VALID_MASK;
|
|
|
- vdd->vc_reg.cmd_on_shift = OMAP3430_VC_CMD_ON_SHIFT;
|
|
|
- vdd->vc_reg.cmd_on_mask = OMAP3430_VC_CMD_ON_MASK;
|
|
|
- vdd->vc_reg.cmd_onlp_shift = OMAP3430_VC_CMD_ONLP_SHIFT;
|
|
|
- vdd->vc_reg.cmd_ret_shift = OMAP3430_VC_CMD_RET_SHIFT;
|
|
|
- vdd->vc_reg.cmd_off_shift = OMAP3430_VC_CMD_OFF_SHIFT;
|
|
|
-
|
|
|
- vdd->vp_reg.prm_mod = OMAP3430_GR_MOD;
|
|
|
-
|
|
|
- /* VPCONFIG bit fields */
|
|
|
- vdd->vp_reg.vpconfig_erroroffset = (vdd->pmic_info->vp_erroroffset <<
|
|
|
- OMAP3430_ERROROFFSET_SHIFT);
|
|
|
- vdd->vp_reg.vpconfig_errorgain_mask = OMAP3430_ERRORGAIN_MASK;
|
|
|
- vdd->vp_reg.vpconfig_errorgain_shift = OMAP3430_ERRORGAIN_SHIFT;
|
|
|
- vdd->vp_reg.vpconfig_initvoltage_shift = OMAP3430_INITVOLTAGE_SHIFT;
|
|
|
- vdd->vp_reg.vpconfig_initvoltage_mask = OMAP3430_INITVOLTAGE_MASK;
|
|
|
- vdd->vp_reg.vpconfig_timeouten = OMAP3430_TIMEOUTEN_MASK;
|
|
|
- vdd->vp_reg.vpconfig_initvdd = OMAP3430_INITVDD_MASK;
|
|
|
- vdd->vp_reg.vpconfig_forceupdate = OMAP3430_FORCEUPDATE_MASK;
|
|
|
- vdd->vp_reg.vpconfig_vpenable = OMAP3430_VPENABLE_MASK;
|
|
|
-
|
|
|
- /* VSTEPMIN VSTEPMAX bit fields */
|
|
|
- waittime = ((vdd->pmic_info->step_size / vdd->pmic_info->slew_rate) *
|
|
|
- sys_clk_speed) / 1000;
|
|
|
- vdd->vp_reg.vstepmin_smpswaittimemin = waittime;
|
|
|
- vdd->vp_reg.vstepmax_smpswaittimemax = waittime;
|
|
|
- vdd->vp_reg.vstepmin_stepmin = vdd->pmic_info->vp_vstepmin;
|
|
|
- vdd->vp_reg.vstepmax_stepmax = vdd->pmic_info->vp_vstepmax;
|
|
|
- vdd->vp_reg.vstepmin_smpswaittimemin_shift =
|
|
|
- OMAP3430_SMPSWAITTIMEMIN_SHIFT;
|
|
|
- vdd->vp_reg.vstepmax_smpswaittimemax_shift =
|
|
|
- OMAP3430_SMPSWAITTIMEMAX_SHIFT;
|
|
|
- vdd->vp_reg.vstepmin_stepmin_shift = OMAP3430_VSTEPMIN_SHIFT;
|
|
|
- vdd->vp_reg.vstepmax_stepmax_shift = OMAP3430_VSTEPMAX_SHIFT;
|
|
|
-
|
|
|
- /* VLIMITTO bit fields */
|
|
|
- timeout_val = (sys_clk_speed * vdd->pmic_info->vp_timeout_us) / 1000;
|
|
|
- vdd->vp_reg.vlimitto_timeout = timeout_val;
|
|
|
- vdd->vp_reg.vlimitto_vddmin = vdd->pmic_info->vp_vddmin;
|
|
|
- vdd->vp_reg.vlimitto_vddmax = vdd->pmic_info->vp_vddmax;
|
|
|
- vdd->vp_reg.vlimitto_vddmin_shift = OMAP3430_VDDMIN_SHIFT;
|
|
|
- vdd->vp_reg.vlimitto_vddmax_shift = OMAP3430_VDDMAX_SHIFT;
|
|
|
- vdd->vp_reg.vlimitto_timeout_shift = OMAP3430_TIMEOUT_SHIFT;
|
|
|
+ /* XXX These are magic numbers and do not belong! */
|
|
|
+ vc_val = (0x60 << OMAP4430_SCLL_SHIFT | 0x26 << OMAP4430_SCLH_SHIFT);
|
|
|
+ vdd->write_reg(vc_val, prm_mod_offs, OMAP4_PRM_VC_CFG_I2C_CLK_OFFSET);
|
|
|
|
|
|
- return 0;
|
|
|
+ is_initialized = true;
|
|
|
}
|
|
|
|
|
|
-/* OMAP4 specific voltage init functions */
|
|
|
-static void __init omap4_vc_init(struct omap_vdd_info *vdd)
|
|
|
+static void __init omap_vc_init(struct omap_vdd_info *vdd)
|
|
|
{
|
|
|
u32 vc_val;
|
|
|
- u16 mod;
|
|
|
- static bool is_initialized;
|
|
|
|
|
|
if (!vdd->pmic_info || !vdd->pmic_info->uv_to_vsel) {
|
|
|
pr_err("%s: PMIC info requried to configure vc for"
|
|
@@ -947,173 +613,61 @@ static void __init omap4_vc_init(struct omap_vdd_info *vdd)
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
- mod = vdd->vc_reg.prm_mod;
|
|
|
-
|
|
|
/* Set up the SMPS_SA(i2c slave address in VC */
|
|
|
- vc_val = vdd->read_reg(mod, vdd->vc_reg.smps_sa_reg);
|
|
|
- vc_val &= ~vdd->vc_reg.smps_sa_mask;
|
|
|
- vc_val |= vdd->pmic_info->i2c_slave_addr << vdd->vc_reg.smps_sa_shift;
|
|
|
- vdd->write_reg(vc_val, mod, vdd->vc_reg.smps_sa_reg);
|
|
|
+ vc_val = vdd->read_reg(prm_mod_offs,
|
|
|
+ vdd->vc_data->vc_common->smps_sa_reg);
|
|
|
+ vc_val &= ~vdd->vc_data->smps_sa_mask;
|
|
|
+ vc_val |= vdd->pmic_info->i2c_slave_addr << vdd->vc_data->smps_sa_shift;
|
|
|
+ vdd->write_reg(vc_val, prm_mod_offs,
|
|
|
+ vdd->vc_data->vc_common->smps_sa_reg);
|
|
|
|
|
|
/* Setup the VOLRA(pmic reg addr) in VC */
|
|
|
- vc_val = vdd->read_reg(mod, vdd->vc_reg.smps_volra_reg);
|
|
|
- vc_val &= ~vdd->vc_reg.smps_volra_mask;
|
|
|
- vc_val |= vdd->pmic_info->pmic_reg << vdd->vc_reg.smps_volra_shift;
|
|
|
- vdd->write_reg(vc_val, mod, vdd->vc_reg.smps_volra_reg);
|
|
|
-
|
|
|
- /* TODO: Configure setup times and CMD_VAL values*/
|
|
|
-
|
|
|
- if (is_initialized)
|
|
|
- return;
|
|
|
-
|
|
|
- /* Generic VC parameters init */
|
|
|
- vc_val = (OMAP4430_RAV_VDD_MPU_L_MASK | OMAP4430_CMD_VDD_MPU_L_MASK |
|
|
|
- OMAP4430_RAV_VDD_IVA_L_MASK | OMAP4430_CMD_VDD_IVA_L_MASK |
|
|
|
- OMAP4430_RAV_VDD_CORE_L_MASK | OMAP4430_CMD_VDD_CORE_L_MASK);
|
|
|
- vdd->write_reg(vc_val, mod, OMAP4_PRM_VC_CFG_CHANNEL_OFFSET);
|
|
|
-
|
|
|
- vc_val = (0x60 << OMAP4430_SCLL_SHIFT | 0x26 << OMAP4430_SCLH_SHIFT);
|
|
|
- vdd->write_reg(vc_val, mod, OMAP4_PRM_VC_CFG_I2C_CLK_OFFSET);
|
|
|
+ vc_val = vdd->read_reg(prm_mod_offs,
|
|
|
+ vdd->vc_data->vc_common->smps_volra_reg);
|
|
|
+ vc_val &= ~vdd->vc_data->smps_volra_mask;
|
|
|
+ vc_val |= vdd->pmic_info->pmic_reg << vdd->vc_data->smps_volra_shift;
|
|
|
+ vdd->write_reg(vc_val, prm_mod_offs,
|
|
|
+ vdd->vc_data->vc_common->smps_volra_reg);
|
|
|
+
|
|
|
+ /* Configure the setup times */
|
|
|
+ vc_val = vdd->read_reg(prm_mod_offs, vdd->vfsm->voltsetup_reg);
|
|
|
+ vc_val &= ~vdd->vfsm->voltsetup_mask;
|
|
|
+ vc_val |= vdd->pmic_info->volt_setup_time <<
|
|
|
+ vdd->vfsm->voltsetup_shift;
|
|
|
+ vdd->write_reg(vc_val, prm_mod_offs, vdd->vfsm->voltsetup_reg);
|
|
|
|
|
|
- is_initialized = true;
|
|
|
+ if (cpu_is_omap34xx())
|
|
|
+ omap3_vc_init(vdd);
|
|
|
+ else if (cpu_is_omap44xx())
|
|
|
+ omap4_vc_init(vdd);
|
|
|
}
|
|
|
|
|
|
-/* Sets up all the VDD related info for OMAP4 */
|
|
|
-static int __init omap4_vdd_data_configure(struct omap_vdd_info *vdd)
|
|
|
+static int __init omap_vdd_data_configure(struct omap_vdd_info *vdd)
|
|
|
{
|
|
|
- struct clk *sys_ck;
|
|
|
- u32 sys_clk_speed, timeout_val, waittime;
|
|
|
+ int ret = -EINVAL;
|
|
|
|
|
|
if (!vdd->pmic_info) {
|
|
|
pr_err("%s: PMIC info requried to configure vdd_%s not"
|
|
|
"populated.Hence cannot initialize vdd_%s\n",
|
|
|
__func__, vdd->voltdm.name, vdd->voltdm.name);
|
|
|
- return -EINVAL;
|
|
|
+ goto ovdc_out;
|
|
|
}
|
|
|
|
|
|
- if (!strcmp(vdd->voltdm.name, "mpu")) {
|
|
|
- vdd->volt_data = omap44xx_vdd_mpu_volt_data;
|
|
|
- vdd->vp_reg.tranxdone_status =
|
|
|
- OMAP4430_VP_MPU_TRANXDONE_ST_MASK;
|
|
|
- vdd->vc_reg.cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_MPU_L_OFFSET;
|
|
|
- vdd->vc_reg.smps_sa_shift =
|
|
|
- OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_SHIFT;
|
|
|
- vdd->vc_reg.smps_sa_mask =
|
|
|
- OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_MASK;
|
|
|
- vdd->vc_reg.smps_volra_shift = OMAP4430_VOLRA_VDD_MPU_L_SHIFT;
|
|
|
- vdd->vc_reg.smps_volra_mask = OMAP4430_VOLRA_VDD_MPU_L_MASK;
|
|
|
- vdd->vc_reg.voltsetup_reg =
|
|
|
- OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET;
|
|
|
- vdd->prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_2_OFFSET;
|
|
|
- } else if (!strcmp(vdd->voltdm.name, "core")) {
|
|
|
- vdd->volt_data = omap44xx_vdd_core_volt_data;
|
|
|
- vdd->vp_reg.tranxdone_status =
|
|
|
- OMAP4430_VP_CORE_TRANXDONE_ST_MASK;
|
|
|
- vdd->vc_reg.cmdval_reg =
|
|
|
- OMAP4_PRM_VC_VAL_CMD_VDD_CORE_L_OFFSET;
|
|
|
- vdd->vc_reg.smps_sa_shift = OMAP4430_SA_VDD_CORE_L_0_6_SHIFT;
|
|
|
- vdd->vc_reg.smps_sa_mask = OMAP4430_SA_VDD_CORE_L_0_6_MASK;
|
|
|
- vdd->vc_reg.smps_volra_shift = OMAP4430_VOLRA_VDD_CORE_L_SHIFT;
|
|
|
- vdd->vc_reg.smps_volra_mask = OMAP4430_VOLRA_VDD_CORE_L_MASK;
|
|
|
- vdd->vc_reg.voltsetup_reg =
|
|
|
- OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET;
|
|
|
- vdd->prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_OFFSET;
|
|
|
- } else if (!strcmp(vdd->voltdm.name, "iva")) {
|
|
|
- vdd->volt_data = omap44xx_vdd_iva_volt_data;
|
|
|
- vdd->vp_reg.tranxdone_status =
|
|
|
- OMAP4430_VP_IVA_TRANXDONE_ST_MASK;
|
|
|
- vdd->vc_reg.cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_IVA_L_OFFSET;
|
|
|
- vdd->vc_reg.smps_sa_shift =
|
|
|
- OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_SHIFT;
|
|
|
- vdd->vc_reg.smps_sa_mask =
|
|
|
- OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_MASK;
|
|
|
- vdd->vc_reg.smps_volra_shift = OMAP4430_VOLRA_VDD_IVA_L_SHIFT;
|
|
|
- vdd->vc_reg.smps_volra_mask = OMAP4430_VOLRA_VDD_IVA_L_MASK;
|
|
|
- vdd->vc_reg.voltsetup_reg =
|
|
|
- OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET;
|
|
|
- vdd->prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_OFFSET;
|
|
|
- } else {
|
|
|
- pr_warning("%s: vdd_%s does not exisit in OMAP4\n",
|
|
|
- __func__, vdd->voltdm.name);
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
+ if (IS_ERR_VALUE(_config_common_vdd_data(vdd)))
|
|
|
+ goto ovdc_out;
|
|
|
|
|
|
- /*
|
|
|
- * Sys clk rate is require to calculate vp timeout value and
|
|
|
- * smpswaittimemin and smpswaittimemax.
|
|
|
- */
|
|
|
- sys_ck = clk_get(NULL, "sys_clkin_ck");
|
|
|
- if (IS_ERR(sys_ck)) {
|
|
|
- pr_warning("%s: Could not get the sys clk to calculate"
|
|
|
- "various vdd_%s params\n", __func__, vdd->voltdm.name);
|
|
|
- return -EINVAL;
|
|
|
+ if (cpu_is_omap34xx()) {
|
|
|
+ vdd->read_reg = omap3_voltage_read_reg;
|
|
|
+ vdd->write_reg = omap3_voltage_write_reg;
|
|
|
+ ret = 0;
|
|
|
+ } else if (cpu_is_omap44xx()) {
|
|
|
+ vdd->read_reg = omap4_voltage_read_reg;
|
|
|
+ vdd->write_reg = omap4_voltage_write_reg;
|
|
|
+ ret = 0;
|
|
|
}
|
|
|
- sys_clk_speed = clk_get_rate(sys_ck);
|
|
|
- clk_put(sys_ck);
|
|
|
- /* Divide to avoid overflow */
|
|
|
- sys_clk_speed /= 1000;
|
|
|
-
|
|
|
- /* Generic voltage parameters */
|
|
|
- vdd->curr_volt = 1200000;
|
|
|
- vdd->ocp_mod = OMAP4430_PRM_OCP_SOCKET_INST;
|
|
|
- vdd->read_reg = omap4_voltage_read_reg;
|
|
|
- vdd->write_reg = omap4_voltage_write_reg;
|
|
|
- vdd->volt_scale = vp_forceupdate_scale_voltage;
|
|
|
- vdd->vp_enabled = false;
|
|
|
|
|
|
- /* VC parameters */
|
|
|
- vdd->vc_reg.prm_mod = OMAP4430_PRM_DEVICE_INST;
|
|
|
- vdd->vc_reg.smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET;
|
|
|
- vdd->vc_reg.smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET;
|
|
|
- vdd->vc_reg.bypass_val_reg = OMAP4_PRM_VC_VAL_BYPASS_OFFSET;
|
|
|
- vdd->vc_reg.data_shift = OMAP4430_DATA_SHIFT;
|
|
|
- vdd->vc_reg.slaveaddr_shift = OMAP4430_SLAVEADDR_SHIFT;
|
|
|
- vdd->vc_reg.regaddr_shift = OMAP4430_REGADDR_SHIFT;
|
|
|
- vdd->vc_reg.valid = OMAP4430_VALID_MASK;
|
|
|
- vdd->vc_reg.cmd_on_shift = OMAP4430_ON_SHIFT;
|
|
|
- vdd->vc_reg.cmd_on_mask = OMAP4430_ON_MASK;
|
|
|
- vdd->vc_reg.cmd_onlp_shift = OMAP4430_ONLP_SHIFT;
|
|
|
- vdd->vc_reg.cmd_ret_shift = OMAP4430_RET_SHIFT;
|
|
|
- vdd->vc_reg.cmd_off_shift = OMAP4430_OFF_SHIFT;
|
|
|
-
|
|
|
- vdd->vp_reg.prm_mod = OMAP4430_PRM_DEVICE_INST;
|
|
|
-
|
|
|
- /* VPCONFIG bit fields */
|
|
|
- vdd->vp_reg.vpconfig_erroroffset = (vdd->pmic_info->vp_erroroffset <<
|
|
|
- OMAP4430_ERROROFFSET_SHIFT);
|
|
|
- vdd->vp_reg.vpconfig_errorgain_mask = OMAP4430_ERRORGAIN_MASK;
|
|
|
- vdd->vp_reg.vpconfig_errorgain_shift = OMAP4430_ERRORGAIN_SHIFT;
|
|
|
- vdd->vp_reg.vpconfig_initvoltage_shift = OMAP4430_INITVOLTAGE_SHIFT;
|
|
|
- vdd->vp_reg.vpconfig_initvoltage_mask = OMAP4430_INITVOLTAGE_MASK;
|
|
|
- vdd->vp_reg.vpconfig_timeouten = OMAP4430_TIMEOUTEN_MASK;
|
|
|
- vdd->vp_reg.vpconfig_initvdd = OMAP4430_INITVDD_MASK;
|
|
|
- vdd->vp_reg.vpconfig_forceupdate = OMAP4430_FORCEUPDATE_MASK;
|
|
|
- vdd->vp_reg.vpconfig_vpenable = OMAP4430_VPENABLE_MASK;
|
|
|
-
|
|
|
- /* VSTEPMIN VSTEPMAX bit fields */
|
|
|
- waittime = ((vdd->pmic_info->step_size / vdd->pmic_info->slew_rate) *
|
|
|
- sys_clk_speed) / 1000;
|
|
|
- vdd->vp_reg.vstepmin_smpswaittimemin = waittime;
|
|
|
- vdd->vp_reg.vstepmax_smpswaittimemax = waittime;
|
|
|
- vdd->vp_reg.vstepmin_stepmin = vdd->pmic_info->vp_vstepmin;
|
|
|
- vdd->vp_reg.vstepmax_stepmax = vdd->pmic_info->vp_vstepmax;
|
|
|
- vdd->vp_reg.vstepmin_smpswaittimemin_shift =
|
|
|
- OMAP4430_SMPSWAITTIMEMIN_SHIFT;
|
|
|
- vdd->vp_reg.vstepmax_smpswaittimemax_shift =
|
|
|
- OMAP4430_SMPSWAITTIMEMAX_SHIFT;
|
|
|
- vdd->vp_reg.vstepmin_stepmin_shift = OMAP4430_VSTEPMIN_SHIFT;
|
|
|
- vdd->vp_reg.vstepmax_stepmax_shift = OMAP4430_VSTEPMAX_SHIFT;
|
|
|
-
|
|
|
- /* VLIMITTO bit fields */
|
|
|
- timeout_val = (sys_clk_speed * vdd->pmic_info->vp_timeout_us) / 1000;
|
|
|
- vdd->vp_reg.vlimitto_timeout = timeout_val;
|
|
|
- vdd->vp_reg.vlimitto_vddmin = vdd->pmic_info->vp_vddmin;
|
|
|
- vdd->vp_reg.vlimitto_vddmax = vdd->pmic_info->vp_vddmax;
|
|
|
- vdd->vp_reg.vlimitto_vddmin_shift = OMAP4430_VDDMIN_SHIFT;
|
|
|
- vdd->vp_reg.vlimitto_vddmax_shift = OMAP4430_VDDMAX_SHIFT;
|
|
|
- vdd->vp_reg.vlimitto_timeout_shift = OMAP4430_TIMEOUT_SHIFT;
|
|
|
-
|
|
|
- return 0;
|
|
|
+ovdc_out:
|
|
|
+ return ret;
|
|
|
}
|
|
|
|
|
|
/* Public functions */
|
|
@@ -1161,8 +715,7 @@ unsigned long omap_vp_get_curr_volt(struct voltagedomain *voltdm)
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
- curr_vsel = vdd->read_reg(vdd->vp_reg.prm_mod,
|
|
|
- vdd->vp_offs.voltage);
|
|
|
+ curr_vsel = vdd->read_reg(prm_mod_offs, vdd->vp_data->voltage);
|
|
|
|
|
|
if (!vdd->pmic_info || !vdd->pmic_info->vsel_to_uv) {
|
|
|
pr_warning("%s: PMIC function to convert vsel to voltage"
|
|
@@ -1184,7 +737,6 @@ void omap_vp_enable(struct voltagedomain *voltdm)
|
|
|
{
|
|
|
struct omap_vdd_info *vdd;
|
|
|
u32 vpconfig;
|
|
|
- u16 mod;
|
|
|
|
|
|
if (!voltdm || IS_ERR(voltdm)) {
|
|
|
pr_warning("%s: VDD specified does not exist!\n", __func__);
|
|
@@ -1198,8 +750,6 @@ void omap_vp_enable(struct voltagedomain *voltdm)
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
- mod = vdd->vp_reg.prm_mod;
|
|
|
-
|
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/* If VP is already enabled, do nothing. Return */
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if (vdd->vp_enabled)
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return;
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@@ -1207,9 +757,9 @@ void omap_vp_enable(struct voltagedomain *voltdm)
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vp_latch_vsel(vdd);
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/* Enable VP */
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- vpconfig = vdd->read_reg(mod, vdd->vp_offs.vpconfig);
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- vpconfig |= vdd->vp_reg.vpconfig_vpenable;
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- vdd->write_reg(vpconfig, mod, vdd->vp_offs.vpconfig);
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+ vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig);
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+ vpconfig |= vdd->vp_data->vp_common->vpconfig_vpenable;
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+ vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig);
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vdd->vp_enabled = true;
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}
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@@ -1224,7 +774,6 @@ void omap_vp_disable(struct voltagedomain *voltdm)
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{
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struct omap_vdd_info *vdd;
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u32 vpconfig;
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- u16 mod;
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int timeout;
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if (!voltdm || IS_ERR(voltdm)) {
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@@ -1239,8 +788,6 @@ void omap_vp_disable(struct voltagedomain *voltdm)
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return;
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}
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- mod = vdd->vp_reg.prm_mod;
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-
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/* If VP is already disabled, do nothing. Return */
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if (!vdd->vp_enabled) {
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pr_warning("%s: Trying to disable VP for vdd_%s when"
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@@ -1249,14 +796,14 @@ void omap_vp_disable(struct voltagedomain *voltdm)
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}
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/* Disable VP */
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- vpconfig = vdd->read_reg(mod, vdd->vp_offs.vpconfig);
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- vpconfig &= ~vdd->vp_reg.vpconfig_vpenable;
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- vdd->write_reg(vpconfig, mod, vdd->vp_offs.vpconfig);
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+ vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig);
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|
+ vpconfig &= ~vdd->vp_data->vp_common->vpconfig_vpenable;
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|
|
+ vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig);
|
|
|
|
|
|
/*
|
|
|
* Wait for VP idle Typical latency is <2us. Maximum latency is ~100us
|
|
|
*/
|
|
|
- omap_test_timeout((vdd->read_reg(mod, vdd->vp_offs.vstatus)),
|
|
|
+ omap_test_timeout((vdd->read_reg(prm_mod_offs, vdd->vp_data->vstatus)),
|
|
|
VP_IDLE_TIMEOUT, timeout);
|
|
|
|
|
|
if (timeout >= VP_IDLE_TIMEOUT)
|
|
@@ -1509,8 +1056,8 @@ struct voltagedomain *omap_voltage_domain_lookup(char *name)
|
|
|
}
|
|
|
|
|
|
for (i = 0; i < nr_scalable_vdd; i++) {
|
|
|
- if (!(strcmp(name, vdd_info[i].voltdm.name)))
|
|
|
- return &vdd_info[i].voltdm;
|
|
|
+ if (!(strcmp(name, vdd_info[i]->voltdm.name)))
|
|
|
+ return &vdd_info[i]->voltdm;
|
|
|
}
|
|
|
|
|
|
return ERR_PTR(-EINVAL);
|
|
@@ -1538,35 +1085,24 @@ int __init omap_voltage_late_init(void)
|
|
|
pr_err("%s: Unable to create voltage debugfs main dir\n",
|
|
|
__func__);
|
|
|
for (i = 0; i < nr_scalable_vdd; i++) {
|
|
|
- if (vdd_data_configure(&vdd_info[i]))
|
|
|
+ if (omap_vdd_data_configure(vdd_info[i]))
|
|
|
continue;
|
|
|
- vc_init(&vdd_info[i]);
|
|
|
- vp_init(&vdd_info[i]);
|
|
|
- vdd_debugfs_init(&vdd_info[i]);
|
|
|
+ omap_vc_init(vdd_info[i]);
|
|
|
+ vp_init(vdd_info[i]);
|
|
|
+ vdd_debugfs_init(vdd_info[i]);
|
|
|
}
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-/**
|
|
|
- * omap_voltage_early_init()- Volatage driver early init
|
|
|
- */
|
|
|
-static int __init omap_voltage_early_init(void)
|
|
|
+/* XXX document */
|
|
|
+int __init omap_voltage_early_init(s16 prm_mod, s16 prm_irqst_ocp_mod,
|
|
|
+ struct omap_vdd_info *omap_vdd_array[],
|
|
|
+ u8 omap_vdd_count)
|
|
|
{
|
|
|
- if (cpu_is_omap34xx()) {
|
|
|
- vdd_info = omap3_vdd_info;
|
|
|
- nr_scalable_vdd = OMAP3_NR_SCALABLE_VDD;
|
|
|
- vc_init = omap3_vc_init;
|
|
|
- vdd_data_configure = omap3_vdd_data_configure;
|
|
|
- } else if (cpu_is_omap44xx()) {
|
|
|
- vdd_info = omap4_vdd_info;
|
|
|
- nr_scalable_vdd = OMAP4_NR_SCALABLE_VDD;
|
|
|
- vc_init = omap4_vc_init;
|
|
|
- vdd_data_configure = omap4_vdd_data_configure;
|
|
|
- } else {
|
|
|
- pr_warning("%s: voltage driver support not added\n", __func__);
|
|
|
- }
|
|
|
-
|
|
|
+ prm_mod_offs = prm_mod;
|
|
|
+ prm_irqst_ocp_mod_offs = prm_irqst_ocp_mod;
|
|
|
+ vdd_info = omap_vdd_array;
|
|
|
+ nr_scalable_vdd = omap_vdd_count;
|
|
|
return 0;
|
|
|
}
|
|
|
-core_initcall(omap_voltage_early_init);
|