Datel XBox 360 adapter

[Oleksij Rempel]

Hi,

Am 20.05.2017 um 23:03 schrieb Tobias Diedrich:
> Hi,
> 
> while looking for a AR7010-based wlan adapter I bought a used Datel
> XBox 360 adapter on ebay.
> 
> Interestingly compared to the pictures on
> https://wikidevi.com/wiki/Datel_Wireless_%27N%27_Networking_Adapter_For_Xbox_360
> mine doesn't have the raw//science XB102 chip (which seems to be
> connected to what I'd guess are the jtag pins?).

this pins can be multiplexed with other funktionions. But i don't have
ar7010 docs, so not really sure

> I've got it to work with a minor hacky patch (the eeprom data is
> stored at the end of the SPI flash instead of the EEPROM which is
> populated, but empty (all 0s)):
> 
> usb 1-3.4.3: New USB device found, idVendor=045e, idProduct=02a8
> usb 1-3.4.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> usb 1-3.4.3: Product: Wireless Network Adapter Boot
> usb 1-3.4.3: Manufacturer: Microsoft Corporation
> usb 1-3.4.3: SerialNumber: <redacted>
> usb 1-3.4.3: ath9k_htc: Firmware ath9k_htc/htc_7010-1.4.0.fw requested
> usbcore: registered new interface driver ath9k_htc
> usb 1-3.4.3: ath9k_htc: Transferred FW: ath9k_htc/htc_7010-1.4.0.fw, size: 72812
> ath9k_htc 1-3.4.3:1.0: ath9k_htc: HTC initialized with 45 credits
> ath9k_htc 1-3.4.3:1.0: ath9k_htc: FW Version: 1.4
> ath9k_htc 1-3.4.3:1.0: FW RMW support: On
> ath: EEPROM regdomain: 0x0
> ath: EEPROM indicates default country code should be used
> ath: doing EEPROM country->regdmn map search
> ath: country maps to regdmn code: 0x3a
> ath: Country alpha2 being used: US
> ath: Regpair used: 0x3a
> ieee80211 phy29: Atheros AR9280 Rev:2
> ath9k_htc 1-3.4.3:1.0 wlx0<redacted>: renamed from wlan0
> 
> 
> The 512KiB SPI flash (Winbond W25X40) is memory-mapped at 0xf000000 in the
> Xtensa address space, with two identical copies of the wifi EEPROM data at the
> very end of the flash at offset 0x7e000 and 0x7f000.
> 
> Any suggestions on how to hook this up more properly instead of this hack?

First of all thank you for your work! :)

I would assume, adding a quirk will be the way to go.
> 
> Hacky patch to read the ath9k eeprom data from the memory-mapped PSI flash instead of the actual EEPROM:
> 
> --- a/drivers/net/wireless/ath/ath9k/hif_usb.c
> +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
> @@ -57,6 +57,8 @@ static struct usb_device_id ath9k_hif_us
>  	  .driver_info = AR9280_USB },
>  	{ USB_DEVICE(0x0930, 0x0a08),
>  	  .driver_info = AR9280_USB },  /* Toshiba WLM-20U2 and GN-1080 */
> +	{ USB_DEVICE(0x045e, 0x02a8),
> +	  .driver_info = AR9280_USB },  /* Datel Xbox 360 */

For example:
	.driver_info = AR9280_USB_SPI

>  	{ USB_DEVICE(0x0cf3, 0x20ff),
>  	  .driver_info = STORAGE_DEVICE },
> --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
> +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
> @@ -522,6 +522,22 @@ static bool ath_usb_eeprom_read(struct a
>  {
>  	struct ath_hw *ah = (struct ath_hw *) common->ah;
>  
> +	u32 magic = REG_READ(ah, 0xf07f000);
> +	if (magic == 0x00005aa5 || magic == 0x5aa50000) {
> +		u32 offset = (off << 1) & ~3;
> +		u32 word = be32_to_cpu(REG_READ(ah, 0xf07f000 + offset));
> +		u16 x;
> +		if (off & 1) {
> +			x = word;
> +		} else {
> +			x = word >> 16;
> +		}
> +		*data = x;
> +		return true;
> +	} else {
> +		ath_info(common, "Magic=%08x\n", magic);
> +	}
> +
>  	(void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
>  
>  	if (!ath9k_hw_wait(ah,
> --- a/drivers/net/wireless/ath/ath9k/eeprom.c
> +++ b/drivers/net/wireless/ath/ath9k/eeprom.c
> @@ -84,6 +84,14 @@ void ath9k_hw_usb_gen_fill_eeprom(struct
>  	u32 addrdata[8];
>  	u32 data[8];
>  
> +#if 1
> +	for (addr = 0; addr < size; addr++) {
> +		if (!ath9k_hw_nvram_read(ah, addr + eep_start_loc, eep_data))
> +			return;
> +		eep_data++;
> +	}
> +
> +#else
>  	for (addr = 0; addr < size; addr++) {
>  		addrdata[i] = AR5416_EEPROM_OFFSET +
>  			((addr + eep_start_loc) << AR5416_EEPROM_S);
> @@ -107,6 +115,7 @@ void ath9k_hw_usb_gen_fill_eeprom(struct
>  			eep_data++;
>  		}
>  	}
> +#endif
>  }
>  
>  static bool ath9k_hw_nvram_read_array(u16 *blob, size_t blob_size,
> 
> 
> 


-- 
Regards,
Oleksij

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