u-boot/include/asm-blackfin/mach-common/bits/sdh.h
Cliff Cai 716ebf436c Blackfin: add driver for on-chip MMC/SD controller
This is a port of the Linux Blackfin on-chip SDH driver to U-Boot.

Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-02-02 12:27:18 -05:00

122 lines
6.6 KiB
C

/*
* SDH Masks
*/
#ifndef __BFIN_PERIPHERAL_SDH__
#define __BFIN_PERIPHERAL_SDH__
/* Bit masks for SDH_COMMAND */
#define CMD_IDX 0x3f /* Command Index */
#define CMD_RSP 0x40 /* Response */
#define CMD_L_RSP 0x80 /* Long Response */
#define CMD_INT_E 0x100 /* Command Interrupt */
#define CMD_PEND_E 0x200 /* Command Pending */
#define CMD_E 0x400 /* Command Enable */
/* Bit masks for SDH_PWR_CTL */
#define PWR_ON 0x3 /* Power On */
#define SD_CMD_OD 0x40 /* Open Drain Output */
#define ROD_CTL 0x80 /* Rod Control */
/* Bit masks for SDH_CLK_CTL */
#define CLKDIV 0xff /* MC_CLK Divisor */
#define CLK_E 0x100 /* MC_CLK Bus Clock Enable */
#define PWR_SV_E 0x200 /* Power Save Enable */
#define CLKDIV_BYPASS 0x400 /* Bypass Divisor */
#define WIDE_BUS 0x800 /* Wide Bus Mode Enable */
/* Bit masks for SDH_RESP_CMD */
#define RESP_CMD 0x3f /* Response Command */
/* Bit masks for SDH_DATA_CTL */
#define DTX_E 0x1 /* Data Transfer Enable */
#define DTX_DIR 0x2 /* Data Transfer Direction */
#define DTX_MODE 0x4 /* Data Transfer Mode */
#define DTX_DMA_E 0x8 /* Data Transfer DMA Enable */
#define DTX_BLK_LGTH 0xf0 /* Data Transfer Block Length */
/* Bit masks for SDH_STATUS */
#define CMD_CRC_FAIL 0x1 /* CMD CRC Fail */
#define DAT_CRC_FAIL 0x2 /* Data CRC Fail */
#define CMD_TIME_OUT 0x4 /* CMD Time Out */
#define DAT_TIME_OUT 0x8 /* Data Time Out */
#define TX_UNDERRUN 0x10 /* Transmit Underrun */
#define RX_OVERRUN 0x20 /* Receive Overrun */
#define CMD_RESP_END 0x40 /* CMD Response End */
#define CMD_SENT 0x80 /* CMD Sent */
#define DAT_END 0x100 /* Data End */
#define START_BIT_ERR 0x200 /* Start Bit Error */
#define DAT_BLK_END 0x400 /* Data Block End */
#define CMD_ACT 0x800 /* CMD Active */
#define TX_ACT 0x1000 /* Transmit Active */
#define RX_ACT 0x2000 /* Receive Active */
#define TX_FIFO_STAT 0x4000 /* Transmit FIFO Status */
#define RX_FIFO_STAT 0x8000 /* Receive FIFO Status */
#define TX_FIFO_FULL 0x10000 /* Transmit FIFO Full */
#define RX_FIFO_FULL 0x20000 /* Receive FIFO Full */
#define TX_FIFO_ZERO 0x40000 /* Transmit FIFO Empty */
#define RX_DAT_ZERO 0x80000 /* Receive FIFO Empty */
#define TX_DAT_RDY 0x100000 /* Transmit Data Available */
#define RX_FIFO_RDY 0x200000 /* Receive Data Available */
/* Bit masks for SDH_STATUS_CLR */
#define CMD_CRC_FAIL_STAT 0x1 /* CMD CRC Fail Status */
#define DAT_CRC_FAIL_STAT 0x2 /* Data CRC Fail Status */
#define CMD_TIMEOUT_STAT 0x4 /* CMD Time Out Status */
#define DAT_TIMEOUT_STAT 0x8 /* Data Time Out status */
#define TX_UNDERRUN_STAT 0x10 /* Transmit Underrun Status */
#define RX_OVERRUN_STAT 0x20 /* Receive Overrun Status */
#define CMD_RESP_END_STAT 0x40 /* CMD Response End Status */
#define CMD_SENT_STAT 0x80 /* CMD Sent Status */
#define DAT_END_STAT 0x100 /* Data End Status */
#define START_BIT_ERR_STAT 0x200 /* Start Bit Error Status */
#define DAT_BLK_END_STAT 0x400 /* Data Block End Status */
/* Bit masks for SDH_MASK0 */
#define CMD_CRC_FAIL_MASK 0x1 /* CMD CRC Fail Mask */
#define DAT_CRC_FAIL_MASK 0x2 /* Data CRC Fail Mask */
#define CMD_TIMEOUT_MASK 0x4 /* CMD Time Out Mask */
#define DAT_TIMEOUT_MASK 0x8 /* Data Time Out Mask */
#define TX_UNDERRUN_MASK 0x10 /* Transmit Underrun Mask */
#define RX_OVERRUN_MASK 0x20 /* Receive Overrun Mask */
#define CMD_RESP_END_MASK 0x40 /* CMD Response End Mask */
#define CMD_SENT_MASK 0x80 /* CMD Sent Mask */
#define DAT_END_MASK 0x100 /* Data End Mask */
#define START_BIT_ERR_MASK 0x200 /* Start Bit Error Mask */
#define DAT_BLK_END_MASK 0x400 /* Data Block End Mask */
#define CMD_ACT_MASK 0x800 /* CMD Active Mask */
#define TX_ACT_MASK 0x1000 /* Transmit Active Mask */
#define RX_ACT_MASK 0x2000 /* Receive Active Mask */
#define TX_FIFO_STAT_MASK 0x4000 /* Transmit FIFO Status Mask */
#define RX_FIFO_STAT_MASK 0x8000 /* Receive FIFO Status Mask */
#define TX_FIFO_FULL_MASK 0x10000 /* Transmit FIFO Full Mask */
#define RX_FIFO_FULL_MASK 0x20000 /* Receive FIFO Full Mask */
#define TX_FIFO_ZERO_MASK 0x40000 /* Transmit FIFO Empty Mask */
#define RX_DAT_ZERO_MASK 0x80000 /* Receive FIFO Empty Mask */
#define TX_DAT_RDY_MASK 0x100000 /* Transmit Data Available Mask */
#define RX_FIFO_RDY_MASK 0x200000 /* Receive Data Available Mask */
/* Bit masks for SDH_FIFO_CNT */
#define FIFO_COUNT 0x7fff /* FIFO Count */
/* Bit masks for SDH_E_STATUS */
#define SDIO_INT_DET 0x2 /* SDIO Int Detected */
#define SD_CARD_DET 0x10 /* SD Card Detect */
/* Bit masks for SDH_E_MASK */
#define SDIO_MSK 0x2 /* Mask SDIO Int Detected */
#define SCD_MSK 0x40 /* Mask Card Detect */
/* Bit masks for SDH_CFG */
#define CLKS_EN 0x1 /* Clocks Enable */
#define SD4E 0x4 /* SDIO 4-Bit Enable */
#define MWE 0x8 /* Moving Window Enable */
#define SD_RST 0x10 /* SDMMC Reset */
#define PUP_SDDAT 0x20 /* Pull-up SD_DAT */
#define PUP_SDDAT3 0x40 /* Pull-up SD_DAT3 */
#define PD_SDDAT3 0x80 /* Pull-down SD_DAT3 */
/* Bit masks for SDH_RD_WAIT_EN */
#define RWR 0x1 /* Read Wait Request */
#endif