Re: [RFC PATCH] Enable AXP288 PMIC support on x86_64 for battery charging and monitoring support on Bay and Cherry Trail tablets and laptops Enable various drivers for peripherals found on Bay and Cherry Trail tablets

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On 2017-06-28 17:09, Hans de Goede wrote:
> Hi,
> 
> On 28-06-17 16:48, Stefan Assmann wrote:
> > On 2017-06-16 18:13, Hans de Goede wrote:
> > > ---
> > >   baseconfig/x86/x86_64/CONFIG_AK8975                |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_AXP20X_ADC            |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_AXP20X_POWER          |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_AXP288_ADC            |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_AXP288_CHARGER        |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_AXP288_FUEL_GAUGE     |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_BATTERY_MAX17042      |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_CHARGER_BQ24190       |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_EXTCON                |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_EXTCON_AXP288         |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_EXTCON_GPIO           |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_EXTCON_INTEL_INT3496  |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_EXTCON_MAX3355        |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_EXTCON_RT8973A        |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_EXTCON_SM5502         |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_EXTCON_USB_GPIO       |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_GPIO_AXP209           |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_I2C_DESIGNWARE_CORE   |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_I2C_DESIGNWARE_PCI    |  1 +
> > >   .../x86/x86_64/CONFIG_I2C_DESIGNWARE_PLATFORM      |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_INPUT_AXP20X_PEK      |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_INV_MPU6050_I2C       |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_INV_MPU6050_IIO       |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_MFD_AXP20X            |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_MFD_AXP20X_I2C        |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_SILEAD_DMI            |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_USB_XHCI_PLATFORM     |  1 +
> > >   baseconfig/x86/x86_64/CONFIG_XPOWER_PMIC_OPREGION  |  1 +
> > >   kernel-x86_64-debug.config                         | 39 ++++++++++++++--------
> > >   kernel-x86_64.config                               | 39 ++++++++++++++--------
> > >   kernel.spec                                        |  5 +++
> > 
> > Hi Hans,
> > 
> > thanks for making this change. I've been hoping for this for quite a
> > while now. I see you've only enabled the AXP288 on x86_64 which means
> > all baytrail devices, which are 32bit are left out.
> > Could you apply those changes to i686 as well?
> 
> Bay Trail devices are 64 bit devices with a 32 bit UEFI BIOS,
> Fedora does not support 32 bit UEFI booting (AFAIK), but work is
> under way for F27 to support booting 64 bits Fedora on a 32 bit
> UEFI BIOS using a 32 bit grub2-efi which loads a 64 bits kernel.

Any pointers on how to rebuild grub in the correct way?

> I'm already using this setup, what I do is I boot from an
> USB SSD with a 64 bit install on which I've copied a manually
> build 32 bit EFI capable grub, and then manually format the
> Bay Trail device and just copy the entire filesystem over
> manually. For F27 the plan is to have the 32 bit grub build
> included on the 64 bit media, as well as have anaconda automatically
> deal with all this.

Nice, thanks for letting me know. I'm currently running on 32bit.

  Stefan
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