[U-Boot] [PATCH 1/2] arm: ls102xa: Add LPUART support for LS1021AQDS board

[Alison Wang]

This patch adds LPUART support for LS1021AQDS board.
For ls1021aqds_nor_lpuart_defconfig, LPUART is used as the console.

Signed-off-by: Alison Wang <alison.wang at freescale.com>
---
 board/freescale/ls1021aqds/MAINTAINERS  |  1 +
 configs/ls1021aqds_nor_lpuart_defconfig |  3 +++
 include/configs/ls1021aqds.h            | 13 +++++++++++++
 3 files changed, 17 insertions(+)
 create mode 100644 configs/ls1021aqds_nor_lpuart_defconfig

diff --git a/board/freescale/ls1021aqds/MAINTAINERS b/board/freescale/ls1021aqds/MAINTAINERS
index 638833d..661526b 100644
--- a/board/freescale/ls1021aqds/MAINTAINERS
+++ b/board/freescale/ls1021aqds/MAINTAINERS
@@ -6,6 +6,7 @@ F:	include/configs/ls1021aqds.h
 F:	configs/ls1021aqds_nor_defconfig
 F:	configs/ls1021aqds_ddr4_nor_defconfig
 F:	configs/ls1021aqds_nor_SECURE_BOOT_defconfig
+F:	configs/ls1021aqds_nor_lpuart_defconfig
 F:	configs/ls1021aqds_sdcard_defconfig
 F:	configs/ls1021aqds_qspi_defconfig
 F:	configs/ls1021aqds_nand_defconfig
diff --git a/configs/ls1021aqds_nor_lpuart_defconfig b/configs/ls1021aqds_nor_lpuart_defconfig
new file mode 100644
index 0000000..29335ee
--- /dev/null
+++ b/configs/ls1021aqds_nor_lpuart_defconfig
@@ -0,0 +1,3 @@
+CONFIG_SYS_EXTRA_OPTIONS="LPUART"
++S:CONFIG_ARM=y
++S:CONFIG_TARGET_LS1021AQDS=y
diff --git a/include/configs/ls1021aqds.h b/include/configs/ls1021aqds.h
index 8dc04f2..6ad6391 100644
--- a/include/configs/ls1021aqds.h
+++ b/include/configs/ls1021aqds.h
@@ -365,11 +365,16 @@ unsigned long get_board_ddr_clk(void);
 /*
  * 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
 
@@ -508,11 +513,19 @@ unsigned long get_board_ddr_clk(void);
 
 #define CONFIG_SYS_QE_FW_ADDR     0x67f40000
 
+#ifdef CONFIG_LPUART
+#define CONFIG_EXTRA_ENV_SETTINGS       \
+	"bootargs=root=/dev/ram0 rw console=ttyLP0,115200\0" \
+	"fdt_high=0xcfffffff\0"         \
+	"initrd_high=0xcfffffff\0"      \
+	"hwconfig=fsl_ddr:ctlr_intlv=null,bank_intlv=null\0"
+#else
 #define CONFIG_EXTRA_ENV_SETTINGS	\
 	"bootargs=root=/dev/ram0 rw console=ttyS0,115200\0" \
 	"fdt_high=0xcfffffff\0"		\
 	"initrd_high=0xcfffffff\0"      \
 	"hwconfig=fsl_ddr:ctlr_intlv=null,bank_intlv=null\0"
+#endif
 
 /*
  * Miscellaneous configurable options
-- 
2.1.0.27.g96db324