[U-Boot] [RFC PATCH 3/3] ARM: atmel: add RNDIS gadget support

[Marek Vasut <marex@denx.de>]

Dear Bo Shen,

> Add RNDIS gadget support to test atmel usba udc driver
> 
> Signed-off-by: Bo Shen <voice.shen@atmel.com>
> 
> ---
>  arch/arm/cpu/armv7/at91/sama5d3_devices.c    |   12 ++++++
>  arch/arm/include/asm/arch-at91/at91_common.h |    1 +
>  board/atmel/sama5d3xek/sama5d3xek.c          |   51
> ++++++++++++++++++++++++++ include/configs/sama5d3xek.h                 | 
>   8 ++++
>  4 files changed, 72 insertions(+)
> 
> diff --git a/arch/arm/cpu/armv7/at91/sama5d3_devices.c
> b/arch/arm/cpu/armv7/at91/sama5d3_devices.c index 4a3fca5..12c6d08 100644
> --- a/arch/arm/cpu/armv7/at91/sama5d3_devices.c
> +++ b/arch/arm/cpu/armv7/at91/sama5d3_devices.c
> @@ -178,3 +178,15 @@ void at91_lcd_hw_init(void)
>  	at91_periph_clk_enable(ATMEL_ID_LCDC);
>  }
>  #endif
> +
> +#ifdef CONFIG_USB_GADGET_ATMEL_USBA
> +void at91_udp_hw_init(void)
> +{
> +	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
> +
> +	/* Enable UPLL clock */
> +	writel(AT91_PMC_UPLLEN | AT91_PMC_BIASEN, &pmc->uckr);
> +	/* Enable UDPHS clock */
> +	at91_periph_clk_enable(ATMEL_ID_UDPHS);
> +}
> +#endif
> diff --git a/arch/arm/include/asm/arch-at91/at91_common.h
> b/arch/arm/include/asm/arch-at91/at91_common.h index d659702..7acc1b0
> 100644
> --- a/arch/arm/include/asm/arch-at91/at91_common.h
> +++ b/arch/arm/include/asm/arch-at91/at91_common.h
> @@ -18,6 +18,7 @@ void at91_serial2_hw_init(void);
>  void at91_seriald_hw_init(void);
>  void at91_spi0_hw_init(unsigned long cs_mask);
>  void at91_spi1_hw_init(unsigned long cs_mask);
> +void at91_udp_hw_init(void);
>  void at91_uhp_hw_init(void);
>  void at91_lcd_hw_init(void);
> 
> diff --git a/board/atmel/sama5d3xek/sama5d3xek.c
> b/board/atmel/sama5d3xek/sama5d3xek.c index 4a309ad..161e8ed 100644
> --- a/board/atmel/sama5d3xek/sama5d3xek.c
> +++ b/board/atmel/sama5d3xek/sama5d3xek.c
> @@ -20,6 +20,10 @@
>  #include <net.h>
>  #include <netdev.h>
> 
> +#ifdef CONFIG_USB_GADGET_ATMEL_USBA
> +#include <linux/usb/atmel_usba_udc.h>
> +#endif
> +
>  DECLARE_GLOBAL_DATA_PTR;
> 
>  /*
> -------------------------------------------------------------------------
> */ @@ -169,6 +173,9 @@ int board_init(void)
>  #ifdef CONFIG_CMD_USB
>  	sama5d3xek_usb_hw_init();
>  #endif
> +#ifdef CONFIG_USB_GADGET_ATMEL_USBA
> +	at91_udp_hw_init();
> +#endif
>  #ifdef CONFIG_GENERIC_ATMEL_MCI
>  	sama5d3xek_mci_hw_init();
>  #endif
> @@ -193,6 +200,44 @@ int dram_init(void)
>  	return 0;
>  }
> 
> +#ifdef CONFIG_USB_GADGET_ATMEL_USBA
> +#define EP(nam, idx, maxpkt, maxbk, dma, isoc)		\
> +	[idx] = {					\
> +		.name	= nam,				\
> +		.index	= idx,				\
> +		.fifo_size	= maxpkt,		\
> +		.nr_banks	= maxbk,		\
> +		.can_dma	= dma,			\
> +		.can_isoc	= isoc,			\
> +	}
> +
> +static struct usba_ep_data usba_udc_ep[] = {
> +	EP("ep0", 0, 64, 1, 0, 0),
> +	EP("ep1", 1, 1024, 3, 1, 0),
> +	EP("ep2", 2, 1024, 3, 1, 0),
> +	EP("ep3", 3, 1024, 2, 1, 0),
> +	EP("ep4", 4, 1024, 2, 1, 0),
> +	EP("ep5", 5, 1024, 2, 1, 0),
> +	EP("ep6", 6, 1024, 2, 1, 0),
> +	EP("ep7", 7, 1024, 2, 1, 0),
> +	EP("ep8", 8, 1024, 2, 0, 0),
> +	EP("ep9", 9, 1024, 2, 0, 0),
> +	EP("ep10", 10, 1024, 2, 0, 0),
> +	EP("ep11", 11, 1024, 2, 0, 0),
> +	EP("ep12", 12, 1024, 2, 0, 0),
> +	EP("ep13", 13, 1024, 2, 0, 0),
> +	EP("ep14", 14, 1024, 2, 0, 0),
> +	EP("ep15", 15, 1024, 2, 0, 0),
> +};

Can this not be part of the driver itself ?