Export fdt_blob to the environment variable. So that we may use it to boot Linux.
Signed-off-by: Thomas Chou thomas@wytron.com.tw --- arch/nios2/lib/Makefile | 1 + arch/nios2/lib/misc.c | 16 ++++++++++++++++ include/configs/nios2-generic.h | 1 + 3 files changed, 18 insertions(+) create mode 100644 arch/nios2/lib/misc.c
diff --git a/arch/nios2/lib/Makefile b/arch/nios2/lib/Makefile index e35d2e9..05deea4 100644 --- a/arch/nios2/lib/Makefile +++ b/arch/nios2/lib/Makefile @@ -8,3 +8,4 @@ obj-y += cache.o obj-$(CONFIG_CMD_BOOTM) += bootm.o obj-y += libgcc.o +obj-y += misc.o diff --git a/arch/nios2/lib/misc.c b/arch/nios2/lib/misc.c new file mode 100644 index 0000000..2cf8574 --- /dev/null +++ b/arch/nios2/lib/misc.c @@ -0,0 +1,16 @@ +/* + * Copyright (C) 2015 Thomas Chou thomas@wytron.com.tw + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> + +DECLARE_GLOBAL_DATA_PTR; + +int misc_init_r(void) +{ + setenv_addr("fdt_blob", gd->fdt_blob); + + return 0; +} diff --git a/include/configs/nios2-generic.h b/include/configs/nios2-generic.h index e4b5abb..14ab37f 100644 --- a/include/configs/nios2-generic.h +++ b/include/configs/nios2-generic.h @@ -15,6 +15,7 @@ #include "../board/altera/nios2-generic/custom_fpga.h" /* fpga parameters */ #define CONFIG_BOARD_NAME "nios2-generic" /* custom board name */ #define CONFIG_BOARD_EARLY_INIT_F /* enable early board-spec. init */ +#define CONFIG_MISC_INIT_R #define CONFIG_DISPLAY_CPUINFO #define CONFIG_DISPLAY_BOARDINFO_LATE #define CONFIG_SYS_NIOS_SYSID_BASE CONFIG_SYS_SYSID_BASE