xref: /linux/drivers/mmc/host/dw_mmc-exynos.h (revision 801131321a0c53052084c10144dc07a061229f3f)
10b5fce48SSeungwon Jeon /*
20b5fce48SSeungwon Jeon  * Exynos Specific Extensions for Synopsys DW Multimedia Card Interface driver
30b5fce48SSeungwon Jeon  *
40b5fce48SSeungwon Jeon  * Copyright (C) 2012-2014 Samsung Electronics Co., Ltd.
50b5fce48SSeungwon Jeon  *
60b5fce48SSeungwon Jeon  * This program is free software; you can redistribute it and/or modify
70b5fce48SSeungwon Jeon  * it under the terms of the GNU General Public License as published by
80b5fce48SSeungwon Jeon  * the Free Software Foundation; either version 2 of the License, or
90b5fce48SSeungwon Jeon  * (at your option) any later version.
100b5fce48SSeungwon Jeon  */
110b5fce48SSeungwon Jeon 
120b5fce48SSeungwon Jeon #ifndef _DW_MMC_EXYNOS_H_
130b5fce48SSeungwon Jeon #define _DW_MMC_EXYNOS_H_
140b5fce48SSeungwon Jeon 
150b5fce48SSeungwon Jeon #define SDMMC_CLKSEL			0x09C
160b5fce48SSeungwon Jeon #define SDMMC_CLKSEL64			0x0A8
170b5fce48SSeungwon Jeon 
18*80113132SSeungwon Jeon /* Extended Register's Offset */
19*80113132SSeungwon Jeon #define SDMMC_HS400_DQS_EN		0x180
20*80113132SSeungwon Jeon #define SDMMC_HS400_ASYNC_FIFO_CTRL	0x184
21*80113132SSeungwon Jeon #define SDMMC_HS400_DLINE_CTRL		0x188
22*80113132SSeungwon Jeon 
230b5fce48SSeungwon Jeon /* CLKSEL register defines */
240b5fce48SSeungwon Jeon #define SDMMC_CLKSEL_CCLK_SAMPLE(x)	(((x) & 7) << 0)
250b5fce48SSeungwon Jeon #define SDMMC_CLKSEL_CCLK_DRIVE(x)	(((x) & 7) << 16)
260b5fce48SSeungwon Jeon #define SDMMC_CLKSEL_CCLK_DIVIDER(x)	(((x) & 7) << 24)
270b5fce48SSeungwon Jeon #define SDMMC_CLKSEL_GET_DRV_WD3(x)	(((x) >> 16) & 0x7)
28*80113132SSeungwon Jeon #define SDMMC_CLKSEL_GET_DIV(x)		(((x) >> 24) & 0x7)
29*80113132SSeungwon Jeon #define SDMMC_CLKSEL_UP_SAMPLE(x, y)	(((x) & ~SDMMC_CLKSEL_CCLK_SAMPLE(7)) |\
30*80113132SSeungwon Jeon 					 SDMMC_CLKSEL_CCLK_SAMPLE(y))
310b5fce48SSeungwon Jeon #define SDMMC_CLKSEL_TIMING(x, y, z)	(SDMMC_CLKSEL_CCLK_SAMPLE(x) |	\
320b5fce48SSeungwon Jeon 					 SDMMC_CLKSEL_CCLK_DRIVE(y) |	\
330b5fce48SSeungwon Jeon 					 SDMMC_CLKSEL_CCLK_DIVIDER(z))
34*80113132SSeungwon Jeon #define SDMMC_CLKSEL_TIMING_MASK	SDMMC_CLKSEL_TIMING(0x7, 0x7, 0x7)
350b5fce48SSeungwon Jeon #define SDMMC_CLKSEL_WAKEUP_INT		BIT(11)
360b5fce48SSeungwon Jeon 
37*80113132SSeungwon Jeon /* RCLK_EN register defines */
38*80113132SSeungwon Jeon #define DATA_STROBE_EN			BIT(0)
39*80113132SSeungwon Jeon #define AXI_NON_BLOCKING_WR	BIT(7)
40*80113132SSeungwon Jeon 
41*80113132SSeungwon Jeon /* DLINE_CTRL register defines */
42*80113132SSeungwon Jeon #define DQS_CTRL_RD_DELAY(x, y)		(((x) & ~0x3FF) | ((y) & 0x3FF))
43*80113132SSeungwon Jeon #define DQS_CTRL_GET_RD_DELAY(x)	((x) & 0x3FF)
44*80113132SSeungwon Jeon 
450b5fce48SSeungwon Jeon /* Protector Register */
460b5fce48SSeungwon Jeon #define SDMMC_EMMCP_BASE	0x1000
470b5fce48SSeungwon Jeon #define SDMMC_MPSECURITY	(SDMMC_EMMCP_BASE + 0x0010)
480b5fce48SSeungwon Jeon #define SDMMC_MPSBEGIN0		(SDMMC_EMMCP_BASE + 0x0200)
490b5fce48SSeungwon Jeon #define SDMMC_MPSEND0		(SDMMC_EMMCP_BASE + 0x0204)
500b5fce48SSeungwon Jeon #define SDMMC_MPSCTRL0		(SDMMC_EMMCP_BASE + 0x020C)
510b5fce48SSeungwon Jeon 
520b5fce48SSeungwon Jeon /* SMU control defines */
530b5fce48SSeungwon Jeon #define SDMMC_MPSCTRL_SECURE_READ_BIT		BIT(7)
540b5fce48SSeungwon Jeon #define SDMMC_MPSCTRL_SECURE_WRITE_BIT		BIT(6)
550b5fce48SSeungwon Jeon #define SDMMC_MPSCTRL_NON_SECURE_READ_BIT	BIT(5)
560b5fce48SSeungwon Jeon #define SDMMC_MPSCTRL_NON_SECURE_WRITE_BIT	BIT(4)
570b5fce48SSeungwon Jeon #define SDMMC_MPSCTRL_USE_FUSE_KEY		BIT(3)
580b5fce48SSeungwon Jeon #define SDMMC_MPSCTRL_ECB_MODE			BIT(2)
590b5fce48SSeungwon Jeon #define SDMMC_MPSCTRL_ENCRYPTION		BIT(1)
600b5fce48SSeungwon Jeon #define SDMMC_MPSCTRL_VALID			BIT(0)
610b5fce48SSeungwon Jeon 
620b5fce48SSeungwon Jeon /* Maximum number of Ending sector */
630b5fce48SSeungwon Jeon #define SDMMC_ENDING_SEC_NR_MAX	0xFFFFFFFF
640b5fce48SSeungwon Jeon 
650b5fce48SSeungwon Jeon /* Fixed clock divider */
660b5fce48SSeungwon Jeon #define EXYNOS4210_FIXED_CIU_CLK_DIV	2
670b5fce48SSeungwon Jeon #define EXYNOS4412_FIXED_CIU_CLK_DIV	4
68*80113132SSeungwon Jeon #define HS400_FIXED_CIU_CLK_DIV		1
690b5fce48SSeungwon Jeon 
700b5fce48SSeungwon Jeon /* Minimal required clock frequency for cclkin, unit: HZ */
710b5fce48SSeungwon Jeon #define EXYNOS_CCLKIN_MIN	50000000
720b5fce48SSeungwon Jeon 
730b5fce48SSeungwon Jeon #endif /* _DW_MMC_EXYNOS_H_ */
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