[U-Boot] [PATCH 3/4] USB:gadget:designware Support high speed

[Amit Virdi]

Dear Marek,

On 3/5/2012 11:45 PM, Marek Vasut wrote:
> Dear Amit Virdi,
>
>> From: Vipin KUMAR<vipin.kumar at st.com>
>>
>> This patch adds the support for usb device high speed for designware
>> peripheral.
>>
>> Signed-off-by: Vipin Kumar<vipin.kumar at st.com>
>> Signed-off-by: Amit Virdi<amit.virdi at st.com>
>> ---
>>   drivers/usb/gadget/designware_udc.c |   13 +++++++++----
>>   include/usb/designware_udc.h        |    3 +++
>>   2 files changed, 12 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/usb/gadget/designware_udc.c
>> b/drivers/usb/gadget/designware_udc.c index 3c20f3d..d4b53a2 100644
>> --- a/drivers/usb/gadget/designware_udc.c
>> +++ b/drivers/usb/gadget/designware_udc.c
>> @@ -566,7 +566,7 @@ int udc_init(void)
>>   	writel(~0x0,&udc_regs_p->dev_int_mask);
>>   	writel(~0x0,&udc_regs_p->endp_int_mask);
>>
>> -	writel(DEV_CONF_FS_SPEED | DEV_CONF_REMWAKEUP | DEV_CONF_SELFPOW |
>> +	writel(DEV_CONF_HS_SPEED | DEV_CONF_REMWAKEUP | DEV_CONF_SELFPOW |
>>   	       DEV_CONF_PHYINT_16,&udc_regs_p->dev_conf);
>
> Won't this break anything?

You're right. Perhaps, it's better to configure FS only if the FS is 
configured. I'll amend this part.

>>
>>   	writel(DEV_CNTL_SOFTDISCONNECT,&udc_regs_p->dev_cntl);
>> @@ -577,6 +577,11 @@ int udc_init(void)
>>   	return 0;
>>   }
>>
>> +int is_usbd_high_speed(void)
>> +{
>> +	return (readl(&udc_regs_p->dev_stat)&  DEV_STAT_ENUM) ? 0 : 1;
>> +}
>> +
>>   /*
>>    * udc_setup_ep - setup endpoint
>>    * Associate a physical endpoint with endpoint_instance
>> @@ -792,7 +797,7 @@ void udc_startup_events(struct usb_device_instance
>> *device) /*
>>    * Plug detection interrupt handling
>>    */
>> -void dw_udc_plug_irq(void)
>> +static void dw_udc_plug_irq(void)
>
> This staticisation stuff should go in a separate patch please.
>

Ok.

>>   {
>>   	if (readl(&plug_regs_p->plug_state)&  PLUG_STATUS_ATTACHED) {
>>   		/*
>> @@ -816,7 +821,7 @@ void dw_udc_plug_irq(void)
>>   /*
>>    * Device interrupt handling
>>    */
>> -void dw_udc_dev_irq(void)
>> +static void dw_udc_dev_irq(void)
>>   {
>>   	if (readl(&udc_regs_p->dev_int)&  DEV_INT_USBRESET) {
>>   		writel(~0x0,&udc_regs_p->endp_int_mask);
>> @@ -886,7 +891,7 @@ void dw_udc_dev_irq(void)
>>   /*
>>    * Endpoint interrupt handling
>>    */
>> -void dw_udc_endpoint_irq(void)
>> +static void dw_udc_endpoint_irq(void)
>>   {
>>   	while (readl(&udc_regs_p->endp_int)&  ENDP0_INT_CTRLOUT) {
>>
>> diff --git a/include/usb/designware_udc.h b/include/usb/designware_udc.h
>> index ae98e8c..8d48ae9 100644
>> --- a/include/usb/designware_udc.h
>> +++ b/include/usb/designware_udc.h
>> @@ -197,6 +197,9 @@ struct udcfifo_regs {
>>   #define  UDC_INT_PACKET_SIZE		64
>>   #define  UDC_OUT_ENDPOINT		2
>>   #define  UDC_BULK_PACKET_SIZE		64
>> +#if defined(CONFIG_USBD_HS)
>> +#define  UDC_BULK_HS_PACKET_SIZE	512
>> +#endif
>
> You can define this without the ifdef
>

Ok.

>>   #define  UDC_IN_ENDPOINT		3
>>   #define  UDC_OUT_PACKET_SIZE		64
>>   #define  UDC_IN_PACKET_SIZE		64
>

Thanks for reviewing.

Best Regards
Amit Virdi