sdk-core v2026.11.05
PS2 SDK - core tier (build-critical EE/IOP modules)
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spi_sdcard_driver.h
Go to the documentation of this file.
1
5#ifndef SPI_SDCARD_DRIVER_H
6#define SPI_SDCARD_DRIVER_H
7
8#include <bdm.h>
9#include <stdint.h>
10
11#define READ_TOKEN_TIMEOUT 4000
12#define SECTOR_SIZE 512
13
14#define CMD_ABORT_NO_READ_TOKEN 0x1
15#define CMD_ABORT_CRC16_INVALID 0x2
16#define CMD_ABORT_WRITE_ERROR 0x3
17#define CMD_ABORT_UKNOWN_ERROR 0x7
18
19typedef enum card_type_e {
20 CARD_TYPE_MMC = 0x00,
21 CARD_TYPE_SDV1 = 0x01,
22 CARD_TYPE_SDV2 = 0x02,
23 CARD_TYPE_SDV2HC = 0x04
24} card_type_t;
25
26typedef enum spisd_result_s {
27 SPISD_RESULT_OK = 0,
28 SPISD_RESULT_ERROR,
29 SPISD_RESULT_NO_CARD,
30 SPISD_RESULT_TIMEOUT,
31} spisd_result_t;
32
33/*
34 * START: structures copied from wisi's implementation
35 */
36struct t_csdVer1
37{
38 u8 reserved1 : 6;
39 u8 csd_structure : 2;
40 u8 taac : 8;
41 u8 nsac : 8;
42 u8 tran_speed : 8;
43
44 u16 cccHi : 8;
45 u16 read_bl_len : 4;
46 u16 cccLo : 4;
47
48 u32 c_sizeHi : 2;
49 u8 read_bl_partial : 1;
50 u8 write_blk_misalign : 1;
51 u8 read_blk_misalign : 1;
52 u8 dsr_imp : 1;
53 u8 reserved2 : 2;
54
55 u32 c_sizeMd : 8;
56
57 u32 c_sizeLo : 2;
58 u8 vdd_r_curr_max : 3;
59 u8 vdd_r_curr_min : 3;
60
61 u8 c_size_multHi : 2;
62 u8 vdd_w_curr_max : 3;
63 u8 vdd_w_curr_min : 3;
64
65 u8 c_size_multLo : 1;
66 // XXX: The folowing are not fixed to correct endianness!
67 u8 erase_blk_en : 1;
68 u8 sector_size_high : 6;
69 u8 sector_size_low : 1;
70 u8 wp_grp_size : 7;
71 u8 ep_grp_enable : 1;
72 u8 reserved5 : 2;
73 u8 r2w_factor : 3;
74 u8 write_bl_len_high : 2;
75 u8 write_bl_len_low : 2;
76 u8 write_bl_partial : 1;
77 u8 reserved6 : 5;
78 u8 file_format_group : 1;
79 u8 copy : 1;
80 u8 perm_write_protect : 1;
81 u8 tmp_write_protect : 1;
82 u8 file_format : 2;
83 u8 reserved7 : 2;
84 u8 crc : 7;
85 u8 fixedTo1 : 1;
86} __attribute__((packed));
87
88struct t_csdVer2
89{
90 u8 reserved1 : 6;
91 u8 csd_structure : 2;
92 u8 taac : 8;
93 u8 nsac : 8;
94 u8 tran_speed : 8;
95
96 u16 cccHi : 8;
97 u16 read_bl_len : 4;
98 u16 cccLo : 4;
99
100 // Not fixed!:
101 u8 read_bl_partial : 1;
102 u8 write_blk_misalign : 1;
103 u8 read_blk_misalign : 1;
104 u8 dsr_imp : 1;
105 u8 reserved2 : 4;
106
107 // fixed:
108 u32 c_sizeHi : 6;
109 u8 reserved3 : 2; // I give up - this is far too unaligned...
110 // 79:58
111 u32 c_sizeMd : 8;
112 u32 c_sizeLo : 8; // 16 22;
113
114 // Not fixed!:
115 u32 reserved4 : 1;
116 u8 erase_blk_en : 1;
117 u8 sector_size_high : 6;
118 u8 sector_size_low : 1;
119 u8 wp_grp_size : 7;
120 u8 ep_grp_enable : 1;
121 u8 reserved5 : 2;
122 u8 r2w_factor : 3;
123 u8 write_bl_len_high : 2;
124 u8 write_bl_len_low : 2;
125 u8 write_bl_partial : 1;
126 u8 reserved6 : 5;
127 u8 file_format_group : 1;
128 u8 copy : 1;
129 u8 perm_write_protect : 1;
130 u8 tmp_write_protect : 1;
131 u8 file_format : 2;
132 u8 reserved7 : 2;
133 u8 crc : 7;
134 u8 fixedTo1 : 1;
135} __attribute__((packed));
136/*
137 * END: structures copied from wisi's implementation
138 */
139
140typedef struct spisd_cid_t
141{ /* Card Identification Data */
142 uint8_t ManufacturerID; /* ManufacturerID */
143 uint16_t OEM_AppliID; /* OEM/Application ID */
144 uint32_t ProdName1; /* Product Name part1 */
145 uint8_t ProdName2; /* Product Name part2*/
146 uint8_t ProdRev; /* Product Revision */
147 uint32_t ProdSN; /* Product Serial Number */
148 uint8_t Reserved1; /* Reserved1 */
149 uint16_t ManufactDate; /* Manufacturing Date */
150 uint8_t CID_CRC; /* CID CRC */
151}spisd_cid_t;
152
153/* global struct for everything sdcard */
154typedef struct spisd_t
155{
156 uint8_t csd[16];
157 spisd_cid_t cid;
158 card_type_t card_type;
159 uint8_t initialized;
160 uint8_t used;
161}spisd_t;
162
163/* globals */
164extern spisd_t sdcard;
165extern struct block_device bd;
166
167extern uint16_t spisd_read_status_register();
168
169/* init */
170extern int spisd_init_card(); /* bring card up from identification mode to data-transfer mode */
171extern int spisd_get_card_info(); /* get card info and reattach to bdm if card capacity changed */
172extern int spisd_recover();
173
174/* BDM functions */
175extern int spisd_read(struct block_device *bd, uint64_t sector, void *buffer, uint16_t count);
176extern int spisd_write(struct block_device *bd, uint64_t sector, const void *buffer, uint16_t count);
177extern void spisd_flush(struct block_device *bd);
178extern int spisd_stop(struct block_device *bd);
179
180
181#endif
__attribute__
Definition gif_registers.h:40
block_device
Definition bdm.h:23
spisd_cid_t
Definition spi_sdcard_driver.h:141
spisd_t
Definition spi_sdcard_driver.h:155
t_csdVer1
Definition spi_sdcard_driver.h:37
t_csdVer2
Definition spi_sdcard_driver.h:89
count
u32 count
start sector of fragmented bd/file
Definition usbhdfsd-common.h:1