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-rw-r--r--arch/microblaze/lib/board.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/microblaze/lib/board.c b/arch/microblaze/lib/board.c
index b80250a..942e18c 100644
--- a/arch/microblaze/lib/board.c
+++ b/arch/microblaze/lib/board.c
@@ -34,6 +34,7 @@
#include <net.h>
#include <asm/processor.h>
#include <asm/microblaze_intc.h>
+#include <fdtdec.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -63,6 +64,9 @@ typedef int (init_fnc_t) (void);
init_fnc_t *init_sequence[] = {
env_init,
+#ifdef CONFIG_OF_CONTROL
+ fdtdec_check_fdt,
+#endif
serial_init,
console_init_f,
#ifdef CONFIG_SYS_GPIO_0
@@ -103,6 +107,17 @@ void board_init (void)
monitor_flash_len = __end - __text_start;
+#ifdef CONFIG_OF_EMBED
+ /* Get a pointer to the FDT */
+ gd->fdt_blob = _binary_dt_dtb_start;
+#elif defined CONFIG_OF_SEPARATE
+ /* FDT is at end of image */
+ gd->fdt_blob = (void *)__end;
+#endif
+ /* Allow the early environment to override the fdt address */
+ gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
+ (uintptr_t)gd->fdt_blob);
+
/*
* The Malloc area is immediately below the monitor copy in DRAM
* aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off
@@ -121,6 +136,15 @@ void board_init (void)
}
}
+#ifdef CONFIG_OF_CONTROL
+ /* For now, put this check after the console is ready */
+ if (fdtdec_prepare_fdt()) {
+ panic("** CONFIG_OF_CONTROL defined but no FDT - please see "
+ "doc/README.fdt-control");
+ } else
+ printf("DTB: 0x%x\n", (u32)gd->fdt_blob);
+#endif
+
puts ("SDRAM :\n");
printf ("\t\tIcache:%s\n", icache_status() ? "ON" : "OFF");
printf ("\t\tDcache:%s\n", dcache_status() ? "ON" : "OFF");