From patchwork Mon Aug 29 17:35:35 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Hilman X-Patchwork-Id: 1109242 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p7THrWSk008158 for ; Mon, 29 Aug 2011 17:53:37 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754517Ab1H2Rfj (ORCPT ); Mon, 29 Aug 2011 13:35:39 -0400 Received: from na3sys009aog108.obsmtp.com ([74.125.149.199]:34643 "EHLO na3sys009aog108.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754454Ab1H2Rfh (ORCPT ); Mon, 29 Aug 2011 13:35:37 -0400 Received: from mail-pz0-f45.google.com ([209.85.210.45]) (using TLSv1) by na3sys009aob108.postini.com ([74.125.148.12]) with SMTP ID DSNKTlvN6GvECTdex7+gcv9yh8VbWZHJDvsh@postini.com; Mon, 29 Aug 2011 10:35:36 PDT Received: by mail-pz0-f45.google.com with SMTP id 33so11751723pzk.32 for ; Mon, 29 Aug 2011 10:35:36 -0700 (PDT) Received: by 10.143.61.13 with SMTP id o13mr227132wfk.122.1314639334968; Mon, 29 Aug 2011 10:35:34 -0700 (PDT) Received: from localhost.localdomain (c-24-19-7-36.hsd1.wa.comcast.net. [24.19.7.36]) by mx.google.com with ESMTPS id m1sm19531524pbf.3.2011.08.29.10.35.33 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 29 Aug 2011 10:35:34 -0700 (PDT) From: Kevin Hilman To: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Subject: [PATCH 02/22] OMAP2+: voltage: move PRCM mod offets into VC/VP structures Date: Mon, 29 Aug 2011 10:35:35 -0700 Message-Id: <1314639355-12713-3-git-send-email-khilman@ti.com> X-Mailer: git-send-email 1.7.6 In-Reply-To: <1314639355-12713-1-git-send-email-khilman@ti.com> References: <1314639355-12713-1-git-send-email-khilman@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Mon, 29 Aug 2011 17:53:37 +0000 (UTC) Eliminate need for global variables for the various PRM module offsets by making them part of the VP/VC common structures Eventually, these will likely be moved again, or more likely removed when VP/VC code is isolated, but for now just getting rid of them as global variabes so that the voltage domain initialization can be cleaned up. Signed-off-by: Kevin Hilman --- arch/arm/mach-omap2/vc.h | 2 + arch/arm/mach-omap2/vc3xxx_data.c | 1 + arch/arm/mach-omap2/vc44xx_data.c | 1 + arch/arm/mach-omap2/voltage.c | 109 ++++++++++++------------- arch/arm/mach-omap2/voltage.h | 6 +- arch/arm/mach-omap2/voltagedomains3xxx_data.c | 8 +- arch/arm/mach-omap2/voltagedomains44xx_data.c | 9 +- arch/arm/mach-omap2/vp.h | 2 + arch/arm/mach-omap2/vp3xxx_data.c | 1 + arch/arm/mach-omap2/vp44xx_data.c | 1 + 10 files changed, 70 insertions(+), 70 deletions(-) diff --git a/arch/arm/mach-omap2/vc.h b/arch/arm/mach-omap2/vc.h index e776777..f7338af 100644 --- a/arch/arm/mach-omap2/vc.h +++ b/arch/arm/mach-omap2/vc.h @@ -23,6 +23,7 @@ * struct omap_vc_common_data - per-VC register/bitfield data * @cmd_on_mask: ON bitmask in PRM_VC_CMD_VAL* register * @valid: VALID bitmask in PRM_VC_BYPASS_VAL register + * @prm_mod: PRM module id used for PRM register access * @smps_sa_reg: Offset of PRM_VC_SMPS_SA reg from PRM start * @smps_volra_reg: Offset of PRM_VC_SMPS_VOL_RA reg from PRM start * @bypass_val_reg: Offset of PRM_VC_BYPASS_VAL reg from PRM start @@ -40,6 +41,7 @@ struct omap_vc_common_data { u32 cmd_on_mask; u32 valid; + s16 prm_mod; u8 smps_sa_reg; u8 smps_volra_reg; u8 bypass_val_reg; diff --git a/arch/arm/mach-omap2/vc3xxx_data.c b/arch/arm/mach-omap2/vc3xxx_data.c index f37dc4b..55caccb 100644 --- a/arch/arm/mach-omap2/vc3xxx_data.c +++ b/arch/arm/mach-omap2/vc3xxx_data.c @@ -30,6 +30,7 @@ * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file. */ static struct omap_vc_common_data omap3_vc_common = { + .prm_mod = OMAP3430_GR_MOD, .smps_sa_reg = OMAP3_PRM_VC_SMPS_SA_OFFSET, .smps_volra_reg = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET, .bypass_val_reg = OMAP3_PRM_VC_BYPASS_VAL_OFFSET, diff --git a/arch/arm/mach-omap2/vc44xx_data.c b/arch/arm/mach-omap2/vc44xx_data.c index a98da8d..b62678e 100644 --- a/arch/arm/mach-omap2/vc44xx_data.c +++ b/arch/arm/mach-omap2/vc44xx_data.c @@ -31,6 +31,7 @@ * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file. */ static const struct omap_vc_common_data omap4_vc_common = { + .prm_mod = OMAP4430_PRM_DEVICE_INST, .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, .bypass_val_reg = OMAP4_PRM_VC_VAL_BYPASS_OFFSET, diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c index 9ef3789..3151d75 100644 --- a/arch/arm/mach-omap2/voltage.c +++ b/arch/arm/mach-omap2/voltage.c @@ -50,10 +50,6 @@ static struct omap_vdd_info **vdd_info; */ static int nr_scalable_vdd; -/* XXX document */ -static s16 prm_mod_offs; -static s16 prm_irqst_ocp_mod_offs; - static struct dentry *voltage_dir; /* Init function pointers */ @@ -147,7 +143,7 @@ static int vp_volt_debug_get(void *data, u64 *val) return -EINVAL; } - vsel = vdd->read_reg(prm_mod_offs, vdd->vp_data->voltage); + vsel = vdd->read_reg(vdd->vp_data->vp_common->prm_mod, vdd->vp_data->voltage); if (!vdd->pmic_info->vsel_to_uv) { pr_warning("PMIC function to convert vsel to voltage" @@ -197,19 +193,19 @@ static void vp_latch_vsel(struct omap_vdd_info *vdd) vsel = vdd->pmic_info->uv_to_vsel(uvdc); - vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig); + vpconfig = vdd->read_reg(vdd->vp_data->vp_common->prm_mod, 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, prm_mod_offs, vdd->vp_data->vpconfig); + vdd->write_reg(vpconfig, vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); /* Trigger initVDD value copy to voltage processor */ vdd->write_reg((vpconfig | vdd->vp_data->vp_common->vpconfig_initvdd), - prm_mod_offs, vdd->vp_data->vpconfig); + vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); /* Clear initVDD copy trigger bit */ - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); + vdd->write_reg(vpconfig, vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); } /* Generic voltage init functions */ @@ -227,19 +223,19 @@ static void __init vp_init(struct omap_vdd_info *vdd) (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); + vdd->write_reg(vp_val, vdd->vp_data->vp_common->prm_mod, 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); + vdd->write_reg(vp_val, vdd->vp_data->vp_common->prm_mod, 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); + vdd->write_reg(vp_val, vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vstepmax); vp_val = ((vdd->vp_rt_data.vlimitto_vddmax << vdd->vp_data->vp_common->vlimitto_vddmax_shift) | @@ -247,7 +243,7 @@ static void __init vp_init(struct omap_vdd_info *vdd) 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); + vdd->write_reg(vp_val, vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vlimitto); } static void __init vdd_debugfs_init(struct omap_vdd_info *vdd) @@ -336,23 +332,23 @@ static int _pre_volt_scale(struct omap_vdd_info *vdd, volt_data = NULL; *target_vsel = vdd->pmic_info->uv_to_vsel(target_volt); - *current_vsel = vdd->read_reg(prm_mod_offs, vdd->vp_data->voltage); + *current_vsel = vdd->read_reg(vdd->vp_data->vp_common->prm_mod, vdd->vp_data->voltage); /* Setting the ON voltage to the new target voltage */ - vc_cmdval = vdd->read_reg(prm_mod_offs, vdd->vc_data->cmdval_reg); + vc_cmdval = vdd->read_reg(vdd->vc_data->vc_common->prm_mod, 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); + vdd->write_reg(vc_cmdval, vdd->vc_data->vc_common->prm_mod, vdd->vc_data->cmdval_reg); /* Setting vp errorgain based on the voltage */ if (volt_data) { - vp_errgain_val = vdd->read_reg(prm_mod_offs, + vp_errgain_val = vdd->read_reg(vdd->vp_data->vp_common->prm_mod, 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->write_reg(vp_errgain_val, vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); } @@ -394,11 +390,11 @@ static int vc_bypass_scale_voltage(struct omap_vdd_info *vdd, (vdd->pmic_info->i2c_slave_addr << vdd->vc_data->vc_common->slaveaddr_shift); - vdd->write_reg(vc_bypass_value, prm_mod_offs, vc_bypass_val_reg); - vdd->write_reg(vc_bypass_value | vc_valid, prm_mod_offs, + vdd->write_reg(vc_bypass_value, vdd->vc_data->vc_common->prm_mod, vc_bypass_val_reg); + vdd->write_reg(vc_bypass_value | vc_valid, vdd->vc_data->vc_common->prm_mod, vc_bypass_val_reg); - vc_bypass_value = vdd->read_reg(prm_mod_offs, vc_bypass_val_reg); + vc_bypass_value = vdd->read_reg(vdd->vc_data->vc_common->prm_mod, 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 @@ -417,7 +413,7 @@ static int vc_bypass_scale_voltage(struct omap_vdd_info *vdd, loop_cnt = 0; udelay(10); } - vc_bypass_value = vdd->read_reg(prm_mod_offs, + vc_bypass_value = vdd->read_reg(vdd->vc_data->vc_common->prm_mod, vc_bypass_val_reg); } @@ -445,8 +441,8 @@ static int vp_forceupdate_scale_voltage(struct omap_vdd_info *vdd, */ while (timeout++ < VP_TRANXDONE_TIMEOUT) { 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->prm_irqst_mod, prm_irqst_reg); + if (!(vdd->read_reg(vdd->prm_irqst_mod, prm_irqst_reg) & vdd->vp_data->prm_irqst_data->tranxdone_status)) break; udelay(1); @@ -458,28 +454,28 @@ static int vp_forceupdate_scale_voltage(struct omap_vdd_info *vdd, } /* Configure for VP-Force Update */ - vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig); + vpconfig = vdd->read_reg(vdd->vp_data->vp_common->prm_mod, 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_data->vp_common->vpconfig_initvoltage_shift)); - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); + vdd->write_reg(vpconfig, vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); /* Trigger initVDD value copy to voltage processor */ vpconfig |= vdd->vp_data->vp_common->vpconfig_initvdd; - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); + vdd->write_reg(vpconfig, vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); /* Force update of voltage */ vpconfig |= vdd->vp_data->vp_common->vpconfig_forceupdate; - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); + vdd->write_reg(vpconfig, vdd->vp_data->vp_common->prm_mod, 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(prm_irqst_ocp_mod_offs, prm_irqst_reg) & + omap_test_timeout((vdd->read_reg(vdd->prm_irqst_mod, prm_irqst_reg) & vdd->vp_data->prm_irqst_data->tranxdone_status), VP_TRANXDONE_TIMEOUT, timeout); if (timeout >= VP_TRANXDONE_TIMEOUT) @@ -496,8 +492,8 @@ static int vp_forceupdate_scale_voltage(struct omap_vdd_info *vdd, timeout = 0; while (timeout++ < VP_TRANXDONE_TIMEOUT) { 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->prm_irqst_mod, prm_irqst_reg); + if (!(vdd->read_reg(vdd->prm_irqst_mod, prm_irqst_reg) & vdd->vp_data->prm_irqst_data->tranxdone_status)) break; udelay(1); @@ -508,13 +504,13 @@ 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(prm_mod_offs, vdd->vp_data->vpconfig); + vpconfig = vdd->read_reg(vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); /* Clear initVDD copy trigger bit */ vpconfig &= ~vdd->vp_data->vp_common->vpconfig_initvdd; - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); + vdd->write_reg(vpconfig, vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); /* Clear force bit */ vpconfig &= ~vdd->vp_data->vp_common->vpconfig_forceupdate; - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); + vdd->write_reg(vpconfig, vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); return 0; } @@ -525,10 +521,10 @@ 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, + vdd->write_reg(OMAP3_CLKSETUP, vdd->vc_data->vc_common->prm_mod, OMAP3_PRM_CLKSETUP_OFFSET); + vdd->write_reg(OMAP3_VOLTOFFSET, vdd->vc_data->vc_common->prm_mod, OMAP3_PRM_VOLTOFFSET_OFFSET); - vdd->write_reg(OMAP3_VOLTSETUP2, prm_mod_offs, + vdd->write_reg(OMAP3_VOLTSETUP2, vdd->vc_data->vc_common->prm_mod, OMAP3_PRM_VOLTSETUP2_OFFSET); } @@ -550,15 +546,15 @@ static void __init omap3_vc_init(struct omap_vdd_info *vdd) (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); + vdd->write_reg(vc_val, vdd->vc_data->vc_common->prm_mod, vdd->vc_data->cmdval_reg); /* * Generic VC parameters init * XXX This data should be abstracted out */ - vdd->write_reg(OMAP3430_CMD1_MASK | OMAP3430_RAV1_MASK, prm_mod_offs, + vdd->write_reg(OMAP3430_CMD1_MASK | OMAP3430_RAV1_MASK, vdd->vc_data->vc_common->prm_mod, OMAP3_PRM_VC_CH_CONF_OFFSET); - vdd->write_reg(OMAP3430_MCODE_SHIFT | OMAP3430_HSEN_MASK, prm_mod_offs, + vdd->write_reg(OMAP3430_MCODE_SHIFT | OMAP3430_HSEN_MASK, vdd->vc_data->vc_common->prm_mod, OMAP3_PRM_VC_I2C_CFG_OFFSET); omap3_vfsm_init(vdd); @@ -585,11 +581,11 @@ static void __init omap4_vc_init(struct omap_vdd_info *vdd) 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); + vdd->write_reg(vc_val, vdd->vc_data->vc_common->prm_mod, OMAP4_PRM_VC_CFG_CHANNEL_OFFSET); /* 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); + vdd->write_reg(vc_val, vdd->vc_data->vc_common->prm_mod, OMAP4_PRM_VC_CFG_I2C_CLK_OFFSET); is_initialized = true; } @@ -612,27 +608,27 @@ static void __init omap_vc_init(struct omap_vdd_info *vdd) } /* Set up the SMPS_SA(i2c slave address in VC */ - vc_val = vdd->read_reg(prm_mod_offs, + vc_val = vdd->read_reg(vdd->vc_data->vc_common->prm_mod, 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->write_reg(vc_val, vdd->vc_data->vc_common->prm_mod, vdd->vc_data->vc_common->smps_sa_reg); /* Setup the VOLRA(pmic reg addr) in VC */ - vc_val = vdd->read_reg(prm_mod_offs, + vc_val = vdd->read_reg(vdd->vc_data->vc_common->prm_mod, 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->write_reg(vc_val, vdd->vc_data->vc_common->prm_mod, 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->read_reg(vdd->vc_data->vc_common->prm_mod, 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); + vdd->write_reg(vc_val, vdd->vc_data->vc_common->prm_mod, vdd->vfsm->voltsetup_reg); if (cpu_is_omap34xx()) omap3_vc_init(vdd); @@ -713,7 +709,7 @@ unsigned long omap_vp_get_curr_volt(struct voltagedomain *voltdm) return 0; } - curr_vsel = vdd->read_reg(prm_mod_offs, vdd->vp_data->voltage); + curr_vsel = vdd->read_reg(vdd->vp_data->vp_common->prm_mod, vdd->vp_data->voltage); if (!vdd->pmic_info || !vdd->pmic_info->vsel_to_uv) { pr_warning("%s: PMIC function to convert vsel to voltage" @@ -755,9 +751,9 @@ void omap_vp_enable(struct voltagedomain *voltdm) vp_latch_vsel(vdd); /* Enable VP */ - vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig); + vpconfig = vdd->read_reg(vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); vpconfig |= vdd->vp_data->vp_common->vpconfig_vpenable; - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); + vdd->write_reg(vpconfig, vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); vdd->vp_enabled = true; } @@ -794,14 +790,14 @@ void omap_vp_disable(struct voltagedomain *voltdm) } /* Disable VP */ - vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig); + vpconfig = vdd->read_reg(vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); vpconfig &= ~vdd->vp_data->vp_common->vpconfig_vpenable; - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); + vdd->write_reg(vpconfig, vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vpconfig); /* * Wait for VP idle Typical latency is <2us. Maximum latency is ~100us */ - omap_test_timeout((vdd->read_reg(prm_mod_offs, vdd->vp_data->vstatus)), + omap_test_timeout((vdd->read_reg(vdd->vp_data->vp_common->prm_mod, vdd->vp_data->vstatus)), VP_IDLE_TIMEOUT, timeout); if (timeout >= VP_IDLE_TIMEOUT) @@ -1094,12 +1090,9 @@ int __init omap_voltage_late_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[], +int __init omap_voltage_early_init(struct omap_vdd_info *omap_vdd_array[], u8 omap_vdd_count) { - 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; diff --git a/arch/arm/mach-omap2/voltage.h b/arch/arm/mach-omap2/voltage.h index e9f5408..ffdc55e 100644 --- a/arch/arm/mach-omap2/voltage.h +++ b/arch/arm/mach-omap2/voltage.h @@ -119,6 +119,7 @@ struct omap_volt_pmic_info { * @voltdm : pointer to the voltage domain structure * @debug_dir : debug directory for this voltage domain. * @curr_volt : current voltage for this vdd. + * @prm_irqst_mod : PRM module id used for PRM IRQ status register access * @vp_enabled : flag to keep track of whether vp is enabled or not * @volt_scale : API to scale the voltage of the vdd. */ @@ -133,6 +134,8 @@ struct omap_vdd_info { struct dentry *debug_dir; u32 curr_volt; bool vp_enabled; + + s16 prm_irqst_mod; u32 (*read_reg) (u16 mod, u8 offset); void (*write_reg) (u32 val, u16 mod, u8 offset); int (*volt_scale) (struct omap_vdd_info *vdd, @@ -151,8 +154,7 @@ struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm, unsigned long volt); unsigned long omap_voltage_get_nom_volt(struct voltagedomain *voltdm); struct dentry *omap_voltage_get_dbgdir(struct voltagedomain *voltdm); -int __init omap_voltage_early_init(s16 prm_mod, s16 prm_irqst_mod, - struct omap_vdd_info *omap_vdd_array[], +int __init omap_voltage_early_init(struct omap_vdd_info *omap_vdd_array[], u8 omap_vdd_count); #ifdef CONFIG_PM int omap_voltage_register_pmic(struct voltagedomain *voltdm, diff --git a/arch/arm/mach-omap2/voltagedomains3xxx_data.c b/arch/arm/mach-omap2/voltagedomains3xxx_data.c index def230f..0d30b7f 100644 --- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c +++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c @@ -38,6 +38,7 @@ static const struct omap_vfsm_instance_data omap3_vdd1_vfsm_data = { }; static struct omap_vdd_info omap3_vdd1_info = { + .prm_irqst_mod = OCP_MOD, .vp_data = &omap3_vp1_data, .vc_data = &omap3_vc1_data, .vfsm = &omap3_vdd1_vfsm_data, @@ -53,6 +54,7 @@ static const struct omap_vfsm_instance_data omap3_vdd2_vfsm_data = { }; static struct omap_vdd_info omap3_vdd2_info = { + .prm_irqst_mod = OCP_MOD, .vp_data = &omap3_vp2_data, .vc_data = &omap3_vc2_data, .vfsm = &omap3_vdd2_vfsm_data, @@ -70,9 +72,6 @@ static struct omap_vdd_info *omap3_vdd_info[] = { /* OMAP3 specific voltage init functions */ static int __init omap3xxx_voltage_early_init(void) { - s16 prm_mod = OMAP3430_GR_MOD; - s16 prm_irqst_ocp_mod = OCP_MOD; - if (!cpu_is_omap34xx()) return 0; @@ -88,8 +87,7 @@ static int __init omap3xxx_voltage_early_init(void) omap3_vdd2_info.volt_data = omap34xx_vddcore_volt_data; } - return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod, - omap3_vdd_info, + return omap_voltage_early_init(omap3_vdd_info, ARRAY_SIZE(omap3_vdd_info)); }; core_initcall(omap3xxx_voltage_early_init); diff --git a/arch/arm/mach-omap2/voltagedomains44xx_data.c b/arch/arm/mach-omap2/voltagedomains44xx_data.c index cb64996..1c2d7d7 100644 --- a/arch/arm/mach-omap2/voltagedomains44xx_data.c +++ b/arch/arm/mach-omap2/voltagedomains44xx_data.c @@ -37,6 +37,7 @@ static const struct omap_vfsm_instance_data omap4_vdd_mpu_vfsm_data = { }; static struct omap_vdd_info omap4_vdd_mpu_info = { + .prm_irqst_mod = OMAP4430_PRM_OCP_SOCKET_INST, .vp_data = &omap4_vp_mpu_data, .vc_data = &omap4_vc_mpu_data, .vfsm = &omap4_vdd_mpu_vfsm_data, @@ -50,6 +51,7 @@ static const struct omap_vfsm_instance_data omap4_vdd_iva_vfsm_data = { }; static struct omap_vdd_info omap4_vdd_iva_info = { + .prm_irqst_mod = OMAP4430_PRM_OCP_SOCKET_INST, .vp_data = &omap4_vp_iva_data, .vc_data = &omap4_vc_iva_data, .vfsm = &omap4_vdd_iva_vfsm_data, @@ -63,6 +65,7 @@ static const struct omap_vfsm_instance_data omap4_vdd_core_vfsm_data = { }; static struct omap_vdd_info omap4_vdd_core_info = { + .prm_irqst_mod = OMAP4430_PRM_OCP_SOCKET_INST, .vp_data = &omap4_vp_core_data, .vc_data = &omap4_vc_core_data, .vfsm = &omap4_vdd_core_vfsm_data, @@ -81,9 +84,6 @@ static struct omap_vdd_info *omap4_vdd_info[] = { /* OMAP4 specific voltage init functions */ static int __init omap44xx_voltage_early_init(void) { - s16 prm_mod = OMAP4430_PRM_DEVICE_INST; - s16 prm_irqst_ocp_mod = OMAP4430_PRM_OCP_SOCKET_INST; - if (!cpu_is_omap44xx()) return 0; @@ -95,8 +95,7 @@ static int __init omap44xx_voltage_early_init(void) omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data; omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data; - return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod, - omap4_vdd_info, + return omap_voltage_early_init(omap4_vdd_info, ARRAY_SIZE(omap4_vdd_info)); }; core_initcall(omap44xx_voltage_early_init); diff --git a/arch/arm/mach-omap2/vp.h b/arch/arm/mach-omap2/vp.h index 7ce134f..d277da6 100644 --- a/arch/arm/mach-omap2/vp.h +++ b/arch/arm/mach-omap2/vp.h @@ -42,6 +42,7 @@ * @vpconfig_vlimitto_vddmin_shift: VDDMIN field shift in PRM_VP*_VLIMITTO reg * @vpconfig_vlimitto_vddmax_shift: VDDMAX field shift in PRM_VP*_VLIMITTO reg * @vpconfig_vlimitto_timeout_shift: TIMEOUT field shift in PRM_VP*_VLIMITTO reg + * @prm_mod: PRM module id used for PRM register access * * XXX It it not necessary to have both a mask and a shift for the same * bitfield - remove one @@ -54,6 +55,7 @@ struct omap_vp_common_data { u32 vpconfig_initvdd; u32 vpconfig_forceupdate; u32 vpconfig_vpenable; + s16 prm_mod; u8 vpconfig_erroroffset_shift; u8 vpconfig_errorgain_shift; u8 vpconfig_initvoltage_shift; diff --git a/arch/arm/mach-omap2/vp3xxx_data.c b/arch/arm/mach-omap2/vp3xxx_data.c index 6452170..c9b3e64 100644 --- a/arch/arm/mach-omap2/vp3xxx_data.c +++ b/arch/arm/mach-omap2/vp3xxx_data.c @@ -31,6 +31,7 @@ * XXX This stuff presumably belongs in the vp3xxx.c or vp.c file. */ static const struct omap_vp_common_data omap3_vp_common = { + .prm_mod = OMAP3430_GR_MOD, .vpconfig_erroroffset_shift = OMAP3430_ERROROFFSET_SHIFT, .vpconfig_errorgain_mask = OMAP3430_ERRORGAIN_MASK, .vpconfig_errorgain_shift = OMAP3430_ERRORGAIN_SHIFT, diff --git a/arch/arm/mach-omap2/vp44xx_data.c b/arch/arm/mach-omap2/vp44xx_data.c index 65d1ad6..1a0842e 100644 --- a/arch/arm/mach-omap2/vp44xx_data.c +++ b/arch/arm/mach-omap2/vp44xx_data.c @@ -32,6 +32,7 @@ * XXX This stuff presumably belongs in the vp44xx.c or vp.c file. */ static const struct omap_vp_common_data omap4_vp_common = { + .prm_mod = OMAP4430_PRM_DEVICE_INST, .vpconfig_erroroffset_shift = OMAP4430_ERROROFFSET_SHIFT, .vpconfig_errorgain_mask = OMAP4430_ERRORGAIN_MASK, .vpconfig_errorgain_shift = OMAP4430_ERRORGAIN_SHIFT,