From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-bk0-f49.google.com ([209.85.214.49]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1RwBPD-000478-8G for linux-mtd@lists.infradead.org; Sat, 11 Feb 2012 11:46:15 +0000 Received: by mail-bk0-f49.google.com with SMTP id jk13so3578629bkc.36 for ; Sat, 11 Feb 2012 03:46:14 -0800 (PST) From: Bastian Hecht To: linux-sh@vger.kernel.org, linux-mtd@lists.infradead.org Subject: [PATCH v2 4/7] mtd: sh_flctl: Implement NAND_CMD_RNDOUT command Date: Sat, 11 Feb 2012 12:45:02 +0100 Message-Id: <1328960705-18699-5-git-send-email-hechtb@gmail.com> In-Reply-To: <1328960705-18699-1-git-send-email-hechtb@gmail.com> References: <1328960705-18699-1-git-send-email-hechtb@gmail.com> Cc: Magnus Damm , Laurent Pichart 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 --- changelog: exactly same as patch v1. 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