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Diffstat (limited to 'arch/blackfin/include/asm/bfin_sdh.h')
-rw-r--r--arch/blackfin/include/asm/bfin_sdh.h119
1 files changed, 117 insertions, 2 deletions
diff --git a/arch/blackfin/include/asm/bfin_sdh.h b/arch/blackfin/include/asm/bfin_sdh.h
index d61d5497c59..6a4cfe2d336 100644
--- a/arch/blackfin/include/asm/bfin_sdh.h
+++ b/arch/blackfin/include/asm/bfin_sdh.h
@@ -1,7 +1,7 @@
/*
- * bfin_sdh.h - Blackfin SDH definitions
+ * Blackfin Secure Digital Host (SDH) definitions
*
- * Copyright 2008 Analog Devices Inc.
+ * Copyright 2008-2010 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
@@ -9,6 +9,7 @@
#ifndef __BFIN_SDH_H__
#define __BFIN_SDH_H__
+/* Platform resources */
struct bfin_sd_host {
int dma_chan;
int irq_int0;
@@ -16,4 +17,118 @@ struct bfin_sd_host {
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 */
+
+/* SDH_PWR_CTL bitmasks */
+#define PWR_ON 0x3 /* Power On */
+#define SD_CMD_OD (1 << 6) /* Open Drain Output */
+#define ROD_CTL (1 << 7) /* Rod Control */
+
+/* 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 WIDE_BUS (1 << 11) /* Wide Bus Mode Enable */
+
+/* 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 */
+#define DTX_BLK_LGTH (0xf << 4) /* Data Transfer Block Length */
+
+/* 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 */
+
+/* SDH_E_MASK bitmasks */
+#define SDIO_MSK (1 << 1) /* Mask SDIO Int Detected */
+#define SCD_MSK (1 << 6) /* Mask Card Detect */
+
+/* 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 */
+#define PD_SDDAT3 (1 << 7) /* Pull-down SD_DAT3 */
+
+/* SDH_RD_WAIT_EN bitmasks */
+#define RWR (1 << 0) /* Read Wait Request */
+
#endif