Re: [U-Boot] [PATCH 1/4] Use absolute addressing for mpc85xx boot page

2008-10-14 Thread Wolfgang Denk
Dear Trent Piepho, In message [EMAIL PROTECTED] you wrote: The boot page and reset vector need to be at the absolute address 0xf000 and 0xfffc, respectively, when the CPU boots. ... To handle to both different U-Boot image sizes and flash locations, what we do is take the upper bits

Re: [U-Boot] [PATCH 1/4] Use absolute addressing for mpc85xx boot page

2008-10-14 Thread Trent Piepho
On Tue, 14 Oct 2008, Wolfgang Denk wrote: In message [EMAIL PROTECTED] you wrote: The boot page and reset vector need to be at the absolute address 0xf000 and 0xfffc, respectively, when the CPU boots. ... To handle to both different U-Boot image sizes and flash locations, what we do

Re: [U-Boot] [PATCH 1/4] Use absolute addressing for mpc85xx boot page

2008-10-14 Thread Wolfgang Denk
Dear Trent, in message [EMAIL PROTECTED] you wrote: This data doesn't exist in the board config file. The linker scripts already in effect contain this data. I have a calculation that uses the flash bank size. What's there now is the result of a calculation that uses the flash bank size.

Re: [U-Boot] [PATCH 1/4] Use absolute addressing for mpc85xx boot page

2008-10-14 Thread Trent Piepho
On Tue, 14 Oct 2008, Wolfgang Denk wrote: Dear Trent, in message [EMAIL PROTECTED] you wrote: This data doesn't exist in the board config file. The linker scripts already in effect contain this data. I have a calculation that uses the flash bank size. What's there now is the result of a

[U-Boot] [PATCH 1/4] Use absolute addressing for mpc85xx boot page

2008-10-13 Thread Trent Piepho
The boot page and reset vector need to be at the absolute address 0xf000 and 0xfffc, respectively, when the CPU boots. However, their location in the U-Boot image is relative to the address that flash is mapped at. For instance, mpc8572ds maps the 128MB flash boot bank to 0xe800,