From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ey0-f177.google.com ([209.85.215.177]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Rv6Sj-0001t3-OU for linux-mtd@lists.infradead.org; Wed, 08 Feb 2012 12:17:26 +0000 Received: by mail-ey0-f177.google.com with SMTP id i1so158342eaa.36 for ; Wed, 08 Feb 2012 04:17:25 -0800 (PST) From: Bastian Hecht To: linux-mtd@lists.infradead.org, linux-sh@vger.kernel.org Subject: [PATCH 4/7] mtd: sh_flctl: Implement NAND_CMD_RNDOUT command Date: Wed, 8 Feb 2012 13:16:48 +0100 Message-Id: <1328703411-3452-4-git-send-email-hechtb@gmail.com> In-Reply-To: <1328703411-3452-1-git-send-email-hechtb@gmail.com> References: <1328703411-3452-1-git-send-email-hechtb@gmail.com> Cc: Bastian Hecht , magnus.damm@gmail.com, laurent.pinchart@ideasonboard.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Implements the command to seek and read in pages. Signed-off-by: Bastian Hecht --- drivers/mtd/nand/sh_flctl.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c index 407acb5..5c3e71f 100644 --- a/drivers/mtd/nand/sh_flctl.c +++ b/drivers/mtd/nand/sh_flctl.c @@ -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 +559,18 @@ 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->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); -- 1.7.5.4