[MTD] NAND sharpsl.c: Add support for akita and borzoi models (87c146dc) · Commits · 戴 / test

drivers/mtd/nand/sharpsl.c

+24 −3

Original line number	Diff line number	Diff line
		@@ -3,7 +3,7 @@
		*
		* Copyright (C) 2004 Richard Purdie
		*
		* $Id: sharpsl.c,v 1.4 2005/01/23 11:09:19 rpurdie Exp $
		* $Id: sharpsl.c,v 1.6 2005/11/03 11:36:42 rpurdie Exp $
		*
		* Based on Sharp's NAND driver sharp_sl.c
		*
		@@ -115,6 +115,23 @@ static struct nand_bbt_descr sharpsl_bbt = {
		.pattern = scan_ff_pattern
		};

		static struct nand_bbt_descr sharpsl_akita_bbt = {
		.options = 0,
		.offs = 4,
		.len = 1,
		.pattern = scan_ff_pattern
		};

		static struct nand_oobinfo akita_oobinfo = {
		.useecc = MTD_NANDECC_AUTOPLACE,
		.eccbytes = 24,
		.eccpos = {
		0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
		0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
		0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
		.oobfree = { {0x08, 0x09} }
		};

		static int
		sharpsl_nand_dev_ready(struct mtd_info* mtd)
		{
		@@ -194,10 +211,14 @@ sharpsl_nand_init(void)
		this->chip_delay = 15;
		/* set eccmode using hardware ECC */
		this->eccmode = NAND_ECC_HW3_256;
		this->badblock_pattern = &sharpsl_bbt;
		if (machine_is_akita() \|\| machine_is_borzoi()) {
		this->badblock_pattern = &sharpsl_akita_bbt;
		this->autooob = &akita_oobinfo;
		}
		this->enable_hwecc = sharpsl_nand_enable_hwecc;
		this->calculate_ecc = sharpsl_nand_calculate_ecc;
		this->correct_data = nand_correct_data;
		this->badblock_pattern = &sharpsl_bbt;

		/* Scan to find existence of the device */
		err=nand_scan(sharpsl_mtd,1);
		@@ -230,7 +251,7 @@ sharpsl_nand_init(void)
		}
		}

		if (machine_is_husky() \|\| machine_is_borzoi()) {
		if (machine_is_husky() \|\| machine_is_borzoi() \|\| machine_is_akita()) {
		/* Need to use small eraseblock size for backward compatibility */
		sharpsl_mtd->flags \|= MTD_NO_VIRTBLOCKS;
		}

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