diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/dwmmc.h | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/include/dwmmc.h b/include/dwmmc.h index 7e4acf096dc..de18fda68ac 100644 --- a/include/dwmmc.h +++ b/include/dwmmc.h @@ -44,12 +44,22 @@ #define DWMCI_UHS_REG 0x074 #define DWMCI_BMOD 0x080 #define DWMCI_PLDMND 0x084 +#define DWMCI_DATA 0x200 +/* Registers to support IDMAC 32-bit address mode */ #define DWMCI_DBADDR 0x088 #define DWMCI_IDSTS 0x08C #define DWMCI_IDINTEN 0x090 #define DWMCI_DSCADDR 0x094 #define DWMCI_BUFADDR 0x098 -#define DWMCI_DATA 0x200 +/* Registers to support IDMAC 64-bit address mode */ +#define DWMCI_DBADDRL 0x088 +#define DWMCI_DBADDRU 0x08c +#define DWMCI_IDSTS64 0x090 +#define DWMCI_IDINTEN64 0x094 +#define DWMCI_DSCADDRL 0x098 +#define DWMCI_DSCADDRU 0x09c +#define DWMCI_BUFADDRL 0x0a0 +#define DWMCI_BUFADDRU 0x0a4 /* Interrupt Mask register */ #define DWMCI_INTMSK_ALL 0xffffffff @@ -143,6 +153,29 @@ #define DWMCI_QUIRK_DISABLE_SMU (1 << 0) /** + * struct dwmci_idmac_regs - Offsets of IDMAC registers + * + * @dbaddrl: Descriptor base address, lower 32 bits + * @dbaddru: Descriptor base address, upper 32 bits + * @idsts: Internal DMA status + * @idinten: Internal DMA interrupt enable + * @dscaddrl: IDMAC descriptor address, lower 32 bits + * @dscaddru: IDMAC descriptor address, upper 32 bits + * @bufaddrl: Current data buffer address, lower 32 bits + * @bufaddru: Current data buffer address, upper 32 bits + */ +struct dwmci_idmac_regs { + u32 dbaddrl; + u32 dbaddru; + u32 idsts; + u32 idinten; + u32 dscaddrl; + u32 dscaddru; + u32 bufaddrl; + u32 bufaddru; +}; + +/** * struct dwmci_host - Information about a designware MMC host * * @name: Device name @@ -157,6 +190,8 @@ * @fifoth_val: Value for FIFOTH register (or 0 to leave unset) * @mmc: Pointer to generic MMC structure for this device * @priv: Private pointer for use by controller + * @dma_64bit_address: Whether DMA supports 64-bit address mode or not + * @regs: Registers that can vary for different DW MMC block versions */ struct dwmci_host { const char *name; @@ -196,6 +231,8 @@ struct dwmci_host { /* use fifo mode to read and write data */ bool fifo_mode; + bool dma_64bit_address; + const struct dwmci_idmac_regs *regs; }; static inline void dwmci_writel(struct dwmci_host *host, int reg, u32 val) |