diff options
Diffstat (limited to 'drivers/mmc/host/mmci.h')
| -rw-r--r-- | drivers/mmc/host/mmci.h | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index ec9a7bc6d0d..bb32e21c09d 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -11,23 +11,33 @@ #define MCI_PWR_OFF 0x00 #define MCI_PWR_UP 0x02 #define MCI_PWR_ON 0x03 -#define MCI_DATA2DIREN (1 << 2) -#define MCI_CMDDIREN (1 << 3) -#define MCI_DATA0DIREN (1 << 4) -#define MCI_DATA31DIREN (1 << 5) #define MCI_OD (1 << 6) #define MCI_ROD (1 << 7) -/* The ST Micro version does not have ROD */ -#define MCI_FBCLKEN (1 << 7) -#define MCI_DATA74DIREN (1 << 8) +/* + * The ST Micro version does not have ROD and reuse the voltage registers + * for direction settings + */ +#define MCI_ST_DATA2DIREN (1 << 2) +#define MCI_ST_CMDDIREN (1 << 3) +#define MCI_ST_DATA0DIREN (1 << 4) +#define MCI_ST_DATA31DIREN (1 << 5) +#define MCI_ST_FBCLKEN (1 << 7) +#define MCI_ST_DATA74DIREN (1 << 8) #define MMCICLOCK 0x004 #define MCI_CLK_ENABLE (1 << 8) #define MCI_CLK_PWRSAVE (1 << 9) #define MCI_CLK_BYPASS (1 << 10) #define MCI_4BIT_BUS (1 << 11) -/* 8bit wide buses supported in ST Micro versions */ +/* + * 8bit wide buses, hardware flow contronl, negative edges and clock inversion + * supported in ST Micro U300 and Ux500 versions + */ #define MCI_ST_8BIT_BUS (1 << 12) +#define MCI_ST_U300_HWFCEN (1 << 13) +#define MCI_ST_UX500_NEG_EDGE (1 << 13) +#define MCI_ST_UX500_HWFCEN (1 << 14) +#define MCI_ST_UX500_CLK_INV (1 << 15) #define MMCIARGUMENT 0x008 #define MMCICOMMAND 0x00c @@ -88,8 +98,9 @@ #define MCI_RXFIFOEMPTY (1 << 19) #define MCI_TXDATAAVLBL (1 << 20) #define MCI_RXDATAAVLBL (1 << 21) -#define MCI_SDIOIT (1 << 22) -#define MCI_CEATAEND (1 << 23) +/* Extended status bits for the ST Micro variants */ +#define MCI_ST_SDIOIT (1 << 22) +#define MCI_ST_CEATAEND (1 << 23) #define MMCICLEAR 0x038 #define MCI_CMDCRCFAILCLR (1 << 0) @@ -102,8 +113,9 @@ #define MCI_CMDSENTCLR (1 << 7) #define MCI_DATAENDCLR (1 << 8) #define MCI_DATABLOCKENDCLR (1 << 10) -#define MCI_SDIOITC (1 << 22) -#define MCI_CEATAENDC (1 << 23) +/* Extended status bits for the ST Micro variants */ +#define MCI_ST_SDIOITC (1 << 22) +#define MCI_ST_CEATAENDC (1 << 23) #define MMCIMASK0 0x03c #define MCI_CMDCRCFAILMASK (1 << 0) @@ -127,8 +139,9 @@ #define MCI_RXFIFOEMPTYMASK (1 << 19) #define MCI_TXDATAAVLBLMASK (1 << 20) #define MCI_RXDATAAVLBLMASK (1 << 21) -#define MCI_SDIOITMASK (1 << 22) -#define MCI_CEATAENDMASK (1 << 23) +/* Extended status bits for the ST Micro variants */ +#define MCI_ST_SDIOITMASK (1 << 22) +#define MCI_ST_CEATAENDMASK (1 << 23) #define MMCIMASK1 0x040 #define MMCIFIFOCNT 0x048 |