microblaze: Add SPL support
Add support for U-BOOT SPL. NOR and RAM mode are supported.
There are 3 images in NOR flash. u-boot.img, dtb and kernel.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/microblaze/include/asm/spl.h b/arch/microblaze/include/asm/spl.h
new file mode 100644
index 0000000..c1cae6c
--- /dev/null
+++ b/arch/microblaze/include/asm/spl.h
@@ -0,0 +1,16 @@
+/*
+ * (C) Copyright 2013 - 2014 Xilinx, Inc
+ *
+ * Michal Simek <michal.simek@xilinx.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _ASM_MICROBLAZE_SPL_H_
+#define _ASM_MICROBLAZE_SPL_H_
+
+#define BOOT_DEVICE_RAM 1
+#define BOOT_DEVICE_NOR 2
+#define BOOT_DEVICE_SPI 3
+
+#endif
diff --git a/arch/microblaze/include/asm/u-boot.h b/arch/microblaze/include/asm/u-boot.h
index 31b014c..ab3f232 100644
--- a/arch/microblaze/include/asm/u-boot.h
+++ b/arch/microblaze/include/asm/u-boot.h
@@ -25,6 +25,7 @@
unsigned long bi_sramstart; /* start of SRAM memory */
unsigned long bi_sramsize; /* size of SRAM memory */
unsigned int bi_baudrate; /* Console Baudrate */
+ ulong bi_boot_params; /* where this board expects params */
} bd_t;
/* For image.h:image_check_target_arch() */