[U-Boot] [PATCH 2/2] arm: ls102xa: Add LPUART support for LS1021ATWR board

[Alison Wang]

This patch adds LPUART support for LS1021ATWR board.
For ls1021atwr_nor_lpuart_defconfig, LPUART is used as the console.

Signed-off-by: Alison Wang <alison.wang at freescale.com>
---
 board/freescale/ls1021atwr/MAINTAINERS  |  1 +
 configs/ls1021atwr_nor_lpuart_defconfig |  3 +++
 include/configs/ls1021atwr.h            | 12 ++++++++++++
 3 files changed, 16 insertions(+)
 create mode 100644 configs/ls1021atwr_nor_lpuart_defconfig

diff --git a/board/freescale/ls1021atwr/MAINTAINERS b/board/freescale/ls1021atwr/MAINTAINERS
index 9176706..e9f6f0a 100644
--- a/board/freescale/ls1021atwr/MAINTAINERS
+++ b/board/freescale/ls1021atwr/MAINTAINERS
@@ -5,5 +5,6 @@ F:	board/freescale/ls1021atwr/
 F:	include/configs/ls1021atwr.h
 F:	configs/ls1021atwr_nor_defconfig
 F:	configs/ls1021atwr_nor_SECURE_BOOT_defconfig
+F:	configs/ls1021atwr_nor_lpuart_defconfig
 F:	configs/ls1021atwr_sdcard_defconfig
 F:	configs/ls1021atwr_qspi_defconfig
diff --git a/configs/ls1021atwr_nor_lpuart_defconfig b/configs/ls1021atwr_nor_lpuart_defconfig
new file mode 100644
index 0000000..bdab6d9
--- /dev/null
+++ b/configs/ls1021atwr_nor_lpuart_defconfig
@@ -0,0 +1,3 @@
+CONFIG_SYS_EXTRA_OPTIONS="LPUART"
++S:CONFIG_ARM=y
++S:CONFIG_TARGET_LS1021ATWR=y
diff --git a/include/configs/ls1021atwr.h b/include/configs/ls1021atwr.h
index 66954d0..0a0bb5f 100644
--- a/include/configs/ls1021atwr.h
+++ b/include/configs/ls1021atwr.h
@@ -186,11 +186,16 @@
 /*
  * Serial Port
  */
+#ifdef CONFIG_LPUART
+#define CONFIG_FSL_LPUART
+#define CONFIG_LPUART_32B_REG
+#else
 #define CONFIG_CONS_INDEX		1
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1
 #define CONFIG_SYS_NS16550_CLK		get_serial_clock()
+#endif
 
 #define CONFIG_BAUDRATE			115200
 
@@ -325,10 +330,17 @@
 
 #define CONFIG_BOOTDELAY		3
 
+#ifdef CONFIG_LPUART
+#define CONFIG_EXTRA_ENV_SETTINGS       \
+	"bootargs=root=/dev/ram0 rw console=ttyLP0,115200\0" \
+	"initrd_high=0xcfffffff\0"      \
+	"fdt_high=0xcfffffff\0"
+#else
 #define CONFIG_EXTRA_ENV_SETTINGS	\
 	"bootargs=root=/dev/ram0 rw console=ttyS0,115200\0" \
 	"initrd_high=0xcfffffff\0"      \
 	"fdt_high=0xcfffffff\0"
+#endif
 
 /*
  * Miscellaneous configurable options
-- 
2.1.0.27.g96db324