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 --- v2 move the code to per board, nios2-generic.c.
board/altera/nios2-generic/nios2-generic.c | 9 +++++++++ include/configs/nios2-generic.h | 1 + 2 files changed, 10 insertions(+)
diff --git a/board/altera/nios2-generic/nios2-generic.c b/board/altera/nios2-generic/nios2-generic.c index e7fecd2..f508c00 100644 --- a/board/altera/nios2-generic/nios2-generic.c +++ b/board/altera/nios2-generic/nios2-generic.c @@ -14,6 +14,8 @@ #include <asm/io.h> #include <asm/gpio.h>
+DECLARE_GLOBAL_DATA_PTR; + #if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR) && \ defined(CONFIG_CFI_FLASH_MTD) static void __early_flash_cmd_reset(void) @@ -35,6 +37,13 @@ int board_early_init_f(void) return 0; }
+int misc_init_r(void) +{ + setenv_addr("fdt_blob", gd->fdt_blob); + + return 0; +} + int checkboard(void) { #ifdef CONFIG_ALTERA_SYSID 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