[U-Boot] [PATCH u-boot git] there are non-DM6446 DaVinci chips

[David Brownell]

On Thursday 16 April 2009, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 15:44 Sun 12 Apr     , David Brownell wrote:

> could you split it in more logical change please

I'll fragment it a bit more, ok.  later.


> > @@ -129,10 +122,12 @@ void davinci_enable_uart0(void)
> >  	lpsc_on(DAVINCI_LPSC_UART0);
> >  
> >  	/* Bringup UART0 out of reset */
> > -	REG(UART0_PWREMU_MGMT) = 0x0000e003;
> > +	REG(UART0_PWREMU_MGMT) = 0x00006001;
> >  
> > +#ifdef CONFIG_SOC_DM6446
> >  	/* Enable UART0 MUX lines */
> > -	REG(PINMUX1) |= PINMUX1_UART0;
> > +	REG(PINMUX1) |= DM644X_PINMUX1_UART0;
>
> is this the same for all DM6446?
> and the same question for the I2C and EMAC

Yes, that's why I did it that way.  PINMUX1 is part
of the DM6446 SoC itself, not an FPGA or CPLD, and
on other SoCs the bits in that register have different
meanings assigned.  UART0 might be in PINMUX4, etc.

(Or, if by "this" you meant the PWREMU_MGMT register,
that's also a yes ... plus, I looked at docs for other
DaVinci chips, and they all have the same definition
for that register.)

 
> it will be better to init pio/mux in devices file
> without redefined it in the board as done for the at91

Agreed, but there's a limit to how much rewriting I can
donate.  There *are* no dm6446-specific "devices" files
in cpu/arm926ejs/davinci yet ... and in fact, most of
that "common" code seems more like it belongs over in
cpu/.../davinci, not board/davinci/common.

(Re the AT91 code, having one file per device type and
SoC member seems absurd to me.  One per SoC seems
about right.)

My DM355 patches won't need such #ifdeffery.

- Dave



> Best Regards,
> J.
> 
>