[U-Boot] rockchip: rk3288: init malloc_base, limit, ptr before spl_init

[Eddie Cai]

Hi Simon

2017-02-22 12:00 GMT+08:00 Simon Glass <sjg at chromium.org>:

> Hi Eddie,
>
> On 21 February 2017 at 01:15, Eddie Cai <eddie.cai.linux at gmail.com> wrote:
> > Andrew F. Davis's below patch broke rk3288 based board. that is because
> we call
> > spl_init in board_init_f which is at very early stage. What Andrew want
> to fix
> > is calling spl_init very late. That patch will make malloc_base, limit,
> ptr not
> > initualized in spl_init when we call spl_init in board_init_f.  It seems
> > impossible to meet two requirement in spl_init. So i simply init
> malloc_base,
> > limit, ptr before spl_init.
> >
> > commit b3d2861eb20a795b99292b823c923935df26dfc6
> > Author: Andrew F. Davis <afd at ti.com>
> > Date:   Fri Jan 27 10:39:19 2017 -0600
> >
> >     spl: Remove overwrite of relocated malloc limit
> >
> > Signed-off-by: Eddie Cai <eddie.cai.linux at gmail.com>
> > ---
> >  arch/arm/mach-rockchip/rk3288-board-spl.c | 10 ++++++++++
> >  1 file changed, 10 insertions(+)
> >
> > diff --git a/arch/arm/mach-rockchip/rk3288-board-spl.c
> b/arch/arm/mach-rockchip/rk3288-board-spl.c
> > index 930939a..1f3170d 100644
> > --- a/arch/arm/mach-rockchip/rk3288-board-spl.c
> > +++ b/arch/arm/mach-rockchip/rk3288-board-spl.c
> > @@ -184,6 +184,16 @@ void board_init_f(ulong dummy)
> >         debug_uart_init();
> >  #endif
> >
> > +#if defined(CONFIG_SYS_MALLOC_F_LEN)
> > +#ifdef CONFIG_MALLOC_F_ADDR
> > +       gd->malloc_base = CONFIG_MALLOC_F_ADDR;
> > +#endif
> > +#ifdef CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN
> > +       gd->malloc_limit = CONFIG_SYS_MALLOC_F_LEN;
> > +#endif
> > +       gd->malloc_ptr = 0;
> > +#endif
> > +
>
> Yuck we should not repeat this code. Can we instead have two versions
> of spl_init()? Perhaps call the one that always sets things up
> spl_early_init() since it is called before board_init_r()?
>
 I search but did find spl_early_init in mainline U-Boot. I found exynos
U-Boot for chromium os have spl_early_init. But it is far away from what we
need. So i add one by myself.

>
> >         ret = spl_init();
> >         if (ret) {
> >                 debug("spl_init() failed: %d\n", ret);
> > --
> > 2.7.4
> >
>
> Regards,
> Simon
>