Re: [U-Boot] [PATCH v2] cfi flash: add status polling method for amd flash

2010-03-22 Thread Thomas Chou
On 03/22/2010 07:05 PM, Stefan Roese wrote: > I realise that this is copied from flash_status_check(). There has been a > discussion and a not yet finished patch for this part. Please take a look at > this thread: > > http://www.mail-archive.com/u-boot@lists.denx.de/msg19297.html > > And the last v

Re: [U-Boot] [PATCH v2] cfi flash: add status polling method for amd flash

2010-03-22 Thread Stefan Roese
Hi Thomas, On Friday 19 March 2010 23:57:47 Thomas Chou wrote: > This patch adds status polling method to offer an alternative to > data toggle method for amd flash chips. > > This patch is needed for nios2 cfi flash interface, where the bus > controller performs 4 bytes read cycles for a single

[U-Boot] [PATCH v2] cfi flash: add status polling method for amd flash

2010-03-19 Thread Thomas Chou
This patch adds status polling method to offer an alternative to data toggle method for amd flash chips. This patch is needed for nios2 cfi flash interface, where the bus controller performs 4 bytes read cycles for a single byte read instruction. The data toggle method can not detect chip busy sta