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authorOlof Johansson <olof@lixom.net>2012-09-22 00:22:33 -0700
committerOlof Johansson <olof@lixom.net>2012-09-22 01:07:21 -0700
commite3a66aa33a8f06924f67770e15c22a5c52df314e (patch)
treefb8786f1300bdce8f6fc7462e3fd5699e057dd24 /include/linux/platform_data/mtd-davinci.h
parentbe2109e13fc6f017040c57615acfe1065723687b (diff)
parent6884b680459ab850f99fc37605084187bc9888ac (diff)
Merge branch 'multiplatform/platform-data' into next/multiplatform
* multiplatform/platform-data: ARM: spear: move platform_data definitions ARM: samsung: move platform_data definitions ARM: orion: move platform_data definitions ARM: nomadik: move platform_data definitions ARM: w90x900: move platform_data definitions ARM: vt8500: move platform_data definitions ARM: tegra: move sdhci platform_data definition ARM: sa1100: move platform_data definitions ARM: pxa: move platform_data definitions ARM: netx: move platform_data definitions ARM: msm: move platform_data definitions ARM: imx: move platform_data definitions ARM: ep93xx: move platform_data definitions ARM: davinci: move platform_data definitions ARM: at91: move platform_data definitions Conflicts due to removed files: arch/arm/mach-tegra/board-harmony.c arch/arm/mach-tegra/board-trimslice.c Conflicts due to code removal: arch/arm/mach-tegra/board-paz00.c Context conflicts in: drivers/mmc/host/sdhci-tegra.c drivers/net/irda/pxaficp_ir.c Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'include/linux/platform_data/mtd-davinci.h')
-rw-r--r--include/linux/platform_data/mtd-davinci.h90
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 00000000000..1cf555aef89
--- /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 */