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Diffstat (limited to 'drivers/timer/sti-timer.c')
-rw-r--r--drivers/timer/sti-timer.c85
1 files changed, 0 insertions, 85 deletions
diff --git a/drivers/timer/sti-timer.c b/drivers/timer/sti-timer.c
deleted file mode 100644
index 87444a0650f..00000000000
--- a/drivers/timer/sti-timer.c
+++ /dev/null
@@ -1,85 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
- * Author(s): Patrice Chotard, <patrice.chotard@foss.st.com> for STMicroelectronics.
- */
-
-#include <common.h>
-#include <dm.h>
-#include <clk.h>
-#include <timer.h>
-#include <linux/err.h>
-
-#include <asm/io.h>
-#include <asm/arch-armv7/globaltimer.h>
-
-struct sti_timer_priv {
- struct globaltimer *global_timer;
-};
-
-static u64 sti_timer_get_count(struct udevice *dev)
-{
- struct sti_timer_priv *priv = dev_get_priv(dev);
- struct globaltimer *global_timer = priv->global_timer;
- u32 low, high;
- u64 timer;
- u32 old = readl(&global_timer->cnt_h);
-
- while (1) {
- low = readl(&global_timer->cnt_l);
- high = readl(&global_timer->cnt_h);
- if (old == high)
- break;
- else
- old = high;
- }
- timer = high;
- return (u64)((timer << 32) | low);
-}
-
-static int sti_timer_probe(struct udevice *dev)
-{
- struct timer_dev_priv *uc_priv = dev_get_uclass_priv(dev);
- struct sti_timer_priv *priv = dev_get_priv(dev);
- struct clk clk;
- int err;
- ulong ret;
-
- /* get arm global timer base address */
- priv->global_timer = (struct globaltimer *)dev_read_addr_ptr(dev);
- if (!priv->global_timer)
- return -ENOENT;
-
- err = clk_get_by_index(dev, 0, &clk);
- if (!err) {
- ret = clk_get_rate(&clk);
- if (IS_ERR_VALUE(ret))
- return ret;
- uc_priv->clock_rate = ret;
- } else {
- uc_priv->clock_rate = CONFIG_SYS_HZ_CLOCK;
- }
-
- /* init timer */
- writel(0x01, &priv->global_timer->ctl);
-
- return 0;
-}
-
-static const struct timer_ops sti_timer_ops = {
- .get_count = sti_timer_get_count,
-};
-
-static const struct udevice_id sti_timer_ids[] = {
- { .compatible = "arm,cortex-a9-global-timer" },
- {}
-};
-
-U_BOOT_DRIVER(sti_timer) = {
- .name = "sti_timer",
- .id = UCLASS_TIMER,
- .of_match = sti_timer_ids,
- .priv_auto = sizeof(struct sti_timer_priv),
- .probe = sti_timer_probe,
- .ops = &sti_timer_ops,
-};