mirror of
https://github.com/AsahiLinux/u-boot
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1727e21698
This Patch do support 8-bit bus width for s5p So we add parameter for bus_width (in s5p_mmc_init(), s5p_mmc_initialize()) If want to use 8-bit bus width, only change (0, 8) instead of (0, 4). Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
71 lines
2 KiB
C
71 lines
2 KiB
C
/*
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* (C) Copyright 2009 SAMSUNG Electronics
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* Minkyu Kang <mk7.kang@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __ASM_ARCH_MMC_H_
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#define __ASM_ARCH_MMC_H_
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#ifndef __ASSEMBLY__
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struct s5p_mmc {
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unsigned int sysad;
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unsigned short blksize;
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unsigned short blkcnt;
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unsigned int argument;
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unsigned short trnmod;
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unsigned short cmdreg;
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unsigned int rspreg0;
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unsigned int rspreg1;
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unsigned int rspreg2;
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unsigned int rspreg3;
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unsigned int bdata;
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unsigned int prnsts;
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unsigned char hostctl;
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unsigned char pwrcon;
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unsigned char blkgap;
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unsigned char wakcon;
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unsigned short clkcon;
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unsigned char timeoutcon;
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unsigned char swrst;
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unsigned int norintsts; /* errintsts */
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unsigned int norintstsen; /* errintstsen */
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unsigned int norintsigen; /* errintsigen */
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unsigned short acmd12errsts;
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unsigned char res1[2];
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unsigned int capareg;
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unsigned char res2[4];
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unsigned int maxcurr;
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unsigned char res3[0x34];
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unsigned int control2;
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unsigned int control3;
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unsigned int control4;
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unsigned char res4[0x6e];
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unsigned short hcver;
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unsigned char res5[0xFFF02];
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};
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struct mmc_host {
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struct s5p_mmc *reg;
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unsigned int version; /* SDHCI spec. version */
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unsigned int clock; /* Current clock (MHz) */
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};
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int s5p_mmc_init(int dev_index, int bus_width);
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#endif /* __ASSEMBLY__ */
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#endif
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