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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 d61d5497c590..6a4cfe2d3367 100644
--- a/arch/blackfin/include/asm/bfin_sdh.h
+++ b/arch/blackfin/include/asm/bfin_sdh.h
@@ -1,7 +1,7 @@
1/* 1/*
2 * bfin_sdh.h - Blackfin SDH definitions 2 * Blackfin Secure Digital Host (SDH) definitions
3 * 3 *
4 * Copyright 2008 Analog Devices Inc. 4 * Copyright 2008-2010 Analog Devices Inc.
5 * 5 *
6 * Licensed under the GPL-2 or later. 6 * Licensed under the GPL-2 or later.
7 */ 7 */
@@ -9,6 +9,7 @@
9#ifndef __BFIN_SDH_H__ 9#ifndef __BFIN_SDH_H__
10#define __BFIN_SDH_H__ 10#define __BFIN_SDH_H__
11 11
12/* Platform resources */
12struct bfin_sd_host { 13struct bfin_sd_host {
13 int dma_chan; 14 int dma_chan;
14 int irq_int0; 15 int irq_int0;
@@ -16,4 +17,118 @@ struct bfin_sd_host {
16 u16 pin_req[7]; 17 u16 pin_req[7];
17}; 18};
18 19
20/* SDH_COMMAND bitmasks */
21#define CMD_IDX 0x3f /* Command Index */
22#define CMD_RSP (1 << 6) /* Response */
23#define CMD_L_RSP (1 << 7) /* Long Response */
24#define CMD_INT_E (1 << 8) /* Command Interrupt */
25#define CMD_PEND_E (1 << 9) /* Command Pending */
26#define CMD_E (1 << 10) /* Command Enable */
27
28/* SDH_PWR_CTL bitmasks */
29#define PWR_ON 0x3 /* Power On */
30#define SD_CMD_OD (1 << 6) /* Open Drain Output */
31#define ROD_CTL (1 << 7) /* Rod Control */
32
33/* SDH_CLK_CTL bitmasks */
34#define CLKDIV 0xff /* MC_CLK Divisor */
35#define CLK_E (1 << 8) /* MC_CLK Bus Clock Enable */
36#define PWR_SV_E (1 << 9) /* Power Save Enable */
37#define CLKDIV_BYPASS (1 << 10) /* Bypass Divisor */
38#define WIDE_BUS (1 << 11) /* Wide Bus Mode Enable */
39
40/* SDH_RESP_CMD bitmasks */
41#define RESP_CMD 0x3f /* Response Command */
42
43/* SDH_DATA_CTL bitmasks */
44#define DTX_E (1 << 0) /* Data Transfer Enable */
45#define DTX_DIR (1 << 1) /* Data Transfer Direction */
46#define DTX_MODE (1 << 2) /* Data Transfer Mode */
47#define DTX_DMA_E (1 << 3) /* Data Transfer DMA Enable */
48#define DTX_BLK_LGTH (0xf << 4) /* Data Transfer Block Length */
49
50/* SDH_STATUS bitmasks */
51#define CMD_CRC_FAIL (1 << 0) /* CMD CRC Fail */
52#define DAT_CRC_FAIL (1 << 1) /* Data CRC Fail */
53#define CMD_TIME_OUT (1 << 2) /* CMD Time Out */
54#define DAT_TIME_OUT (1 << 3) /* Data Time Out */
55#define TX_UNDERRUN (1 << 4) /* Transmit Underrun */
56#define RX_OVERRUN (1 << 5) /* Receive Overrun */
57#define CMD_RESP_END (1 << 6) /* CMD Response End */
58#define CMD_SENT (1 << 7) /* CMD Sent */
59#define DAT_END (1 << 8) /* Data End */
60#define START_BIT_ERR (1 << 9) /* Start Bit Error */
61#define DAT_BLK_END (1 << 10) /* Data Block End */
62#define CMD_ACT (1 << 11) /* CMD Active */
63#define TX_ACT (1 << 12) /* Transmit Active */
64#define RX_ACT (1 << 13) /* Receive Active */
65#define TX_FIFO_STAT (1 << 14) /* Transmit FIFO Status */
66#define RX_FIFO_STAT (1 << 15) /* Receive FIFO Status */
67#define TX_FIFO_FULL (1 << 16) /* Transmit FIFO Full */
68#define RX_FIFO_FULL (1 << 17) /* Receive FIFO Full */
69#define TX_FIFO_ZERO (1 << 18) /* Transmit FIFO Empty */
70#define RX_DAT_ZERO (1 << 19) /* Receive FIFO Empty */
71#define TX_DAT_RDY (1 << 20) /* Transmit Data Available */
72#define RX_FIFO_RDY (1 << 21) /* Receive Data Available */
73
74/* SDH_STATUS_CLR bitmasks */
75#define CMD_CRC_FAIL_STAT (1 << 0) /* CMD CRC Fail Status */
76#define DAT_CRC_FAIL_STAT (1 << 1) /* Data CRC Fail Status */
77#define CMD_TIMEOUT_STAT (1 << 2) /* CMD Time Out Status */
78#define DAT_TIMEOUT_STAT (1 << 3) /* Data Time Out status */
79#define TX_UNDERRUN_STAT (1 << 4) /* Transmit Underrun Status */
80#define RX_OVERRUN_STAT (1 << 5) /* Receive Overrun Status */
81#define CMD_RESP_END_STAT (1 << 6) /* CMD Response End Status */
82#define CMD_SENT_STAT (1 << 7) /* CMD Sent Status */
83#define DAT_END_STAT (1 << 8) /* Data End Status */
84#define START_BIT_ERR_STAT (1 << 9) /* Start Bit Error Status */
85#define DAT_BLK_END_STAT (1 << 10) /* Data Block End Status */
86
87/* SDH_MASK0 bitmasks */
88#define CMD_CRC_FAIL_MASK (1 << 0) /* CMD CRC Fail Mask */
89#define DAT_CRC_FAIL_MASK (1 << 1) /* Data CRC Fail Mask */
90#define CMD_TIMEOUT_MASK (1 << 2) /* CMD Time Out Mask */
91#define DAT_TIMEOUT_MASK (1 << 3) /* Data Time Out Mask */
92#define TX_UNDERRUN_MASK (1 << 4) /* Transmit Underrun Mask */
93#define RX_OVERRUN_MASK (1 << 5) /* Receive Overrun Mask */
94#define CMD_RESP_END_MASK (1 << 6) /* CMD Response End Mask */
95#define CMD_SENT_MASK (1 << 7) /* CMD Sent Mask */
96#define DAT_END_MASK (1 << 8) /* Data End Mask */
97#define START_BIT_ERR_MASK (1 << 9) /* Start Bit Error Mask */
98#define DAT_BLK_END_MASK (1 << 10) /* Data Block End Mask */
99#define CMD_ACT_MASK (1 << 11) /* CMD Active Mask */
100#define TX_ACT_MASK (1 << 12) /* Transmit Active Mask */
101#define RX_ACT_MASK (1 << 13) /* Receive Active Mask */
102#define TX_FIFO_STAT_MASK (1 << 14) /* Transmit FIFO Status Mask */
103#define RX_FIFO_STAT_MASK (1 << 15) /* Receive FIFO Status Mask */
104#define TX_FIFO_FULL_MASK (1 << 16) /* Transmit FIFO Full Mask */
105#define RX_FIFO_FULL_MASK (1 << 17) /* Receive FIFO Full Mask */
106#define TX_FIFO_ZERO_MASK (1 << 18) /* Transmit FIFO Empty Mask */
107#define RX_DAT_ZERO_MASK (1 << 19) /* Receive FIFO Empty Mask */
108#define TX_DAT_RDY_MASK (1 << 20) /* Transmit Data Available Mask */
109#define RX_FIFO_RDY_MASK (1 << 21) /* Receive Data Available Mask */
110
111/* SDH_FIFO_CNT bitmasks */
112#define FIFO_COUNT 0x7fff /* FIFO Count */
113
114/* SDH_E_STATUS bitmasks */
115#define SDIO_INT_DET (1 << 1) /* SDIO Int Detected */
116#define SD_CARD_DET (1 << 4) /* SD Card Detect */
117
118/* SDH_E_MASK bitmasks */
119#define SDIO_MSK (1 << 1) /* Mask SDIO Int Detected */
120#define SCD_MSK (1 << 6) /* Mask Card Detect */
121
122/* SDH_CFG bitmasks */
123#define CLKS_EN (1 << 0) /* Clocks Enable */
124#define SD4E (1 << 2) /* SDIO 4-Bit Enable */
125#define MWE (1 << 3) /* Moving Window Enable */
126#define SD_RST (1 << 4) /* SDMMC Reset */
127#define PUP_SDDAT (1 << 5) /* Pull-up SD_DAT */
128#define PUP_SDDAT3 (1 << 6) /* Pull-up SD_DAT3 */
129#define PD_SDDAT3 (1 << 7) /* Pull-down SD_DAT3 */
130
131/* SDH_RD_WAIT_EN bitmasks */
132#define RWR (1 << 0) /* Read Wait Request */
133
19#endif 134#endif