Blame view

kernel/linux-rt-4.4.41/drivers/mmc/host/dw_mmc-exynos.h 2.51 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
  /*
   * Exynos Specific Extensions for Synopsys DW Multimedia Card Interface driver
   *
   * Copyright (C) 2012-2014 Samsung Electronics Co., Ltd.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   */
  
  #ifndef _DW_MMC_EXYNOS_H_
  #define _DW_MMC_EXYNOS_H_
  
  #define SDMMC_CLKSEL			0x09C
  #define SDMMC_CLKSEL64			0x0A8
  
  /* Extended Register's Offset */
  #define SDMMC_HS400_DQS_EN		0x180
  #define SDMMC_HS400_ASYNC_FIFO_CTRL	0x184
  #define SDMMC_HS400_DLINE_CTRL		0x188
  
  /* CLKSEL register defines */
  #define SDMMC_CLKSEL_CCLK_SAMPLE(x)	(((x) & 7) << 0)
  #define SDMMC_CLKSEL_CCLK_DRIVE(x)	(((x) & 7) << 16)
  #define SDMMC_CLKSEL_CCLK_DIVIDER(x)	(((x) & 7) << 24)
  #define SDMMC_CLKSEL_GET_DRV_WD3(x)	(((x) >> 16) & 0x7)
  #define SDMMC_CLKSEL_GET_DIV(x)		(((x) >> 24) & 0x7)
  #define SDMMC_CLKSEL_UP_SAMPLE(x, y)	(((x) & ~SDMMC_CLKSEL_CCLK_SAMPLE(7)) |\
  					 SDMMC_CLKSEL_CCLK_SAMPLE(y))
  #define SDMMC_CLKSEL_TIMING(x, y, z)	(SDMMC_CLKSEL_CCLK_SAMPLE(x) |	\
  					 SDMMC_CLKSEL_CCLK_DRIVE(y) |	\
  					 SDMMC_CLKSEL_CCLK_DIVIDER(z))
  #define SDMMC_CLKSEL_TIMING_MASK	SDMMC_CLKSEL_TIMING(0x7, 0x7, 0x7)
  #define SDMMC_CLKSEL_WAKEUP_INT		BIT(11)
  
  /* RCLK_EN register defines */
  #define DATA_STROBE_EN			BIT(0)
  #define AXI_NON_BLOCKING_WR	BIT(7)
  
  /* DLINE_CTRL register defines */
  #define DQS_CTRL_RD_DELAY(x, y)		(((x) & ~0x3FF) | ((y) & 0x3FF))
  #define DQS_CTRL_GET_RD_DELAY(x)	((x) & 0x3FF)
  
  /* Protector Register */
  #define SDMMC_EMMCP_BASE	0x1000
  #define SDMMC_MPSECURITY	(SDMMC_EMMCP_BASE + 0x0010)
  #define SDMMC_MPSBEGIN0		(SDMMC_EMMCP_BASE + 0x0200)
  #define SDMMC_MPSEND0		(SDMMC_EMMCP_BASE + 0x0204)
  #define SDMMC_MPSCTRL0		(SDMMC_EMMCP_BASE + 0x020C)
  
  /* SMU control defines */
  #define SDMMC_MPSCTRL_SECURE_READ_BIT		BIT(7)
  #define SDMMC_MPSCTRL_SECURE_WRITE_BIT		BIT(6)
  #define SDMMC_MPSCTRL_NON_SECURE_READ_BIT	BIT(5)
  #define SDMMC_MPSCTRL_NON_SECURE_WRITE_BIT	BIT(4)
  #define SDMMC_MPSCTRL_USE_FUSE_KEY		BIT(3)
  #define SDMMC_MPSCTRL_ECB_MODE			BIT(2)
  #define SDMMC_MPSCTRL_ENCRYPTION		BIT(1)
  #define SDMMC_MPSCTRL_VALID			BIT(0)
  
  /* Maximum number of Ending sector */
  #define SDMMC_ENDING_SEC_NR_MAX	0xFFFFFFFF
  
  /* Fixed clock divider */
  #define EXYNOS4210_FIXED_CIU_CLK_DIV	2
  #define EXYNOS4412_FIXED_CIU_CLK_DIV	4
  #define HS400_FIXED_CIU_CLK_DIV		1
  
  /* Minimal required clock frequency for cclkin, unit: HZ */
  #define EXYNOS_CCLKIN_MIN	50000000
  
  #endif /* _DW_MMC_EXYNOS_H_ */