Scott Wood schrieb: > Jochen Friedrich wrote: >> >> In cpm_uart_core, functions cpm_uart_init_bd and cpm_uart_init_scc >> an offset into DP RAM is calculated by substracting a physical >> memory constant from an virtual address. This patch fixes the >> problem by converting the virtual address into a physical >> first. > > Huh? DPRAM_BASE is a virtual address. With this patch, you'd be > subtracting a virtual address from a physical address.
Thanks for pointing me to it. So the bug is in cpm_uart_cpm1.h assigning a physical memory to DPRAM_BASE (at least on ARC=ppc). cpm_uart_cpm2.h seems to be correct though. I'll submit a new patch for this. Thanks, Jochen _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
