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Diffstat (limited to 'ubi-utils/src/ubiinfo/ubiipl.h')
-rw-r--r--ubi-utils/src/ubiinfo/ubiipl.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/ubi-utils/src/ubiinfo/ubiipl.h b/ubi-utils/src/ubiinfo/ubiipl.h
new file mode 100644
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+++ b/ubi-utils/src/ubiinfo/ubiipl.h
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+#ifndef _UBI_IPL_H
+#define _UBI_IPL_H
+/*
+ * Copyright (c) International Business Machines Corp., 2006
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/*
+ * Constants calculated from the CFG_XXX defines
+ *
+ * Declaration of the loader function which is invoked by the
+ * assembler part of the IPL
+ */
+
+/* Size of IPL - is 4K for NAND and can also be 4K for NOR */
+#define IPL_SIZE 4096
+
+/* Needed in asm code to upload the data, needed in C-code for CRC32 */
+#define IPL_RAMADDR (CFG_MEMTOP - IPL_SIZE)
+
+#if !defined(__ASSEMBLY__)
+
+#include <stdint.h>
+#include <mtd/ubi-header.h>
+
+/* Address of the flash info structure */
+#define FINFO_ADDR (struct ubi_scan_info *) (CFG_MEMTOP - CFG_IPLSIZE * 1024)
+
+/* Size of the flash info structure */
+#define FINFO_SIZE sizeof(struct ubi_scan_info)
+
+/* Blockinfo array address */
+#define BINFO_ADDR (struct ubi_vid_hdr *) ((void *)FINFO_ADDR + FINFO_SIZE)
+
+/* Number of erase blocks */
+#define NR_ERASE_BLOCKS ((CFG_FLASHSIZE * 1024) / CFG_BLOCKSIZE)
+
+/* Blockinfo size */
+#define BINFO_SIZE (NR_ERASE_BLOCKS * sizeof(struct ubi_vid_hdr))
+
+/* Images array address */
+#define IMAGES_ADDR (struct ubi_vid_hdr **) ((void *)BINFO_ADDR + BINFO_SIZE)
+
+/* Images array size */
+#define IMAGES_SIZE (NR_ERASE_BLOCKS * sizeof(unsigned int))
+
+/* Total size of flash info + blockinfo + images */
+#define INFO_SIZE ((FINFO_SIZE + BINFO_SIZE + IMAGES_SIZE) / sizeof(uint32_t))
+
+/* Load address of the SPL */
+#define SPL_ADDR (void *) ((void *)FINFO_ADDR - CFG_SPLCODE * 1024)
+
+#define IPL_SIZE_CRC32 (IPL_SIZE - sizeof(uint32_t))
+#define IPL_RAMADDR_CRC32 ((void *)(IPL_RAMADDR + sizeof(uint32_t)))
+
+/*
+ * Linker script magic to ensure that load_spl() is linked to the
+ * right place
+ */
+#define __crc32 __attribute__((__section__(".crc32")))
+#define __entry __attribute__((__section__(".entry.text")))
+#define __unused __attribute__((unused))
+
+#define MIN(x,y) ((x)<(y)?(x):(y))
+
+#define stop_on_error(x) \
+ { while (1); }
+
+void __entry load_spl(void);
+void hardware_init(void);
+
+#endif /* __ASSEMBLY__ */
+
+#endif