xref: /OK3568_Linux_fs/u-boot/arch/arm/include/asm/arch-tegra/tegra_mmc.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2009 SAMSUNG Electronics
3*4882a593Smuzhiyun  * Minkyu Kang <mk7.kang@samsung.com>
4*4882a593Smuzhiyun  * Portions Copyright (C) 2011-2012 NVIDIA Corporation
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #ifndef __TEGRA_MMC_H_
10*4882a593Smuzhiyun #define __TEGRA_MMC_H_
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <common.h>
13*4882a593Smuzhiyun #include <clk.h>
14*4882a593Smuzhiyun #include <reset.h>
15*4882a593Smuzhiyun #include <fdtdec.h>
16*4882a593Smuzhiyun #include <asm/gpio.h>
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun /* for mmc_config definition */
19*4882a593Smuzhiyun #include <mmc.h>
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun #ifndef __ASSEMBLY__
22*4882a593Smuzhiyun struct tegra_mmc {
23*4882a593Smuzhiyun 	unsigned int	sysad;		/* _SYSTEM_ADDRESS_0 */
24*4882a593Smuzhiyun 	unsigned short	blksize;	/* _BLOCK_SIZE_BLOCK_COUNT_0 15:00 */
25*4882a593Smuzhiyun 	unsigned short	blkcnt;		/* _BLOCK_SIZE_BLOCK_COUNT_0 31:16 */
26*4882a593Smuzhiyun 	unsigned int	argument;	/* _ARGUMENT_0 */
27*4882a593Smuzhiyun 	unsigned short	trnmod;		/* _CMD_XFER_MODE_0 15:00 xfer mode */
28*4882a593Smuzhiyun 	unsigned short	cmdreg;		/* _CMD_XFER_MODE_0 31:16 cmd reg */
29*4882a593Smuzhiyun 	unsigned int	rspreg0;	/* _RESPONSE_R0_R1_0 CMD RESP 31:00 */
30*4882a593Smuzhiyun 	unsigned int	rspreg1;	/* _RESPONSE_R2_R3_0 CMD RESP 63:32 */
31*4882a593Smuzhiyun 	unsigned int	rspreg2;	/* _RESPONSE_R4_R5_0 CMD RESP 95:64 */
32*4882a593Smuzhiyun 	unsigned int	rspreg3;	/* _RESPONSE_R6_R7_0 CMD RESP 127:96 */
33*4882a593Smuzhiyun 	unsigned int	bdata;		/* _BUFFER_DATA_PORT_0 */
34*4882a593Smuzhiyun 	unsigned int	prnsts;		/* _PRESENT_STATE_0 */
35*4882a593Smuzhiyun 	unsigned char	hostctl;	/* _POWER_CONTROL_HOST_0 7:00 */
36*4882a593Smuzhiyun 	unsigned char	pwrcon;		/* _POWER_CONTROL_HOST_0 15:8 */
37*4882a593Smuzhiyun 	unsigned char	blkgap;		/* _POWER_CONTROL_HOST_9 23:16 */
38*4882a593Smuzhiyun 	unsigned char	wakcon;		/* _POWER_CONTROL_HOST_0 31:24 */
39*4882a593Smuzhiyun 	unsigned short	clkcon;		/* _CLOCK_CONTROL_0 15:00 */
40*4882a593Smuzhiyun 	unsigned char	timeoutcon;	/* _TIMEOUT_CTRL 23:16 */
41*4882a593Smuzhiyun 	unsigned char	swrst;		/* _SW_RESET_ 31:24 */
42*4882a593Smuzhiyun 	unsigned int	norintsts;	/* _INTERRUPT_STATUS_0 */
43*4882a593Smuzhiyun 	unsigned int	norintstsen;	/* _INTERRUPT_STATUS_ENABLE_0 */
44*4882a593Smuzhiyun 	unsigned int	norintsigen;	/* _INTERRUPT_SIGNAL_ENABLE_0 */
45*4882a593Smuzhiyun 	unsigned short	acmd12errsts;	/* _AUTO_CMD12_ERR_STATUS_0 15:00 */
46*4882a593Smuzhiyun 	unsigned char	res1[2];	/* _RESERVED 31:16 */
47*4882a593Smuzhiyun 	unsigned int	capareg;	/* _CAPABILITIES_0 */
48*4882a593Smuzhiyun 	unsigned char	res2[4];	/* RESERVED, offset 44h-47h */
49*4882a593Smuzhiyun 	unsigned int	maxcurr;	/* _MAXIMUM_CURRENT_0 */
50*4882a593Smuzhiyun 	unsigned char	res3[4];	/* RESERVED, offset 4Ch-4Fh */
51*4882a593Smuzhiyun 	unsigned short	setacmd12err;	/* offset 50h */
52*4882a593Smuzhiyun 	unsigned short	setinterr;	/* offset 52h */
53*4882a593Smuzhiyun 	unsigned char	admaerr;	/* offset 54h */
54*4882a593Smuzhiyun 	unsigned char	res4[3];	/* RESERVED, offset 55h-57h */
55*4882a593Smuzhiyun 	unsigned long	admaaddr;	/* offset 58h-5Fh */
56*4882a593Smuzhiyun 	unsigned char	res5[0xa0];	/* RESERVED, offset 60h-FBh */
57*4882a593Smuzhiyun 	unsigned short	slotintstatus;	/* offset FCh */
58*4882a593Smuzhiyun 	unsigned short	hcver;		/* HOST Version */
59*4882a593Smuzhiyun 	unsigned int	venclkctl;	/* _VENDOR_CLOCK_CNTRL_0,    100h */
60*4882a593Smuzhiyun 	unsigned int	venspictl;	/* _VENDOR_SPI_CNTRL_0,      104h */
61*4882a593Smuzhiyun 	unsigned int	venspiintsts;	/* _VENDOR_SPI_INT_STATUS_0, 108h */
62*4882a593Smuzhiyun 	unsigned int	venceatactl;	/* _VENDOR_CEATA_CNTRL_0,    10Ch */
63*4882a593Smuzhiyun 	unsigned int	venbootctl;	/* _VENDOR_BOOT_CNTRL_0,     110h */
64*4882a593Smuzhiyun 	unsigned int	venbootacktout;	/* _VENDOR_BOOT_ACK_TIMEOUT, 114h */
65*4882a593Smuzhiyun 	unsigned int	venbootdattout;	/* _VENDOR_BOOT_DAT_TIMEOUT, 118h */
66*4882a593Smuzhiyun 	unsigned int	vendebouncecnt;	/* _VENDOR_DEBOUNCE_COUNT_0, 11Ch */
67*4882a593Smuzhiyun 	unsigned int	venmiscctl;	/* _VENDOR_MISC_CNTRL_0,     120h */
68*4882a593Smuzhiyun 	unsigned int	res6[47];	/* 0x124 ~ 0x1DC */
69*4882a593Smuzhiyun 	unsigned int	sdmemcmppadctl;	/* _SDMEMCOMPPADCTRL_0,      1E0h */
70*4882a593Smuzhiyun 	unsigned int	autocalcfg;	/* _AUTO_CAL_CONFIG_0,       1E4h */
71*4882a593Smuzhiyun 	unsigned int	autocalintval;	/* _AUTO_CAL_INTERVAL_0,     1E8h */
72*4882a593Smuzhiyun 	unsigned int	autocalsts;	/* _AUTO_CAL_STATUS_0,       1ECh */
73*4882a593Smuzhiyun };
74*4882a593Smuzhiyun 
75*4882a593Smuzhiyun #define TEGRA_MMC_PWRCTL_SD_BUS_POWER				(1 << 0)
76*4882a593Smuzhiyun #define TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V1_8			(5 << 1)
77*4882a593Smuzhiyun #define TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V3_0			(6 << 1)
78*4882a593Smuzhiyun #define TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V3_3			(7 << 1)
79*4882a593Smuzhiyun 
80*4882a593Smuzhiyun #define TEGRA_MMC_HOSTCTL_DMASEL_MASK				(3 << 3)
81*4882a593Smuzhiyun #define TEGRA_MMC_HOSTCTL_DMASEL_SDMA				(0 << 3)
82*4882a593Smuzhiyun #define TEGRA_MMC_HOSTCTL_DMASEL_ADMA2_32BIT			(2 << 3)
83*4882a593Smuzhiyun #define TEGRA_MMC_HOSTCTL_DMASEL_ADMA2_64BIT			(3 << 3)
84*4882a593Smuzhiyun 
85*4882a593Smuzhiyun #define TEGRA_MMC_TRNMOD_DMA_ENABLE				(1 << 0)
86*4882a593Smuzhiyun #define TEGRA_MMC_TRNMOD_BLOCK_COUNT_ENABLE			(1 << 1)
87*4882a593Smuzhiyun #define TEGRA_MMC_TRNMOD_DATA_XFER_DIR_SEL_WRITE		(0 << 4)
88*4882a593Smuzhiyun #define TEGRA_MMC_TRNMOD_DATA_XFER_DIR_SEL_READ			(1 << 4)
89*4882a593Smuzhiyun #define TEGRA_MMC_TRNMOD_MULTI_BLOCK_SELECT			(1 << 5)
90*4882a593Smuzhiyun 
91*4882a593Smuzhiyun #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_MASK			(3 << 0)
92*4882a593Smuzhiyun #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_NO_RESPONSE		(0 << 0)
93*4882a593Smuzhiyun #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_LENGTH_136		(1 << 0)
94*4882a593Smuzhiyun #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_LENGTH_48		(2 << 0)
95*4882a593Smuzhiyun #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_LENGTH_48_BUSY	(3 << 0)
96*4882a593Smuzhiyun 
97*4882a593Smuzhiyun #define TEGRA_MMC_TRNMOD_CMD_CRC_CHECK				(1 << 3)
98*4882a593Smuzhiyun #define TEGRA_MMC_TRNMOD_CMD_INDEX_CHECK			(1 << 4)
99*4882a593Smuzhiyun #define TEGRA_MMC_TRNMOD_DATA_PRESENT_SELECT_DATA_TRANSFER	(1 << 5)
100*4882a593Smuzhiyun 
101*4882a593Smuzhiyun #define TEGRA_MMC_PRNSTS_CMD_INHIBIT_CMD			(1 << 0)
102*4882a593Smuzhiyun #define TEGRA_MMC_PRNSTS_CMD_INHIBIT_DAT			(1 << 1)
103*4882a593Smuzhiyun 
104*4882a593Smuzhiyun #define TEGRA_MMC_CLKCON_INTERNAL_CLOCK_ENABLE			(1 << 0)
105*4882a593Smuzhiyun #define TEGRA_MMC_CLKCON_INTERNAL_CLOCK_STABLE			(1 << 1)
106*4882a593Smuzhiyun #define TEGRA_MMC_CLKCON_SD_CLOCK_ENABLE			(1 << 2)
107*4882a593Smuzhiyun 
108*4882a593Smuzhiyun #define TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_SHIFT			8
109*4882a593Smuzhiyun #define TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_MASK			(0xff << 8)
110*4882a593Smuzhiyun 
111*4882a593Smuzhiyun #define TEGRA_MMC_MISCON_ENABLE_EXT_LOOPBACK			(1 << 17)
112*4882a593Smuzhiyun 
113*4882a593Smuzhiyun #define TEGRA_MMC_SWRST_SW_RESET_FOR_ALL			(1 << 0)
114*4882a593Smuzhiyun #define TEGRA_MMC_SWRST_SW_RESET_FOR_CMD_LINE			(1 << 1)
115*4882a593Smuzhiyun #define TEGRA_MMC_SWRST_SW_RESET_FOR_DAT_LINE			(1 << 2)
116*4882a593Smuzhiyun 
117*4882a593Smuzhiyun #define TEGRA_MMC_NORINTSTS_CMD_COMPLETE			(1 << 0)
118*4882a593Smuzhiyun #define TEGRA_MMC_NORINTSTS_XFER_COMPLETE			(1 << 1)
119*4882a593Smuzhiyun #define TEGRA_MMC_NORINTSTS_DMA_INTERRUPT			(1 << 3)
120*4882a593Smuzhiyun #define TEGRA_MMC_NORINTSTS_ERR_INTERRUPT			(1 << 15)
121*4882a593Smuzhiyun #define TEGRA_MMC_NORINTSTS_CMD_TIMEOUT				(1 << 16)
122*4882a593Smuzhiyun 
123*4882a593Smuzhiyun #define TEGRA_MMC_NORINTSTSEN_CMD_COMPLETE			(1 << 0)
124*4882a593Smuzhiyun #define TEGRA_MMC_NORINTSTSEN_XFER_COMPLETE			(1 << 1)
125*4882a593Smuzhiyun #define TEGRA_MMC_NORINTSTSEN_DMA_INTERRUPT			(1 << 3)
126*4882a593Smuzhiyun #define TEGRA_MMC_NORINTSTSEN_BUFFER_WRITE_READY		(1 << 4)
127*4882a593Smuzhiyun #define TEGRA_MMC_NORINTSTSEN_BUFFER_READ_READY			(1 << 5)
128*4882a593Smuzhiyun 
129*4882a593Smuzhiyun #define TEGRA_MMC_NORINTSIGEN_XFER_COMPLETE			(1 << 1)
130*4882a593Smuzhiyun 
131*4882a593Smuzhiyun /* SDMMC1/3 settings from section 24.6 of T30 TRM */
132*4882a593Smuzhiyun #define MEMCOMP_PADCTRL_VREF	7
133*4882a593Smuzhiyun #define AUTO_CAL_ENABLED	(1 << 29)
134*4882a593Smuzhiyun #define AUTO_CAL_PD_OFFSET	(0x70 << 8)
135*4882a593Smuzhiyun #define AUTO_CAL_PU_OFFSET	(0x62 << 0)
136*4882a593Smuzhiyun 
137*4882a593Smuzhiyun #endif	/* __ASSEMBLY__ */
138*4882a593Smuzhiyun #endif	/* __TEGRA_MMC_H_ */
139