[U-Boot] [PATCH 3/3] at91, taurus, smartweb: add dfu support

[Marek Vasut <marex@denx.de>]

On Monday, June 15, 2015 at 02:43:01 PM, Heiko Schocher wrote:
> [root at pollux dfu-util]# ./src/dfu-util -l
> dfu-util 0.8
> 
> Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
> Copyright 2010-2014 Tormod Volden and Stefan Schmidt
> This program is Free Software and has ABSOLUTELY NO WARRANTY
> Please report bugs to dfu-util at lists.gnumonks.org
> 
> Found DFU: [0908:02d2] ver=0212, devnum=119, cfg=1, intf=0, alt=0,
> name="Linux", serial="UNKNOWN" [root at pollux dfu-util]#
> 
> Signed-off-by: Heiko Schocher <hs@denx.de>
> ---
> 
>  board/siemens/smartweb/smartweb.c | 29 +++++++++++++++++++++++++++++
>  board/siemens/taurus/taurus.c     | 27 +++++++++++++++++++++++++++
>  include/configs/smartweb.h        | 34 ++++++++++++++++++++++++++++++----
>  include/configs/taurus.h          | 28 +++++++++++++++++++++++++++-
>  4 files changed, 113 insertions(+), 5 deletions(-)
> 
> diff --git a/board/siemens/smartweb/smartweb.c
> b/board/siemens/smartweb/smartweb.c index cf8a7f5..2d42488 100644
> --- a/board/siemens/smartweb/smartweb.c
> +++ b/board/siemens/smartweb/smartweb.c
> @@ -25,6 +25,7 @@
>  #include <asm/arch/at91_pmc.h>
>  #include <asm/arch/at91_spi.h>
>  #include <spi.h>
> +#include <asm/arch/clk.h>
>  #include <asm/arch/gpio.h>
>  #include <watchdog.h>
>  #ifdef CONFIG_MACB
> @@ -108,6 +109,29 @@ static void smartweb_macb_hw_init(void)
>  }
>  #endif /* CONFIG_MACB */
> 
> +#ifdef CONFIG_USB_GADGET_AT91
> +#include <linux/usb/at91_udc.h>
> +
> +void at91_udp_hw_init(void)
> +{
> +	at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
> +
> +	/* Enable PLLB */
> +	writel(get_pllb_init(), &pmc->pllbr);
> +	while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
> +		;

Unbounded loops are no good :-)

> +	/* Enable UDPCK clock, MCK is enabled in at91_clock_init() */
> +	at91_periph_clk_enable(ATMEL_ID_UDP);
> +
> +	writel(AT91SAM926x_PMC_UDP, &pmc->scer);
> +}

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