On 03/14/2012 04:35 AM, Prabhakar Kushwaha wrote: > Hi Wolfgang, > > On Tuesday 13 March 2012 12:44 PM, Prabhakar Kushwaha wrote: >> Hi Wolfgang, >> >> On Wednesday 07 March 2012 06:00 PM, Wolfgang Denk wrote: >>> Dear Prabhakar Kushwaha, >>> >>> In message<4f572159.9020...@freescale.com> you wrote: >>>>> Also, what's the "V1_V2" ? Are there also other systems (say, e500 v3 >>>>> cores), and are this not affected? We already have CONFIG_E500 and >>>>> CONFIG_E500MC so CONFIG_E500_V1_V2 appears to belong to this group, >>>>> but if I understand your intentions it does something completely >>>>> unrelated. >>>> V1_V2 is used because it applied to e500v1 and e500v2 not e500mc >>>> processor. So CONFIG_E500MC cant be used. Also I cant use >>>> CONFIG_E500 as >>>> it refer the entire e500 family which includes e500mc. >>> Hm... I am not sure if CONFIG_E500 was supposed to include >>> CONFIG_E500MC; it's nowhere documented. Let's assume it is. >>> >>> What happens if you enable this code on a E500MC system? >>> >> >> Debug restrictions are not valid for e500mc system. >> >> At first sight it should not hurt e500mc execution (other than some >> seemingly unnecessary steps). However i will check this point. >> > We tried by enabling CONFIG_E500_V2_V2 for E500MC with u-boot patches. > It boots fine and debugging can be done.
Be sure to mention in comments that the hack is only really needed for v1/v2. > So, we can use CONFIG_E500 #define instead of CONFIG_E500_V2_V2 i.e. > debugging will always be enabled. One have to define > CONFIG_DEBUGGER_TEMP_TLB for debugging in AS1 ( Part of patch > "powerpc/85xx:Update NOR code base to support debugger" ) CONFIG_SYS_PPC_E500_DEBUG_TLB > CONFIG_DEBUGGER_TEMP_TLB can also be used for placing code which can > only be required during debugging (specially code of temporary TLB > creation) Is there something specific you had in mind, other than the use that is already present in this patchset? -Scott _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot