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arm: ls102xa: Add LPUART support for LS1021ATWR board 

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@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Alison Wang 2015-01-04 15:30:59 +08:00 committed by York Sun
parent 8fc2121a10
commit 55d53ab45e
3 changed files with 16 additions and 0 deletions
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1
board/freescale/ls1021atwr/MAINTAINERS
View File

@ -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

3
configs/ls1021atwr_nor_lpuart_defconfig Normal file
View File

@ -0,0 +1,3 @@
CONFIG_SYS_EXTRA_OPTIONS="LPUART"
+S:CONFIG_ARM=y
+S:CONFIG_TARGET_LS1021ATWR=y

12
include/configs/ls1021atwr.h
View File

@ -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