Re: [RFC PATCH v6 00/11] hw/ssi: imx_spi: Fix various bugs in the imx_spi model

[Philippe Mathieu-Daudé]

On 1/13/21 2:27 PM, Bin Meng wrote:
> Hi Philippe,
> 
> On Wed, Jan 13, 2021 at 3:53 PM Philippe Mathieu-Daudé <f4bug@amsat.org> 
> wrote:
>>
>> Hi Ben,
>>
>> On 1/13/21 4:29 AM, Bin Meng wrote:
>>> On Wed, Jan 13, 2021 at 2:35 AM Philippe Mathieu-Daudé <f4bug@amsat.org> 
>>> wrote:
>>>>
>>>> Hi,
>>>>
>>>> As it is sometimes harder for me to express myself in plain
>>>> English, I found it easier to write the patches I was thinking
>>>> about. I know this doesn't scale.
>>>>
>>>> So this is how I understand the ecSPI reset works, after
>>>> looking at the IMX6DQRM.pdf datasheet.
>>>>
>>>> This is a respin of Ben's v5 series [*].
>>>> Tagged RFC because I have not tested it :)
>>>
>>> Unfortunately this series breaks SPI flash testing under both U-Boot
>>> and VxWorks 7.
>>
>> Thanks for testing :) Can you provide the binary tested and the command
>> line used? At least one, so I can have a look.
> 
> Sure, will send you offline.

Arf, stupid mistake in patch 7 :) With this diff I can run your
test:

-- >8 --
--- a/hw/ssi/imx_spi.c
+++ b/hw/ssi/imx_spi.c
@@ -343,7 +343,7 @@ static void imx_spi_write(void *opaque, hwaddr
offset, uint64_t value,
             return;
         }
         s->regs[ECSPI_CONREG] = value;
-        if (value & ECSPI_CONREG_EN) {
+        if (!(value & ECSPI_CONREG_EN)) {
             /* Keep disabled */
             return;
         }
---

Regards,

Phil.