Re: [PATCH] OMAP4: OPP: add OMAP4460 definitions

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On Sat, Jul 2, 2011 at 07:20, Vishwanath BS <vishwanath.bs@xxxxxx> wrote:
> Add OMAP4460 OPP definitions for voltage and frequencies based on
> OMAP4460 ES1.0 DM Operating Condition Addendum Version 0.1
>
> The following exceptions are present:
> * Smartreflex support is still on experimental mode: the gains and min
>  limits are currently pending characterization data. Currently OMAP4430 values
>  are used.
> * Efuse offset for core OPP100-OV setting is not clear in documentation.
> * IVA OPPs beyond OPP100 are disabled due to the delta between max OMAP4460
>  current requirements and Phoenix Max supply on VCORE2 in the default
>  configuration - boards which have supply which can support this should
>  explicitly call opp_enable and enable the same.
> * MPU OPPs > OPPTURBO can easily be detected using a efuse burnt - currently
>  disabled pending clock changes to support DCC feature.
>
> Pathch is generated against Patch series "[PATCH v2 0/6] OMAP4: Add 4460 base support" from Rajendra.
Spell check and this line does not belong to the commit message

Regards,
Nishanth Menon


>
> [nm@xxxxxx: cleanups and updates from Datamanual]
> Signed-off-by: Nishanth Menon <nm@xxxxxx>
> Signed-off-by: Vishwanath BS <vishwanath.bs@xxxxxx>
> ---
>  arch/arm/mach-omap2/control.h                 |    1 +
>  arch/arm/mach-omap2/omap_opp_data.h           |    9 ++-
>  arch/arm/mach-omap2/opp4xxx_data.c            |   96 ++++++++++++++++++++++---
>  arch/arm/mach-omap2/voltagedomains44xx_data.c |   14 +++-
>  4 files changed, 105 insertions(+), 15 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
> index a016c8b..a41b9a7 100644
> --- a/arch/arm/mach-omap2/control.h
> +++ b/arch/arm/mach-omap2/control.h
> @@ -195,6 +195,7 @@
>  #define OMAP44XX_CONTROL_FUSE_MPU_OPPNITRO     0x249
>  #define OMAP44XX_CONTROL_FUSE_CORE_OPP50       0x254
>  #define OMAP44XX_CONTROL_FUSE_CORE_OPP100      0x257
> +#define OMAP44XX_CONTROL_FUSE_CORE_OPP100OV    0x25A
>
>  /* AM35XX only CONTROL_GENERAL register offsets */
>  #define AM35XX_CONTROL_MSUSPENDMUX_6    (OMAP2_CONTROL_GENERAL + 0x0038)
> diff --git a/arch/arm/mach-omap2/omap_opp_data.h b/arch/arm/mach-omap2/omap_opp_data.h
> index c784c12..18a750e 100644
> --- a/arch/arm/mach-omap2/omap_opp_data.h
> +++ b/arch/arm/mach-omap2/omap_opp_data.h
> @@ -89,8 +89,11 @@ extern struct omap_volt_data omap34xx_vddcore_volt_data[];
>  extern struct omap_volt_data omap36xx_vddmpu_volt_data[];
>  extern struct omap_volt_data omap36xx_vddcore_volt_data[];
>
> -extern struct omap_volt_data omap44xx_vdd_mpu_volt_data[];
> -extern struct omap_volt_data omap44xx_vdd_iva_volt_data[];
> -extern struct omap_volt_data omap44xx_vdd_core_volt_data[];
> +extern struct omap_volt_data omap443x_vdd_mpu_volt_data[];
> +extern struct omap_volt_data omap443x_vdd_iva_volt_data[];
> +extern struct omap_volt_data omap443x_vdd_core_volt_data[];
> +extern struct omap_volt_data omap446x_vdd_mpu_volt_data[];
> +extern struct omap_volt_data omap446x_vdd_iva_volt_data[];
> +extern struct omap_volt_data omap446x_vdd_core_volt_data[];
>
>  #endif         /* __ARCH_ARM_MACH_OMAP2_OMAP_OPP_DATA_H */
> diff --git a/arch/arm/mach-omap2/opp4xxx_data.c b/arch/arm/mach-omap2/opp4xxx_data.c
> index 2293ba2..8c285e4 100644
> --- a/arch/arm/mach-omap2/opp4xxx_data.c
> +++ b/arch/arm/mach-omap2/opp4xxx_data.c
> @@ -1,7 +1,7 @@
>  /*
>  * OMAP4 OPP table definitions.
>  *
> - * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
> + * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
>  *     Nishanth Menon
>  *     Kevin Hilman
>  *     Thara Gopinath
> @@ -36,7 +36,7 @@
>  #define OMAP4430_VDD_MPU_OPPTURBO_UV           1313000
>  #define OMAP4430_VDD_MPU_OPPNITRO_UV           1375000
>
> -struct omap_volt_data omap44xx_vdd_mpu_volt_data[] = {
> +struct omap_volt_data omap443x_vdd_mpu_volt_data[] = {
>        VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP50_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP50, 0xf4, 0x0c),
>        VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP100_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP100, 0xf9, 0x16),
>        VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPTURBO, 0xfa, 0x23),
> @@ -48,7 +48,7 @@ struct omap_volt_data omap44xx_vdd_mpu_volt_data[] = {
>  #define OMAP4430_VDD_IVA_OPP100_UV             1188000
>  #define OMAP4430_VDD_IVA_OPPTURBO_UV           1300000
>
> -struct omap_volt_data omap44xx_vdd_iva_volt_data[] = {
> +struct omap_volt_data omap443x_vdd_iva_volt_data[] = {
>        VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP50_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP50, 0xf4, 0x0c),
>        VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP100_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP100, 0xf9, 0x16),
>        VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPTURBO, 0xfa, 0x23),
> @@ -58,14 +58,14 @@ struct omap_volt_data omap44xx_vdd_iva_volt_data[] = {
>  #define OMAP4430_VDD_CORE_OPP50_UV             1025000
>  #define OMAP4430_VDD_CORE_OPP100_UV            1200000
>
> -struct omap_volt_data omap44xx_vdd_core_volt_data[] = {
> +struct omap_volt_data omap443x_vdd_core_volt_data[] = {
>        VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP50_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP50, 0xf4, 0x0c),
>        VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP100_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100, 0xf9, 0x16),
>        VOLT_DATA_DEFINE(0, 0, 0, 0),
>  };
>
>
> -static struct omap_opp_def __initdata omap44xx_opp_def_list[] = {
> +static struct omap_opp_def __initdata omap443x_opp_def_list[] = {
>        /* MPU OPP1 - OPP50 */
>        OPP_INITIALIZER("mpu", true, 300000000, OMAP4430_VDD_MPU_OPP50_UV),
>        /* MPU OPP2 - OPP100 */
> @@ -87,6 +87,82 @@ static struct omap_opp_def __initdata omap44xx_opp_def_list[] = {
>        /* TODO: add DSP, aess, fdif, gpu */
>  };
>
> +#define OMAP4460_VDD_MPU_OPP50_UV              1025000
> +#define OMAP4460_VDD_MPU_OPP100_UV             1200000
> +#define OMAP4460_VDD_MPU_OPPTURBO_UV           1313000
> +#define OMAP4460_VDD_MPU_OPPNITRO_UV           1375000
> +
> +struct omap_volt_data omap446x_vdd_mpu_volt_data[] = {
> +       VOLT_DATA_DEFINE(OMAP4460_VDD_MPU_OPP50_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP50, 0xf4, 0x0c),
> +       VOLT_DATA_DEFINE(OMAP4460_VDD_MPU_OPP100_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP100, 0xf9, 0x16),
> +       VOLT_DATA_DEFINE(OMAP4460_VDD_MPU_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPTURBO, 0xfa, 0x23),
> +       VOLT_DATA_DEFINE(OMAP4460_VDD_MPU_OPPNITRO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPNITRO, 0xfa, 0x27),
> +       VOLT_DATA_DEFINE(0, 0, 0, 0),
> +};
> +
> +#define OMAP4460_VDD_IVA_OPP50_UV              1025000
> +#define OMAP4460_VDD_IVA_OPP100_UV             1200000
> +#define OMAP4460_VDD_IVA_OPPTURBO_UV           1313000
> +#define OMAP4460_VDD_IVA_OPPNITRO_UV           1375000
> +
> +struct omap_volt_data omap446x_vdd_iva_volt_data[] = {
> +       VOLT_DATA_DEFINE(OMAP4460_VDD_IVA_OPP50_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP50, 0xf4, 0x0c),
> +       VOLT_DATA_DEFINE(OMAP4460_VDD_IVA_OPP100_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP100, 0xf9, 0x16),
> +       VOLT_DATA_DEFINE(OMAP4460_VDD_IVA_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPTURBO, 0xfa, 0x23),
> +       VOLT_DATA_DEFINE(OMAP4460_VDD_IVA_OPPNITRO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPNITRO, 0xfa, 0x23),
> +       VOLT_DATA_DEFINE(0, 0, 0, 0),
> +};
> +
> +#define OMAP4460_VDD_CORE_OPP50_UV             1025000
> +#define OMAP4460_VDD_CORE_OPP100_UV            1200000
> +#define OMAP4460_VDD_CORE_OPP100_OV_UV         1250000
> +
> +struct omap_volt_data omap446x_vdd_core_volt_data[] = {
> +       VOLT_DATA_DEFINE(OMAP4460_VDD_CORE_OPP50_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP50, 0xf4, 0x0c),
> +       VOLT_DATA_DEFINE(OMAP4460_VDD_CORE_OPP100_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100, 0xf9, 0x16),
> +       VOLT_DATA_DEFINE(OMAP4460_VDD_CORE_OPP100_OV_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100OV, 0xf9, 0x16),
> +       VOLT_DATA_DEFINE(0, 0, 0, 0),
> +};
> +
> +static struct omap_opp_def __initdata omap446x_opp_def_list[] = {
> +       /* MPU OPP1 - OPP50 */
> +       OPP_INITIALIZER("mpu", true, 350000000, OMAP4460_VDD_MPU_OPP50_UV),
> +       /* MPU OPP2 - OPP100 */
> +       OPP_INITIALIZER("mpu", true, 700000000, OMAP4460_VDD_MPU_OPP100_UV),
> +       /* MPU OPP3 - OPP-Turbo */
> +       OPP_INITIALIZER("mpu", true, 920000000, OMAP4460_VDD_MPU_OPPTURBO_UV),
> +       /*
> +        * MPU OPP4 - OPP-Nitro + Disabled as the reference schematics
> +        * recommends TPS623631 - confirm and enable the opp in board file
> +        * XXX: May be we should enable these based on mpu capability and
> +        * Exception board files disable it...
> +        */
> +       OPP_INITIALIZER("mpu", false, 1200000000, OMAP4460_VDD_MPU_OPPNITRO_UV),
> +       /* MPU OPP4 - OPP-Nitro SpeedBin */
> +       OPP_INITIALIZER("mpu", false, 1500000000, OMAP4460_VDD_MPU_OPPNITRO_UV),
> +       /* L3 OPP1 - OPP50 */
> +       OPP_INITIALIZER("l3_main_1", true, 100000000, OMAP4460_VDD_CORE_OPP50_UV),
> +       /* L3 OPP2 - OPP100 */
> +       OPP_INITIALIZER("l3_main_1", true, 200000000, OMAP4460_VDD_CORE_OPP100_UV),
> +       /* IVA OPP1 - OPP50 */
> +       OPP_INITIALIZER("iva", true, 133000000, OMAP4460_VDD_IVA_OPP50_UV),
> +       /* IVA OPP2 - OPP100 */
> +       OPP_INITIALIZER("iva", true, 266100000, OMAP4460_VDD_IVA_OPP100_UV),
> +       /*
> +        * IVA OPP3 - OPP-Turbo + Disabled as the reference schematics
> +        * recommends Phoenix VCORE2 which can supply only 600mA - so the ones
> +        * above this OPP frequency, even though OMAP is capable, should be
> +        * enabled by board file which is sure of the chip power capability
> +        */
> +       OPP_INITIALIZER("iva", false, 332000000, OMAP4460_VDD_IVA_OPPTURBO_UV),
> +       /* IVA OPP4 - OPP-Nitro */
> +       OPP_INITIALIZER("iva", false, 430000000, OMAP4460_VDD_IVA_OPPNITRO_UV),
> +       /* IVA OPP5 - OPP-Nitro SpeedBin*/
> +       OPP_INITIALIZER("iva", false, 500000000, OMAP4460_VDD_IVA_OPPNITRO_UV),
> +
> +       /* TODO: add DSP, aess, fdif, gpu */
> +};
> +
>  /**
>  * omap4_opp_init() - initialize omap4 opp table
>  */
> @@ -96,10 +172,12 @@ int __init omap4_opp_init(void)
>
>        if (!cpu_is_omap44xx())
>                return r;
> -
> -       r = omap_init_opp_table(omap44xx_opp_def_list,
> -                       ARRAY_SIZE(omap44xx_opp_def_list));
> -
> +       if (cpu_is_omap443x())
> +               r = omap_init_opp_table(omap443x_opp_def_list,
> +                       ARRAY_SIZE(omap443x_opp_def_list));
> +       else if (cpu_is_omap446x())
> +               r = omap_init_opp_table(omap446x_opp_def_list,
> +                       ARRAY_SIZE(omap446x_opp_def_list));
>        return r;
>  }
>  device_initcall(omap4_opp_init);
> diff --git a/arch/arm/mach-omap2/voltagedomains44xx_data.c b/arch/arm/mach-omap2/voltagedomains44xx_data.c
> index cb64996..f516cfe 100644
> --- a/arch/arm/mach-omap2/voltagedomains44xx_data.c
> +++ b/arch/arm/mach-omap2/voltagedomains44xx_data.c
> @@ -91,9 +91,17 @@ static int __init omap44xx_voltage_early_init(void)
>         * XXX Will depend on the process, validation, and binning
>         * for the currently-running IC
>         */
> -       omap4_vdd_mpu_info.volt_data = omap44xx_vdd_mpu_volt_data;
> -       omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data;
> -       omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data;
> +       if (cpu_is_omap443x()) {
> +               omap4_vdd_mpu_info.volt_data = omap443x_vdd_mpu_volt_data;
> +               omap4_vdd_iva_info.volt_data = omap443x_vdd_iva_volt_data;
> +               omap4_vdd_core_info.volt_data = omap443x_vdd_core_volt_data;
> +       } else if (cpu_is_omap446x()) {
> +               omap4_vdd_mpu_info.volt_data = omap446x_vdd_mpu_volt_data;
> +               omap4_vdd_iva_info.volt_data = omap446x_vdd_iva_volt_data;
> +               omap4_vdd_core_info.volt_data = omap446x_vdd_core_volt_data;
> +       } else {
> +               return -ENODATA;
> +       }
>
>        return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod,
>                                       omap4_vdd_info,
> --
> 1.7.0.4
>
>
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