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

Stefan Mavrodiev stefan.mavrodiev at gmail.com
Tue Jan 30 07:15:44 UTC 2018 

On 01/22/2018 10:36 AM, Jagan Teki wrote:
> 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?
I assume Rev.6 is actually Rev.F. The first prototype with SPI flash is 
Rev.I (Rev.9).
>
>>>
>>>>     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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