The 03/21/2022 10:55, Cédric Le Goater wrote:
> Hello Jamin,
>
> On 3/21/22 10:14, Jamin Lin wrote:
> > 1. Add GPIO read/write trace event.
> > 2. Support GPIO index mode for write operation.
> > It did not support GPIO index mode for read operation.
> > 3. AST1030 integrates one set of Parallel GPIO Controller
>
> Is the AST1030 a new SoC you are developing ? We don't have a machine
> for it in QEMU. We should introduce the models first if the changes
> are specific to this SoC.
>
> Thanks,
>
> C.
>
>
I submitted a new patch series for AST1030 model support.
So far, only GPIO driver for AST1030 used "index mode" for write
operation.
Thanks-Jamin
> > with maximum 151 control pins, which are 21 groups
> > (A~U, exclude pin: M6 M7 Q5 Q6 Q7 R0 R1 R4 R5 R6 R7 S0 S3 S4
> > S5 S6 S7 ) and the group T and U are input only.
> >
> > Test Steps:
> > 1. Download image from
> > https://github.com/AspeedTech-BMC/zephyr/releases/download/v00.01.04/ast1030-evb-demo.zip
> > 2. Extract the zip file to obtain zephyr.elf
> > 3. Run ./qemu-system-arm -M ast1030-evb -kernel $PATH/zephyr.elf -nographic
> > 4. Test GPIO D6 Pin
> > uart:~$ gpio conf GPIO0_A_D 30 out
> > uart:~$ gpio get GPIO0_A_D 30
> > [Result]
> > Reading GPIO0_A_D pin 30
> > Value 0
> > uart:~$ gpio set GPIO0_A_D 30 1
> > uart:~$ gpio get GPIO0_A_D 30
> > [Result]
> > Reading GPIO0_A_D pin 30
> > Value 1
> > uart:~$ gpio set GPIO0_A_D 30 0
> > uart:~$ gpio get GPIO0_A_D 30
> > [Result]
> > Reading GPIO0_A_D pin 30
> > Value 0
> >
> > Jamin Lin (1):
> > hw/gpio: Add ASPEED GPIO model for AST1030
> >
> > hw/gpio/aspeed_gpio.c | 250 ++++++++++++++++++++++++++++++++--
> > hw/gpio/trace-events | 5 +
> > include/hw/gpio/aspeed_gpio.h | 16 ++-
> > 3 files changed, 255 insertions(+), 16 deletions(-)
> >
>