Hi Antony, On Sunday, 7 June 2026 at 7:37 AM, Antony Kurniawan Soemardi <[email protected]> wrote:
> On 6/1/2026 3:12 PM, Sam Day via B4 Relay wrote: > > ** Resending because I found new ways to dislike Proton Mail (it failed > > the series midway due to "spamming". Sigh.). ** > > > > This patch series introduces support for ARMv7 Qualcomm SoCs, starting > > with MSM8960/MSM8930/MSM8227. > > > > An overview of the changes: > > * serial_msm reintroduces the previous packed RX/TX software mode > > operation, as this is compatible with all UARTDM versions (1.4 and > > older). It's added alongside the newer single-char mode for 1.4. > > * A timer driver is introduced for KPSS. I don't know if *all* ARMv7 > > qcom SoCs lack generic ARM CP15 debug timer support, but at least > > MSM8960/MSM8930 do. > > * mach-snapdragon board code is shuffled around a bit to build cleanly > > on ARM64. > > * prev_bl_data support is extended to ARM32 (which uses r2 for passing > > FDT/ATAGS pointers, rather than r0) > > * qcom_parse_memory is revised to support arm32 memory nodes (which are > > 1-cell rather than 2-cell). > > * Basic ATAGS support is introduced, so that the memory info can be > > used from previous bootloaders that do not understand FDTs at all. > > * PS_HOLD sysreset and pinctrl-qcom needed some minor tweaks to handle > > some nuances that challenge the current assumptions. > > * A pinctrl driver is introduced for MSM8960. > > * Initial MSM8960 GCC infra is introduced. > > > > I tested this series on: > > * Nokia Lumia 520 (msm8227). No working buttons yet as these are > > exposed as GPIO-over-PMIC-over-SSBI (drivers will be proposed at a > > later date). > > * Samsung Galaxy Express GT-I8730 (msm8930). Volume rockers + home > > button are working via the new pinctrl-msm8960 driver. Power > > button not working yet (needs PMIC driver infra). > > * I have no msm8960/apq8064 devices, looking for folks to test those. > > > > To confirm there was no regressions with ARM64 and/or newer devices, I > > also tested on: > > * db410c (msm8916) > > * google-sargo (sdm670) > > > > Signed-off-by: Sam Day <[email protected]> > > --- > > Sam Day (16): > > serial: msm: UARTDM <1.4 support > > timer: Qualcomm KPSS timer support > > arm: save_prev_bl_data: ARM32 support > > mach-snapdragon: qcom_parse_memory 32-bit support > > mach-snapdragon: gate ARM64 features > > mach-snapdragon: introduce ARCH_SNAPDRAGON_ARM32 > > configs: introduce qcom_armv7_defconfig > > board: qualcomm: add MSM8960 debug UART config > > sysreset: qcom-pshold: offset support > > pinctrl: qcom: configurable GPIO offset/stride > > pinctrl: qcom: introduce MSM8960 driver > > mach-snapdragon: parse incoming ARM32 ATAGS > > clk: qcom: MSM8960 GCC driver > > clk: qcom: arch-agnostic pointer fmtstrings > > serial: msm: wait for TX empty before reinit > > button: remap phone HOMEPAGE button > > > > arch/arm/Kconfig | 11 +- > > arch/arm/lib/save_prev_bl_data.c | 49 ++++--- > > arch/arm/mach-snapdragon/Kconfig | 6 + > > arch/arm/mach-snapdragon/board.c | 188 > > ++++++++++++++++++-------- > > arch/arm/mach-snapdragon/include/mach/gpio.h | 12 +- > > board/qualcomm/debug-msm8960.config | 5 + > > configs/qcom_armv7_defconfig | 61 +++++++++ > > drivers/button/Kconfig | 2 +- > > drivers/button/button-uclass.c | 1 + > > drivers/clk/qcom/Kconfig | 8 ++ > > drivers/clk/qcom/Makefile | 1 + > > drivers/clk/qcom/clock-msm8960.c | 189 > > +++++++++++++++++++++++++++ > > drivers/clk/qcom/clock-qcom.c | 8 +- > > drivers/gpio/msm_gpio.c | 2 +- > > drivers/pinctrl/qcom/Kconfig | 9 ++ > > drivers/pinctrl/qcom/Makefile | 1 + > > drivers/pinctrl/qcom/pinctrl-msm8960.c | 135 +++++++++++++++++++ > > drivers/pinctrl/qcom/pinctrl-qcom.c | 2 +- > > drivers/serial/serial_msm.c | 142 +++++++++++++++++--- > > drivers/sysreset/sysreset_qcom-pshold.c | 9 +- > > drivers/timer/Kconfig | 7 + > > drivers/timer/Makefile | 1 + > > drivers/timer/qcom-kpss-timer.c | 98 ++++++++++++++ > > 23 files changed, 843 insertions(+), 104 deletions(-) > > --- > > base-commit: 8d3ba3753bdb5068884196ff696cc48177bfdda5 > > change-id: 20260530-qcom-armv7-1486308a835c > > > > Best regards, > > This looks great! I have a Sony Xperia SP (MSM8960T) and would like to > test it. Awesome, I look forward to seeing more qcom armv7 devices booting U-Boot! > > Before I dive in, I need to clarify the build setup: > > - For cross-compilation, should I use `CROSS_COMPILE=arm-none-eabi-`? Yes, that's right. > - Which defconfig is appropriate for the Xperia SP? > - Is the config generated with `make qcom_armv7_defconfig > qcom-phone.config`? Yep. You might consider tacking debug-msm8960.config to the end as well, to enable debug UART. > > Would appreciate a quick pointer on the build workflow. I think you've just about nailed it already :) If you have any further questions don't hesitate to DM me on Matrix: @human:samcday.com Warm Regards, -Sam > > -- > Thanks, > Antony K. S. >
