83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/*
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* Copyright (C) 2016 Google, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _NANOHUB_BL_H
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#define _NANOHUB_BL_H
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#include <linux/i2c.h>
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#include <linux/spi/spi.h>
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#include "nanohub.h"
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struct nanohub_data;
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struct nanohub_bl {
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u8 cmd_erase;
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u8 cmd_read_memory;
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u8 cmd_write_memory;
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int (*open)(const void *data);
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void (*close)(const void *data);
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u8 (*sync)(const void *data);
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u8 (*write_data)(const void *data, u8 *buf, int size);
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u8 (*write_cmd)(const void *data, u8 cmd_memory);
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u8 (*read_data)(const void *data, u8 *buf, int size);
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u8 (*read_ack)(const void *data);
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u8 *tx_buffer;
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u8 *rx_buffer;
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};
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int nanohub_bl_open(struct nanohub_data *data);
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u8 nanohub_bl_sync(struct nanohub_data *data);
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void nanohub_bl_close(struct nanohub_data *data);
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u8 nanohub_bl_download(struct nanohub_data *data,
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u32 addr, const u8 *image, size_t length);
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u8 nanohub_bl_erase_shared(struct nanohub_data *data);
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u8 nanohub_bl_erase_sector(struct nanohub_data *data, uint16_t sector);
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u8 nanohub_bl_read_memory(struct nanohub_data *data, u32 addr,
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u32 length, u8 *buffer);
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u8 nanohub_bl_write_memory(struct nanohub_data *data, u32 addr,
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u32 length, const u8 *buffer);
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/*
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* Bootloader commands
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* _NS versions are no-stretch. (Only valid on I2C)
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* will return CMD_BUSY instead of stretching the clock
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*/
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#define CMD_GET 0x00
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#define CMD_GET_VERSION 0x01
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#define CMD_GET_ID 0x02
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#define CMD_READ_MEMORY 0x11
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#define CMD_NACK 0x1F
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#define CMD_GO 0x21
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#define CMD_WRITE_MEMORY 0x31
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#define CMD_WRITE_MEMORY_NS 0x32
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#define CMD_ERASE 0x44
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#define CMD_ERASE_NS 0x45
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#define CMD_SOF 0x5A
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#define CMD_WRITE_PROTECT 0x63
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#define CMD_WRITE_PROTECT_NS 0x64
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#define CMD_WRITE_UNPROTECT 0x73
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#define CMD_WRITE_UNPROTECT_NS 0x74
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#define CMD_BUSY 0x76
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#define CMD_ACK 0x79
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#define CMD_READOUT_PROTECT 0x82
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#define CMD_READOUT_PROTECT_NS 0x83
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#define CMD_READOUT_UNPROTECT 0x92
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#define CMD_READOUT_UNPROTECT_NS 0x93
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#define CMD_SOF_ACK 0xA5
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#endif
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