[U-Boot] [PATCH V2 11/13] spl: announce boot devices

[Nikita Kiryanov]

On Thu, Oct 29, 2015 at 11:19:53AM -0600, Simon Glass wrote:
> Hi Nikita,
> 
> On 28 October 2015 at 03:23, Nikita Kiryanov <nikita at compulab.co.il> wrote:
> > Now that we support alternative boot devices, it can sometimes be
> > unclear which boot devices was actually used. Provide a function to
> > announce which boot devices are attempted during boot.
> >
> > Signed-off-by: Nikita Kiryanov <nikita at compulab.co.il>
> > Cc: Igor Grinberg <grinberg at compulab.co.il>
> > Cc: Tom Rini <trini at konsulko.com>
> > Cc: Simon Glass <sjg at chromium.org>
> > ---
> > Changes in V2:
> >         - No changes.
> >
> >  common/spl/spl.c | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >  1 file changed, 86 insertions(+)
> >
> > diff --git a/common/spl/spl.c b/common/spl/spl.c
> > index 7913c52..ee30290 100644
> > --- a/common/spl/spl.c
> > +++ b/common/spl/spl.c
> > @@ -178,6 +178,91 @@ int spl_init(void)
> >         return 0;
> >  }
> >
> > +#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
> > +__weak void spl_board_announce_boot_device(void) { }
> > +#endif
> > +
> > +#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
> > +static void announce_boot_device(u32 boot_device)
> > +{
> > +       puts("Trying to boot from ");
> > +       switch (boot_device) {
> > +#ifdef CONFIG_SPL_RAM_DEVICE
> > +       case BOOT_DEVICE_RAM:
> > +               puts("RAM");
> > +               break;
> > +#endif
> > +#ifdef CONFIG_SPL_MMC_SUPPORT
> > +       case BOOT_DEVICE_MMC1:
> > +       case BOOT_DEVICE_MMC2:
> > +       case BOOT_DEVICE_MMC2_2:
> > +               puts("MMC");
> > +               break;
> > +#endif
> 
> Perhaps we need a table of function pointers with the name for each?
> This code seems very repetitive.

Or BOOT_DEVICE_* -> name. It'll still have a lot of repetitive lines but
I guess the function itself will look nicer. I'll prepare something in a
V3..

> 
> > +#ifdef CONFIG_SPL_NAND_SUPPORT
> > +       case BOOT_DEVICE_NAND:
> > +               puts("NAND");
> > +               break;
> > +#endif
> > +#ifdef CONFIG_SPL_ONENAND_SUPPORT
> > +       case BOOT_DEVICE_ONENAND:
> > +               puts("OneNAND");
> > +               break;
> > +#endif
> > +#ifdef CONFIG_SPL_NOR_SUPPORT
> > +       case BOOT_DEVICE_NOR:
> > +               puts("NOR");
> > +               break;
> > +#endif
> > +#ifdef CONFIG_SPL_YMODEM_SUPPORT
> > +       case BOOT_DEVICE_UART:
> > +               puts("UART");
> > +               break;
> > +#endif
> > +#ifdef CONFIG_SPL_SPI_SUPPORT
> > +       case BOOT_DEVICE_SPI:
> > +               puts("SPI");
> > +               break;
> > +#endif
> > +#ifdef CONFIG_SPL_ETH_SUPPORT
> > +       case BOOT_DEVICE_CPGMAC:
> > +#ifdef CONFIG_SPL_ETH_DEVICE
> > +               puts("eth device");
> > +#else
> > +               puts("net");
> > +#endif
> > +               break;
> > +#endif
> > +#ifdef CONFIG_SPL_USBETH_SUPPORT
> > +       case BOOT_DEVICE_USBETH:
> > +               puts("USB eth");
> > +               break;
> > +#endif
> > +#ifdef CONFIG_SPL_USB_SUPPORT
> > +       case BOOT_DEVICE_USB:
> > +               puts("USB");
> > +               break;
> > +#endif
> > +#ifdef CONFIG_SPL_SATA_SUPPORT
> > +       case BOOT_DEVICE_SATA:
> > +               puts("SATA");
> > +               break;
> > +#endif
> > +#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
> > +       case BOOT_DEVICE_BOARD:
> > +               spl_board_announce_boot_device();
> > +               break;
> > +#endif
> > +       default:
> > +               printf("%d (unknown boot device)", boot_device);
> > +       }
> > +
> > +       puts("\n");
> > +}
> > +#else
> > +static inline void announce_boot_device(u32 boot_device) { }
> > +#endif
> > +
> >  #ifndef BOOT_DEVICE_NONE
> >  #define BOOT_DEVICE_NONE 0xdeadbeef
> >  #endif
> > @@ -292,6 +377,7 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
> >         board_boot_order(spl_boot_list);
> >         for (i = 0; i < ARRAY_SIZE(spl_boot_list) &&
> >                         spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
> > +               announce_boot_device(spl_boot_list[i]);
> >                 if (!spl_load_image(spl_boot_list[i]))
> >                         break;
> >         }
> > --
> > 1.9.1
> >
> 
> Regards,
> Simon
>