1 files changed, 167 insertions, 0 deletions
diff --git a/firmware/target/arm/s5l8702/nor-target.h b/firmware/target/arm/s5l8702/nor-target.h
new file mode 100644
index 0000000000..4ebe1d58d4
--- /dev/null
+++ b/firmware/target/arm/s5l8702/nor-target.h
@@ -0,0 +1,167 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id:
+ *
+ * Copyright © 2009 Michael Sparmann
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef __NOR_TARGET_H__
+#define __NOR_TARGET_H__
+#include <stdint.h>
+#include <stdbool.h>
+#include "config.h"
+#include "crypto-s5l8702.h"
+/* NOR memory map (Classic 6G):
+ *
+ *         1MB  ______________
+ *             |              |
+ *             |   flsh DIR   |
+ *   1MB-0x200 |______________|
+ *             |              |
+ *             |    File 1    |
+ *             |..............|
+ *             |              |
+ *             |    File 2    |
+ *             |..............|
+ *             |              |
+ *             .              .
+ *             .              .
+ *             .              .
+ *             |              |
+ *             |..............|
+ *             |              |
+ *             |    File N    |
+ *             |______________|
+ *             |              |
+ *             |              |
+ *             |              |
+ *             |              |                  IM3 (128KB)
+ *             |    Unused    |     . . . . . .  ______________
+ *             |              |   /             |              |
+ *             |              |  /              |              |
+ *             |              | /               |              |
+ *       160KB |______________|/                |              |
+ *             |              |                 |              |
+ *             |              |                 |      EFI     |
+ *             |   Original   |                 |    Volumen   |
+ *             |   NOR Boot   |                 |              |
+ *             |              |                 |              |
+ *             |              |                 |              |
+ *        32KB |______________|                 |              |
+ *             |              |\          0x800 |______________|
+ *             |              | \               |              |
+ *             |              |  \              |  IM3 Header  |
+ *             |______________|   \ . . . . . . |______________|
+ *             |              |
+ *             |    SysCfg    |
+ *           0 |______________|
+ */
+#define SPI_PORT    0
+#define NOR_SZ          0x100000
+#define NORBOOT_OFF     0x8000
+#define NORBOOT_MAXSZ   0x20000
+void bootflash_init(int port);
+void bootflash_read(int port, uint32_t addr, uint32_t size, void* buf);
+void bootflash_write(int port, int offset, void* addr, int size);
+int bootflash_compare(int port, int offset, void* addr, int size);
+void bootflash_erase_blocks(int port, int first, int n);
+void bootflash_close(int port);
+/*
+ * IM3
+ */
+#define IM3_IDENT       "8702"
+#define IM3_VERSION     "1.0"
+#define IM3HDR_SZ       0x800
+#define IM3INFO_SZ      (sizeof(struct Im3Info))
+#define IM3INFOSIGN_SZ  (offsetof(struct Im3Info, info_sign))
+#define SIGN_SZ     16
+struct Im3Info
+{
+    uint8_t ident[4];
+    uint8_t version[3];
+    uint8_t enc_type;
+    uint8_t entry[4];   /* LE */
+    uint8_t data_sz[4]; /* LE */
+    union {
+        struct {
+            uint8_t data_sign[SIGN_SZ];
+            uint8_t _reserved[32];
+        } enc12;
+        struct {
+            uint8_t sign_off[4]; /* LE */
+            uint8_t cert_off[4]; /* LE */
+            uint8_t cert_sz[4];  /* LE */
+            uint8_t _reserved[36];
+        } enc34;
+    } u;
+    uint8_t info_sign[SIGN_SZ];
+} __attribute__ ((packed));
+struct Im3Hdr
+{
+    struct Im3Info info;
+    uint8_t _zero[IM3HDR_SZ - sizeof(struct Im3Info)];
+} __attribute__ ((packed));
+unsigned im3_nor_sz(struct Im3Info* hinfo);
+void im3_sign(uint32_t keyidx, void* data, uint32_t size, void* sign);
+void im3_crypt(enum hwkeyaes_direction direction,
+                            struct Im3Info *hinfo, void *fw_addr);
+int im3_read(uint32_t offset, struct Im3Info *hinfo, void *fw_addr);
+bool im3_write(int offset, void *im3_addr);
+/*
+ * flsh FS
+ */
+#define DIR_SZ      0x200
+#define DIR_OFF     (NOR_SZ - DIR_SZ)
+#define ENTRY_SZ    ((int)sizeof(image_t))
+#define MAX_ENTRY   (DIR_SZ / ENTRY_SZ)
+#define FILEHDR_SZ  0x200
+/* from tools/ipod_fw.c */
+typedef struct _image {
+    char type[4];           /* '' */
+    unsigned id;            /* */
+    char pad1[4];           /* 0000 0000 */
+    unsigned devOffset;     /* byte offset of start of image code */
+    unsigned len;           /* length in bytes of image */
+    unsigned addr;          /* load address */
+    unsigned entryOffset;   /* execution start within image */
+    unsigned chksum;        /* checksum for image */
+    unsigned vers;          /* image version */
+    unsigned loadAddr;      /* load address for image */
+} image_t;
+int flsh_get_info(int *used, int *unused);
+unsigned flsh_get_unused(void);
+int flsh_find_file(char *name, image_t *entry);
+int flsh_load_file(image_t *entry, void *hdr, void *data);
+#endif /* __NOR_TARGET_H__ */

diff --git a/firmware/target/arm/s5l8702/nor-target.h b/firmware/target/arm/s5l8702/nor-target.h new file mode 100644 index 0000000000..4ebe1d58d4 --- /dev/null +++ b/firmware/target/arm/s5l8702/nor-target.h
@@ -0,0 +1,167 @@
	1	/***************************************************************************
	2	* __________ __ ___.
	3	* Open \______ \ ____ ____ \| \| _\_ \|__ _______ ___
	4	* Source \| _// _ \_/ ___\\| \|/ /\| __ \ / _ \ \/ /
	5	* Jukebox \| \| ( <_> ) \___\| < \| \_\ ( <_> > < <
	6	* Firmware \|____\|_ /\____/ \___ >__\|_ \\|___ /\____/__/\_ \
	7	* \/ \/ \/ \/ \/
	8	* $Id:
	9	*
	10	* Copyright © 2009 Michael Sparmann
	11	*
	12	* This program is free software; you can redistribute it and/or
	13	* modify it under the terms of the GNU General Public License
	14	* as published by the Free Software Foundation; either version 2
	15	* of the License, or (at your option) any later version.
	16	*
	17	* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
	18	* KIND, either express or implied.
	19	*
	20	****************************************************************************/
	21	#ifndef __NOR_TARGET_H__
	22	#define __NOR_TARGET_H__
	23
	24	#include <stdint.h>
	25	#include <stdbool.h>
	26
	27	#include "config.h"
	28	#include "crypto-s5l8702.h"
	29
	30
	31	/* NOR memory map (Classic 6G):
	32	*
	33	* 1MB ______________
	34	* \| \|
	35	* \| flsh DIR \|
	36	* 1MB-0x200 \|______________\|
	37	* \| \|
	38	* \| File 1 \|
	39	* \|..............\|
	40	* \| \|
	41	* \| File 2 \|
	42	* \|..............\|
	43	* \| \|
	44	* . .
	45	* . .
	46	* . .
	47	* \| \|
	48	* \|..............\|
	49	* \| \|
	50	* \| File N \|
	51	* \|______________\|
	52	* \| \|
	53	* \| \|
	54	* \| \|
	55	* \| \| IM3 (128KB)
	56	* \| Unused \| . . . . . . ______________
	57	* \| \| / \| \|
	58	* \| \| / \| \|
	59	* \| \| / \| \|
	60	* 160KB \|______________\|/ \| \|
	61	* \| \| \| \|
	62	* \| \| \| EFI \|
	63	* \| Original \| \| Volumen \|
	64	* \| NOR Boot \| \| \|
	65	* \| \| \| \|
	66	* \| \| \| \|
	67	* 32KB \|______________\| \| \|
	68	* \| \|\ 0x800 \|______________\|
	69	* \| \| \ \| \|
	70	* \| \| \ \| IM3 Header \|
	71	* \|______________\| \ . . . . . . \|______________\|
	72	* \| \|
	73	* \| SysCfg \|
	74	* 0 \|______________\|
	75	*/
	76
	77	#define SPI_PORT 0
	78
	79	#define NOR_SZ 0x100000
	80	#define NORBOOT_OFF 0x8000
	81	#define NORBOOT_MAXSZ 0x20000
	82
	83	void bootflash_init(int port);
	84	void bootflash_read(int port, uint32_t addr, uint32_t size, void* buf);
	85	void bootflash_write(int port, int offset, void* addr, int size);
	86	int bootflash_compare(int port, int offset, void* addr, int size);
	87	void bootflash_erase_blocks(int port, int first, int n);
	88	void bootflash_close(int port);
	89
	90
	91	/*
	92	* IM3
	93	*/
	94	#define IM3_IDENT "8702"
	95	#define IM3_VERSION "1.0"
	96	#define IM3HDR_SZ 0x800
	97	#define IM3INFO_SZ (sizeof(struct Im3Info))
	98	#define IM3INFOSIGN_SZ (offsetof(struct Im3Info, info_sign))
	99
	100	#define SIGN_SZ 16
	101
	102	struct Im3Info
	103	{
	104	uint8_t ident[4];
	105	uint8_t version[3];
	106	uint8_t enc_type;
	107	uint8_t entry[4]; /* LE */
	108	uint8_t data_sz[4]; /* LE */
	109	union {
	110	struct {
	111	uint8_t data_sign[SIGN_SZ];
	112	uint8_t _reserved[32];
	113	} enc12;
	114	struct {
	115	uint8_t sign_off[4]; /* LE */
	116	uint8_t cert_off[4]; /* LE */
	117	uint8_t cert_sz[4]; /* LE */
	118	uint8_t _reserved[36];
	119	} enc34;
	120	} u;
	121	uint8_t info_sign[SIGN_SZ];
	122	} __attribute__ ((packed));
	123
	124	struct Im3Hdr
	125	{
	126	struct Im3Info info;
	127	uint8_t _zero[IM3HDR_SZ - sizeof(struct Im3Info)];
	128	} __attribute__ ((packed));
	129
	130	unsigned im3_nor_sz(struct Im3Info* hinfo);
	131	void im3_sign(uint32_t keyidx, void* data, uint32_t size, void* sign);
	132	void im3_crypt(enum hwkeyaes_direction direction,
	133	struct Im3Info hinfo, void fw_addr);
	134	int im3_read(uint32_t offset, struct Im3Info hinfo, void fw_addr);
	135	bool im3_write(int offset, void *im3_addr);
	136
	137
	138	/*
	139	* flsh FS
	140	*/
	141	#define DIR_SZ 0x200
	142	#define DIR_OFF (NOR_SZ - DIR_SZ)
	143	#define ENTRY_SZ ((int)sizeof(image_t))
	144	#define MAX_ENTRY (DIR_SZ / ENTRY_SZ)
	145
	146	#define FILEHDR_SZ 0x200
	147
	148	/* from tools/ipod_fw.c */
	149	typedef struct _image {
	150	char type[4]; /* '' */
	151	unsigned id; /* */
	152	char pad1[4]; /* 0000 0000 */
	153	unsigned devOffset; /* byte offset of start of image code */
	154	unsigned len; /* length in bytes of image */
	155	unsigned addr; /* load address */
	156	unsigned entryOffset; /* execution start within image */
	157	unsigned chksum; /* checksum for image */
	158	unsigned vers; /* image version */
	159	unsigned loadAddr; /* load address for image */
	160	} image_t;
	161
	162	int flsh_get_info(int used, int unused);
	163	unsigned flsh_get_unused(void);
	164	int flsh_find_file(char name, image_t entry);
	165	int flsh_load_file(image_t entry, void hdr, void *data);
	166
	167	#endif /* __NOR_TARGET_H__ */