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/*
* imx_sdp:
* Interface of the Serial Download Protocol (SDP) for i.MX/Vybrid
* series processors.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __IMX_SDP_H__
#define __IMX_SDP_H__
#include <stdint.h>
struct ram_area {
unsigned start;
unsigned size;
};
struct mem_work {
struct mem_work *next;
unsigned type;
#define MEM_TYPE_READ 0
#define MEM_TYPE_WRITE 1
#define MEM_TYPE_MODIFY 2
unsigned vals[3];
};
struct sdp_work;
struct sdp_work {
struct sdp_work *next;
struct mem_work *mem;
char filename[256];
unsigned char dcd;
unsigned char clear_dcd; //means clear dcd_ptr
unsigned char clear_boot_data; //means clear boot data ptr
unsigned char plug;
#define J_ADDR_DIRECT 1
#define J_ADDR_HEADER 2
#define J_HEADER 3
#define J_HEADER2 4
unsigned char jump_mode;
unsigned load_addr;
unsigned jump_addr;
unsigned load_size;
unsigned load_skip;
};
struct sdp_dev;
struct protocol_ops {
int (*fill_read_reg)(unsigned char *buf, unsigned addr, unsigned cnt);
int (*fill_write_reg)(unsigned char *buf, unsigned addr, unsigned cnt);
int (*fill_status)(unsigned char *buf);
int (*fill_dl_dcd)(unsigned char *buf, unsigned dcd_addr, int length);
int (*fill_write_file)(unsigned char *buf, unsigned dladdr, unsigned fsize, unsigned char type);
int (*fill_jump)(unsigned char *buf, unsigned header_addr);
int (*get_cmd_addr_cnt)(unsigned char *buf, uint16_t *cmd, uint32_t *addr, uint32_t *cnt);
/*
* dev - SDP devce (this structure)
* report - HID Report
* p - pointer to buffer
* size - size of buffer (used for send and USB receive length)
* expected - the expected amount of data (used for UART receive)
* last_trans - the actually transfered bytes
*/
int (*transfer)(struct sdp_dev *dev, int report, unsigned char *p, unsigned int size,
unsigned int expected, int* last_trans);
};
struct sdp_dev {
char name[64];
unsigned short max_transfer;
#define MODE_HID 0
#define MODE_BULK 1
#define MODE_SDPS 2
unsigned char mode;
#define HDR_NONE 0
#define HDR_MX51 1
#define HDR_MX53 2
#define HDR_UBOOT 3
unsigned char header_type;
unsigned dcd_addr;
struct ram_area ram[8];
struct sdp_work *work;
struct protocol_ops *ops;
void *priv;
unsigned char use_ep1;
unsigned char no_hid_cmd;
};
#define HAB_SECMODE_PROD 0x12343412
#define HAB_SECMODE_DEV 0x56787856
/*
* Section 8.7.2 of the i.MX6DQ/UL/SoloX RM:
* The maximum size of the DCD limited to 1768 bytes.
*/
#define HAB_MAX_DCD_SIZE 1768
#define MAX_PROTOCOL_SIZE 32
#define CMD_INVAL 0x00
#define CMD_READ_REG 0x0101
#define CMD_WRITE_REG 0x0202
#define CMD_WRITE_FILE 0x0404
#define CMD_ERROR_STATUS 0x0505
#define CMD_WRITE_DCD 0x0a0a
#define CMD_JUMP_ADDRESS 0x0b0b
void dump_long(unsigned char *src, unsigned cnt, unsigned addr, unsigned skip);
void dump_bytes(unsigned char *src, unsigned cnt, unsigned addr);
int do_work(struct sdp_dev *p_id, struct sdp_work **work, int verify);
#endif /* __IMX_SDP_H__ */
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