Initial import

1 files changed, 84 insertions, 0 deletions

diff --git a/include/linux/platform_data/mtd-nand-omap2.h b/include/linux/platform_data/mtd-nand-omap2.h
new file mode 100644
index 000000000..090bbab01
--- /dev/null
+++ b/include/linux/platform_data/mtd-nand-omap2.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2006 Micron Technology Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef	_MTD_NAND_OMAP2_H
+#define	_MTD_NAND_OMAP2_H
+
+#include <linux/mtd/partitions.h>
+
+#define	GPMC_BCH_NUM_REMAINDER	8
+
+enum nand_io {
+	NAND_OMAP_PREFETCH_POLLED = 0,	/* prefetch polled mode, default */
+	NAND_OMAP_POLLED,		/* polled mode, without prefetch */
+	NAND_OMAP_PREFETCH_DMA,		/* prefetch enabled sDMA mode */
+	NAND_OMAP_PREFETCH_IRQ		/* prefetch enabled irq mode */
+};
+
+enum omap_ecc {
+	/*
+	 * 1-bit ECC: calculation and correction by SW
+	 * ECC stored at end of spare area
+	 */
+	OMAP_ECC_HAM1_CODE_SW = 0,
+
+	/*
+	 * 1-bit ECC: calculation by GPMC, Error detection by Software
+	 * ECC layout compatible with ROM code layout
+	 */
+	OMAP_ECC_HAM1_CODE_HW,
+	/* 4-bit  ECC calculation by GPMC, Error detection by Software */
+	OMAP_ECC_BCH4_CODE_HW_DETECTION_SW,
+	/* 4-bit  ECC calculation by GPMC, Error detection by ELM */
+	OMAP_ECC_BCH4_CODE_HW,
+	/* 8-bit  ECC calculation by GPMC, Error detection by Software */
+	OMAP_ECC_BCH8_CODE_HW_DETECTION_SW,
+	/* 8-bit  ECC calculation by GPMC, Error detection by ELM */
+	OMAP_ECC_BCH8_CODE_HW,
+	/* 16-bit ECC calculation by GPMC, Error detection by ELM */
+	OMAP_ECC_BCH16_CODE_HW,
+};
+
+struct gpmc_nand_regs {
+	void __iomem	*gpmc_status;
+	void __iomem	*gpmc_nand_command;
+	void __iomem	*gpmc_nand_address;
+	void __iomem	*gpmc_nand_data;
+	void __iomem	*gpmc_prefetch_config1;
+	void __iomem	*gpmc_prefetch_config2;
+	void __iomem	*gpmc_prefetch_control;
+	void __iomem	*gpmc_prefetch_status;
+	void __iomem	*gpmc_ecc_config;
+	void __iomem	*gpmc_ecc_control;
+	void __iomem	*gpmc_ecc_size_config;
+	void __iomem	*gpmc_ecc1_result;
+	void __iomem	*gpmc_bch_result0[GPMC_BCH_NUM_REMAINDER];
+	void __iomem	*gpmc_bch_result1[GPMC_BCH_NUM_REMAINDER];
+	void __iomem	*gpmc_bch_result2[GPMC_BCH_NUM_REMAINDER];
+	void __iomem	*gpmc_bch_result3[GPMC_BCH_NUM_REMAINDER];
+	void __iomem	*gpmc_bch_result4[GPMC_BCH_NUM_REMAINDER];
+	void __iomem	*gpmc_bch_result5[GPMC_BCH_NUM_REMAINDER];
+	void __iomem	*gpmc_bch_result6[GPMC_BCH_NUM_REMAINDER];
+};
+
+struct omap_nand_platform_data {
+	int			cs;
+	struct mtd_partition	*parts;
+	int			nr_parts;
+	bool			dev_ready;
+	bool			flash_bbt;
+	enum nand_io		xfer_type;
+	int			devsize;
+	enum omap_ecc           ecc_opt;
+	struct gpmc_nand_regs	reg;
+
+	/* for passing the partitions */
+	struct device_node	*of_node;
+	struct device_node	*elm_of_node;
+};
+#endif