diff options
Diffstat (limited to 'kernel/arch/blackfin/include/asm/bfin_sdh.h')
| -rw-r--r-- | kernel/arch/blackfin/include/asm/bfin_sdh.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/kernel/arch/blackfin/include/asm/bfin_sdh.h b/kernel/arch/blackfin/include/asm/bfin_sdh.h new file mode 100644 index 000000000..a99957ea9 --- /dev/null +++ b/kernel/arch/blackfin/include/asm/bfin_sdh.h @@ -0,0 +1,161 @@ +/* + * 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 |