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path: root/drivers/timer/sifive_clint_timer.c
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Diffstat (limited to 'drivers/timer/sifive_clint_timer.c')
-rw-r--r--drivers/timer/sifive_clint_timer.c68
1 files changed, 0 insertions, 68 deletions
diff --git a/drivers/timer/sifive_clint_timer.c b/drivers/timer/sifive_clint_timer.c
deleted file mode 100644
index 939b99d937..0000000000
--- a/drivers/timer/sifive_clint_timer.c
+++ /dev/null
@@ -1,68 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2020, Sean Anderson <seanga2@gmail.com>
- * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
- */
-
-#include <common.h>
-#include <clk.h>
-#include <dm.h>
-#include <timer.h>
-#include <asm/io.h>
-#include <dm/device-internal.h>
-#include <linux/err.h>
-
-/* mtime register */
-#define MTIME_REG(base) ((ulong)(base) + 0xbff8)
-
-static u64 notrace sifive_clint_get_count(struct udevice *dev)
-{
- return readq((void __iomem *)MTIME_REG(dev_get_priv(dev)));
-}
-
-#if CONFIG_IS_ENABLED(RISCV_MMODE) && IS_ENABLED(CONFIG_TIMER_EARLY)
-/**
- * timer_early_get_rate() - Get the timer rate before driver model
- */
-unsigned long notrace timer_early_get_rate(void)
-{
- return RISCV_MMODE_TIMER_FREQ;
-}
-
-/**
- * timer_early_get_count() - Get the timer count before driver model
- *
- */
-u64 notrace timer_early_get_count(void)
-{
- return readq((void __iomem *)MTIME_REG(RISCV_MMODE_TIMERBASE));
-}
-#endif
-
-static const struct timer_ops sifive_clint_ops = {
- .get_count = sifive_clint_get_count,
-};
-
-static int sifive_clint_probe(struct udevice *dev)
-{
- dev_set_priv(dev, dev_read_addr_ptr(dev));
- if (!dev_get_priv(dev))
- return -EINVAL;
-
- return timer_timebase_fallback(dev);
-}
-
-static const struct udevice_id sifive_clint_ids[] = {
- { .compatible = "riscv,clint0" },
- { .compatible = "sifive,clint0" },
- { }
-};
-
-U_BOOT_DRIVER(sifive_clint) = {
- .name = "sifive_clint",
- .id = UCLASS_TIMER,
- .of_match = sifive_clint_ids,
- .probe = sifive_clint_probe,
- .ops = &sifive_clint_ops,
- .flags = DM_FLAG_PRE_RELOC,
-};