debug log attached. Thanks, Corey
On Thu, Oct 30, 2008 at 8:09 PM, Carl-Daniel Hailfinger < [EMAIL PROTECTED]> wrote: > On 29.10.2008 09:02, Corey Osgood wrote: > > Attached patches for cn700, vt8237(r/s), and the mainboard, Jetway J7F2, > > along with a boot log. Currently, we're stuck in a reboot loop and I have > no > > idea why, seems to be related to CAR disabling (this wasn't happening > when > > disable_car was a noop). Carl-Daniel, any ideas? > > > > Could you try this patch and report serial output back to the list? It > should at least give me an impression about where the code is broken. > > Regards, > Carl-Daniel > > Add more debugging to the critical stage1 code around disable_car(). > > Signed-off-by: Carl-Daniel Hailfinger <[EMAIL PROTECTED]> > > Index: corebootv3-via_car/arch/x86/via/stage1.c > =================================================================== > --- corebootv3-via_car/arch/x86/via/stage1.c (Revision 958) > +++ corebootv3-via_car/arch/x86/via/stage1.c (Arbeitskopie) > @@ -50,6 +50,7 @@ > */ > void disable_car(void) > { > + printk(BIOS_DEBUG, "disable_car entry\n"); > /* Determine new global variable location. Stack organization from > top > * Top 4 bytes are reserved > * Pointer to global variables > @@ -60,9 +61,12 @@ > const struct global_vars *newlocation = (struct global_vars > *)((RAM_STACK_BASE - sizeof(struct global_vars *) - sizeof(struct > global_vars)) & ~0x7); > /* Copy global variables to new location. */ > memcpy(newlocation, global_vars(), sizeof(struct global_vars)); > + printk(BIOS_DEBUG, "disable_car global_vars copy done\n"); > /* Set the new global variable pointer. */ > *(struct global_vars **)(RAM_STACK_BASE - sizeof(struct global_vars > *)) = newlocation; > > + printk(BIOS_DEBUG, "disable_car global_vars pointer adjusted, > entering asm code..."); > + printk(BIOS_DEBUG, > "now..........................................................................\n"); > __asm__ __volatile__( > /* We don't need cache as ram for now on */ > /* disable cache */ > Index: corebootv3-via_car/arch/x86/stage1.c > =================================================================== > --- corebootv3-via_car/arch/x86/stage1.c (Revision 958) > +++ corebootv3-via_car/arch/x86/stage1.c (Arbeitskopie) > @@ -264,6 +264,7 @@ > #ifdef CONFIG_CONSOLE_BUFFER > /* Move the printk buffer to PRINTK_BUF_ADDR_RAM */ > printk_buffer_move((void *)PRINTK_BUF_ADDR_RAM, > PRINTK_BUF_SIZE_RAM); > + printk(BIOS_DEBUG, "Done printk() buffer move\n"); > #endif > /* Turn off Cache-As-Ram */ > disable_car(); > > > -- > http://www.hailfinger.org/ > >
car_debug1.log
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