Re: [PATCH v3 10/21] mtd: support BB SRAM on ICP DAS LP-8x4x

2014-04-15 Thread Sergei Ianovich
On Tue, 2014-04-15 at 22:04 -0700, Brian Norris wrote: > Hi Sergei, > > On Tue, Dec 17, 2013 at 11:37:40PM +0400, Sergei Ianovich wrote: > > This provides an MTD device driver for 512kB of battery backed up SRAM > > on ICPDAS LP-8X4X programmable automation controllers. > > > > SRAM chip is

Re: [PATCH v3 10/21] mtd: support BB SRAM on ICP DAS LP-8x4x

2014-04-15 Thread Brian Norris
Hi Sergei, On Tue, Dec 17, 2013 at 11:37:40PM +0400, Sergei Ianovich wrote: > This provides an MTD device driver for 512kB of battery backed up SRAM > on ICPDAS LP-8X4X programmable automation controllers. > > SRAM chip is connected via FPGA and is not accessible without a driver, > unlike flash

Re: [PATCH v3 10/21] mtd: support BB SRAM on ICP DAS LP-8x4x

2014-04-15 Thread Brian Norris
Hi Sergei, On Tue, Dec 17, 2013 at 11:37:40PM +0400, Sergei Ianovich wrote: This provides an MTD device driver for 512kB of battery backed up SRAM on ICPDAS LP-8X4X programmable automation controllers. SRAM chip is connected via FPGA and is not accessible without a driver, unlike flash

Re: [PATCH v3 10/21] mtd: support BB SRAM on ICP DAS LP-8x4x

2014-04-15 Thread Sergei Ianovich
On Tue, 2014-04-15 at 22:04 -0700, Brian Norris wrote: Hi Sergei, On Tue, Dec 17, 2013 at 11:37:40PM +0400, Sergei Ianovich wrote: This provides an MTD device driver for 512kB of battery backed up SRAM on ICPDAS LP-8X4X programmable automation controllers. SRAM chip is connected via

[PATCH v3 10/21] mtd: support BB SRAM on ICP DAS LP-8x4x

2013-12-17 Thread Sergei Ianovich
This provides an MTD device driver for 512kB of battery backed up SRAM on ICPDAS LP-8X4X programmable automation controllers. SRAM chip is connected via FPGA and is not accessible without a driver, unlike flash memory which is wired to CPU MMU. This SRAM becomes an excellent persisent storage of

[PATCH v3 10/21] mtd: support BB SRAM on ICP DAS LP-8x4x

2013-12-17 Thread Sergei Ianovich
This provides an MTD device driver for 512kB of battery backed up SRAM on ICPDAS LP-8X4X programmable automation controllers. SRAM chip is connected via FPGA and is not accessible without a driver, unlike flash memory which is wired to CPU MMU. This SRAM becomes an excellent persisent storage of