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  • /*
     * (C) Copyright 2008
     * Texas Instruments, <www.ti.com>
     * Syed Mohammed Khasim <khasim@ti.com>
     *
     * See file CREDITS for list of people who contributed to this
     * project.
     *
     * 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's version 2 of
     * the License.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
     * MA 02111-1307 USA
     */
    
    #ifndef OMAP_MMC_H_
    #define OMAP_MMC_H_
    
    struct hsmmc {
    	unsigned char res1[0x10];
    	unsigned int sysconfig;		/* 0x10 */
    	unsigned int sysstatus;		/* 0x14 */
    	unsigned char res2[0x14];
    	unsigned int con;		/* 0x2C */
    	unsigned char res3[0xD4];
    	unsigned int blk;		/* 0x104 */
    	unsigned int arg;		/* 0x108 */
    	unsigned int cmd;		/* 0x10C */
    	unsigned int rsp10;		/* 0x110 */
    	unsigned int rsp32;		/* 0x114 */
    	unsigned int rsp54;		/* 0x118 */
    	unsigned int rsp76;		/* 0x11C */
    	unsigned int data;		/* 0x120 */
    	unsigned int pstate;		/* 0x124 */
    	unsigned int hctl;		/* 0x128 */
    	unsigned int sysctl;		/* 0x12C */
    	unsigned int stat;		/* 0x130 */
    	unsigned int ie;		/* 0x134 */
    	unsigned char res4[0x8];
    	unsigned int capa;		/* 0x140 */
    };
    
    /*
     * OMAP HS MMC Bit definitions
     */
    #define MMC_SOFTRESET			(0x1 << 1)
    #define RESETDONE			(0x1 << 0)
    #define NOOPENDRAIN			(0x0 << 0)
    #define OPENDRAIN			(0x1 << 0)
    #define OD				(0x1 << 0)
    #define INIT_NOINIT			(0x0 << 1)
    #define INIT_INITSTREAM			(0x1 << 1)
    #define HR_NOHOSTRESP			(0x0 << 2)
    #define STR_BLOCK			(0x0 << 3)
    #define MODE_FUNC			(0x0 << 4)
    #define DW8_1_4BITMODE			(0x0 << 5)
    #define MIT_CTO				(0x0 << 6)
    #define CDP_ACTIVEHIGH			(0x0 << 7)
    #define WPP_ACTIVEHIGH			(0x0 << 8)
    #define RESERVED_MASK			(0x3 << 9)
    #define CTPL_MMC_SD			(0x0 << 11)
    #define BLEN_512BYTESLEN		(0x200 << 0)
    #define NBLK_STPCNT			(0x0 << 16)
    #define DE_DISABLE			(0x0 << 0)
    #define BCE_DISABLE			(0x0 << 1)
    #define BCE_ENABLE			(0x1 << 1)
    #define ACEN_DISABLE			(0x0 << 2)
    #define DDIR_OFFSET			(4)
    #define DDIR_MASK			(0x1 << 4)
    #define DDIR_WRITE			(0x0 << 4)
    #define DDIR_READ			(0x1 << 4)
    #define MSBS_SGLEBLK			(0x0 << 5)
    #define MSBS_MULTIBLK			(0x1 << 5)
    #define RSP_TYPE_OFFSET			(16)
    #define RSP_TYPE_MASK			(0x3 << 16)
    #define RSP_TYPE_NORSP			(0x0 << 16)
    #define RSP_TYPE_LGHT136		(0x1 << 16)
    #define RSP_TYPE_LGHT48			(0x2 << 16)
    #define RSP_TYPE_LGHT48B		(0x3 << 16)
    #define CCCE_NOCHECK			(0x0 << 19)
    #define CCCE_CHECK			(0x1 << 19)
    #define CICE_NOCHECK			(0x0 << 20)
    #define CICE_CHECK			(0x1 << 20)
    #define DP_OFFSET			(21)
    #define DP_MASK				(0x1 << 21)
    #define DP_NO_DATA			(0x0 << 21)
    #define DP_DATA				(0x1 << 21)
    #define CMD_TYPE_NORMAL			(0x0 << 22)
    #define INDEX_OFFSET			(24)
    #define INDEX_MASK			(0x3f << 24)
    #define INDEX(i)			(i << 24)
    #define DATI_MASK			(0x1 << 1)
    #define CMDI_MASK			(0x1 << 0)
    #define DTW_1_BITMODE			(0x0 << 1)
    #define DTW_4_BITMODE			(0x1 << 1)
    #define DTW_8_BITMODE                   (0x1 << 5) /* CON[DW8]*/
    #define SDBP_PWROFF			(0x0 << 8)
    #define SDBP_PWRON			(0x1 << 8)
    #define SDVS_1V8			(0x5 << 9)
    #define SDVS_3V0			(0x6 << 9)
    #define ICE_MASK			(0x1 << 0)
    #define ICE_STOP			(0x0 << 0)
    #define ICS_MASK			(0x1 << 1)
    #define ICS_NOTREADY			(0x0 << 1)
    #define ICE_OSCILLATE			(0x1 << 0)
    #define CEN_MASK			(0x1 << 2)
    #define CEN_DISABLE			(0x0 << 2)
    #define CEN_ENABLE			(0x1 << 2)
    #define CLKD_OFFSET			(6)
    #define CLKD_MASK			(0x3FF << 6)
    #define DTO_MASK			(0xF << 16)
    #define DTO_15THDTO			(0xE << 16)
    #define SOFTRESETALL			(0x1 << 24)
    #define CC_MASK				(0x1 << 0)
    #define TC_MASK				(0x1 << 1)
    #define BWR_MASK			(0x1 << 4)
    #define BRR_MASK			(0x1 << 5)
    #define ERRI_MASK			(0x1 << 15)
    #define IE_CC				(0x01 << 0)
    #define IE_TC				(0x01 << 1)
    #define IE_BWR				(0x01 << 4)
    #define IE_BRR				(0x01 << 5)
    #define IE_CTO				(0x01 << 16)
    #define IE_CCRC				(0x01 << 17)
    #define IE_CEB				(0x01 << 18)
    #define IE_CIE				(0x01 << 19)
    #define IE_DTO				(0x01 << 20)
    #define IE_DCRC				(0x01 << 21)
    #define IE_DEB				(0x01 << 22)
    #define IE_CERR				(0x01 << 28)
    #define IE_BADA				(0x01 << 29)
    
    #define VS30_3V0SUP			(1 << 25)
    #define VS18_1V8SUP			(1 << 26)
    
    /* Driver definitions */
    #define MMCSD_SECTOR_SIZE		512
    #define MMC_CARD			0
    #define SD_CARD				1
    #define BYTE_MODE			0
    #define SECTOR_MODE			1
    #define CLK_INITSEQ			0
    #define CLK_400KHZ			1
    #define CLK_MISC			2
    
    #define RSP_TYPE_NONE	(RSP_TYPE_NORSP   | CCCE_NOCHECK | CICE_NOCHECK)
    #define MMC_CMD0	(INDEX(0)  | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
    
    /* Clock Configurations and Macros */
    #define MMC_CLOCK_REFERENCE	96 /* MHz */
    
    #define mmc_reg_out(addr, mask, val)\
    	writel((readl(addr) & (~(mask))) | ((val) & (mask)), (addr))
    
    
    int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
    		int wp_gpio);
    
    
    
    #endif /* OMAP_MMC_H_ */