diff options
Diffstat (limited to 'include/mmc.h')
| -rw-r--r-- | include/mmc.h | 53 |
1 files changed, 31 insertions, 22 deletions
diff --git a/include/mmc.h b/include/mmc.h index fcd0fd1de..f7f228698 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -14,7 +14,7 @@ * * 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 + * 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 @@ -44,6 +44,7 @@ #define MMC_MODE_HS_52MHz 0x010 #define MMC_MODE_4BIT 0x100 #define MMC_MODE_8BIT 0x200 +#define MMC_MODE_SPI 0x400 #define SD_DATA_4BIT 0x00040000 @@ -75,6 +76,8 @@ #define MMC_CMD_WRITE_SINGLE_BLOCK 24 #define MMC_CMD_WRITE_MULTIPLE_BLOCK 25 #define MMC_CMD_APP_CMD 55 +#define MMC_CMD_SPI_READ_OCR 58 +#define MMC_CMD_SPI_CRC_ON_OFF 59 #define SD_CMD_SEND_RELATIVE_ADDR 3 #define SD_CMD_SWITCH_FUNC 6 @@ -91,8 +94,14 @@ #define MMC_HS_TIMING 0x00000100 #define MMC_HS_52MHZ 0x2 -#define OCR_BUSY 0x80000000 -#define OCR_HCS 0x40000000 +#define OCR_BUSY 0x80000000 +#define OCR_HCS 0x40000000 +#define OCR_VOLTAGE_MASK 0x007FFF80 +#define OCR_ACCESS_MODE 0x60000000 + +#define MMC_STATUS_MASK (~0x0206BF7F) +#define MMC_STATUS_RDY_FOR_DATA (1 << 8) +#define MMC_STATUS_CURR_STATE (0xf << 9) #define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */ #define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */ @@ -138,12 +147,12 @@ * 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_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_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 */ @@ -153,21 +162,21 @@ #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_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_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) +#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 { @@ -274,9 +283,7 @@ struct mmc { struct mmc_cmd *cmd, struct mmc_data *data); void (*set_ios)(struct mmc *mmc); int (*init)(struct mmc *mmc); -#ifdef CONFIG_MMC_MBLOCK uint b_max; -#endif }; int mmc_register(struct mmc *mmc); @@ -291,6 +298,8 @@ int board_mmc_getcd(u8 *cd, struct mmc *mmc); #ifdef CONFIG_GENERIC_MMC int atmel_mci_init(void *regs); +#define mmc_host_is_spi(mmc) ((mmc)->host_caps & MMC_MODE_SPI) +struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode); #else int mmc_legacy_init(int verbose); #endif |