539db6ab09
This function only exists if CPU is enabled. Update the code to take account of this, so that it does not have to be enabled on all sandbox builds. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Sean Anderson <seanga2@gmail.com>
72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015 Thomas Chou <thomas@wytron.com.tw>
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*/
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#include <common.h>
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#include <dm.h>
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#include <errno.h>
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#include <timer.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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static unsigned long sandbox_timer_offset;
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void timer_test_add_offset(unsigned long offset)
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{
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sandbox_timer_offset += offset;
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}
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u64 notrace timer_early_get_count(void)
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{
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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 u64 sandbox_timer_get_count(struct udevice *dev)
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{
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return timer_early_get_count();
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}
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static int sandbox_timer_probe(struct udevice *dev)
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{
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struct timer_dev_priv *uc_priv = dev_get_uclass_priv(dev);
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if (CONFIG_IS_ENABLED(CPU) &&
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dev_read_bool(dev, "sandbox,timebase-frequency-fallback"))
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return timer_timebase_fallback(dev);
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else if (!uc_priv->clock_rate)
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uc_priv->clock_rate = SANDBOX_TIMER_RATE;
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return 0;
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}
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static const struct timer_ops sandbox_timer_ops = {
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.get_count = sandbox_timer_get_count,
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};
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static const struct udevice_id sandbox_timer_ids[] = {
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{ .compatible = "sandbox,timer" },
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{ }
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};
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U_BOOT_DRIVER(sandbox_timer) = {
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.name = "sandbox_timer",
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.id = UCLASS_TIMER,
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.of_match = sandbox_timer_ids,
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.probe = sandbox_timer_probe,
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.ops = &sandbox_timer_ops,
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.flags = DM_FLAG_PRE_RELOC,
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};
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/* This is here in case we don't have a device tree */
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U_BOOT_DRVINFO(sandbox_timer_non_fdt) = {
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.name = "sandbox_timer",
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};
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