[ts-7000] Re: kernel 2.6.27.4 for TS-72XX [take1]

["greywolf9923" <>]

It's very strange, with NODE_MEM_SIZE_BITS 23, it should be fine.
Have you modified even the value MAX_PHYSMEM_BITS?
  
--- In  Matthieu Crapet <> wrote:
>
> Hi Marco,
> 
> I looked to the discontigmem replacement stuff today.
> I tried to move from ARCH_DISCONTIGMEM_ENABLE to ARCH_SPARSEMEM_ENABLE.
> Let's leave apart the special "2 chips select" case.
> 
> It didn't work at all (freeze after the message: Uncompressing 
> Linux............................................................... 
> done, booting the kernel.)
> 
> Tried both:
> #define NODE_MEM_SIZE_BITS 23 // 8mb  
> #define NODE_MEM_SIZE_BITS 24 // 16mb  
> 
> Started to debug kernel with "printascii" and "printhex8" without
result.
> 
> Then I wanted to try your new ARCH_HAS_FLATMEM_HOLES way.
> I was not able to find any information about it. Where did you find
this ?
> Are you actually using it ?
> 
> Thanks for your help.
> Matthieu
> 
> 
> greywolf9923 wrote:
> >
> > Hi Matt,
> >
> > two comments:
> >
> > 1) discontigmem is deprecated. Now according to Russel King the new
> > approach is sparsemem. However now the kernel has a new define called
> > ARCH_HAS_FLATMEM_ HOLES, it should be sufficient, so I think the
> > discontigmem stuff in your patch is not needed. You can check my
> > discussion on the arm mailing list.
> >
> > 2) About the led I think it should be sufficient to use the general
> > gpio led support and to do a declaration in the ts72xx.c of them, like
> > this:
> >
> > static const struct gpio_led ts72xx_leds[ ] = {
> > { .name = "green", .gpio = EP93XX_GPIO_ LINE_GRLED, .active_low = 1,
> > .default_trigger = "heartbeat",
> > },
> > { .name = "red", .gpio = EP93XX_GPIO_ LINE_RDLED, .active_low = 1, },
> > };
> >
> > static const struct gpio_led_platform_ data ts72xx_led_data = {
> > .num_leds = ARRAY_SIZE(ts72xx_ leds),
> > .leds = (void *) ts72xx_leds,
> > };
> >
> > static struct platform_device ngw_gpio_leds = {
> > .name = "leds-gpio",
> > .id = -1,
> > .dev = {
> > .platform_data = (void *) &ts72xx_led_ data,
> > }
> > };
> >
> > Regards,
> >
> > Marco
> >
> > --- In  .com <ts-7000%40yahoogroups.com>, 
> > Matthieu Crapet <mcrapet@ > wrote:
> > >
> > > Greetings,
> > >
> > > Here is a kernel 2.6.27.4 patch (against mainline Linux kernel) for
> > TS-72xx.
> > >
> > > Moved everything from my previous patch for 2.6.24.4 to this
version.
> > > I wanted the new generic GPIO layer.
> > >
> > > The file "linux-2.6.27. 4-ts7200_ matt-1.tar. gz" has been
posted in 
> > the
> > > yahoo group file area:
> > > http://tech. groups.yahoo. com/group/ ts-7000/files 
> > <http://tech.groups.yahoo.com/group/ts-7000/files>
> > >
> > > Either cumulative or single patches are available.
> > >
> > > Comments are welcome.
> > >
> > > Best regards,
> > > Matthieu
> >
>



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