xtensa: add support for the xtensa processor architecture [2/2]
The Xtensa processor architecture is a configurable, extensible,
and synthesizable 32-bit RISC processor core provided by Tensilica, inc.
This is the second part of the basic architecture port, adding the
'arch/xtensa' directory and a readme file.
Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/xtensa/include/asm/u-boot.h b/arch/xtensa/include/asm/u-boot.h
new file mode 100644
index 0000000..cfdc036
--- /dev/null
+++ b/arch/xtensa/include/asm/u-boot.h
@@ -0,0 +1,41 @@
+/*
+ * (C) Copyright 2007, Tensilica Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ ********************************************************************
+ * NOTE: This header file defines an interface to U-Boot. Including
+ * this (unmodified) header file in another file is considered normal
+ * use of U-Boot, and does *not* fall under the heading of "derived
+ * work".
+ ********************************************************************
+ */
+
+#ifndef _XTENSA_U_BOOT_H
+#define _XTENSA_U_BOOT_H
+
+#ifdef CONFIG_SYS_GENERIC_BOARD
+/* Use the generic board which requires a unified bd_info */
+#include <asm-generic/u-boot.h>
+#else
+
+#ifndef __ASSEMBLY__
+typedef struct bd_info {
+ int bi_baudrate; /* serial console baudrate */
+ unsigned long bi_ip_addr; /* IP Address */
+ unsigned char bi_enetaddr[6]; /* Ethernet adress */
+ unsigned long bi_boot_params; /* where this board expects params */
+ unsigned long bi_memstart; /* start of DRAM memory VA */
+ unsigned long bi_memsize; /* size of DRAM memory in bytes */
+ unsigned long bi_flashstart; /* start of FLASH memory */
+ unsigned long bi_flashsize; /* size of FLASH memory */
+ unsigned long bi_flashoffset; /* offset to skip UBoot image */
+} bd_t;
+#endif /* __ ASSEMBLY__ */
+
+#endif /* CONFIG_SYS_GENERIC_BOARD */
+
+/* For image.h:image_check_target_arch() */
+#define IH_ARCH_DEFAULT IH_ARCH_XTENSA
+
+#endif /* _XTENSA_U_BOOT_H */