Hi Heiko, On Tue, Oct 26, 2010 at 4:25 PM, Heiko Schocher <[email protected]> wrote: > Hello Stefano, > > Stefano Babic wrote: >> On 10/26/2010 10:05 AM, Shawn Guo wrote: >>> Hi Stefano, >>> >>> On Tue, Oct 26, 2010 at 3:59 PM, Stefano Babic <[email protected]> wrote: >>>> On 10/25/2010 05:14 PM, Shawn Guo wrote: >>>> >>>>> +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 >>>>> +#define CONFIG_SYS_INIT_SP_ADDR (IRAM_BASE_ADDR + 0x1000) >>>> What is the meaning of the offset at 0x1000 ? Is there something at >>>> IRAM_BASE_ADDR ? >>>> >>> I thought CONFIG_SYS_INIT_SP_ADDR is assigned to stack pointer (sp) >>> which decrease the address. Is it not the case? >>> >> >> Yes, my doubt is due to the fact that we do not set the SP at the end of >> the IRAM and we set it to an arbitrary address in between. > > We should set the CONFIG_SYS_INIT_SP_ADDR @ (IRAM_BASE_ADDR + IRAM_BASE_SIZE > - CONFIG_SYS_GBL_DATA_SIZE) > Since u-boot is running in external memory, shouldn't CONFIG_SYS_GBL_DATA_SIZE be using the external memory space other than IRAM?
-- Regards, Shawn _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
