diff options
| -rw-r--r-- | arch/arm/mach-omap2/omap_twl.c | 20 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/vc.c | 35 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/vc.h | 7 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/vc3xxx_data.c | 22 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/vc44xx_data.c | 28 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/voltage.h | 18 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/voltagedomains3xxx_data.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/voltagedomains44xx_data.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/vp.h | 7 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/vp3xxx_data.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/vp44xx_data.c | 15 |
11 files changed, 147 insertions, 28 deletions
diff --git a/arch/arm/mach-omap2/omap_twl.c b/arch/arm/mach-omap2/omap_twl.c index c38a530a7f4..dca1d662d5e 100644 --- a/arch/arm/mach-omap2/omap_twl.c +++ b/arch/arm/mach-omap2/omap_twl.c @@ -141,10 +141,6 @@ static u8 twl6030_uv_to_vsel(unsigned long uv) static struct omap_voltdm_pmic omap3_mpu_pmic = { .slew_rate = 4000, .step_size = 12500, - .on_volt = 1200000, - .onlp_volt = 1000000, - .ret_volt = 975000, - .off_volt = 600000, .volt_setup_time = 0xfff, .vp_erroroffset = OMAP3_VP_CONFIG_ERROROFFSET, .vp_vstepmin = OMAP3_VP_VSTEPMIN_VSTEPMIN, @@ -162,10 +158,6 @@ static struct omap_voltdm_pmic omap3_mpu_pmic = { static struct omap_voltdm_pmic omap3_core_pmic = { .slew_rate = 4000, .step_size = 12500, - .on_volt = 1200000, - .onlp_volt = 1000000, - .ret_volt = 975000, - .off_volt = 600000, .volt_setup_time = 0xfff, .vp_erroroffset = OMAP3_VP_CONFIG_ERROROFFSET, .vp_vstepmin = OMAP3_VP_VSTEPMIN_VSTEPMIN, @@ -183,10 +175,6 @@ static struct omap_voltdm_pmic omap3_core_pmic = { static struct omap_voltdm_pmic omap4_mpu_pmic = { .slew_rate = 4000, .step_size = 12660, - .on_volt = 1375000, - .onlp_volt = 1375000, - .ret_volt = 830000, - .off_volt = 0, .volt_setup_time = 0, .vp_erroroffset = OMAP4_VP_CONFIG_ERROROFFSET, .vp_vstepmin = OMAP4_VP_VSTEPMIN_VSTEPMIN, @@ -205,10 +193,6 @@ static struct omap_voltdm_pmic omap4_mpu_pmic = { static struct omap_voltdm_pmic omap4_iva_pmic = { .slew_rate = 4000, .step_size = 12660, - .on_volt = 1188000, - .onlp_volt = 1188000, - .ret_volt = 830000, - .off_volt = 0, .volt_setup_time = 0, .vp_erroroffset = OMAP4_VP_CONFIG_ERROROFFSET, .vp_vstepmin = OMAP4_VP_VSTEPMIN_VSTEPMIN, @@ -227,10 +211,6 @@ static struct omap_voltdm_pmic omap4_iva_pmic = { static struct omap_voltdm_pmic omap4_core_pmic = { .slew_rate = 4000, .step_size = 12660, - .on_volt = 1200000, - .onlp_volt = 1200000, - .ret_volt = 830000, - .off_volt = 0, .volt_setup_time = 0, .vp_erroroffset = OMAP4_VP_CONFIG_ERROROFFSET, .vp_vstepmin = OMAP4_VP_VSTEPMIN_VSTEPMIN, diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c index 880249b1701..4c3c41fd263 100644 --- a/arch/arm/mach-omap2/vc.c +++ b/arch/arm/mach-omap2/vc.c @@ -135,6 +135,8 @@ int omap_vc_pre_scale(struct voltagedomain *voltdm, vc_cmdval |= (*target_vsel << vc->common->cmd_on_shift); voltdm->write(vc_cmdval, vc->cmdval_reg); + voltdm->vc_param->on = target_volt; + omap_vp_update_errorgain(voltdm, target_volt); return 0; @@ -284,6 +286,30 @@ static void __init omap_vc_i2c_init(struct voltagedomain *voltdm) initialized = true; } +/** + * omap_vc_calc_vsel - calculate vsel value for a channel + * @voltdm: channel to calculate value for + * @uvolt: microvolt value to convert to vsel + * + * Converts a microvolt value to vsel value for the used PMIC. + * This checks whether the microvolt value is out of bounds, and + * adjusts the value accordingly. If unsupported value detected, + * warning is thrown. + */ +static u8 omap_vc_calc_vsel(struct voltagedomain *voltdm, u32 uvolt) +{ + if (voltdm->pmic->vddmin > uvolt) + uvolt = voltdm->pmic->vddmin; + if (voltdm->pmic->vddmax < uvolt) { + WARN(1, "%s: voltage not supported by pmic: %u vs max %u\n", + __func__, uvolt, voltdm->pmic->vddmax); + /* Lets try maximum value anyway */ + uvolt = voltdm->pmic->vddmax; + } + + return voltdm->pmic->uv_to_vsel(uvolt); +} + void __init omap_vc_init_channel(struct voltagedomain *voltdm) { struct omap_vc_channel *vc = voltdm->vc; @@ -335,10 +361,11 @@ void __init omap_vc_init_channel(struct voltagedomain *voltdm) } /* Set up the on, inactive, retention and off voltage */ - on_vsel = voltdm->pmic->uv_to_vsel(voltdm->pmic->on_volt); - onlp_vsel = voltdm->pmic->uv_to_vsel(voltdm->pmic->onlp_volt); - ret_vsel = voltdm->pmic->uv_to_vsel(voltdm->pmic->ret_volt); - off_vsel = voltdm->pmic->uv_to_vsel(voltdm->pmic->off_volt); + on_vsel = omap_vc_calc_vsel(voltdm, voltdm->vc_param->on); + onlp_vsel = omap_vc_calc_vsel(voltdm, voltdm->vc_param->onlp); + ret_vsel = omap_vc_calc_vsel(voltdm, voltdm->vc_param->ret); + off_vsel = omap_vc_calc_vsel(voltdm, voltdm->vc_param->off); + val = ((on_vsel << vc->common->cmd_on_shift) | (onlp_vsel << vc->common->cmd_onlp_shift) | (ret_vsel << vc->common->cmd_ret_shift) | diff --git a/arch/arm/mach-omap2/vc.h b/arch/arm/mach-omap2/vc.h index 478bf6b432c..7618b69811d 100644 --- a/arch/arm/mach-omap2/vc.h +++ b/arch/arm/mach-omap2/vc.h @@ -111,6 +111,13 @@ extern struct omap_vc_channel omap4_vc_mpu; extern struct omap_vc_channel omap4_vc_iva; extern struct omap_vc_channel omap4_vc_core; +extern struct omap_vc_param omap3_mpu_vc_data; +extern struct omap_vc_param omap3_core_vc_data; + +extern struct omap_vc_param omap4_mpu_vc_data; +extern struct omap_vc_param omap4_iva_vc_data; +extern struct omap_vc_param omap4_core_vc_data; + void omap_vc_init_channel(struct voltagedomain *voltdm); int omap_vc_pre_scale(struct voltagedomain *voltdm, unsigned long target_volt, diff --git a/arch/arm/mach-omap2/vc3xxx_data.c b/arch/arm/mach-omap2/vc3xxx_data.c index 5d8eaf31569..75bc4aa22b3 100644 --- a/arch/arm/mach-omap2/vc3xxx_data.c +++ b/arch/arm/mach-omap2/vc3xxx_data.c @@ -71,3 +71,25 @@ struct omap_vc_channel omap3_vc_core = { .smps_cmdra_mask = OMAP3430_CMDRA1_MASK, .cfg_channel_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA1_SHIFT, }; + +/* + * Voltage levels for different operating modes: on, sleep, retention and off + */ +#define OMAP3_ON_VOLTAGE_UV 1200000 +#define OMAP3_ONLP_VOLTAGE_UV 1000000 +#define OMAP3_RET_VOLTAGE_UV 975000 +#define OMAP3_OFF_VOLTAGE_UV 600000 + +struct omap_vc_param omap3_mpu_vc_data = { + .on = OMAP3_ON_VOLTAGE_UV, + .onlp = OMAP3_ONLP_VOLTAGE_UV, + .ret = OMAP3_RET_VOLTAGE_UV, + .off = OMAP3_OFF_VOLTAGE_UV, +}; + +struct omap_vc_param omap3_core_vc_data = { + .on = OMAP3_ON_VOLTAGE_UV, + .onlp = OMAP3_ONLP_VOLTAGE_UV, + .ret = OMAP3_RET_VOLTAGE_UV, + .off = OMAP3_OFF_VOLTAGE_UV, +}; diff --git a/arch/arm/mach-omap2/vc44xx_data.c b/arch/arm/mach-omap2/vc44xx_data.c index d70b930f273..085e5d6a04f 100644 --- a/arch/arm/mach-omap2/vc44xx_data.c +++ b/arch/arm/mach-omap2/vc44xx_data.c @@ -87,3 +87,31 @@ struct omap_vc_channel omap4_vc_core = { .cfg_channel_sa_shift = OMAP4430_SA_VDD_CORE_L_SHIFT, }; +/* + * Voltage levels for different operating modes: on, sleep, retention and off + */ +#define OMAP4_ON_VOLTAGE_UV 1375000 +#define OMAP4_ONLP_VOLTAGE_UV 1375000 +#define OMAP4_RET_VOLTAGE_UV 837500 +#define OMAP4_OFF_VOLTAGE_UV 0 + +struct omap_vc_param omap4_mpu_vc_data = { + .on = OMAP4_ON_VOLTAGE_UV, + .onlp = OMAP4_ONLP_VOLTAGE_UV, + .ret = OMAP4_RET_VOLTAGE_UV, + .off = OMAP4_OFF_VOLTAGE_UV, +}; + +struct omap_vc_param omap4_iva_vc_data = { + .on = OMAP4_ON_VOLTAGE_UV, + .onlp = OMAP4_ONLP_VOLTAGE_UV, + .ret = OMAP4_RET_VOLTAGE_UV, + .off = OMAP4_OFF_VOLTAGE_UV, +}; + +struct omap_vc_param omap4_core_vc_data = { + .on = OMAP4_ON_VOLTAGE_UV, + .onlp = OMAP4_ONLP_VOLTAGE_UV, + .ret = OMAP4_RET_VOLTAGE_UV, + .off = OMAP4_OFF_VOLTAGE_UV, +}; diff --git a/arch/arm/mach-omap2/voltage.h b/arch/arm/mach-omap2/voltage.h index a3607b83790..697095551bb 100644 --- a/arch/arm/mach-omap2/voltage.h +++ b/arch/arm/mach-omap2/voltage.h @@ -74,6 +74,8 @@ struct voltagedomain { const struct omap_vfsm_instance *vfsm; struct omap_vp_instance *vp; struct omap_voltdm_pmic *pmic; + struct omap_vp_param *vp_param; + struct omap_vc_param *vc_param; /* VC/VP register access functions: SoC specific */ u32 (*read) (u8 offset); @@ -125,10 +127,6 @@ struct voltagedomain { struct omap_voltdm_pmic { int slew_rate; int step_size; - u32 on_volt; - u32 onlp_volt; - u32 ret_volt; - u32 off_volt; u16 volt_setup_time; u16 i2c_slave_addr; u16 volt_reg_addr; @@ -145,6 +143,18 @@ struct omap_voltdm_pmic { u8 (*uv_to_vsel) (unsigned long uV); }; +struct omap_vp_param { + u32 vddmax; + u32 vddmin; +}; + +struct omap_vc_param { + u32 on; + u32 onlp; + u32 ret; + u32 off; +}; + void omap_voltage_get_volttable(struct voltagedomain *voltdm, struct omap_volt_data **volt_data); struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm, diff --git a/arch/arm/mach-omap2/voltagedomains3xxx_data.c b/arch/arm/mach-omap2/voltagedomains3xxx_data.c index 63afbfed3cb..261bb7cb4e6 100644 --- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c +++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c @@ -117,6 +117,11 @@ void __init omap3xxx_voltagedomains_init(void) } #endif + omap3_voltdm_mpu.vp_param = &omap3_mpu_vp_data; + omap3_voltdm_core.vp_param = &omap3_core_vp_data; + omap3_voltdm_mpu.vc_param = &omap3_mpu_vc_data; + omap3_voltdm_core.vc_param = &omap3_core_vc_data; + if (soc_is_am35xx()) voltdms = voltagedomains_am35xx; else diff --git a/arch/arm/mach-omap2/voltagedomains44xx_data.c b/arch/arm/mach-omap2/voltagedomains44xx_data.c index c3115f6853d..a2d7d9ca238 100644 --- a/arch/arm/mach-omap2/voltagedomains44xx_data.c +++ b/arch/arm/mach-omap2/voltagedomains44xx_data.c @@ -106,6 +106,14 @@ void __init omap44xx_voltagedomains_init(void) omap4_voltdm_core.volt_data = omap44xx_vdd_core_volt_data; #endif + omap4_voltdm_mpu.vp_param = &omap4_mpu_vp_data; + omap4_voltdm_iva.vp_param = &omap4_iva_vp_data; + omap4_voltdm_core.vp_param = &omap4_core_vp_data; + + omap4_voltdm_mpu.vc_param = &omap4_mpu_vc_data; + omap4_voltdm_iva.vc_param = &omap4_iva_vc_data; + omap4_voltdm_core.vc_param = &omap4_core_vc_data; + for (i = 0; voltdm = voltagedomains_omap4[i], voltdm; i++) voltdm->sys_clk.name = sys_clk_name; diff --git a/arch/arm/mach-omap2/vp.h b/arch/arm/mach-omap2/vp.h index 7c155d248aa..0fdf7080e4a 100644 --- a/arch/arm/mach-omap2/vp.h +++ b/arch/arm/mach-omap2/vp.h @@ -117,6 +117,13 @@ extern struct omap_vp_instance omap4_vp_mpu; extern struct omap_vp_instance omap4_vp_iva; extern struct omap_vp_instance omap4_vp_core; +extern struct omap_vp_param omap3_mpu_vp_data; +extern struct omap_vp_param omap3_core_vp_data; + +extern struct omap_vp_param omap4_mpu_vp_data; +extern struct omap_vp_param omap4_iva_vp_data; +extern struct omap_vp_param omap4_core_vp_data; + void omap_vp_init(struct voltagedomain *voltdm); void omap_vp_enable(struct voltagedomain *voltdm); void omap_vp_disable(struct voltagedomain *voltdm); diff --git a/arch/arm/mach-omap2/vp3xxx_data.c b/arch/arm/mach-omap2/vp3xxx_data.c index bd89f80089f..1914e026245 100644 --- a/arch/arm/mach-omap2/vp3xxx_data.c +++ b/arch/arm/mach-omap2/vp3xxx_data.c @@ -77,3 +77,13 @@ struct omap_vp_instance omap3_vp_core = { .vstatus = OMAP3_PRM_VP2_STATUS_OFFSET, .voltage = OMAP3_PRM_VP2_VOLTAGE_OFFSET, }; + +struct omap_vp_param omap3_mpu_vp_data = { + .vddmin = OMAP3430_VP1_VLIMITTO_VDDMIN, + .vddmax = OMAP3430_VP1_VLIMITTO_VDDMAX, +}; + +struct omap_vp_param omap3_core_vp_data = { + .vddmin = OMAP3430_VP2_VLIMITTO_VDDMIN, + .vddmax = OMAP3430_VP2_VLIMITTO_VDDMAX, +}; diff --git a/arch/arm/mach-omap2/vp44xx_data.c b/arch/arm/mach-omap2/vp44xx_data.c index 8c031d16879..e62f6b018be 100644 --- a/arch/arm/mach-omap2/vp44xx_data.c +++ b/arch/arm/mach-omap2/vp44xx_data.c @@ -87,3 +87,18 @@ struct omap_vp_instance omap4_vp_core = { .vstatus = OMAP4_PRM_VP_CORE_STATUS_OFFSET, .voltage = OMAP4_PRM_VP_CORE_VOLTAGE_OFFSET, }; + +struct omap_vp_param omap4_mpu_vp_data = { + .vddmin = OMAP4_VP_MPU_VLIMITTO_VDDMIN, + .vddmax = OMAP4_VP_MPU_VLIMITTO_VDDMAX, +}; + +struct omap_vp_param omap4_iva_vp_data = { + .vddmin = OMAP4_VP_IVA_VLIMITTO_VDDMIN, + .vddmax = OMAP4_VP_IVA_VLIMITTO_VDDMAX, +}; + +struct omap_vp_param omap4_core_vp_data = { + .vddmin = OMAP4_VP_CORE_VLIMITTO_VDDMIN, + .vddmax = OMAP4_VP_CORE_VLIMITTO_VDDMAX, +}; |