[U-Boot] [PATCH v3 2/2] Enable test case with A20-OLinuXino-Lime2

Jagan Teki jagannadh.teki at gmail.com
Mon Jan 22 08:36:11 UTC 2018 

On Tue, Jan 2, 2018 at 4:31 PM, Stefan Mavrodiev
<stefan.mavrodiev at gmail.com> wrote:
> On 12/26/2017 11:47 AM, Jagan Teki wrote:
>>
>> On Fri, Dec 22, 2017 at 3:30 PM, Stefan Mavrodiev <stefan at olimex.com>
>> wrote:
>>>
>>> Driver testing is done with A20-OLinuXino-Lime2. Testing
>>> requirements are:
>>>    - Exposing spi0 alternative pins in the dts file
>>>    - Add alias node, enabling driver probing
>>>    - Enable spi flash related options in the defconfig file
>>>
>>> The testing log is:
>>>    U-Boot SPL 2018.01-rc2-00023-gfa13cb3-dirty (Dec 22 2017 - 11:39:48)
>>>    DRAM: 1024 MiB
>>>    CPU: 912000000Hz, AXI/AHB/APB: 3/2/2
>>>    Trying to boot from sunxi SPI
>>>
>>>
>>>    U-Boot 2018.01-rc2-00023-gfa13cb3-dirty (Dec 22 2017 - 11:39:48 +0200)
>>> Allwinner Technology
>>>
>>>    CPU:   Allwinner A20 (SUN7I)
>>>    Model: Olimex A20-OLinuXino-LIME2
>>
>> Lime2 doen't have in-built spi-nor is it?
>
> We have some prototypes with this option.

I've Rev.6 does it have spi-nor?

>>
>>
>>>    I2C:   ready
>>>    DRAM:  1 GiB
>>>    MMC:   SUNXI SD/MMC: 0
>>>    MMC: no card present
>>>    mmc_init: -123, time 1
>>>    *** Warning - MMC init failed, using default environment
>>
>> you lost the env? since it's spi-nor better to use flash env.
>
> What's the point since this is only test case?

this can be an issue if we boot the system from spi-nor, where we can
get saved env.

>>
>>
>>>    In:    serial
>>>    Out:   serial
>>>    Err:   serial
>>>    Allwinner mUSB OTG (Peripheral)
>>>    SCSI:  SATA link 0 timeout.
>>>    AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
>>>    flags: ncq stag pm led clo only pmp pio slum part ccc apst
>>>    Net:   No ethernet found.
>>>    starting USB...
>>>    USB0:   USB EHCI 1.00
>>>    USB1:   USB OHCI 1.0
>>>    USB2:   USB EHCI 1.00
>>>    USB3:   USB OHCI 1.0
>>>    scanning bus 0 for devices... 1 USB Device(s) found
>>>    scanning bus 2 for devices... 1 USB Device(s) found
>>>           scanning usb for storage devices... 0 Storage Device(s) found
>>>    Hit any key to stop autoboot:  0
>>>    => sspi
>>>
>>>    => sf probe
>>>    SF: Detected w25q128bv with page size 256 Bytes, erase size 4 KiB,
>>> total 16 MiB
>>
>> try to use erase/write and read commands to verify
>
> # Erase one sector
> => sf erase 0x1000 0x100
> SF: 256 bytes @ 0x1000 Erased: ERROR
> => sf erase 0x1000 0x1000
> SF: 4096 bytes @ 0x1000 Erased: OK
>
> # Get some random data
> => md.b 0x50000000 0x100
> 50000000: d6 4d d0 7e 93 d8 0f 48 1b ef 7f 7e be 4e a8 5d .M.~...H...~.N.]
> 50000010: fd 9f e5 7f 2f 7b 5b 19 ed de d8 58 99 7a 24 da ..../{[....X.z$.
> 50000020: ef dd 9c 45 d7 97 ab 4f e7 fb ee 61 bc de 6a 1a ...E...O...a..j.
> 50000030: 9a 9f f4 3a be 4b 2f f3 ce 77 87 7e 07 23 af ff ...:.K/..w.~.#..
> 50000040: e5 e5 c0 fa 65 e2 78 9b 16 38 42 52 e5 6c 52 0d ....e.x..8BR.lR.
> 50000050: f5 ff da 94 7f 98 96 d7 f0 9d 66 ae 9b b9 a2 cd ..........f.....
> 50000060: 0b dd f1 c9 1d 3b fe 5b cf ef d6 ce 8b c5 fd 56 .....;.[.......V
> 50000070: e2 52 eb 78 d4 f1 bf 57 56 6a 57 58 52 f1 0e 9d .R.x...WVjWXR...
> 50000080: df be f8 19 bf cf d7 ac 4b 3e 86 21 3f c3 fe 3e ........K>.!?..>
> 50000090: ea 27 52 ca 1f 79 bd 7b ef bf 96 c9 9d f6 81 d3 .'R..y.{........
> 500000a0: cc 2e 8b c8 34 7f c5 2f 29 19 a8 dc 54 7a 07 1d ....4../)...Tz..
> 500000b0: f4 e6 db ed 38 03 59 bb 31 ee b3 dd 5c e6 be 58 ....8.Y.1...\..X
> 500000c0: a6 7c 87 61 84 47 e0 b1 a1 fc 6e d3 d5 93 bf 8a .|.a.G....n.....
> 500000d0: 5d a3 be 4b cf 07 1d 92 ff 36 f9 46 fb 5a cb 8f ]..K.....6.F.Z..
> 500000e0: f9 27 7a b8 7b 07 2e 22 a1 ee 56 bc a7 de 57 6a .'z.{.."..V...Wj
> 500000f0: da d4 7d 7f ee db 7a e2 bc 5c 44 64 b7 fc ea 3e ..}...z..\Dd...
>
> # Write one page to spi-nor
> => sf write 0x50000000 0x1000 0x100
> device 0 offset 0x1000, size 0x100
> SF: 256 bytes @ 0x1000 Written: OK
>
> # Readback data
> => sf read 0x51000000 0x1000 0x100
> device 0 offset 0x1000, size 0x100
> SF: 256 bytes @ 0x1000 Read: OK
>
> # Compare data
> => cmp.b 0x50000000 0x51000000 0x100
> Total of 256 byte(s) were the same
>
>>
>>>    => sf test 0 100000
>>>    SPI flash test:
>>>    0 erase: 11407 ticks, 89 KiB/s 0.712 Mbps
>>>    1 check: 8881 ticks, 115 KiB/s 0.920 Mbps
>>>    2 write: 10824 ticks, 94 KiB/s 0.752 Mbps
>>>    3 read: 8872 ticks, 115 KiB/s 0.920 Mbps
>>>    Test passed
>>>    0 erase: 11407 ticks, 89 KiB/s 0.712 Mbps
>>>    1 check: 8881 ticks, 115 KiB/s 0.920 Mbps
>>>    2 write: 10824 ticks, 94 KiB/s 0.752 Mbps
>>>    3 read: 8872 ticks, 115 KiB/s 0.920 Mbps
>>>    =>
>>>
>>> Signed-off-by: Stefan Mavrodiev <stefan at olimex.com>
>>> ---
>>>   arch/arm/dts/sun7i-a20-olinuxino-lime2.dts | 21 +++++++++++++++++++++
>>>   configs/A20-OLinuXino-Lime2_defconfig      |  8 ++++++++
>>>   2 files changed, 29 insertions(+)
>>>
>>> diff --git a/arch/arm/dts/sun7i-a20-olinuxino-lime2.dts
>>> b/arch/arm/dts/sun7i-a20-olinuxino-lime2.dts
>>> index d5c796c..3c708da 100644
>>> --- a/arch/arm/dts/sun7i-a20-olinuxino-lime2.dts
>>> +++ b/arch/arm/dts/sun7i-a20-olinuxino-lime2.dts
>>> @@ -54,6 +54,7 @@
>>>
>>>          aliases {
>>>                  serial0 = &uart0;
>>> +               spi0 = &spi0;
>>>          };
>>>
>>>          chosen {
>>> @@ -215,6 +216,20 @@
>>>                  allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>>>          };
>>>
>>> +       spi0_pins_b: spi0 at 1 {
>>> +               allwinner,pins = "PC0", "PC1", "PC2";
>>> +               allwinner,function = "spi0";
>>> +               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
>>> +               allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>>> +       };
>>> +
>>> +       spi0_cs0_pins_b: spi0_cs0 at 1 {
>>> +               allwinner,pins = "PC23";
>>> +               allwinner,function = "spi0";
>>> +               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
>>> +               allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>>> +       };
>>> +
>>>          usb0_id_detect_pin: usb0_id_detect_pin at 0 {
>>>                  allwinner,pins = "PH4";
>>>                  allwinner,function = "gpio_in";
>>> @@ -257,6 +272,12 @@
>>>          status = "okay";
>>>   };
>>>
>>> +&spi0 {
>>> +       pinctrl-names = "default";
>>> +       pinctrl-0 = <&spi0_pins_b>, <&spi0_cs0_pins_b>;
>>> +       status = "okay";
>>> +};
>>> +
>>>   &uart0 {
>>>          pinctrl-names = "default";
>>>          pinctrl-0 = <&uart0_pins_a>;
>>> diff --git a/configs/A20-OLinuXino-Lime2_defconfig
>>> b/configs/A20-OLinuXino-Lime2_defconfig
>>> index 1edc844..c499e3d 100644
>>> --- a/configs/A20-OLinuXino-Lime2_defconfig
>>> +++ b/configs/A20-OLinuXino-Lime2_defconfig
>>> @@ -30,3 +30,11 @@ CONFIG_SCSI=y
>>>   CONFIG_USB_EHCI_HCD=y
>>>   CONFIG_USB_MUSB_GADGET=y
>>>   CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y
>>> +CONFIG_CMD_SF=y
>>> +CONFIG_CMD_SF_TEST=y
>>
>> Ok, but not useful to include in config's
>>
>>> +CONFIG_CMD_SPI=y

drop this.

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