Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-10-02 Thread Gupta, Pekon
Hi, Please see last set of queries inline.. From: Scott Wood [mailto:scottw...@freescale.com] On Sat, 2013-09-28 at 06:24 +, Gupta, Pekon wrote: From: Scott Wood [mailto:scottw...@freescale.com] On Fri, 2013-09-27 at 04:18 +, Gupta, Pekon wrote: [snip] (1)

Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-10-02 Thread Scott Wood
On Wed, 2013-10-02 at 14:40 +, Gupta, Pekon wrote: Hi, Please see last set of queries inline.. From: Scott Wood [mailto:scottw...@freescale.com] On Sat, 2013-09-28 at 06:24 +, Gupta, Pekon wrote: From: Scott Wood [mailto:scottw...@freescale.com] On Fri, 2013-09-27 at

Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-10-01 Thread Mark Jackson
On 25/09/13 06:23, Pekon Gupta wrote: NAND driver needs to know bus-width of the connected NAND device, in order to perform proper I/O and initialize itself. Currently there is no CONFIG option to provide this information to NAND driver. - SPL NAND driver does not have framework to parse ONFI

Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-10-01 Thread Gupta, Pekon
Hi Mark, From: Mark Jackson [mailto:mpfj-l...@newflow.co.uk] To: Gupta, Pekon; scottw...@freescale.com; Rini, Tom snip diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h index 978bca7..c92cb2f 100644 --- a/include/configs/am335x_evm.h +++

Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-10-01 Thread Scott Wood
On Sat, 2013-09-28 at 06:24 +, Gupta, Pekon wrote: From: Scott Wood [mailto:scottw...@freescale.com] On Fri, 2013-09-27 at 04:18 +, Gupta, Pekon wrote: Apart from SPL, CONFIG_SYS_NAND_DEVICE_WIDTH also be useful for (1) drivers which do not use CONFIG_SYS_NAND_ONFI_DETECTION,

Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-09-28 Thread Gupta, Pekon
From: Scott Wood [mailto:scottw...@freescale.com] On Fri, 2013-09-27 at 04:18 +, Gupta, Pekon wrote: From: Scott Wood [mailto:scottw...@freescale.com] On Thu, 2013-09-26 at 13:14 +, Gupta, Pekon wrote: From: Gupta, Pekon pe...@ti.com [snip] The changelog that

Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-09-27 Thread Scott Wood
On Fri, 2013-09-27 at 04:18 +, Gupta, Pekon wrote: From: Scott Wood [mailto:scottw...@freescale.com] On Thu, 2013-09-26 at 13:14 +, Gupta, Pekon wrote: From: Gupta, Pekon pe...@ti.com NAND driver needs to know bus-width of the connected NAND device, in order to

Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-09-26 Thread Gupta, Pekon
(re-sending by dropping cc-list, as u-boot maillist moderated earlier mail saying Too many recipients to the message :-) ) From: Scott Wood [mailto:scottw...@freescale.com] On Wed, 2013-09-25 at 22:08 +, Woodruff, Richard wrote: Short comment. Apologies for top posting: The

Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-09-26 Thread Scott Wood
On Thu, 2013-09-26 at 13:14 +, Gupta, Pekon wrote: From: Gupta, Pekon pe...@ti.com NAND driver needs to know bus-width of the connected NAND device, in order to perform proper I/O and initialize itself. Currently there is no CONFIG option to provide this information to NAND

Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-09-26 Thread Gupta, Pekon
From: Scott Wood [mailto:scottw...@freescale.com] On Wed, 2013-09-25 at 22:08 +, Woodruff, Richard wrote: Short comment. Apologies for top posting: The first incarnations of SPL and loader mainly cared about the boot flash device. Is there an SPL that cares about something

Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-09-26 Thread Gupta, Pekon
From: Scott Wood [mailto:scottw...@freescale.com] On Thu, 2013-09-26 at 13:14 +, Gupta, Pekon wrote: From: Gupta, Pekon pe...@ti.com NAND driver needs to know bus-width of the connected NAND device, in order to perform proper I/O and initialize itself. Currently there is no

Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-09-25 Thread Woodruff, Richard
Short comment. Apologies for top posting: The first incarnations of SPL and loader mainly cared about the boot flash device. OMAPs require a resistor strap to specify the width of the boot device. The values is latched for SW to read. As such always a run time check of width was sufficient

Re: [U-Boot] [PATCH 1/1] am33xx: add CONFIG_SYS_NAND_DEVICE_WIDTH to determine NAND device bus-width

2013-09-25 Thread Scott Wood
On Wed, 2013-09-25 at 22:08 +, Woodruff, Richard wrote: Short comment. Apologies for top posting: The first incarnations of SPL and loader mainly cared about the boot flash device. Is there an SPL that cares about something other than the boot device now? OMAPs require a resistor