S5P: support mmc driver

This patch adds support mmc driver for s5p SoC

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

1 files changed, 71 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-s5pc1xx/mmc.h b/arch/arm/include/asm/arch-s5pc1xx/mmc.h
new file mode 100644
index 0000000..ac560c2
--- /dev/null
+++ b/arch/arm/include/asm/arch-s5pc1xx/mmc.h
@@ -0,0 +1,71 @@
+/*
+ * (C) Copyright 2009 SAMSUNG Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * 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.
+ *
+ * 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 __ASM_ARCH_MMC_H_
+#define __ASM_ARCH_MMC_H_
+
+#ifndef __ASSEMBLY__
+struct s5p_mmc {
+	unsigned int	sysad;
+	unsigned short	blksize;
+	unsigned short	blkcnt;
+	unsigned int	argument;
+	unsigned short	trnmod;
+	unsigned short	cmdreg;
+	unsigned int	rspreg0;
+	unsigned int	rspreg1;
+	unsigned int	rspreg2;
+	unsigned int	rspreg3;
+	unsigned int	bdata;
+	unsigned int	prnsts;
+	unsigned char	hostctl;
+	unsigned char	pwrcon;
+	unsigned char	blkgap;
+	unsigned char	wakcon;
+	unsigned short	clkcon;
+	unsigned char	timeoutcon;
+	unsigned char	swrst;
+	unsigned int	norintsts;	/* errintsts */
+	unsigned int	norintstsen;	/* errintstsen */
+	unsigned int	norintsigen;	/* errintsigen */
+	unsigned short	acmd12errsts;
+	unsigned char	res1[2];
+	unsigned int	capareg;
+	unsigned char	res2[4];
+	unsigned int	maxcurr;
+	unsigned char	res3[0x34];
+	unsigned int	control2;
+	unsigned int	control3;
+	unsigned int	control4;
+	unsigned char	res4[0x6e];
+	unsigned short	hcver;
+	unsigned char	res5[0xFFF00];
+};
+
+struct mmc_host {
+	struct s5p_mmc *reg;
+	unsigned int version;	/* SDHCI spec. version */
+	unsigned int clock;	/* Current clock (MHz) */
+};
+
+int s5p_mmc_init(int dev_index);
+
+#endif	/* __ASSEMBLY__ */
+#endif