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1 /** @file
2 *
3 *  Copyright (c) 2014-2017, Linaro Limited. All rights reserved.
4 *
5 *  This program and the accompanying materials
6 *  are licensed and made available under the terms and conditions of the BSD License
7 *  which accompanies this distribution.  The full text of the license may be found at
8 *  http://opensource.org/licenses/bsd-license.php
9 *
10 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 *
13 **/
14 
15 
16 #ifndef __DWEMMC_H__
17 #define __DWEMMC_H__
18 
19 #include <Protocol/EmbeddedGpio.h>
20 
21 // DW MMC Registers
22 #define DWEMMC_CTRL             ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x000)
23 #define DWEMMC_PWREN            ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x004)
24 #define DWEMMC_CLKDIV           ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x008)
25 #define DWEMMC_CLKSRC           ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x00c)
26 #define DWEMMC_CLKENA           ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x010)
27 #define DWEMMC_TMOUT            ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x014)
28 #define DWEMMC_CTYPE            ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x018)
29 #define DWEMMC_BLKSIZ           ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x01c)
30 #define DWEMMC_BYTCNT           ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x020)
31 #define DWEMMC_INTMASK          ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x024)
32 #define DWEMMC_CMDARG           ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x028)
33 #define DWEMMC_CMD              ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x02c)
34 #define DWEMMC_RESP0            ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x030)
35 #define DWEMMC_RESP1            ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x034)
36 #define DWEMMC_RESP2            ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x038)
37 #define DWEMMC_RESP3            ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x03c)
38 #define DWEMMC_RINTSTS          ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x044)
39 #define DWEMMC_STATUS           ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x048)
40 #define DWEMMC_FIFOTH           ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x04c)
41 #define DWEMMC_DEBNCE           ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x064)
42 #define DWEMMC_UHSREG           ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x074)
43 #define DWEMMC_BMOD             ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x080)
44 #define DWEMMC_DBADDR           ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x088)
45 #define DWEMMC_IDSTS            ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x08c)
46 #define DWEMMC_IDINTEN          ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x090)
47 #define DWEMMC_DSCADDR          ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x094)
48 #define DWEMMC_BUFADDR          ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x098)
49 #define DWEMMC_CARDTHRCTL       ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0X100)
50 
51 #define CMD_UPDATE_CLK                          0x80202000
52 #define CMD_START_BIT                           (1 << 31)
53 
54 #define MMC_8BIT_MODE                           (1 << 16)
55 
56 #define BIT_CMD_RESPONSE_EXPECT                 (1 << 6)
57 #define BIT_CMD_LONG_RESPONSE                   (1 << 7)
58 #define BIT_CMD_CHECK_RESPONSE_CRC              (1 << 8)
59 #define BIT_CMD_DATA_EXPECTED                   (1 << 9)
60 #define BIT_CMD_READ                            (0 << 10)
61 #define BIT_CMD_WRITE                           (1 << 10)
62 #define BIT_CMD_BLOCK_TRANSFER                  (0 << 11)
63 #define BIT_CMD_STREAM_TRANSFER                 (1 << 11)
64 #define BIT_CMD_SEND_AUTO_STOP                  (1 << 12)
65 #define BIT_CMD_WAIT_PRVDATA_COMPLETE           (1 << 13)
66 #define BIT_CMD_STOP_ABORT_CMD                  (1 << 14)
67 #define BIT_CMD_SEND_INIT                       (1 << 15)
68 #define BIT_CMD_UPDATE_CLOCK_ONLY               (1 << 21)
69 #define BIT_CMD_READ_CEATA_DEVICE               (1 << 22)
70 #define BIT_CMD_CCS_EXPECTED                    (1 << 23)
71 #define BIT_CMD_ENABLE_BOOT                     (1 << 24)
72 #define BIT_CMD_EXPECT_BOOT_ACK                 (1 << 25)
73 #define BIT_CMD_DISABLE_BOOT                    (1 << 26)
74 #define BIT_CMD_MANDATORY_BOOT                  (0 << 27)
75 #define BIT_CMD_ALTERNATE_BOOT                  (1 << 27)
76 #define BIT_CMD_VOLT_SWITCH                     (1 << 28)
77 #define BIT_CMD_USE_HOLD_REG                    (1 << 29)
78 #define BIT_CMD_START                           (1 << 31)
79 
80 #define DWEMMC_INT_EBE                          (1 << 15)       /* End-bit Err */
81 #define DWEMMC_INT_SBE                          (1 << 13)       /* Start-bit  Err */
82 #define DWEMMC_INT_HLE                          (1 << 12)       /* Hardware-lock Err */
83 #define DWEMMC_INT_FRUN                         (1 << 11)       /* FIFO UN/OV RUN */
84 #define DWEMMC_INT_DRT                          (1 << 9)        /* Data timeout */
85 #define DWEMMC_INT_RTO                          (1 << 8)        /* Response timeout */
86 #define DWEMMC_INT_DCRC                         (1 << 7)        /* Data CRC err */
87 #define DWEMMC_INT_RCRC                         (1 << 6)        /* Response CRC err */
88 #define DWEMMC_INT_RXDR                         (1 << 5)
89 #define DWEMMC_INT_TXDR                         (1 << 4)
90 #define DWEMMC_INT_DTO                          (1 << 3)        /* Data trans over */
91 #define DWEMMC_INT_CMD_DONE                     (1 << 2)
92 #define DWEMMC_INT_RE                           (1 << 1)
93 
94 #define DWEMMC_IDMAC_DES0_DIC                   (1 << 1)
95 #define DWEMMC_IDMAC_DES0_LD                    (1 << 2)
96 #define DWEMMC_IDMAC_DES0_FS                    (1 << 3)
97 #define DWEMMC_IDMAC_DES0_CH                    (1 << 4)
98 #define DWEMMC_IDMAC_DES0_ER                    (1 << 5)
99 #define DWEMMC_IDMAC_DES0_CES                   (1 << 30)
100 #define DWEMMC_IDMAC_DES0_OWN                   (1 << 31)
101 #define DWEMMC_IDMAC_DES1_BS1(x)                ((x) & 0x1fff)
102 #define DWEMMC_IDMAC_DES2_BS2(x)                (((x) & 0x1fff) << 13)
103 #define DWEMMC_IDMAC_SWRESET                    (1 << 0)
104 #define DWEMMC_IDMAC_FB                         (1 << 1)
105 #define DWEMMC_IDMAC_ENABLE                     (1 << 7)
106 
107 #define EMMC_FIX_RCA                            6
108 
109 /* bits in MMC0_CTRL */
110 #define DWEMMC_CTRL_RESET                       (1 << 0)
111 #define DWEMMC_CTRL_FIFO_RESET                  (1 << 1)
112 #define DWEMMC_CTRL_DMA_RESET                   (1 << 2)
113 #define DWEMMC_CTRL_INT_EN                      (1 << 4)
114 #define DWEMMC_CTRL_DMA_EN                      (1 << 5)
115 #define DWEMMC_CTRL_IDMAC_EN                    (1 << 25)
116 #define DWEMMC_CTRL_RESET_ALL                   (DWEMMC_CTRL_RESET | DWEMMC_CTRL_FIFO_RESET | DWEMMC_CTRL_DMA_RESET)
117 
118 #define DWEMMC_STS_DATA_BUSY                    (1 << 9)
119 
120 #define DWEMMC_FIFO_TWMARK(x)                   (x & 0xfff)
121 #define DWEMMC_FIFO_RWMARK(x)                   ((x & 0x1ff) << 16)
122 #define DWEMMC_DMA_BURST_SIZE(x)                ((x & 0x7) << 28)
123 
124 #define DWEMMC_CARD_RD_THR(x)                   ((x & 0xfff) << 16)
125 #define DWEMMC_CARD_RD_THR_EN                   (1 << 0)
126 
127 #endif  // __DWEMMC_H__
128