1 /** @file
2 *
3 *  Copyright (c) 2014, Linaro Limited. All rights reserved.
4 *  Copyright (c) 2014, Hisilicon Limited. All rights reserved.
5 *
6 *  This program and the accompanying materials
7 *  are licensed and made available under the terms and conditions of the BSD License
8 *  which accompanies this distribution.  The full text of the license may be found at
9 *  http://opensource.org/licenses/bsd-license.php
10 *
11 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13 *
14 **/
15 
16 
17 #ifndef __DWEMMC_H__
18 #define __DWEMMC_H__
19 
20 #include <Protocol/EmbeddedGpio.h>
21 
22 // DW MMC Registers
23 #define DWEMMC_CTRL		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x000)
24 #define DWEMMC_PWREN		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x004)
25 #define DWEMMC_CLKDIV		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x008)
26 #define DWEMMC_CLKSRC		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x00c)
27 #define DWEMMC_CLKENA		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x010)
28 #define DWEMMC_TMOUT		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x014)
29 #define DWEMMC_CTYPE		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x018)
30 #define DWEMMC_BLKSIZ		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x01c)
31 #define DWEMMC_BYTCNT		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x020)
32 #define DWEMMC_INTMASK		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x024)
33 #define DWEMMC_CMDARG		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x028)
34 #define DWEMMC_CMD		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x02c)
35 #define DWEMMC_RESP0		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x030)
36 #define DWEMMC_RESP1		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x034)
37 #define DWEMMC_RESP2		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x038)
38 #define DWEMMC_RESP3		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x03c)
39 #define DWEMMC_RINTSTS		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x044)
40 #define DWEMMC_STATUS		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x048)
41 #define DWEMMC_FIFOTH		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x04c)
42 #define DWEMMC_DEBNCE		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x064)
43 #define DWEMMC_UHSREG		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x074)
44 #define DWEMMC_BMOD		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x080)
45 #define DWEMMC_DBADDR		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x088)
46 #define DWEMMC_IDSTS		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x08c)
47 #define DWEMMC_IDINTEN		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x090)
48 #define DWEMMC_DSCADDR		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x094)
49 #define DWEMMC_BUFADDR		((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x098)
50 #define DWEMMC_CARDTHRCTL	((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0X100)
51 
52 #define CMD_UPDATE_CLK				0x80202000
53 #define CMD_START_BIT				(1 << 31)
54 
55 #define MMC_8BIT_MODE				(1 << 16)
56 
57 #define BIT_CMD_RESPONSE_EXPECT			(1 << 6)
58 #define BIT_CMD_LONG_RESPONSE			(1 << 7)
59 #define BIT_CMD_CHECK_RESPONSE_CRC		(1 << 8)
60 #define BIT_CMD_DATA_EXPECTED			(1 << 9)
61 #define BIT_CMD_READ				(0 << 10)
62 #define BIT_CMD_WRITE				(1 << 10)
63 #define BIT_CMD_BLOCK_TRANSFER			(0 << 11)
64 #define BIT_CMD_STREAM_TRANSFER			(1 << 11)
65 #define BIT_CMD_SEND_AUTO_STOP			(1 << 12)
66 #define BIT_CMD_WAIT_PRVDATA_COMPLETE		(1 << 13)
67 #define BIT_CMD_STOP_ABORT_CMD			(1 << 14)
68 #define BIT_CMD_SEND_INIT			(1 << 15)
69 #define BIT_CMD_UPDATE_CLOCK_ONLY		(1 << 21)
70 #define BIT_CMD_READ_CEATA_DEVICE		(1 << 22)
71 #define BIT_CMD_CCS_EXPECTED			(1 << 23)
72 #define BIT_CMD_ENABLE_BOOT			(1 << 24)
73 #define BIT_CMD_EXPECT_BOOT_ACK			(1 << 25)
74 #define BIT_CMD_DISABLE_BOOT			(1 << 26)
75 #define BIT_CMD_MANDATORY_BOOT			(0 << 27)
76 #define BIT_CMD_ALTERNATE_BOOT			(1 << 27)
77 #define BIT_CMD_VOLT_SWITCH			(1 << 28)
78 #define BIT_CMD_USE_HOLD_REG			(1 << 29)
79 #define BIT_CMD_START				(1 << 31)
80 
81 #define DWEMMC_INT_EBE				(1 << 15)	/* End-bit Err */
82 #define DWEMMC_INT_SBE				(1 << 13)	/* Start-bit  Err */
83 #define DWEMMC_INT_HLE				(1 << 12)	/* Hardware-lock Err */
84 #define DWEMMC_INT_FRUN				(1 << 11)	/* FIFO UN/OV RUN */
85 #define DWEMMC_INT_DRT				(1 << 9)	/* Data timeout */
86 #define DWEMMC_INT_RTO				(1 << 8)	/* Response timeout */
87 #define DWEMMC_INT_DCRC				(1 << 7)	/* Data CRC err */
88 #define DWEMMC_INT_RCRC				(1 << 6)	/* Response CRC err */
89 #define DWEMMC_INT_RXDR				(1 << 5)
90 #define DWEMMC_INT_TXDR				(1 << 4)
91 #define DWEMMC_INT_DTO				(1 << 3)	/* Data trans over */
92 #define DWEMMC_INT_CMD_DONE			(1 << 2)
93 #define DWEMMC_INT_RE				(1 << 1)
94 
95 #define DWEMMC_IDMAC_DES0_DIC			(1 << 1)
96 #define DWEMMC_IDMAC_DES0_LD			(1 << 2)
97 #define DWEMMC_IDMAC_DES0_FS			(1 << 3)
98 #define DWEMMC_IDMAC_DES0_CH			(1 << 4)
99 #define DWEMMC_IDMAC_DES0_ER			(1 << 5)
100 #define DWEMMC_IDMAC_DES0_CES			(1 << 30)
101 #define DWEMMC_IDMAC_DES0_OWN			(1 << 31)
102 #define DWEMMC_IDMAC_DES1_BS1(x)		((x) & 0x1fff)
103 #define DWEMMC_IDMAC_DES2_BS2(x)		(((x) & 0x1fff) << 13)
104 #define DWEMMC_IDMAC_SWRESET			(1 << 0)
105 #define DWEMMC_IDMAC_FB				(1 << 1)
106 #define DWEMMC_IDMAC_ENABLE			(1 << 7)
107 
108 #define EMMC_FIX_RCA				6
109 
110 /* bits in MMC0_CTRL */
111 #define DWEMMC_CTRL_RESET			(1 << 0)
112 #define DWEMMC_CTRL_FIFO_RESET			(1 << 1)
113 #define DWEMMC_CTRL_DMA_RESET			(1 << 2)
114 #define DWEMMC_CTRL_INT_EN			(1 << 4)
115 #define DWEMMC_CTRL_DMA_EN			(1 << 5)
116 #define DWEMMC_CTRL_IDMAC_EN			(1 << 25)
117 #define DWEMMC_CTRL_RESET_ALL			(DWEMMC_CTRL_RESET | DWEMMC_CTRL_FIFO_RESET | DWEMMC_CTRL_DMA_RESET)
118 
119 #define DWEMMC_STS_DATA_BUSY			(1 << 9)
120 
121 #define DWEMMC_FIFO_TWMARK(x)			(x & 0xfff)
122 #define DWEMMC_FIFO_RWMARK(x)			((x & 0x1ff) << 16)
123 #define DWEMMC_DMA_BURST_SIZE(x)		((x & 0x7) << 28)
124 
125 #define DWEMMC_CARD_RD_THR(x)			((x & 0xfff) << 16)
126 #define DWEMMC_CARD_RD_THR_EN			(1 << 0)
127 
128 #endif  // __DWEMMC_H__
129