From d39eedbad1073024257059eae47e29a862bf4dcf Mon Sep 17 00:00:00 2001
From: Erwan Gouriou <erwan.gouriou@linaro.org>
Date: Fri, 17 Feb 2017 17:07:09 +0100
Subject: [PATCH] arch: stm32: provide tick to Cube HAL

Cube HAL implements timeout based on 1ms tick.
This commit allows Cube HAL to get Zephyr system clock.

Change-Id: I9a59edcf6fa8e0ebfd5040348db537dadd9fcdfa
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
---
 arch/arm/soc/st_stm32/stm32f1/soc.c | 11 +++++++++++
 arch/arm/soc/st_stm32/stm32f3/soc.c | 11 +++++++++++
 arch/arm/soc/st_stm32/stm32f4/soc.c | 11 +++++++++++
 arch/arm/soc/st_stm32/stm32l4/soc.c | 11 +++++++++++
 4 files changed, 44 insertions(+)

diff --git a/arch/arm/soc/st_stm32/stm32f1/soc.c b/arch/arm/soc/st_stm32/stm32f1/soc.c
index db7ca5becf3..874eeaab749 100644
--- a/arch/arm/soc/st_stm32/stm32f1/soc.c
+++ b/arch/arm/soc/st_stm32/stm32f1/soc.c
@@ -16,6 +16,17 @@
 #include <arch/cpu.h>
 #include <cortex_m/exc.h>
 
+/**
+ * @brief This function configures the source of stm32cube time base.
+ *        Cube HAL expects a 1ms tick which matches with k_uptime_get_32.
+ *        Tick interrupt priority is not used
+ * @return HAL status
+ */
+uint32_t HAL_GetTick(void)
+{
+	return k_uptime_get_32();
+}
+
 /**
  * @brief Perform basic hardware initialization at boot.
  *
diff --git a/arch/arm/soc/st_stm32/stm32f3/soc.c b/arch/arm/soc/st_stm32/stm32f3/soc.c
index 9855ea0ffed..4c554051834 100644
--- a/arch/arm/soc/st_stm32/stm32f3/soc.c
+++ b/arch/arm/soc/st_stm32/stm32f3/soc.c
@@ -16,6 +16,17 @@
 #include <arch/cpu.h>
 #include <cortex_m/exc.h>
 
+/**
+ * @brief This function configures the source of stm32cube time base.
+ *        Cube HAL expects a 1ms tick which matches with k_uptime_get_32.
+ *        Tick interrupt priority is not used
+ * @return HAL status
+ */
+uint32_t HAL_GetTick(void)
+{
+	return k_uptime_get_32();
+}
+
 /**
  * @brief Perform basic hardware initialization at boot.
  *
diff --git a/arch/arm/soc/st_stm32/stm32f4/soc.c b/arch/arm/soc/st_stm32/stm32f4/soc.c
index 3857992a374..827bb1edcdc 100644
--- a/arch/arm/soc/st_stm32/stm32f4/soc.c
+++ b/arch/arm/soc/st_stm32/stm32f4/soc.c
@@ -17,6 +17,17 @@
 #include <arch/cpu.h>
 #include <cortex_m/exc.h>
 
+/**
+ * @brief This function configures the source of stm32cube time base.
+ *        Cube HAL expects a 1ms tick which matches with k_uptime_get_32.
+ *        Tick interrupt priority is not used
+ * @return HAL status
+ */
+uint32_t HAL_GetTick(void)
+{
+	return k_uptime_get_32();
+}
+
 /**
  * @brief Perform basic hardware initialization at boot.
  *
diff --git a/arch/arm/soc/st_stm32/stm32l4/soc.c b/arch/arm/soc/st_stm32/stm32l4/soc.c
index 742960e4635..84ee3295d0f 100644
--- a/arch/arm/soc/st_stm32/stm32l4/soc.c
+++ b/arch/arm/soc/st_stm32/stm32l4/soc.c
@@ -17,6 +17,17 @@
 #include <arch/cpu.h>
 #include <cortex_m/exc.h>
 
+/**
+ * @brief This function configures the source of stm32cube time base.
+ *        Cube HAL expects a 1ms tick which matches with k_uptime_get_32.
+ *        Tick interrupt priority is not used
+ * @return HAL status
+ */
+uint32_t HAL_GetTick(void)
+{
+	return k_uptime_get_32();
+}
+
 /**
  * @brief Perform basic hardware initialization at boot.
  *