cregit-Linux how code gets into the kernel

Release 4.7 drivers/mmc/host/dw_mmc-exynos.h

Directory: drivers/mmc/host
/*
 * 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_ */

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Directory: drivers/mmc/host
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