mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-30 08:03:32 +08:00
295 lines
8.1 KiB
C
295 lines
8.1 KiB
C
/*
|
|
* Copyright 2008, Freescale Semiconductor, Inc
|
|
* Andy Fleming
|
|
*
|
|
* Based (loosely) on the Linux code
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef _MMC_H_
|
|
#define _MMC_H_
|
|
|
|
#include <linux/list.h>
|
|
|
|
#define SD_VERSION_SD 0x20000
|
|
#define SD_VERSION_2 (SD_VERSION_SD | 0x20)
|
|
#define SD_VERSION_1_0 (SD_VERSION_SD | 0x10)
|
|
#define SD_VERSION_1_10 (SD_VERSION_SD | 0x1a)
|
|
#define MMC_VERSION_MMC 0x10000
|
|
#define MMC_VERSION_UNKNOWN (MMC_VERSION_MMC)
|
|
#define MMC_VERSION_1_2 (MMC_VERSION_MMC | 0x12)
|
|
#define MMC_VERSION_1_4 (MMC_VERSION_MMC | 0x14)
|
|
#define MMC_VERSION_2_2 (MMC_VERSION_MMC | 0x22)
|
|
#define MMC_VERSION_3 (MMC_VERSION_MMC | 0x30)
|
|
#define MMC_VERSION_4 (MMC_VERSION_MMC | 0x40)
|
|
|
|
#define MMC_MODE_HS 0x001
|
|
#define MMC_MODE_HS_52MHz 0x010
|
|
#define MMC_MODE_4BIT 0x100
|
|
#define MMC_MODE_8BIT 0x200
|
|
|
|
#define SD_DATA_4BIT 0x00040000
|
|
|
|
#define IS_SD(x) (x->version & SD_VERSION_SD)
|
|
|
|
#define MMC_DATA_READ 1
|
|
#define MMC_DATA_WRITE 2
|
|
|
|
#define NO_CARD_ERR -16 /* No SD/MMC card inserted */
|
|
#define UNUSABLE_ERR -17 /* Unusable Card */
|
|
#define COMM_ERR -18 /* Communications Error */
|
|
#define TIMEOUT -19
|
|
|
|
#define MMC_CMD_GO_IDLE_STATE 0
|
|
#define MMC_CMD_SEND_OP_COND 1
|
|
#define MMC_CMD_ALL_SEND_CID 2
|
|
#define MMC_CMD_SET_RELATIVE_ADDR 3
|
|
#define MMC_CMD_SET_DSR 4
|
|
#define MMC_CMD_SWITCH 6
|
|
#define MMC_CMD_SELECT_CARD 7
|
|
#define MMC_CMD_SEND_EXT_CSD 8
|
|
#define MMC_CMD_SEND_CSD 9
|
|
#define MMC_CMD_SEND_CID 10
|
|
#define MMC_CMD_STOP_TRANSMISSION 12
|
|
#define MMC_CMD_SEND_STATUS 13
|
|
#define MMC_CMD_SET_BLOCKLEN 16
|
|
#define MMC_CMD_READ_SINGLE_BLOCK 17
|
|
#define MMC_CMD_READ_MULTIPLE_BLOCK 18
|
|
#define MMC_CMD_WRITE_SINGLE_BLOCK 24
|
|
#define MMC_CMD_WRITE_MULTIPLE_BLOCK 25
|
|
#define MMC_CMD_APP_CMD 55
|
|
|
|
#define SD_CMD_SEND_RELATIVE_ADDR 3
|
|
#define SD_CMD_SWITCH_FUNC 6
|
|
#define SD_CMD_SEND_IF_COND 8
|
|
|
|
#define SD_CMD_APP_SET_BUS_WIDTH 6
|
|
#define SD_CMD_APP_SEND_OP_COND 41
|
|
#define SD_CMD_APP_SEND_SCR 51
|
|
|
|
/* SCR definitions in different words */
|
|
#define SD_HIGHSPEED_BUSY 0x00020000
|
|
#define SD_HIGHSPEED_SUPPORTED 0x00020000
|
|
|
|
#define MMC_HS_TIMING 0x00000100
|
|
#define MMC_HS_52MHZ 0x2
|
|
|
|
#define OCR_BUSY 0x80000000
|
|
#define OCR_HCS 0x40000000
|
|
|
|
#define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */
|
|
#define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */
|
|
#define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */
|
|
#define MMC_VDD_22_23 0x00000400 /* VDD voltage 2.2 ~ 2.3 */
|
|
#define MMC_VDD_23_24 0x00000800 /* VDD voltage 2.3 ~ 2.4 */
|
|
#define MMC_VDD_24_25 0x00001000 /* VDD voltage 2.4 ~ 2.5 */
|
|
#define MMC_VDD_25_26 0x00002000 /* VDD voltage 2.5 ~ 2.6 */
|
|
#define MMC_VDD_26_27 0x00004000 /* VDD voltage 2.6 ~ 2.7 */
|
|
#define MMC_VDD_27_28 0x00008000 /* VDD voltage 2.7 ~ 2.8 */
|
|
#define MMC_VDD_28_29 0x00010000 /* VDD voltage 2.8 ~ 2.9 */
|
|
#define MMC_VDD_29_30 0x00020000 /* VDD voltage 2.9 ~ 3.0 */
|
|
#define MMC_VDD_30_31 0x00040000 /* VDD voltage 3.0 ~ 3.1 */
|
|
#define MMC_VDD_31_32 0x00080000 /* VDD voltage 3.1 ~ 3.2 */
|
|
#define MMC_VDD_32_33 0x00100000 /* VDD voltage 3.2 ~ 3.3 */
|
|
#define MMC_VDD_33_34 0x00200000 /* VDD voltage 3.3 ~ 3.4 */
|
|
#define MMC_VDD_34_35 0x00400000 /* VDD voltage 3.4 ~ 3.5 */
|
|
#define MMC_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */
|
|
|
|
#define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */
|
|
#define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits in EXT_CSD byte
|
|
addressed by index which are
|
|
1 in value field */
|
|
#define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits in EXT_CSD byte
|
|
addressed by index, which are
|
|
1 in value field */
|
|
#define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target byte to value */
|
|
|
|
#define SD_SWITCH_CHECK 0
|
|
#define SD_SWITCH_SWITCH 1
|
|
|
|
/*
|
|
* EXT_CSD fields
|
|
*/
|
|
|
|
#define EXT_CSD_BUS_WIDTH 183 /* R/W */
|
|
#define EXT_CSD_HS_TIMING 185 /* R/W */
|
|
#define EXT_CSD_CARD_TYPE 196 /* RO */
|
|
#define EXT_CSD_REV 192 /* RO */
|
|
#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
|
|
|
|
/*
|
|
* EXT_CSD field definitions
|
|
*/
|
|
|
|
#define EXT_CSD_CMD_SET_NORMAL (1<<0)
|
|
#define EXT_CSD_CMD_SET_SECURE (1<<1)
|
|
#define EXT_CSD_CMD_SET_CPSECURE (1<<2)
|
|
|
|
#define EXT_CSD_CARD_TYPE_26 (1<<0) /* Card can run at 26MHz */
|
|
#define EXT_CSD_CARD_TYPE_52 (1<<1) /* Card can run at 52MHz */
|
|
|
|
#define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */
|
|
#define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */
|
|
#define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */
|
|
|
|
#define R1_ILLEGAL_COMMAND (1 << 22)
|
|
#define R1_APP_CMD (1 << 5)
|
|
|
|
#define MMC_RSP_PRESENT (1 << 0)
|
|
#define MMC_RSP_136 (1 << 1) /* 136 bit response */
|
|
#define MMC_RSP_CRC (1 << 2) /* expect valid crc */
|
|
#define MMC_RSP_BUSY (1 << 3) /* card may send busy */
|
|
#define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */
|
|
|
|
#define MMC_RSP_NONE (0)
|
|
#define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
|
|
#define MMC_RSP_R1b (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE| \
|
|
MMC_RSP_BUSY)
|
|
#define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC)
|
|
#define MMC_RSP_R3 (MMC_RSP_PRESENT)
|
|
#define MMC_RSP_R4 (MMC_RSP_PRESENT)
|
|
#define MMC_RSP_R5 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
|
|
#define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
|
|
#define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
|
|
|
|
|
|
struct mmc_cid {
|
|
unsigned long psn;
|
|
unsigned short oid;
|
|
unsigned char mid;
|
|
unsigned char prv;
|
|
unsigned char mdt;
|
|
char pnm[7];
|
|
};
|
|
|
|
/*
|
|
* WARNING!
|
|
*
|
|
* This structure is used by atmel_mci.c only.
|
|
* It works for the AVR32 architecture but NOT
|
|
* for ARM/AT91 architectures.
|
|
* Its use is highly depreciated.
|
|
* After the atmel_mci.c driver for AVR32 has
|
|
* been replaced this structure will be removed.
|
|
*/
|
|
struct mmc_csd
|
|
{
|
|
u8 csd_structure:2,
|
|
spec_vers:4,
|
|
rsvd1:2;
|
|
u8 taac;
|
|
u8 nsac;
|
|
u8 tran_speed;
|
|
u16 ccc:12,
|
|
read_bl_len:4;
|
|
u64 read_bl_partial:1,
|
|
write_blk_misalign:1,
|
|
read_blk_misalign:1,
|
|
dsr_imp:1,
|
|
rsvd2:2,
|
|
c_size:12,
|
|
vdd_r_curr_min:3,
|
|
vdd_r_curr_max:3,
|
|
vdd_w_curr_min:3,
|
|
vdd_w_curr_max:3,
|
|
c_size_mult:3,
|
|
sector_size:5,
|
|
erase_grp_size:5,
|
|
wp_grp_size:5,
|
|
wp_grp_enable:1,
|
|
default_ecc:2,
|
|
r2w_factor:3,
|
|
write_bl_len:4,
|
|
write_bl_partial:1,
|
|
rsvd3:5;
|
|
u8 file_format_grp:1,
|
|
copy:1,
|
|
perm_write_protect:1,
|
|
tmp_write_protect:1,
|
|
file_format:2,
|
|
ecc:2;
|
|
u8 crc:7;
|
|
u8 one:1;
|
|
};
|
|
|
|
struct mmc_cmd {
|
|
ushort cmdidx;
|
|
uint resp_type;
|
|
uint cmdarg;
|
|
uint response[4];
|
|
uint flags;
|
|
};
|
|
|
|
struct mmc_data {
|
|
union {
|
|
char *dest;
|
|
const char *src; /* src buffers don't get written to */
|
|
};
|
|
uint flags;
|
|
uint blocks;
|
|
uint blocksize;
|
|
};
|
|
|
|
struct mmc {
|
|
struct list_head link;
|
|
char name[32];
|
|
void *priv;
|
|
uint voltages;
|
|
uint version;
|
|
uint f_min;
|
|
uint f_max;
|
|
int high_capacity;
|
|
uint bus_width;
|
|
uint clock;
|
|
uint card_caps;
|
|
uint host_caps;
|
|
uint ocr;
|
|
uint scr[2];
|
|
uint csd[4];
|
|
uint cid[4];
|
|
ushort rca;
|
|
uint tran_speed;
|
|
uint read_bl_len;
|
|
uint write_bl_len;
|
|
u64 capacity;
|
|
block_dev_desc_t block_dev;
|
|
int (*send_cmd)(struct mmc *mmc,
|
|
struct mmc_cmd *cmd, struct mmc_data *data);
|
|
void (*set_ios)(struct mmc *mmc);
|
|
int (*init)(struct mmc *mmc);
|
|
};
|
|
|
|
int mmc_register(struct mmc *mmc);
|
|
int mmc_initialize(bd_t *bis);
|
|
int mmc_init(struct mmc *mmc);
|
|
int mmc_read(struct mmc *mmc, u64 src, uchar *dst, int size);
|
|
struct mmc *find_mmc_device(int dev_num);
|
|
int mmc_set_dev(int dev_num);
|
|
void print_mmc_devices(char separator);
|
|
int board_mmc_getcd(u8 *cd, struct mmc *mmc);
|
|
|
|
#ifdef CONFIG_GENERIC_MMC
|
|
int atmel_mci_init(void *regs);
|
|
#else
|
|
int mmc_legacy_init(int verbose);
|
|
#endif
|
|
|
|
#endif /* _MMC_H_ */
|