Re: [PATCH 2/5] mtd: nand: Add qcom nand controller driver

2015-01-26 Thread Archit Taneja
On 01/27/2015 02:35 AM, Kevin Cernekee wrote: On Wed, Jan 21, 2015 at 10:36 PM, Archit Taneja wrote: On 01/21/2015 06:24 AM, Daniel Ehrenberg wrote: On Fri, Jan 16, 2015 at 6:48 AM, Archit Taneja wrote: +/* + * the bad block marker is readable only when we read the page with ECC + * disabl

Re: [PATCH 2/5] mtd: nand: Add qcom nand controller driver

2015-01-26 Thread Kevin Cernekee
On Wed, Jan 21, 2015 at 10:36 PM, Archit Taneja wrote: > On 01/21/2015 06:24 AM, Daniel Ehrenberg wrote: >> On Fri, Jan 16, 2015 at 6:48 AM, Archit Taneja >> wrote: >>> >>> +/* >>> + * the bad block marker is readable only when we read the page with ECC >>> + * disabled. all the read/write comman

Re: [PATCH 2/5] mtd: nand: Add qcom nand controller driver

2015-01-21 Thread Archit Taneja
Hi, On 01/21/2015 06:24 AM, Daniel Ehrenberg wrote: On Fri, Jan 16, 2015 at 6:48 AM, Archit Taneja wrote: +/* + * the bad block marker is readable only when we read the page with ECC + * disabled. all the read/write commands like NAND_CMD_READOOB, NAND_CMD_READ0 + * and NAND_CMD_PAGEPROG are e

Re: [PATCH 2/5] mtd: nand: Add qcom nand controller driver

2015-01-20 Thread Daniel Ehrenberg
On Fri, Jan 16, 2015 at 6:48 AM, Archit Taneja wrote: > +/* > + * the bad block marker is readable only when we read the page with ECC > + * disabled. all the read/write commands like NAND_CMD_READOOB, > NAND_CMD_READ0 > + * and NAND_CMD_PAGEPROG are executed in the driver with ECC enabled. > th

[PATCH 2/5] mtd: nand: Add qcom nand controller driver

2015-01-16 Thread Archit Taneja
The Qualcomm NAND controller is found in SoCs like IPQ806x, MSM7xx, MDM9x15 series. It exists as a sub block inside the IPs EBI2 (External Bus Interface 2) and QPIC (Qualcomm Parallel Interface Controller). These IPs provide a broader interface for external slow peripheral devices such as LCD and