xref: /openbmc/qemu/include/hw/block/flash.h (revision ddbb0d09)
1 #ifndef HW_FLASH_H
2 #define HW_FLASH_H 1
3 
4 /* NOR flash devices */
5 
6 #include "exec/memory.h"
7 
8 typedef struct pflash_t pflash_t;
9 
10 /* pflash_cfi01.c */
11 pflash_t *pflash_cfi01_register(hwaddr base,
12                                 DeviceState *qdev, const char *name,
13                                 hwaddr size,
14                                 BlockBackend *blk,
15                                 uint32_t sector_len, int nb_blocs, int width,
16                                 uint16_t id0, uint16_t id1,
17                                 uint16_t id2, uint16_t id3, int be);
18 
19 /* pflash_cfi02.c */
20 pflash_t *pflash_cfi02_register(hwaddr base,
21                                 DeviceState *qdev, const char *name,
22                                 hwaddr size,
23                                 BlockBackend *blk, uint32_t sector_len,
24                                 int nb_blocs, int nb_mappings, int width,
25                                 uint16_t id0, uint16_t id1,
26                                 uint16_t id2, uint16_t id3,
27                                 uint16_t unlock_addr0, uint16_t unlock_addr1,
28                                 int be);
29 
30 MemoryRegion *pflash_cfi01_get_memory(pflash_t *fl);
31 
32 /* nand.c */
33 DeviceState *nand_init(BlockBackend *blk, int manf_id, int chip_id);
34 void nand_setpins(DeviceState *dev, uint8_t cle, uint8_t ale,
35                   uint8_t ce, uint8_t wp, uint8_t gnd);
36 void nand_getpins(DeviceState *dev, int *rb);
37 void nand_setio(DeviceState *dev, uint32_t value);
38 uint32_t nand_getio(DeviceState *dev);
39 uint32_t nand_getbuswidth(DeviceState *dev);
40 
41 #define NAND_MFR_TOSHIBA	0x98
42 #define NAND_MFR_SAMSUNG	0xec
43 #define NAND_MFR_FUJITSU	0x04
44 #define NAND_MFR_NATIONAL	0x8f
45 #define NAND_MFR_RENESAS	0x07
46 #define NAND_MFR_STMICRO	0x20
47 #define NAND_MFR_HYNIX		0xad
48 #define NAND_MFR_MICRON		0x2c
49 
50 /* onenand.c */
51 void *onenand_raw_otp(DeviceState *onenand_device);
52 
53 /* ecc.c */
54 typedef struct {
55     uint8_t cp;		/* Column parity */
56     uint16_t lp[2];	/* Line parity */
57     uint16_t count;
58 } ECCState;
59 
60 uint8_t ecc_digest(ECCState *s, uint8_t sample);
61 void ecc_reset(ECCState *s);
62 extern VMStateDescription vmstate_ecc_state;
63 
64 #endif
65