diff options
Diffstat (limited to 'drivers/staging/csr/sdioemb/slot_imx27.h')
| -rw-r--r-- | drivers/staging/csr/sdioemb/slot_imx27.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/staging/csr/sdioemb/slot_imx27.h b/drivers/staging/csr/sdioemb/slot_imx27.h new file mode 100644 index 000000000000..3aa2235d87c1 --- /dev/null +++ b/drivers/staging/csr/sdioemb/slot_imx27.h @@ -0,0 +1,86 @@ +/* + * i.MX27 SDHC definitions. + * + * Copyright (C) 2007 Cambridge Silicon Radio Ltd. + * + * Refer to LICENSE.txt included with this source code for details on + * the license terms. + */ +#ifndef _SLOT_IMX27_H +#define _SLOT_IMX27_H + +/* + * i.MX27 SDHC registers. + */ + +#define SDHC_STR_STP_CLK 0x00 +# define STR_STP_CLK_MMCSD_RESET 0x0008 +# define STR_STP_CLK_START_CLK 0x0002 +# define STR_STP_CLK_STOP_CLK 0x0001 + +#define SDHC_STATUS 0x04 +# define STATUS_CARD_PRESENCE 0x8000 +# define STATUS_SDIO_INT_ACTIVE 0x4000 +# define STATUS_END_CMD_RESP 0x2000 +# define STATUS_WRITE_OP_DONE 0x1000 +# define STATUS_READ_OP_DONE 0x0800 +# define STATUS_CARD_BUS_CLK_RUN 0x0100 +# define STATUS_APPL_BUFF_FF 0x0080 +# define STATUS_APPL_BUFF_FE 0x0040 +# define STATUS_RESP_CRC_ERR 0x0020 +# define STATUS_CRC_READ_ERR 0x0008 +# define STATUS_CRC_WRITE_ERR 0x0004 +# define STATUS_TIME_OUT_RESP 0x0002 +# define STATUS_TIME_OUT_READ 0x0001 +# define STATUS_ERR_CMD_MASK (STATUS_RESP_CRC_ERR | STATUS_TIME_OUT_RESP) +# define STATUS_ERR_DATA_MASK (STATUS_CRC_READ_ERR | STATUS_CRC_WRITE_ERR | STATUS_TIME_OUT_READ) +# define STATUS_ERR_MASK (STATUS_ERR_CMD_MASK | STATUS_ERR_DATA_MASK) + +#define SDHC_CLK_RATE 0x08 + +#define SDHC_CMD_DAT_CTRL 0x0c /* CMD_DAT_CONT */ +# define CMD_DAT_CTRL_CMD_RESUME 0x8000 +# define CMD_DAT_CTRL_CMD_RESP_LONG_OFF 0x1000 +# define CMD_DAT_CTRL_STOP_READ_WAIT 0x0800 +# define CMD_DAT_CTRL_START_READ_WAIT 0x0400 +# define CMD_DAT_CTRL_BUS_WIDTH_4 0x0200 +# define CMD_DAT_CTRL_INIT 0x0080 +# define CMD_DAT_CTRL_WRITE 0x0010 +# define CMD_DAT_CTRL_DATA_ENABLE 0x0008 +# define CMD_DAT_CTRL_RESP_NONE 0x0000 +# define CMD_DAT_CTRL_RESP_R1_R5_R6 0x0001 +# define CMD_DAT_CTRL_RESP_R2 0x0002 +# define CMD_DAT_CTRL_RESP_R3_R4 0x0003 + +#define SDHC_RES_TO 0x10 + +#define SDHC_READ_TO 0x14 +# define READ_TO_RECOMMENDED 0x2db4 + +#define SDHC_BLK_LEN 0x18 + +#define SDHC_NOB 0x1c + +#define SDHC_REV_NO 0x20 + +#define SDHC_INT_CTRL 0x24 /* INT_CNTR */ +# define INT_CTRL_CARD_INSERTION_EN 0x8000 +# define INT_CTRL_SDIO_REMOVAL_EN 0x4000 +# define INT_CTRL_SDIO_IRQ_EN 0x2000 +# define INT_CTRL_DAT0_EN 0x1000 +# define INT_CTRL_BUF_READ_EN 0x0010 +# define INT_CTRL_BUF_WRITE_EN 0x0008 +# define INT_CTRL_END_CMD_RES 0x0004 +# define INT_CTRL_WRITE_OP_DONE 0x0002 +# define INT_CTRL_READ_OP_DONE 0x0001 +# define INT_CTRL_INT_EN_MASK 0xe01f + +#define SDHC_CMD 0x28 + +#define SDHC_ARG 0x2c + +#define SDHC_RES_FIFO 0x34 + +#define SDHC_BUFFER_ACCESS 0x38 + +#endif /* #ifndef _SLOT_IMX27_H */ |