On Thu, Apr 7, 2022 at 10:47 AM Jon Mason <jdma...@kudzu.us> wrote:

> On Wed, Apr 6, 2022 at 11:21 PM Bruce Ashfield <bruce.ashfi...@gmail.com>
> wrote:
> >
> >
> >
> > On Thu, Mar 31, 2022 at 2:24 PM Jon Mason <jdma...@kudzu.us> wrote:
> >>
> >> Make the necessary changes to get tiny and preempt-rt working again, as
> >> well as a general reorg to make things simpler.
> >>
> >> Signed-off-by: Jon Mason <jdma...@kudzu.us>
> >> ---
> >>  .../arm-versatile-926ejs-gfx.cfg              |  16 ++-
> >>  .../arm-versatile-926ejs-preempt-rt.cfg       |   3 +
> >>  .../arm-versatile-926ejs-preempt-rt.scc       |   6 +-
> >>  .../arm-versatile-926ejs-standard.scc         |   1 -
> >>  .../arm-versatile-926ejs-tiny.scc             |   1 -
> >>  .../arm-versatile-926ejs.cfg                  | 105 +++++++++---------
> >>  .../arm-versatile-926ejs.scc                  |   9 +-
> >>  7 files changed, 75 insertions(+), 66 deletions(-)
> >>  create mode 100644
> bsp/arm-versatile-926ejs/arm-versatile-926ejs-preempt-rt.cfg
> >>
> >> diff --git a/bsp/arm-versatile-926ejs/arm-versatile-926ejs-gfx.cfg
> b/bsp/arm-versatile-926ejs/arm-versatile-926ejs-gfx.cfg
> >> index 5e7519e0dfe2..83c71ae6b03e 100644
> >> --- a/bsp/arm-versatile-926ejs/arm-versatile-926ejs-gfx.cfg
> >> +++ b/bsp/arm-versatile-926ejs/arm-versatile-926ejs-gfx.cfg
> >> @@ -1,8 +1,16 @@
> >>  # SPDX-License-Identifier: MIT
> >> +CONFIG_INPUT=y
> >> +CONFIG_USB_HID=y
> >> +
> >> +CONFIG_INPUT_MISC=y
> >> +CONFIG_INPUT_UINPUT=y
> >> +
> >> +CONFIG_DRM_PANEL=y
> >> +CONFIG_DRM_PANEL_ARM_VERSATILE=y
> >> +CONFIG_DRM_PL111=y
> >> +
> >>  CONFIG_FB=y
> >>  CONFIG_FB_ARMCLCD=y
> >> -CONFIG_FRAMEBUFFER_CONSOLE=y
> >>
> >> -CONFIG_INPUT_TABLET=y
> >> -CONFIG_HID_WACOM=y
> >> -CONFIG_INPUT_MISC=y
> >> +CONFIG_AUXDISPLAY=y
> >> +CONFIG_ARM_CHARLCD=y
> >> diff --git
> a/bsp/arm-versatile-926ejs/arm-versatile-926ejs-preempt-rt.cfg
> b/bsp/arm-versatile-926ejs/arm-versatile-926ejs-preempt-rt.cfg
> >> new file mode 100644
> >> index 000000000000..8d4d4e2fc53b
> >> --- /dev/null
> >> +++ b/bsp/arm-versatile-926ejs/arm-versatile-926ejs-preempt-rt.cfg
> >> @@ -0,0 +1,3 @@
> >> +# SPDX-License-Identifier: MIT
> >> +# CONFIG_LEDS_TRIGGER_CPU is not set
> >> +# CONFIG_FUNCTION_GRAPH_TRACER is not set
> >> diff --git
> a/bsp/arm-versatile-926ejs/arm-versatile-926ejs-preempt-rt.scc
> b/bsp/arm-versatile-926ejs/arm-versatile-926ejs-preempt-rt.scc
> >> index 8dbe0e8601f5..c1a9d34e4058 100644
> >> --- a/bsp/arm-versatile-926ejs/arm-versatile-926ejs-preempt-rt.scc
> >> +++ b/bsp/arm-versatile-926ejs/arm-versatile-926ejs-preempt-rt.scc
> >> @@ -1,10 +1,14 @@
> >>  # SPDX-License-Identifier: MIT
> >>  define KMACHINE arm-versatile-926ejs
> >>  define KMACHINE qemuarmv5
> >> -define KMACHINE qemuarm
> >>  define KTYPE preempt-rt
> >>  define KARCH arm
> >>
> >>  # no new branch required, re-use the ktypes/preempt-rt/preempt-rt.scc
> branch
> >>  include ktypes/preempt-rt/preempt-rt.scc
> >> +branch arm-versatile-926ejs
> >> +
> >>  include arm-versatile-926ejs.scc
> >> +kconf hardware arm-versatile-926ejs-preempt-rt.cfg
> >> +
> >> +patch arm_versatile_926ejs-kick-off-PrimeCell-RTC-PL031.patch
> >> diff --git a/bsp/arm-versatile-926ejs/arm-versatile-926ejs-standard.scc
> b/bsp/arm-versatile-926ejs/arm-versatile-926ejs-standard.scc
> >> index 6edfe67bbd57..a88f385d2236 100644
> >> --- a/bsp/arm-versatile-926ejs/arm-versatile-926ejs-standard.scc
> >> +++ b/bsp/arm-versatile-926ejs/arm-versatile-926ejs-standard.scc
> >> @@ -1,7 +1,6 @@
> >>  # SPDX-License-Identifier: MIT
> >>  define KMACHINE arm-versatile-926ejs
> >>  define KMACHINE qemuarmv5
> >> -define KMACHINE qemuarm
> >>  define KTYPE standard
> >>  define KARCH arm
> >>
> >> diff --git a/bsp/arm-versatile-926ejs/arm-versatile-926ejs-tiny.scc
> b/bsp/arm-versatile-926ejs/arm-versatile-926ejs-tiny.scc
> >> index d22969f0de5e..0fa5dae7ec99 100644
> >> --- a/bsp/arm-versatile-926ejs/arm-versatile-926ejs-tiny.scc
> >> +++ b/bsp/arm-versatile-926ejs/arm-versatile-926ejs-tiny.scc
> >> @@ -1,7 +1,6 @@
> >>  # SPDX-License-Identifier: MIT
> >>  define KMACHINE arm-versatile-926ejs
> >>  define KMACHINE qemuarmv5
> >> -define KMACHINE qemuarm
> >>  define KTYPE tiny
> >>  define KARCH arm
> >>
> >> diff --git a/bsp/arm-versatile-926ejs/arm-versatile-926ejs.cfg
> b/bsp/arm-versatile-926ejs/arm-versatile-926ejs.cfg
> >> index 1f41220f9449..7cec7f886b9c 100644
> >> --- a/bsp/arm-versatile-926ejs/arm-versatile-926ejs.cfg
> >> +++ b/bsp/arm-versatile-926ejs/arm-versatile-926ejs.cfg
> >> @@ -1,78 +1,77 @@
> >>  # SPDX-License-Identifier: MIT
> >>
> -#.........................................................................
> >> -#                                WARNING
> >> -#
> >> -# This file is a kernel configuration fragment, and not a full kernel
> >> -# configuration file.  The final kernel configuration is made up of
> >> -# an assembly of processed fragments, each of which is designed to
> >> -# capture a specific part of the final configuration (e.g. platform
> >> -# configuration, feature configuration, and board specific hardware
> >> -# configuration).  For more information on kernel configuration, please
> >> -# consult the product documentation.
> >> -#
> >>
> -#.........................................................................
> >> -CONFIG_ARM=y
> >> -CONFIG_ARM_AMBA=y
> >> -CONFIG_CPU_ARM926T=y
> >> -CONFIG_CPU_32v5=y
> >
> >
> > I had a merge conflict on kernel-cache master, due to some other changes
> I was making .. and it caused me to have a closer look.
> >
> > I am curious as to why we wouldn't set CONFIG_ARM and in particular
> CONFIG_CPU_ARM926T, which used to be pretty fundamental to the versatile
> platform.
> >
> > Are they being selected elsewhere by the Kconfig's now or are they
> defaults ... or ? I didn't see them in any of the other patches, so I'm
> thinking I'm missing something.
>
> CONFIG_CPU_ARM926T is set by the platform
>
> Symbol: CPU_ARM926T [=y]
> Selected by [y]:
>    - ARCH_VERSATILE [=y] && ARCH_MULTI_V5 [=y]
>
> Not sure about CONFIG_ARM, but it's already set when I look for it.
>  Symbol: ARM [=y]
>
> If you want to add it back, feel free.
>
> Also, I'll sanity check everything once these patches make it into
> something I can reference (aside from my personal clone).  So, if you
> want to shoot me a SHA with your changes and mine, I'll run some CI on
> it.
>

Yah, ARCH_VERSATILE, seems to be the trigger to get most of the CONFIG_ARM
values that we want selected/enabled.

It is just that most of the other fragments do either have CONFIG_ARM or
CONFIG_ARM64 explicitly added.

I'll add one patch that puts it back, but otherwise, leaves things as you
have them in the series.

Bruce



>
> Thanks,
> Jon
>
> >
> > Bruce
> >
> >
> >>
> >> +CONFIG_MMU=y
> >> +CONFIG_ARCH_MULTIPLATFORM=y
> >> +CONFIG_ARCH_MULTI_V7=n
> >> +CONFIG_ARCH_MULTI_V6=n
> >>  CONFIG_ARCH_MULTI_V5=y
> >> -# CONFIG_ARCH_MULTI_V7 is not set
> >> -CONFIG_PCI_VERSATILE=y
> >> -CONFIG_CPU_CACHE_VIVT=y
> >> -CONFIG_CPU_TLB_V4WBI=y
> >> -CONFIG_CPU_COPY_V4WB=y
> >> -CONFIG_CPU_ABRT_EV5TJ=y
> >>  CONFIG_ARCH_VERSATILE=y
> >> +CONFIG_PLAT_VERSATILE=y
> >> +CONFIG_AEABI=y
> >> +CONFIG_OABI_COMPAT=y
> >> +CONFIG_FPE_NWFPE=y
> >>  CONFIG_VFP=y
> >> -
> >> -# CONFIG_PHYLIB is not set
> >> -
> >> +CONFIG_CMA=y
> >>  CONFIG_MTD=y
> >>  CONFIG_MTD_CMDLINE_PARTS=y
> >> -CONFIG_MTD_BLKDEVS=y
> >>  CONFIG_MTD_BLOCK=y
> >>  CONFIG_MTD_CFI=y
> >> -CONFIG_MTD_JEDECPROBE=y
> >> +CONFIG_MTD_CFI_ADV_OPTIONS=y
> >>  CONFIG_MTD_CFI_INTELEXT=y
> >>  CONFIG_MTD_CFI_AMDSTD=y
> >> +CONFIG_MTD_PHYSMAP=y
> >> +CONFIG_MTD_PHYSMAP_OF=y
> >> +CONFIG_MTD_PHYSMAP_VERSATILE=y
> >> +CONFIG_I2C=y
> >> +CONFIG_I2C_CHARDEV=y
> >> +CONFIG_I2C_VERSATILE=y
> >> +CONFIG_SPI=y
> >> +CONFIG_GPIOLIB=y
> >> +CONFIG_GPIO_PL061=y
> >>
> >>  CONFIG_RTC_CLASS=y
> >>  CONFIG_RTC_DRV_PL031=y
> >> +CONFIG_RTC_DRV_DS1307=y
> >>
> >> -# CONFIG_SERIAL_8250 is not set
> >> -CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
> >> +CONFIG_TTY=y
> >> +CONFIG_NULL_TTY=y
> >> +CONFIG_VT=y
> >> +CONFIG_VT_CONSOLE=y
> >> +CONFIG_VT_HW_CONSOLE_BINDING=y
> >> +CONFIG_SERIAL_8250_CONSOLE=y
> >> +CONFIG_SERIAL_8250=y
> >> +CONFIG_SERIAL_8250_EXTENDED=y
> >> +CONFIG_SERIAL_8250_MANY_PORTS=y
> >> +CONFIG_SERIAL_8250_SHARE_IRQ=y
> >> +CONFIG_SERIAL_8250_RSA=y
> >>  CONFIG_SERIAL_AMBA_PL011=y
> >> +CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
> >>
> >>  CONFIG_MMC=y
> >> -CONFIG_MMC_BLOCK=y
> >>  CONFIG_MMC_ARMMMCI=y
> >> +CONFIG_NEW_LEDS=y
> >> +CONFIG_LEDS_CLASS=y
> >> +CONFIG_LEDS_SYSCON=y
> >> +CONFIG_LEDS_TRIGGERS=y
> >> +CONFIG_LEDS_TRIGGER_HEARTBEAT=y
> >> +CONFIG_LEDS_TRIGGER_CPU=y
> >> +CONFIG_ARM_VIC=y
> >> +CONFIG_ARM_TIMER_SP804=y
> >> +CONFIG_ARM_MODULE_PLTS=y
> >> +CONFIG_CLKSRC_VERSATILE=y
> >> +CONFIG_POWER_RESET_VERSATILE=y
> >> +CONFIG_VERSATILE_FPGA_IRQ=y
> >> +CONFIG_VERSATILE_FPGA_IRQ_NR=4
> >>
> >> -CONFIG_JFFS2_FS=y
> >> -CONFIG_CRAMFS=y
> >> +CONFIG_NET_VENDOR_SMSC=y
> >> +CONFIG_SMC91X=y
> >>
> >>  CONFIG_PCI=y
> >> +CONFIG_PCI_VERSATILE=y
> >>
> >> -CONFIG_SCSI=y
> >> -CONFIG_BLK_DEV_SD=y
> >> -CONFIG_SCSI_SYM53C8XX_2=y
> >> -CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1
> >> -CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
> >> -CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
> >> -CONFIG_SCSI_SYM53C8XX_MMIO=y
> >> -
> >> +CONFIG_SOUND=y
> >> +CONFIG_SND=y
> >> +CONFIG_SND_ARM=y
> >> +CONFIG_SND_ARMAACI=y
> >>
> >>  CONFIG_SERIO=y
> >> -# CONFIG_SERIO_SERPORT is not set
> >>  CONFIG_SERIO_AMBAKMI=y
> >> -
> >> -CONFIG_USB_MON=y
> >> -CONFIG_USB_OHCI_HCD=y
> >> -CONFIG_INPUT_EVDEV=y
> >> -
> >> -CONFIG_FRAME_POINTER=y
> >> -
> >> -# CONFIG_NO_HZ is not set
> >> -# CONFIG_HIGH_RES_TIMERS is not set
> >> -
> >> -CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
> >> -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
> >> diff --git a/bsp/arm-versatile-926ejs/arm-versatile-926ejs.scc
> b/bsp/arm-versatile-926ejs/arm-versatile-926ejs.scc
> >> index 9b1ea4b43ee4..ca7b96825ff3 100644
> >> --- a/bsp/arm-versatile-926ejs/arm-versatile-926ejs.scc
> >> +++ b/bsp/arm-versatile-926ejs/arm-versatile-926ejs.scc
> >> @@ -2,11 +2,8 @@
> >>  kconf hardware arm-versatile-926ejs.cfg
> >>  kconf hardware arm-versatile-926ejs-gfx.cfg
> >>
> >> -include features/profiling/profiling.scc
> >> -include features/latencytop/latencytop.scc
> >> -
> >> -include features/usb/ehci-hcd.scc
> >> -include features/usb/uhci-hcd.scc
> >>  include features/usb/ohci-hcd.scc
> >> -include features/usb/xhci-hcd.scc
> >>
> >> +include features/net/net.scc
> >> +include features/pci/pci.scc
> >> +include cfg/virtio.scc
> >> --
> >> 2.30.2
> >>
> >>
> >> 
> >>
> >
> >
> > --
> > - Thou shalt not follow the NULL pointer, for chaos and madness await
> thee at its end
> > - "Use the force Harry" - Gandalf, Star Trek II
> >
>


-- 
- Thou shalt not follow the NULL pointer, for chaos and madness await thee
at its end
- "Use the force Harry" - Gandalf, Star Trek II
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