diff options
Diffstat (limited to 'drivers/mmc/host/sdhci.h')
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 14c8b6773dbb..c2ec7fcd8a1f 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -227,6 +227,7 @@ /* 55-57 reserved */ #define SDHCI_ADMA_ADDRESS 0x58 +#define SDHCI_ADMA_ADDRESS_HI 0x5C /* 60-FB reserved */ @@ -279,6 +280,23 @@ struct sdhci_adma2_32_desc { __le32 addr; } __packed __aligned(SDHCI_ADMA2_32_ALIGN); +/* ADMA2 64-bit DMA descriptor size */ +#define SDHCI_ADMA2_64_DESC_SZ 12 + +/* ADMA2 64-bit DMA alignment */ +#define SDHCI_ADMA2_64_ALIGN 8 + +/* + * ADMA2 64-bit descriptor. Note 12-byte descriptor can't always be 8-byte + * aligned. + */ +struct sdhci_adma2_64_desc { + __le16 cmd; + __le16 len; + __le32 addr_lo; + __le32 addr_hi; +} __packed __aligned(4); + #define ADMA2_TRAN_VALID 0x21 #define ADMA2_NOP_END_VALID 0x3 #define ADMA2_END 0x2 |