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Commit dd5ab248 authored by Bastian Hecht's avatar Bastian Hecht Committed by David Woodhouse
Browse files

mtd: sh_flctl: Implement NAND_CMD_RNDOUT command 



Implements the command to seek and read in pages.

Signed-off-by: default avatarBastian Hecht <hechtb@gmail.com>
Acked-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 7b6b2303

drivers/mtd/nand/sh_flctl.c

+16 −0
Original line number Diff line number Diff line
@@ -303,6 +303,7 @@ static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_va 
		break;

	case NAND_CMD_READ0:

	case NAND_CMD_READOOB:

	case NAND_CMD_RNDOUT:

		addr_len_bytes = flctl->rw_ADRCNT;

		flcmdcr_val |= CDSRC_E;

		if (flctl->chip.options & NAND_BUSWIDTH_16)
@@ -558,6 +559,21 @@ static void flctl_cmdfunc(struct mtd_info *mtd, unsigned int command, 
		flctl->read_bytes = mtd->oobsize;

		goto read_normal_exit;



	case NAND_CMD_RNDOUT:

		if (flctl->hwecc)

			break;



		if (flctl->page_size)

			set_cmd_regs(mtd, command, (NAND_CMD_RNDOUTSTART << 8)

				| command);

		else

			set_cmd_regs(mtd, command, command);



		set_addr(mtd, column, 0);



		flctl->read_bytes = mtd->writesize + mtd->oobsize - column;

		goto read_normal_exit;



	case NAND_CMD_READID:

		set_cmd_regs(mtd, command, command);