1 files changed, 90 insertions, 0 deletions

diff --git a/include/linux/platform_data/mtd-davinci.h b/include/linux/platform_data/mtd-davinci.h
new file mode 100644
index 000000000000..1cf555aef896
--- /dev/null
+++ b/include/linux/platform_data/mtd-davinci.h
@@ -0,0 +1,90 @@
+/*
+ * mach-davinci/nand.h
+ *
+ * Copyright © 2006 Texas Instruments.
+ *
+ * Ported to 2.6.23 Copyright © 2008 by
+ *   Sander Huijsen <Shuijsen@optelecom-nkf.com>
+ *   Troy Kisky <troy.kisky@boundarydevices.com>
+ *   Dirk Behme <Dirk.Behme@gmail.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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ARCH_ARM_DAVINCI_NAND_H
+#define __ARCH_ARM_DAVINCI_NAND_H
+
+#include <linux/mtd/nand.h>
+
+#define NANDFCR_OFFSET          0x60
+#define NANDFSR_OFFSET          0x64
+#define NANDF1ECC_OFFSET        0x70
+
+/* 4-bit ECC syndrome registers */
+#define NAND_4BIT_ECC_LOAD_OFFSET       0xbc
+#define NAND_4BIT_ECC1_OFFSET           0xc0
+#define NAND_4BIT_ECC2_OFFSET           0xc4
+#define NAND_4BIT_ECC3_OFFSET           0xc8
+#define NAND_4BIT_ECC4_OFFSET           0xcc
+#define NAND_ERR_ADD1_OFFSET            0xd0
+#define NAND_ERR_ADD2_OFFSET            0xd4
+#define NAND_ERR_ERRVAL1_OFFSET         0xd8
+#define NAND_ERR_ERRVAL2_OFFSET         0xdc
+
+/* NOTE:  boards don't need to use these address bits
+ * for ALE/CLE unless they support booting from NAND.
+ * They're used unless platform data overrides them.
+ */
+#define MASK_ALE                0x08
+#define MASK_CLE                0x10
+
+struct davinci_nand_pdata {             /* platform_data */
+        uint32_t                mask_ale;
+        uint32_t                mask_cle;
+
+        /* for packages using two chipselects */
+        uint32_t                mask_chipsel;
+
+        /* board's default static partition info */
+        struct mtd_partition    *parts;
+        unsigned                nr_parts;
+
+        /* none  == NAND_ECC_NONE (strongly *not* advised!!)
+         * soft  == NAND_ECC_SOFT
+         * else  == NAND_ECC_HW, according to ecc_bits
+         *
+         * All DaVinci-family chips support 1-bit hardware ECC.
+         * Newer ones also support 4-bit ECC, but are awkward
+         * using it with large page chips.
+         */
+        nand_ecc_modes_t        ecc_mode;
+        u8                      ecc_bits;
+
+        /* e.g. NAND_BUSWIDTH_16 */
+        unsigned                options;
+        /* e.g. NAND_BBT_USE_FLASH */
+        unsigned                bbt_options;
+
+        /* Main and mirror bbt descriptor overrides */
+        struct nand_bbt_descr   *bbt_td;
+        struct nand_bbt_descr   *bbt_md;
+
+        /* Access timings */
+        struct davinci_aemif_timing     *timing;
+};
+
+#endif  /* __ARCH_ARM_DAVINCI_NAND_H */