diff options
Diffstat (limited to 'drivers/timer/sifive_clint_timer.c')
-rw-r--r-- | drivers/timer/sifive_clint_timer.c | 68 |
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, -}; |