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ARM: OMAP2+: Populate DMTIMER errata when using device-tree

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Currently the DMTIMER errata flags are not being populated when using
device-tree. Add static platform data to populate errata flags when
using device-tree.

Please note that DMTIMER erratum i767 is applicable to OMAP3-5 devices
as well as AM335x devices.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>
This commit is contained in:
Jon Hunter 2013-03-19 12:38:19 -05:00 • committed by Benoit Cousson
commit d1c6ccfe3d
1 changed files with 37 additions and 8 deletions
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45
arch/arm/plat-omap/dmtimer.c
View file

@ -783,6 +783,8 @@ int omap_dm_timers_active(void)
}
EXPORT_SYMBOL_GPL(omap_dm_timers_active);
static const struct of_device_id omap_timer_match[];
/**
* omap_dm_timer_probe - probe function called for every registered device
* @pdev: pointer to current timer platform device
@ -796,7 +798,11 @@ static int omap_dm_timer_probe(struct platform_device *pdev)
struct omap_dm_timer *timer;
struct resource *mem, *irq;
struct device *dev = &pdev->dev;
struct dmtimer_platform_data *pdata = pdev->dev.platform_data;
const struct of_device_id *match;
const struct dmtimer_platform_data *pdata;
match = of_match_device(of_match_ptr(omap_timer_match), dev);
pdata = match ? match->data : dev->platform_data;
if (!pdata && !dev->of_node) {
dev_err(dev, "%s: no platform data.\n", __func__);
@ -836,12 +842,14 @@ static int omap_dm_timer_probe(struct platform_device *pdev)
timer->capability |= OMAP_TIMER_SECURE;
} else {
timer->id = pdev->id;
timer->errata = pdata->timer_errata;
timer->capability = pdata->timer_capability;
timer->reserved = omap_dm_timer_reserved_systimer(timer->id);
timer->get_context_loss_count = pdata->get_context_loss_count;
}
if (pdata)
timer->errata = pdata->timer_errata;
timer->irq = irq->start;
timer->pdev = pdev;
@ -894,13 +902,34 @@ static int omap_dm_timer_remove(struct platform_device *pdev)
return ret;
}
static const struct dmtimer_platform_data omap3plus_pdata = {
.timer_errata = OMAP_TIMER_ERRATA_I103_I767,
};
static const struct of_device_id omap_timer_match[] = {
{ .compatible = "ti,omap2420-timer", },
{ .compatible = "ti,omap3430-timer", },
{ .compatible = "ti,omap4430-timer", },
{ .compatible = "ti,omap5430-timer", },
{ .compatible = "ti,am335x-timer", },
{ .compatible = "ti,am335x-timer-1ms", },
{
.compatible = "ti,omap2420-timer",
},
{
.compatible = "ti,omap3430-timer",
.data = &omap3plus_pdata,
},
{
.compatible = "ti,omap4430-timer",
.data = &omap3plus_pdata,
},
{
.compatible = "ti,omap5430-timer",
.data = &omap3plus_pdata,
},
{
.compatible = "ti,am335x-timer",
.data = &omap3plus_pdata,
},
{
.compatible = "ti,am335x-timer-1ms",
.data = &omap3plus_pdata,
},
{},
};
MODULE_DEVICE_TABLE(of, omap_timer_match);