[U-Boot] [PATCH] MSCC: Jaguar2 enable debug uart

Horatiu Vultur horatiu.vultur at microchip.com
Tue Jan 29 09:50:16 UTC 2019


Enable debug uart for Jaguar2 SoC family.

Signed-off-by: Horatiu Vultur <horatiu.vultur at microchip.com>
---
 board/mscc/jr2/jr2.c       | 7 +++++++
 configs/mscc_jr2_defconfig | 6 ++++++
 2 files changed, 13 insertions(+)

diff --git a/board/mscc/jr2/jr2.c b/board/mscc/jr2/jr2.c
index eac4dca..226181f 100644
--- a/board/mscc/jr2/jr2.c
+++ b/board/mscc/jr2/jr2.c
@@ -64,6 +64,13 @@ static void vcoreiii_gpio_set_alternate(int gpio, int mode)
 	}
 }
 
+void board_debug_uart_init(void)
+{
+	/* too early for the pinctrl driver, so configure the UART pins here */
+	vcoreiii_gpio_set_alternate(10, 1);
+	vcoreiii_gpio_set_alternate(11, 1);
+}
+
 static void do_board_detect(void)
 {
 	int i;
diff --git a/configs/mscc_jr2_defconfig b/configs/mscc_jr2_defconfig
index 040e1e1..d80ca41 100644
--- a/configs/mscc_jr2_defconfig
+++ b/configs/mscc_jr2_defconfig
@@ -56,3 +56,9 @@ CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_LZMA=y
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_BASE=0x70100000
+CONFIG_DEBUG_UART_CLOCK=250000000
+CONFIG_DEBUG_UART=y
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_DEBUG_UART_ANNOUNCE=y
-- 
2.7.4



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