[U-Boot] [PATCH v4 2/2] Enable test case with A20-OLinuXino-Lime2

Stefan Mavrodiev stefan.mavrodiev at gmail.com
Wed Feb 7 09:24:19 UTC 2018


On 02/07/2018 09:25 AM, Jagan Teki wrote:
> On Wed, Feb 7, 2018 at 12:35 PM, Stefan Mavrodiev
> <stefan.mavrodiev at gmail.com> wrote:
>> On 02/07/2018 08:39 AM, Jagan Teki wrote:
>>> On Wed, Feb 7, 2018 at 12:00 PM, Stefan Mavrodiev
>>> <stefan.mavrodiev at gmail.com> wrote:
>>>> On 02/06/2018 06:48 PM, Jagan Teki wrote:
>>>>> On Tue, Feb 6, 2018 at 6:44 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
>>>>>>      - Add flash sub-node of spi
>>>>>>      - Enable spi flash related options in the defconfig file
>>>>>>
>>>>>> The testing log is:
>>>>>>
>>>>>>      U-Boot SPL 2018.03-rc1-00075-g35a689a-dirty (Feb 06 2018 - 14:40:07
>>>>>> +0200)
>>>>>>      DRAM: 1024 MiB
>>>>>>      CPU: 912000000Hz, AXI/AHB/APB: 3/2/2
>>>>>>      Trying to boot from FEL
>>>>> Why FEL? can't it boot from SPI-FLASH?
>>>> Because I previously erased the flash during testing. Here is same,
>>>> booting
>>>> from SPI:
>>>>
>>>>     U-Boot SPL 2018.03-rc1-00075-g61ce225 (Feb 07 2018 - 08:21:07 +0200)
>>>>     DRAM: 1024 MiB
>>>>     CPU: 912000000Hz, AXI/AHB/APB: 3/2/2
>>>>     Trying to boot from sunxi SPI
>>>>
>>>>
>>>>     U-Boot 2018.03-rc1-00075-g61ce225 (Feb 07 2018 - 08:21:07 +0200)
>>>> Allwinner
>>>> Technology
>>>>
>>>>
>>>>     CPU:   Allwinner A20 (SUN7I)
>>>>     Model: Olimex A20-OLinuXino-LIME2
>>>>     I2C:   ready
>>>>     DRAM:  1 GiB
>>>>     MMC:   SUNXI SD/MMC: 0
>>>>     Loading Environment from SPI Flash... SF: Detected w25q128bv with page
>>>> size 256 Bytes, erase size 4 KiB, total 16 MiB
>>>>     OK
>>>>     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:
>>>>>
>>>>>>      U-Boot 2018.03-rc1-00075-g35a689a-dirty (Feb 06 2018 - 14:40:07
>>>>>> +0200)
>>>>>> Allwinner Technology
>>>>>>
>>>>>>      CPU:   Allwinner A20 (SUN7I)
>>>>>>      Model: Olimex A20-OLinuXino-LIME2
>>>>>>      I2C:   ready
>>>>>>      DRAM:  1 GiB
>>>>>>      MMC:   SUNXI SD/MMC: 0
>>>>>>      Loading Environment from SPI Flash... SF: Detected w25q128bv with
>>>>>> page
>>>>>> size 256 Bytes, erase size 4 KiB, total 16 MiB
>>>>>>      OK
>>>>>>      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
>>>>>>
>>>>>>      # Probe device
>>>>>>      => sf probe
>>>>>>      SF: Detected w25q128bv with page size 256 Bytes, erase size 4 KiB,
>>>>>> total 16 MiB
>>>>> How did this resolved w/o sspi?
>>>> I enabled both CONFIG_SPI_FLASH and CONFIG_DM_SPI_FLASH. The driver-model
>>>> search for
>>>> "spi-flash" compatible string, probe it and bind it to the spi driver.
>>>>>
>>>>>>      # Erase
>>>>>>      => sf erase 0x1000 0x100
>>>>>>      SF: 256 bytes @ 0x1000 Erased: ERROR
>>>>>>      => sf erase 0x1000 0x1000
>>>>>>      SF: 4096 bytes @ 0x1000 Erased: OK
>>>>>>
>>>>>>      # Test
>>>>>>      => sf test 0 100000
>>>>>>      SPI flash test:
>>>>>>      0 erase: 12104 ticks, 84 KiB/s 0.672 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: 12104 ticks, 84 KiB/s 0.672 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
>>>>>>
>>>>>>      # Try write/read
>>>>>>      => sf erase 0x1000 0x1000
>>>>>>      SF: 4096 bytes @ 0x1000 Erased: OK
>>>>>>
>>>>>>      => md.b 0x50000000 0x100
>>>>>>      50000000: a9 4d b7 68 d2 48 69 c3 09 78 fa d3 33 66 e9 53
>>>>>> .M.h.Hi..x..3f.S
>>>>>>      50000010: b0 53 af 79 ad 33 79 b1 f1 e3 1d 09 2e ba dd dc
>>>>>> .S.y.3y.........
>>>>>>      50000020: 8c eb eb 53 f4 ef 66 89 b5 e9 f6 fb af 73 7f cb
>>>>>> ...S..f......s..
>>>>>>      50000030: b6 4b bf de c3 fd de bb 9a 53 ad 7d ef 38 6f bf
>>>>>> .K.......S.}.8o.
>>>>>>      50000040: fd fb e7 5e e9 db fc 0c fc f7 be 76 ad b9 fd eb
>>>>>> ...^.......v....
>>>>>>      50000050: f3 ed 5f b5 bb bd ba 8f ff df 1f bf f3 ff fb d7
>>>>>> .._.............
>>>>>>      50000060: b7 6e 9e 5f af 7a 62 ed 7f 66 1b 6d fd fb 47 f7
>>>>>> .n._.zb..f.m..G.
>>>>>>      50000070: b7 fa f4 db d5 b6 d5 ff 81 e6 f5 d9 8f ef ff db
>>>>>> ................
>>>>>>      50000080: b7 dd bd fb f3 1d 9d 2f f6 db c8 7f fb cf b9 f3
>>>>>> ......./........
>>>>>>      50000090: 3c ee da 2f b7 5e 6f bc f1 2f 2b cf 3f f2 fb ee
>>>>>> <../.^o../+.?...
>>>>>>      500000a0: 6f 5e 99 c3 3b 51 bd d4 be 40 4e db ab ed f9 77
>>>>>> o^..;Q... at N....w
>>>>>>      500000b0: 9f f6 7d ed 54 4a 68 f8 7d ee 53 9b ff ae ef e4
>>>>>> ..}.TJh.}.S.....
>>>>>>      500000c0: 73 ff 3c c7 f7 df f6 be bf 0f 97 96 3d 9b 9e 9f
>>>>>> s.<.........=...
>>>>>>      500000d0: e4 49 ca ff be fa ff df f7 7a cf ab 7f 7a 7b cf
>>>>>> .I.......z...z{.
>>>>>>      500000e0: bb c7 9f 3f c1 99 f2 f2 bf ee cf fb d5 b9 e2 e8
>>>>>> ...?............
>>>>>>      500000f0: ec e8 b2 bd 21 1f 5a ef 7a 7d 9d ad 31 89 3f 6f
>>>>>> ....!.Z.z}..1.?o
>>>>>>
>>>>>>      => sf write 0x50000000 0x1000 0x100
>>>>>>      device 0 offset 0x1000, size 0x100
>>>>>>      SF: 256 bytes @ 0x1000 Written: OK
>>>>>>      => sf read 0x51000000 0x1000 0x100
>>>>>>      device 0 offset 0x1000, size 0x100
>>>>>>      SF: 256 bytes @ 0x1000 Read: OK
>>>>>>
>>>>>>      => cmp.b 0x50000000 0x51000000 0x100
>>>>>>      Total of 256 byte(s) were the same
>>>>>>
>>>>>> Signed-off-by: Stefan Mavrodiev <stefan at olimex.com>
>>>>>> ---
>>>>>>     arch/arm/dts/sun7i-a20-olinuxino-lime2.dts | 30
>>>>>> ++++++++++++++++++++++++++++++
>>>>>>     configs/A20-OLinuXino-Lime2_defconfig      | 11 +++++++++++
>>>>>>     drivers/mtd/spi/Makefile                   |  4 +++-
>>>>>>     include/configs/sunxi-common.h             |  2 ++
>>>>>>     4 files changed, 46 insertions(+), 1 deletion(-)
>>>>>>
>>>>>> diff --git a/arch/arm/dts/sun7i-a20-olinuxino-lime2.dts
>>>>>> b/arch/arm/dts/sun7i-a20-olinuxino-lime2.dts
>>>>>> index d5c796c..a6ee87c 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>;
>>>>>> +               allw inner,pull = <SUN4I_PINCTRL_NO_PULL>;
>>>>>> +       };
>>>>>> +
>>>>>>            usb0_id_detect_pin: usb0_id_detect_pin at 0 {
>>>>>>                    allwinner,pins = "PH4";
>>>>>>                    allwinner,function = "gpio_in";
>>>>>> @@ -257,6 +272,21 @@
>>>>>>            status = "okay";
>>>>>>     };
>>>>>>
>>>>>> +&spi0 {
>>>>>> +       pinctrl-names = "default";
>>>>>> +       pinctrl-0 = <&spi0_pins_b>, <&spi0_cs0_pins_b>;
>>>>>> +       status = "okay";
>>>>>> +
>>>>>> +       flash: w25q128 at 0 {
>>>>> Was it sync from Linux?
>>>> No, this isn't in the linux dts.
>>> But we have to, please send it to Linux first.
>> We've already commented this issue. In the v2 [1], I've explained that this
>> won't go mainline, since it's optional feature. Rather it will be managed
>> with overlays.
> Thought this was already in ML, and ready to merge. So this never go
> to Linux tree since it's optional? then add u-boot.dtsi for this
> atleast since we always sync dts from Linux.

OK, I'll do this.

In the next revision, how to implement your patch [1]? As part of the 
series or
mentioned somehow?

[1]https://patchwork.ozlabs.org/patch/869946/




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