| Message ID | 20171218143643.7714-10-miquel.raynal@free-electrons.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Miquel, On lun., déc. 18 2017, Miquel Raynal <miquel.raynal@free-electrons.com> wrote: > Errata #132698 highlights an error in the default value of Tc trim. > Set this parameter to b'011. > > Suggested-by: David Sniatkiwicz <davidsn@marvell.com> > Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons.com> Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Gregory > --- > drivers/thermal/armada_thermal.c | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c > index cef5c65c8f32..2eadd662591d 100644 > --- a/drivers/thermal/armada_thermal.c > +++ b/drivers/thermal/armada_thermal.c > @@ -46,6 +46,10 @@ > #define CONTROL0_OFFSET 0x0 > #define CONTROL1_OFFSET 0x4 > > +/* Errata fields */ > +#define CONTROL0_TSEN_TC_TRIM_MASK 0x7 > +#define CONTROL0_TSEN_TC_TRIM_VAL 0x3 > + > /* TSEN refers to the temperature sensors within the AP */ > #define CONTROL0_TSEN_START BIT(0) > #define CONTROL0_TSEN_RESET BIT(1) > @@ -161,6 +165,15 @@ static void armada380_init_sensor(struct platform_device *pdev, > reg &= ~CONTROL1_EXT_TSEN_SW_RESET; > writel(reg, priv->control1); > msleep(10); > + > + /* Set Tsen Tc Trim to correct default value (errata #132698) */ > + if (priv->control0) { > + reg = readl_relaxed(priv->control0); > + reg &= ~CONTROL0_TSEN_TC_TRIM_MASK; > + reg |= CONTROL0_TSEN_TC_TRIM_VAL; > + writel(reg, priv->control0); > + msleep(10); > + } > } > > static void armada_ap806_init_sensor(struct platform_device *pdev, > -- > 2.11.0 >
diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c index cef5c65c8f32..2eadd662591d 100644 --- a/drivers/thermal/armada_thermal.c +++ b/drivers/thermal/armada_thermal.c @@ -46,6 +46,10 @@ #define CONTROL0_OFFSET 0x0 #define CONTROL1_OFFSET 0x4 +/* Errata fields */ +#define CONTROL0_TSEN_TC_TRIM_MASK 0x7 +#define CONTROL0_TSEN_TC_TRIM_VAL 0x3 + /* TSEN refers to the temperature sensors within the AP */ #define CONTROL0_TSEN_START BIT(0) #define CONTROL0_TSEN_RESET BIT(1) @@ -161,6 +165,15 @@ static void armada380_init_sensor(struct platform_device *pdev, reg &= ~CONTROL1_EXT_TSEN_SW_RESET; writel(reg, priv->control1); msleep(10); + + /* Set Tsen Tc Trim to correct default value (errata #132698) */ + if (priv->control0) { + reg = readl_relaxed(priv->control0); + reg &= ~CONTROL0_TSEN_TC_TRIM_MASK; + reg |= CONTROL0_TSEN_TC_TRIM_VAL; + writel(reg, priv->control0); + msleep(10); + } } static void armada_ap806_init_sensor(struct platform_device *pdev,
Errata #132698 highlights an error in the default value of Tc trim. Set this parameter to b'011. Suggested-by: David Sniatkiwicz <davidsn@marvell.com> Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons.com> --- drivers/thermal/armada_thermal.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)