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https://github.com/brain-hackers/u-boot-brain
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sandbox: timer: Support the early timer
Add support for the early timer so we can use tracing with sandbox again. Signed-off-by: Simon Glass <sjg@chromium.org>
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@ -10,6 +10,8 @@
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#include <timer.h>
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#include <timer.h>
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#include <os.h>
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#include <os.h>
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#define SANDBOX_TIMER_RATE 1000000
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/* system timer offset in ms */
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/* system timer offset in ms */
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static unsigned long sandbox_timer_offset;
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static unsigned long sandbox_timer_offset;
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@ -18,9 +20,19 @@ void sandbox_timer_add_offset(unsigned long offset)
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sandbox_timer_offset += offset;
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sandbox_timer_offset += offset;
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}
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}
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static int sandbox_timer_get_count(struct udevice *dev, u64 *count)
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u64 notrace timer_early_get_count(void)
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{
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{
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*count = os_get_nsec() / 1000 + sandbox_timer_offset * 1000;
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return os_get_nsec() / 1000 + sandbox_timer_offset * 1000;
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}
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unsigned long notrace timer_early_get_rate(void)
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{
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return SANDBOX_TIMER_RATE;
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}
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static notrace int sandbox_timer_get_count(struct udevice *dev, u64 *count)
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{
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*count = timer_early_get_count();
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return 0;
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return 0;
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}
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}
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@ -30,7 +42,7 @@ static int sandbox_timer_probe(struct udevice *dev)
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struct timer_dev_priv *uc_priv = dev_get_uclass_priv(dev);
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struct timer_dev_priv *uc_priv = dev_get_uclass_priv(dev);
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if (!uc_priv->clock_rate)
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if (!uc_priv->clock_rate)
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uc_priv->clock_rate = 1000000;
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uc_priv->clock_rate = SANDBOX_TIMER_RATE;
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return 0;
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return 0;
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}
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}
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