Enable device-tree control for this board, as an example for others. This pushes the size of U-Boot over the 256KB limit, so extend this limit to 512KB.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/blackfin/dts/Makefile | 18 ++++++++++++++++++ arch/blackfin/dts/bf537-stamp.dts | 11 +++++++++++ configs/bf537-stamp_defconfig | 2 ++ include/configs/bf537-stamp.h | 1 + 4 files changed, 32 insertions(+) create mode 100644 arch/blackfin/dts/Makefile create mode 100644 arch/blackfin/dts/bf537-stamp.dts
diff --git a/arch/blackfin/dts/Makefile b/arch/blackfin/dts/Makefile new file mode 100644 index 0000000..757b1b0 --- /dev/null +++ b/arch/blackfin/dts/Makefile @@ -0,0 +1,18 @@ +# +# Copyright (C) 2016 Google, Inc +# +# SPDX-License-Identifier: GPL-2.0+ +# + +dtb-$(CONFIG_BLACKFIN) += bf537-stamp.dtb + +targets += $(dtb-y) + +# Add any required device tree compiler flags here +DTC_FLAGS += + +PHONY += dtbs +dtbs: $(addprefix $(obj)/, $(dtb-y)) + @: + +clean-files := *.dtb diff --git a/arch/blackfin/dts/bf537-stamp.dts b/arch/blackfin/dts/bf537-stamp.dts new file mode 100644 index 0000000..84fb1ef --- /dev/null +++ b/arch/blackfin/dts/bf537-stamp.dts @@ -0,0 +1,11 @@ +/dts-v1/; + +/ { + chosen { + stdout-path = &uart0; + }; + + uart0: uart0 { + compatible = "adi,uart-v1"; + }; +}; diff --git a/configs/bf537-stamp_defconfig b/configs/bf537-stamp_defconfig index b691702..599a4a0 100644 --- a/configs/bf537-stamp_defconfig +++ b/configs/bf537-stamp_defconfig @@ -1,5 +1,6 @@ CONFIG_BLACKFIN=y CONFIG_TARGET_BF537_STAMP=y +CONFIG_DEFAULT_DEVICE_TREE="bf537-stamp" CONFIG_BOOTDELAY=5 CONFIG_SILENT_CONSOLE=y CONFIG_CMD_MMC=y @@ -16,6 +17,7 @@ CONFIG_CMD_DNS=y CONFIG_CMD_CACHE=y CONFIG_CMD_EXT2=y CONFIG_CMD_FAT=y +CONFIG_OF_CONTROL=y CONFIG_NET_RANDOM_ETHADDR=y CONFIG_SPI_FLASH=y CONFIG_SPI_FLASH_ATMEL=y diff --git a/include/configs/bf537-stamp.h b/include/configs/bf537-stamp.h index 4f861aa..f8639d8 100644 --- a/include/configs/bf537-stamp.h +++ b/include/configs/bf537-stamp.h @@ -238,6 +238,7 @@ /* * Misc Settings */ +#define CONFIG_BOARD_SIZE_LIMIT $$(( 512 * 1024 )) #define CONFIG_MISC_INIT_R #define CONFIG_RTC_BFIN #define CONFIG_UART_CONSOLE 0