Hi Andrew, As usual - you gave the correct starting point.
Thanks for your help. Best regards, Sujoy Ray. -----Original Message----- From: Andrew Lunn [mailto:[EMAIL PROTECTED] Sent: Thursday, May 25, 2006 11:55 AM To: Ray, Sujoy (Sujoy) Cc: [email protected] Subject: Re: [ECOS] Redboot UART driver On Thu, May 25, 2006 at 08:23:27AM +0200, Ray, Sujoy (Sujoy) wrote: > Hi ALL, > > Problem Summary: - I am facing a problem with the redboot build > environment while porting it to our ARM9 based SOC. I found that it's > not compiling the serial driver even though "ecosconfig check" shows > that the required package is present. > > Detailed Description:- We make ARM9 based SOC and the UART IP block is > completely different. So, I need to develop a different low level UART > driver for our chip. I did the following:- > 1) Created a folder called myUART in > \ecos-2.0\packages\devs\serial\arm and added necessary cdl and src > files in > the said directory. > 2) Created a package called CYGPKG_IO_SERIAL_ARM_MYUART in > ecos.db which points to the CDL file in \ecos-2.0 > \packages\devs\serial\arm\ myUART\ v2_0\cdl > 3) Added following Lines in ecos.db > target my125Target { > alias { "myTarget" myTarget_arm9 } > packages { CYGPKG_HAL_ARM > CYGPKG_HAL_ARM_ARM9 > CYGPKG_HAL_ARM_ARM9_MYTARGET > CYGPKG_ERROR > CYGPKG_IO > CYGPKG_IO_SERIAL > CYGPKG_IO_SERIAL_ARM_ MYUART > > CYGPKG_DEVS_FLASH_INTEL_28FXXX > CYGPKG_DEVS_FLASH_ARM_MYTARGET > } > description " > The target provides the packages needed to run > eCos on our SOC based board." > } > After adding above mentioned lines, my expectation is myUART.c > located in \ecos-2.0\packages\devs\serial\arm\ myUART > \ v2_0\src\ would be compiled. But in reality I found that this > is not getting compiled. > > Any help regarding this would be highly appreciated. Redboot uses the HAL serial driver, not the fully, interrupt serial driver. The HAL serial driver should be in your CYGPKH_HAL_ARM9_MYTARGET, normally in the file hal_diag.c Andrew -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
