5 files changed, 72 insertions, 3 deletions
diff --git a/drivers/timer/andes_plmt_timer.c b/drivers/timer/andes_plmt_timer.c
index db2cf86f63..a3797b22c7 100644
--- a/drivers/timer/andes_plmt_timer.c
+++ b/drivers/timer/andes_plmt_timer.c
@@ -18,11 +18,30 @@
 /* mtime register */
 #define MTIME_REG(base)			((ulong)(base))
 
-static u64 andes_plmt_get_count(struct udevice *dev)
+static u64 notrace andes_plmt_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 andes_plmt_ops = {
 	.get_count = andes_plmt_get_count,
 };
diff --git a/drivers/timer/mtk_timer.c b/drivers/timer/mtk_timer.c
index 448a76a7e1..f6b97f868c 100644
--- a/drivers/timer/mtk_timer.c
+++ b/drivers/timer/mtk_timer.c
@@ -61,6 +61,16 @@ static int mtk_timer_probe(struct udevice *dev)
 	if (!uc_priv->clock_rate)
 		return -EINVAL;
 
+	/*
+	 * Initialize the timer:
+	 * 1. set clock source to system clock with clock divider setting to 1
+	 * 2. set timer mode to free running
+	 * 3. reset timer counter to 0 then enable the timer
+	 */
+	writel(GPT4_CLK_SYS | GPT4_CLK_DIV1, priv->base + MTK_GPT4_CLK);
+	writel(GPT4_FREERUN | GPT4_CLEAR | GPT4_ENABLE,
+	       priv->base + MTK_GPT4_CTRL);
+
 	return 0;
 }
 
diff --git a/drivers/timer/riscv_timer.c b/drivers/timer/riscv_timer.c
index 21ae184057..3627ed79b8 100644
--- a/drivers/timer/riscv_timer.c
+++ b/drivers/timer/riscv_timer.c
@@ -16,7 +16,7 @@
 #include <timer.h>
 #include <asm/csr.h>
 
-static u64 riscv_timer_get_count(struct udevice *dev)
+static u64 notrace riscv_timer_get_count(struct udevice *dev)
 {
 	__maybe_unused u32 hi, lo;
 
@@ -31,6 +31,25 @@ static u64 riscv_timer_get_count(struct udevice *dev)
 	return ((u64)hi << 32) | lo;
 }
 
+#if CONFIG_IS_ENABLED(RISCV_SMODE) && 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_SMODE_TIMER_FREQ;
+}
+
+/**
+ * timer_early_get_count() - Get the timer count before driver model
+ *
+ */
+u64 notrace timer_early_get_count(void)
+{
+	return riscv_timer_get_count(NULL);
+}
+#endif
+
 static int riscv_timer_probe(struct udevice *dev)
 {
 	struct timer_dev_priv *uc_priv = dev_get_uclass_priv(dev);
diff --git a/drivers/timer/sifive_clint_timer.c b/drivers/timer/sifive_clint_timer.c
index de23b85404..de7b4b95c9 100644
--- a/drivers/timer/sifive_clint_timer.c
+++ b/drivers/timer/sifive_clint_timer.c
@@ -15,11 +15,30 @@
 /* mtime register */
 #define MTIME_REG(base)			((ulong)(base) + 0xbff8)
 
-static u64 sifive_clint_get_count(struct udevice *dev)
+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,
 };
diff --git a/drivers/timer/stm32_timer.c b/drivers/timer/stm32_timer.c
index 215334f1b8..e34f5202fc 100644
--- a/drivers/timer/stm32_timer.c
+++ b/drivers/timer/stm32_timer.c
@@ -4,6 +4,8 @@
  * Author(s): Patrice Chotard, <patrice.chotard@foss.st.com> for STMicroelectronics.
  */
 
+#define LOG_CATEGORY UCLASS_TIMER
+
 #include <common.h>
 #include <clk.h>
 #include <dm.h>