| /* |
| * Blackfin Secure Digital Host (SDH) definitions |
| * |
| * Copyright 2008-2010 Analog Devices Inc. |
| * |
| * Licensed under the GPL-2 or later. |
| */ |
| |
| #ifndef __BFIN_SDH_H__ |
| #define __BFIN_SDH_H__ |
| |
| /* Platform resources */ |
| struct bfin_sd_host { |
| int dma_chan; |
| int irq_int0; |
| int irq_int1; |
| u16 pin_req[7]; |
| }; |
| |
| /* SDH_COMMAND bitmasks */ |
| #define CMD_IDX 0x3f /* Command Index */ |
| #define CMD_RSP (1 << 6) /* Response */ |
| #define CMD_L_RSP (1 << 7) /* Long Response */ |
| #define CMD_INT_E (1 << 8) /* Command Interrupt */ |
| #define CMD_PEND_E (1 << 9) /* Command Pending */ |
| #define CMD_E (1 << 10) /* Command Enable */ |
| #ifdef RSI_BLKSZ |
| #define CMD_CRC_CHECK_D (1 << 11) /* CRC Check is disabled */ |
| #define CMD_DATA0_BUSY (1 << 12) /* Check for Busy State on the DATA0 pin */ |
| #endif |
| |
| /* SDH_PWR_CTL bitmasks */ |
| #ifndef RSI_BLKSZ |
| #define PWR_ON 0x3 /* Power On */ |
| #define SD_CMD_OD (1 << 6) /* Open Drain Output */ |
| #define ROD_CTL (1 << 7) /* Rod Control */ |
| #endif |
| |
| /* SDH_CLK_CTL bitmasks */ |
| #define CLKDIV 0xff /* MC_CLK Divisor */ |
| #define CLK_E (1 << 8) /* MC_CLK Bus Clock Enable */ |
| #define PWR_SV_E (1 << 9) /* Power Save Enable */ |
| #define CLKDIV_BYPASS (1 << 10) /* Bypass Divisor */ |
| #define BUS_MODE_MASK 0x1800 /* Bus Mode Mask */ |
| #define STD_BUS_1 0x000 /* Standard Bus 1 bit mode */ |
| #define WIDE_BUS_4 0x800 /* Wide Bus 4 bit mode */ |
| #define BYTE_BUS_8 0x1000 /* Byte Bus 8 bit mode */ |
| |
| /* SDH_RESP_CMD bitmasks */ |
| #define RESP_CMD 0x3f /* Response Command */ |
| |
| /* SDH_DATA_CTL bitmasks */ |
| #define DTX_E (1 << 0) /* Data Transfer Enable */ |
| #define DTX_DIR (1 << 1) /* Data Transfer Direction */ |
| #define DTX_MODE (1 << 2) /* Data Transfer Mode */ |
| #define DTX_DMA_E (1 << 3) /* Data Transfer DMA Enable */ |
| #ifndef RSI_BLKSZ |
| #define DTX_BLK_LGTH (0xf << 4) /* Data Transfer Block Length */ |
| #else |
| |
| /* Bit masks for SDH_BLK_SIZE */ |
| #define DTX_BLK_LGTH 0x1fff /* Data Transfer Block Length */ |
| #endif |
| |
| /* SDH_STATUS bitmasks */ |
| #define CMD_CRC_FAIL (1 << 0) /* CMD CRC Fail */ |
| #define DAT_CRC_FAIL (1 << 1) /* Data CRC Fail */ |
| #define CMD_TIME_OUT (1 << 2) /* CMD Time Out */ |
| #define DAT_TIME_OUT (1 << 3) /* Data Time Out */ |
| #define TX_UNDERRUN (1 << 4) /* Transmit Underrun */ |
| #define RX_OVERRUN (1 << 5) /* Receive Overrun */ |
| #define CMD_RESP_END (1 << 6) /* CMD Response End */ |
| #define CMD_SENT (1 << 7) /* CMD Sent */ |
| #define DAT_END (1 << 8) /* Data End */ |
| #define START_BIT_ERR (1 << 9) /* Start Bit Error */ |
| #define DAT_BLK_END (1 << 10) /* Data Block End */ |
| #define CMD_ACT (1 << 11) /* CMD Active */ |
| #define TX_ACT (1 << 12) /* Transmit Active */ |
| #define RX_ACT (1 << 13) /* Receive Active */ |
| #define TX_FIFO_STAT (1 << 14) /* Transmit FIFO Status */ |
| #define RX_FIFO_STAT (1 << 15) /* Receive FIFO Status */ |
| #define TX_FIFO_FULL (1 << 16) /* Transmit FIFO Full */ |
| #define RX_FIFO_FULL (1 << 17) /* Receive FIFO Full */ |
| #define TX_FIFO_ZERO (1 << 18) /* Transmit FIFO Empty */ |
| #define RX_DAT_ZERO (1 << 19) /* Receive FIFO Empty */ |
| #define TX_DAT_RDY (1 << 20) /* Transmit Data Available */ |
| #define RX_FIFO_RDY (1 << 21) /* Receive Data Available */ |
| |
| /* SDH_STATUS_CLR bitmasks */ |
| #define CMD_CRC_FAIL_STAT (1 << 0) /* CMD CRC Fail Status */ |
| #define DAT_CRC_FAIL_STAT (1 << 1) /* Data CRC Fail Status */ |
| #define CMD_TIMEOUT_STAT (1 << 2) /* CMD Time Out Status */ |
| #define DAT_TIMEOUT_STAT (1 << 3) /* Data Time Out status */ |
| #define TX_UNDERRUN_STAT (1 << 4) /* Transmit Underrun Status */ |
| #define RX_OVERRUN_STAT (1 << 5) /* Receive Overrun Status */ |
| #define CMD_RESP_END_STAT (1 << 6) /* CMD Response End Status */ |
| #define CMD_SENT_STAT (1 << 7) /* CMD Sent Status */ |
| #define DAT_END_STAT (1 << 8) /* Data End Status */ |
| #define START_BIT_ERR_STAT (1 << 9) /* Start Bit Error Status */ |
| #define DAT_BLK_END_STAT (1 << 10) /* Data Block End Status */ |
| |
| /* SDH_MASK0 bitmasks */ |
| #define CMD_CRC_FAIL_MASK (1 << 0) /* CMD CRC Fail Mask */ |
| #define DAT_CRC_FAIL_MASK (1 << 1) /* Data CRC Fail Mask */ |
| #define CMD_TIMEOUT_MASK (1 << 2) /* CMD Time Out Mask */ |
| #define DAT_TIMEOUT_MASK (1 << 3) /* Data Time Out Mask */ |
| #define TX_UNDERRUN_MASK (1 << 4) /* Transmit Underrun Mask */ |
| #define RX_OVERRUN_MASK (1 << 5) /* Receive Overrun Mask */ |
| #define CMD_RESP_END_MASK (1 << 6) /* CMD Response End Mask */ |
| #define CMD_SENT_MASK (1 << 7) /* CMD Sent Mask */ |
| #define DAT_END_MASK (1 << 8) /* Data End Mask */ |
| #define START_BIT_ERR_MASK (1 << 9) /* Start Bit Error Mask */ |
| #define DAT_BLK_END_MASK (1 << 10) /* Data Block End Mask */ |
| #define CMD_ACT_MASK (1 << 11) /* CMD Active Mask */ |
| #define TX_ACT_MASK (1 << 12) /* Transmit Active Mask */ |
| #define RX_ACT_MASK (1 << 13) /* Receive Active Mask */ |
| #define TX_FIFO_STAT_MASK (1 << 14) /* Transmit FIFO Status Mask */ |
| #define RX_FIFO_STAT_MASK (1 << 15) /* Receive FIFO Status Mask */ |
| #define TX_FIFO_FULL_MASK (1 << 16) /* Transmit FIFO Full Mask */ |
| #define RX_FIFO_FULL_MASK (1 << 17) /* Receive FIFO Full Mask */ |
| #define TX_FIFO_ZERO_MASK (1 << 18) /* Transmit FIFO Empty Mask */ |
| #define RX_DAT_ZERO_MASK (1 << 19) /* Receive FIFO Empty Mask */ |
| #define TX_DAT_RDY_MASK (1 << 20) /* Transmit Data Available Mask */ |
| #define RX_FIFO_RDY_MASK (1 << 21) /* Receive Data Available Mask */ |
| |
| /* SDH_FIFO_CNT bitmasks */ |
| #define FIFO_COUNT 0x7fff /* FIFO Count */ |
| |
| /* SDH_E_STATUS bitmasks */ |
| #define SDIO_INT_DET (1 << 1) /* SDIO Int Detected */ |
| #define SD_CARD_DET (1 << 4) /* SD Card Detect */ |
| #define SD_CARD_BUSYMODE (1 << 31) /* Card is in Busy mode */ |
| #define SD_CARD_SLPMODE (1 << 30) /* Card in Sleep Mode */ |
| #define SD_CARD_READY (1 << 17) /* Card Ready */ |
| |
| /* SDH_E_MASK bitmasks */ |
| #define SDIO_MSK (1 << 1) /* Mask SDIO Int Detected */ |
| #define SCD_MSK (1 << 4) /* Mask Card Detect */ |
| #define CARD_READY_MSK (1 << 16) /* Mask Card Ready */ |
| |
| /* SDH_CFG bitmasks */ |
| #define CLKS_EN (1 << 0) /* Clocks Enable */ |
| #define SD4E (1 << 2) /* SDIO 4-Bit Enable */ |
| #define MWE (1 << 3) /* Moving Window Enable */ |
| #define SD_RST (1 << 4) /* SDMMC Reset */ |
| #define PUP_SDDAT (1 << 5) /* Pull-up SD_DAT */ |
| #define PUP_SDDAT3 (1 << 6) /* Pull-up SD_DAT3 */ |
| #ifndef RSI_BLKSZ |
| #define PD_SDDAT3 (1 << 7) /* Pull-down SD_DAT3 */ |
| #else |
| #define PWR_ON 0x600 /* Power On */ |
| #define SD_CMD_OD (1 << 11) /* Open Drain Output */ |
| #define BOOT_EN (1 << 12) /* Boot Enable */ |
| #define BOOT_MODE (1 << 13) /* Alternate Boot Mode */ |
| #define BOOT_ACK_EN (1 << 14) /* Boot ACK is expected */ |
| #endif |
| |
| /* SDH_RD_WAIT_EN bitmasks */ |
| #define RWR (1 << 0) /* Read Wait Request */ |
| |
| #endif |
