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openwrt-xburst/target/linux/adm5120/files/include/asm-mips/mach-adm5120/prom/myloader.h

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/*
* Compex's MyLoader specific definitions
*
* Copyright (C) 2006-2008 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
*/
#ifndef _MYLOADER_H_
#define _MYLOADER_H_
/*
* Firmware file format:
*
* <header>
* [<block descriptor 0>]
* ...
* [<block descriptor n>]
* <null block descriptor>
* [<block data 0>]
* ...
* [<block data n>]
*
*
*/
/* Myloader specific magic numbers */
#define MYLO_MAGIC_FIRMWARE 0x4C594D00
#define MYLO_MAGIC_20021103 0x20021103
#define MYLO_MAGIC_20021107 0x20021107
#define MYLO_MAGIC_SYS_PARAMS MYLO_MAGIC_20021107
#define MYLO_MAGIC_PARTITIONS MYLO_MAGIC_20021103
#define MYLO_MAGIC_BOARD_PARAMS MYLO_MAGIC_20021103
/*
* Addresses of the data structures provided by MyLoader
*/
#define MYLO_MIPS_SYS_PARAMS 0x80000800 /* System Parameters */
#define MYLO_MIPS_BOARD_PARAMS 0x80000A00 /* Board Parameters */
#define MYLO_MIPS_PARTITIONS 0x80000C00 /* Partition Table */
#define MYLO_MIPS_BOOT_PARAMS 0x80000E00 /* Boot Parameters */
/* Vendor ID's (seems to be same as the PCI vendor ID's) */
#define VENID_COMPEX 0x11F6
/* Devices based on the ADM5120 */
#define DEVID_COMPEX_NP27G 0x0078
#define DEVID_COMPEX_NP28G 0x044C
#define DEVID_COMPEX_NP28GHS 0x044E
#define DEVID_COMPEX_WP54Gv1C 0x0514
#define DEVID_COMPEX_WP54G 0x0515
#define DEVID_COMPEX_WP54AG 0x0546
#define DEVID_COMPEX_WPP54AG 0x0550
#define DEVID_COMPEX_WPP54G 0x0555
/* Devices based on the IXP422 */
#define DEVID_COMPEX_WP18 0x047E
#define DEVID_COMPEX_NP18A 0x0489
/* Other devices */
#define DEVID_COMPEX_NP26G8M 0x03E8
#define DEVID_COMPEX_NP26G16M 0x03E9
struct mylo_fw_header {
uint32_t magic; /* must be MYLO_MAGIC_FIRMWARE */
uint32_t crc; /* CRC of the whole firmware */
uint32_t res0; /* unknown/unused */
uint32_t res1; /* unknown/unused */
uint16_t vid; /* vendor ID */
uint16_t did; /* device ID */
uint16_t svid; /* sub vendor ID */
uint16_t sdid; /* sub device ID */
uint32_t rev; /* device revision */
uint32_t fwhi; /* FIXME: firmware version high? */
uint32_t fwlo; /* FIXME: firmware version low? */
uint32_t flags; /* firmware flags */
};
#define FW_FLAG_BOARD_PARAMS_WP 0x01 /* board parameters are write protected */
#define FW_FLAG_BOOT_SECTOR_WE 0x02 /* enable of write boot sectors (below 64K) */
struct mylo_fw_blockdesc {
uint32_t type; /* block type */
uint32_t addr; /* relative address to flash start */
uint32_t dlen; /* size of block data in bytes */
uint32_t blen; /* total size of block in bytes */
};
#define FW_DESC_TYPE_UNUSED 0
#define FW_DESC_TYPE_USED 1
struct mylo_partition {
uint16_t flags; /* partition flags */
uint16_t type; /* type of the partition */
uint32_t addr; /* relative address of the partition from the
flash start */
uint32_t size; /* size of the partition in bytes */
uint32_t param; /* if this is the active partition, the
MyLoader load code to this address */
};
#define PARTITION_FLAG_ACTIVE 0x8000 /* this is the active partition,
* MyLoader loads firmware from here */
#define PARTITION_FLAG_ISRAM 0x2000 /* FIXME: this is a RAM partition? */
#define PARTIIION_FLAG_RAMLOAD 0x1000 /* FIXME: load this partition into the RAM? */
#define PARTITION_FLAG_PRELOAD 0x0800 /* the partition data preloaded to RAM
* before decompression */
#define PARTITION_FLAG_HAVEHDR 0x0002 /* the partition data have a header */
#define PARTITION_TYPE_FREE 0
#define PARTITION_TYPE_USED 1
#define MYLO_MAX_PARTITIONS 8 /* maximum number of partitions in the
partition table */
struct mylo_partition_table {
uint32_t magic; /* must be MYLO_MAGIC_PARTITIONS */
uint32_t res0; /* unknown/unused */
uint32_t res1; /* unknown/unused */
uint32_t res2; /* unknown/unused */
struct mylo_partition partitions[MYLO_MAX_PARTITIONS];
};
struct mylo_partition_header {
uint32_t len; /* length of the partition data */
uint32_t crc; /* CRC value of the partition data */
};
struct mylo_system_params {
uint32_t magic; /* must be MYLO_MAGIC_SYS_PARAMS */
uint32_t res0;
uint32_t res1;
uint32_t mylo_ver;
uint16_t vid; /* Vendor ID */
uint16_t did; /* Device ID */
uint16_t svid; /* Sub Vendor ID */
uint16_t sdid; /* Sub Device ID */
uint32_t rev; /* device revision */
uint32_t fwhi;
uint32_t fwlo;
uint32_t tftp_addr;
uint32_t prog_start;
uint32_t flash_size; /* Size of boot FLASH in bytes */
uint32_t dram_size; /* Size of onboard RAM in bytes */
};
struct mylo_eth_addr {
uint8_t mac[6];
uint8_t csum[2];
};
#define MYLO_ETHADDR_COUNT 8 /* maximum number of ethernet address
in the board parameters */
struct mylo_board_params {
uint32_t magic; /* must be MYLO_MAGIC_BOARD_PARAMS */
uint32_t res0;
uint32_t res1;
uint32_t res2;
struct mylo_eth_addr addr[MYLO_ETHADDR_COUNT];
};
struct myloader_info {
u32 vid;
u32 did;
u32 svid;
u32 sdid;
uint8_t macs[MYLO_ETHADDR_COUNT][6];
};
extern struct myloader_info myloader_info;
extern int myloader_present(void) __init;
#endif /* _MYLOADER_H_*/