On 03/16/2016 10:12 AM, Daniel Schwierzeck wrote:
>
>
> Am 15.03.2016 um 13:44 schrieb Purna Chandra Mandal:
>> Enable MUSB host and USB storage support for Microchip
>> PIC32MZ[DA] Starter Kit.
>>
>> Signed-off-by: Purna Chandra Mandal <purna.man...@microchip.com>
>>
>> ---
>>
>> Changes in v3:
>> - add arch specific reads{bwlq}, writes{bwlq} in respective arch io.h
>> - remove reads{bwlq}, writes{bwlq} in musb-new driver
>>
>> Changes in v2:
>> - compilation fix in drivers/usb/musb-new/linux-compat.h seperated
>> - compilation fix in drivers/gadget/f_mass_storage.c seperated
>>
>> arch/mips/dts/pic32mzda.dtsi | 10 ++++++++++
>> arch/mips/dts/pic32mzda_sk.dts | 4 ++++
>> configs/pic32mzdask_defconfig | 6 +++++-
>> include/configs/pic32mzdask.h | 7 +++++++
>> 4 files changed, 26 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/mips/dts/pic32mzda.dtsi b/arch/mips/dts/pic32mzda.dtsi
>> index 7d180d9..57e4500 100644
>> --- a/arch/mips/dts/pic32mzda.dtsi
>> +++ b/arch/mips/dts/pic32mzda.dtsi
>> @@ -171,4 +171,14 @@
>> #address-cells = <1>;
>> #size-cells = <0>;
>> };
>> +
>> + usb: musb@1f8e3000 {
>> + compatible = "microchip,pic32mzda-usb";
>> + reg = <0x1f8e3000 0x1000>,
>> + <0x1f884000 0x1000>;
>> + reg-names = "mc", "control";
>> + interrupts = <132 IRQ_TYPE_EDGE_RISING>,
>> + <133 IRQ_TYPE_LEVEL_HIGH>;
>> + status = "disabled";
>> + };
>> };
>> diff --git a/arch/mips/dts/pic32mzda_sk.dts b/arch/mips/dts/pic32mzda_sk.dts
>> index e5ce0bd..0a7847e 100644
>> --- a/arch/mips/dts/pic32mzda_sk.dts
>> +++ b/arch/mips/dts/pic32mzda_sk.dts
>> @@ -52,4 +52,8 @@
>> ethernet_phy: lan8740_phy@0 {
>> reg = <0>;
>> };
>> +};
>> +
>> +&usb {
>> + status = "okay";
>> };
>> \ No newline at end of file
>> diff --git a/configs/pic32mzdask_defconfig b/configs/pic32mzdask_defconfig
>> index 1dbe1b5..544112f 100644
>> --- a/configs/pic32mzdask_defconfig
>> +++ b/configs/pic32mzdask_defconfig
>> @@ -12,6 +12,7 @@ CONFIG_SYS_PROMPT="dask # "
>> CONFIG_LOOPW=y
>> CONFIG_CMD_MEMTEST=y
>> CONFIG_CMD_MEMINFO=y
>> +CONFIG_CMD_USB=y
>> # CONFIG_CMD_FPGA is not set
>> CONFIG_CMD_GPIO=y
>> CONFIG_CMD_RARP=y
>> @@ -28,6 +29,9 @@ CONFIG_DM_ETH=y
>> CONFIG_PIC32_ETH=y
>> CONFIG_PINCTRL=y
>> # CONFIG_PINCTRL_FULL is not set
>> -CONFIG_SYS_VSNPRINTF=y
>> +CONFIG_USB=y
>> +CONFIG_DM_USB=y
>> +CONFIG_USB_MUSB_HOST=y
>> +CONFIG_USB_STORAGE=y
>> CONFIG_USE_TINY_PRINTF=y
>> CONFIG_CMD_DHRYSTONE=y
>> diff --git a/include/configs/pic32mzdask.h b/include/configs/pic32mzdask.h
>> index 2d35a0b..1d5be2b 100644
>> --- a/include/configs/pic32mzdask.h
>> +++ b/include/configs/pic32mzdask.h
>> @@ -117,6 +117,12 @@
>> #define CONFIG_GENERIC_MMC
>> #define CONFIG_CMD_MMC
>>
>> +/*--------------------------------------------------
>> + * USB Configuration
>> + */
>> +#define CONFIG_USB_MUSB_PIO_ONLY
>> +#define CONFIG_SYS_CACHELINE_SIZE 16
>
> I see CONFIG_SYS_CACHELINE_SIZE is used in drivers/usb/ in various memalign()
> calls. Actually we have ARCH_DMA_MINALIGN for this case. At least for MIPS I
> want to get rid of CONFIG_SYS_CACHELINE_SIZE in the future becasue we have
> auto-detection for that.
>
> If possible I'd like to see a patch which replaces CONFIG_SYS_CACHELINE_SIZE
> with ARCH_DMA_MINALIGN in drivers/user/. Marek what do you think?
I think that makes sense.
>> +
>> /*-----------------------------------------------------------------------
>> * File System Configuration
>> */
>> @@ -167,6 +173,7 @@
>>
>> #define BOOT_TARGET_DEVICES(func) \
>> func(MMC, mmc, 0) \
>> + func(USB, usb, 0) \
>> func(DHCP, dhcp, na)
>>
>> #include <config_distro_bootcmd.h>
>>
>
--
Best regards,
Marek Vasut
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