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mtd: sh_flctl: Implement NAND_CMD_RNDOUT command

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Implements the command to seek and read in pages.

Signed-off-by: Bastian Hecht <hechtb@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Bastian Hecht 2012-03-01 10:48:38 +01:00 committed by David Woodhouse
parent 7b6b23036b
commit dd5ab24832
1 changed files with 16 additions and 0 deletions
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16
drivers/mtd/nand/sh_flctl.c
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@ -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);