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Commit a6b3ed29 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by Artem Bityutskiy
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mtd: bcm47xxnflash: support NAND_CMD_STATUS 



Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
parent e7e46168

drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c

+11 −0
Original line number Diff line number Diff line
@@ -156,6 +156,7 @@ static void bcm47xxnflash_ops_bcm4706_cmdfunc(struct mtd_info *mtd, 
{

	struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv;

	struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv;

	struct bcma_drv_cc *cc = b47n->cc;

	u32 ctlcode;

	int i;
@@ -196,6 +197,11 @@ static void bcm47xxnflash_ops_bcm4706_cmdfunc(struct mtd_info *mtd, 
		}



		break;

	case NAND_CMD_STATUS:

		ctlcode = NCTL_CSA | NCTL_CMD0 | NAND_CMD_STATUS;

		if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, ctlcode))

			pr_err("STATUS command error\n");

		break;

	case NAND_CMD_READ0:

		break;

	case NAND_CMD_READOOB:
@@ -213,6 +219,7 @@ static u8 bcm47xxnflash_ops_bcm4706_read_byte(struct mtd_info *mtd) 
{

	struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv;

	struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv;

	struct bcma_drv_cc *cc = b47n->cc;

	u32 tmp = 0;



	switch (b47n->curr_command) {
@@ -223,6 +230,10 @@ static u8 bcm47xxnflash_ops_bcm4706_read_byte(struct mtd_info *mtd) 
			return 0;

		}

		return b47n->id_data[b47n->curr_column++];

	case NAND_CMD_STATUS:

		if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, NCTL_READ))

			return 0;

		return bcma_cc_read32(cc, BCMA_CC_NFLASH_DATA) & 0xff;

	case NAND_CMD_READOOB:

		bcm47xxnflash_ops_bcm4706_read(mtd, (u8 *)&tmp, 4);

		return tmp & 0xFF;