* (C) Copyright 2009 SAMSUNG Electronics
* Minkyu Kang <mk7.kang@samsung.com>
*
- * SPDX-License-Identifier: GPL-2.0+
+ * 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_
-#define S5P_MMC_DEV_OFFSET 0x100000
-
-#define SDHCI_CONTROL2 0x80
-#define SDHCI_CONTROL3 0x84
-#define SDHCI_CONTROL4 0x8C
-
-#define SDHCI_CTRL2_ENSTAASYNCCLR (1 << 31)
-#define SDHCI_CTRL2_ENCMDCNFMSK (1 << 30)
-#define SDHCI_CTRL2_CDINVRXD3 (1 << 29)
-#define SDHCI_CTRL2_SLCARDOUT (1 << 28)
-
-#define SDHCI_CTRL2_FLTCLKSEL_MASK (0xf << 24)
-#define SDHCI_CTRL2_FLTCLKSEL_SHIFT (24)
-#define SDHCI_CTRL2_FLTCLKSEL(_x) ((_x) << 24)
+#define RX_DELAY1 ((0 << 15) | (1 << 7))
+#define RX_DELAY2 ((1 << 15) | (1 << 7))
+#define RX_DELAY3 ((0 << 15) | (0 << 7))
+#define RX_DELAY4 ((1 << 15) | (0 << 7))
-#define SDHCI_CTRL2_LVLDAT_MASK (0xff << 16)
-#define SDHCI_CTRL2_LVLDAT_SHIFT (16)
-#define SDHCI_CTRL2_LVLDAT(_x) ((_x) << 16)
+#define TX_DELAY1 (RX_DELAY1 << 16)
+#define TX_DELAY2 (RX_DELAY2 << 16)
+#define TX_DELAY3 (RX_DELAY3 << 16)
+#define TX_DELAY4 (RX_DELAY4 << 16)
-#define SDHCI_CTRL2_ENFBCLKTX (1 << 15)
-#define SDHCI_CTRL2_ENFBCLKRX (1 << 14)
-#define SDHCI_CTRL2_SDCDSEL (1 << 13)
-#define SDHCI_CTRL2_SDSIGPC (1 << 12)
-#define SDHCI_CTRL2_ENBUSYCHKTXSTART (1 << 11)
+#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 char res4[4];
+ unsigned int control4;
+ unsigned char res5[0x6e];
+ unsigned short hcver;
+ unsigned char res6[0xFFF00];
+};
-#define SDHCI_CTRL2_DFCNT_MASK(_x) ((_x) << 9)
-#define SDHCI_CTRL2_DFCNT_SHIFT (9)
-
-#define SDHCI_CTRL2_ENCLKOUTHOLD (1 << 8)
-#define SDHCI_CTRL2_RWAITMODE (1 << 7)
-#define SDHCI_CTRL2_DISBUFRD (1 << 6)
-#define SDHCI_CTRL2_SELBASECLK_MASK(_x) ((_x) << 4)
-#define SDHCI_CTRL2_SELBASECLK_SHIFT (4)
-#define SDHCI_CTRL2_PWRSYNC (1 << 3)
-#define SDHCI_CTRL2_ENCLKOUTMSKCON (1 << 1)
-#define SDHCI_CTRL2_HWINITFIN (1 << 0)
-
-#define SDHCI_CTRL3_FCSEL3 (1 << 31)
-#define SDHCI_CTRL3_FCSEL2 (1 << 23)
-#define SDHCI_CTRL3_FCSEL1 (1 << 15)
-#define SDHCI_CTRL3_FCSEL0 (1 << 7)
-
-#define SDHCI_CTRL4_DRIVE_MASK(_x) ((_x) << 16)
-#define SDHCI_CTRL4_DRIVE_SHIFT (16)
-
-int s5p_sdhci_init(u32 regbase, int index, int bus_width);
+struct mmc_host {
+ struct s5p_mmc *reg;
+ unsigned int version; /* SDHCI spec. version */
+ unsigned int clock; /* Current clock (MHz) */
+ int dev_index;
+#ifdef CONFIG_MMC_ASYNC_WRITE
+ int async_write;
+ int async_on;
+#endif
+};
-static inline int s5p_mmc_init(int index, int bus_width)
-{
- unsigned int base = samsung_get_base_mmc() +
- (S5P_MMC_DEV_OFFSET * index);
+int s5p_mmc_init(int dev_index, int bus_width);
- return s5p_sdhci_init(base, index, bus_width);
-}
+#endif /* __ASSEMBLY__ */
#endif
projects / platform / kernel / u-boot.git / blobdiff