C8051F32x firmware infrastructure
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| 1 | /* |
| 2 | * f32x/flash.h - Flash programming and reading |
| 3 | * |
| 4 | * Written 2008 by Werner Almesberger |
| 5 | * Copyright 2008 Werner Almesberger |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | */ |
| 12 | |
| 13 | |
| 14 | #ifndef FLASH_H |
| 15 | #define FLASH_H |
| 16 | |
| 17 | #include <sys/types.h> |
| 18 | |
| 19 | |
| 20 | #define FPCTL 0x02 |
| 21 | #define FPDAT 0xb4 |
| 22 | |
| 23 | #define FLASH_INIT_MAGIC1 0x02 |
| 24 | #define FLASH_INIT_MAGIC2 0x01 |
| 25 | |
| 26 | #define FLASH_ERASE_MAGIC1 0xde |
| 27 | #define FLASH_ERASE_MAGIC2 0xad |
| 28 | #define FLASH_ERASE_MAGIC3 0xa5 |
| 29 | |
| 30 | #define FLASH_DEVICE_ERASE 0x03 |
| 31 | #define FLASH_BLOCK_READ 0x06 |
| 32 | #define FLASH_BLOCK_WRITE 0x07 |
| 33 | #define FLASH_PAGE_ERASE 0x08 |
| 34 | #define REG_READ 0x09 |
| 35 | #define REG_WRITE 0x0a |
| 36 | |
| 37 | #define FLASH_STATUS_OK 0x0d |
| 38 | |
| 39 | #define InBusy (1 << 1) |
| 40 | #define OutReady (1 << 0) |
| 41 | |
| 42 | |
| 43 | void flash_device_erase(void); |
| 44 | void flash_block_write(uint16_t addr, const void *data, size_t size); |
| 45 | void flash_block_read(uint16_t addr, void *data, size_t size); |
| 46 | void flash_init(void); |
| 47 | |
| 48 | /* @@@ doesn't really seem to work */ |
| 49 | |
| 50 | uint8_t fp_reg_read(uint8_t addr); |
| 51 | void fp_reg_write(uint8_t addr, uint8_t value); |
| 52 | |
| 53 | #endif /* !FLASH_H */ |
| 54 |
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