[U-Boot] [PATCH 2/2 V2] Changes to move hawkboard to the new spl infrastructure.

[Sughosh Ganu <urwithsughosh@gmail.com>]

hi Heiko,

On Wed Jan 11, 2012 at 07:52:02AM +0100, Heiko Schocher wrote:
> Hello Sughosh,
> 
> Sughosh Ganu wrote:
> > This patch moves hawkboard to the new spl infrastructure from the
> > older nand_spl one.
> > 
> > Removed the hawkboard_nand_config build option -- The spl code now
> > gets compiled with hawkboard_config, after building the main u-boot
> > image, using the CONFIG_SPL_TEXT_BASE. Modified the README.hawkboard
> > to reflect the same.
> > 
> > Signed-off-by: Sughosh Ganu <urwithsughosh@gmail.com>
> > Cc: Heiko Schocher <hs@denx.de>
> > Cc: Christian Riesch <christian.riesch@omicron.at>
> > Cc: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
> > Cc: Tom Rini <trini@ti.com>
> > ---
> > 
> [...]
> > diff --git a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c
> > index a532f8a..a4778b8 100644
> > --- a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c
> > +++ b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c
> > @@ -32,6 +32,7 @@
> >  #include <asm/arch/emif_defs.h>
> >  #include <asm/arch/pll_defs.h>
> >  
> > +#if !defined(CONFIG_MACH_DAVINCI_HAWK)
> 
> Please no board specific defines.

  Ok, will replace with the arch specific define that you suggest.

> 
> >  void da850_waitloop(unsigned long loopcnt)
> >  {
> >  	unsigned long	i;
> > @@ -235,6 +236,7 @@ int da850_ddr_setup(void)
> >  
> >  	return 0;
> >  }
> > +#endif /* CONFIG_MACH_DAVINCI_HAWK */
> >  
> >  __attribute__((weak))
> >  void board_gpio_init(void)
> > @@ -242,10 +244,6 @@ void board_gpio_init(void)
> >  	return;
> >  }
> >  
> > -/* pinmux_resource[] vector is defined in the board specific file */
> > -extern const struct pinmux_resource pinmuxes[];
> > -extern const int pinmuxes_size;
> > -
> >  int arch_cpu_init(void)
> >  {
> >  	/* Unlock kick registers */
> > @@ -259,6 +257,7 @@ int arch_cpu_init(void)
> >  	if (davinci_configure_pin_mux_items(pinmuxes, pinmuxes_size))
> >  		return 1;
> >  
> > +#if defined(CONFIG_MACH_DAVINCI_DA850_EVM)
> 
> here too. I propose here a CONFIG_SYS_DA850_PLL_INIT ...

  Ok.

> 
> >  	/* PLL setup */
> >  	da850_pll_init(davinci_pllc0_regs, CONFIG_SYS_DA850_PLL0_PLLM);
> >  	da850_pll_init(davinci_pllc1_regs, CONFIG_SYS_DA850_PLL1_PLLM);
> > @@ -275,6 +274,12 @@ int arch_cpu_init(void)
> >  #endif
> >  
> >  	lpsc_on(CONFIG_SYS_DA850_LPSC_UART);
> > +
> > +	da850_ddr_setup();
> 
> and around the ddr_setup a CONFIG_SYS_DA850_DDR_INIT ...
> 
> > +#elif defined(CONFIG_MACH_DAVINCI_HAWK)
> > +	da8xx_configure_lpsc_items(lpsc, lpsc_size);
> > +#endif
> 
> and we should use da8xx_configure_lpsc_items() for all da850 boards.

  Ok.

> 
> This patch breaks current enbw_cmc board compile
> 
> [hs at pollux u-boot]$ ./MAKEALL enbw_cmc
> Configuring for enbw_cmc board...
> enbw_cmc.c:52:35: error: static declaration of 'lpsc' follows non-static declaration
> /work/hs/u-boot/include/asm/arch/da850_lowlevel.h:33:35: note: previous declaration of 'lpsc' was here
> make[1]: *** [enbw_cmc.o] Fehler 1
> make: *** [board/enbw/enbw_cmc/libenbw_cmc.o] Fehler 2
> arm-linux-gnueabi-size: './u-boot': No such file

  Oops, sorry about that.

<snip>

> diff --git a/include/configs/enbw_cmc.h b/include/configs/enbw_cmc.h
> index c427dc7..804846d 100644
> --- a/include/configs/enbw_cmc.h
> +++ b/include/configs/enbw_cmc.h
> @@ -48,6 +48,8 @@
>  #define CONFIG_SKIP_LOWLEVEL_INIT
>  #define CONFIG_DA850_LOWLEVEL
>  #define CONFIG_ARCH_CPU_INIT
> +#define CONFIG_SYS_DA850_PLL_INIT
> +#define CONFIG_SYS_DA850_DDR_INIT

  I think we'll need to add this for da850evm.h too.

>  #define CONFIG_DA8XX_GPIO
>  #define CONFIG_HOSTNAME		enbw_cmc
>  #define CONFIG_DISPLAY_CPUINFO
> -- 
> 1.7.7.4
> 
> [...]
> > diff --git a/include/configs/cam_enc_4xx.h b/include/configs/cam_enc_4xx.h
> > index a21d448..8e3a4d2 100644
> > --- a/include/configs/cam_enc_4xx.h
> > +++ b/include/configs/cam_enc_4xx.h
> > @@ -205,6 +205,7 @@
> >  
> >  /* Defines for SPL */
> >  #define CONFIG_SPL
> > +#define CONFIG_DM365_SPL
> 
> Why we need this define?

  Yeah, missed out cleaning these defines that i had used in V1. Will
  clean up in next version for all the cases.

-sughosh