xref: /openbmc/qemu/include/hw/block/flash.h (revision 09a274d8)
1 #ifndef HW_FLASH_H
2 #define HW_FLASH_H
3 
4 /* NOR flash devices */
5 
6 #include "exec/memory.h"
7 
8 #define TYPE_CFI_PFLASH01 "cfi.pflash01"
9 #define TYPE_CFI_PFLASH02 "cfi.pflash02"
10 
11 typedef struct pflash_t pflash_t;
12 
13 /* pflash_cfi01.c */
14 pflash_t *pflash_cfi01_register(hwaddr base,
15                                 DeviceState *qdev, const char *name,
16                                 hwaddr size,
17                                 BlockBackend *blk,
18                                 uint32_t sector_len, int nb_blocs, int width,
19                                 uint16_t id0, uint16_t id1,
20                                 uint16_t id2, uint16_t id3, int be);
21 
22 /* pflash_cfi02.c */
23 pflash_t *pflash_cfi02_register(hwaddr base,
24                                 DeviceState *qdev, const char *name,
25                                 hwaddr size,
26                                 BlockBackend *blk, uint32_t sector_len,
27                                 int nb_blocs, int nb_mappings, int width,
28                                 uint16_t id0, uint16_t id1,
29                                 uint16_t id2, uint16_t id3,
30                                 uint16_t unlock_addr0, uint16_t unlock_addr1,
31                                 int be);
32 
33 MemoryRegion *pflash_cfi01_get_memory(pflash_t *fl);
34 
35 /* nand.c */
36 DeviceState *nand_init(BlockBackend *blk, int manf_id, int chip_id);
37 void nand_setpins(DeviceState *dev, uint8_t cle, uint8_t ale,
38                   uint8_t ce, uint8_t wp, uint8_t gnd);
39 void nand_getpins(DeviceState *dev, int *rb);
40 void nand_setio(DeviceState *dev, uint32_t value);
41 uint32_t nand_getio(DeviceState *dev);
42 uint32_t nand_getbuswidth(DeviceState *dev);
43 
44 #define NAND_MFR_TOSHIBA	0x98
45 #define NAND_MFR_SAMSUNG	0xec
46 #define NAND_MFR_FUJITSU	0x04
47 #define NAND_MFR_NATIONAL	0x8f
48 #define NAND_MFR_RENESAS	0x07
49 #define NAND_MFR_STMICRO	0x20
50 #define NAND_MFR_HYNIX		0xad
51 #define NAND_MFR_MICRON		0x2c
52 
53 /* onenand.c */
54 void *onenand_raw_otp(DeviceState *onenand_device);
55 
56 /* ecc.c */
57 typedef struct {
58     uint8_t cp;		/* Column parity */
59     uint16_t lp[2];	/* Line parity */
60     uint16_t count;
61 } ECCState;
62 
63 uint8_t ecc_digest(ECCState *s, uint8_t sample);
64 void ecc_reset(ECCState *s);
65 extern VMStateDescription vmstate_ecc_state;
66 
67 #endif
68