Hi Patrice,
On 09/27/2017 06:44 AM, patrice.chot...@st.com wrote:
From: Patrice Chotard <patrice.chot...@st.com>
stm32f4 doesn't support FIFO and OVERRUN feature.
The enable bit is not at the same location in CR1
register than for STM32F7 and STM32H7.
Signed-off-by: Patrice Chotard <patrice.chot...@st.com>
---
drivers/serial/Kconfig | 4 ++--
drivers/serial/serial_stm32x7.c | 1 +
drivers/serial/serial_stm32x7.h | 7 +++++++
3 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 9bf2e26..7c54a49 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -531,9 +531,9 @@ config STI_ASC_SERIAL
config STM32X7_SERIAL
bool "STMicroelectronics STM32 SoCs on-chip UART"
- depends on DM_SERIAL && (STM32F7 || STM32H7)
+ depends on DM_SERIAL && (STM32F4 || STM32F7 || STM32H7)
help
- If you have a machine based on a STM32 F7 or H7 SoC you can
+ If you have a machine based on a STM32 F4, F7 or H7 SoC you can
enable its onboard serial ports, say Y to this option.
If unsure, say N.
diff --git a/drivers/serial/serial_stm32x7.c b/drivers/serial/serial_stm32x7.c
index 19697e3..44e8b42 100644
--- a/drivers/serial/serial_stm32x7.c
+++ b/drivers/serial/serial_stm32x7.c
@@ -127,6 +127,7 @@ static int stm32_serial_probe(struct udevice *dev)
#if CONFIG_IS_ENABLED(OF_CONTROL)
static const struct udevice_id stm32_serial_id[] = {
+ { .compatible = "st,stm32-uart", .data = (ulong)&stm32f4_info},
s/st,stm32-uart/st,stm32f4-uart/ (?)
{ .compatible = "st,stm32f7-uart", .data = (ulong)&stm32f7_info},
{ .compatible = "st,stm32h7-uart", .data = (ulong)&stm32h7_info},
{}
diff --git a/drivers/serial/serial_stm32x7.h b/drivers/serial/serial_stm32x7.h
index ed8a3ee..b914edf 100644
--- a/drivers/serial/serial_stm32x7.h
+++ b/drivers/serial/serial_stm32x7.h
@@ -27,6 +27,13 @@ struct stm32_uart_info {
bool has_fifo;
};
+struct stm32_uart_info stm32f4_info = {
+ .stm32f4 = true,
+ .uart_enable_bit = 13,
+ .has_overrun_disable = false,
+ .has_fifo = false,
+};
+
struct stm32_uart_info stm32f7_info = {
.uart_enable_bit = 0,
.stm32f4 = false,
Best Regards,
Bo Shen
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